THERMAL POWER GENERATION SYSTEM COMPRISING PELLET DRYING SECTION

13-12-2017 дата публикации
Номер:
KR1020170137516A
Принадлежит:
Контакты:
Номер заявки: 00-16-102069775
Дата заявки: 03-06-2016

[1]

The present invention refers to a pellet drying including coal fired power generation system relates to search, more particularly to a system for producing fuel for drying pellets using pellet drying including a pipe are disclosed.

[2]

Power plant facility in which additionally arrangement comprised of a first shield is smaller than the aluminum etc. through the power plant. In the case of coal fired power plant operating in conjunction with a complex local heating, (HRSG, Heat Recovery Steam Generator) [...] end exhaust heat recovery system implemented through the arrangement by etc. for the production and supply of heating water area.

[3]

The low temperature discharged power plant equipment include low temperature range of suturing exhaust heat recovery device for recovering arranged makes it difficult to exhaust gas, and to recover a huge array is converted mirror number number-door provision is coming in now.

[4]

The, as well as other cookies (biomass) biomass like wood pellet fuel (pellet fuel) using various using furnace etc. tend to gradually increased.

[5]

On the other hand, said furnace such as pellet fuel storage order the fuel stored in the fuel pellet fuel burner furnace through transfer and supply accomplishing.

[6]

However, the fuel reservoir stored pellet fuel fuel storage temperatures between external surface on its difference according to pellet fuel moisture is retained or delamination occurs many, generator fuel feed difficulties such as radial support point that door number, such door number point region and a beach area data stored in particular arguments.

[7]

In addition, the fuel supplied to the burner through car than the pellet fuel moisture, moisture content by a present combustion property is enhanced pellet peripheral surface of like number that has been point at the door.

[8]

The present invention refers to method of and cold exhaust gas from the fuel in the form of power plant including a power plant system for drying pellets pellets number etched during drying.

[9]

Korean publicized patent number 10 - 2015 - 0113753 call (2015. 10. 08. Disclosure)

[10]

The present invention refers to a drying system for drying pellets used to fuel the power plant including a number or the [...] intended.

[11]

The driven pulley of the present invention for achieving one in the embodiment according to coal fired power generation system includes a fuel fired furnace combustion gas and an exhaust line head including coal fired power generating system wherein a, comprising a used fuel is dried pellet drying, said exhaust line outlet-side end and exhaust stack, said exhaust stack to said exhaust duct constituting a connection between the furnace exhaust line is provided with said drying said pellets characterized using thermal energy of combustion gas drying.

[12]

And, in the embodiment according to the determination of the power generation system of the present invention obtain fuel fired furnace combustion gas and one exhaust line including coal fired power generating system wherein a, which is used as a fuel is dried pellet drying; and drying said transferring said thermal energy of combustion gas exhaust line connected to said heat exchange unit; and, said heat exchange unit the delivery thermal energy using drying said pellets characterized.

[13]

Wherein, said exhaust line outlet-side end and exhaust stack, said heat exchange unit is located between said furnace exhaust stack can be located.

[14]

Said heat exchange unit is provided in a heat exchanger and said exhaust line number 1, a heat exchanger spaced from said outside air through said number 1 can be drying.

[15]

Or, said heat exchange unit comprises a heat exchanger provided inside said drying and number 2, through which a combustion gas exhaust line to be changed is said second magnetic said number 2 disapproval.

[16]

Or, said heat exchange unit comprises said exhaust line and said provided number 1 and number 2 provided to the interior drying heat in a heat exchanger, the heat exchange section and two said number 1 and number 2 heat waste passage, said working fluid flow waste furnace disapproval.

[17]

Or, said heat exchange unit comprises said exhaust line through which a combustion gas inlet to the gas injection lances can be drying said connection.

[18]

In another embodiment form, drying said pellets to supply pellets supply; and drying said pellet supply unit further comprising a moisture sensor measuring said moisture content between pellet number 1, said number 1 drying moisture measured by said moisture sensor pellet because turned in pellet drying time can be increase.

[19]

Or, drying said pellets dried in the differentiator [...] grinding said throw-furnace number; and drying the pellets fed between said differential controller further comprising a moisture sensor measuring moisture content number 2, moisture sensor by said number 2 measured by pellet because moisture through said bypass line turned back to supply drying pellets may be filled.

