CN106784940A - A kind of solid oxide fuel cell power generating system - Google Patents
A kind of solid oxide fuel cell power generating system Download PDFInfo
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- CN106784940A CN106784940A CN201611225753.8A CN201611225753A CN106784940A CN 106784940 A CN106784940 A CN 106784940A CN 201611225753 A CN201611225753 A CN 201611225753A CN 106784940 A CN106784940 A CN 106784940A
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- 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
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- 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
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- 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
- H01M8/04022—Heating by combustion
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- 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
- H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
- H01M8/0618—Reforming processes, e.g. autothermal, partial oxidation or steam reforming
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- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
- H01M2008/1293—Fuel cells with solid oxide electrolytes
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- 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
A kind of solid oxide fuel cell power generating system, including hot-zone, reformer, start burner, anode exhaust gas burner, blender and heat exchanger components, hot-zone includes battery pile array and corresponding gas distribution pipeline, reformer, the discrete setting of heat exchanger components and hot-zone, connected each other by pipeline, heat exchanger components include catalytic reforming feedstock preheater, air one-level preheater, air two grades of preheaters, gasifier and condensers, and the reserved air intlet of reformation is provided with blender.The discrete setting of each critical piece rather than in concentrating on hot-zone, is reduced the difficulty of each component combination by the present invention, is easy to integral layout, while reduce the possibility of the influence that intersects, is easy to the performance of each part stabilization its function；It is reasonable, easy to assembly with topology layout, have the advantages that easy to disassemble, suitable layout, function-stable, heat exchange are reasonable, it is adaptable to the establishment of the solid oxide fuel cell power generating system of the multikilowatt of monomer hundred.
Description
Technical field
The present invention relates to a kind of solid oxide fuel cell power generating system, the more particularly to flow and device of electricity generation system
Layout.
Background technology
SOFC (Solid Oxide Fuel Cell, SOFC) electricity generation system is a kind of cleaning, efficiently
Energy conversion system, with the gaseous hydrocarbons such as natural gas or hydrogen, carbon monoxide etc. as raw material, can by the chemical energy in fuel turn
It is changed to electric energy.Widely distributed gas distributing system is relied on, SOFC electricity generation systems can be integrated into natural gas as raw material with scale
The need for electricity of distributed power generation station, supply building, factory building, community etc., with good commercial promise.
The basic running of SOFC electricity generation systems is：Natural gas first passes around reformation, produces the gas such as hydrogen, carbon monoxide gas
Body, into cell stack anode, cathode air enters the negative electrode of battery pile, under certain conditions, anodic gas and cathode gas
React, generate water, produce electricity.In order to complete these processes, it is necessary to various support devices such as reformer, start burner,
The parts such as anode exhaust gas burner, heat exchanger.Each part needs to combine well, forms an organic whole, so
The flowing of material stream and energy stream can be carried out.
A kind of flow of SOFC electricity generation systems and hot-zone framework are provided in United States Patent (USP) US2012/0178003A1, this is
There are the following problems for system：1) in the framework of SOFC electricity generation systems hot-zone, by air preheater, catalytic reforming feedstock preheater, gasifier etc.
Heat exchanger is integrated in hot-zone, and this structure sets for the monomer mini-system such as other SOFC electricity generation systems of tens multikilowatts
Meter is suitable, but when monomer system scale reaches more than hundred multikilowatts, the arrangement of SOFC electricity generation systems hot-zone cannot this
Arrange, because heat exchange needs and capacity issue, various heat exchangers are not suitable for being all integrated into hot-zone.2) invention is provided
Hot-zone flow in, anode exhaust gas are directly entered anode all the way by being divided into two-way by separator after fuel reforming preheater
Tail gas burner, then by entering fuel reforming pipeline after air one-level preheater, being reclaimed as reformer feed makes on another road
With.One of the drawbacks of this kind of method is, under high temperature the flow of fuel be stressed, the influence such as temperature, it is difficult to it is carried out accurately
Flow-dividing control, influences the stable operation of system.There is a drawback in addition, in the reformation tail gas influence reformer that recovery is used
Chemical balance, so as to influence the reforming effect of reformer, and then influences the generator operation of SOFC electricity generation systems.3) system starts and asks
Topic.In the patent, startup is started by catalytic partial oxidation reaction, and this reaction is whard to control, and has explosion danger；Also
Have, starting the reaction needs extra thermal source and catalyst, the problems such as catalyst is also easy to produce focus at high temperature；In addition, opening
The dynamic time also can be very long.
