CN109599582A - A kind of direct carbon solid oxide fuel cell pile and its power generator - Google Patents

A kind of direct carbon solid oxide fuel cell pile and its power generator Download PDF

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Publication number
CN109599582A
CN109599582A CN201811361673.4A CN201811361673A CN109599582A CN 109599582 A CN109599582 A CN 109599582A CN 201811361673 A CN201811361673 A CN 201811361673A CN 109599582 A CN109599582 A CN 109599582A
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pile
carbon
sofc
air
fuel cell
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CN109599582B (en
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孔为
韩振
黄红艳
张梦彤
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Chuangdian Shanghai New Energy Technology Co ltd
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Jiangsu University of Science and Technology
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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
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
    • 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
    • H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
    • 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
    • H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
    • H01M8/04216—Reactant storage and supply, e.g. means for feeding, pipes characterised by the choice for a specific material, e.g. carbon, hydride, absorbent
    • 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
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2455—Grouping of fuel cells, e.g. stacking of fuel cells with liquid, solid or electrolyte-charged 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
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • H01M8/2484—Details of groupings of fuel cells characterised by external manifolds
    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fuel Cell (AREA)

Abstract

The present invention discloses a kind of direct carbon solid oxide fuel cell pile and its power generator, CO2Storage cylinder provides high pressure CO2It is mixed with the carbon dust supplied to carbon machine, then enter pile by mixing inlet tube, makes CO2It is twist flowed inside pile with toner mixture, and adjacent upper and lower level SOFC monocell is staggered 90 degree of arrangements in pile, adjacent single cells reversed arrangement, carrying out disturbance to the carbon fuel of helical flow makes carbon fuel be evenly distributed on galvanic anode surface；It has reacted after tail gas is separated by filtration and has passed through CO respectively2Recovery channel and carbon recovery channel carry out recycling and reusing, improve efficiency；Air is discharged after entering pile reaction through air chamber bottom air exit hole, preheats to fuel and reacts again to Boudouard and provide heat compensation using the heat insulation effect of air layer and the high-temperature residual heat of discharge air, guarantees that Boudouard rapid reaction is stablized and carries out.

Description

A kind of direct carbon solid oxide fuel cell pile and its power generator
Technical field
The present invention relates to fuel cell fields, and in particular to a kind of direct carbon solid oxide fuel cell pile and its hair Electric installation.
Background technique
Hydrogen is the ideal fuel of solid oxide fuel cell (SOFC), but as a kind of secondary energy sources, hydrogen It not directly obtains and storage transportation technology is still immature, higher cost.In numerous SOFC fuel, the source of carbon fuel is the most Extensively, and its energy density is high, and storage and transportation problem is substantially not present, thus directly uses the SOFC (DC- of carbon fuel SOFC more and more attention) are received.The overall reaction of DC-SOFC are as follows: C+O2=CO2, the Entropy Changes very little of this reaction, and carbon fires Material discord air is in contact, and is conducive to CO2Re-using or recycling processing.In DC-SOFC starting, it is passed through a certain amount of CO2Make It obtains it and Boudouard reaction (CO occurs at high temperature for carbon fuel2+ C=2CO), the CO of generation is passed over from electrolyte Oxonium ion react and generate CO2, CO2Generation CO is reacted by Boudouard again and is achieved that consumption so on circulate The purpose of solid carbon power generation.
Up to the present, researchers from different angles, propose the design scheme of various DC-SOFC.Such as " one The patent of invention of the direct carbon solid oxide fuel cell power-supply system of kind ", patent No. CN102130354A, by carbon fuel and cone Pipe concatenation type SOFC design combines, and can export higher voltage in the lesser situation of size, is suitable for small-sized SOFC power supply； The patent of invention of " a kind of from the maintenance direct carbon micro-pipe solid oxide fuel cell stack of formula ", patent No. CN107681179A lead to The heat that battery pack bottom carbon fuel and oxygen combustion generate is crossed, the smooth of battery in the case where no external heat source is realized and opens It is dynamic.The patent of invention of " a kind of packingless direct carbon solid oxide fuel cell group of monolithic electrolyte ", the patent No. Cathode and anode step-by-step arrangement are clasped electrolyte sheet in electrolyte two sides, and with fixed frame, make the battery by CN108183248A Group is without sealing；The patent of invention of " a kind of direct carbon solid oxide fuel cell heap ", patent No. CN103078128A are utilized The waste heat of SOFC carries out reforming reaction and provides heat for carbon and vapor, improves system effectiveness.
Although the above patent all solve the problems, such as it is corresponding, without exception be all to be deposited in a large amount of carbon fuel In fuel chamber, this is also processing mode of the current most of research for carbon fuel, and the accumulation of a large amount of carbon fuel can be serious Restrict Boudouard reaction.The reason is that: (1) accumulation of a large amount of carbon fuel cause carbon particle between contact area increase, carbon Grain and CO2Contact area strongly reduces, and thereby reduces Boudouard reaction；(2) accumulation of a large amount of carbon fuel causes The CO that Boudouard reaction generates is not easy to be discharged in time, further suppresses the progress of reaction；(3) accumulation of a large amount of carbon fuel It will lead to the carbon particle of different location in fuel chamber while Boudouard reaction occur, and Boudouard reaction is that heat absorption is anti- It answers, therefore it is low to cause fuel chamber's medium temperature to be spent, and slows down reaction rate；(4) with the progress that Boudouard reacts, carbon combustion The continuous consumption of material, therefore the output of CO is fewer and fewer.Therefore the accumulation of a large amount of carbon fuel can not achieve stable CO supply.
Therefore, if carbon fuel can spread out, it is carried along into DC-SOFC with gas, and controls the entrance of gas carbon mixture The amount of pile, then adequately disturbed in DC-SOFC, allow to be dispersed in galvanic anode surface, and use row The high-temperature residual heat of air, which reacts Boudouard, out carries out heat compensation, so that it may guarantee that the Fast Persistence of Boudouard reaction is steady It is fixed to carry out, to improve DC-SOFC performance.In addition, can also make if recycling and reusing can be carried out to the tail gas that DC-SOFC is generated Unit efficiency further increases.
Summary of the invention
Goal of the invention: the purpose of the present invention is to provide a kind of direct carbon solid oxide fuel cell pile and its power generations Device solves the problems, such as that Boudouard caused by accumulating due to a large amount of carbon fuel reacted slow.
Technical solution: a kind of direct carbon solid oxide fuel cell pile of the invention, including several tubular type SOFC electricity Pond group, several air conduits, air chamber, fixed plate and pile heating plate: the tubular type SOFC battery pack includes several layers SOFC Monocell, each layer SOFC monocell are from top to bottom staggeredly stacked placement, and each layer of SOFC monocell includes several SOFC monocells, And each adjacent two SOFC monocell reversed arrangement side by side；Each SOFC monocell successively includes cathode, electricity from inside to outside Matter and anode are solved, and cathode longest, anode are most short；Each layer SOFC monocell open end successively accompany from outside to inside fixed plate and Pile heating plate, so that tubular type SOFC battery pack is integrally fixed, fixed plate and pile heating plate are set up vertically；The air conduit Be inserted into corresponding tubular type SOFC battery pack by air chamber, and between each SOFC monocell cathode there are 2-5mm for Air flows in battery, and the air chamber is set on the outside of fixed plate, forms a cavity, makes reacted air through opening in air The air-outlet aperture in bottom of chamber portion flows out.
Further, the number of plies of the SOFC monocell is determined according to power generation needs, the adjacent mono- electricity of upper and lower level SOFC Pond is staggered 90 degree of arrangements, and adjacent single cells reversed arrangement.In this way can the carbon fuel to helical flow disturb, guarantee Boudouard rapid reaction carries out.
The invention also discloses a kind of power generator of direct carbon solid oxide fuel cell pile, including SOFC electricity Heap, CO2Header box, CO2Storage cylinder gives carbon machine and the first header box, is connected with several skies in four peripheral wall surfaces of the SOFC pile Gas inlet tube, SOFC pile bottom surrounding offer several air-outlet apertures；The CO2Header box one end passes through CO2Outlet connects It is connected to SOFC pile top, CO2The other end of header box is sequentially connected several transport pipelines, filter, CO2Recovery channel, compression Machine and several CO2Storage cylinder；First header box one end is connected to SOFC pile bottom by mixing inlet tube, and is mixed into Mouth pipe protrudes into inside SOFC pile, and the first header box other end is connected with gas carbon mixing tube, CO in turn2Outlet pipe and several CO2 Storage cylinder；It is described to be set to gas carbon mixing tube and CO to carbon machine2Between outlet pipe, it is connected to the bottom of carbon machine by defeated carbon pipe In gas carbon mixing tube and CO2Between outlet pipe, filter is connected to by carbon recovery channel to the top of carbon machine.
Wherein, CO2Storage cylinder provides high pressure CO2It mixes with the carbon dust supplied to carbon machine, then is mixed by what quadrangle tangential circle was arranged It closes inlet tube to be passed through in pile, makes CO2It is twist flowed inside SOFC pile with toner mixture, enhances the disturbance of fuel It is set to be evenly distributed on the anode surface of each SOFC monocell.Reacted tail gas passes through CO after being separated by filtration respectively2It returns Closed tube road and carbon recovery channel carry out recycling and reusing, improve unit efficiency；Air enters pile by air inlet duct, reaction By air chamber bottom air exit hole be discharged, using air layer heat insulation effect and discharge air high-temperature residual heat to fuel again It preheats and is reacted to Boudouard and heat compensation is provided, carried out to be further ensured that Boudouard rapid reaction is stablized.
Further, SOFC pile top is equipped with fixed end cap, each CO2Outlet stands on fixing end vertically Lid, and each CO2Outlet is connected to CO2Header box bottom；If SOFC pile bottom is equipped with dry pile bracket, pass through electricity SOFC pile is supported and is fixed by heap bracket.
Further, the CO between the filter and compressor2Recovery channel is equipped with the first control valve, the carbon Recovery channel is equipped with the second control valve；The defeated carbon pipe is equipped with third control valve door.
Further, each CO2Storage cylinder is in parallel, each CO2It is separately connected at storage cylinder air inlet and at outlet CO2Recovery channel and CO2Outlet pipe；And each CO2Storage cylinder is equipped with corresponding air intake valve and outlet valve.
Further, each mixing inlet tube access SOFC pile lower right or lower left, mix on inlet tube It is horizontally disposed using quadrangle tangential circle formula to be inserted into the side inside pile, and each exit for mixing inlet tube is in cylindrical type spray Mouth shape.
Further, the CO2Storage cylinder is multistage storage cylinder, according to the operating condition of pile, each corresponding air inlet Valve 10 and outlet valve 13 do not need all open simultaneously, with meet pile needs take carbon CO2Subject to amount, remaining CO2 It can transport to after storage cylinder storage is full and use elsewhere, then be replaced with empty storage cylinder.
Further, the complete carbon dust of unreacted is transmitted back to described to carbon by the second control valve control carbon recovery channel In machine, and according to the operating condition of pile, to being controlled for carbon amounts by third control valve door for carbon machine.
The utility model has the advantages that compared with prior art, the invention has the following advantages that
(1) carbon fuel is scatter, with CO2Gas is carried along into pile, avoids the bulk deposition of carbon fuel, increases carbon Particle and CO2Contact area, improve Boudouard reaction rate.Gas carbon mixing inlet tube exit design is cylindrical type spray Mouth shape, and it is horizontally disposed in quadrangle tangential circle formula, CO can be made2It twist flows, enhances inside pile with the mixture of carbon dust The disturbance of fuel makes it be evenly distributed on galvanic anode surface, while the CO of Boudouard reaction production can very quickly Be electrochemically reacted into anode.
(2) adjacent upper and lower level monocell further carries out spiralling carbon fuel at the 90 degree of distributions that are staggered in pile Interference enhances the uniformity of pile carbon fuel, to lay a good foundation for Boudouard reaction quickly, lasting, stable.
(3) adjacent tubular type SOFC monocell reversed arrangement can make full use of the temperature each other between monocell to influence to make It obtains local temperature and keeps relatively uniform, and then ensure the Boudouard reaction rate near different monocell anode surfaces Substantially it reaches unanimity.
(4) air chamber is arranged in outside fixed plate, air is equivalent to one layer of heat preservation layer, and air-outlet aperture is opened in sky Air cavity bottom keeps discharge air contrary with fuel flowing, carries out using the high-temperature residual heat of discharge air to fuel certain Preheat again and give Boudouard reaction provide heat compensation, thus be further ensured that Boudouard rapid reaction stablize into Row.
(5) it realizes to CO2With being recycled for carbon fuel, improves unit efficiency and pile continuous service can be made.
Detailed description of the invention
Fig. 1 is the device of the invention overall structure diagram；
Fig. 2 is SOFC pile vertical direction diagrammatic cross-section of the invention；
Fig. 3 is SOFC battery pack arrangement mode schematic diagram of the invention；
Fig. 4 is that SOFC monocell air of the invention flows to diagrammatic cross-section.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawing to of the invention Direct carbon solid oxide fuel cell pile and its power generator are described in further detail.
As shown in Figure 1, the direct carbon solid oxide fuel cell pile power generator in the present embodiment, including SOFC electricity Heap 1, air inlet duct 2, air-outlet aperture 3, fixed end cap 4, CO2Outlet 5, CO2Header box 6, transport pipeline 7, filter 8, CO2Recovery channel 9, compressor 10, the first control valve 11, air intake valve 12, CO2Storage cylinder 13, CO2Outlet pipe 14, outlet Valve 15, the second control valve 17, gives carbon machine 18, defeated carbon pipe 19, third control valve door 20, gas carbon mixing at carbon recovery channel 16 Pipe 21, header box 22, mixing inlet tube 23 and pile bracket 24.If being connected with dry air in four peripheral wall surfaces of SOFC pile 1 to enter Mouth pipe 2,1 bottom surrounding of SOFC pile offer several air-outlet apertures 3；The CO26 one end of header box passes through CO2Outlet 5 It is connected to 1 top of SOFC pile, CO2The other end of header box 6 is sequentially connected several transport pipelines 7, filter 8, CO2Recovery tube Road 9, compressor 10 and several CO2Storage cylinder 13；First header box, 22 one end is connected to SOFC pile 1 by mixing inlet tube 23 Bottom, and mix inlet tube 23 and protrude into inside SOFC pile 1,22 other end of the first header box is connected with gas carbon mixing tube in turn 21、CO2Outlet pipe 14 and several CO2Storage cylinder 13；Gas carbon mixing tube 21 and CO are set to carbon machine 182Outlet pipe 14 it Between, gas carbon mixing tube 21 and CO are connected to by defeated carbon pipe 19 to the bottom of carbon machine 182Between outlet pipe 14, to carbon machine 18 Top is connected to filter 8 by carbon recovery channel (16).
In the present embodiment, external world's supply air enters SOFC pile 1 by the air inlet duct 2 in five, each direction, instead It is discharged after should finishing through air-outlet aperture 3 each below pile；The CO that pile reaction generates in SOFC pile 12And small part is not The carbon dust of reaction is through four CO2Outlet 5 is expelled to CO2In header box 6, then passes through two transport pipelines 7 and be transported to filter 8 In；Open the first control valve 11, the CO after being separated by filtration2Through CO2Recovery channel 9 first flows into compressor 10, after overcompression High pressure CO2CO is flowed back to by the outlet of compressor 102Recovery channel 9 is finally passed through three-level CO2It is inflated in air accumulator 13, at this time Air intake valve 12 is opened, and outlet valve 15 is closed.After being full of, air intake valve 12 is closed, and outlet valve 15 is opened, and passes through CO2Out The high pressure CO that carbon enters pile is taken in the offer of feed channel 142。
In the above process, air intake valve 12 and outlet valve 15 do not need all to open simultaneously, according to the operation of pile Situation opens certain valves therein, uses certain CO2Storage cylinder 13, with meet pile needs take carbon CO2It is remaining subject to amount The storage of CO2 storage cylinder 13 it is full after can transport to and use elsewhere, then with the empty replacement of CO2 storage cylinder 13.
It is controlled by the aperture of the second control valve 17, the unreacted carbon dust of small part is separated by filtration through filter 8 by carbon Recovery channel 16 is passed through to in carbon machine 18, realizes the recycling of carbon fuel.Carbon dust needed for pile is housed to carbon machine 18, under Portion is connected to defeated carbon pipe 19, and defeated carbon pipe 19 is equipped with the second control valve 17 for controlling defeated carbon amounts, by some CO2Storage cylinder 11 provides High pressure CO2Through CO2Outlet pipe 12 is mixed with the carbon dust that defeated carbon pipe 19 is conveyed, and to form gas carbon mixture, then passes through gas Carbon mixing tube 21 is delivered to the header box 22 of pile bottom, then by four mixing inlet tubes in quadrangle tangential circle arrangement by gas carbon Mixture is passed into inside SOFC pile 1.It is another to connect in pile bottom four corners there are four pile bracket 24 to support entire pile knot Structure.
As in Figure 2-4, the SOFC pile 1 in the present embodiment includes tubular type SOFC battery pack 25, air conduit 26, air Chamber 27, fixed plate 28 and pile heating plate 29.Wherein, tubular type SOFC battery pack 25 is by four layers of SOFC battery composition, and every layer each five A SOFC monocell.Adjacent S OFC monocell reversed arrangement, adjacent upper and lower level are staggered 90 degree, to enhance the disturbance of carbon fuel.Often A SOFC monocell includes successively from inside to outside cathode 30, electrolyte 31 and anode 32, and 30 longest of cathode, anode 32 are most short.
In the present embodiment, 20 air conduits 26 are set altogether, each air conduit 26 is each passed through the insertion of air chamber 27 In corresponding tubular type SOFC battery pack 25 in each monocell, there are the gaps 2-5mm with cathode 30, for air flowing and yin Pole reacts.Air conduit 26 is fixed on air chamber 22.Air chamber 22 connects outside fixed plate 28, formed to have heat preservation The air chamber of heating makes reacted high temperature air be opened the outflow of air-outlet aperture 3 in 27 bottom of air chamber, and and fuel stream It moves contrary.Fixed plate 28 and SOFC monocell is connected and fixed, height needed for pile heating plate 29 provides pile starting operation Warm environment.
Four mixing inlet tubes 23 access 1 four wall lower right of SOFC pile or lower left, are inserted into 1 interior side of pile It is horizontally disposed using quadrangle tangential circle formula, CO can be made2It is twist flowed inside pile with the mixture of carbon dust.It is inserted into pile Outlet inside 1 is cylindrical type nozzle-like, to improve CO2The injection pressure of toner mixture.
In the present invention, by controlling the second control valve 17, so that carbon recovery channel 16 can be defeated by the complete carbon dust of unreacted Send back to it is described in carbon machine 18, and according to the operating condition of pile, to carbon machine 18 for carbon amounts can by third control valve door 20 into Row control.
The present invention spreads out carbon fuel, uses CO2It carries carbon fuel and enters DC-SOFC, then disturbed by what battery was arranged It is dynamic, so that gas carbon mixture is may be uniformly dispersed in the anode surface of each monocell, and use the high-temperature residual heat pair of discharge air Boudouard reaction carries out heat compensation, it is ensured that the continual and steady progress of Boudouard reaction and pile internal temperature are equal It is even, so that the DC-SOFC service life greatly prolongs.In addition, also carrying out recycling and reusing to the tail gas that DC-SOFC is generated, make to fill Efficiency is set to greatly improve.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention, And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above Change, modification will all be fallen in scope of the presently claimed invention.

Claims (9)

1. a kind of direct carbon solid oxide fuel cell pile, it is characterised in that: including several tubular type SOFC battery packs (25), Several air conduits (26), air chamber (27), fixed plate (28) and pile heating plate (29):
The tubular type SOFC battery pack (25) includes several layers SOFC monocell, and each layer SOFC monocell is from top to bottom staggeredly stacked It places, each layer of SOFC monocell includes several SOFC monocells, and each adjacent two SOFC monocell reversed arrangement side by side；Institute State each SOFC monocell successively includes cathode (30), electrolyte (31) and anode (32) from inside to outside, and cathode (30) longest, Anode (32) is most short；
Each layer SOFC monocell open end successively accompanies fixed plate (28) and pile heating plate (29) from outside to inside, so that tubular type SOFC battery pack (25) is integrally fixed, and fixed plate (28) and pile heating plate (29) are set up vertically；
The air conduit (26) is inserted into corresponding tubular type SOFC battery pack (25) by air chamber (27), and with each SOFC There are the gap 2-5mm so that air flows in battery between monocell cathode (30), the air chamber (27) is set to fixed plate (28) outside forms a cavity, makes reacted air through opening air-outlet aperture (3) outflow in air chamber (27) bottom.
2. direct carbon solid oxide fuel cell pile according to claim 1, it is characterised in that: the mono- electricity of SOFC The number of plies in pond determines that the adjacent upper and lower level SOFC monocell is staggered 90 degree of arrangements, and adjacent single cells are anti-according to power generation needs To arrangement.
3. the power generator of direct carbon solid oxide fuel cell pile according to claim 1 or 2, feature exist In: including SOFC pile (1), CO2Header box (6), CO2Storage cylinder (13) gives carbon machine (18) and the first header box (22), described It is connected in four peripheral wall surfaces of SOFC pile (1) several air inlet ducts (2), SOFC pile (1) bottom surrounding offers several Air-outlet aperture (3)；
The CO2Header box (6) one end passes through CO2Outlet (5) is connected to SOFC pile (1) top, CO2Header box (6) it is another One end is sequentially connected several transport pipelines (7), filter (8), CO2Recovery channel (9), compressor (10) and several CO2Storage cylinder (13)；
Described first header box (22) one end is connected to SOFC pile (1) bottom by mixing inlet tube (23), and mixes entrance Pipe (23) protrudes into SOFC pile (1) inside, and the first header box (22) other end is connected with gas carbon mixing tube (21), CO in turn2Out Feed channel (14) and several CO2Storage cylinder (13)；
It is described to be set to gas carbon mixing tube (21) and CO to carbon machine (18)2It is logical to the bottom of carbon machine (18) between outlet pipe (14) It crosses defeated carbon pipe (19) and is connected to gas carbon mixing tube (21) and CO2Between outlet pipe (14), gives at the top of carbon machine (18) and pass through carbon Recovery channel (16) is connected to filter (8).
4. the power generator of direct carbon solid oxide fuel cell pile according to claim 3, it is characterised in that: institute It states SOFC pile (1) top and fixed end cap (4), each CO is installed2Outlet (5) stands on fixed end cap (4) vertically, and each CO2Outlet (5) is connected to CO2Header box (6) bottom；The SOFC pile (1) is led to if bottom is equipped with dry pile bracket (24) It crosses pile bracket (24) and SOFC pile (1) is supported into fixation.
5. the power generator of direct carbon solid oxide fuel cell pile according to claim 4, it is characterised in that: institute State the CO between filter (8) and compressor (10)2Recovery channel (9) is equipped with the first control valve (11), the carbon recycling Pipeline (16) is equipped with the second control valve (17)；The defeated carbon pipe (19) is equipped with third control valve door (20).
6. the power generator of direct carbon solid oxide fuel cell pile according to claim 5, it is characterised in that: institute State each CO2Storage cylinder (13) is in parallel, each CO2CO is separately connected at storage cylinder (13) air inlet and at outlet2Recovery channel (9) and CO2Outlet pipe (14)；And each CO2Storage cylinder (13) is equipped with corresponding air intake valve (12) and outlet valve (15)。
7. the power generator of direct carbon solid oxide fuel cell pile according to claim 5, it is characterised in that: institute Each mixing inlet tube (23) access SOFC pile (1) lower right or lower left are stated, is inserted into pile in mixing inlet tube (23) Internal side is horizontally disposed using quadrangle tangential circle formula, and the exit of each mixing inlet tube (23) is in cylindrical type nozzle Shape.
8. the power generator of direct carbon solid oxide fuel cell pile, feature according to claim 3 or 6 exist In: the CO2Storage cylinder (11) is multistage storage cylinder, according to the operating condition of pile, each corresponding air intake valve 10 and is gone out Air valve 13 do not need all open simultaneously, with meet pile needs take carbon CO2Subject to amount, remaining CO2 storage cylinder storage is full After can transport to and use elsewhere, then with empty storage cylinder replacement.
9. direct carbon solid oxide fuel cell pile according to claim 3 and its power generator, it is characterised in that: Second control valve (17) control carbon recovery channel (16) the complete carbon dust of unreacted is transmitted back to it is described in carbon machine (18), And according to the operating condition of pile, to being controlled for carbon amounts by third control valve door (20) for carbon machine (18).
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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN110752399A (en) * 2019-08-14 2020-02-04 华南理工大学 Tube type direct carbon solid oxide fuel battery pack with reusable row structure
CN114122471A (en) * 2021-11-26 2022-03-01 江苏科技大学 Methanol solid oxide fuel cell and power generation system comprising same
WO2024081697A1 (en) * 2022-10-11 2024-04-18 Form Energy, Inc. Carbon-oxygen battery and method of use thereof

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