[20]

On the other hand, the present invention refers to obtain said combustion gas and an exhaust line fuel fired furnace and said exhaust line including a coal fired power generation system as the number of drying pellets using thermal energy drying method, drying said pellets from a supply to a pellet to pellet supply phase supply; on, drying said pellets in drying step; and

[21]

Transferring said differential drying dried pellets into pellet transfer phase; wherein, said pellet transfer phase, said moisture content measuring number 2 conveyed pellet moisture content measurement steps; and said number 2 because of moisture content in said pellet drying when moisture is measured between pellet supply line that is linked to the supply unit and returning bypass step further comprises pellets through a bypass line.

[22]

Wherein, when said number 2 in moisture content is measured because of moisture can be installed to reduce the rate of conveyor for transferring said dryer.

[23]

And, said pellet supply phase supplied to the pellet drying said moisture content measuring moisture measurement number 1 further comprising, in said number 1 moisture measurement because of moisture is measured when said dryer installed conveyor transfer to reduce the rate of disapproval.

[24]

According to the present invention, dried to a power plant by using pellets of fuelling, pellet fuel many phenomenon can be prevent door number during grinding WIPO. In addition amount of pellet fuel pellets can be height can be removed by thermal efficiency.

[25]

Figure 1 indicating power plant system illustratively are disclosed. In the embodiment according to Figure 2 of the present invention to pellets in the form of drying coal fired power generation system provided with one exhaust duct by a goniophotometer. In the embodiment according to Figure 3 of the present invention drying pellet is placed inside the exhaust gas out from one exhaust duct outside of the type coal fired power generation system heating drying by a goniophotometer. In the embodiment according to Figure 4 of the present invention exhaust duct outside drying pellet is placed inside the exhaust gas driving in one drying device of the type using a heat exchange provided heating drying coal fired power generation system by a goniophotometer. In the embodiment according to Figure 5 of the present invention exhaust duct outside one of the type using heating drying drying pellet is placed inside the heat exchange device is the determination of the power generation system by a goniophotometer. In the embodiment according to Figure 6 of the present invention one pellet is placed inside the exhaust duct outside of the type of returning exhaust gas heating drying drying drying coal fired power generation system by a goniophotometer. In the embodiment according to Figure 7 of the present invention in the form of coal fired power generation system with one bypass line drying pellets by a goniophotometer. Figure 8 shows a method of the present invention according to coal fired power generation system indicating the order number also are disclosed.

[26]

Hereinafter, the present invention through a portion of an exemplary drawing implement in the embodiment detailed as follows. Each of the drawings in adding references components, although other drawing even for the same components displayed on a possible code accomplishing the same may have a significantly negative. In addition, so that the of the present invention in the embodiment described, publicly known or a function of the specific description associated according to a description of the present invention in the embodiment determines that would operated dispensed to each other.

[27]

In addition, components of the present invention in the embodiment described is provided to, number 1, number 2, A, B, (a), (b) using terms such as can be. Other components such terms having an element discriminate between the hell of, its terms corresponding components are not limited by the nature of the or the like or sequence. Any component and other components "connected", "coupled" or "connected" are blocked when described, other constituents are connected directly or connected component although, another component indirectly "connected" interposed between components each, "coupled" or "connected" is a device that may be will be.

[28]

Figure 1 coal fired power generation system (10) visually representing to exemplify the are disclosed.

[29]

Figure 2 shows a of Figure 1 coal fired power generation system (10) simplifies the represent the apparatus being, exhaust line (50) internal, i.e. exhaust line (50) is provided in the embodiment of indicating drying duct to form are disclosed. Catalytic reduction catalyst (SCR) selected drawing device (20), exhaust stack (30), furnace (40), exhaust line (50), drying (100) and number 1 heat exchange section (110) is shown disclosed. With reference to, the electrostatic precipitator (ESP) time 60 described in Figure 1 is not indicative of the other.

[30]

Furnace (40) pellet combustion in a combustion gas is generated. Furnace (40) is provided at the upper heat exchanger (15) is arranged in the furnace (40) subjected to the heat generated during a transfer. Furnace (40) produced in the gas exhaust line (50) selective reduction catalyst device along (20) via exhaust stack (30) are discharged to the outside through.

[31]

Drying (100) for drying the pellets as an integral component, pellet moisture content appropriate level barrier film. Thus, pellet mill (300) when be ground through a differentiator (300) is trained between the differentiator (300) to reduce the risk of failure in a, combustion pellet moisture can be first and second latent heat due to the combustion gas.