For problem above, the invention provides a kind of SOFC electricity generation systems new technological process and the new method of device arrangements,
Improved for SOFC electricity generation systems flow (Booting sequence and operational process), device layout and reformer function etc..
The content of the invention
The technical problems to be solved by the invention are to provide that a kind of topology layout is reasonable, easy to assembly and heat exchange is rational solid
Oxide body fuel cell generation.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：A kind of SOFC generates electricity and is
System, including hot-zone, reformer, startup burner, anode exhaust gas burner, blender and heat exchanger components, it is characterised in that：It is described
Hot-zone includes battery pile array and corresponding gas distribution pipeline, reformer, the discrete setting of heat exchanger components and hot-zone, each other by pipeline
Connection；Heat exchanger components include catalytic reforming feedstock preheater, air one-level preheater, air two grades of preheaters, gasifier and condensers,
Reformation reserved air intlet and fuel inlet are provided with blender, blender is provided with discharging opening with catalytic reforming feedstock preheater phase
Connection, catalytic reforming feedstock preheater is connected with reformer；The anode gas circuit flow direction and pipeline of electricity generation system are connected as：Catalytic reforming feedstock
Into after the preheating of catalytic reforming feedstock preheater, reforming reaction is carried out into reformer, reformation tail gas enters hot-zone battery pile array
Anode, is generated electricity, and the anode exhaust gas of hot-zone discharge pass sequentially through catalytic reforming feedstock preheater, air one-level preheater and enter condensation
Device, condense the water for producing carries out catalytic reforming feedstock water circulation, condensed anode by reentering blender after purification utensil
Tail gas enters anode exhaust gas burner, and the flue gas after burning is discharged after passing sequentially through two grades of preheaters of air and gasifier；It is cloudy
Pole gas circuit flow direction and pipeline are connected as：Cathode air is sequentially passed through after two grades of preheaters of air one-level preheater and air, is entered
Enter the negative electrode of hot-zone battery pile array, the cathode exhaust gas after generating enter anode tail after entering anode exhaust gas burner, with condensation
The anode exhaust gas of air burner carry out mixed combustion, and the flue gas after burning is sequentially entered after two grades of preheaters of air and gasifier
Discharge.
Used as improvement, the battery pile array of the hot-zone uses stratiform tray type structure, the battery pile quantity of hot-zone not to limit, electricity
Pond heap array periphery is provided with vent line and exhaust pipe for anodic gas turnover, and vent line and exhaust pipe are by each
Ventilation flange and corresponding vent branch and waste gas branch pipe on layer connect the anodic gas inlet hole of the single battery heap on each layer
Portal with anode waste gas, have in battery pile array periphery for battery pile array electricity to be carried out into derived conductive pole, it is inverse
Become device to be connected with conductive pole.
It is preferred that, the reformer uses shell and tube or honeycomb monolith, reformer to be provided with reformation offgas outlet and hot-zone
The vent line of anodic gas import be connected, hot-zone is provided with anode exhaust gas outlet and is connected with catalytic reforming feedstock preheater.
Used as improvement, the anode exhaust gas burner is located at the centre position of reformer, and anode exhaust gas burner passes through method
Orchid is connected with reformer.
Improve again, the burner that starts is the open flame burner with natural gas as raw material, and startup burner is provided with and opens
Dynamic natural gas feed mouthful and startup air intlet.
Improve again, the gasifier uses tubular structure, condenser respectively with clarifier, air one-level preheater and sun
Pole tail gas burner is connected.
Further improve, the fuel that the fuel inlet of the blender enters is natural gas, hydrogen, synthesis gas or biogas.
