CN110600774A - Integrated BOP system of solid oxide fuel cell integration - Google Patents
Integrated BOP system of solid oxide fuel cell integration Download PDFInfo
- Publication number
- CN110600774A CN110600774A CN201910936367.7A CN201910936367A CN110600774A CN 110600774 A CN110600774 A CN 110600774A CN 201910936367 A CN201910936367 A CN 201910936367A CN 110600774 A CN110600774 A CN 110600774A
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- CN
- China
- Prior art keywords
- flue gas
- chamber
- temperature flue
- bop system
- heat exchange
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- 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.)
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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
-
- 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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- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention relates to a solid oxide fuel cell integrated BOP system. The system comprises a combustion chamber positioned at the center, an air heat exchange chamber is arranged on the periphery of the combustion chamber in a wrapping mode, a high-temperature flue gas channel is arranged on the periphery of the air heat exchange chamber in the wrapping mode, the high-temperature flue gas channel is communicated with the combustion chamber, a fuel reforming chamber is arranged on the periphery of the high-temperature flue gas channel in the wrapping mode, a fuel air inlet is formed in the combustion chamber, an air inlet and an air outlet are formed in the air heat exchange chamber, a flue gas outlet is formed in the high-temperature flue gas channel, and a fuel gas inlet. According to the BOP system provided by the invention, the combustion chamber, the air heat exchange chamber, the high-temperature flue gas channel and the fuel reforming chamber are sequentially arranged layer by layer without pipeline connection, the whole heat is transferred layer by layer to form a high-efficiency heat exchange system, the heat utilization rate is high, and the manufacturing cost is low.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to a solid oxide fuel cell integrated BOP system.
Background
The fuel cell is an energy conversion device for directly converting chemical energy of fuel into electric energy, has the advantages of high efficiency, no pollution, low noise and the like, and has wide application prospect in the fields of power supplies, standby power supplies and mobile power supplies. The fuel cell is to be applied, and a peripheral BOP system with complete functions is required to be equipped, and the peripheral BOP system mainly comprises a heat exchanger, a reformer, a combustor and the like, wherein the devices respectively have the following functions: the heat exchanger is mainly used for preheating air entering a cathode of the electric pile to a required temperature, the reformer is used for reforming hydrocarbon fuel such as methane into mixed gas rich in hydrogen, and the combustor is used for recovering fuel which is not completely reacted by the electric pile and providing required heat for the heat exchanger and the reformer.
The existing BOP system is mainly integrated in a way of connecting pipelines by adopting split type equipment, so that the problems of large volume, low efficiency, high cost and difficult large-scale application are brought.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides the integrated BOP system for the solid oxide fuel cell, wherein the function of devices such as a heat exchanger, a reformer, a combustor and the like is integrated in the BOP system, connecting pipelines are eliminated, and the whole system has the advantages of small volume, compact structure, low manufacturing cost and high heat utilization rate.
The technical scheme for solving the technical problems is as follows: the utility model provides an integrated BOP system of solid oxide fuel cell integration, is provided with the air heat transfer room including the periphery cladding that is located the combustion chamber at center, combustion chamber, and the periphery cladding of air heat transfer room is provided with high temperature flue gas passageway, high temperature flue gas passageway and combustion chamber intercommunication, and the periphery cladding of high temperature flue gas passageway is provided with fuel reforming chamber, the fuel air inlet has been seted up on the combustion chamber, air inlet and air outlet have been seted up on the air heat transfer room, flue gas outlet has been seted up on the high temperature flue gas passageway, gas air inlet and gas outlet have been seted up on the fuel reforming chamber.
The invention arranges the combustion chamber at the central position, the air heat exchange chamber, the high-temperature flue gas channel and the fuel reforming chamber are sequentially covered, the high-temperature flue gas generated by the combustion of the burner in the combustion chamber is discharged through the high-temperature flue gas channel, the air heat exchange chamber is positioned between the combustion chamber and the high-temperature flue gas channel, the air entering the cathode of the pile can be preheated by fully utilizing the heat generated by the combustion, the fuel reforming chamber is arranged at the outer side of the high-temperature flue gas channel, and the high-temperature flue gas channel can also preheat the fuel at the same time.