[32]

Drying (100) the selected catalytic reduction catalyst device (20) combustion gas pellets through the drying chamber. I.e., selective reduction catalyst device (20) through the combustion gases exhaust line (50) to form both an exhaust duct, the exhaust ducts and drying (100) by providing combustion gas of heat pellets using dry to the touch with each other.

[33]

Drying said (100) includes a conveyor for conveying the inner to pellets (105) having a predetermined wavelength. About 200 °C temperature of combustion gas is provided inside and outside of the filled pellet drying conveyor (105) ride in passing the dried form. In the embodiment hereinafter described in other drying (100) conveyor even (105) can be in the form pellets drying embodiment form is applied, without redundant description associated special assessment step under the on-sensors other.

[34]

Figure 3 indicating drying pellets using one exchange unit in the embodiment are disclosed. In the same manner as coal fired power generation system 2 also on (10) simplifies the precursor, drawing selected catalytic reduction catalyst device (20), exhaust stack (30), furnace (40), exhaust line (50), drying (100), the heat exchanging unit number 1 a heat exchange section (110) is shown disclosed.

[35]

Furnace (40) pellet combustion gas is generated in the air. Furnace (40) is provided at the upper heat exchanger (15) are provided and furnace (40) subjected to the heat generated during a transfer. Furnace (40) produced in the gas exhaust line (50) selective reduction catalyst device along (20) via exhaust stack (30) are discharged to the outside through.

[36]

Drying (100) for drying the pellets as an integral component, pellet moisture content appropriate level barrier film. Thus, pellet mill (300) when be ground through a differentiator (300) is trained between the differentiator (300) to reduce the risk of failure in a, combustion pellet moisture can be first and second latent heat due to the combustion gas.

[37]

Drying (100) the selected catalytic reduction catalyst device (20) combustion gas pellets through the drying chamber. The, subjected through transfer thermal energy of combustion gas exchange unit. 3 Number 1 also appears in the heat exchange unit comprises heat exchange section (110) which represented, and the other end point of Figure 2 in the embodiment drying (100) is exhaust line (50) is connected to the external exhaust duct forming instead of number 1 not installed outside the heat exchange section (110) that indirectly via air through heat of combustion gas delivery Company are disclosed.

[38]

Number 1 heat exchange section (110) the selected catalytic reduction catalyst device (20) on exhaust stack (30) between the exhaust line (50) arranged interiorly exchange unit are disclosed. Number 1 heat exchange section (110) is introduced into air exhaust line (50) through the combustion gas after heat drying (100) introduced into the substrate. Drying (100) with a predetermined length from the outside air dried pellets after drying (100) discharged to the outside substrate. Drying the outside air discharged (100) atmosphere directly in a predetermined time interval lapses and an orifice, selective reduction catalyst device same (20) on exhaust stack (30) between the exhaust line (50) is returned to the exhaust stack (30) is blown into an atmosphere with the combustion chamber through the disapproval.

[39]

Figure 4 indicating drying pellets using one exchange unit in the embodiment are disclosed. Figure 4 shows a also coal fired power generation system (10) simplifies the represent the apparatus being, selective reduction catalyst device (20), exhaust stack (30), furnace (40), exhaust line (50), drying (100), the number 2 and the other heat exchange unit (120) is to be provided.

[40]

Number 2 heat exchange section (120) comprises a drying (100) arranged interiorly exchange unit are disclosed. Number 2 heat exchange section (120) selected catalytic reduction catalyst device (20) on exhaust stack (30) between the exhaust line (50) introduced into the combustion gas through the drying (100) inside heat exchange has a plurality of hierarchies. Temperature is raised stuck on the (100) internal air drying pellets reaction chamber. Number 2 heat exchange section (120) because the combustion gases combustion product through the selective reduction catalyst device don't discharge atmosphere (20) on exhaust stack (30) between the exhaust line (50) as they are and to back into the exhaust stack (30) preferably is blown into an atmosphere through will.

[41]

Figure 5 shows a heat exchange unit also indicating drying pellets using one in the embodiment will, drawing selected catalytic reduction catalyst device (20), exhaust stack (30), furnace (40), exhaust line (50), drying (100), the heat exchanging unit number 1 a heat exchange section (110) and number 2 heat exchange section (120) is to be provided.

[42]

Drying (100) the selected catalytic reduction catalyst device (20) combustion gas pellets through the drying chamber. At this time, through transfer thermal energy of combustion gas exchange unit subjected. 5 Also appears in the heat exchange unit comprises number 1 heat exchange section (110) and number 2 heat exchange section (120) comprises both.