Further improve, the fuel is natural gas.
Further improve, the converting direct-current power into alternating-current power that the electricity generation system also includes switch board, sends hot-zone
Inverter and water supply system,
Finally, the reformer carries out catalytic reforming feedstock when temperature rises to 400 DEG C, when reformer temperature reaches 750~850
DEG C, when the stabilized operating temperature of hot-zone battery pile array is 700~800 DEG C, system stable operation 2~3 hours can electric discharge.
Compared with prior art, the advantage of the invention is that：
1) by the discrete setting of each critical piece, rather than in concentrating on hot-zone, this reduces the difficulty of each component combination
Degree, is easy to system to suit measures to local conditions to carry out integral layout at the scene, while the possibility of the influence that intersected between reducing each part
Property, it is easy to the performance of each part stabilization its function.
2) anode exhaust gas are condensed, is made gas-water separation, be easy to the recovery purifying of water and recycle, while also allowing for
The stabilization burning of anode exhaust gas burner, and anode exhaust gas do not reclaim and be recycled to reformer, it is to avoid to reformation reactive chemistry
The influence of balance.
3) reformation air intake has been reserved on blender, has been easy to add appropriate air in reformer, carried out self-heating recapitalization
Reaction, is conducive to system to exchange heat.
Topology layout of the present invention is rationally, easy to assembly, reasonable etc. with easy to disassemble, suitable layout, function-stable, heat exchange
Advantage, it is adaptable to the establishment of the solid oxide fuel cell power generating system of the multikilowatt of monomer hundred.
Brief description of the drawings
Fig. 1 is the overall flow figure of solid oxide fuel cell power generating system of the invention；
Fig. 2 is the integral layout figure of solid oxide fuel cell power generating system of the invention；
Fig. 3 is the battery pile array structure schematic diagram in the 200kW systems in the embodiment of the present invention 1；
Fig. 4 is the battery pile array structure schematic diagram in the 160kW systems in the embodiment of the present invention 1.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
A kind of solid oxide fuel cell power generating system, including hot-zone 1, reformer 2, start burner 10, anode tail
Air burner 3, blender 4, heat exchanger components, inverter 13, clarifier 11, water supply system 14 and switch board 12, hot-zone 1 include electricity
Pond heap array and corresponding gas distribution pipeline, battery pile array are the places for carrying out electric power generation reaction, and the battery pile array of hot-zone 1 is used
Stratiform tray type structure, referring to the patented technology of our prior authorizations, the Chinese patent of Patent No. 201310212920.5, hot-zone
1 quantity of battery pile 1.1 is not limited, and battery pile array periphery is provided with vent line 1.2 and flue gas leading for anodic gas turnover
Road 1.2a, vent line 1.2 and exhaust pipe 1.2a are by the ventilation flange 1.4 on each layer and the He of corresponding vent branch 1.5
The anodic gas inlet hole and anode waste gas that waste gas branch pipe 1.6 connects the single battery heap on each layer are portalled, battery pile array periphery
On have for battery pile array electricity to be carried out into derived conductive pole 1.3；Inverter 13 sends battery pile array
Converting direct-current power into alternating-current power is used for daily production and living, and inverter 13 is connected with conductive pole 1.3.
Reformer 2, heat exchanger components and the discrete setting in hot-zone 1, this reduces the difficulty of each component combination, are easy to entirety
Layout, while reducing the cross influence between each part again, is easy to playing a role for each part stabilization；Reformer 2 is fuel
The place reformed, reformer 2 uses shell and tube or honeycomb monolith, reformer 2 to be provided with reformation offgas outlet and hot-zone 1
The vent line 1.2 of anodic gas import be connected, hot-zone 1 is provided with anode exhaust gas outlet and is connected with catalytic reforming feedstock preheater 5
Connect, anode exhaust gas burner 3 is located at the centre position of reformer 2, for the anode exhaust gas burnt from the discharge of battery pile array, give
The heat supply of reformer 2, anode exhaust gas burner 3 is connected by flange with reformer 2；Heat exchanger components are preheated including catalytic reforming feedstock
Device 5, air one-level preheater 6, two grades of preheaters 7 of air, gasifier 8 and condenser 9, blender 4, catalytic reforming feedstock preheater 5,
Two grades of preheaters 7 of air one-level preheater 6 and air are sequentially connected by pipeline, condenser 9 respectively with clarifier 11, air one
Level preheater 6 is connected with anode exhaust gas burner 3.
Blender 4 is fuel and vapor for mixing reforming charging in above-mentioned part, makes to be well mixed, on blender 4
Reformation reserved air intlet and fuel inlet are provided with, fuel uses natural gas, reserved air intlet of reforming are set and are easy in weight
Appropriate air is added in whole device 2, autothermal reforming reaction is carried out, is conducive to system to exchange heat；Blender 4 is provided with discharging opening and reforms
Feed preheater 5 is connected, and catalytic reforming feedstock preheater 5 is connected with reformer 2, and catalytic reforming feedstock preheater 5 is used for pre- thermal reforming
Charging, its thermal source comes since the anode exhaust gas of battery pile array discharge；Air one-level preheater 6 is used for carrying out air for the first time
Preheating, thermal source comes since the anode exhaust gas of battery pile array discharge, and two grades of preheaters 7 of air are used for carrying out air second in advance
Heat, thermal source come since anode exhaust gas burner 3 discharge flue gas, gasifier 8 be used for make it is water, so as to fuel together as
Catalytic reforming feedstock reacts into reformer 2；Condenser 9 is used for condensing the anode exhaust gas from air one-level preheater out, makes wherein
Water condensation get off recovery, to recycle, condensed gas is then used into anode exhaust gas burner 3；Start burning
Device 10 is the open flame burner with natural gas as raw material, starts burner 10 and is provided with startup natural gas feed mouthful and starts air
Import, starting burner 10 is used for the startup intensification of system；Clarifier 11 is used for the water that purification and condensation device 9 is condensed.
The anode gas circuit of electricity generation system is flowed to：After catalytic reforming feedstock enters the preheating of catalytic reforming feedstock preheater 5, into reformer
2 carry out reforming reaction, and reformation tail gas enters the vent line 1.2 of the anodic gas import of the battery pile array of hot-zone 1, sent out
Electricity, the anode exhaust gas of the discharge of hot-zone 1 pass sequentially through catalytic reforming feedstock preheater 5, air one-level preheater 6 and enter condenser 9, condensation
The water of generation carries out catalytic reforming feedstock water circulation, condensed anode exhaust gas by reentering blender 4 after the purification of clarifier 11
Into anode exhaust gas burner 3, the flue gas after burning is discharged after passing sequentially through two grades of preheaters 7 of air and gasifier 8.
Negative electrode gas circuit is flowed to：Cathode air is sequentially passed through after two grades of preheaters 7 of air one-level preheater 6 and air,
Into the negative electrode of the battery pile array of hot-zone 1, the cathode exhaust gas after generating enter sun after entering anode exhaust gas burner 3, with condensation
The anode exhaust gas of pole tail gas burner 3 carry out mixed combustion, and the flue gas after burning sequentially enters two grades of preheaters 7 of air and gasification
Discharged after device 8.Cathode air is supplied by blower fan.
The flow of solid oxide fuel cell power generating system of the invention is as shown in figure 1, system carrying out practically mutually concerns feeling
Condition is as follows：
1) start.With natural gas as raw material, startup burner 10 is lighted, flue gas enters hot-zone 1, through battery pile array,
Whole hot-zone 1 is heated.After flue gas passes through hot-zone 1, into anode exhaust gas burner 3 and reformer 2, to the two devices
Part is preheated.Then, flue gas is discharged after sequentially passing through two grades of preheaters 7 of air, gasifier 8.
When the temperature of device to be reformed 2 rises to 400 DEG C, you can be passed through catalytic reforming feedstock toward reformer 2, continue to heat up, make reformation
The temperature of device 2 reaches 750~850 DEG C, and the temperature of the battery pile array steady operation of hot-zone 1 is 700~800 DEG C, and system is transported in stabilization
During row, hot-zone 1 is maintained in this temperature.Device to be reformed 2 and battery pile array are reduced rear (generally requiring 2~3 hours), you can enter
Row system discharge.
2) discharge.Power according to electric discharge is determined in advance required catalytic reforming feedstock, and charging regulation to be reformed in place, is passed through and is
After system, you can discharged.The electricity that battery pile array is issued is direct current, is available for after inverter 13 is converted into alternating current
Daily production and living are used., up to more than 80%, generating efficiency is up to more than 50% for the fuel availability of system.
3) material supplement.The water produced in system power generation process can be recycled.System generates electricity the water for producing in condensation
After being condensed in device 9, system water supply system is entered after being cleaned into clarifier 11, recycled.
4) exchange heat.The normal operating temperature of battery pile array is tieed up by starting burner 10 and battery pile self-heat generation
Hold.The temperature of reformer 2 gives in temperature-rise period by starting burner 10, is then to lean on anode exhaust gas burner in stable operation
3 maintain.Cathode air is by 2 preheatings, the anode exhaust gas of the thermal source from battery pile array of its one-level preheating, secondly level is pre-
The flue gas that the thermal source of heat is produced from anode exhaust gas burner combustion.The sun of the thermal source from battery pile array of catalytic reforming feedstock preheating
Pole tail gas.
5) power.The design power of the system is determined by the quantity of battery pile in battery pile array.According to power needs,
The quantity of battery pile in adjustment system hot-zone, the system for designing different capacity.
Application examples 1
The present embodiment is 200kW SOFC electricity generation systems.Including hot-zone 1, reformer 2, anode exhaust gas burner 3, blender
4, catalytic reforming feedstock preheater 5, air one-level preheater 6, two grades of preheaters 7 of air, gasifier 8, condenser 9 starts burner
10, clarifier 11, switch board 12, inverter 13, water supply system 14, the grade critical piece of blower fan 15.
The battery pile array of the hot-zone 1 of the present embodiment is as shown in figure 3, battery pile array includes 192 140mm × 140mm
Battery pile 1.1, stratiform tray type structure, totally 8 layers, every layer of 24 battery pile 1.1, battery pile array periphery has vent line 1.2, uses
In there is conductive pole 1.3 in the turnover of anodic gas, battery pile array periphery, for deriving battery pile array electricity.
Reformer 2 uses shell and tube, gasifier 8 to use shell and tube.Blender 4 is used for the mixing of vapor and natural gas,
Enter reformer 2 after mixing.Anode exhaust gas burner 3 is located at the centre of reformer 1, is fixed by flange.
The direct current that battery pile array sends is converted into being available for daily production and living after alternating current by inverter 13
Use.The system stable operation power is 200kW.
Application examples 2
The present embodiment is 160kW SOFC electricity generation systems.Including hot-zone 1, reformer 2, anode exhaust gas burner 3, blender
4, catalytic reforming feedstock preheater 5, air one-level preheater 6, two grades of preheaters 7 of air, gasifier 8, condenser 9 starts burner
10, clarifier 11, switch board 12, inverter 13, water supply system 14, the grade critical piece of blower fan 15.
The battery pile array of the hot-zone 1 of the present embodiment as shown in figure 4, including 160 140mm × 140mm battery piles 1.1,
Stratiform tray type structure, totally 8 layers, every layer of 20 battery pile 1.1, battery pile array periphery has vent line 1.2, for anodic gas
Turnover, have conductive pole 1.3 in battery pile array periphery, for deriving battery pile array electricity.
Reformer 2 uses shell and tube, gasifier 8 to use shell and tube.Blender 4 is used for the mixing of vapor and natural gas,
Enter reformer 2 after mixing.Anode exhaust gas burner 3 is located at the centre of reformer 2, is fixed by flange.
The direct current that battery pile array sends is converted into being available for daily production and living after alternating current by inverter 13
Use.The system stable operation power is 160kW.
Embodiment described above has been described in detail to technical scheme, it should be understood that the above is only
It is specific embodiment of the invention, is not intended to limit the invention, all any modifications made in spirit of the invention,
Supplement or similar fashion replacement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of solid oxide fuel cell power generating system, including hot-zone, reformer, startup burner, anode exhaust gas burning
Device, blender and heat exchanger components, it is characterised in that：The hot-zone include battery pile array and corresponding gas distribution pipeline, reformer,
Heat exchanger components and the discrete setting in hot-zone, connect each other by pipeline；Heat exchanger components include that catalytic reforming feedstock preheater, air one-level are pre-
Hot device, air two grades of preheaters, gasifier and condensers, are provided with reformation reserved air intlet and fuel inlet on blender,
Blender is provided with discharging opening and is connected with catalytic reforming feedstock preheater, and catalytic reforming feedstock preheater is connected with reformer；Generate electricity system
The anode gas circuit flow direction and pipeline of system are connected as：After catalytic reforming feedstock enters the preheating of catalytic reforming feedstock preheater, carried out into reformer
Reforming reaction, reformation tail gas enters the anode of hot-zone battery pile array, is generated electricity, and the anode exhaust gas of hot-zone discharge are passed sequentially through
Catalytic reforming feedstock preheater, air one-level preheater enter condenser, condense the water for producing by being reentered after purification utensil
Blender carries out catalytic reforming feedstock water circulation, and condensed anode exhaust gas enter anode exhaust gas burner, and the flue gas after burning is successively
Discharged by after two grades of preheaters of air and gasifier；Negative electrode gas circuit is flowed to and pipeline is connected as：Cathode air is sequentially passed through
After two grades of preheaters of air one-level preheater and air, into the negative electrode of hot-zone battery pile array, the cathode exhaust gas after generating
Anode exhaust gas after into anode exhaust gas burner, with condensation into anode exhaust gas burner carry out mixed combustion, after burning
Flue gas is discharged after sequentially entering two grades of preheaters of air and gasifier.
2. solid oxide fuel cell power generating system according to claim 1, it is characterised in that：The battery of the hot-zone
Heap array uses stratiform tray type structure, the battery pile quantity of hot-zone not to limit, and battery pile array periphery is provided with to be entered for anodic gas
The vent line and exhaust pipe for going out, vent line and exhaust pipe are by the ventilation flange and corresponding vent branch on each layer
The anodic gas inlet hole and anode waste gas for connecting the single battery heap on each layer with waste gas branch pipe are portalled, in battery pile array periphery
Have for battery pile array electricity to be carried out into derived conductive pole, inverter is connected with conductive pole.
3. solid oxide fuel cell power generating system according to claim 2, it is characterised in that：The reformer is used
Shell and tube or honeycomb monolith, reformer are provided with reformation offgas outlet and are connected with the vent line of the anodic gas import of hot-zone
Connect, hot-zone is provided with anode exhaust gas outlet and is connected with catalytic reforming feedstock preheater.
4. solid oxide fuel cell power generating system according to claim 3, it is characterised in that：The anode exhaust gas combustion
Burner is located at the centre position of reformer, and anode exhaust gas burner is connected by flange with reformer.
5. solid oxide fuel cell power generating system according to claim 1, it is characterised in that：The startup burner
It is the open flame burner with natural gas as raw material, starts burner and be provided with startup natural gas feed mouthful and start air intlet.
6. solid oxide fuel cell power generating system according to claim 1, it is characterised in that：The gasifier is used
Tubular structure, condenser is connected with clarifier, air one-level preheater and anode exhaust gas burner respectively.
7. the solid oxide fuel cell power generating system according to claim 1 to 6 any claim, its feature exists
In：The fuel that the fuel inlet of the blender enters is natural gas, hydrogen, synthesis gas or biogas.
8. solid oxide fuel cell power generating system according to claim 7, it is characterised in that：The fuel is natural
Gas.
9. solid oxide fuel cell power generating system according to claim 1, it is characterised in that：Electricity generation system also includes
Switch board, the inverter of the converting direct-current power into alternating-current power that hot-zone is sent and water supply system, the electricity of inverter and the hot-zone
The conductive pole of pond heap array periphery is connected.
10. the solid oxide fuel cell power generating system according to claim 1 to 6 any claim, its feature exists
In：The reformer carries out catalytic reforming feedstock when temperature rises to 400 DEG C, when reformer temperature reaches 750~850 DEG C, hot-zone electricity
When the stabilized operating temperature of pond heap array is 700~800 DEG C, system stable operation 2~3 hours can electric discharge.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107863542A (en) * | 2017-11-20 | 2018-03-30 | 宁波申江科技股份有限公司 | Applied to fuel cell generation or the burning reformer of production hydrogen machine |
| CN108155402A (en) * | 2017-11-28 | 2018-06-12 | 中国科学院青岛生物能源与过程研究所 | The electricity generation system and its electricity-generating method of a kind of solid oxide fuel cell |
| CN108386344A (en) * | 2018-03-09 | 2018-08-10 | 重庆大学 | The electrification energy storage system and control method of fuel cell and compressed-air energy storage coupling |
| CN109980247A (en) * | 2019-03-05 | 2019-07-05 | 华电电力科学研究院有限公司 | A kind of novel solid oxide fuel cell that allowing quick start and starting method |
| CN110819391A (en) * | 2019-11-20 | 2020-02-21 | 张俊霞 | Device for producing hydrogen by coupling SOFC (solid oxide fuel cell) tail gas with biomass gasification and use method of device |
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| CN112952144A (en) * | 2021-02-01 | 2021-06-11 | 浙江氢邦科技有限公司 | Novel solid oxide fuel cell stack hot area, hot area system and cell stack system |
| CN114142583A (en) * | 2021-10-29 | 2022-03-04 | 西安交通大学 | Hybrid power supply system |
| CN114151791A (en) * | 2020-09-08 | 2022-03-08 | 国家能源投资集团有限责任公司 | Power generation system and start-stop combustion device thereof |
| CN114220988A (en) * | 2021-11-17 | 2022-03-22 | 清华大学 | Solid oxide fuel cell power generation system |
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| US10651487B2 (en) | 2017-11-20 | 2020-05-12 | Industrial Technology Research Institute | Modular apparatus of fuel cell system |
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| CN109980247A (en) * | 2019-03-05 | 2019-07-05 | 华电电力科学研究院有限公司 | A kind of novel solid oxide fuel cell that allowing quick start and starting method |
| CN112151831A (en) * | 2019-06-27 | 2020-12-29 | 国家能源投资集团有限责任公司 | Reformer and fuel cell power generation system thereof |
| CN112151831B (en) * | 2019-06-27 | 2022-11-22 | 国家能源投资集团有限责任公司 | Reformer and fuel cell power generation system thereof |
| CN110819391A (en) * | 2019-11-20 | 2020-02-21 | 张俊霞 | Device for producing hydrogen by coupling SOFC (solid oxide fuel cell) tail gas with biomass gasification and use method of device |
| TWI716231B (en) * | 2019-12-23 | 2021-01-11 | 綠佑科技股份有限公司 | Boiler vaporization and combustion equipment |
| CN114151791A (en) * | 2020-09-08 | 2022-03-08 | 国家能源投资集团有限责任公司 | Power generation system and start-stop combustion device thereof |
| CN114151791B (en) * | 2020-09-08 | 2023-11-03 | 国家能源投资集团有限责任公司 | Power generation system and start-stop combustion device thereof |
| CN112952144A (en) * | 2021-02-01 | 2021-06-11 | 浙江氢邦科技有限公司 | Novel solid oxide fuel cell stack hot area, hot area system and cell stack system |
| CN114142583A (en) * | 2021-10-29 | 2022-03-04 | 西安交通大学 | Hybrid power supply system |
| CN114220988A (en) * | 2021-11-17 | 2022-03-22 | 清华大学 | Solid oxide fuel cell power generation system |
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