CN104538658B - Scalable CO2the MCFC combined power system of the response rate and operation method - Google Patents

Scalable CO2the MCFC combined power system of the response rate and operation method Download PDF

Info

Publication number
CN104538658B
CN104538658B CN201410837807.0A CN201410837807A CN104538658B CN 104538658 B CN104538658 B CN 104538658B CN 201410837807 A CN201410837807 A CN 201410837807A CN 104538658 B CN104538658 B CN 104538658B
Authority
CN
China
Prior art keywords
mcfc
air
heat exchanger
battery pile
response rate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201410837807.0A
Other languages
Chinese (zh)
Other versions
CN104538658A (en
Inventor
段立强
乐龙
杨勇平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
North China Electric Power University
Original Assignee
North China Electric Power University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by North China Electric Power University filed Critical North China Electric Power University
Priority to CN201410837807.0A priority Critical patent/CN104538658B/en
Publication of CN104538658A publication Critical patent/CN104538658A/en
Application granted granted Critical
Publication of CN104538658B publication Critical patent/CN104538658B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/14—Fuel cells with fused electrolytes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10—Adaptations for driving, or combinations with, electric generators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
    • H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
    • H01M8/0662—Treatment of gaseous reactants or gaseous residues, e.g. cleaning
    • H01M8/0668—Removal of carbon monoxide or carbon dioxide
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/14—Fuel cells with fused electrolytes
    • H01M8/144—Fuel cells with fused electrolytes characterised by the electrolyte material
    • H01M8/145—Fuel cells with fused electrolytes characterised by the electrolyte material comprising carbonates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/14—Fuel cells with fused electrolytes
    • H01M2008/147—Fuel cells with molten carbonates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Abstract

The invention belongs to MCFC combined power system technical field, particularly to a kind of scalable CO2The MCFC combined power system of the response rate and operation method.The integrated ITM of the present invention replaces cryogenic air separation unit device to produce pure oxygen, and it is sent into afterburner in the lump with galvanic anode aerofluxus and burns completely, and product only has CO2And H2O, provides the CO needed for cathode reaction with rear portion exhaust cycle to cell cathode2, remainder passes through waste heat boiler recovery waste heat, tail gas and air heat-exchange condensation water, remaining CO2Using the three cold carbon-dioxide gas compressors of inter-stage to be compressed into liquid, a circulation set up by cell cathode, by changing the CO of recyclegas ratio scalable MCFC combined power system2The response rate.System takes full advantage of the high-temperature exhaust air waste heat of MCFC, temperature boil on the nape opposite the mouth, reduces separation and catch CO while improving system effectiveness2Energy consumption, saves energy, this new system is by cathode circulation scalable CO set up simultaneously2The response rate.