[43]

Number 1 heat exchange section (110) the selected catalytic reduction catalyst device (20) on exhaust stack (30) between the exhaust line (50) exchange unit arranged interiorly corresponding to other. Number 2 heat exchange section (120) comprises a drying (100) exchange unit arranged interiorly corresponding to other. Number 1 heat exchange section (110) number 2 on the front heat exchange section (120) is wired, and one waste oil passage entrance piping are connected to each other, each heat exchange for carrying out waste to working fluid flow to be coated.

[44]

Working fluid is number 1 heat exchange section (110) absorb thermal energy from the combustion gas passed a, number 2 heat exchange section (120) passed a drying (100) emit thermal energy to air. To increase thermal energy emitted into a drying (100) air is returning drying pellets.

[45]

Figure 6 pellets without indicating one drying heat exchange unit in the embodiment are disclosed. Drawing selected catalytic reduction catalyst device (20), exhaust stack (30), furnace (40), exhaust line (50), drying (100), and connection pipe (130) shown in the nanometer range.

[46]

Drying (100) the selected catalytic reduction catalyst device (20) combustion gas pellets through the drying chamber. At this time, connection pipe (130) is connected with the reduction catalyst device (20) through a portion of the combustion gas drying (100) introduced into the substrate. Drying (100) with a predetermined length from the combustion gases pellets after drying drying (100) discharged to the outside substrate. Combustion product discharged combustion gas atmosphere because selective reduction catalyst device don't discharge (20) on exhaust stack (30) between the exhaust line (50) as they are and to back into the exhaust stack (30) preferably is blown into an atmosphere through will.

[47]

On the other hand, in the embodiment according to Figure 7 of the present invention one pellet supply (200) on the differentiator (300) including a drying pellets coal fired power generating system wherein a, bypass line (400) including in the embodiment a 2001 KIPO.

[48]

As shown in 7 also drying (100) supplied to the pellets pellet supply (200) through drying (100) feed. Wherein, pellet supply (200) drying from (100) supply in the process where the pellet to pellet moisture content measuring moisture sensor number 1 (210) is pair of substrates.

[49]

On the other hand, drying (100) where the dried pellets differentiator (300) in crushing of the furnace (400) feed. Drying (100) in a differentiator (300) supplied to one side of the pellet supply line number 2 moisture sensor (310) is provided differentiator (300) to be supplied to the pellet moisture content measuring substrate.

[50]

Hereinafter moisture sensors in said number 1 (210) and number 2 moisture sensor (310) associated with coal fired power generation system (10) number of the described method to less than 1000.

[51]

1 SnO number 1 moisture sensor (210) by drying (100) when measured in a certain amount or more supplied to the pellet moisture, drying said (100) conveyor (105) to slow the drying time by increasing the number of proceeding speed preferably. In addition, pellet supply (200) considering the pellet can be fed in addition reduce the amount.

[52]

On the other hand, moisture sensor said number 2 SnO 2 (310) by a differentiator (300) is supplied to the moisture in the pellet in a certain amount or more measured, 7 also shown in bypass line (400) through drying pellets (100) is fed back to can take into consideration a disclosed. The, bypass line (400) a branch (410) is drying (100) comprises a differentiator (300) between, and pellet supply (200) on drying (100) have a formed in the semiconductor substrate. While at the same time said conveyor (105) to slow down a running speed of the bearing in addition to improve the degree number by pellet drying can take into consideration a disclosed.

[53]

Above, all constituting components of the present invention in the embodiment described or purchasers to operate in conjunction with it, the present invention are not necessarily limited to such in the embodiment are not correct. I.e., the purpose of the invention [...] ranges, all its components selectively operate in conjunction with one or more disapproval. In addition, described above "comprising", such as "constituting disclosed" or the term "having disclosed", without a specially opposite substrate, a return electrode components can be embedded in the corresponding three, but [...] number further comprises other components of the other components of the should be interpreted. All the terms including the scientific or technical, not defined differently, the present invention belongs will generally by the same person with skill in the art in the art of reconciliation is disclosed. The pre-defined semantics and providing language translators associated technology terms commonly used terms a match must be interpreted, it is apparent that in the present invention broadly define not, or overly formal sense interpreted not ideal.

[54]

A feature of the present invention sends more description is provided to exemplify the generally described, the present invention if the properties of the present invention is provided to essentially inputted from deviating from a person with skill in the art in various modifications and deformable will. Thus, the present invention in the embodiment of the present invention are to define the disclosure but rather to explain the feature and, in the embodiment of the present invention by not the limited range of such feature. Under the protection range of the present invention must be interpreted by fee so as to range, and the range of the present invention feature in a range equal to all rights will be interpreted.

[55]

10: Coal fired power generation system 20: Selective reduction catalyst device 30: Exhaust stack 40: Furnace 50: Exhaust line 100: Drying 105: Conveyor 110: Number 1 heat exchange section 120: Number 2 heat exchange section 130: Connection pipe 200: Pellet supply 210: Number 1 moisture sensor 300: Differentiator 310: Number 2 moisture sensor 400: Bypass line 410: Bifurcation



[1]

A thermal power generation system is disclosed. The thermal power generation system having a furnace in which fuel is burned and an exhaust line discharging combustion gas comprises: a drying unit in which a pellet used for fuel is dried; and a heat exchange unit connected to the exhaust line, and transmitting thermal energy of the combustion gas to the drying unit. Moreover, with the thermal energy, the pellet is dried in advance before being supplied to a pulverizing mill.

[2]

COPYRIGHT KIPO 2018

[3]



Fuel fired furnace combustion gas and an exhaust line head including power plant system, comprising a used fuel is dried pellet drying, said exhaust line outlet-side end and exhaust stack, said exhaust stack to said exhaust duct constituting a connection between the furnace exhaust line is provided with said drying said pellets characterized using thermal energy of combustion gas drying coal fired power generation system.

According to Claim 1, said drying, drying said pellets including simultaneously carrying conveyor characterized-coal power generation system.

Fuel fired furnace combustion gas and an exhaust line head including power plant system, which is used as a fuel is dried pellet drying; and drying said transferring said thermal energy of combustion gas exhaust line connected to said heat exchange unit; and, said heat exchange unit the delivery thermal energy using drying said pellets characterized coal fired power generation system.

According to Claim 3, exhaust line outlet-side end and said exhaust stack, said heat exchange unit comprises coal fired power generation system including said furnace exhaust stack located located characterized.

According to Claim 4, said heat exchange unit is provided in a heat exchanger and said exhaust line number 1, in a heat exchanger outside air entering through said number 1 characterized by drying said coal fired power generation system.

According to Claim 5, said heat exchange unit comprises a heat exchanger provided inside said drying and number 2, through which a combustion gas exhaust line entering said heat exchange section is characterized in that said number 2 power plant system.

According to Claim 6, said heat exchange unit comprises said exhaust line and said provided number 1 and number 2 provided to the interior drying heat in a heat exchanger, the heat exchange section and two said number 1 and number 2 heat waste passage, characterized in that said waste oil furnace coal fired power generation system working fluid flow.

According to Claim 3, said heat exchange unit comprises said exhaust line through which a combustion gas inlet including drying said connection piping characterized-coal power generation system.

According to Claim 1 or Claim 3, drying said pellets to supply pellets supply; and drying said pellet supply unit further comprising a moisture sensor measuring said moisture content between pellet number 1, said number 1 measured by drying said pellet moisture sensor because moisture turned increasing coal fired power generation system characterized in pellet drying time.

According to Claim 1 or Claim 3, grinding said dried in said drying furnace pellets [...] throw-number the differentiator; and drying the pellets fed between said differential controller further comprising a moisture sensor measuring moisture content number 2, moisture sensor by said number 2 measured by pellet because moisture is fed back to said bypass line turned through drying pellets characterized coal fired power generation system.

Fuel fired furnace located combustion gas and an exhaust line comprising said exhaust line including a number of drying coal fired power generation system using thermal energy as the pellets drying method, drying said pellets from a supply to a pellet to pellet supply phase supply; drying said pellets in drying step; and transferring said differential drying dried pellets into pellet transfer phase; wherein, said pellet transfer phase, said moisture content measuring number 2 conveyed pellet moisture content measurement steps; and said number 2 because of moisture content in said pellet supply unit when moisture is measured between pellet supply line that is linked to the drying pellets through bypass line further including bypass flow and returning the number method characterized-coal and electric power system.

According to Claim 11, said number 2 in moisture content because of moisture is measured when said dryer installed to reduce the number of moving direction of the conveyor characterized method is the determination of the power generation system.

According to Claim 11, said pellet supply phase supplied to the pellet drying said moisture content measuring moisture measurement number 1 further comprising, in said number 1 moisture measurement because of moisture is measured when said dryer installed conveyor characterized method to reduce the number of moving coal fired power generation system.