COMPRESSED GAS DELIVERY METHOD

A method of continuously conveying compressed gas to a plurality of vehicles, where the plurality of vehicles includes at least a first vehicle having a higher tank pressure and a second vehicle having a lower tank pressure that are simultaneously seeking compressed gas from the same delivery conduit. The method includes compressing gas using at least one compressor, conveying the compressed gas from the at least one compressor to a backpressure apparatus, conveying a non-bypass fill portion through the backpressure apparatus, diverting a bypass fill portion through a bypass conduit to at least one distributor, conveying the bypass fill portion through the at least one distributor to at least one of the one or more delivery conduits and subsequently to at least the first vehicle, and conveying the non-bypass fill portion through at least one of the one or more the delivery conduits to at least the second vehicle. 1. A method of continuously conveying compressed gas to a plurality of vehicles , wherein the plurality of vehicles includes at least a first vehicle having a higher tank pressure and a second vehicle having a lower tank pressure that are simultaneously seeking compressed gas from the same fluidly connected delivery conduit , the method comprising:compressing gas using at least one compressor;conveying the compressed gas from the at least one compressor to a backpressure apparatus, wherein the backpressure apparatus is fluidly connected to the at least one compressor;conveying a non-bypass fill portion of the compressed gas through the backpressure apparatus as either a direct fill portion, a storage fill portion, or a combination thereof;diverting a bypass fill portion of the compressed gas through a bypass conduit to at least one distributor, wherein the bypass conduit is fluidly connected between the at least one compressor and the backpressure apparatus;conveying the bypass fill portion of the compressed gas through the at least one distributor to at ...

Boil-off gas supply device

A boil-off gas supply device is provided with: a storage tank configured to store a liquefied gas; a first compression mechanism configured to suck in the boil-off gas of the liquefied gas stored in the storage tank and compress the sucked boil-off gas; a second compression mechanism configured to compress the boil-off gas after being compressed by the first compression mechanism; a discharge path in which the boil-off gas discharged from the second compression mechanism flows; a first drive source configured to drive the first compression mechanism; and a second drive source that is different from the first drive source and configured to drive the second compression mechanism.

METHOD AND APPARATUS FOR GENERATING, STORING AND USING HYDROGEN

Hydrogen is produced by electrolysis of water using electricity generated from a renewable energy source such as wind and/or solar radiation, compressed in a multistage compression system and consumed in at least one downstream process. Supply of hydrogen to the downstream process(es) fluctuates with demand and/or the availability of the renewable energy source. In order to accommodate such fluctuations, excess hydrogen is stored during periods when production of hydrogen exceeds that required by the downstream process(es) so that, during periods when demand exceeds production, hydrogen is removed from storage and, after suitable pressure reduction, fed to the downstream process(es) via a stage of the multistage compression system. 1. A method for supplying hydrogen gas for consumption in at least one downstream process , said method comprising:producing hydrogen gas by electrolysis of water;compressing said hydrogen gas in a multistage compression system to produce compressed hydrogen gas; andfeeding said compressed hydrogen gas to said downstream process(es);wherein at least some electricity for said electrolysis is generated from at least one renewable energy source;wherein during periods when more hydrogen gas is produced by said electrolysis than is required for said downstream process(es), said method comprises feeding excess compressed hydrogen gas to storage, optionally after further compression; andwherein during periods when more hydrogen gas is required for said downstream process(es) than is produced by said electrolysis, said method comprises withdrawing compressed hydrogen gas from storage and, after suitable pressure reduction, feeding said reduced pressure hydrogen gas to a stage of said multistage compression system.2. A method as claimed in claim 1 , wherein said compressed hydrogen gas is stored at a pressure up to a maximum of 100 bar claim 1 , or up to a maximum of 50 bar claim 1 , or up to a maximum of a feed pressure of said downstream process ...

Gas supply device, hydrogen station, and gas supply method

A gas supply device includes a first compressor that compresses hydrogen gas, an accumulator disposed downstream of the first compressor and supplying the hydrogen gas to a dispenser that fills the hydrogen gas in a vehicle, and a gas flow passage that connects the first compressor, the accumulator, and the dispenser, and a control device. The gas flow passage includes a lead-in line for leading the hydrogen gas into the accumulator, a lead-out line for leading out the hydrogen gas from the accumulator, a lead-in side valve, and a lead-out side valve. The control device is capable of simultaneously bringing the lead-in side valve and the lead-out side valve into an open state.

Boil-off gas re-liquefying device and method for ship

Disclosed is a re-liquefying device using a boil-off gas as a cooling fluid so as to re-liquefy the boil-off gas generated from a liquefied gas storage tank provided in a ship. A boil-off gas re-liquefying device for a ship comprises: a multi-stage compression unit for compressing boil-off gas generated from a liquefied gas storage tank; a heat exchanger in which the boil-off gas generated from the storage tank and the boil-off gas compressed exchange heat; a vaporizer for heat exchanging the boil-off gas cooled by the heat exchanger and a separate liquefied gas supplied to a fuel demand source of a ship, and thus cooling the boil-off gas; an intermediate cooler for cooling the boil-off gas that has been cooled by the heat exchanger; and an expansion means for branching a part of the boil-off gas, which is supplied to the intermediate cooler, and expanding the same.

METHOD FOR PROVIDING PRESSURIZED GAS TO CONSUMERS AND CORRESPONDING COMPRESSOR ARRANGEMENT AT VARIABLE SUCTION CONDITIONS

The invention relates to a method for providing pressurized gas from a source of liquefied gas to a consumer (), wherein vaporized gas is supplied from the source of liquefied gas () through a main input line () to a compressor arrangement () for pressurizing the vaporized gas, the compressor arrangement () comprising a plurality of compressor modules (), each compressor module being able to operate independently from any other compressor module of the compressor arrangement (), one or more of the compressor modules () of the compressor arrangement () can be bypassed, and wherein gas is conducted through only a part or all of the compressor modules depending on at least one of pressure level, temperature level, mass flow and composition of the gas to be provided to the consumer (). 118123003003531513005513008. A method for providing pressurized gas from a source of liquefied gas () to a consumer () , wherein vaporized gas is supplied from the source of liquefied gas () through a main input line () to a compressor arrangement () for pressurizing the vaporized gas , the compressor arrangement () comprising a plurality of compressor modules ( , , , ) , each compressor module being able to operate independently from any other compressor module of the compressor arrangement () , one or more of the compressor modules ( , ) of the compressor arrangement () can be bypassed , and wherein gas is conducted through only a part or all of the compressor modules depending on at least one of pressure level , temperature level , mass flow and composition of the gas to be provided to the consumer ().253251. The method of claim 1 , wherein at least a part of the compressor modules is connected in series and wherein one or more of the bypassed compressor modules ( claim 1 , claim 1 , ) are deactivated.33152413152315241. The method of claim 1 , wherein a first compressor module () and a second compressor module () are arranged in parallel and connected via a crossover-line () which can ...

BOIL-OFF GAS RE-LIQUEFYING SYSTEM

A system for reliquefying a boil off gas generated in a storage tank includes a first compressor compressing a partial amount (hereinafter, referred to as ‘fluid a’) of boil off gas discharged from the storage tank, a second compressor compressing another partial amount (hereinafter, referred to as ‘fluid b’) of boil off gas discharged from the storage tank, a second expanding unit expanding a partial amount (hereinafter, referred to as ‘fluid c’) of a flow formed as the fluid a and the fluid b join, a heat-exchanger cooling another partial amount (hereinafter, referred to as ‘fluid d’) of the flow formed as the fluid a and the fluid b join, and a first expanding unit expanding the fluid d cooled by the heat-exchanger, wherein the heat-exchanger heat-exchanges the fluid d with the fluid c as a coolant expanded by the second expanding unit to cool the fluid d. 1. A method of operating a ship having a main compressor , a redundancy compressor and a tank storing liquefied gas and boil-off gas generated from the liquefied gas , wherein the redundancy compressor is installed in parallel with the main compressor and configured to operate together with the main compressor or when the main compressor fails , the method comprising:supplying, to either or both of the main compressor and the redundancy compressor, boil-off gas discharged from the tank via a boil-off gas supply line;compressing, by either or both of the main compressor and the redundancy compressor, at least part of the boil-off gas from the boil-off gas supply line to provide a compressed boil-off gas at a first pressure level,splitting the compressed boil-off gas into at least three flows comprising a first flow, a second flow and a third flow of compressed boil-off gas;supplying the first flow of compressed boil-off gas at the first pressure level to a propulsion engine of the ship for consumption;processing the second flow of compressed boil-off gas for liquefying at least part of the second flow to provide ...

DIAGNOSIS METHOD USING LASER INDUCED BREAKDOWN SPECTROSCOPY AND DIAGNOSIS DEVICE PERFORMING THE SAME

Disclosed herein are a diagnostic method using laser induced breakdown spectrum analysis and a diagnostic device for performing the same. The diagnostic device may include a laser projection module projecting a pulsed laser to a specimen, a light receiving module receiving a light generated by a plasma ablation induced at the specimen by the pulsed laser, a spectral member receiving and dividing the light generated by the plasma ablation; a sensor array including a plurality of sensors arranged to receive the divided light for each wavelength, and a controller obtaining spectrum data of the light generated by the plasma ablation from a specific exposure period, and determining whether or not the specimen is diseased based on the spectrum data of the light generated by the plasma ablation. 1. A diagnostic device comprising:a laser projection module projecting a pulsed laser to a specimen;a light receiving module receiving a light generated by a plasma ablation induced at the specimen by the pulsed laser;a spectral member receiving and dividing the light generated by the plasma ablation;a sensor array including a plurality of sensors arranged to receive the divided light for each wavelength, alternately and continuously repeating an exposure period which accumulates electric energy according to received light and a reset period which initialize the electric energy accumulated during the exposure period and generating spectrum data related to a light received in the exposure period, wherein a time interval of the exposure period is set in order to receive a light having a continuous spectrum characteristic and a light having a discontinuous spectrum characteristic during an exposure period which includes a projecting time point of the pulsed laser; anda controller obtaining spectrum data of the light generated by the plasma ablation from a specific exposure period, where the light generated by the plasma ablation is received, among the repeated plurality of exposure ...

Hydrogen station

Provided is a hydrogen station that supplies hydrogen to an external hydrogen tank, the hydrogen station including: a reciprocating compressor that is driven by a driver of which revolution is controllable; a cooling device that is capable of cooling hydrogen supplied from the reciprocating compressor to the hydrogen tank; a temperature sensor that detects an internal temperature of the hydrogen tank or a temperature of the hydrogen supplied to the hydrogen tank; and a control unit that controls the revolution of the driver based on the temperature detected by the temperature sensor.

BOIL-OFF GAS RE-LIQUEFYING DEVICE AND METHOD FOR SHIP

Disclosed is a re-liquefying device using a boil-off gas as a cooling fluid so as to re-liquefy the boil-off gas generated from a liquefied gas storage tank provided in a ship. A boil-off gas re-liquefying device for a ship comprises: a multi-stage compression unit for compressing boil-off gas generated from a liquefied gas storage tank; a heat exchanger in which the boil-off gas generated from the storage tank and the boil-off gas compressed exchange heat; a vaporizer for heat exchanging the boil-off gas cooled by the heat exchanger and a separate liquefied gas supplied to a fuel demand source of a ship, and thus cooling the boil-off gas; an intermediate cooler for cooling the boil-off gas that has been cooled by the heat exchanger; and an expansion means for branching a part of the boil-off gas, which is supplied to the intermediate cooler, and expanding the same. 115-. (canceled)16. A BOG reliquefaction apparatus for ships for transportation of liquefied gas , the BOG reliquefaction apparatus comprising:a multistage compressor comprising a plurality of compression stage parts and compressing BOG discharged from a storage tank storing liquefied gas;a heat exchange unit reliquefying the BOG compressed by the multistage compressor by cooling the BOG compressed by the multistage compressor through heat exchange; anda third expansion unit decompressing the BOG reliquefied by the heat exchange unit, a heat exchanger cooling the BOG compressed by the multistage compressor through heat exchange between the BOG compressed by the multistage compressor and the BOG supplied from the storage tank to the multistage compressor and not subjected to compression; and;', 'an intermediate cooler expanding some of the compressed BOG while cooling the remaining compressed BOG through heat exchange between the expanded BOG and the remaining compressed BOG., 'wherein the heat exchange unit comprises17. The BOG reliquefaction apparatus for ships according to claim 16 , wherein the heat ...

SHIP

A ship comprises: a liquefied gas storage tank; a multi-stage compressor for compressing a boil-off gas discharged from a storage tank and comprising a plurality of compression cylinders; a second heat exchanger for heat exchanging a fluid, which has been compressed by the multi-stage compressor, and thus cooling same; a first decompressing device for expanding a flow (“flow a”) partially branched from the flow (“flow a”) that has been cooled by the second heat exchanger; a third heat exchanger for heat exchanging, by “flow a” which has been expanded by the first decompressing device as a refrigerant, the remaining flow (“flow a”) of “flow a” after excluding “flow a” that has been branched and thus cooling same; and a second decompressing device for expanding “flow a” which has been cooled by the third heat exchanger. 1. A ship having a liquefied gas storage tank , the ship comprising:a multistage compressor comprising a plurality of compression cylinders to compress boil-off gas discharged from the storage tank;a second heat exchanger cooling the fluid compressed by the multistage compressor by subjecting the fluid to heat exchange;{'b': '1', 'a first decompressor expanding one (hereinafter referred to as “flow a”) of two flows branching off of the fluid cooled by the second heat exchanger (hereinafter referred to as “flow a”);'}{'b': 2', '2', '1, 'a third heat exchanger cooling the other flow (hereinafter referred to as “flow a”) of the two flows by subjecting the flow a to heat exchange with the flow a expanded by the first decompressor to be used as a refrigerant; and'}{'b': '2', 'a second decompressor expanding the flow a cooled by the third heat exchanger,'}{'b': '2', 'wherein the second heat exchanger cools the fluid compressed by the multistage compressor using the flow a expanded by the second decompressor as a refrigerant.'}2. The ship according to claim 1 , wherein the boil-off gas compressed by some of the plurality of compression cylinders is compressed ...

Ship

A ship comprises: a tank; a multistage compressor for compressing a boil-off gas discharged from a storage tank and comprising a plurality of compression cylinders; a first heat exchanger for heat exchanging a fluid, which has been compressed by the multistage compressor, with the boil-off gas discharged from the storage tank and thus cooling the same; a first decompressing device for expanding a flow (“flow a1”) partially branched from the flow (“flow a”) that has been cooled by the first heat exchanger; a third heat exchanger for heat exchanging, by “flow a1” which has been expanded by the first decompressing device as a refrigerant, the remaining flow (“flow a2”) of “flow a” after excluding “flow a1” that has been branched and thus cooling the same; and a second decompressing device for expanding “flow a2” which has been cooled by the third heat exchanger.

REFORMING SYSTEM CONNECTED WITH A RAW MATERIAL GAS VAPORIZATION SYSTEM

A raw material gas vaporization system includes: a storage tank for storing raw material gas and a transfer line for transferring the raw material gas; a reforming system including a reformer for producing hydrogen by reacting the raw material gas with water, a burner for applying heat to the reformer, and Pressure Swing Adsorption (PSA) for separating the hydrogen in the mixed gas generated from the reformer; a COseparation device for receiving off-gas in which the hydrogen has been removed in the mixed gas from the PSA to remove by liquefying COby exchanging heat with the transfer line of the raw material gas vaporization system; and a gas supply line for supplying the remaining gas in which the COhas been removed in the COseparation device to a burner as fuel. 1. A reforming system connected with a raw material gas vaporization system , the reforming system comprising:a raw material gas vaporization system comprising a storage tank for storing the raw material gas and a transfer line for transferring the raw material gas;a reforming system comprising a reformer for producing hydrogen by reacting the raw material gas with water, a burner for applying heat to the reformer, and a Pressure Swing Adsorption (PSA) for separating the hydrogen in the mixed gas generated from the reformer;{'sub': 2', '2', '2, 'a COseparation device for removing COfrom received off-gas which the hydrogen has been removed in the mixed gas from the PSA by liquefying carbon dioxide (CO) by exchanging heat with the transfer line of the raw material gas vaporization system; and'}{'sub': 2', '2, 'a gas supply line for supplying the remaining gas which the COhas been removed in the COseparation device to a burner as fuel.'}2. The reforming system according to claim 1 ,wherein the reforming system further comprises a Boil Off Gas (BOG) supply line to which BOG generated by vaporizing the raw material gas stored in the storage tank moves, andwherein the reformer of the reforming system produces ...