Description

Scalable CO2The MCFC combined power system of the response rate and operation method
Technical field
The invention belongs to molten carbonate fuel cell (MCFC) combined power system technical field, particularly to a kind of scalable CO2The MCFC combined power system of the response rate and operation method.
Background technology
Greenhouse gases excessive emissions exacerbates greenhouse effect, as topmost greenhouse gases, CO2Reduction of discharging caused the whole world extensive concern.Traditional generation mode is because being limited by Carnot cycle, and generating efficiency is relatively low, and traps CO2Efficiency can be made to decline further.And molten carbonate fuel cell (MCFC) product electricity is by electrochemical reaction process, breaches the restriction of Carnot's cycle efficiency, and its delivery temperature is high, it is easy to other system integration, improve system effectiveness further.The pure oxygen simultaneously utilizing ITM low energy consumption to prepare can make unreacted fuel gas burn completely and generate CO2And H2O, it is easy to separate, can at utmost avoid N in air2For CO in aerofluxus2Blending, make CO2Trapping energy consumption is greatly reduced.
Summary of the invention
The invention provides a kind of scalable CO2The MCFC combined power system of the response rate and operation method, by avoiding CO in aerofluxus by MCFC cathode and anode bypassing exhaust2Due to N2Blending the problem causing separating energy consumption too high, and utilize the advantage that ITM oxygen energy consumption is low, reduce combined power system total energy consumption further, reducing MCFC combined power system because reclaiming CO2The efficiency punishment brought, simultaneously by setting up MCFC cathode exhaust recycle, can realize combined power system CO2The regulation of the response rate.
The technical scheme that combined power system of the present invention uses is:
After first via air line is connected with the 3rd heat exchanger, the 4th heat exchanger, the second blender, the second heat exchanger successively, access the negative electrode of MCFC battery pile；After second road air line is connected with air compressor, First Heat Exchanger successively, accessing the feed side of ITM unit, First Heat Exchanger is arranged in afterburner；After fuel channel is connected with the first blender, pre-reformer successively, access the anode of MCFC battery pile；
The anode exhaust of MCFC battery pile is connected with the first separator, is then divided into two-way, is connected with the first blender, afterburner respectively；The cathode exhaust vent of MCFC battery pile is connected with the second separator, is then divided into two-way, a road to be connected with waste heat boiler and turbine system, and another road is connected with the second blender；
After the outlet of afterburner is connected with the second heat exchanger, accesses the 3rd separator, be then divided into two-way, be connected with waste heat boiler and turbine system, the second blender respectively；
After the feed side outlet of ITM unit is connected with air turbine, the 4th heat exchanger successively, waste gas enters air；The per-meate side outlet of ITM unit takes back afterburner；
The air vent of waste heat boiler and turbine system is connected with the 3rd heat exchanger, condenser, the three cold carbon-dioxide gas compressors of inter-stage successively；
The outfan of MCFC battery pile is connected by AC/DC converter and the first electromotor.
In described ITM unit, oxygen ion transport film uses atresia, hybrid conductive, has the ceramic membrane of electronics and ionic conductivity, and its running temperature is 900 DEG C；The side air inlet of ITM unit raw material is High Temperature High Pressure air, exports as oxygen denuded air, and per-meate side outlet is pure oxygen；ITM unit raw material side and per-meate side oxygen partial pressure force rate are 6.3.
The described three cold carbon-dioxide gas compressors of inter-stage are composed in series by three-stage blower, cooler.
Described waste heat boiler and turbine system and the second electromotor connect.
Described air turbine is connected with the 3rd electromotor.
Described integrated ITM scalable CO of one that the present invention provides2The operation method of the MCFC combined power system of the response rate, its process is:
The portion discharge that fuel under room temperature loops back with MCFC cell stack anode in the first blender mixes preheating, and enters generation pre-reforming reaction in pre-reformer, and the anode subsequently entering MCFC battery pile provides anode reaction gas；After first via air under room temperature sequentially passes through the 3rd heat exchanger, the 4th heat exchanger heat exchange, the portion discharge looped back with MCFC stack cathode in the second blender and afterburner portion discharge mix further preheating, with after after the second heat exchanger be heated to 650 DEG C, enter MCFC stack cathode cathode reaction gas be provided；