Specifically, integrated BOP system of solid oxide fuel cell integration is cylindric structure, the one end of cylindric structure is with the hemisphere as seal structure, and the other end is sealed with the flat board, the combustion chamber is located the center of cylindric structure, fuel air inlet, air outlet, flue gas outlet, gas air inlet and gas outlet all set up on the flat board.
Preferably, the air heat exchange chamber and/or the high-temperature flue gas channel and/or the fuel reforming chamber are/is internally provided with a backflow prevention device.
Preferably, the backflow preventer comprises a partition board, and the partition board divides the air heat exchange chamber or the high-temperature flue gas channel or the fuel reforming chamber into at least two cavities with communicated bottoms.
Specifically, the air heat exchange chamber or the high-temperature flue gas channel or the fuel reforming chamber is divided into two cavities with equal volumes by the partition plate, and the partition plate in the high-temperature flue gas channel is perpendicular to the partition plates in the air heat exchange chamber and the fuel reforming chamber.
Preferably, an S-shaped channel for gas to pass through is arranged in the backflow preventer.
Specifically, the backflow prevention device comprises partition plates, an upper baffle plate located above the partition plates and a lower baffle plate located below the partition plates, wherein two adjacent partition plates are respectively fixed on the upper baffle plate and the lower baffle plate and respectively leave a gap for gas to pass through between the upper baffle plate and the lower baffle plate.
Preferably, a plurality of S-shaped channels for gas to pass through are vertically arranged in parallel in the backflow prevention device, and each S-shaped channel is provided with a gas inlet and a gas outlet.
Preferably, the S-shaped channel is horizontally arranged around the S-shaped channel.
Preferably, the air heat exchange chamber and/or the high-temperature flue gas channel and/or the fuel reforming chamber are filled with heat insulation materials.
The solid oxide natural and old battery integrated BOP system provided by the invention has the following beneficial technical effects:
(1) according to the BOP system, the combustion chamber, the air heat exchange chamber, the high-temperature flue gas channel and the fuel reforming chamber are sequentially arranged layer by layer without pipeline connection, the whole heat is transferred layer by layer to form a high-efficiency heat exchange system, the heat utilization rate is high, and the manufacturing cost is low;
(2) the whole system is designed into a cylindrical structure, and the input and output gas connecting pipelines are concentrated at the outlet at the same end of the cylindrical structure, so that the whole system is small in size, convenient for system integration with the electric pile, and lays a foundation for promoting large-scale industrial application of the solid oxide fuel cell system;
(3) set up anti-return device in each passageway, the dwell time of extension gas in the passageway, whole device effect is better.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic structural view of a cross section of the BOP system of example 1;
FIG. 4 is a schematic structural view of a cross section of the BOP system of example 2;
in the drawings, the components represented by the respective reference numerals are listed below:
in the figure, a combustion chamber 1, an air heat exchange chamber 2, a high-temperature flue gas channel 3, a fuel reforming chamber 4, a partition plate 5, a fuel gas inlet 11, an air inlet 21, an air outlet 22, a flue gas outlet 31, a fuel gas inlet 41 and a fuel gas outlet 42 are arranged.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1 and 2, an integrated BOP system of solid oxide fuel cell integration, including the combustion chamber 1 that is located the center, the periphery cladding of combustion chamber 1 is provided with air heat exchange chamber 2, the periphery cladding of air heat exchange chamber 2 is provided with high temperature flue gas passageway 3, high temperature flue gas passageway 3 and combustion chamber 1 intercommunication, the periphery cladding of high temperature flue gas passageway 3 is provided with fuel reforming chamber 4, fuel air inlet 11 has been seted up on the combustion chamber 1, air inlet 21 and air outlet 22 have been seted up on the air heat exchange chamber 2, flue gas outlet 31 has been seted up on the high temperature flue gas passageway 3, gas inlet 41 and gas outlet 42 have been seted up on fuel reforming chamber 4.
