CN216250809U - Fuel reformer for solid fuel cell system - Google Patents
Fuel reformer for solid fuel cell system Download PDFInfo
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- CN216250809U CN216250809U CN202122770919.7U CN202122770919U CN216250809U CN 216250809 U CN216250809 U CN 216250809U CN 202122770919 U CN202122770919 U CN 202122770919U CN 216250809 U CN216250809 U CN 216250809U
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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
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Abstract
The utility model discloses a fuel reformer for a solid fuel cell system, which is characterized by comprising: the device comprises a high-temperature flue gas channel, a tail gas recovery channel, a raw gas inlet channel, a raw gas preheating cavity, a tube type raw gas reforming channel, a reformed gas heating cavity and a reformed gas outlet channel. The fuel reformer for the solid fuel cell system preheats the raw material gas to the reforming reaction temperature by the high-temperature flue gas in the channel in an integrated mode, simultaneously provides heat required by the reforming reaction for the raw material gas reacted in the tubular reforming channel, and fully heats the reformed gas before the reformed gas flows out. The fuel reformer integrates the heat exchange and reforming functions, and the integrated design is favorable for reducing the volume of equipment and improving the heat exchange efficiency and the conversion rate of raw materials.
Description
Technical Field
The utility model relates to the technical field of new energy, in particular to a fuel reformer for a solid-state fuel cell system.
Background
At present, an energy system mainly based on petrochemical energy brings huge environmental problems, becomes a bottleneck of economic development, and urgently needs an environment-friendly new energy technology for solving the problem of environmental pollution and relieving greenhouse effect. The Solid Oxide Fuel Cell (SOFC) is a device capable of converting chemical energy in fuel into electric energy, and the working temperature of the SOFC is 500-1000 ℃. Due to the high working temperature, the SOFC can directly use the hydrocarbons converted from fossil energy and biomass energy as fuel, and efficiently convert chemical energy into electric energy through external or internal reforming reaction and electrochemical reaction in the electrode. Compared with other fuel cells, SOFC fuel has the advantages of flexibility, no need of expensive catalyst, environmental friendliness, high conversion rate and the like, but also has some new challenges.
In the prior art, fuel reforming for an SOFC solid fuel cell system is carried out by combining a plurality of heat exchangers and reformers, the structure is complex, and the reforming effect is poor.
Disclosure of Invention
The purpose of the utility model is as follows: the utility model aims to solve the technical problem of the prior art and provides a fuel reformer for a solid fuel cell system, which comprises a high-temperature flue gas channel, a tail gas recovery channel, a raw gas inlet channel, a raw gas preheating cavity, a tube type raw gas reforming channel, a reformed gas heating cavity and a reformed gas outlet channel. The fuel reformer for the SOFC solid fuel cell system preheats the raw material gas to the reforming reaction temperature by using high-temperature flue gas in the channels in an integrated mode, simultaneously provides heat required by the reforming reaction for the raw material gas reacted in the tubular reforming channels, and fully heats the reformed gas before the reformed gas flows out. The fuel reformer integrates the heat exchange and reforming functions, and the integrated design is favorable for reducing the volume of equipment and improving the heat exchange efficiency and the conversion rate of raw materials.
In order to solve the above technical problem, the present invention discloses a fuel reformer for a solid state fuel cell system, comprising: the device comprises a high-temperature flue gas channel, a tail gas recovery channel, a raw gas inlet channel, a raw gas preheating cavity, a tube type raw gas reforming channel, a reformed gas heating cavity and a reformed gas outlet channel.
In the utility model, the feed gas inlet channel is a channel for external feed gas to enter the feed gas preheating cavity.
In the utility model, the feed gas preheating cavity is a space for fully exchanging heat with high-temperature flue gas before the feed gas is subjected to reforming reaction.
In the utility model, the tubular raw material gas reforming channel is a device for carrying out catalytic reaction on preheated raw material gas, and the tubular raw material gas reforming channel is filled with a catalyst.
In the utility model, the reformed gas heating cavity is a space for fully exchanging heat between the gas after the raw gas reforming reaction and the high-temperature flue gas before the gas is discharged.
In the utility model, the reformed gas outlet channel is a channel for providing the reformed gas to the outside;
in the utility model, the tail gas recovery channel is a channel for recovering and utilizing SOFC electric stack tail gas. And the tail gas of the galvanic pile enters the reformer through the tail gas recovery channel for secondary utilization.
In the utility model, the high-temperature flue gas channel is a channel for passing high-temperature flue gas through the reformer, and the high-temperature flue gas provides heat required by reformed gas, reforming reaction and feed gas in the channel.