The anode exhaust of MCFC battery pile is divided into two-way through the first separator: a road enters the first blender pre-heating fuel and prevents carbon distribution in reforming process, and another road enters the afterburner remaining unreacting gas of burning；The cathode exhaust gas of MCFC battery pile is divided into two-way through the second separator: a road loop back battery pile before the second blender in preheated air regulate system CO simultaneously2The response rate, another road enters air after entering waste heat boiler and turbine system recovery waste heat；The outfan of MCFC battery pile drives the first electrical power generators；
The second road air under room temperature enters the heat exchanger within afterburner after air compressor compresses and is heated to 900 DEG C, it is subsequently passed ITM unit raw material side entrance, the oxygen denuded air of ITM unit raw material side outlet carries out heat exchange after air turbine expansion work with the 4th heat exchanger, and the pure oxygen of ITM unit per-meate side outlet enters afterburner；It is divided into two-way through the 3rd separator: a road enters the second blender and provides MCFC stack cathode reacting gas CO after afterburner exiting exhaust gas and the second heat exchanger heat exchange cooling2, another road enters waste heat boiler and turbine system recovery waste heat, waste heat boiler and turbine system tail gas enter the three cold carbon-dioxide gas compressors of inter-stage respectively after the 3rd heat exchanger heat exchange, condenser separate out water, prepares liquid CO2。
Described air compressor outlet pressure is 30atm.
The invention have the benefit that
Molten carbonate fuel cell (MCFC) electricity generation process is electrochemical reaction, is not limited by Carnot's cycle efficiency, and efficiency is high, utilizes that its high-temperature exhaust air is integrated with steam circulation can further improve generating efficiency；The ITM generation pure oxygen using oxygen energy consumption processed low makes battery unreacting gas burn completely and generates CO2And H2O, a portion can be used for providing cell cathode reaction desired gas, and another part can obtain high-purity CO through simple condensation moisture2Gas is used for compressing and liquefying storage；By setting up the CO of the MCFC whole combined power system of cathode circulation scalable2The response rate.
Accompanying drawing explanation
Fig. 1 is not for reclaim CO2MCFC composite power benchmark system structural representation.
Fig. 2 is integrated ITM scalable CO of the present invention2The MCFC combined power system structural representation of the response rate.
Label in figure:
1-the first blender；2-pre-reformer；3-the first separator；4-MCFC battery pile；5-AC/DC converter；6-the first electromotor；7-afterburner；8-First Heat Exchanger；9-the second separator；10-the second heat exchanger；11-the 3rd separator；12-waste heat boiler and turbine system；13-the second electromotor；14-the 3rd heat exchanger；15-the 4th heat exchanger；16-the second blender；17-condenser；The cold carbon-dioxide gas compressor of 18-tri-inter-stage；19-air compressor；20-ITM unit；21-air turbine；22-the 3rd electromotor.
Detailed description of the invention
The invention provides a kind of scalable CO2The MCFC combined power system of the response rate and operation method, below by the drawings and specific embodiments, the present invention will be further described.
Benchmark system is not for reclaim CO2System, its structure chart is as shown in Figure 1.Fuel enters pre-reformer 2 after the first blender 1 mixes with the segment anode aerofluxus looped back and reforms, subsequently enter the anode of MCFC battery pile 4, air preheats through the second heat exchanger 10 after the second blender 16 mixes with the part afterburner aerofluxus looped back, subsequently enter the negative electrode of MCFC battery pile 4, battery pile is internal there is electrochemical reaction, exports electric energy by AC/DC converter 5 and the first electromotor 6.Hereafter anode exhaust is divided into two-way through the first separator 3: a road loops back the first blender 1 pre-heating fuel and prevents reformation carbon distribution, and another road is sent into afterburner 7 together with cathode exhaust gas and burnt.Burning and gas-exhausting is divided into two-way after the second heat exchanger 10 cooling: a road loops back the second blender 16 preheated air and provides the CO needed for stack cathode reaction simultaneously2, another road enters waste heat boiler and turbine system 12 recovery waste heat produces Steam Actuation steam turbine and produces merit, exports electric energy by the second electromotor 13, and last cryopumping is directly discharged into air.
