CN221041185U - Solid oxide fuel cell pile connecting device - Google Patents
Solid oxide fuel cell pile connecting device Download PDFInfo
- Publication number
- CN221041185U CN221041185U CN202322610717.5U CN202322610717U CN221041185U CN 221041185 U CN221041185 U CN 221041185U CN 202322610717 U CN202322610717 U CN 202322610717U CN 221041185 U CN221041185 U CN 221041185U
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- air inlet
- air
- base shell
- pile
- flow channel
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- 239000000446 fuel Substances 0.000 title claims abstract description 23
- 239000007787 solid Substances 0.000 title claims abstract description 20
- 229920000742 Cotton Polymers 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims 3
- 239000007789 gas Substances 0.000 abstract description 16
- 238000003466 welding Methods 0.000 abstract description 5
- 239000002737 fuel gas Substances 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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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- Fuel Cell (AREA)
Abstract
The utility model relates to a solid oxide fuel cell stack connecting device. The electric pile comprises two groups of electric piles which are connected through an air inlet plate and an air outlet plate, wherein the air inlet pipe and the air outlet pipe are respectively arranged at two ends of the air inlet plate and the air outlet plate, a containing cavity is arranged in a base shell of the air inlet plate, an air inlet hole is formed in the base shell, the air inlet hole is communicated with the containing cavity, and the end face, connected with the base shell, of the electric pile covers the air inlet hole; the air guide plate is provided with a flow channel and an air outlet hole, the flow channel penetrates through the front side wall and the rear side wall of the air guide plate, one end of the flow channel corresponds to the air inlet pipe, the other end of the flow channel corresponds to the air outlet pipe, and the air outlet hole is communicated with the flow channel; the air guide plate is arranged in the accommodating cavity, and the air outlet holes correspond to the air inlet holes. The upright pile and the inverted pile are connected through the air inlet and outlet plates to form a pile module, so that fuel gas is uniformly distributed to the upper pile and the lower pile, the consistency of the temperature of the gas entering the pile module is ensured, and meanwhile, the combined pile module reduces the welding quantity of the air inlet and outlet pipes and the air inlet and outlet plates, and reduces the risks of gas leakage and pile damage.
Description
Technical Field
The utility model belongs to the technical field of pile connection, and particularly relates to a solid oxide fuel cell pile connection device.
Background
At present, the solid oxide fuel cell is mainly applied to small-sized household cogeneration projects, but cannot be applied to large-sized power stations, and the solid oxide fuel cell has a plurality of defects related to the solid oxide fuel cell, such as: high working temperature, long starting time, high material requirement, sealing problem, high manufacturing cost of parts and the like. In order to realize a high-power generation system, integration among a plurality of solid oxide fuel cell stacks is required to form a stack module. The consistency of the power generation performance between stacks directly affects the power generation performance and the operation stability of the system, which requires that the temperature between stacks be kept consistent. Current solid oxide fuel cell stacks are substantially gas heated, so the temperature of the gas entering the stack has a significant effect on the stack temperature.
Therefore, how to improve the consistency of the temperature and the gas distribution in the electric pile module, improve the performance of the electric pile module, reduce the welding quantity of the fuel manifold and the gas distribution plate, and reduce the risks of gas leakage and electric pile damage is a technical problem which needs to be solved at present.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a solid oxide fuel cell pile connecting device, which is characterized in that a positive pile and an inverted pile are designed, the positive pile and the inverted pile are connected through an air inlet plate and an air outlet plate to form a pile module, so that fuel gas is uniformly distributed to an upper pile and a lower pile, the consistency of the temperature of the gas entering the pile module is ensured, and meanwhile, the combined pile module reduces the welding quantity of an air inlet pipe and an air outlet plate, and reduces the risks of gas leakage and pile damage.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The device comprises two groups of electric stacks, an air inlet pipe, an air outlet pipe and an air inlet and outlet plate, wherein the two groups of electric stacks are connected through the air inlet and outlet plate, and the air inlet pipe and the air outlet pipe are respectively arranged at two ends of the air inlet and outlet plate; the air inlet and outlet plate comprises a base shell, two groups of air guide plates and a fixed plate, wherein a containing cavity is arranged in the base shell, an air inlet hole is formed in the base shell and communicated with the containing cavity, and the end face, connected with the base shell, of the electric pile covers the air inlet hole; the air guide plate is provided with a flow channel and an air outlet hole, the flow channel penetrates through the front side wall and the rear side wall of the air guide plate, one end of the flow channel corresponds to the air inlet pipe, the other end of the flow channel corresponds to the air outlet pipe, and the air outlet hole is communicated with the flow channel; the two groups of air guide plates are arranged in the accommodating cavity, and air outlet holes on the two groups of air guide plates are respectively directed to air inlet holes at the upper end and the lower end of the base shell; the fixing plate is provided with a through hole and a lock hole, the base shell is also provided with a screw hole, the fixing plate and the base shell can be connected in an abutting mode, the through hole corresponds to the runner, and the lock hole corresponds to the screw hole.
