包装桶（Vega Lube）

包装桶（中东威嘉Vega lube润滑油）

包装桶（VEGA）

包装桶（VEGA4L）

Electronic pressure regulating valve applied to energy storage power generation system

The invention discloses an electronic pressure regulating valve applied to an energy storage power generation system, and relates to the technical field of energy storage power generation, the electronic pressure regulating valve comprises an electronic pressure regulating valve module, the electronic pressure regulating valve module comprises a valve cavity and an electronic pressure regulating valve part, and the valve cavity is divided into a high-pressure part and a low-pressure part; the volume of the high-pressure part and the volume of the low-pressure part form a valve high-pressure cavity and a valve low-pressure cavity respectively through the proportion division design of 2: 8. The scheme that multiple sets of small-caliber direct-acting type electronic pressure regulating valve elements are used for alternate regulation is adopted, the pressure regulating function requirement at the high inlet pressure is met, and the flow requirement at the low inlet pressure is also met; and ...

Fuel cell system and test board CAN bus matching and data analysis method

The invention discloses a fuel cell system and test board CAN bus matching and data analysis method, and relates to the technical field of fuel cells, and the method comprises the following steps: S1, CAN bus channel configuration, and S2, upper computer software CAN channel data analysis and writing. The fuel cell test bench upper computer using the method has the functions of quickly and conveniently configuring a CAN bus channel, automatically analyzing CAN message data according to imported DBC and automatically indexing the CAN message data to an upper computer interface, so that an engineer is prevented from spending more energy to modify the upper computer due to change of the CAN bus message of a fuel cell system, and the efficiency of the fuel cell test bench is improved. When the method is used, only the configuration file needs to be modified, the development time of upper computer software does not need to be spent, the development period of the upper computer software is shortened ...

Butt-joint oil conveying device

The butt joint oil conveying device comprises a first oil conveying pipe, and a plurality of first connecting plates are evenly arranged on the outer wall of the first oil conveying pipe; the outer ends of the first connecting plates are connected to the inner wall of the second oil conveying pipe. The two ends of the first oil conveying pipe and the two ends of the second oil conveying pipe are connected to the corresponding second connecting plates respectively. The matching assembly is arranged on the outer end faces of the two second connecting plates and used for being connected with the oil storage tank. The supporting assembly is arranged on the outer wall of the second oil conveying pipe and used for fixing the second oil conveying pipe. The problems that an oil delivery ship is generally in butt joint with an offshore floating type production oil storage ship for oil delivery through an oil delivery pipeline, but the oil delivery pipeline and the oil storage ship are poor in sealing ...

Ocean engineering platform deck pipeline system design method

The invention relates to the technical field of deck pipeline arrangement, and particularly discloses an ocean engineering platform deck pipeline system design method which comprises the following steps: determining information of an arrangement area of a pipeline system; determining constraint conditions and design targets of the pipeline system; the pipeline system is divided into a main pipeline part and a branch pipeline part; determining a starting point and an ending point of the main pipeline part; designing a main pipeline path of the main pipeline part in the layout area through a preset algorithm; determining the starting point of the branch pipeline part; and designing a branch pipeline path by starting from the starting point of the branch pipeline and taking the main pipeline path as an end point through a preset algorithm. And combining the main pipeline path and the branch pipeline path. The method can effectively solve the problem that the branch point of the pipeline is ...

Detection system based on atmospheric pressure plasma emission spectrum

The invention discloses a detection system based on atmospheric pressure plasma emission spectrum, belongs to the field of spectrum, and is used for gas detection under atmospheric pressure condition. The system comprises a microwave excitation source, a microwave mild ionization device connected with the microwave excitation source, a gas sample introduction system for introducing gas to be detected into the microwave mild ionization device, and a spectrum measurement system for collecting and detecting a luminescent spectrum, wherein the microwave mild ionization device comprises a plasma generation cavity, a hollow copper column, a copper ring, a hollow quartz tube and a tuning knob. Wherein the tail gas discharging end of the plasma generating cavity is provided with a concave part, a hollow copper column and a copper ring are arranged in the plasma generating cavity, and the copper ring wraps the hollow copper column in a half mode. According to the system, plasma can be generated ...

Method for adjusting humidity through coupling of intercooler and humidifier

The invention discloses a method for adjusting humidity through coupling of an intercooler and a humidifier, and relates to the field of hydrogen fuel cells, a fuel cell stack and an air compressor are included, one side of the air compressor is sequentially connected with an air inlet flow meter and an air inlet air filter, and the air compressor is further provided with an air compressor controller. According to the invention, a system design scheme of coupling control of the intercooler and the humidifier is adopted, so that the humidity state of the outlet of the humidifier at the cathode side of the fuel cell system is changed into an adjustable humidifying performance band from a single curve; therefore, the slope of the demand curve of the original fuel cell stack for the relative humidity of the air cannot be overlapped with the performance curve of the humidifier, and the humidifier can cover the humidity demands of all working condition points of the same stack and the requirements ...

Green plant fertilizing device for landscaping and repairing

The invention relates to a green plant fertilizing device for landscaping and repairing. The green plant fertilizing device comprises a base, a digging assembly connected with the base, a fertilizer discharging assembly and a soil covering assembly. The digging assembly is used for digging soil, and the fertilizer filled in the fertilizer discharging assembly falls into the fertilization pit; the soil covering assembly is used for burying loose soil on the ground into the fertilization pit. The fertilizer discharging assembly comprises a fertilizer bin, a quantifying structure and a discharging structure which are sequentially arranged from top to bottom. The quantitative structure comprises a shell, a rotary disc and a rotary driving part. The upper and lower ends of the shell are respectively connected with the fertilizer bin and the discharging structure; the turntable is arranged in the shell. A fertilizer cavity is formed in the side wall of the turntable; the turntable is driven by ...

Oil storage device with liquid overflow alarm function

The invention relates to an oil storage device with a liquid overflow alarm function. The oil storage device comprises a tank body, and a bearing mechanism is arranged on the inner bottom surface of the tank body; the lower end of the bearing mechanism is connected with a driving mechanism; the driving mechanism is connected with a dial plate mechanism arranged at the upper end of the outer side wall of the tank body; the dial plate mechanism is connected with an alarm mechanism. The oil storage device with the liquid overflow alarm function overcomes the defects that in the prior art, one person forgets to inject oil into a plurality of oil storage devices at the same time, excessive oil injection is caused, and oil overflows.

Resin casting body preparation mold and preparation method

The invention provides a resin casting body preparation mold and a preparation method, and belongs to the technical field of composite material detection.The resin casting body preparation mold comprises a base, an enclosure bulkhead is fixedly connected to the upper portion of the base, the enclosure bulkhead comprises a first half enclosure bulkhead and a second half enclosure bulkhead, and the first half enclosure bulkhead and the second half enclosure bulkhead are symmetrically arranged; a cavity is formed between the enclosure bulkhead and the base, and at least one scale is arranged on the intersection portion of the inner side of the enclosure bulkhead and the cavity. According to the scheme, the flatness of the resin pouring body can be improved.

System data importing method

The invention discloses a system data import method, which relates to the technical field of data processing, and comprises the following steps: in response to a template selection instruction of a user side, sending an import template to the user side; an upload file sent by the user side is received, the upload file is an excel file generated by the user side by adding to-be-imported data according to the import template, and the upload file comprises a position identifier; and according to the position identifier, uploading the to-be-imported data in the uploading file to a target database. The problem that the data importing efficiency of the database of the multiple systems is low is solved.

Waste gas treatment device

The invention relates to the technical field of waste gas treatment devices, and discloses a waste gas treatment device which comprises a ship body, an exhaust pipe is fixedly assembled on the outer edge of the ship body, an exhaust assembly is fixedly assembled at the bottom of the inner wall of the exhaust pipe, a first filter assembly is arranged on the inner wall of the exhaust pipe, and a second filter assembly is arranged on the inner wall of the exhaust pipe. A sealing assembly is arranged on the outer edge of the exhaust pipe, a catalytic decomposition assembly is fixedly assembled on the outer edge of the exhaust pipe, a gas guide pipe is fixedly assembled on the outer edge of the catalytic decomposition assembly, and a gas non-return assembly is arranged on the inner wall of the gas guide pipe. According to the floating type production oil storage and offloading ship, waste gas generated by petroleum processing through the floating type production oil storage and offloading ship ...

Message transmission method

The message transmission method comprises the steps that a server receives a message sent by a message sending terminal, and the message comprises a to-be-sent message and a message sending terminal identifier; the server determines the message level of the to-be-sent message according to the to-be-sent message and the message sending terminal identifier; the message level is used for representing the importance degree of the to-be-sent message; and the server selects different message sending modes according to the message levels, and sends the to-be-sent message to the message receiving terminal. According to the method, different message sending modes can be selected according to the importance degree of the to-be-sent message, so that safe sending of the message is ensured, and occupation of network resources in the message sending process is reduced.

Earthquake-proof experiment device for civil structure

The invention relates to the technical field of civil structure experiments, in particular to a civil structure anti-seismic experiment device which comprises an experiment table and a material placing plate, the material placing plate is used for placing a civil structure, a sliding groove is formed in the upper portion of the experiment table, a moving seat is slidably arranged in the sliding groove, a sliding rod is slidably arranged on the moving seat in a penetrating mode, and the material placing plate is fixed to the upper end of the sliding rod. A bearing plate is arranged on one side of the bottom of the experiment table, a wave groove is formed in the upper portion of the bearing plate, the lower end of the sliding rod makes contact with the wave groove, a rotating disc is rotationally arranged on the other side of the upper portion of the experiment table, a motor used for driving the rotating disc is installed at the bottom of the experiment table, a connecting rod is rotationally ...

Quick unloading frame

The rapid unloading frame comprises a support, a moving device is arranged at the bottom end of the support, a plurality of containing plates are arranged on the outer wall of the support, and the rapid unloading frame comprises an unloading mechanism, a limiting mechanism, a driving mechanism and a power mechanism; the unloading mechanism is used for unloading the boxes on the goods shelf, and the unloading mechanism is arranged on the support; the limiting mechanism is used for limiting the position of the box, and the limiting mechanism is arranged on the unloading mechanism; the moving device is started, the moving device drives the support to move, the support drives the unloading mechanism to be inserted into the goods shelf, the power mechanism is started, the power mechanism drives the driving mechanism to operate, the driving mechanism drives the unloading mechanism to move, and the unloading mechanism shovels the boxes into the unloading mechanism, so that the multiple boxes can ...

Server hardware management method, system and equipment and storage medium

The invention discloses a server hardware management method, which is used for solving the technical problems of equipment failure and data loss easily caused by the fact that all hardware equipment cannot be reasonably utilized in an existing server hardware equipment unified management mode. Comprising the following steps: acquiring state information of all server hardware equipment; establishing a health condition evaluation model of the server hardware equipment based on the state information; determining the health level of each server hardware device based on the health state evaluation model, and performing information interaction between server firmware OPAL and a baseboard management controller BMC to generate an interaction result; and generating a regulation and control strategy of the server hardware equipment based on the interaction result. The health condition evaluation is performed on each hardware device, the control strategy is determined according to the health level ...

Landscaping nursery stock cultivation process

The invention relates to the technical field of agriculture and forestry cultivation, in particular to a cultivation process of landscaping nursery stocks, which comprises the following steps: step 1, planting the landscaping nursery stocks in a cultivation device, so that the landscaping nursery stocks are distributed in an array shape; step 2, adjusting the height of each landscaping nursery stock in the vertical direction through the cultivation device so as to form stepped arrangement with different heights, and adjusting the orientation of the stepped nursery stocks in real time according to the sunlight irradiation direction so as to enable the stepped nursery stocks to face the sunlight irradiation direction all the time; 3, water is supplemented to each landscaping nursery stock all the time through the cultivation device. The garden greening nursery stock cultivation device has the advantage that garden greening nursery stocks can be illuminated more evenly during cultivation.

Large dynamic energy adaptive underwater wireless optical communication device, system and method

The invention discloses a large dynamic energy adaptive underwater wireless optical communication device, system and method, and relates to the field of optical communication. In the underwater wireless optical communication system, a gain-controllable detection module composed of an electric control liquid crystal light valve, a convergent mirror, a gain-adjustable photomultiplier and an FPGA control board card is adopted, and the module forms closed-loop regulation and control on a communication link in two dimensions of link power and detector gain so as to ensure that the photomultiplier always works in an optimal state; the problem of optical signal acquisition failure caused by short-distance power saturation and long-distance power insufficiency in an underwater wireless optical communication link is solved, an effective technical means is provided for underwater long-distance and high-speed wireless optical communication, and the method has a wide application prospect in the field ...

High-efficiency fuel cell thermal management system

The invention discloses an efficient fuel cell thermal management system, which relates to the field of fuel cells and comprises a cooling water pump and a fuel cell stack, and an outlet of the cooling water pump is connected with an inlet of the fuel cell stack. According to the high-efficiency heat management system of the fuel cell system, heat exchange is enhanced through the nanofluid, so that the heat exchange coefficient of the high-efficiency radiator can be enhanced, the heat exchange performance of the high-efficiency radiator is improved, higher-power operation of the fuel cell is realized, the size of the high-efficiency radiator is reduced, the power density and the system compactness of the fuel cell system are improved, and the weight of the whole vehicle is reduced; meanwhile, heat exchange between the nanofluid cooling liquid and a fuel cell stack can be enhanced, the reaction temperature requirement of a membrane electrode noble metal catalyst is met, the electrochemical ...

Construction method of building outer wall composite board

The invention provides a construction method of a building outer wall composite board, and belongs to the technical field of building wall heat preservation. The construction method of the building outer wall composite board comprises the following steps that an outer wall base layer is treated and leveled; a grid snapping line is arranged on the surface of the leveled outer wall base layer; a bearing frame is installed on the outer wall base layer by combining the positions of the grid snapping lines; combining the position of the bearing frame, and pasting a composite board on the outer wall base layer; an anchoring part is installed on the composite board; sealant is injected into gaps of the composite board; downward air holes are formed in the middle of a plate seam of the composite plate or at the joint of four plates; exhausting the bonding surface of the composite board at the vent holes by using an exhaust device; a ventilation piece is mounted at the exhaust hole; cleaning the ...

Server regulation and control method, device, system and equipment and storage medium

The embodiment of the invention provides a server regulation and control method, device, system and equipment and a storage medium, and the method comprises the steps: regulating and controlling an entity monitored by a first sensor PDR through a first effector PDR under the condition that a sensor is mounted on an entity managed by a BMC, storing the entity information monitored by the first sensor PDR in a local PDR warehouse, and storing the entity information monitored by the first sensor PDR in the local PDR warehouse; and receiving a PLDM request sent by a server system component OPAL, obtaining entity information monitored by the first sensor PDR and sending the entity information to the OPAL, so that the OPAL regulates and controls an entity managed by the OPAL through a pre-created second effector PDR according to the entity information. According to the method, the entity information monitored by the sensor is synchronized to the opposite side, and the entity needing to be regulated ...