The present invention, based on benchmark system, proposes integrated ITM scalable CO2The MCFC combined power system of the response rate, structure chart is as shown in Figure 2.Fuel enters pre-reformer 2 after the first blender 1 mixes with the segment anode aerofluxus looped back and reforms, subsequently enter the anode of MCFC battery pile 4, after 1. first via air sequentially passes through the 3rd heat exchanger the 14, the 4th heat exchanger 15 preheating, enter the second blender 16 to mix with part afterburner 7 aerofluxus and part cathode exhaust gas, the negative electrode of MCFC battery pile 4 is entered after then passing through the second heat exchanger 10 heating, battery pile is internal there is electrochemical reaction, exports electric energy by AC/DC converter 5 and the first electromotor 6.The cathode exhaust gas of MCFC battery pile 4 is divided into two-way through the second separator 9: a road loops back the second blender 16 preheated air and regulates system CO2The response rate, another road enters waste heat boiler and turbine system 12 recovery waste heat.The anode exhaust of MCFC battery pile 4 is divided into two-way through the first separator 3: a road loops back the first blender 1 pre-heating fuel and prevents reformation carbon distribution, and another road enters afterburner 7 and burns.Needed for afterburner 7,2. oxygen provided by the second road air, 2. second road air enters the First Heat Exchanger 8 within afterburner 7 after air compressor is compressed to 30atm and is heated to 900 DEG C, subsequently enter ITM unit 20, it is separated into two strands: one is the pure oxygen (pressure 1atm) of per-meate side outlet, sends into afterburner 7 combustion-supporting at this air；Another strand is the oxygen denuded air of feed side outlet High Temperature High Pressure, expands through air turbine 21 and drives the 3rd electromotor 22 to generate electricity, and the gas after expansion enters air after the 4th heat exchanger 15 preheated air.Afterburner 7 aerofluxus is divided into two-way after the second heat exchanger 10 cooling by the 3rd separator 11: a road enter the second blender 16 preheated air and MCFC battery pile 4 cathode reaction be provided needed for CO2Gas, another road enters waste heat boiler and turbine system 12 recovery waste heat, and its aerofluxus, after the 3rd heat exchanger 14 preheats Cryogenic air, separates out water by condenser 17, the high-purity CO obtained2Gas is sent into the three cold carbon-dioxide gas compressors of inter-stage 18 and is compressed and liquefied and obtain liquid CO2。
Below in conjunction with example, the effect of the present invention is described further.
Do not reclaim CO2Benchmark system and integrated ITM scalable CO2The MCFC combined power system of the response rate is assumed and identical parameter value based on identical.Table 1 lists system postulation condition and Selecting All Parameters.
Table 1 system postulation parameter
Battery operating temperature 650℃ Operating pressure 1atm
Propellant composition CH4 Fuel flow rate 0.226kmol/s
Steam/carbon ratio 3.5 Electric current density 1500A/m2
MCFC heat loss 2% DC-AC changes efficiency 0.92
Fuel inlet temperature 25℃ Fuel availability 85%
Inlet air temp 25℃ Negative electrode CO2Utilization rate 85%
Air compressor adiabatic efficiency 85% Air compressor mechanical efficiency 98%
Air turbine expansion efficiency 88% Air turbine mechanical efficiency 98%
Steam turbine high-pressure cylinder efficiency 90% Steam Turbine Through IP Admission efficiency 92%
Turbine low pressure cylinder efficiency 92% Waste heat boiler exhaust gas temperature 107℃
The present invention is put forward integrated ITM scalable CO2The MCFC combined power system of the response rate can be by changing the CO of the recycle ratio regulation system of MCFC cathode exhaust gas2The response rate.Table 2 lists the CO that under different recycle ratio, system is corresponding2The response rate and net efficiency.
The CO of system under table 2MCFC cathode exhaust gas difference recycle ratio2The response rate and net efficiency
Cathode circulation ratio CO2The response rate, % System net efficiency, %
0.15 49.1 66.23
0.25 54.9 65.83
0.35 61.1 65.39
0.45 66.8 64.89
0.55 73 64.31
0.65 79.2 63.6
0.75 85 62.68
0.85 91.2 61.35
Integrated ITM scalable CO is put forward in the present invention2The CO of the MCFC combined power system of the response rate2On the premise of the response rate is 85%, its analog result being contrasted with benchmark system, result is as shown in table 3.
Table 3 system results compares
As can be seen from Table 3, CO is not reclaimed2Benchmark system net efficiency is 63.36%, works as CO2When the response rate is 85%, integrated ITM scalable CO2The MCFC combined power system net efficiency of the response rate is 62.68%, and its net efficiency is compared with not reclaiming CO under the same terms2Benchmark system reduced by only 0.68 percentage point, demonstrates and invention achieves intended beneficial effect.