METHOD AND STATION FOR FILLING GAS TANKS

Method for filling a tank with pressurized hydrogen via a filling station comprising at least one buffer container and a fluid circuit connected to said at least one buffer container, the circuit of the filling station comprising a first end connected to at least one source of hydrogen gas, the circuit comprising a second end fitted with a transfer pipe intended to be connected removably to the tank that is to be filled, the method involving a step of cooling the hydrogen supplied to the tank by transferring negative calories between a cold source and the hydrogen, the method being characterized in that it comprises a step of purifying the hydrogen supplied by the source in a purification member before transferring it to the at least one buffer container, and in that it comprises a step of transferring negative calories from said cold source to the hydrogen before and/or during the purification step. 112-. (canceled)13. A method of filling a tank with pressurized hydrogen via a filling station comprising at least one buffer container and a fluid circuit connected to said at least one buffer container , the circuit of the filling station comprising a first end connected to at least one source of gaseous hydrogen for carrying out the filling of the at least one buffer container with gas originating from the source , the circuit comprising a second end equipped with a transfer pipe intended to be removably connected to the tank to be filled with hydrogen originating from the at least one buffer container , the method comprising the steps of:cooling the hydrogen supplied to the tank by transfer of negative calories between a cold source and the hydrogen;purifying the hydrogen supplied by the source in a purification component before it is transferred to the at least one buffer container; transferring negative calories from said cold source to the hydrogen before and/or during the purification step, wherein the purification step uses at least one purification component ...

STATION AND METHOD FOR FILLING GAS TANKS

Method for filling a tank with pressurized hydrogen via a filling station comprising at least one buffer container and a fluid circuit connected to said at least one buffer container, the circuit of the filling station comprising a first end connected to at least one source of hydrogen gas, the circuit comprising a second end fitted with a transfer pipe intended to be connected removably to the tank that is to be filled, the method involving a step of purifying the hydrogen supplied by the source in a purification member before transferring same to the at least one buffer container, the circuit of the filling station further comprising at least one compression member for compressing the pressurized gas in order to fill the at least one buffer container, the method being characterized in that it comprises a step of transferring heat energy between, on the one hand, the compressed gas of the outlet from the compression member and, on the other hand, the purification member. 111-. (canceled)12. A method of filling a tank with pressurized hydrogen via a filling station comprising at least one buffer container and a fluid circuit connected to said at least one buffer container , the circuit of the filling station comprising a first end connected to at least one source of gaseous hydrogen for carrying out the filling of the at least one buffer container with gas originating from the source , the circuit comprising a second end equipped with a transfer pipe intended to be removably connected to the tank to be filled , in order to fill the latter with hydrogen originating from the at least one buffer container , the method comprising the steps of:purifying the hydrogen supplied by the source in a purification component before it is transferred to the at least one buffer container, the circuit of the filling station additionally comprising at least one compression component for compressing pressurized gas in order to fill the at least one buffer container;transferring ...

MOBILE LIQUID HYDROGEN RECHARGER

In one aspect of the invention, the system may include a liquid hydrogen storage tank that is placed on a mobile carriage. From the liquid hydrogen storage tank, a submerged pump feeds low-pressure liquid hydrogen to a second pump that is external to the tank. This second pump then increases the pressure of the liquid hydrogen and feeds the liquid hydrogen to a vaporizer system. The vaporizer system includes coolant, a coolant tank, a load bank, a third pump, and a diffusion bonded compact heat exchanger (DCHE) to transfer heat from the coolant to the liquid hydrogen. To further help heat the coolant, heat exchangers may be included to cool systems of the vehicle and recover waste engine heat. After the vaporizer converts the liquid hydrogen to its gaseous form, the gaseous hydrogen is discharged to an external vehicle or tank. 1. A mobile hydrogen recharge system comprising:a vehicle-mounted tank for storing liquid hydrogen, the tank having an interior volume;a first pump contained within the tank;a second pump external to the tank;a first fluid conduit fluidically connected between the first pump and the second pump;a second fluid conduit fluidically connected between the second pump and an outlet;a vaporizer fluidically connected along the second conduit downstream of the second pump external to the tank, the vaporizer having a heat transfer fluid circuit, wherein the vaporizer is operable to raise a temperature of liquid hydrogen received downstream of the second pump from a temperature that is below an evaporation point of the liquid hydrogen to a temperature above the evaporation point of the liquid hydrogen, thereby converting the liquid hydrogen to a hydrogen gas; anda discharge valve fluidically connected between the second pump and the outlet downstream of the vaporizer along the second conduit.2. The mobile hydrogen recharge system of claim 1 , wherein the first pump comprises a submergible pump positioned within the tank.3. The mobile hydrogen recharge ...

BOIL-OFF GAS RELIQUEFACTION SYSTEM AND METHOD FOR SHIP AND METHOD FOR STARTING BOIL-OFF GAS RELIQUEFACTION SYSTEM FOR SHIP

Disclosed is a boil-off gas reliquefaction system for vessels. The BOG reliquefaction system for vessels includes: a multistage compressor compressing BOG; a heat exchanger cooling the BOG compressed by the multistage compressor through heat exchange using BOG not compressed by the multistage compressor as a refrigerant; a pressure reducer disposed downstream of the heat exchanger and decompressing a fluid cooled by the heat exchanger; and a bypass line through which BOG is supplied to the multistage compressor after bypassing the heat exchanger. 1. A BOG reliquefaction system for ships comprising:a multistage compressor compressing BOG;a heat exchanger cooling the BOG compressed by the multistage compressor through heat exchange using BOG not compressed by the multistage compressor as a refrigerant;a pressure reducer disposed downstream of the heat exchanger and decompressing a fluid cooled by the heat exchanger; anda bypass line through which BOG is supplied to the multistage compressor after bypassing the heat exchanger,wherein the BOG compressed and increased in temperature by the multistage compressor is supplied to a hot fluid channel of the heat exchanger.2. The BOG reliquefaction system for ships according to claim 1 , wherein the BOG is supplied to the multistage compressor after bypassing the heat exchanger along the bypass line when the heat exchanger cannot be used and/or when there is no need for reliquefaction of the BOG.3. (canceled)4. The BOG reliquefaction system for ships according to claim 1 , wherein the BOG discharged from the storage tank is used as a refrigerant in the heat exchanger claim 1 , and some or all of the BOG is supplied to the multistage compressor after bypassing the heat exchanger along the bypass line to satisfy an intake pressure condition of the multistage compressor claim 1 , when a pressure of the BOG supplied to the multistage compressor does not satisfy the intake pressure condition of the multistage compressor and/or when ...

System and Method for Loading, Storing and Offloading Natural Gas from Ships

A system for loading and storing CNG onboard of a ship and for unloading it therefrom comprises CNG loading facilities for loading CNG on board of the ship, CNG storage facilities for storing the loaded CNG on board of the ship at nominal storage pressure and temperature, and CNG unloading facilities for unloading CNG to a delivery point. The delivery point requires the unloaded CNG to be at delivery pressure and temperature generally different from the storage pressure and temperature. Thus, the CNG unloading facilities comprise a CNG heater for heating the to-be-unloaded CNG prior to unloading, and a lamination valve for allowing the to-be-unloaded CNG to expand from its storage pressure to the delivery pressure. A compressor may also be provided to compress CNG that would not otherwise be spontaneously delivered.

SHIP

A ship including a storage tank for storing a liquefied gas includes: a boil-off gas (BOG) heat exchanger installed on a downstream of a storage tank and heat-exchanges a compressed BOG (“a first fluid”) by a BOG discharged from the storage tank as a refrigerant, to cool the BOG; a compressor installed on a downstream of the BOG heat exchanger and compresses a part of the BOG discharged from the storage tank; an extra compressor installed on a downstream of the BOG heat exchanger and in parallel with the compressor and compresses the other part of the BOG discharged from the storage tank; a refrigerant heat exchanger which additionally cools the first fluid cooled by the BOG heat exchanger; and a refrigerant decompressing device which expands a second fluid sent to the refrigerant heat exchanger, and then sends the second fluid back to the refrigerant heat exchanger. 1. A ship including a storage tank storing liquefied gas , comprising:a boil-off gas heat exchanger which is installed on a downstream of a storage tank and heat-exchanges and cools a compressed boil-off gas (hereafter referred to as ‘a first fluid’) by a boil-off gas discharged from the storage tank as a refrigerant;a compressor which is installed on a downstream of the boil-off gas heat exchanger and compresses a part of the boil-off gas discharged from the storage tank;an extra compressor which is installed on the downstream of the boil-off gas heat exchanger in parallel with the compressor and compresses the other part of the boil-off gas discharged from the storage tank;a refrigerant heat exchanger which additionally cools the first fluid which is cooled by the boil-off gas heat exchanger;a refrigerant decompressing device which expands a second fluid, which is sent to the refrigerant heat exchanger (a fluid sent to the refrigerant heat exchanger hereafter being referred to as ‘a second fluid’) and cooled by the refrigerant heat exchanger, and then sending same back to the refrigerant heat ...

SHIP

A ship includes: a boil-off gas heat exchanger installed on a downstream of a storage tank and heat-exchanges a compressed boil-off gas (“a first fluid”) by a boil-off gas discharged from the storage tank as a refrigerant, to cool the boil-off gas; a compressor installed on a downstream of the boil-off gas heat exchanger and compresses a part of the boil-off gas discharged from the storage tank; an extra compressor installed on a downstream of the boil-off gas heat exchanger and in parallel with the compressor and compresses the other part of the boil-off gas discharged from the storage tank; a refrigerant heat exchanger which additionally cools the first fluid which is cooled by the boil-off gas heat exchanger; and a refrigerant decompressing device which expands a second fluid, which is sent to the refrigerant heat exchanger, and then sends the second fluid back to the refrigerant heat exchanger. 1. A ship including a storage tank storing liquefied gas , comprising:a boil-off gas heat exchanger which is installed on a downstream of a storage tank and heat-exchanges a compressed boil-off gas (hereafter referred to as “a first fluid”) by a boil-off gas discharged from the storage tank as a refrigerant, to cool the boil-off gas;a compressor which is installed on a downstream of the boil-off gas heat exchanger and compresses a part of the boil-off gas discharged from the storage tank;an extra compressor which is installed on a downstream of the boil-off gas heat exchanger and in parallel with the compressor and compresses the other part of the boil-off gas discharged from the storage tank;a boost compressor which is installed on, an upstream of the boil-off gas heat exchanger and compresses the first fluid supplied to the boil-off gas heat exchanger;a refrigerant heat exchanger which additionally cools the first fluid which is cooled by the boil-off gas heat exchanger;a refrigerant decompressing device which expands a second fluid, which is sent to the refrigerant ...

Ship

A ship including a liquefied gas storage tank includes: first and second compressors which compresse a boil-off gas discharged from a storage tank; a boost compressor which compresses one part of the boil-off gas that is compressed by at least any one of the first compressor and/or the second compressor; a first heat exchanger which heat exchanges the boil-off gas compressed by the boost compressor and the boil-off gas discharged from the storage tank; a refrigerant decompressing device which expands the other part of the boil-off gas that is compressed by at least any one of the first compressor and/or the second compressor; a second heat exchanger which cools, by a fluid expanded by the refrigerant decompressing device as a refrigerant; and an additional compressor which is compresses the refrigerant that passes through the refrigerant decompressing device and second heat exchanger.

Ship

A ship includes: a boil-off gas heat exchanger which is installed on a downstream of a storage tank and heat-exchanges a compressed boil-off gas (“a first fluid”) by a boil-off gas discharged from the storage tank as a refrigerant to cool the boil-off gas; a compressor installed on a downstream of the boil-off gas heat exchanger and compresses a part of the boil-off gas from the storage tank; an extra compressor which is installed on a downstream of the boil-off gas heat exchanger and in parallel with the compressor and compresses the other part of the boil-off gas from the storage tank; a refrigerant heat exchanger which additionally cools the first fluid; and a refrigerant decompressing device which expands a second fluid, which is sent to the refrigerant heat exchanger, and then sends the second fluid back to the refrigerant heat exchanger.

SHIP

A ship includes: a boil-off gas heat exchanger which heat-exchanges a compressed boil-off gas (“a first fluid”) by means of a boil-off gas discharged from the storage tank as a refrigerant; a compressor installed on the downstream of the boil-off gas heat exchanger and compressing a part of the boil-off gas discharged from the storage tank; first and second extra compressors provided in parallel with the compressor on the downstream of the boil-off gas heat exchanger and compressing the other part of the boil-off gas discharged from the storage tank; a refrigerant heat exchanger which additionally cools the first fluid cooled by means of the boil-off gas heat exchanger; a refrigerant decompressing device which expands a second fluid, which has been sent to the refrigerant heat exchanger and cooled by means of the refrigerant heat exchanger, and then sending the expanded second fluid back to the refrigerant heat exchanger. 1. A ship including a storage tank for storing a liquefied gas , comprising:a boil-off gas heat exchanger which is installed on a downstream of a storage tank and heat-exchanges a compressed boil-off gas (hereafter referred to as “a first fluid”) by means of a boil-off gas discharged from the storage tank as a refrigerant, thereby cooling the boil-off gas;a compressor which is installed on the downstream of the boil-off gas heat exchanger and compresses a part of the boil-off gas discharged from the storage tank;a first extra compressor which is provided in parallel with the compressor on the downstream of the boil-off gas heat exchanger and compresses the other part of the boil-off gas discharged from the storage tank;a second extra compressor which is provided in parallel with the compressor and the first extra compressor on the downstream of the boil-off gas heat exchanger and compresses the other part of the boil-off gas discharged from the storage tank;a refrigerant heat exchanger which additionally cools the first fluid cooled by means of the ...

EXPANSION TURBINE AND COMPRESSOR-TYPE HIGH-PRESSURE HYDROGEN FILLING SYSTEM AND CONTROL METHOD FOR SAME

An expansion turbine/compressor type high-pressure hydrogen gas filling system is simple in configuration, low in site work cost, small in the burden of maintenance work, and capable of reducing the operating cost including cost of power consumption, and it is not necessary to separately provide a way to take out the energy produced in the expansion equipment and effectively use outside such as generator, and that can be applied for temperature lowering system technology such as pre-cooler function in the final filling portion of the hydrogen station, the expansion turbine portion has with a process to incorporate the expansion turbine/compressor in the expansion turbine portion in the filling system to do the enthalpy lowering of the hydrogen gas using the expansion turbine, when the hydrogen gas accumulated at high pressure is pressurized and filled into the tank. 1. The Expansion/compressor high-pressure hydrogen filling system wherein the expansion turbine portion is equipped with a process to incorporate the expansion turbine/compressor and a cooler is provided in the entrance portion on the expansion turbine side of the expansion turbine/compressor in the filling system to do the enthalpy lowering of the hydrogen gas using the expansion turbine when the hydrogen gas accumulated at high pressure is pressurized and filled in the tank.2. Expansion turbine/compressor type high-pressure hydrogen described in claim 1 , wherein the expansion turbine/compressor is provided with an impeller to do the expansion action on one side of the rotor shaft of the rotor and impeller on the other side to do the compression action to consume the rotating energy obtained by the expansion.3. Expansion turbine/compressor type high-pressure hydrogen filling system described in wherein the expansion turbine/compressor is equipped with bearings of dynamic gas bearing system using the hydrogen gas supplied.4. Expansion turbine/compressor type high-pressure hydrogen filling system ...

Method And Apparatus For Supplying A Gaseous Fuel To An Internal Combustion Engine

A method for supplying gaseous fuel from a tender car to an internal combustion engine on a locomotive comprising storing the gaseous fuel at a cryogenic temperature in a cryogenic storage tank on the tender car; pumping the gaseous fuel to a first pressure from the cryogenic storage tank; vaporizing the gaseous fuel at the first pressure; and conveying the vaporized gaseous fuel to the internal combustion engine; whereby a pressure of the vaporized gaseous fuel is within a range between 310 bar and 575 bar. 1. A method of supplying gaseous fuel from a tender car to an internal combustion engine on a locomotive comprising:storing said gaseous fuel at a cryogenic temperature in a cryogenic storage tank on said tender car;pumping said gaseous fuel to a first pressure from said cryogenic storage tank;vaporizing said gaseous fuel at said first pressure; andconveying said vaporized gaseous fuel to said internal combustion engine;whereby a pressure of said vaporized gaseous fuel is within a range between 310 bar and 575 bar.2. The method of claim 1 , further comprising accumulating said vaporized gaseous fuel whereby pressure fluctuations of said gaseous fuel due to changing operating conditions of said internal combustion engine are reduced.3. The method of claim 2 , wherein a mass flow rate of said internal combustion engine is within a range of 7 kilograms/hour and 600 kilograms/hour claim 2 , and said accumulation of said vaporized gaseous fuel is within a range of 50 liters and 200 liters.4. The method of claim 1 , further comprising receiving advanced notice of upcoming changes in operating conditions of said internal combustion engine and proactively pumping said gaseous fuel to increase said pressure of said vaporized gaseous fuel.5. The method of claim 1 , further comprising receiving advanced notice of upcoming changes in operating conditions of said internal combustion engine and increasing a rate of pumping said gaseous fuel to increase said pressure of said ...

GAS SUPPLY DEVICE, HYDROGEN STATION, AND GAS SUPPLY METHOD

A gas supply device includes a first compressor that compresses hydrogen gas, an accumulator disposed downstream of the first compressor and supplying the hydrogen gas to a dispenser that fills the hydrogen gas in a vehicle, and a gas flow passage that connects the first compressor, the accumulator, and the dispenser, and a control device. The gas flow passage includes a lead-in line for leading the hydrogen gas into the accumulator, a lead-out line for leading out the hydrogen gas from the accumulator, a lead-in side valve, and a lead-out side valve. The control device is capable of simultaneously bringing the lead-in side valve and the lead-out side valve into an open state. 1. A gas supply method by a gas supply device , the gas supply device including:a compressor that compresses gas;an accumulator disposed downstream of the compressor and supplying the gas to filling equipment that fills the gas in a tank mounting device; anda gas flow passage that connects the compressor, the accumulator, and the filling equipment,the gas supply method comprising a step of leading the gas from the compressor into the accumulator and, at the same time, leading out the gas from the accumulator to the filling equipment.2. The gas supply method according to claim 1 , whereinthe gas flow passage includes a pressure detecting section disposed downstream of the compressor, andwhen the compressor delivers the gas to the gas flow passage, the number of revolutions of the compressor is controlled on the basis of a detection result of the pressure detecting section such that pressure of the gas is maintained at a predetermined pressure.3. The gas supply method according to claim 2 , whereina flow of the gas from the compressor to the accumulator is blocked on the basis of a pressure change between the pressure detecting section and another pressure detecting section provided in the filling equipment, andthe number of revolutions of the compressor is controlled on the basis of a detection ...

Compressed Natural Gas Storage and Dispensing System

A compressed natural gas storage and dispensing system having descending pressure bulk storage banks in fluid communication with a supply source for CNG and dispensing storage banks in fluid communication with the descending pressure bulk storage bank, both banks being in fluid communication with fuel dispensers, wherein the delivery pressure of the CNG during, simultaneous refueling of CNG powered vehicles is equalized. 1. A compressed natural gas (CNG) storage and dispensing system comprising:a descending pressure bulk storage bank in fluid communication with a natural gas supply source;a dispensing storage bank in fluid communication with said descending pressure bulk storage bank;at least one dispenser adapted to provide CNG to a CNG-powered device, each said at least one dispenser in fluid communication with said descending pressure bulk storage bank Viand with said dispensing storage bank; anda re-compressor in fluid communication with said descending pressure bulk storage bank and said dispensing storage bank, whereby CNG is delivered from said decreasing pressure bulk storage bank to said dispensing storage bank as needed to refill said dispensing storage bank;wherein said at least one dispenser comprises two inlets, and further wherein said descending pressure bulk storage bank is in fluid communication with said at least one dispenser through one of said inlets and wherein said dispensing storage bank is in fluid communication with said at least one dispenser through the other of said inlets.2. The system of claim 1 , wherein said natural gas supply source comprises a natural gas pipeline claim 1 , and said system further comprises a primary compressor in fluid communication with said natural gas pipeline and said descending pressure bulk storage bank.3. The system of claim 1 , wherein said natural gas supply source comprises transportable LNG supply tanks.4. The system of claim 1 , wherein said natural gas supply source comprises transportable CNG supply ...

APPARATUS AND METHOD FOR RELIQUEFACTION OF BOIL-OFF GAS OF VESSEL

An apparatus for reliquefaction of boil-off gas for a vessel, comprises: a compression unit for compressing the boil-off gas discharged from the storage tank; and a heat exchanger for heat-exchanging the compressed boil-off gas compressed by the compression unit with the boil-off gas discharged from the storage tank; a first expansion means for dividing the boil-off gas passing through the heat exchanger into at least two flows including a first flow and a second flow, and expanding the divided first flow; a first intercooler for cooling the second flow remaining after the division of the first flow by using the first flow expanded by the expansion means as a refrigerant; and a receiver for receiving a second flow having passed through the first intercooler, in which a downstream pressure of the compression unit is controlled by a flow discharged from the receiver. 1. An apparatus for reliquefaction of boil-off gas (BOG) generated in a liquefied gas storage tank provided to a vessel , comprising:a compressor compressing BOG discharged from the storage tank;a heat exchanger performing heat exchange of the BOG compressed by the compressor with the BOG discharged from the storage tank, the BOG having passed through the heat exchanger being divided into at least two flows comprising a first flow and a second flow;a first expansion unit expanding the first flow;a first intermediate cooler cooling the second flow remaining after division into the at least two flows using the first flow expanded by the first expansion unit as a refrigerant; anda receiver receiving the second flow having passed through the first intermediate cooler,wherein pressure downstream of the compressor is controlled by the receiver.2. The apparatus according to claim 1 , further comprising:a pressure control line regulating a pressure of the receiver by discharging a fluid from the receiver,wherein the fluid discharged through the pressure control line is returned to the liquefied gas storage tank ...

COMPRESSOR SYSTEM

A compressor system includes a first compressor having a first variable diffuser having a diffuser area; a second compressor having a second variable diffuser having a diffuser area; a third compressor configured to compress fluid discharged by the second compressor; a fourth compressor configured to compress fluid discharged by the third compressor; a fifth compressor configured to compress fluid discharged by the fourth compressor; a first channel configured to connect an outlet of the second compressor to an inlet of the third compressor; a first valve provided to the first channel; a second channel configured to connect the outlet of the second compressor to the inlet of the third compressor; a second valve provided to the second channel; a first intercooler; a second intercooler and a controller configured to control the first valve, the second valve, the first variable diffuser, and the second variable diffuser. 1. A compressor system comprising:a first compressor comprising a first variable diffuser having a diffuser area which varies in size based on an external signal, and configured to compress boil-off gas;a second compressor comprising a second variable diffuser having a diffuser area which varies in size based on an external signal and configured to compress fluid discharged by the first compressor;a third compressor configured to compress fluid discharged by the second compressor;a fourth compressor configured to compress fluid discharged by the third compressor;a fifth compressor configured to compress fluid discharged by the fourth compressor;a first channel configured to connect an outlet of the second compressor to an inlet of the third compressor;a first valve provided to the first channel and configured to open or close the first channel based on an external signal;a second channel configured to connect the outlet of the second compressor to the inlet of the third compressor;a second valve provided to the second channel and configured to open or ...

Total recycling system of capturing, conversion and utilization of flue gas from factory, power plant and refinery

A total recycling system of capture, conversion and utilization of flue gas from factory, power plant and refinery. A combined decontamination and dust removal unit removes dust and oxides; a capture subsystem captures CO2; a water unit recovers water; a hydrogen unit decomposes water into hydrogen and oxygen, and the oxygen is fed into a water gas unit to support combustion and extract hydrogen; a conversion subsystem enables a catalytic reaction between CO2 and hydrogen to convert into methanol and diol; an utilization subsystem makes a supercritical CO2 nanocellulose slurry, then to be blended with other material particles and extruded to form a supercritical CO2 nanocellulose foam; an energy subsystem is configured with solar energy, wind energy, and supplements energy by means of residual heat and hydrogen power generation; the system achieve carbon dioxide emission's reduction, conversion and utilization, thoroughly improve air pollution and green house effects.

INTEGRATED TUBE-TRAILER AND STATIONARY GROUND STORAGE SYSTEM AND METHOD FOR ENHANCED PRESSURE CONSOLIDATION OPERATIONS FOR REFUELING OF GASEOUS FUELS

An enhanced operating method and an integrated tube-trailers and stationary ground storage system are provided for implementing enhanced pressure consolidation operations for refueling gaseous fuels. The integrated tube-trailers and stationary ground storage system includes gaseous fuel supply tube-trailers and stationary ground storage including at least one or more stationary pressure vessels. A compressor can be supplied by both the stationary ground storage and the tube-trailers. The stationary ground storage can provide higher pressure to the compressor than the tube-trailers, enabling enhanced compressor throughput during refueling operation, and enhanced utilization of tube-trailers payload. 1. An integrated tube-trailers and stationary ground storage system for implementing enhanced pressure consolidation operations for refueling gaseous fuels comprising:a gaseous fuel refueling station includes gaseous fuel supply pressure vessels of tube-trailers and stationary ground storage including at least one or more stationary pressure vessels;a compressor;a separate control unit respectively coupled to the tube-trailers and the stationary ground storage of said pressure vessels with each of the control units coupled to said compressor; andsaid stationary ground storage enabling substantially higher pressure than said gaseous fuel supply pressure vessels of tube-trailers, enabling enhanced compressor throughput during refueling operation.2. The system as recited in wherein said stationary ground storage enabling substantially higher pressure than said gaseous fuel supply pressure vessels of tube-trailers claim 1 , enabling significantly improved station utilization.3. The system as recited in wherein said stationary ground storage enabling substantially higher pressure than said gaseous fuel supply pressure vessels of tube-trailers claim 1 , enabling effectively and efficiently using one said compressor together with reducing the refueling costs.4. The system as ...

DISTRIBUTED HYDROGEN REFUELING CASCADE METHOD AND SYSTEM

The present disclosure is directed to a compressed fuel dispensing station having a compressor configured to compress a fuel source, a plurality of fuel dispensing units, at least one low pressure compressed fuel reservoir fluidly connected to the fuel compressor and the plurality of fuel dispensing units, and a plurality of high pressure compressed fuel reservoirs, wherein each high pressure compressed fuel reservoir is fluidly connected to the fuel compressor and at least one fuel dispensing unit. 1. A method of distributing compressed fuel from a dispensing station , comprising the steps of:compressing a fuel source;distributing the compressed fuel to at least one low pressure compressed fuel reservoir, at least one medium pressure compressed fuel reservoir, and a plurality of high pressure compressed fuel reservoirs; andsupplying a compressed fuel at low pressure, then at medium pressure, and then at high pressure to one of a plurality of fuel dispensing units;wherein the at least one low pressure compressed fuel reservoir and the at least one medium pressure compressed fuel reservoirs are fluidly configured to supply compressed fuel to the plurality of fuel dispensing units; andwherein each of the plurality of fuel dispensing units is fluidly configured to receive compressed fuel from one of the plurality of high pressure compressed fuel reservoirs, which is dedicated to that individual fuel dispensing unit.2. The method of distributing compressed fuel from a dispensing station of claim 1 , further comprising:scavenging the compressed fuel from the at least one low pressure compressed fuel reservoirs and/or the at least one medium pressure compressed fuel reservoir;compressing the compressed fuel using a second compressor; anddischarging the compressed fuel to at least one compressed fuel reservoirs of higher pressure.3. The method of distributing compressed fuel from a dispensing station of claim 2 , wherein the second compressor is configured to scavenge ...

Thermoelectric power generating module, and thermoelectric power generating device, anti-freezing vaporizer, and vaporized fuel gas liquefaction process device including same

Provided are a thermoelectric power generation module, a thermoelectric power generation apparatus including the same, an anti-icing vaporization device including the same, and an apparatus for a vaporized fuel gas liquefaction process including the same. The thermoelectric power generation module includes: a pipe through which a fluid flows; and a thermoelectric power generator configured to surround the pipe and to produce power due to a temperature difference between the fluid and outside air.

Mobile gaseous and liquid hydrogen refueling apparatus

Disclosed is a mobile gaseous and liquid hydrogen refueling apparatus including a main storage module configured to receive liquid hydrogen from a tank lorry and to generate first gaseous hydrogen from the liquid hydrogen, a liquid pumping and transportation module configured to receive the liquid hydrogen from the main storage module, to generate second gaseous hydrogen from the liquid hydrogen while pumping the liquid hydrogen, and to deliver the second gaseous hydrogen to the main storage module, and a gas compression and storage module configured to receive at least one of the first gaseous hydrogen or the second gaseous hydrogen from the main storage module, to compress the at least one gaseous hydrogen, and to store the compressed gaseous hydrogen.

Disposable pumping apparatus based on flexible vessels in pressurized containers

An apparatus is provided for intended use in pumping a fluid under sterile conditions. In one embodiment, a first rigid container is internally pressurized to pump fluid through a first flexible vessel within the rigid container. In another embodiment, first and second containers are provided, each for receiving flexible vessels that create independent pumping chambers upon the selective or periodic internal pressurization of the containers. Related aspects and methods are also provided.

Device and method for filling reservoirs.

Dispositif et procédé de remplissage de réservoirs de gaz sous pression comprenant un circuit (8) de transfert de fluide muni d’une extrémité amont destinée à être raccordée à une source (2) de gaz et au moins deux extrémité aval (6, 16, 26) parallèles destinées à être raccordées à des réservoirs (7) distincts à remplir, le circuit (8) de transfert comprenant un organe (9) de régulation de la température du gaz transféré de la source (2) vers les extrémités aval, l’organe (9) de régulation de la température du gaz étant disposé dans le circuit (8) de transfert en amont des moins deux extrémités aval (6, 16, 26), c’est à dire que l’organe (9) de régulation de la température du gaz est commun aux au moins deux extrémités aval (6, 16, 26), caractérisé en ce que les au moins deux extrémités aval (6, 16, 26) du circuit comprennent chacune un organe (15) respectif de contrôle du débit et/ou de la pression du gaz transféré configuré pour contrôler de façon indépendante le débit et/ou la pression dans chacune des extrémités aval (6, 16, 26). Figure de l’abrégé : Fig. 1 Device and method for filling pressurized gas reservoirs comprising a fluid transfer circuit (8) provided with an upstream end intended to be connected to a source (2) of gas and at least two downstream ends (6, 16, 26) parallel intended to be connected to separate tanks (7) to be filled, the transfer circuit (8) comprising a member (9) for regulating the temperature of the gas transferred from the source (2) to the downstream ends, the member (9) for regulating the temperature of the gas being arranged in the transfer circuit (8) upstream of the least two downstream ends (6, 16, 26), that is to say that the member (9) of regulation of the temperature of the gas is common to the at least two downstream ends (6, 16, 26), characterized in that the at least two downstream ends (6, 16, 26) of the circuit each comprise a member (15) respective to transfer gas flow and/or pressure control configured to ...

Utilization of lng used for fuel to liquefy lpg boil off

The present invention relates to a method and a system for liquefying LPG boil off gas (BOG), the system comprising a LNG fuel supply system, wherein the LNG fuel system comprises at least one LNG fuel tank 23, a LNG fuel line 5 and a second LNG fuel line 13; and a LPG cargo system, wherein the LPG cargo system comprises at least one LPG cargo tank 20, a BOG line 1, at least one reliquefaction unit 100 and a condensate line 3; wherein the system further comprises: at least one vaporizer 15, 22 provided on the LNG fuel line 5 between the LNG fuel tank 23 and the second LNG fuel line 13, wherein the at least one vaporizer 15, 22 is in thermal exchange with the LPG cargo system.

Ship

A ship comprises: a tank; a multistage compressor for compressing a boil-off gas discharged from a storage tank and comprising a plurality of compression cylinders; a first heat exchanger for heat exchanging a fluid, which has been compressed by the multistage compressor, with the boil-off gas discharged from the storage tank and thus cooling the same; a first decompressing device for expanding a flow (“flow a 1 ”) partially branched from the flow (“flow a”) that has been cooled by the first heat exchanger; a third heat exchanger for heat exchanging, by “flow a 1 ” which has been expanded by the first decompressing device as a refrigerant, the remaining flow (“flow a 2 ”) of “flow a” after excluding “flow a 1 ” that has been branched and thus cooling the same; and a second decompressing device for expanding “flow a 2 ” which has been cooled by the third heat exchanger.

Means for maintaining the substitutability of lng

Process for extracting ethane and heavier hydrocarbons from LNG

A process for the extraction and recovery of ethane and heavier hydrocarbons (C2+) from LNG. The process covered by this patent maximizes the utilization of the beneficial cryogenic thermal properties of the LNG to extract and recover C2+ form the LNG using a unique arrangement of heat exchange equipment, a cryogenic fractionation column and processing parameters that essentially eliminates (or greatly reduces) the need for gas compression equipment minimizing capital cost, fuel consumption and electrical power requirements. This invention may be used for one or more of the following purposes: to condition LNG so that send-out gas delivered from an LNG receiving and regasification terminal meets commercial natural gas quality specifications; to condition LNG to make Lean LNG that meets fuel quality specifications and standards required by LNG powered vehicles and other LNG fueled equipment; to condition LNG to make Lean LNG so that it can be used to make CNG meeting specifications and standards for commercial CNG fuel; to recover ethane, propane and/or other hydrocarbons heavier then methane from LNG for revenue enhancement, profit or other commercial reasons.

Lpg 증발 가스를 액화시키기 위하여 연료로 사용되는 lng의 활용

본 발명은 LPG 증발 가스(BOG)를 액화시키기 위한 방법 및 시스템에 관한 것으로서, 상기 시스템은 LNG 연료 공급 시스템을 포함하며, 상기 LNG 연료 시스템은 적어도 하나의 LNG 연료 탱크(23), LNG 연료 라인(5) 및 제2 LNG 연료 라인(13); 및 LPG 화물 시스템을 포함하며, 상기 LPG 화물 시스템은 적어도 하나의 LPG 화물 탱크(20), 증발 가스(BOG) 라인(1), 적어도 하나의 재액화 유닛(100) 및 응축물 라인(3); 상기 시스템은 상기 LNG 연료 탱크(23) 및 제2 LNG 연료 라인(13) 사이에서 LNG 연료 라인(5) 상에 제공되는 적어도 하나의 증발기(15, 22)를 더욱 포함하며, 상기 적어도 하나의 증발기(15, 22)는 상기 LPG 화물 시스템과 열교환된다.

BOG Treatment System

증발가스 처리 시스템이 개시된다. 본 발명의 증발가스 처리 시스템은, 압축기와 중간 냉각기가 교대로 마련되어, LNG가 저장된 선박의 저장탱크로부터 발생하는 BOG(Boil Off Gas)를 공급받아 압축하는 다단압축기; 상기 다단압축기에서 압축된 압축가스를, 상기 다단압축기로 상류에서 상기 다단압축기로 공급될 미압축된 BOG와 열교환으로 냉각시키고 감압하여 액화시키는 재액화부; 및 상기 다단압축기 및 재액화부의 상류에 마련되어 상기 저장탱크로부터 발생하는 BOG를 공급받아 상기 저장탱크로부터 공급되는 LNG를 분사하여 냉각하고 상기 재액화부로 공급하는 인라인 믹서;를 포함하는 것을 특징으로 한다. An evaporative gas treatment system is disclosed. The evaporative gas treatment system of the present invention includes a multi-stage compressor in which a compressor and an intercooler are alternately provided to supply and compress BOG (Boil-off Gas) generated from a storage tank of a ship in which LNG is stored; A re-culling unit for cooling the compressed gas compressed in the multi-stage compressor by heat exchange with uncompressed BOG to be supplied from the upstream to the multi-stage compressor, and reducing the pressure to liquefy; And an inline mixer provided upstream of the multi-stage compressor and the re-culling unit, which receives BOG generated from the storage tank and injects LNG supplied from the storage tank, and supplies the cooled LNG to the re-culling unit.

Ship

FIELD: vessels and other watercrafts.SUBSTANCE: invention relates to the field of shipbuilding, in particular, to a ship including a system which repeatedly liquefies the stripping gas formed in the storage tank. Vessel comprises multi-stage compressor for compression of stripping gas discharged from storage tank, containing multiple compression cylinders; a first heat exchanger for performing heat exchange of fluid medium, compressed by multi-stage compressor, with stripping gas discharged from storage tank and, consequently, its cooling; first decompression device for flow expansion (hereinafter referred to as flow a1) partially branched from flow (hereinafter referred to as flow a) cooled by first heat exchanger; third heat exchanger for performing heat exchange using flow a1, expanded by first decompression device, as flow coolant (hereinafter referred to as flow a2), remaining from flow a after elimination of branched flow a1, and, consequently, its cooling; and second decompression device for expansion of flow a2 cooled by third heat exchanger.EFFECT: possibility of more efficient repeated liquefaction of stripping gas.7 cl, 1 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 719 540 C1 (51) МПК B63B 25/16 (2006.01) F17C 9/02 (2006.01) F17C 6/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B63B 25/16 (2020.01); F17C 9/02 (2020.01); F17C 6/00 (2020.01) (21)(22) Заявка: 2018137656, 21.10.2016 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): ДЭУ ШИПБИЛДИНГ ЭНД МАРИН ИНДЖИНИРИНГ КО., ЛТД. (KR) Дата регистрации: 21.04.2020 (56) Список документов, цитированных в отчете о поиске: KR 101519541 B1, 13.05.2015. KR 101496577 B1, 26.02.2015. KR 101459962 B1, 07.11.2014. KR 101334002 B1, 27.11.2013. KR 101557571 B1, 05.10.2015. 31.03.2016 KR 10-2016-0039516 (45) Опубликовано: 21.04.2020 Бюл. № 12 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 31.10.2018 (86) Заявка PCT: 2 7 ...

증발가스 처리 시스템

증발가스 처리 시스템이 개시된다. 본 발명의 증발가스 처리 시스템은, 압축기와 중간 냉각기가 교대로 마련되어, LNG가 저장된 선박의 저장탱크로부터 발생하는 BOG(Boil Off Gas)를 공급받아 압축하는 다단압축기; 상기 다단압축기에서 압축된 압축가스를, 상기 다단압축기로 상류에서 상기 다단압축기로 공급될 미압축된 BOG와 열교환으로 냉각시키고 감압하여 액화시키는 재액화부; 및 상기 다단압축기 및 재액화부의 상류에 마련되어 상기 저장탱크로부터 발생하는 BOG를 공급받아 상기 저장탱크로부터 공급되는 LNG를 분사하여 냉각하고 상기 재액화부로 공급하는 인라인 믹서;를 포함하는 것을 특징으로 한다.

Vessel

Disclosed is a vessel embedded with a liquefied gas storage tank. According to the present invention, the vessel comprises: a multistage compressor compressing evaporated gas discharged from the storage tank and including multiple compression cylinders; a second heat exchanger performing heat exchange of a fluid compressed by the multistage compressor to cool the fluid; a first decompression device to expand a flow (hereinafter, a1 flow) partially branched from the fluid (hereinafter, a flow) cooled by the second heat exchanger; a third heat exchanger performing heat exchange of the remaining fluid (hereinafter, a2 flow) excluding the a1 flow branched from the flow by using the a1 flow expanded by the first decompression device as a coolant, to cool the remaining fluid (hereinafter, a2 flow); and a second decompression device to expand the a2 flow cooled by the third heat exchanger. The second heat exchanger cools the fluid compressed by the multi-stage compressor by using the a2 flow expanded by the second decompression device as a coolant.

선박

액화가스 저장탱크가 탑재된 선박이 개시된다. 상기 선박은, 상기 저장탱크로부터 배출된 증발가스를 압축시키며, 다수개의 압축실린더를 포함하는 다단압축기; 상기 다단압축기에 의해 압축된 유체를 상기 저장탱크로부터 배출되는 증발가스와 열교환시켜 냉각시키는 제1 열교환기; 상기 제1 열교환기에 의해 냉각된 유체(이하, 'a 흐름'이라고 함.)가 일부 분기된 흐름(이하, 'a1 흐름'이라고 함.)을 팽창시키는 제1 감압장치; 상기 제1 감압장치에 의해 팽창된 상기 'a1 흐름'을 냉매로, 상기 'a 흐름' 중 분기된 'a1 흐름'을 제외한 나머지 유체(이하, 'a2 흐름'이라고 함.)를 열교환시켜 냉각시키는 제3 열교환기; 및 상기 제3 열교환기에 의해 냉각된 'a2 흐름'을 팽창시키는 제2 감압장치;를 포함한다.

Vessel Including Engines

엔진을 포함하는 선박이 개시된다. 상기 엔진을 포함하는 선박은, 저장탱크로부터 배출되는 증발가스를 열교환시키는 제1 자가열교환기; 상기 저장탱크로부터 배출된 후 상기 제1 자가열교환기를 통과한 증발가스를 다단계로 압축시키는 다단압축기; 상기 다단압축기에 의해 압축된 증발가스를 예냉시키는 제2 자가열교환기; 상기 제2 자가열교환기 및 상기 제1 자가열교환기에 의해 냉각된 유체의 '일부'를 팽창시키는 제1 감압장치; 및 상기 제2 자가열교환기 및 상기 제1 자가열교환기에 의해 냉각된 유체의 '다른 일부'를 팽창시키는 제2 감압장치;를 포함하고, 상기 제1 자가열교환기는, 상기 저장탱크로부터 배출되는 증발가스를 냉매로 하여, 상기 다단압축기에 의해 압축된 후 상기 제2 자가열교환기를 통과한 증발가스를 냉각시키고, 상기 제2 자가열교환기는, 상기 제1 감압장치에 의해 팽창된 유체를 냉매로 하여, 상기 다단압축기에 의해 압축된 증발가스를 냉각시킨다. A ship including an engine is disclosed. The ship including the engine includes: a first self-heat exchanger for heat-exchanging the evaporated gas discharged from the storage tank; A multi-stage compressor for multi-stage compressing the evaporated gas having passed through the first self-heat exchanger after being discharged from the storage tank; A second self-heat exchanger for precooling the evaporated gas compressed by the multi-stage compressor; A first decompression device for expanding a part of the fluid cooled by the second self heat exchanger and the first self heat exchanger; And a second decompression device for expanding the 'other part' of the fluid cooled by the second self-heat exchanger and the first self-heat exchanger, wherein the first self- And the second self-heat exchanger uses the fluid inflated by the first decompressor as a refrigerant, and the second self-refrigerant is used as the refrigerant, and the second self-heat exchanger cools the evaporated gas that has passed through the heat exchanger after being compressed by the multi- Thereby cooling the evaporated gas compressed by the multi-stage compressor.

Vessel

Disclosed is a vessel equipped with a liquefied gas storage tank. The vessel comprises: a multi-stage compressor compressing evaporation gas discharged from the storage tank and having a plurality of compressible cylinders; a first heat exchanger which enables the heat exchange of fluid compressed by the multi-stage compressor with the evaporation gas discharged from the storage tank to cool the fluid; a first decompression apparatus in which the fluid (hereinafter, it is referred to as a flow) cooled by the first heat exchanger expands a partially branched flow (hereinafter, it is referred to as a1 flow); a third heat exchanger which enables the heat exchange of a remaining fluid (hereafter, it is referred to as a2 flow) of the a flow except for the branched a1 flow with the a1 flow expanded by the first decompression apparatus as refrigerant to cool the fluid; and a second decompression apparatus in which the a2 flow cooled by the third heat exchanger is expanded. The purpose of the present invention is to provide the vessel with a system in which a conventional partial reliquefaction system is improved, thereby being able to efficiently re-liquefy the evaporation gas.

Method and device for gas-fuel supply in internal combustion engine

FIELD: engines and pumps. SUBSTANCE: apparatus and a method for the supply of gaseous fuel from the tender in 20 of the internal combustion engine 30 of the locomotive, including fuel storage at ultra-low temperature cryogenic tank 50 to 20 tender; cryogenic pumping fuel from the tank 50 to the first pressure by means of pumps 60 and 70; transfer fuel to a gaseous state under pressure through the first heat exchanger 90 at 20 specified tender; and fuel supply translated into a gaseous state, of the tender 20 in the internal combustion engine 30; wherein the gaseous fuel vapour pressure in the range 310-575 bar. EFFECT: improved method feeder. 42 cl, 10 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 627 323 C2 (51) МПК B61C 5/00 (2006.01) B60K 15/00 (2006.01) B61C 17/02 (2006.01) F02M 21/02 (2006.01) F17C 7/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2014128293, 21.12.2012 (24) Дата начала отсчета срока действия патента: 21.12.2012 Дата регистрации: (72) Автор(ы): МЕЛАНСОН Брэдли Е. (CA), МАККИННОН Мелисса С.А. (CA), БЛОМЕРУС Пол М. (CA) Приоритет(ы): (30) Конвенционный приоритет: (56) Список документов, цитированных в отчете о поиске: RU 2427724 C1, 27.08.2011. RU 22.12.2011 CA 2,762,697 2189915 C1, 27.09.2002. US 7377267 B2, 27.05.2008. CA 2523732 C, 18.09.2007. (45) Опубликовано: 07.08.2017 Бюл. № 22 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 22.07.2014 (86) Заявка PCT: CA 2012/050931 (21.12.2012) (87) Публикация заявки PCT: 2 6 2 7 3 2 3 (43) Дата публикации заявки: 10.02.2016 Бюл. № 4 R U (73) Патентообладатель(и): ВЕСТПОРТ ПАУЭР ИНК. (CA) 07.08.2017 2 6 2 7 3 2 3 R U Адрес для переписки: 119019, Москва, Гоголевский бульвар, 11, этаж 3, Гоулингз Интернэшнл Инк., Лыу Т.Н. (54) СПОСОБ И УСТРОЙСТВО ПОДАЧИ ГАЗООБРАЗНОГО ТОПЛИВА В ДВИГАТЕЛЬ ВНУТРЕННЕГО СГОРАНИЯ (57) Реферат: Изобретение может быть использовано в перевод топлива в газообразное состояние под системах ...

船只

一种具有液化气体储罐的船只。所述船只包括：多级压缩机，压缩从储罐排放的汽化气体且包括多个压缩缸；第一热交换器，使已由多级压缩机压缩的流体与从储存罐排放的汽化气体进行热交换且因此对流体进行冷却；第一减压装置，使从已由第一热交换器冷却的流(以下称为“流a”)部分地分流出的流(以下称为“流a1”)膨胀；第三热交换器，通过使已由第一减压装置膨胀的“流a1”作为制冷剂来使“流a”中在排除已被分流的“流a1”之后的剩余流(以下称为“流a2”)进行热交换且因此对流a2进行冷却；以及第二减压装置，使已由第三热交换器冷却的“流a2”膨胀。

선박용 증발가스 재액화 장치 및 방법

선박에 설치된 액화가스 저장탱크에서 발생하는 증발가스를 재액화하기 위하여 증발가스를 냉각 유체로 사용하는 재액화 장치가 개시된다. 상기 선박용 증발가스 재액화 장치는, 상기 저장탱크로부터 배출되는 증발가스를 다단계로 압축시키는 다수개의 압축기; 상기 다수개의 압축기에 의해 다단계로 압축된 증발가스와 상기 저장탱크로부터 배출되는 증발가스를 열교환시키는 열교환기; 상기 다수개의 압축기에 의해 압축된 후 상기 열교환기를 통과한 증발가스의 일부를 팽창시키는 제 1 팽창수단; 상기 다수개의 압축기에 의해 압축된 후 열교환기를 통과한 증발가스의 다른 일부의 온도를 낮추는 상기 제 1 중간냉각기; 상기 제 1 중간냉각기를 통과한 증발가스의 일부를 팽창시키는 제 2 팽창수단; 상기 제 1 중간냉각기를 통과한 증발가스의 다른 일부의 온도를 낮추는 제 2 중간냉각기; 및 상기 제 2 중간냉각기를 통과한 증발가스를 팽창시키는 제 3 팽창수단;을 포함하고, 상기 제 1 팽창수단에 의해 팽창된 증발가스는 상기 제 1 중간냉각기에서 냉매로 사용되고, 상기 제 2 팽창수단에 의해 팽창된 증발가스는 상기 제 2 중간냉각기에서 냉매로 사용된다.

선박용 증발가스 재액화 장치 및 방법

선박에 설치된 액화천연가스 저장탱크에서 발생하는 증발가스를 재액화시키는 재액화 장치가 개시된다. 상기 선박용 증발가스 재액화 장치는, 상기 저장탱크로부터 배출되는 증발가스를 다단계로 압축시키는 압축부; 상기 압축부에 의해 압축된 증발가스를, 상기 저장탱크로부터 배출되는 증발가스 및 액화천연가스와 열교환시키는 자가열교환기; 상기 압축부에 의해 압축된 후 상기 자가열교환기를 통과한 증발가스의 압력을 낮춰주는 감압장치; 상기 저장탱크 내부의 액화천연가스를 압축한 후 기화시키는 기화부; 및 상기 저장탱크 내부의 액화천연가스를 상기 기화부로 보낼지 상기 자가열교환기로 보낼지 조절하는 모드 선택 밸브;를 포함한다.

Boil-Off Gas Treatment System and Method for Ship

Disclosed are a boil-off gas treatment system for a ship and a method thereof. The boil-off gas treatment system for a ship comprises: a boil-off gas supply line provided in a ship and connected from a storage tank, in which liquefied gas is stored, to a main engine in the ship; a compressor provided on the boil-off gas supply line to receive the boil-off gas generated from the liquefied gas and compress the same with the fuel supply pressure of the main engine; a reliquefaction line which is branched from the boil-off gas supply line downstream of the compressor to connect to the storage tank and cools and reliquefies compressed gas that is not supplied as fuel for the main engine; a precooler provided on the reliquefaction line to receive the compressed gas and cool the same through heat exchange with a refrigerant; a heat exchanger which is provided on the reliquefaction line and receives the compressed gas cooled by the precooler and cools the same through heat exchange with the uncompressed boil-off gas to be supplied to the compressor; a refrigerant circulation line through which the refrigerant for cooling the compressed gas in the precooler circulates; and a refrigerant heat exchanger which is provided on the refrigerant circulation line and cools the refrigerant through heat exchange with the uncompressed boil-off gas that is to be supplied to the compressor after heat-exchanged by the heat exchanger. Therefore, the boil-off gas treatment system can cool the boil-off gas more effectively, thereby increasing reliquefaction performance.

Ship

FIELD: vessels and other watercrafts.SUBSTANCE: invention relates to the field of shipbuilding, in particular, to a ship including a system which repeatedly liquefies the stripping gas formed in the storage tank. Vessel comprises multi-stage compressor for compression of stripping gas discharged from storage tank, containing multiple compression cylinders; a second heat exchanger for performing heat transfer of fluid medium, compressed by multi-stage compressor, and, consequently, its cooling; first decompression device for flow expansion (hereinafter referred to as flow a1) partially branched from flow (hereinafter referred to as flow a) cooled by second heat exchanger; third heat exchanger for performing heat exchange using flow a1 expanded by first decompression device, as flow coolant (hereinafter referred to as flow a2), remaining from flow a after elimination of branched flow a1, and, consequently, its cooling; and second decompression device for expansion of flow a2 cooled by third heat exchanger, wherein the second heat exchanger cools the fluid medium compressed by the multi-stage compressor using the flow a2 expanded by the second decompression device as the coolant.EFFECT: possibility of more efficient repeated liquefaction of stripping gas.7 cl, 1 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 719 607 C1 (51) МПК B63B 25/16 (2006.01) F17C 9/02 (2006.01) F17C 6/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B63B 25/16 (2020.01); F17C 9/02 (2020.01); F17C 6/00 (2020.01) (21)(22) Заявка: 2018137657, 21.10.2016 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): ДЭУ ШИПБИЛДИНГ ЭНД МАРИН ИНДЖИНИРИНГ КО., ЛТД. (KR) Дата регистрации: 21.04.2020 (56) Список документов, цитированных в отчете о поиске: WO 0144735 A1, 21.06.2001. KR 20150033279 A, 01.04.2015. KR 20150039427 A, 10.04.2015. KR 20140075582 A, 19.06.2014. JP 2009204026 A, 10.09.2009. 31.03.2016 KR 10-2016-0039507 (45) ...

Liquefied gas supply system

A self-contained liquefied gas supply system has a tank for storing a liquefied gas, a primary pump for delivering the liquefied gas from the tank, a secondary pump for pressurizing the liquefied gas delivered from the primary pump, a vaporizer for vaporizing the liquefied gas discharged from the secondary pump into a vaporized gas, an expander for actuating the secondary pump with the vaporized gas produced by the vaporizer, and a back-pressure line connected to an outlet of the expander. A bypass pipe is connected between the primary pump and the vaporizer in bypassing relation to the secondary pump for supplying the liquefied gas from the primary pump to the vaporizer. A joint line is connected between the back-pressure line and a substantially atmospheric pressure line, the joint line having a first flow regulating valve for regulating a rate of flow of a gas from the back-pressure line to the substantially atmospheric pressure line. A bypass line is connected between the vaporizer and the back-pressure line in bypassing relation to the expander, the bypass line having a second flow regulating mechanism for regulating a rate of flow of the vaporized gas from the vaporizer to the back-pressure line. For starting the secondary pump, the liquefied gas is delivered from the primary pump through the bypass pipe to the vaporizer, which produces a vaporized gas supplied to the expander.

Ship

FIELD: shipbuilding. SUBSTANCE: invention relates to shipbuilding, particularly, to vessels with gas fuel engines. Proposed vessel comprises tank for storage of liquefied gas, system and method of processing stripping gas. In particular, most or all of the remaining stripping gas can be repeatedly liquefied without using a cooling cycle, and using a separate coolant, thereby increasing cost-effectiveness. It is possible to flexibly control flow rate of coolant flow and supply of heat released during cooling in compliance with output quantity of stripping gas, load on engine depending on working speed of ship. In particular, the heat exchanger of the coolant can use not only the stripping gas compressed by the additional compressor, but also the stripping gas compressed by the compressor, as coolant for increasing flow rate of stripping gas used as coolant in heat exchanger of coolant, even more improving efficiency of repeated liquefaction and quantity of repeatedly liquefied stripping gas. Pressure of stripping gas subject to re-liquefaction process can be increased due to booster compressor, additionally increasing efficiency of repeated liquefaction and quantity of repeatedly liquefied stripping gas. EFFECT: invention makes it possible to increase efficiency of repeated liquefaction and quantity of repeatedly liquefied stripping gas, since the stripping gas is decompressed after the process of additional cooling with the help of a heat exchanger of cooling agent. 19 cl, 10 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 703 370 C2 (51) МПК B63B 25/16 (2006.01) F25J 1/00 (2006.01) F17C 9/02 (2006.01) F17C 6/00 (2006.01) B63H 21/38 (2006.01) F02M 21/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B63B 25/16 (2019.05); F25J 1/00 (2019.05); F17C 9/02 (2019.05); F17C 6/00 (2019.05); B63H 21/38 (2019.05); F02M 21/02 (2019.05) (21)(22) Заявка: 2017145881, 05.04.2016 05.04.2016 Дата регистрации: 16.10.2019 02.06 ...

Vessel Including Storage Tanks

저장탱크를 포함하는 선박이 개시된다. 상기 저장탱크를 포함하는 선박은, 시스템 외부로부터 공급되는 천연가스를 냉매와 열교환시켜 냉각시키는 제 1 열교환기; 상기 제 1 열교환기를 통과하며 냉각된 유체 중 중탄화수소(Heavy Hydrocarbon) 성분을 분리하는 제 1 기액분리기; 상기 제 1 열교환기에서 냉매로서 열교환된 유체를 압축시키거나, 상기 제 1 기액분리기에 의해 중탄화수소가 분리된 유체를 팽창시키는 컴팬더; 상기 컴팬더에 의해 압축된 유체를 냉각시키는 제 1 냉각기; 상기 제 1 기액분리기를 통과한 유체를 분리시키는 증류탑; 상기 제 1 기액분리기로부터 상기 증류탑으로 보내지는 중탄화수소의 유량 및 압력을 조절하는 제 1 밸브; 상기 컴팬더에 의해 압축된 후 상기 제 1 냉각기를 통과한 유체를 압축시키는 제 1 압축기; 상기 제 1 압축기에 의해 압축된 천연가스를 냉각시키는 제 2 냉각기; 상기 제 1 압축기 및 상기 제 2 냉각기를 통과한 천연가스의 일부를 팽창시키는 제 1 팽창기; 상기 제 1 팽창기를 통과한 유체를 추가적으로 팽창시키는 제 2 팽창기; 천연가스를 자가열교환시켜 냉각시키는 제 2 열교환기; 상기 제 2 열교환기를 통과한 유체를 팽창시키는 팽창수단; 상기 팽창수단 후단에 설치되어 액화천연가스와 기체상태의 천연가스를 분리하는 제 2 기액분리기; 상기 제 2 기액분리기에 의해 분리된 천연가스의 유량 및 압력을 조절하는 제 2 밸브; 상기 제 2 기액분리기에 의해 분리되어 상기 저장탱크로 보내지는 액화천연가스의 유량 및 압력을 조절하는 제 3 밸브; 상기 제 2 열교환기에서 냉매로 사용된 유체를 압축시키는 제 3 압축기; 및 상기 제 3 압축기를 통과한 유체를 냉각시키는 제 3 냉각기;를 포함하고, 상기 제 1 열교환기는, 상기 증류탑 상부로부터 배출된 유체를 냉매로 하여 시스템 외부로부터 공급되는 천연가스를 냉각시키고, 상기 제 2 기액분리기에 의해 분리된 후 상기 제 2 열교환기로 보내진 천연가스는, 상기 제 2 열교환기에서 냉매로서 열교환 된 후 연료공급 시스템으로 보내지고, 상기 제 2 열교환기는, 상기 제 1 압축기 및 상기 제 2 냉각기를 통과한 후 분기되어, 상기 제 1 팽창기 및 상기 제 2 팽창기 중 하나 이상에 의해 팽창된 유체; 상기 제 2 기액분리기에 의해 분리된 천연가스; 및 상기 저장탱크로부터 배출되는 증발가스;를 냉매로 하여, 상기 제 1 압축기 및 상기 제 2 냉각기를 통과한 후 분기된 다른 일부의 천연가스를 냉각시킨다. A ship including a storage tank is disclosed. The ship including the storage tank may include: a first heat exchanger for cooling the natural gas supplied from the outside of the system by heat exchange with a refrigerant; a first gas-liquid separator passing through the first heat exchanger and separating a heavy hydrocarbon component from the cooled fluid; a compander for compressing the fluid heat-exchanged as a refrigerant in the first heat exchanger or expanding the fluid from which heavy hydrocarbons are separated by the first gas-liquid separator; a first cooler for cooling the fluid compressed by the compander; a distillation column for separating the fluid that has passed through the first gas-liquid separator; a first valve for controlling ...

BOG Re-liquefaction Apparatus and Method for Vessel

선박에 설치된 액화천연가스 저장탱크에서 발생하는 증발가스를 재액화하기 위하여 증발가스를 냉각 유체로 사용하는 재액화 장치가 개시된다. 상기 선박용 증발가스 재액화 장치는, 상기 저장탱크로부터 배출된 증발가스를 압축시키는 압축기; 상기 저장탱크로부터 배출된 증발가스와 상기 압축기를 통과한 증발가스를 열교환시키는 열교환기; 및 상기 압축기에 의해 압축된 후 상기 열교환기를 통과한 증발가스의 압력을 낮추는 팽창기와 팽창밸브;를 포함한다. Disclosed is a liquefaction device using evaporation gas as a cooling fluid for re-liquefying evaporative gas generated in a liquefied natural gas storage tank installed in a ship. The ship evaporating gas re-liquefying apparatus comprises: a compressor for compressing the evaporated gas discharged from the storage tank; A heat exchanger for exchanging heat between the evaporated gas discharged from the storage tank and the evaporated gas passing through the compressor; And an expansion valve and an expansion valve for reducing the pressure of the evaporated gas that has been compressed by the compressor and then passed through the heat exchanger.

가스 처리 시스템 및 이를 포함하는 선박

본 발명은 가스 처리 시스템 및 이를 포함하는 선박에 관한 것으로서, 가스 처리 시스템은 액화가스 저장탱크의 증발가스를 압축하는 2단의 극저온용 압축기가 병렬로 마련되는 저압 압축부; 상기 극저온용 압축기에서 가압된 증발가스를 가압하여 고압 수요처로 공급하는 4단 이상의 상온용 압축기가 마련되는 고압 압축부; 상기 고압 압축부에서 토출되어 상기 고압 수요처로 전달되는 증발가스 중 일부를 상기 저압 압축부로 유입되는 증발가스와 열교환하는 증발가스 열교환기; 상기 고압 압축부에서 압축된 후 상기 증발가스 열교환기에서 열교환된 증발가스를 감압하는 감압밸브; 및 상기 감압밸브에서 감압된 증발가스를 기액분리하여 액상 증발가스를 상기 액화가스 저장탱크로 전달하는 액화가스 기액분리기를 포함하는 것을 특징으로 한다.

Treatment system of gas

본 발명의 일 실시예에 따른 가스 처리 시스템은, 액화가스 저장탱크에 저장된 액화가스를 1차 가압하는 제1 펌프; 상기 제1 펌프로부터 1차 가압된 액화가스를 공급받아 2차 가압하는 제2 펌프; 상기 제2 펌프로부터 2차 가압된 액화가스를 공급받아 기화시키는 액화가스 기화기; 및 상기 액화가스 저장탱크에 저장된 액화가스를 공급받아 강제 기화시키는 강제 기화기를 포함하고, 상기 제1 펌프는, 상기 액화가스 저장탱크에 저장된 액화가스를 1차 가압하여 상기 제2 펌프 또는 상기 강제기화기로 공급하는 것을 특징으로 한다. A gas processing system according to an embodiment of the present invention includes a first pump for firstly pressurizing liquefied gas stored in a liquefied gas storage tank; A second pump that receives and pressurizes the liquefied gas primarily pressurized from the first pump; A liquefied gas vaporizer for supplying and liquefying secondary pressurized liquefied gas from the second pump; And a forced vaporizer for supplying the liquefied gas stored in the liquefied gas storage tank and forcibly vaporizing the liquefied gas stored in the liquefied gas storage tank, wherein the first pump pressurizes the liquefied gas stored in the liquefied gas storage tank first to the second pump or the forced vaporizer As shown in Fig.

Test Apparatus Of Partial Reliquefaction Process System

부분 재액화 공정 테스트 장치가 개시된다. 본 고안은, 선박 또는 해상 구조물에 마련된 액화가스 저장탱크로부터 발생하여 압축시킨 증발가스를, 압축 이전의 증발가스와 열교환으로 냉각시키는 열교환기와, 상기 열교환기의 하류에 마련되어 압축 및 냉각된 상기 증발가스를 감압하는 팽창수단과, 상기 팽창수단에서 감압된 상기 증발가스를 기액분리하는 기액분리기를 포함하는 부분 재액화 공정장치의 성능과 품질을 테스트할 수 있는 간단하고 경제적인 장치에 관한 것이다. 본 고안 장치는, 열교환기로 연결되어 상기 액화가스 저장탱크에 저장된 액화가스를 압축 및 기화시켜 상기 열교환기로 공급하는 고압가스 공급부; 상기 열교환기로 연결되며, 상기 액화가스 저장탱크에 저장된 액화가스를 기화시켜, 상기 고압가스 공급부로부터 공급되는 압축 및 기화된 가스와 열교환될 가스를 상기 열교환기로 공급하는 저압가스 공급부; 및 상기 부분 재액화 공정장치의 기액분리기 하단으로 연결되어 상기 기액분리기에서 분리된 액상의 액화가스를 회수하는 액화가스 회수부를 포함하는 것을 특징으로 한다. A partial remelting process test apparatus is disclosed. The present invention relates to a heat exchanger for cooling a vaporized gas generated from a liquefied gas storage tank provided in a ship or a marine structure by heat exchange with a vapor before being compressed and a boiler provided downstream of the heat exchanger for compressing and cooling the evaporated gas And a gas-liquid separator for gas-liquid separating the vaporized gas decompressed by the expansion means. The present invention relates to a simple and economical apparatus capable of testing the performance and quality of a partial remelting process apparatus. The apparatus includes a high-pressure gas supply unit connected to a heat exchanger and compressing and vaporizing the liquefied gas stored in the liquefied gas storage tank and supplying the liquefied gas to the heat exchanger; A low pressure gas supply unit connected to the heat exchanger for vaporizing the liquefied gas stored in the liquefied gas storage tank and supplying gas to be heat-exchanged with the compressed and vaporized gas supplied from the high pressure gas supply unit to the heat exchanger; And a liquefied gas recovery unit connected to the lower end of the gas-liquid separator of the partial remelting process apparatus and recovering the liquid liquefied gas separated by the gas-liquid separator.

Ship

FIELD: shipbuilding.SUBSTANCE: invention relates to a ship including a system for repeated liquefaction of stripping gas. Disclosed is a vessel, which includes a liquefied gas storage tank and comprising: a heat exchanger for heat exchange of compressed stripping gas (hereinafter referred to as "first fluid medium") with the use of quenching gas released from the storage tank as a coolant in order to cool it; a main compression unit for compressing a portion of stripping gas, discharged from storage container; an additional compression unit provided in parallel to the main compression unit so as to compress another portion of stripping gas discharged from the storage container; and a decompression device for expanding a first fluid, cooled by heat exchange with a stripping gas, which is discharged from a storage container, in a heat exchanger, wherein the first fluid medium is: a stream in which the stripping gas is compressed, compressed by the main compression unit, and the stripping gas compressed by the additional compression unit; or a stripping gas compressed by the main compression unit.EFFECT: invention improves efficiency of repeated liquefaction of stripping gas.11 cl, 2 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 730 815 C2 (51) МПК B63B 25/16 (2006.01) B63H 21/38 (2006.01) F17C 9/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B63B 25/16 (2020.02); B63H 21/38 (2020.02); F17C 9/02 (2020.02) (21)(22) Заявка: 2018121292, 24.10.2016 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): ДЭУ ШИПБИЛДИНГ ЭНД МАРИН ИНДЖИНИРИНГ КО., ЛТД. (KR) Дата регистрации: 26.08.2020 12.11.2015 KR 10-2015-0158922 (43) Дата публикации заявки: 13.12.2019 Бюл. № 35 (56) Список документов, цитированных в отчете о поиске: KR 20150001600 A, 06.01.2015. JP 2013209000 A, 10.10.2013. KR 20100044420 A, 30.04.2010. KR 20080031708 A, 10.04.2008. (45) Опубликовано: 26.08.2020 Бюл. № 24 (85) Дата ...

Control Method for Methane Refrigerant System-Full re-liquefaction

The present invention relates to a method for operating a boil-off gas reliquefaction apparatus of a vessel, which fully reliquefies methane-based boil-off gas by directly using the same as a methane refrigerant, and is capable of restarting without refilling the refrigerant while not discharging the boil-off refrigerant to a liquefied gas storage tank even in case of operation stop. According to the present invention, the method for operating the boil-off gas reliquefaction apparatus of the vessel, the apparatus which compresses boil-off gas with a first boil-off gas compressor to a pressure that a lower-pressure gas-propulsion engine of the vessel requires to supply the same as a fuel for the lower-pressure gas-propulsion engine, and recovers the remaining compressed boil-gas after reliquefaction, comprises: having part of the remaining compressed boil-off gas diverged to be used as a boil-off gas refrigerant when additional cold energy is required to reliquefy the remaining compressed boil-off gas, wherein the compressed boil-off gas is cooled by expanding the boil-off gas refrigerant and exchanging heat with the compressed boil-off gas; compressing the boil-off gas refrigerant whose temperature has risen while the compressed boil-off gas was cooled with a second boil-off gas compressor installed as redundancy of a first boil-off gas compressor, to form a refrigerant cycle; and even when the refrigerant cycle is not used, maintaining the boil-off gas refrigerant that has been diverged to the refrigerant cycle at medium pressure, not discharging the same.

Ship

FIELD: vessels and other watercrafts. SUBSTANCE: invention relates to water transport and, more specifically, to a vessel including a system for repeated liquefaction of stripping gas remaining after use as engine fuel among the evaporating gases formed in the storage tank. Disclosed is a vessel, which includes a liquefied gas storage tank. Vessel comprises: a first compressor which compresses one or more portions of stripping gas discharged from the storage container; a second compressor which compresses another portion of stripping gas discharged from the storage container; a booster compressor which compresses one portion of stripping gas which is compressed by at least one of the first compressor and/or the second compressor; a first heat exchanger which performs heat exchange of stripping gas compressed by a booster compressor and stripping gas discharged from the storage container; refrigerant decompression device, which expands another part of stripping gas, which is compressed by at least one of first compressor and/or second compressor; a second heat exchanger which cools by means of a fluid medium expanded by a coolant decompression device, as a coolant, a stripping gas which is compressed by a booster compressor and performs heat exchange by means of a first heat exchanger; an additional compressor which compresses the coolant passing through the coolant decompression device and the second heat exchanger; and a first decompression device which expands the fluid medium which is compressed by the booster compressor and then cooled by the first heat exchanger and the second heat exchanger, wherein the additional compressor is driven by the energy generated when the fluid expands by the coolant decompression device. EFFECT: higher efficiency of repeated liquefaction of stripping gas. 22 cl, 9 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 715 971 C2 (51) МПК B63B 25/16 (2006.01) B63H 21/38 (2006.01) F17C 9/02 (2006.01) F17C 6/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ...

Patent RU2017145881A3

7 ВУ” 2017145881” АЗ Дата публикации: 17.07.2019 Форма № 18 ИЗПМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение 5 «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2017145881/11(078527) 05.04.2016 РСТ/ККВ2016/003542 05.04.2016 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 10-2015-0078142 02.06.2015 КК 2. 10-2015-0136257 25.09.2015 КК 3. 10-2015-0135998 25.09.2015 КК Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) СУДНО Заявитель: ДЭУ ШИПБИЛДИНГ ЭНД МАРИН ИНДЖИНИРИНГ КО., ЛТД., КК 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. Примечания) [ ] приняты во внимание следующие пункты: [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) ВбЗВ 25/16 (2006.01) ЕТ7С 9/02 (2006.01) ВбЗН 21/38 (2006.01) Е25.] 1/00 (2006.01) ЕТ7С 6/00 (2006.01) Е02М 21/02 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) В63В25/16, Е2511/00, Е17С9/02, Е17С6/00, В63Н21/38, Е02М21/02, Е2513/02, Е02М25/08, Е02М33/02 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, использованные при поиске (название базы, и если, возможно, поисковые термины): РУУРТ, Езрасепе, ...

liquefaction system of boil-off gas and ship having the same

본 발명은 증발가스 재액화 시스템 및 선박에 관한 것으로서, 액화가스 저장탱크; 상기 액화가스 저장탱크에서 발생한 증발가스를 압축하는 증발가스 압축기; 및 상기 증발가스를 액화시키는 액화부를 포함하며, 상기 액화부는, 액화가스의 로딩을 위해 쿨다운이 필요한 상기 액화가스 저장탱크에서 발생한 증발가스를 액화시켜 공급해 상기 액화가스 저장탱크의 쿨다운을 구현하는 것을 특징으로 한다. [0001] The present invention relates to an evaporative gas re-liquefaction system and a vessel, the liquefied gas storage tank comprising: An evaporative gas compressor for compressing the evaporative gas generated in the liquefied gas storage tank; And a liquefier for liquefying the evaporation gas, wherein the liquefier liquefies and supplies the evaporation gas generated in the liquefied gas storage tank requiring a cooldown for loading the liquefied gas to realize the cooldown of the liquefied gas storage tank .

Gas Treatment System and Vessel having same

본 발명의 일 실시예에 따른 가스 처리 시스템은, 액화가스 저장탱크와 수요처를 연결하는 제1 공급라인; 상기 제1 공급라인 상에 마련되며, 상기 액화가스 저장탱크에 저장된 액화가스를 강제 기화시켜 강제발생 증발가스를 발생시키는 강제 기화기; 상기 액화가스 저장탱크에서 발생된 증발가스가 상기 액화가스 저장탱크로 재인입되도록 연결되는 제2 공급라인; 상기 제2 공급라인 상에 마련되며, 상기 액화가스 저장탱크에 액화가스를 로딩 또는 언로딩 시 가동되는 증발가스 압축기; 상기 강제 기화기에 의해 강제 기화된 액화가스를 승온시키는 제1 히터; 및 상기 증발가스 압축기에 의해 압축된 증발가스를 승온시키는 제2 히터를 포함하고, 상기 제1 공급라인 및 상기 제2 공급라인은, 상기 제1 히터 및 상기 제2 히터의 상류 또는 하류 중 적어도 어느 하나에서 서로 연결되며, 상기 제1 히터 및 상기 제2 히터는, 병렬로 마련되는 것을 특징으로 한다. A gas processing system according to an embodiment of the present invention includes a first supply line for connecting a liquefied gas storage tank and a demander; A forced vaporizer provided on the first supply line and forcibly vaporizing the liquefied gas stored in the liquefied gas storage tank to generate forcibly generated evaporative gas; A second supply line connected so that the evaporation gas generated from the liquefied gas storage tank is reintroduced into the liquefied gas storage tank; An evaporative gas compressor provided on the second supply line and operated upon loading or unloading the liquefied gas into the liquefied gas storage tank; A first heater for raising the liquefied gas forcedly vaporized by the forced vaporizer; And a second heater for raising the temperature of the evaporation gas compressed by the evaporative gas compressor, wherein the first supply line and the second supply line are connected to each other by at least either of the upstream side or the downstream side of the first heater and the second heater And the first heater and the second heater are provided in parallel.

Gas Treatment System and Vessel having the same

본 발명의 일 실시예에 따른 가스 처리 시스템은, 액화가스 저장탱크와 수요처를 연결하는 증발가스 공급라인; 상기 증발가스 공급라인 상에 구비되며, 복수 개 마련되어 서로 병렬로 구축되는 상온용 증발가스 압축기; 상기 증발가스 공급라인 상의 상기 상온용 증발가스 압축기의 하류에서 분기되어, 상기 액화가스 저장탱크로 연결되는 재액화 라인; 상기 재액화 라인 및 상기 증발가스 공급라인 상에 구비되되, 상기 액화가스 저장탱크에서 공급되는 증발가스를 상기 상온용 증발가스 압축기에서 압축된 증발가스를 열교환하는 증발가스 열교환기; 및 상기 증발가스 공급라인 상의 상기 증발가스 열교환기와 상기 상온용 증발가스 압축기 사이에 구비되되, 상기 상온용 증발가스 압축기로 공급되는 상기 증발가스를 예열하는 예열기를 포함하고, 상기 예열기는, 상기 복수 개의 상온용 증발가스 압축기 중 적어도 어느 하나에 구비되어, 상기 증발가스 열교환기가 가동하지 않는 경우에만 가동되는 것을 특징으로 한다. A gas treatment system according to an embodiment of the present invention includes: a boil-off gas supply line connecting a liquefied gas storage tank and a customer; A boil-off gas compressor for room temperature which is provided on the boil-off gas supply line and is provided in a plurality of boil-off gas supply lines and is constructed in parallel with each other; A re-liquefaction line branched from a downstream side of the room temperature boil-off gas compressor on the boil-off gas supply line and connected to the liquefied gas storage tank; An boil-off gas heat exchanger provided on the reliquefaction line and the boil-off gas supply line, the boil-off gas heat exchanger for exchanging boil-off gas supplied from the liquefied gas storage tank and the boil-off gas compressed by the room temperature boil-off gas compressor; And a preheater provided between the boil-off gas heat exchanger on the boil-off gas supply line and the boil-off gas compressor for room temperature, and preheats the boil-off gas supplied to the boil-off gas compressor for room temperature, and the preheater comprises: It is provided in at least one of the boil-off gas compressors for room temperature, characterized in that it operates only when the boil-off gas heat exchanger is not operated.

Vessel Including Engines and Method of Reliquefying BOG for The Same

A ship including an engine is disclosed. The ship including the engine includes an autothermal exchanger for exchanging heat with the evaporated gas discharged from the storage tank; A multi-stage compressor for multi-stage compressing the evaporated gas passing through the self-heat exchanger after being discharged from the storage tank; A first decompression device for expanding a part of the evaporated gas that has been compressed by the multi-stage compressor and passed through the self-heat exchanger; And a second decompression device for expanding the other part of the evaporated gas that has been compressed by the multi-stage compressor and passed through the self-heat exchanger, wherein the self-heat exchanger is configured to expand the evaporated gas discharged from the storage tank, The evaporation gas expanded by the apparatus is used as a refrigerant to cool the evaporation gas compressed by the multi-stage compressor.

Gas Treatment System and Vessel having the same

본 발명의 일 실시예에 따른 가스 처리 시스템은, 하역용 액화가스 저장탱크와 선적용 액화가스 저장탱크를 연결하는 벙커링 라인; 상기 선적용 액화가스 저장탱크에서 발생되는 리턴 증발가스를 회수하는 증발가스 리턴라인; 상기 하역용 액화가스 저장탱크와 추진용 수요처를 연결하는 연료 공급라인; 상기 연료 공급라인 상에 구비되며, 상기 하역용 액화가스 저장탱크에서 발생되는 증발가스를 압축하는 제1 증발가스 압축기; 및 상기 증발가스 리턴라인 상에 구비되며 상기 선적용 액화가스 저장탱크에서 발생되는 리턴 증발가스를 압축하는 제2 증발가스 압축기를 포함하고, 상기 증발가스 리턴라인은, 상기 제2 증발가스 압축기의 상류에서 분기되어 상기 연료 공급라인 상의 상기 제1 증발가스 압축기 상류에 연결되며, 상기 리턴 증발가스를 상기 제1 증발가스 압축기 또는 상기 제2 증발가스 압축기 중 적어도 하나에 공급하는 것을 특징으로 한다. A gas processing system according to an embodiment of the present invention includes: a bunkering line connecting a liquefied gas storage tank for unloading and a liquefied gas storage tank for loading; a boil-off gas return line for recovering the return boil-off gas generated from the liquefied gas storage tank for shipping; a fuel supply line connecting the liquefied gas storage tank for unloading and a demand for propulsion; a first BOG compressor which is provided on the fuel supply line and compresses BOG generated from the liquefied gas storage tank for loading and unloading; and a second boil-off gas compressor provided on the boil-off gas return line and compressing return boil-off gas generated from the liquefied gas storage tank for shipment, wherein the boil-off gas return line is upstream of the second boil-off gas compressor branched from and connected to the first BOG compressor upstream on the fuel supply line, and supplying the return BOG to at least one of the first BOG compressor and the second BOG compressor.

treatment system for gas and vessel having the same

본 발명은 가스 처리 시스템 및 이를 포함하는 선박에 관한 것으로서, 가스 처리 시스템은 액화가스 저장탱크의 증발가스를 압축하는 2단의 극저온용 압축기가 병렬로 마련되는 저압 압축부; 상기 극저온용 압축기에서 가압된 증발가스를 가압하여 고압 수요처로 공급하는 4단 이상의 상온용 압축기가 마련되는 고압 압축부; 및 상기 액화가스 저장탱크의 액화가스를 기화시켜 상기 저압 압축부로 전달하는 강제기화기를 포함하는 것을 특징으로 한다.

Vessel Including Storage Tanks

저장탱크를 포함하는 선박이 개시된다. 상기 저장탱크를 포함하는 선박은, 천연가스를 냉매와 열교환시켜 냉각시키는 제1 열교환기; 상기 제 1 열교환기에 의해 냉각된 유체 중 중탄화수소(Heavy Hydrocarbon) 성분을 분리하는 제1 기액분리기; 상기 제1 기액분리기에 의해 중탄화수소가 분리된 유체를 팽창시키는 팽창부; 상기 제1 열교환기에서 냉매로 사용된 유체를 압축시키는 압축부; 상기 제1 기액분리기에 의해 분리된 중탄화수소 및 상기 팽창부에 의해 팽창된 유체를 증류하는 증류탑; 상기 압축부에 의해 압축된 유체가 분기된 일부 흐름(이하, ‘x 흐름’이라고 한다.)을 냉매와 열교환시켜 냉각시키는 제2 열교환기; 상기 제2 열교환기에 의해 냉각된 유체를 팽창시키는 팽창수단; 상기 압축부에 의해 압축된 유체 중 상기 ‘x 흐름’을 제외한 나머지 흐름(이하, ‘y 흐름’ 이라고 한다.)을 팽창시키는 제1 팽창기; 및 상기 제1 팽창기에 의해 팽창된 후 상기 제2 열교환기에서 냉매로 사용된 유체를 압축시키는 제3 압축기;를 포함하고, 상기 압축부와 상기 팽창부는 컴팬더를 구성하고, 상기 증류탑으로부터 배출된 유체는 상기 제 1 열교환기에서 냉매로 사용된 후 상기 압축부로 공급되고, 상기 제 2 열교환기는, 상기 제1 팽창기에 의해 팽창된 상기 ‘y 흐름’을 냉매로 사용하여 상기 ‘x 흐름’을 냉각시킨다. A ship comprising a storage tank is disclosed. The ship including the storage tank includes: a first heat exchanger for cooling natural gas by heat exchange with the refrigerant; A first gas-liquid separator for separating heavy hydrocarbons from the fluid cooled by the first heat exchanger; An expansion unit for expanding the fluid in which the heavy hydrocarbons are separated by the first gas-liquid separator; A compression unit for compressing a fluid used as a refrigerant in the first heat exchanger; A distillation tower for distilling the medium hydrocarbon separated by the first gas-liquid separator and the fluid expanded by the expansion unit; A second heat exchanger for cooling a part of the refrigerant flow branched by the compression unit (hereinafter referred to as "x-flow") by heat exchange with the refrigerant; Expansion means for expanding the fluid cooled by said second heat exchanger; A first inflator for inflating a flow of the fluid compressed by the compression unit except for the 'x flow' (hereinafter referred to as 'y flow'); And a third compressor for compressing a fluid used as a refrigerant in the second heat exchanger after being expanded by the first expander, wherein the compression section and the expansion section constitute a compander, The ...

Boil-Off Gas Reliquefaction System and Method for Vessel

선박용 증발가스 재액화 방법이 개시된다. 상기 선박용 증발가스 재액화 방법은, 1) 증발가스를 제1 열교환기에서 냉매로 사용하는 단계; 2) 상기 1)단계에서 상기 제1 열교환기에서 냉매로 사용된 증발가스를 두 흐름으로 분기시키는 단계; 3) 상기 2)단계에서 두 흐름으로 분기된 흐름 중, 한 흐름은 제1 압축기로 보내고, 나머지 흐름은 제2 압축기로 보내는 단계; 4) 상기 제1 압축기 또는 상기 제2 압축기에 의해 압축된 증발가스를, 상기 1)단계에서 상기 제1 열교환기로 공급된 증발가스를 냉매로 사용하여, 상기 제1 열교환기에 의해 열교환시켜 냉각시키는 단계; 5) 상기 4)단계에서 상기 제1 열교환기에 의해 냉각된 유체를, 냉매 사이클을 순환하는 증발가스를 냉매로 사용하여, 제2 열교환기에 의해 열교환시켜 냉각시키는 단계; 및 6) 상기 5)단계에서 상기 제2 열교환기에 의해 냉각된 유체를 감압시키는 단계;를 포함하고, 상기 냉매 사이클을 순환하는 증발가스는, 5-1) 상기 제1 압축기 또는 상기 제2 압축기에 의해 압축되는 단계(이하, 냉매 사이클로 공급되는 증발가스를 압축시키는 압축기를 '냉매 사이클용 압축기;라고 한다.); 5-2) 유량계에 의해 밀도가 측정되는 단계; 5-3) 상기 제2 열교환기에 의해 냉각되는 단계; 5-4) 감압되는 단계; 5-5) 상기 제2 열교환기에서 냉매로 사용되는 단계; 5-6) 압축되는 단계; 및 5-7) 질소가 주입되는 단계;를 포함하는 과정을 거친다. A method for reliquefaction of boil-off boil-off gas is disclosed. The vessel evaporation gas reliquefaction method, 1) using the boil-off gas as a refrigerant in the first heat exchanger; 2) branching the boil-off gas used as the refrigerant in the first heat exchanger into two streams in step 1); 3) out of the flow branched into two flows in step 2), one flow to the first compressor, the other flow to the second compressor; 4) exchanging and cooling the boil-off gas compressed by the first compressor or the second compressor by using the boil-off gas supplied to the first heat exchanger in step 1 as a refrigerant, and heat-exchanging by the first heat exchanger. ; 5) cooling the fluid cooled by the first heat exchanger in step 4) by using a boil-off gas circulating in a refrigerant cycle as a refrigerant, and heat-exchanging by a second heat exchanger; And 6) depressurizing the fluid cooled by the second heat exchanger in step 5), wherein the boil-off gas circulating in the refrigerant cycle is 5-1) to the first compressor or the second compressor. By a compression step (hereinafter, the compressor for compressing the boil-off gas supplied to the refrigerant cycle is referred to as a 'compressor for a refrigerant cycle;'); 5-2) ...

Lng boil-off re-liquefaction system for small and medium lng fuel propulsion ships and method to re-liquefaction lng boil-off using therefore

본 발명은 청정연료로 부상하는 LNG 연료에서 발생되는 증발가스(BOG)를 다수의 열교환기를 통해 다수 회 재액화시킴으로써, 별도의 재액화 시스템이 갖추어지지 못한 중소형 선박에서도 버려지는 BOG를 효과적으로 재활용되도록 함은 물론, 중소형 선박의 운항비용 및 벙커링 비용이 절감되도록 하는 중소형 LNG 연료 추진선용 LNG 증발가스 재액화 시스템 및 이를 이용한 LNG 증발가스 재액화 방법에 관한 것이다. The present invention re-liquefies boil-off gas (BOG) generated from LNG fuel, which is emerging as a clean fuel, through a number of heat exchangers multiple times to effectively recycle BOG thrown away even in small and medium-sized vessels that are not equipped with a separate re-liquefaction system. Of course, it relates to an LNG boil-off gas reliquefaction system for small and medium-sized LNG fueled propulsion ships, and a method for reliquefying LNG boil-off gas using the same, which reduces operating costs and bunkering costs of small and medium-sized ships.

A vessel with an engine in a hull

선체 내에 엔진을 탑재한 선박이 개시된다. 상기 선박은, 액화가스를 저장하고 있는 저장탱크와; 상기 저장탱크 내에서 발생한 증발가스를 공급받아 압축하는 압축수단과; 상기 압축수단에서 압축된 증발가스를, 상기 엔진에 공급되는 연료와 열교환하여 냉각시키는 열회수유닛;을 포함한다. A ship equipped with an engine in a hull is disclosed. The ship includes a storage tank storing liquefied gas; A compression means for receiving and compressing the evaporation gas generated in the storage tank; And a heat recovery unit for heat-exchanging the evaporated gas compressed by the compression unit with the fuel supplied to the engine to cool the evaporated gas.

An installation for supplying gaseous fuel to a power generation system of a ship for transporting liquefied gas

본 발명은 액화가스 운반선박의 일체의 에너지생산 시스템에 가스연료를 공급하기 위한 설비에 관한 것으로, 본 설비는 압축기(6)를 구비하고, 압축기 입구는 선박의 탱크(1) 내부의 액체가스 표층 상부의 가스를 흡입하며 출구는 에너지생산 장치에 연료를 공급하는 콜렉터(7)에 연결된다. 그리고 펌프(8)가 탱크 내부에 잠겨있고 도관(9)을 통해 기화장치(10)의 입구에 연결되며, 이 기화장치(10)의 출구는 콜렉터(7)에 연결되고, 펌프(8)와 기화장치(10)를 이어주는 도관(9)에는 액화가스의 역류도관(11)이 연결되며 이 역류도관(11)에는 조절판(12)이 설치되는 것을 특징으로 한다.

Patent RU2017145878A3

`7ВУ’” 2017145878” АЗ Дата публикации: 19.09.2019 Форма № 18 ИЗ,ПМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение ж 5 «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2017145878/06(078523) 20.04.2016 РСТ/КК2016/004103 20.04.2016 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 19-2015-0078142 02.06.2015 КК Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) СИСТЕМА ПОВТОРНОГО СЖИЖЕНИЯ ДЛЯ ОТПАРНОГО ГАЗА Заявитель: ДЭУ ШИПБИЛДИНГ ЭНД МАРИН ИНДЖИНИРИНГ КО., ЛТД., КК 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. Примечания) [ ] приняты во внимание следующие пункты: [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) ЕТС 5/02 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) Е17С, 8251 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, использованные при поиске (название базы, и если, возможно, поисковые термины): СТРО, СМГРА, РЕРАТБЗ пес, РУУРТ, ЕАРАТТУ, Езрасепеф, )-Р]а Раё, КТРВГУ, Огри [п{(еШсоепсе, РАТЕМТСОРЕ, Рабеагсв, КОРТО, ОЗРТО 6. ДОКУМЕНТЫ, ОТНОСЯЩИЕСЯ К ПРЕДМЕТУ ПОИСКА Кате- Наименование документа с указанием (где необходимо) ...

Ship

Lng regasification device

본 발명의 실시예에 따른 액화천연가스 재기화장치는 증기에 의해 구동되는 증기터빈, 저장탱크에 저장된 액화천연가스가 기화되어 생성된 제1천연가스를 포함하는 유체를 상기 증기터빈에서 배출되는 증기를 이용하여 기화시키는 기화기 및 상기 기화기에서 배출되는 제2천연가스 및 상기 저장탱크로부터 배출되는 증발가스를 포함하는 혼합가스에 의해 구동되는 가스터빈을 포함한다. The liquefied natural gas rejuvenation apparatus according to an embodiment of the present invention includes a steam turbine driven by steam, a fluid containing first natural gas generated by vaporizing liquefied natural gas stored in a storage tank, a steam discharged from the steam turbine And a gas turbine driven by a mixed gas containing a vaporizer discharged from the storage tank and a second natural gas discharged from the vaporizer.

Ship

FIELD: vessels and other watercrafts. SUBSTANCE: invention relates to shipbuilding, particularly, to vessels using gas fuel engine. Disclosed are a vessel, which includes a tank for storing liquefied gas, and a system for treating stripping gas for a ship. In particular, most or all of remaining stripping gas can be repeatedly liquefied without using cooling cycle, and using separate cooling agent, and therefore increasing economic efficiency. It is possible to flexibly control flow rate of coolant flow and supply of heat released during cooling in compliance with output quantity of stripping gas, load on engine depending on working speed of ship. In particular, the heat exchanger of the coolant can use not only the stripping gas compressed by the additional compressor, but also the stripping gas compressed by the compressor, as coolant for increasing flow rate of stripping gas used as coolant in heat exchanger of coolant, even more improving efficiency of repeated liquefaction and quantity of repeatedly liquefied stripping gas. EFFECT: invention makes it possible to increase efficiency of repeated liquefaction and quantity of repeatedly liquefied stripping gas, since the flaking gas is decompressed after the process of additional cooling with the help of a heat exchanger of cooling agent. 18 cl, 7 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 703 368 C2 (51) МПК B63B 25/16 (2006.01) F25J 1/00 (2006.01) F17C 9/02 (2006.01) F17C 6/00 (2006.01) B63H 21/38 (2006.01) F02M 21/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B63B 25/16 (2019.05); F25J 1/00 (2019.05); F17C 9/02 (2019.05); F17C 6/00 (2019.05); B63H 21/38 (2019.05); F02M 21/02 (2019.05) (21)(22) Заявка: 2017145879, 05.04.2016 05.04.2016 Дата регистрации: 16.10.2019 02.06.2015 KR 10-2015-0078142; 25.09.2015 KR 10-2015-0136257; 25.09.2015 KR 10-2015-0135999 (73) Патентообладатель(и): ДЭУ ШИПБИЛДИНГ ЭНД МАРИН ИНДЖИНИРИНГ КО., ЛТД. (KR) (43) Дата ...

System of service for carbon injection and process using seawater heat source and compressor heat source and thereof method

본 발명은 해수 열원 및 압축 배열원을 이용한 이산화탄소 주입 및 처리 시스템 및 그의 방법에 관한 것이다. 보다 상세하게는 해상 플랫폼에서 활용 가능한 열 에너지원인 해수 열원과 압축기의 배열원를 이용하여 이산화탄소를 주입조건에 따라 처리하여 해저로 주입 함으로써 육상으로부터 공급받는 에너지원을 최소화하고, 종래의 시스템과 대비하여 에너지 사용량을 절감할 수 있도록 하며, 에너지 공급선과 해상 플랫폼의 연결 주기를 줄일 수 있도록 하는 해수 열원 및 압축 배열원을 이용한 이산화탄소 주입 및 처리 시스템 및 그의 방법에 관한 것이다. 이를 위해 본 발명은 해상 플랫폼의 탑사이드(topside)에 도달한 이산화탄소를 해저로 주입하기 위하여 소정의 처리가 이루어지는 시스템에 있어서, 이산화탄소를 공급하는 공급부; 공급부로부터 이산화탄소를 전달받아 액체 및 기체 이산화탄소로 분리하는 분리기; 분리기로부터 공급받은 액체 상태의 이산화탄소를 가압하는 펌프; 분리기로부터 공급받은 기체 상태의 이산화탄소를 가압하는 압축기; 펌프에 의해 가압처리된 액체 이산화탄소를 해수열원을 이용하여 열교환시키는 해수 열교환기; 및 압축기를 통과한 기체 이산화탄소와 해수 열교환기를 통과한 액체 이산화탄소를 열교환시키는 압축배열 열교환기를 포함하는 해수 열원 및 압축 배열원을 이용한 이산화탄소 주입 및 처리 시스템을 제공한다.

Fuel providing system of ship

선박의 연료공급시스템이 개시된다. 본 발명의 실시 예에 의한 선박의 연료공급시스템은 저장탱크로부터 공급받은 증발가스를 저압 연료를 필요로 하는 제1수요처의 연료공급조건에 맞게 압축시키는 저압압축부; 압축된 증발가스 중 제1수요처의 연료공급량을 초과한 유량을 액화시키는 열교환부; 열교환부를 통과한 액화된 유체를 팽창시키는 팽창기; 팽창된 유체를 기액 분리시키는 기액분리기; 저장탱크, 저압압축부, 열교환부, 팽창기 및 기액분리기를 연결하며, 기액분리기에 의해 분리된 기체성분을 열교환부를 거쳐 저압압축부의 전단으로 공급하는 증발가스공급라인; 증발가스공급라인의 저압압축부와 열교환부 사이로부터 분기되어, 제1수요처와 연결된 제1연료공급라인; 저장탱크로부터 공급받은 액화가스를 가압하는 가압펌프; 및 저장탱크, 가압펌프, 열교환부 및 제1수요처보다 큰 압력의 연료를 필요로 하는 제2수요처를 연결하며, 가압된 액화가스를 열교환부를 거쳐 상기 제2수요처로 공급하는 제2연료공급라인;을 포함한다.

Natural Gas Supplying Method?and Apparatus thereof in LNG Carrier

본 발명은 LNG 화물 탱크로부터 발생하는 자연기화가스와; 상기 화물 탱크로부터 LNG를 펌핑하고, 상기 펌핑된 LNG를 기화시켜 생성된 강제기화가스;를 LNG 운반선의 가스 수요처에 일정한 압력이상으로 공급하는 방법에 있어서, 상기 일정한 압력 이상으로 천연가스를 공급하기 위하여, 일정 압력 이상의 상기 강제기화가스 또는 자연기화가스와 합류된 강제기화가스를 상기 화물 탱크 또는 각 화물 탱크를 연결하는 가스 헤더로 회송시키는 것을 특징으로 하는, LNG 운반선에서 가스 수요처로의 천연가스 공급방법 및 그 장치를 제공한다. 자연기화가스, 강제기화가스, 일정한 압력, 회송, 천연가스 공급방법

Vessel Including Engines

엔진을 포함하는 선박이 개시된다. 상기 엔진을 포함하는 선박은, 저장탱크로부터 배출되는 증발가스를 열교환시키는 제1 자가열교환기; 상기 저장탱크로부터 배출된 후 상기 제1 자가열교환기를 통과한 증발가스를 다단계로 압축시키는 다단압축기; 상기 다단압축기에 의해 압축된 후 '상기 제1 자가열교환기를 통과한 증발가스의 일부'를 팽창시키는 제1 감압장치; 상기 다단압축기에 의해 압축된 후 '상기 제1 자가열교환기를 통과한 증발가스의 다른 일부'를 팽창시키는 제2 감압장치; 및 상기 제1 감압장치에 의해 팽창된 유체를 냉매로 '상기 다단압축기에 의해 압축된 증발가스의 일부'를 열교환시켜 냉각시키는 제2 자가열교환기;를 포함하고, 상기 제1 자가열교환기는, 상기 저장탱크로부터 배출되는 증발가스를 냉매로 하여, '상기 다단압축기에 의해 압축된 증발가스의 다른 일부'를 냉각시킨다. A ship including an engine is disclosed. The ship including the engine includes: a first self-heat exchanger for heat-exchanging the evaporated gas discharged from the storage tank; A multi-stage compressor for multi-stage compressing the evaporated gas having passed through the first self-heat exchanger after being discharged from the storage tank; A first decompression device for expanding a part of the evaporated gas that has passed through the first self heat exchanger after being compressed by the multi-stage compressor; A second decompression device for expanding another part of the evaporated gas that has passed through the first self heat exchanger after being compressed by the multi-stage compressor; And a second self-heat exchanger for heat-exchanging the fluid expanded by the first decompressor with a refrigerant and a portion of the evaporated gas compressed by the multi-stage compressor, wherein the first self- The evaporation gas discharged from the storage tank is used as a refrigerant to cool another portion of the evaporated gas compressed by the multi-stage compressor.

BOG Reliquefaction System and Method for Vessel

선박용 증발가스 재액화 방법이 개시된다. 상기 선박용 증발가스 재액화 방법은, 1) 저장탱크로부터 배출된 증발가스를 압축시키고, 2) 상기 저장탱크로부터 배출된 증발가스를 냉매로 하여, 상기 1)단계에서 압축된 증발가스를 열교환시켜 냉각시키고, 3) 상기 2)단계에서 냉각된 유체를 팽창밸브에 의해 팽창시키고, 4) 상기 3)단계에서 팽창된 유체를 기액분리기에 의해 액화가스와 기체 상태의 증발가스로 분리시키고, 상기 기액분리기로부터 기체 상태의 증발가스가 배출되는 라인 상에 설치된 유량조절밸브가 100% 열리면, 상기 팽창밸브의 개도를 줄인다. Disclosed is a method for re-liquefaction of marine vaporized gas. The method for liquefying the ship evaporative gas includes the steps of: 1) compressing the evaporated gas discharged from the storage tank; 2) using the evaporated gas discharged from the storage tank as the refrigerant; And 3) expanding the fluid cooled in the step 2) by the expansion valve, 4) separating the fluid expanded in the step 3) into a liquefied gas and an evaporated gas in a gaseous state by the gas-liquid separator, The opening degree of the expansion valve is reduced when the flow rate regulating valve provided on the line from which the gaseous evaporation gas is discharged is opened 100%.

Bunkering Vessel

본 발명은 액화가스를 저장하는 벙커링 탱크를 포함하는 벙커링 선박의 운전 방법으로서, (1) 벙커링 대상의 액화가스 저장탱크 내부의 가스를 상기 벙커링 선박의 가스연소유닛으로 공급하여 상기 액화가스 저장탱크를 감압하는 단계; 및 (2) 상기 벙커링 탱크에 저장된 액상의 액화가스를 상기 액화가스 저장탱크로 공급하는 벙커링 단계를 포함하며, 상기 벙커링 선박은, 상기 (2) 단계에서 상기 액화가스 저장탱크 내에서 발생하는 증발가스를 공급받아 상기 벙커링 탱크에 저장된 액상의 액화가스 내에 주입하는 것일 수 있다. The present invention is a method for operating a bunkering ship including a bunkering tank for storing liquefied gas. decompressing; and (2) a bunkering step of supplying the liquefied gas stored in the bunkering tank to the liquefied gas storage tank, wherein the bunkering ship is may be supplied and injected into the liquid liquefied gas stored in the bunkering tank.

A ReGasification System Of Liquefied Gas

본 발명의 일 실시예에 따른 액화가스 재기화 시스템은, 액화가스 저장탱크에 저장된 액화가스를 기화시키는 기화부; 상기 기화부에서 토출되어 적어도 일부 리턴되는 액화가스와 상기 액화가스 저장탱크에서 공급되는 액화가스와 열교환하며 상기 기화부 상류에 구비되는 열교환기; 및 상기 기화부에서 토출되어 열교환기에서 열교환된 액화가스를 감압 또는 팽창시켜 액화시키는 액화기를 포함하는 것을 특징으로 한다. Liquefied gas regasification system according to an embodiment of the present invention, a vaporizer for vaporizing the liquefied gas stored in the liquefied gas storage tank; a heat exchanger provided upstream of the vaporization unit for exchanging heat with the liquefied gas discharged from the vaporization unit and returned at least partially and the liquefied gas supplied from the liquefied gas storage tank; and a liquefier for liquefying the liquefied gas discharged from the vaporizer and heat-exchanged in the heat exchanger under reduced pressure or expansion.

Regasification System of liquefied Gas and Ship Having the Same

본 발명은 액화가스 재기화 시스템 및 이를 구비하는 선박에 관한 것으로서, 액화가스를 저장하고 내부에 이송펌프를 갖는 복수 개의 액화가스 저장탱크; 및 액화가스를 기화시켜 수요처로 공급하는 기화기를 포함하며, 상기 액화가스 저장탱크는, 복수 개의 제1 액화가스 저장탱크; 및 상기 제1 액화가스 저장탱크에 저장된 액화가스를 전달받는 제2 액화가스 저장탱크를 포함하고, 상기 제2 액화가스 저장탱크에 마련되는 이송펌프는, 상기 제1 액화가스 저장탱크에 마련되는 이송펌프보다 높은 압력으로 액화가스를 가압하여 상기 기화기로 전달하는 것을 특징으로 한다. The present invention relates to a liquefied gas regasification system and a ship having the same, comprising: a plurality of liquefied gas storage tanks for storing liquefied gas and having a transfer pump therein; and a vaporizer for vaporizing liquefied gas and supplying it to a consumer, wherein the liquefied gas storage tank includes: a plurality of first liquefied gas storage tanks; and a second liquefied gas storage tank receiving the liquefied gas stored in the first liquefied gas storage tank, wherein the transfer pump provided in the second liquefied gas storage tank is provided in the first liquefied gas storage tank It is characterized in that the liquefied gas is pressurized at a higher pressure than the pump and delivered to the vaporizer.

Ship

FIELD: shipbuilding. SUBSTANCE: invention relates to shipbuilding, particularly, to vessels with gas fuel engines. Proposed vessel comprises tank for storage of liquefied gas, system and method of processing stripping gas. In particular, most or all of the remaining stripping gas can be repeatedly liquefied without using a cooling cycle, and using a separate refrigerant and thereby increasing economic efficiency. It is possible to flexibly control flow rate of coolant flow and supply of heat released during cooling in compliance with output quantity of stripping gas, load on engine depending on working speed of ship. In particular, the heat exchanger of the coolant can use not only the stripping gas compressed by the additional compressor, but also the sealed gas compressed by the compressor, as a coolant for increasing the flow rate of the stripping gas used as a coolant in the heat exchanger of the coolant, thus, even more improving the efficiency of repeated liquefaction and the quantity of repeatedly liquefied stripping gas. Pressure of stripping gas subject to re-liquefaction process can be increased due to booster compressor, additionally increasing efficiency of repeated liquefaction and quantity of repeatedly liquefied stripping gas. EFFECT: invention makes it possible to increase efficiency of repeated liquefaction and quantity of repeatedly liquefied stripping gas, since the stripping gas is decompressed after the process of additional cooling with the help of a heat exchanger of cooling agent. 20 cl, 7 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 703 354 C2 (51) МПК B63B 25/16 (2006.01) F25J 1/00 (2006.01) F17C 9/02 (2006.01) F17C 6/00 (2006.01) B63H 21/38 (2006.01) F02M 21/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B63B 25/16 (2019.05); F25J 1/00 (2019.05); F17C 9/02 (2019.05); F17C 6/00 (2019.05); B63H 21/38 (2019.05); F02M 21/02 (2019.05) (21)(22) Заявка: 2017145882, 05.04.2016 05.04. ...

System of service for carbon injection and process using seawater heat source and compressor heat source and thereof method

본 발명은 해수 열원 및 압축 배열원을 이용한 이산화탄소 주입 및 처리 시스템 및 그의 방법에 관한 것이다. 보다 상세하게는 해상 플랫폼에서 활용 가능한 열 에너지원인 해수 열원과 압축기의 배열원를 이용하여 이산화탄소를 주입조건에 따라 처리하여 해저로 주입 함으로써 육상으로부터 공급받는 에너지원을 최소화하고, 종래의 시스템과 대비하여 에너지 사용량을 절감할 수 있도록 하며, 에너지 공급선과 해상 플랫폼의 연결 주기를 줄일 수 있도록 하는 해수 열원 및 압축 배열원을 이용한 이산화탄소 주입 및 처리 시스템 및 그의 방법에 관한 것이다. 이를 위해 본 발명은 해상 플랫폼의 탑사이드(topside)에 도달한 이산화탄소를 해저로 주입하기 위하여 소정의 처리가 이루어지는 시스템에 있어서, 이산화탄소를 공급하는 공급부; 공급부로부터 이산화탄소를 전달받아 액체 및 기체 이산화탄소로 분리하는 분리기; 분리기로부터 공급받은 액체 상태의 이산화탄소를 가압하는 펌프; 분리기로부터 공급받은 기체 상태의 이산화탄소를 가압하는 압축기; 펌프에 의해 가압처리된 액체 이산화탄소를 해수열원을 이용하여 열교환시키는 해수 열교환기; 및 압축기를 통과한 기체 이산화탄소와 해수 열교환기를 통과한 액체 이산화탄소를 열교환시키는 압축배열 열교환기를 포함하는 해수 열원 및 압축 배열원을 이용한 이산화탄소 주입 및 처리 시스템을 제공한다.

BOG Re-liquefaction Apparatus and Method for Vessel

선박에 설치된 액화천연가스 저장탱크에서 발생하는 증발가스를 재액화하기 위하여 증발가스를 냉각 유체로 사용하는 재액화 장치가 개시된다. 상기 선박용 증발가스 재액화 장치는, 상기 저장탱크로부터 배출되는 증발가스를 압축하는 다수개의 압축기; 상기 다수개의 압축기에 의해 다단계로 압축된 증발가스의 에너지를 회수하는 제 1 가스터빈; 상기 제 1 가스터빈을 통과한 증발가스와 상기 저장탱크로부터 배출된 증발가스를 열교환시키는 자가열교환기; 상기 제 1 가스터빈 및 상기 자가열교환기를 통과한 증발가스의 에너지를 회수하는 제 2 가스터빈; 상기 다수개의 압축기, 상기 제 1 가스터빈, 상기 자가열교환기 및 상기 제 2 가스터빈을 통과한 증발가스의 압력을 낮추는 감압장치; 및 상기 제 1 가스터빈의 축과 연결되어, 상기 제 1 가스터빈에 의해 일로 전환된 증발가스의 엔탈피를 사용하여 상기 저장탱크로부터 배출된 증발가스를 압축시키는 추가 압축기;를 포함한다.

Treatment system of gas

본 발명의 일 실시예에 따른 가스 처리 시스템은, 액화가스 저장탱크에서 발생되는 증발가스를 다단 가압하며 상온의 증발가스를 공급받는 다단 증발가스 압축기; 및 상기 다단 증발가스 압축기 후단 각각에 구비되며 상기 증발가스 압축기에서 압축된 증발가스를 냉각하는 증발가스 냉각기를 포함하되, 상기 증발가스 냉각기는, 상기 증발가스 압축기에서 가압 및 가열된 증발가스를 통해 상기 액화가스 저장탱크에서 토출되는 증발가스를 예열하고, 상기 예열된 증발가스를 상기 증발가스 압축기로 공급하는 것을 특징으로 한다.

Apparatus and method for treating boil-off gas in liquefied gas regasification system

本发明涉及一种用于处理液化气再气化系统中的蒸发气体的装置和方法，且更特定来说，涉及一种用于处理液化气再气化系统中的蒸发气体的装置和方法，其中，即使液化气再气化系统中没有或有少量再气化气体待发送，也可再液化和重新收集蒸发气体。根据本发明的用于处理液化气再气化系统中的蒸发气体的装置是用于处理在液化气再气化系统中产生的蒸发气体的蒸发气体处理装置，蒸发气体处理装置包括：低压压缩机，用于在燃料消耗者所需的压力下压缩蒸发气体；高压压缩机，安设在低压压缩机的后端，与低压压缩机串联，以便在再气化气体消耗者所需的压力下压缩已由低压压缩机压缩的低压蒸发气体；低温热交换器，用于冷却由高压压缩机压缩的高压蒸发气体；减压装置，用于将已由低温热交换器冷却的高压蒸发气体的压力减小到用于存储液化气的液化气储罐的内压；以及液化气滚筒，用于分离由减压装置在减压过程中产生的闪蒸气体，其中将与液化气滚筒分离的液态再液化蒸发气体重新收集到液化气储罐中。

VESSEL

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2017 145 884 A (51) МПК B63B 25/16 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2017145884, 05.04.2016 (71) Заявитель(и): ДЭУ ШИПБИЛДИНГ ЭНД МАРИН ИНДЖИНИРИНГ КО., ЛТД. (KR) Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: 10.07.2019 Бюл. № 19 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 09.01.2018 KR 2016/003545 (05.04.2016) (87) Публикация заявки PCT: R U Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, стр. 3, ООО "Юридическая фирма Городисский и Партнеры" (54) СУДНО (57) Формула изобретения 1. Судно, включающее в себя резервуар для хранения, хранящий сжиженный газ, содержащее: теплообменник отпарного газа, установленный ниже по потоку от резервуара для хранения так, что сжимаемый отпарной газ (далее называемый «первой текучей средой») предназначен для теплообмена и охлаждается с использованием отпарного газа, который выпускается из резервуара для хранения в качестве хладагента; компрессор, установленный ниже по потоку от теплообменника отпарного газа так, чтобы сжимать одну часть отпарного газа, выпускаемого из резервуара для хранения; дополнительный компрессор, установленный ниже по потоку от теплообменника отпарного газа параллельно компрессору так, чтобы сжимать другую часть отпарного газа, выпускаемого из резервуара для хранения; теплообменник хладагента для дополнительного охлаждения первой текучей среды, которая охлаждается посредством теплообменника отпарного газа; устройство декомпрессии хладагента, которое выполнено с возможностью расширения второй текучей среды, которая направляется к теплообменнику хладагента, (далее называемую «второй текучей средой»), и охлаждается посредством теплообменника хладагента, а затем направления второй текучей среды обратно к Стр.: 1 A 2 0 1 7 1 4 5 8 8 4 A WO 2016/195233 (08.12.2016) 2 0 1 7 1 4 5 8 8 4 (86) Заявка PCT: (72) Автор(ы): АН, Су Киунг (KR), ЧОЙ, Донг Киу (KR ...

Boil-Off Gas Reliquefaction System and Method for Vessel

Disclosed is a boil-off gas (BOG) reliquefaction system for a vessel, capable of efficiently reliquefying BOG. According to the present invention, the BOG reliquefaction system for a vessel comprises: a first compressor to compress BOG; a second compressor installed in parallel to the first compressor to compress the BOG of a different flow not supplied to the first compressor; a first heat exchanger to cool the BOG compressed by the first or second compressor through heat exchange using the BOG before compressed by the first or second compressor as a refrigerant; a second heat exchanger to cool the fluid cooled by the first heat exchanger through additional heat exchange using the BOG circulated in a refrigerant cycle as the refrigerant; and first decompressor to decompress the fluid cooled by the second heat exchanger. The refrigerant cycle comprises: a second decompressor to decompress the BOG supplied to the refrigerant cycle; a third decompressor to additionally decompress the fluid decompressed by the second decompressor; fourth and fifth compressors to compress the fluid decompressed by the third compressor and used as the refrigerant in the second heat exchanger; a temperature sensor to measure the temperature of the refrigerant circulating the refrigerant cycle; and a pressure sensor to measure the pressure of the refrigerant circulating the refrigerant cycle. Moreover, the boiling point of the refrigerant in accordance with the pressure measured by the pressure sensor is calculated and thus the temperature measured by the temperature sensor is equal to or higher than the boiling point by a predetermined value (hereinafter, referred to as a third setting value).

Gas Treatment System

본 발명은 가스 처리 시스템에 관한 것으로서, 액화가스 저장탱크의 액화가스를 고압으로 가압하는 펌프가 마련되어 상기 액화가스를 고압 수요처로 공급하는 고압 액화가스 공급라인; 상기 액화가스 저장탱크의 액화가스를 기화시키는 기화기, 상기 기화된 액화가스에서 헤비카본을 분리하는 헤비카본 분리기가 마련되어 상기 액화가스를 저압 수요처로 공급하는 저압 액화가스 공급라인; 상기 펌프를 순환하는 액화가스를 상기 액화가스 저장탱크로 복귀시키는 액화가스 회수라인; 및 상기 헤비카본 분리기에서 분리되는 상기 헤비카본을 상기 액화가스 저장탱크로 복귀시키는 헤비카본 배출라인을 포함하며, 상기 헤비카본 배출라인은, 일단이 상기 헤비카본 분리기에 연결되고 타단이 상기 액화가스 회수라인에 연결되는 것을 특징으로 한다. The present invention relates to a gas processing system, comprising: a high-pressure liquefied gas supply line provided with a pump for pressurizing a liquefied gas in a liquefied gas storage tank at a high pressure to supply the liquefied gas to a high-pressure customer; A low pressure liquefied gas supply line provided with a vaporizer for vaporizing the liquefied gas in the liquefied gas storage tank and a heavy carbon separator for separating heavy carbon from the vaporized liquefied gas to supply the liquefied gas to a low pressure consumer; A liquefied gas recovery line for returning the liquefied gas circulating through the pump to the liquefied gas storage tank; And a heavy carbon discharge line for returning the heavy carbon separated from the heavy carbon separator to the liquefied gas storage tank, wherein the heavy carbon discharge line has one end connected to the heavy carbon separator and the other end connected to the liquefied gas recovery line Line.

Gas Treatment System and Vessel having the same

본 발명의 일 실시예에 따른 가스 처리 시스템은, 액화가스 저장탱크에서 발생된 증발가스를 가압하여 고압 수요처로 공급하며, 복수 개 마련되어 서로 병렬로 구축되는 상온용 증발가스 압축기; 상기 상온용 증발가스 압축기의 상류에 구비되되, 상기 상온용 증발가스 압축기로 공급되는 증발가스를 예열하는 예열기; 및 상기 액화가스 저장탱크로부터 공급되는 증발가스 중 상기 예열기의 상류에서 분기되어 공급되는 증발가스를 가압하여 저압 수요처로 공급하는 극저온용 증발가스 압축기를 포함하는 것을 특징으로 한다. A gas processing system according to an embodiment of the present invention includes: an boil-off gas compressor for room temperature that pressurizes the boil-off gas generated in a liquefied gas storage tank and supplies it to a high-pressure consumer, and is provided in a plurality of boil-off gas compressors for room temperature that are built in parallel with each other; A preheater provided upstream of the room temperature boil-off gas compressor for preheating boil-off gas supplied to the room temperature boil-off gas compressor; And a cryogenic boil-off gas compressor that pressurizes the boil-off gas supplied by branching from the upstream of the preheater among boil-off gas supplied from the liquefied gas storage tank and supplies it to a low-pressure consumer.

Device and method for cooling liquefied gas and/or gas of natural steaming from liquefied gas

FIELD: gas industry. SUBSTANCE: invention relates to the cooling of steamed gas. Device (10) for cooling natural steaming gas for energy generation plant (12), in particular onboard the vessel, includes main tank (14) for storage of liquefied gas, including the first outlet branch pipe for natural steaming gas (45), means (170) for cooling liquefied gas, auxiliary tank (30) for cooled liquefied gas, made with the possibility of storage of liquefied gas cooled by means of cooling, first heat exchange circuit (40) including an inlet branch pipe, made with the possibility of connection to the first outlet branch pipe of the main tank for circulation of natural steaming gas in the circuit. The first circuit is made with the possibility of communication with the auxiliary tank, so that natural steaming gas passing through the first circuit is cooled by means of cooled liquefied gas stored in the auxiliary tank or coming from the auxiliary tank. EFFECT: simplification of cooling natural waste gas. 20 cl, 13 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 769 600 C2 (51) МПК F17C 9/02 (2006.01) F25J 1/00 (2006.01) F17C 5/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК F17C 9/02 (2021.05); F25J 1/00 (2021.05); F17C 5/04 (2021.05) (21)(22) Заявка: 2019139556, 07.05.2018 (24) Дата начала отсчета срока действия патента: Дата регистрации: (73) Патентообладатель(и): ГАЗТРАНСПОРТ ЭТ ТЕХНИГАЗ (FR) 04.04.2022 12.05.2017 FR 1754186 (43) Дата публикации заявки: 04.06.2021 Бюл. № 16 (56) Список документов, цитированных в отчете о поиске: US 2015000334 A, 01.01.2015. EA 200600908 A1, 25.08.2006. RU 2272228 C1, 20.03.2006. EP 2690274 A1, 29.01.2014. US 2013269633 A1, 17.10.2013. (45) Опубликовано: 04.04.2022 Бюл. № 10 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 04.12.2019 2 7 6 9 6 0 0 Приоритет(ы): (30) Конвенционный приоритет: R U 07.05.2018 (72) Автор(ы): БУИССАРТ, Мартин (FR), ДЕЛЕТРЕ, Бруно (FR), ХАКУИН, ...

Regasification System and Vessel having the same

본 발명의 일 실시예에 따른 가스 재기화 시스템 및 선박은, 액화가스 저장탱크; 상기 액화가스 저장탱크에 저장된 액화가스를 가압하여 수요처로 공급하는 부스팅 펌프; 및 상기 액화가스 저장탱크에서 상기 부스팅 펌프로 공급되는 액화가스를 임시 저장하는 석션 드럼을 포함하고, 상기 부스팅 펌프는, 상기 석션 드럼 내에 잠형으로 배치되는 것을 특징으로 한다.

Gas Treatment System and Vessel having the same

본 발명의 일 실시예에 따른 가스 처리 시스템은, 액화가스 저장탱크와 수요처를 연결하는 증발가스 공급라인; 상기 증발가스 공급라인 상에 구비되며, 복수 개 마련되어 서로 병렬로 구축되는 증발가스 압축기; 상기 액화가스 저장탱크와 상기 수요처를 연결하는 액화가스 공급라인; 상기 액화가스 공급라인 상에 구비되되, 상기 액화가스 저장탱크에 저장된 액화가스를 상기 수요처로 공급하는 펌프; 및 상기 액화가스 공급라인 상에 구비되되, 상기 펌프로부터 가압된 액화가스를 공급받아 기화시켜 상기 수요처로 공급하는 기화기를 포함하고, 상기 수요처는, 상기 증발가스 공급라인 또는 상기 액화가스 공급라인 중 어느 하나로부터 상기 액화가스 또는 증발가스를 공급받아 소비하고, 상기 증발가스 압축기는, 적어도 하나를 작동 중단 상태 또는 증발가스의 압축을 구현하지 않는 스탠바이 상태로 제어되는 것을 특징으로 한다.