The solid oxide fuel cell pile connecting device adopts the structure, two groups of piles are respectively arranged under the upper negative electrode, the two groups of piles are connected through the air inlet and outlet plates, the air inlet pipe and the air outlet pipe are respectively connected to the two ends of the air inlet and outlet plates, the accommodating cavity arranged in the base shell of the air inlet and outlet plates is used for accommodating the two groups of air guide plates, the air guide plates penetrate through the flow channels on the front side wall and the rear side wall of the air guide plates to provide an air inlet channel for the air needing to be introduced, the air outlet holes on the air guide plates are used for shunting the air in the flow channels, the shunted air is introduced into the air inlet holes of the base shell, and the air can enter the pile along the air inlet holes because the end surfaces connected with the base shell are covered by the air inlet holes, the air outlets on the two groups of air guide plates are respectively pointed to the piles connected with the upper ends and the lower ends of the air inlet and outlet plates, and the fixed plates are arranged in the accommodating cavity, so that the air can firstly pass through the through holes on the air inlet pipe and the air inlet plates and then enter the accommodating cavity, the air in the air channels in the air inlet channels, the two groups of the air guide plates can flow into the air inlet channels and the air channels through the air inlet holes on the air inlet holes and the air inlet channels and the air outlet plates and the air channels respectively.
Further, heat preservation cotton is further arranged in the base shell, and the heat preservation cotton is arranged between the accommodating cavity and the outer side wall of the base shell.
Further, the flow channel is in an S-shaped bent structure in the air guide plate.
Further, the base shell is also provided with a containing groove, the containing groove is arranged on the end faces of the upper end and the lower end of the base shell, and the containing groove is matched with the galvanic pile.
Further, the air inlet holes are radially outwards arranged along the direction from the air inlet pipe to the air outlet pipe in the flow channel.
Compared with the prior art, the utility model has the advantages that: the gas that needs to get into the board of giving vent to anger through the intake pipe can be firstly through the through-hole on the fixed plate before entering into the holding intracavity, the gas that gets into can divide into two and get into respectively in the runner of two sets of air guide plates, the gas that circulates in the runner can get into respectively in the inlet port on the basal shell under the reposition of redundant personnel of venthole, the rethread inlet port enters into the electric pile of being connected with the board of giving vent to anger, fuel gas evenly distributes in two electric piles about, improve electric pile module internal temperature and gas distribution's uniformity, improve electric pile module performance, and reduce the welding quantity of fuel manifold and gas distribution board, reduce the risk of gas leakage and electric pile damage.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a perspective view of an inlet and outlet plate according to the present utility model;
Fig. 3 is a partial cross-sectional view of fig. 2 of the present utility model.
Wherein: 1. a galvanic pile; 2. an air inlet pipe; 3. an air outlet pipe; 4. an air inlet and outlet plate; 41. a base shell; 411. a receiving chamber; 412. an air inlet hole; 413. thermal insulation cotton; 414. a receiving groove; 42. an air guide plate; 421. a flow passage; 422. an air outlet hole; 43. a fixing plate; 431. a through hole; 432. a lock hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the utility model, are within the scope of the utility model.
Specific embodiments of the present utility model will be described below with reference to the accompanying drawings:
As shown in fig. 1-3, a solid oxide fuel cell stack connecting device comprises two groups of stacks 1, an air inlet pipe 2, an air outlet pipe 3 and an air inlet and outlet plate 4, wherein the two groups of stacks 1 are connected through the air inlet and outlet plate 4, and the air inlet pipe 2 and the air outlet pipe 3 are respectively arranged at two ends of the air inlet and outlet plate 4; the air inlet and outlet plate 4 comprises a base shell 41, two groups of air guide plates 42 and a fixed plate 43, a containing cavity 411 is arranged in the base shell 41, an air inlet hole 412 is formed in the base shell 41, the air inlet hole 412 is communicated with the containing cavity 411, and the end face, connected with the base shell 41, of the electric pile 1 covers the air inlet hole 412; the air guide plate 42 is provided with a flow channel 421 and an air outlet hole 422, the flow channel 421 penetrates through the front side wall and the rear side wall of the air guide plate 42, one end of the flow channel 421 corresponds to the air inlet pipe 2, the other end of the flow channel 421 corresponds to the air outlet pipe 3, and the air outlet hole 422 is communicated with the flow channel 421; the two groups of air guide plates 42 are arranged in the accommodating cavity 411, and air outlet holes 422 on the two groups of air guide plates 42 are respectively directed to air inlet holes 412 at the upper end and the lower end of the base shell 41; the fixing plate 43 is provided with a through hole 431 and a lock hole 432, the base shell 41 is further provided with a screw hole, the fixing plate 43 and the base shell 41 can be connected in an abutting mode, the through hole 431 corresponds to the runner 421, and the lock hole 432 corresponds to the screw hole.
In the above embodiment, the base shell 41 is further provided with insulation cotton 413, and the insulation cotton 413 is disposed between the accommodating cavity 411 and the outer side wall of the base shell 41; the flow channel 421 has an S-shaped curved structure in the air guide plate 42.
In the above embodiment, the base housing 41 is further provided with a receiving groove 414, the receiving groove 414 is disposed on the end surfaces of the upper and lower ends of the base housing 41, and the receiving groove 414 is matched with the electric pile 1; the air inlet holes 412 are radially outward along the direction from the air inlet pipe 2 to the air outlet pipe 3 in the flow channel 421.
Description of the working mode of the utility model:
According to the solid oxide fuel cell electric pile 1 connecting device adopting the structure, two groups of electric piles 1 are respectively arranged under the upper and lower poles, the two groups of electric piles 1 are connected through the air inlet and outlet plates 4, the accommodating groove 414 arranged on the base shell 41 of the air inlet and outlet plates 4 can be clamped more firmly in the process of matching the electric pile 1 with the accommodating groove 414, the air inlet pipe 2 and the air outlet pipe 3 are respectively connected to the two ends of the air inlet and outlet plates 4, the accommodating cavity 411 arranged in the base shell 41 of the air inlet and outlet plates 4 is used for accommodating the two groups of air guide plates 42, the heat insulation cotton 413 in the base shell 41 is used for insulating the air flowing in the air guide plates, the air guide plates 42 penetrate through the flow channels 421 of the S-shaped structure of the front and rear side walls to provide an air inlet channel for the air needing to be introduced, and the flow channels 421 can store more air in the S-shaped structure, in order to prevent bad use effect caused by lack of air in the operation process of the electric pile 1, the air outlet holes 422 on the air guide plate 42 divide the air in the flow channel 421 and guide the divided air into the air inlet holes 412 of the base shell 41, the air inlet holes 412 are radially outwards arranged along the direction of the air inlet pipe 2 to the air outlet pipe 3 in the flow channel 421, so that the air can smoothly flow when entering the air inlet holes 412, and the air can enter the electric pile 1 along the air inlet holes 412 because the end surfaces connected with the base shell 41 cover the air inlet holes 412, the air outlet holes 422 on the two groups of air guide plates 42 are respectively directed to the electric pile 1 connected with the upper end and the lower end of the air inlet plate 4, the fixing plates 43 are also arranged for fixing the air guide plate 42 in the accommodating cavity 411, therefore, after the air enters the air inlet plate 4 through the air inlet pipe 2, the air firstly enters the accommodating cavity 411 through the through holes 431 on the fixing plate 43, at this time, the two sets of air guide plates 42 have inlets of the two sets of flow channels 421, so that the entering air is divided into two flows into the flow channels 421 of the two sets of air guide plates 42, more air can be accumulated in the flow channels 421 with the S-shaped structure for use, the air flowing in the flow channels 421 can be respectively introduced into the air inlet holes 412 on the base shell 41 under the split flow of the air outlet holes 422, then enters the electric pile 1 connected with the air inlet and outlet plates 4 through the air inlet holes 412, and the rest of air continues to flow in the flow channels 421, and is led out from the air outlet pipe 3 at the tail end of the flow channels 421.
The utility model has the beneficial effects that: through the arrangement of the runner 421, the air outlet hole 422 and the air inlet hole 412, the air which needs to enter the air inlet and outlet plate 4 through the air inlet pipe 2 can firstly pass through the through hole 431 on the fixed plate 43 and then enter the accommodating cavity 411, the entering air can be divided into two paths to enter the runners 421 of the two groups of air guide plates 42 respectively, the runners 421 of the S-shaped structure can store more air for use, the air flowing in the runners 421 can enter the air inlet hole 412 on the base shell 41 respectively under the split flow of the air outlet hole 422, and then enter the electric pile 1 connected with the air inlet and outlet plate 4 through the air inlet hole 412, so that the fuel gas is uniformly distributed into the upper electric pile 1 and the lower electric pile 1, the consistency of the temperature and the air distribution in the electric pile 1 module is improved, the performance of the electric pile 1 is improved, the welding quantity of the fuel manifold and the air distribution plate is reduced, and the risks of gas leakage and electric pile 1 damage are reduced.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (7)
1. The utility model provides a solid oxide fuel cell pile connecting device, the device includes two sets of piles, intake pipe, outlet duct and business turn over gas board, two sets of the pile is connected through business turn over gas board, intake pipe and outlet duct divide to establish at the both ends of business turn over gas board, its characterized in that: the air inlet and outlet plate comprises a base shell and an air guide plate, a containing cavity is arranged in the base shell, an air inlet hole is formed in the base shell and communicated with the containing cavity, and the end face, connected with the base shell, of the electric pile covers the air inlet hole; the air guide plate is provided with a flow channel and an air outlet hole, the flow channel penetrates through the front side wall and the rear side wall of the air guide plate, one end of the flow channel corresponds to the air inlet pipe, the other end of the flow channel corresponds to the air outlet pipe, and the air outlet hole is communicated with the flow channel; the air guide plate is arranged in the accommodating cavity, and the air outlet holes correspond to the air inlet holes.
2. The solid oxide fuel cell stack connection device according to claim 1, characterized in that: the air inlet and outlet plate further comprises a fixing plate, a through hole and a lock hole are formed in the fixing plate, a screw hole is further formed in the base shell, the fixing plate and the base shell can be connected in an abutting mode, the through hole corresponds to the flow channel, and the lock hole corresponds to the screw hole.
3. The solid oxide fuel cell stack connection device according to claim 1 or 2, characterized in that: the air guide plate at least comprises two groups, and the air outlet holes on the two groups of air guide plates are respectively directed to the air inlet holes at the upper end and the lower end of the base shell.
4. The solid oxide fuel cell stack connection device according to claim 1, characterized in that: and heat preservation cotton is further arranged in the base shell and is arranged between the accommodating cavity and the outer side wall of the base shell.
5. The solid oxide fuel cell stack connection device according to claim 1, characterized in that: the flow channel is in an S-shaped bent structure in the air guide plate.
6. The solid oxide fuel cell stack connection device according to claim 1, characterized in that: the base shell is also provided with a containing groove, the containing groove is arranged on the end faces of the upper end and the lower end of the base shell, and the containing groove is matched with the galvanic pile.
7. The solid oxide fuel cell stack connection device according to claim 1, characterized in that: the air inlet holes are radially outwards arranged along the direction from the air inlet pipe to the air outlet pipe in the flow passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322610717.5U CN221041185U (en) | 2023-09-25 | 2023-09-25 | Solid oxide fuel cell pile connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322610717.5U CN221041185U (en) | 2023-09-25 | 2023-09-25 | Solid oxide fuel cell pile connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221041185U true CN221041185U (en) | 2024-05-28 |
Family
ID=91137838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322610717.5U Active CN221041185U (en) | 2023-09-25 | 2023-09-25 | Solid oxide fuel cell pile connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221041185U (en) |
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2023
- 2023-09-25 CN CN202322610717.5U patent/CN221041185U/en active Active
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