Claims (7)

1. scalable CO2The MCFC combined power system of the response rate, its feature is as follows: first via air hose Road successively with the 3rd heat exchanger (14), the 4th heat exchanger (15), the second blender (16), the second heat exchanger (10), after connecting, the negative electrode of MCFC battery pile (4) is accessed；Second road air line successively with air pressure After contracting machine (19), First Heat Exchanger (8) connect, accessing the feed side of ITM unit (20), first changes Hot device (8) is arranged in afterburner (7)；Fuel channel successively with the first blender (1), pre-reformer (2) After connection, access the anode of MCFC battery pile (4)；
The anode exhaust of MCFC battery pile (4) is connected with the first separator (3), is then divided into two-way, It is connected with the first blender (1), afterburner (7) respectively；The cathode exhaust vent of MCFC battery pile (4) with Second separator (9) connects, and is then divided into two-way, a road to connect with waste heat boiler and turbine system (12) Connecing, another road is connected with the second blender (16)；
After the outlet of afterburner (7) is connected with the second heat exchanger (10), access the 3rd separator (11), so After be divided into two-way, be connected with waste heat boiler and turbine system (12), the second blender (16) respectively；
The feed side outlet of ITM unit (20) is successively with air turbine (21), the 4th heat exchanger (15) even After connecing, waste gas enters air；The per-meate side outlet of ITM unit (20) takes back afterburner (7)；
The air vent of waste heat boiler and turbine system (12) successively with the 3rd heat exchanger (14), condenser (17), The cold carbon-dioxide gas compressor of three inter-stage (18) connects；
The outfan of MCFC battery pile (4) is by AC/DC converter (5) and the first electromotor (6) Connect.
Scalable CO the most according to claim 12The MCFC combined power system of the response rate, it is special Levy and be: in described ITM unit (20), oxygen ion transport film uses atresia, hybrid conductive, has electronics With the ceramic membrane of ionic conductivity, its running temperature is 900 DEG C；ITM unit (20) feed side air inlet is high Temperature pressure-air, exports as oxygen denuded air, and per-meate side outlet is pure oxygen；ITM unit (20) feed side with ooze Side oxygen partial pressure force rate is 6.3 thoroughly.
Scalable CO the most according to claim 12The MCFC combined power system of the response rate, it is special Levy and be: the cold carbon-dioxide gas compressor of described three inter-stage (18) is composed in series by three-stage blower, cooler.
Scalable CO the most according to claim 12The MCFC combined power system of the response rate, it is special Levy and be: described waste heat boiler and turbine system (12) are connected with the second electromotor (13).
Scalable CO the most according to claim 12The MCFC combined power system of the response rate, it is special Levy and be: described air turbine (21) is connected with the 3rd electromotor (22).
6. one kind based on arbitrary scalable CO of claim 1-52The MCFC combined power system of the response rate Operation method, it is characterised in that
The portion that fuel under room temperature is returned with MCFC battery pile (4) anode circulation in the first blender (1) Point aerofluxus mixing preheating, and enter pre-reformer (2) occurs pre-reforming reaction, subsequently enter MCFC electricity The anode of Chi Dui (4) provides anode reaction gas；First via air under room temperature sequentially passes through the 3rd heat exchanger (14), after the 4th heat exchanger (15) heat exchange, with MCFC battery pile (4) in the second blender (16) Portion discharge that cathode circulation is returned and afterburner (7) portion discharge mixing preheating further, with after through second Heat exchanger (10) enters MCFC battery pile (4) negative electrode after being heated to 650 DEG C and provides cathode reaction gas；
The anode exhaust of MCFC battery pile (4) is divided into two-way through the first separator (3): a road enters first Blender (1) pre-heating fuel also prevents carbon distribution in reforming process, and another road enters afterburner (7) burning residue Unreacting gas；The cathode exhaust gas of MCFC battery pile (4) is divided into two-way through the second separator (9): one Road loop back battery pile before the second blender (16) in preheated air regulate system CO simultaneously2The response rate, separately One tunnel enters air after entering waste heat boiler and turbine system (12) recovery waste heat；MCFC battery pile (4) Outfan drive the first electromotor (6) to generate electricity；
The second road air under room temperature enters internal the changing of afterburner (7) after air compressor (19) compresses Hot device (8) is heated to 900 DEG C, is subsequently passed ITM unit (20) feed side inlet, ITM unit (20) The oxygen denuded air of feed side outlet changes with the 4th heat exchanger (15) after air turbine (21) expansion work Heat, the pure oxygen of ITM unit (20) per-meate side outlet enters afterburner (7)；Afterburner (7) exiting exhaust gas It is divided into two-way through the 3rd separator (11): a road enters second and mixes after lowering the temperature with the second heat exchanger (10) heat exchange Clutch (16) provides MCFC battery pile (4) cathode reaction gas CO2, another road enter waste heat boiler and Turbine system (12) recovery waste heat, waste heat boiler and turbine system (12) tail gas are respectively through the 3rd heat exchange Device (14) heat exchange, condenser (17) enter the cold carbon-dioxide gas compressor of three inter-stage (18) after separating out water, system Standby liquid CO2。
Operation method the most according to claim 6, it is characterised in that described air compressor (19) Outlet pressure is 30atm.
CN201410837807.0A 2014-12-26 2014-12-26 Scalable CO2the MCFC combined power system of the response rate and operation method Active CN104538658B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410837807.0A CN104538658B (en) 2014-12-26 2014-12-26 Scalable CO2the MCFC combined power system of the response rate and operation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410837807.0A CN104538658B (en) 2014-12-26 2014-12-26 Scalable CO2the MCFC combined power system of the response rate and operation method