High-viscosity fluid distribution valve

A high-viscosity fluid distribution valve is characterized by comprising a heat preservation jacket, an upper valve body, an executing mechanism, a heat preservation cover, a flow guide rib and a lower valve body which are sequentially installed together. The upper valve body is provided with an inlet flow channel located in the center of the top of the upper valve body and a plurality of outlet flow channels which surround the inlet flow channel, communicate with the inlet flow channel and extend to the bottom of the upper valve body from top to bottom, and an executing mechanism used for controlling the corresponding outlet flow channel to be opened or closed is installed in each outlet flow channel. And lower valve body outlet flow channels which are communicated with each other and have the same number as the outlet flow channels processed on the upper valve body are processed on the lower valve body.

Structure capable of effectively improving start-up voltage consistency of fuel cell and use method of structure

The invention discloses a structure capable of effectively improving the start-up voltage consistency of a fuel cell and a use method thereof, and relates to the technical field of fuel cells, the structure comprises a galvanic pile, the air input end of the galvanic pile is connected with an air inlet valve, the input end of the air inlet valve is connected with an intercooler, the intercooler is connected with an air compressor, the input end of the air compressor is connected with an air filter, and the air filter is connected with the air inlet valve. The output end of the electric pile is connected with a back pressure valve, a bypass valve is further arranged on one side of the back pressure valve, the output end of the bypass valve is connected with a vacuum pump, and the vacuum pump sucks out residual part of nitrogen in a cavity of the electric pile and then converges the nitrogen into a tail exhaust. Under the condition of the same purging method and gas inlet mode, the startup ...

Fuel cell engine stack packaging and purging structure

The invention discloses a fuel cell engine stack packaging and purging structure, and relates to the technical field of fuel cells, the fuel cell engine stack packaging and purging structure comprises a fuel cell stack, an air filter, an air compressor, an air compressor air inlet pipeline, a packaging and purging air outlet pipeline and a packaging and purging air inlet, and the packaging and purging air inlet uses a ventilation breather valve. According to the fuel cell engine stack package purging structure design, the stack package is purged and replaced in a negative-pressure air suction mode, high-pressure air at the rear end of an intercooler does not need to be introduced, waste of the high-pressure air is avoided, and the fuel cell engine stack package purging structure has higher economical efficiency; high-pressure positive-pressure purging is replaced by negative-pressure purging gas extraction, so that the problem of insulation caused by backward flowing of tail drainage water ...

Method for preparing aluminum-doped tubular magnesium fluoride from electrolytic aluminum overhaul slag

The invention belongs to the technical field of resource utilization of fluoride in solid waste electrolytic aluminum overhaul slag, and particularly discloses a method for preparing aluminum-doped tubular magnesium fluoride from electrolytic aluminum overhaul slag, the method comprises the following steps: grinding and sieving the overhaul slag, carrying out water bath reaction, and carrying out suction filtration to obtain the aluminum-doped tubular magnesium fluoride; the preparation method comprises the following steps: mixing a metal magnesium fluoride precursor with sodium fluoride and a solution containing aluminum ions under chelation reaction of a chelating agent and magnesium salt and ultrasonic conditions, carrying out hydrothermal reaction in a reaction kettle for 1-2 hours, drying in a drying oven, grinding, and finally roasting in a tubular furnace to obtain the metal magnesium fluoride catalyst for catalytic reaction, the specific surface area of which is greater than 180m ...

Wind-resistant mooring positioning device

The invention discloses a wind-resistant mooring positioning device which comprises the ground of a port, a plurality of up-down mechanisms and rope winding mechanisms are arranged on the ground, each up-down mechanism is provided with an extending mechanism and a transition mechanism, each extending mechanism is provided with a corner mechanism and a separation mechanism, and each corner mechanism comprises a second hydraulic cylinder, a first movable shaft and a second movable shaft. The first movable frame is connected to the upper surface of the rotating seat, the second movable frame is connected to the upper surface of the cross rod, the surface of the first movable frame is movably connected with the second movable shaft, the surface of the second movable frame is movably connected with the first movable shaft, and the second hydraulic cylinder is movably connected to the surface of the first movable shaft; and a telescopic rod of the second hydraulic cylinder is movably connected ...