According to the invention, the combustion chamber 1 is arranged at the central position, the air heat exchange chamber 2, the high-temperature flue gas channel 3 and the fuel reforming chamber 4 are sequentially coated, high-temperature flue gas generated by combustion of the combustion chamber 1 is discharged after passing through the high-temperature flue gas channel 3, the air heat exchange chamber 2 is positioned between the combustion chamber 1 and the high-temperature flue gas channel 3, the air entering the cathode of the pile can be preheated by fully utilizing heat generated by combustion, functional components respectively realized from the center to the outside of the integral framework are similar to a burner, an air heat exchanger and a fuel reformer, the integrated BOP system is not connected by pipelines, the integral heat forms a high-efficiency heat exchange system through layer-by-layer transmission, the heat utilization rate is high, and the manufacturing cost is.
In this embodiment, the integrated BOP system of solid oxide fuel cell integration is cylindric structure, and the one end of cylindric structure is sealed with the flat board as seal structure with the hemisphere, the other end, and combustion chamber 1 is located cylindric structure's center, and fuel inlet 11, air inlet 21, air outlet 22, flue gas outlet 31, gas air inlet 41 and gas outlet 42 are all seted up on the flat board. The whole system is designed into a cylindrical structure, and the input and output gas connecting pipelines are concentrated at the outlet at the same end of the cylindrical structure, so that the whole system is small in size and convenient to integrate with the galvanic pile.
In this embodiment, a backflow prevention device capable of preventing gas from flowing back is further arranged in the air heat exchange chamber 2 and/or the high-temperature flue gas channel 3 and/or the fuel reforming chamber 4.
In this embodiment, the backflow prevention device includes a partition plate 5, the partition plate 5 separates the air heat exchange chamber 2 or the high temperature flue gas channel 3 or the fuel reforming chamber 4 into at least two cavities with bottoms communicated with each other, and the bottoms of the cavities can be communicated with each other directly through the hemispherical cavity at the lower part, or can be communicated with each other through holes on the partition plate arranged in the hemispherical cavity. Wherein one cavity in the air heat exchange chamber 2 and the fuel reforming chamber 4 is communicated with the air inlet, the other cavity is communicated with the air outlet, and the cavities of the high-temperature flue gas channel 3 are communicated with the flue gas outlet 31, and particularly, the upper parts of the cavities communicated with the same air outlet can be ensured to be communicated with each other when being arranged, and the air heat exchange chamber can be simply realized through the difference of the lengths of the partition plates. The air entering the air heat exchange chamber 2 enters a cavity, enters another cavity from the bottom of the cavity, is converged above the other cavity and is discharged; the fuel gas entering the fuel reforming chamber 4 enters a cavity, enters another cavity from the bottom of the cavity, is converged above the other cavity and is discharged; the high-temperature flue gas generated in the combustion chamber 1 is discharged from the bottom, uniformly enters each cavity in the high-temperature flue gas channel 3, and is finally discharged through the flue gas outlet 31.
In addition, as shown in fig. 3, the partition plate 5 may further divide the air heat exchange chamber 2, the high temperature flue gas channel 3, or the fuel reforming chamber 4 into two cavities with equal volumes, the partition plate in the high temperature flue gas channel 3 is perpendicular to the partition plates in the air heat exchange chamber 2 and the fuel reforming chamber 4, the bottom of the air heat exchange chamber 2, the high temperature flue gas channel 3, or the fuel reforming chamber 4 may also be provided with a partition plate, the partition plate divides the hemispherical structure of the bottom into two half chambers, the partition plate is provided with holes for gas circulation, and gas circulates in the two cavities through the holes of the partition plate.
In addition, in this embodiment, the air heat exchange chamber 2 and the high-temperature flue gas channel 3 are further filled with heat insulation materials, and the high-temperature flue gas is discharged after passing through the heat insulation materials; meanwhile, the fuel reforming chamber 4 can be filled with a catalyst and a heat insulation material, and the heat insulation material can be ceramic heat insulation particles with the particle size of 0.1mm-1 mm.
In this embodiment, the diameter of the cylinder of the combustion chamber 1 is 200mm, the thickness of each layer of cylinder is 10mm, the width of the gap between the air heat exchange chamber 2 and the outer wall of the combustion chamber 1 is 39mm, the width of the gap between the high-temperature flue gas channel 3 and the outer wall of the air heat exchange chamber 2 is 39mm, and the gap between the fuel reforming chamber and the outer wall of the high-temperature flue gas channel 3 is 9 mm. The air enters the combustion chamber 1 at the flow rate of 280L/min at the normal temperature state and finally flows out at the temperature of 700 ℃; the fuel enters the fuel reforming chamber 4 at the flow rate of 4.2L/min at normal temperature and finally flows out at the temperature of 700 ℃, and the reforming efficiency of the fuel of the electric pile reaches 80 percent.
Example 2
The present embodiment is different from embodiment 1 in that an S-shaped passage through which gas passes is provided in the backflow preventing device, and the gas staying time is extended by providing the S-shaped passage. The S-shaped channel can be horizontally arranged in a surrounding mode or vertically arranged in parallel, when the S-shaped channel is vertically arranged in parallel, the S-shaped channel can be further arranged in a plurality of modes, when the S-shaped channel is vertically arranged in parallel, the S-shaped channel can be arranged in a plurality of modes according to needs, and each S-shaped channel is provided with a gas inlet and a gas outlet according to needs, and the reference of the figure 3 is made.
Specifically, as shown in fig. 4 (fig. 4 shows the backflow preventer only in the flue gas channel), the backflow preventer includes a partition plate 5, an upper baffle plate located above the partition plate 5, and a lower baffle plate located below the partition plate 5, two adjacent partition plates 5 are respectively fixed on the upper baffle plate and the lower baffle plate, and a gap through which gas passes is respectively left between the two adjacent partition plates 5 and the lower baffle plate, so as to form an S-shaped channel through which gas passes.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides an integrated BOP system of solid oxide fuel cell integration, its characterized in that, is provided with air heat transfer room (2) including the periphery cladding of the combustion chamber (1), the combustion chamber (1) that are located the center, and the periphery cladding of air heat transfer room (2) is provided with high temperature flue gas passageway (3), and high temperature flue gas passageway (3) and combustion chamber (1) intercommunication, the periphery cladding of high temperature flue gas passageway (3) are provided with fuel reforming chamber (4), fuel air inlet (11) have been seted up on combustion chamber (1), air inlet (21) and air outlet (22) have been seted up on air heat transfer room (2), flue gas outlet (31) have been seted up on high temperature flue gas passageway (3), gas inlet (41) and gas outlet (42) have been seted up on fuel reforming chamber (4).
2. The integrated BOP system of claim 1, wherein the integrated BOP system is a cylindrical structure, one end of the cylindrical structure is sealed by a hemisphere and the other end is sealed by a flat plate, the combustion chamber (1) is located in the center of the cylindrical structure, and the fuel inlet (11), the air inlet (21), the air outlet (22), the flue gas outlet (31), the gas inlet (41) and the gas outlet (42) are all arranged on the flat plate.
3. The integrated BOP system according to claim 1, wherein backflow prevention devices are arranged in the air heat exchange chamber (2) and/or the high-temperature flue gas channel (3) and/or the fuel reforming chamber (4).
4. The integrated BOP system according to claim 3, wherein the backflow preventer comprises a partition (5), and the partition (5) divides the air heat exchange chamber (2) or the high temperature flue gas channel (3) or the fuel reforming chamber (4) into at least two cavities with communicated bottoms.
5. The integrated BOP system according to claim 4, wherein the partition (5) divides the air heat exchange chamber (2) or the high temperature flue gas channel (3) or the fuel reforming chamber (4) into two equal-volume cavities, and the partition in the high temperature flue gas channel (3) is perpendicular to the partitions in the air heat exchange chamber (2) and the fuel reforming chamber (4).
6. The integrated BOP system of claim 3, wherein the backflow preventer has an S-shaped channel for gas to pass through.
7. The integrated BOP system according to claim 6, wherein the backflow preventer comprises a partition (5), an upper baffle above the partition (5), and a lower baffle below the partition (5), and two adjacent partitions (5) are respectively fixed on the upper baffle and the lower baffle with a gap for gas to pass through.
8. The integrated BOP system of claim 7, wherein a plurality of S-shaped channels for gas to pass through are vertically arranged in parallel in the backflow preventer, and each S-shaped channel is provided with a gas inlet and a gas outlet.
9. The integrated BOP system of claim 6, wherein the S-channel is horizontally disposed around the BOP system.
10. The integrated BOP system according to claim 1, wherein the air heat exchange chamber (2) and/or the high temperature flue gas channel (3) and/or the fuel reforming chamber (4) are filled with heat insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910936367.7A CN110600774B (en) | 2019-09-29 | 2019-09-29 | Integrated BOP system of solid oxide fuel cell integration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910936367.7A CN110600774B (en) | 2019-09-29 | 2019-09-29 | Integrated BOP system of solid oxide fuel cell integration |
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| Publication Number | Publication Date |
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| CN110600774A true CN110600774A (en) | 2019-12-20 |
| CN110600774B CN110600774B (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910936367.7A Active CN110600774B (en) | 2019-09-29 | 2019-09-29 | Integrated BOP system of solid oxide fuel cell integration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115000451A (en) * | 2022-05-07 | 2022-09-02 | 华中科技大学 | Compact SOFC power system |
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| CN1430303A (en) * | 2001-12-25 | 2003-07-16 | 松下电器产业株式会社 | Hydrogen generating device and fuel cell system containing it |
| CN101529635A (en) * | 2006-10-20 | 2009-09-09 | 丰田自动车株式会社 | Fuel cell system |
| JP2010024075A (en) * | 2008-07-17 | 2010-02-04 | Fuji Electric Holdings Co Ltd | Combustion device and fuel reforming apparatus |
| CN103904350A (en) * | 2014-04-09 | 2014-07-02 | 华东理工大学 | Auxiliary component for SOFC system capable of integrating heat exchange and catalytic reaction |
| CN206249186U (en) * | 2016-09-05 | 2017-06-13 | 勤诚兴业股份有限公司 | Anti-return baffle arrangement in cabinet |
| CN108662304A (en) * | 2018-06-25 | 2018-10-16 | 江苏迪威高压科技股份有限公司 | A kind of modified anti-return pipeline |
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2019
- 2019-09-29 CN CN201910936367.7A patent/CN110600774B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1430303A (en) * | 2001-12-25 | 2003-07-16 | 松下电器产业株式会社 | Hydrogen generating device and fuel cell system containing it |
| CN101529635A (en) * | 2006-10-20 | 2009-09-09 | 丰田自动车株式会社 | Fuel cell system |
| JP2010024075A (en) * | 2008-07-17 | 2010-02-04 | Fuji Electric Holdings Co Ltd | Combustion device and fuel reforming apparatus |
| CN103904350A (en) * | 2014-04-09 | 2014-07-02 | 华东理工大学 | Auxiliary component for SOFC system capable of integrating heat exchange and catalytic reaction |
| CN206249186U (en) * | 2016-09-05 | 2017-06-13 | 勤诚兴业股份有限公司 | Anti-return baffle arrangement in cabinet |
| CN108662304A (en) * | 2018-06-25 | 2018-10-16 | 江苏迪威高压科技股份有限公司 | A kind of modified anti-return pipeline |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115000451A (en) * | 2022-05-07 | 2022-09-02 | 华中科技大学 | Compact SOFC power system |
| CN115000451B (en) * | 2022-05-07 | 2023-11-28 | 华中科技大学 | Compact SOFC power system |
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| Publication number | Publication date |
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| CN110600774B (en) | 2021-03-09 |
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