Publications (2)

Publication Number Publication Date
CN104538658A CN104538658A (en) 2015-04-22
CN104538658B true CN104538658B (en) 2017-01-04

Family

ID=52854153

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410837807.0A Active CN104538658B (en) 2014-12-26 2014-12-26 Scalable CO2the MCFC combined power system of the response rate and operation method

Country Status (1)

Country Link
CN (1) CN104538658B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106025313B (en) * 2016-07-15 2018-07-10 中国华能集团清洁能源技术研究院有限公司 CO before burning can be achieved2The integral coal gasification fuel cell generation of trapping
CN106122977B (en) * 2016-09-05 2018-01-05 重庆科技学院 CO2 recovery systems based on refuse gasification combustion gas and steam turbine cogeneration
CN108428919B (en) * 2018-04-13 2023-07-07 中国华能集团清洁能源技术研究院有限公司 Hybrid power generation system and method based on direct carbon fuel cell
CN109004244A (en) * 2018-07-09 2018-12-14 中国石油大学(北京) Solid oxide fuel cell association system based on solar energy preparing hydrogen by reforming methanol
CN109326805B (en) * 2018-09-04 2020-09-25 新地能源工程技术有限公司 Solid oxide fuel cell power generation system and process
DE102020122082A1 (en) 2020-08-24 2022-02-24 Audi Aktiengesellschaft Solid oxide fuel cell device and fuel cell vehicle
CN111930055B (en) * 2020-09-29 2021-01-15 国网（天津）综合能源服务有限公司 Comprehensive energy sensing device with optimized control
CN112290055B (en) * 2020-10-28 2021-12-10 中国科学技术大学 Self-humidifying anode fuel circulation system and method of fuel cell system
CN115763883B (en) * 2022-11-17 2024-03-08 华北电力大学 Zero-carbon-emission solid oxide fuel cell power generation system integrated with oxygen permeable membrane