In the utility model, the reformer is provided with temperature monitoring points in the raw material gas preheating cavity and the reformed gas heating cavity, and the temperature of each part of medium and the temperature of the reformer at the flue gas outlet are detected.
Has the advantages that:
the integrated fuel reformer has the advantages of small volume, compact structure, high heat exchange efficiency, high raw material conversion rate and convenient installation.
Drawings
The foregoing and/or other advantages of the utility model will become further apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic configuration diagram of a fuel reformer for a solid state fuel cell system.
FIG. 2 is a schematic diagram of a feed gas preheating chamber tube plate structure according to the present invention.
Description of reference numerals:
10-raw gas inlet channel;
20-raw material gas preheating cavity;
2010-feed gas preheating cavity end plate; 2020-feed gas preheating cavity tube plate
30-shell and tube type raw material gas reforming channel;
3010-low temperature reforming catalyst; 3020-high temperature reforming catalyst;
40-reformed gas heating chamber;
4010-reformed gas heating chamber end plate; 4020-reformed gas heating cavity tube plate
50-reformed gas outlet channel;
60-a tail gas recovery channel;
70-high temperature flue gas channel;
7010-high temperature flue gas inlet; 7020-high temperature flue gas inlet channel; 7030-high temperature flue gas outlet channel; 7040-high temperature flue gas outlet; 7050-measuring the temperature of the high-temperature flue gas outlet; 7060-measuring point of preheating temperature of raw material gas; 7070-reforming ambient temperature measurement point; 7080-measuring the heating temperature of the reformed gas;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The utility model is described in further detail below with reference to the accompanying examples.
The present embodiment discloses a fuel reformer for a solid state fuel cell system. As shown in fig. 1, includes: the device comprises a high-temperature flue gas channel 70, a tail gas recovery channel 60, a raw gas inlet channel 10, a raw gas preheating cavity 20, a tube type raw gas reforming channel 30, a reformed gas heating cavity 40 and a reformed gas outlet channel 50. The feed gas inlet channel 10 is a channel for external feed gas to enter the feed gas preheating cavity; as shown in fig. 2, the raw material gas preheating chamber 20 is a space for fully exchanging heat with high-temperature flue gas before the raw material gas undergoes a reforming reaction, and includes a raw material gas preheating chamber end plate 2010 and a raw material gas preheating chamber tube plate 2020. The shell and tube type raw material gas reforming passage 30 is a device for carrying out catalytic reaction on the preheated raw material gas. The tubes are filled with low-temperature catalyst 3010 and high-temperature catalyst 3020. The filling ratio of the low-temperature catalyst 3010 to the high-temperature catalyst 3020 is related to the catalyst performance, and is generally 1: 1. the reformed gas heating chamber 40 is a space for sufficient heat exchange between the gas after the raw gas reforming reaction and the high-temperature flue gas before the gas is discharged. The reformed-gas outlet passage 50 is a passage for supplying the reformed gas to the outside. The tail gas recovery channel 60 is a channel for recovering and utilizing SOFC (solid oxide fuel cell) stack tail gas, and the stack tail gas enters the reformer for secondary utilization through the tail gas recovery channel 60. The high-temperature flue gas channel 70 is a channel through which high-temperature flue gas passes through the reformer, and includes a high-temperature flue gas inlet 7010, a high-temperature flue gas inlet channel 7020, a high-temperature flue gas outlet channel 7030, and a high-temperature flue gas outlet 7040. Temperature monitoring points are arranged on the feed gas preheating cavity 20 and the reformed gas heating cavity 40: a high-temperature flue gas outlet temperature measuring point 7050, a raw gas preheating temperature measuring point 7060, a reforming environment temperature measuring point 7070 and a reformed gas heating temperature measuring point 7080. The high-temperature flue gas provides required heat for reformed gas, reforming reaction and raw gas in the channel. The high-temperature flue gas passing area 80 is formed by the outer wall of a raw material gas preheating cavity tube plate 2020, the outer wall of a reformed gas heating cavity tube plate 4020, the outer wall of a shell and tube type raw material gas reforming channel 30 and a high-temperature flue gas channel 70.
While the present invention provides a fuel reformer for a solid state fuel cell system, and a method and a means for implementing the same, it is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various modifications and enhancements without departing from the principles of the present invention, and such modifications and enhancements should be considered as within the scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.
Claims (10)
1. A fuel reformer for a solid state fuel cell system, characterized in that: comprises a high-temperature flue gas channel (70), a raw material gas inlet channel (10), a raw material gas preheating cavity (20), two or more tube type raw material gas reforming channels (30), a reformed gas heating cavity (40) and a reformed gas outlet channel (50); the two or more tube type raw material gas reforming channels (30) and the high-temperature flue gas passing area (80) are arranged in the high-temperature flue gas channel (70); a feed gas preheating cavity (20) is arranged at the top of the high-temperature flue gas channel (70); a reformed gas heating cavity (40) is arranged at the bottom of the high-temperature flue gas channel (70); the raw gas preheating cavity (20) is communicated with the reformed gas heating cavity (40) through a raw gas reforming channel (30); the raw material gas preheating cavity (20) is communicated with a raw material gas inlet channel (10), and the reformed gas heating cavity (40) is communicated with a reformed gas outlet channel (50); the shell and tube raw material gas reforming passage (30) and the high-temperature flue gas passing region (80) perform heat exchange.
2. A fuel reformer for a solid state fuel cell system according to claim 1, characterized in that:
the feed gas preheating cavity (20) comprises a feed gas preheating cavity end plate (2010) and a feed gas preheating cavity tube plate (2020);
the reformed gas heating cavity (40) comprises a reformed gas heating cavity end plate (4010) and a reformed gas heating cavity tube plate (4020);
the raw material gas preheating cavity end plate (2010) is connected with the reformed gas heating cavity end plate (4010) through the more than two tube type raw material gas reforming channels (30), so that the raw material gas preheating cavity (20) is communicated with the reformed gas heating cavity (40).
3. A fuel reformer for a solid state fuel cell system according to claim 1 or 2, characterized in that: the high-temperature flue gas channel (70) comprises a high-temperature flue gas inlet (7010), a high-temperature flue gas inlet channel (7020), a high-temperature flue gas outlet channel (7030) and a high-temperature flue gas outlet (7040) which are sequentially connected from bottom to top;
high-temperature flue gas enters from a high-temperature flue gas inlet (7010), sequentially passes through a high-temperature flue gas inlet channel (7020), a high-temperature flue gas passing area and a high-temperature flue gas outlet channel (7030), and is discharged from a high-temperature flue gas outlet (7040).
4. A fuel reformer for a solid state fuel cell system according to claim 1, characterized in that: temperature monitoring points are arranged on the raw gas preheating cavity (20) and the reformed gas heating cavity (40), and each temperature monitoring point comprises a high-temperature flue gas outlet temperature measuring point (7050), a raw gas preheating temperature measuring point (7060), a reforming environment temperature measuring point (7070) and a reformed gas heating temperature measuring point (7080).
5. A fuel reformer for a solid state fuel cell system according to claim 1, characterized in that: the catalyst is filled in the tubes of the two or more tube type raw material gas reforming channels (30), and comprises a low-temperature catalyst (3010) and a high-temperature catalyst (3020), wherein the low-temperature catalyst (3010) and the high-temperature catalyst (3020) are filled from top to bottom.
6. A fuel reformer for a solid state fuel cell system according to claim 4, characterized in that: the high-temperature flue gas outlet temperature measuring point (7050) is arranged on the high-temperature flue gas outlet channel (7030).
7. A fuel reformer for a solid state fuel cell system according to claim 4, characterized in that: the feed gas preheating temperature measuring point (7060) is arranged on the feed gas preheating cavity (20).
8. A fuel reformer for a solid state fuel cell system according to claim 4, characterized in that: the reforming environment temperature measuring point (7070) is arranged on the shell and tube raw material gas reforming channel (30).
9. A fuel reformer for a solid state fuel cell system according to claim 4, characterized in that: the reformed gas heating temperature measuring point (7080) is arranged on the reformed gas heating cavity (40).
10. A fuel reformer for a solid state fuel cell system according to claim 1 or 2, characterized in that: the device comprises a tail gas recovery channel (60) arranged at the bottom of a high-temperature flue gas channel (70), wherein the tail gas recovery channel (60) recovers external gas to enter the reformer for secondary utilization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122770919.7U CN216250809U (en) | 2021-11-12 | 2021-11-12 | Fuel reformer for solid fuel cell system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122770919.7U CN216250809U (en) | 2021-11-12 | 2021-11-12 | Fuel reformer for solid fuel cell system |
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| CN216250809U true CN216250809U (en) | 2022-04-08 |
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| CN202122770919.7U Active CN216250809U (en) | 2021-11-12 | 2021-11-12 | Fuel reformer for solid fuel cell system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114988363A (en) * | 2022-07-25 | 2022-09-02 | 广东佛燃科技有限公司 | Reformer design for solid oxide fuel cell system and method of operation |
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2021
- 2021-11-12 CN CN202122770919.7U patent/CN216250809U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114988363A (en) * | 2022-07-25 | 2022-09-02 | 广东佛燃科技有限公司 | Reformer design for solid oxide fuel cell system and method of operation |
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