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100461516C (en) * 2007-05-10 2009-02-11 上海交通大学 Natural gas melting carbonate fuel cell generation system
CN103206307B (en) * 2013-04-03 2015-06-24 华北电力大学 Hybrid power system using normal pressure MCFC (molten carbonate fuel cell) to recover CO2 in exhaust gas of gas turbine
CN103410614B (en) * 2013-08-21 2015-12-23 华北电力大学 CO in combustion turbine exhaustion is reclaimed with two-stage normal pressure MCFC 2combined power system
CN104196582B (en) * 2014-07-03 2015-10-21 华北电力大学 Based on CO in MCFC electrochemical process trapping IGCC system 2combined power system

Also Published As

Publication number Publication date
CN104538658A (en) 2015-04-22

Similar Documents

Publication Publication Date Title
CN104538658B (en) Scalable CO2the MCFC combined power system of the response rate and operation method
CN103206307B (en) Hybrid power system using normal pressure MCFC (molten carbonate fuel cell) to recover CO2 in exhaust gas of gas turbine
CN103410614B (en) CO in combustion turbine exhaustion is reclaimed with two-stage normal pressure MCFC 2combined power system
CN102456898B (en) Fuel battery combustion turbine co-generation unit
CN102760900B (en) Pressurized solid oxide fuel cell (SOFC)/ gas turbine (GT)/ air turbine (AT)/ steam turbine (ST) hybrid power system with zero release of CO2 which is combined with scavenging and integrated with optical terminal multiplexer (OTM)
CN113278993B (en) High-safety fuel cell electrolytic cell system and working method thereof
WO2006043494A1 (en) Combined power generation equipment
CN113278992B (en) Water vapor turbocharged fuel cell electrolytic cell system and working method thereof
CN103443983A (en) Solid-oxide fuel cell high-efficiency reform-and-recirculate system
CN102569859B (en) Integrated oxygen transmission membrane (OTM) pressurized carbon dioxide (CO2) zero-emission solid oxide fuel cell (SOFC)/gas transmission (GT)/air transmission (AT)/steam turbine (ST) composite power system
JP2004204849A (en) Cooled turbine integrated fuel cell hybrid power plant
CN106450389A (en) Solid oxide fuel cell cooling, heating and power combined supply system with zero CO2 release
CN104196582A (en) Composite power system for capturing CO2 in IGCC system based on MCFC electrochemical method
CN109004244A (en) Solid oxide fuel cell association system based on solar energy preparing hydrogen by reforming methanol
CN110500808A (en) Electric cold supply system
CN102966437A (en) Pressurization CO2 zero discharge SOFC (solid oxide fuel cell) /GT (gas turbine) /AT (air turbine) /ST (steam turbine) composite dynamical system of integrated OTM (oxyanion transmission film) cathode exhaust producing oxygen
CN101520234B (en) Heat pump type combined heat and power system by taking solid oxide fuel battery as power generating unit
KR20180050235A (en) Power generation system using cascaded fuel cells and associated methods thereof
CN208475729U (en) Electric cold supply system
CN102979622B (en) Normal pressure CO2 zero-emission SOFC/AT/ST hybrid power system integrated with purge gas OTM oxygen supply
WO2007082522A1 (en) Method and system for operating a high-temperature fuel cell
CN102518482B (en) OTM (oxygen transport membrane)-integrated SOFC (solid oxide fuel cell)/AT (air turbine)/ST (steam turbine) composite power system with zero CO2 (carbon dioxide) emission
CN212011147U (en) Hybrid high-temperature fuel cell power generation system
CN115995575B (en) Fuel cell system based on carbon trapping and heat storage sharing and thermoelectric decoupling method
CN109923717A (en) Amendment fuel cell for monoblock type reforming fuel cell recycles

Legal Events

Date Code Title Description
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant