CN216928637U - Integrated heat exchanger for fuel cell - Google Patents
Integrated heat exchanger for fuel cell Download PDFInfo
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- CN216928637U CN216928637U CN202220148497.1U CN202220148497U CN216928637U CN 216928637 U CN216928637 U CN 216928637U CN 202220148497 U CN202220148497 U CN 202220148497U CN 216928637 U CN216928637 U CN 216928637U
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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 provides an integrated heat exchanger for a fuel cell, which comprises: the primary side of the first heat exchanger is arranged on the gas tail gas outlet pipe, and the secondary side of the first heat exchanger is arranged on the gas inlet pipe; the primary side of the second heat exchanger is arranged on the oxygen tail gas outlet pipe, and the secondary side of the second heat exchanger is arranged on the oxygen inlet pipe; wherein, the first heat exchanger is connected with the second heat exchanger and forms bearing surface and pressure surface with symmetrical position, the fuel cell is set on the bearing surface, the utility model has the advantages compared with the prior art that: the first heat exchanger forms overall structure after linking to each other with the second heat exchanger, has reduced the part setting on the fuel cell, has effectively improved fuel cell's dismouting efficiency, and provides the support for fuel cell after first heat exchanger links to each other with the second heat exchanger, has effectively reduced the holistic volume of fuel cell, and the fuel cell's of being convenient for transportation installation does benefit to fuel cell's multi-module and integrates the design.
Description
Technical Field
The utility model relates to the technical field of heat exchangers, in particular to an integrated heat exchanger for a fuel cell.
Background
In the operation process of the high-temperature fuel cell, gas entering the fuel cell needs to be preheated to raise the temperature to the operation temperature, so as to prevent the chilling fracture of the cell slice with the full ceramic structure after the super-cooled gas enters the fuel cell; meanwhile, the temperature of the gas discharged from the fuel cell is high, and the discharged gas needs to be cooled, so that subsequent gas-liquid separation and the like are facilitated.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the utility model aims to provide an integrated heat exchanger for a fuel cell.
In order to achieve the above object, the present invention provides an integrated heat exchanger for a fuel cell, the fuel cell including: gas intake pipe, gas tail gas outlet duct, oxygen intake pipe and oxygen tail gas outlet duct, integrated form heat exchanger includes: the primary side of the first heat exchanger is arranged on the gas tail gas outlet pipe, and the secondary side of the first heat exchanger is arranged on the gas inlet pipe; the primary side of the second heat exchanger is arranged on the oxygen tail gas outlet pipe, and the secondary side of the second heat exchanger is arranged on the oxygen inlet pipe; the first heat exchanger and the second heat exchanger are connected to form a bearing surface and a pressure surface which are symmetrical in position, and the fuel cell is arranged on the bearing surface.
The first heat exchanger and the second heat exchanger each include: the top surface is symmetrical to the bottom surface, the first side surface, the second side surface and the third side surface are respectively connected with the top surface and the bottom surface, and the first side surface, the second side surface and the third side surface are sequentially connected; the third side face of the first heat exchanger is connected with the third side face of the second heat exchanger, the top face of the first heat exchanger is connected with the top face of the second heat exchanger to form the bearing face, and the bottom face of the first heat exchanger is connected with the bottom face of the second heat exchanger to form the pressure face.
The first side surface is perpendicular to the second side surface, and the first side surface, the second side surface and the third side surface are perpendicular to the top surface and the bottom surface respectively.
The length of the first side face is equal to the length of the second side face.
And the third side surface of the first heat exchanger is welded with the third side surface of the second heat exchanger.
The first heat exchanger and the second heat exchanger each include: the air conditioner comprises a primary side air inlet pipe, a primary side air outlet pipe, a secondary side air inlet pipe and a secondary side air outlet pipe, wherein the primary side air inlet pipe is connected with the primary side air outlet pipe, and the secondary side air inlet pipe is connected with the secondary side air outlet pipe; the primary side air inlet pipe of the first heat exchanger is connected with the gas tail gas outlet pipe, the primary side air outlet pipe of the first heat exchanger is connected with the gas tail gas header pipe, the secondary side air inlet pipe of the first heat exchanger is connected with the gas header pipe, and the secondary side air outlet pipe of the first heat exchanger is connected with the gas inlet pipe; the primary side air inlet pipe of the second heat exchanger is connected with the oxygen tail gas outlet pipe, the primary side air outlet pipe of the second heat exchanger is connected with the oxygen tail gas main pipe, the secondary side air inlet pipe of the second heat exchanger is connected with the oxygen main pipe, and the secondary side air outlet pipe of the second heat exchanger is connected with the oxygen inlet pipe.
The primary side air inlet pipe is arranged on the top surface, the primary side air outlet pipe is arranged on the first side surface, the secondary side air inlet pipe is arranged on the second side surface, and the secondary side air outlet pipe is arranged on the top surface.
The first heat exchanger and the second heat exchanger all still include: a primary side valve disposed on the primary side outlet pipe; a secondary side valve disposed on the secondary side intake pipe.
After adopting the technical scheme, compared with the prior art, the utility model has the advantages that:
through the arrangement of the first heat exchanger and the second heat exchanger, heat exchange is carried out between the gas entering the fuel cell and the gas discharged from the fuel cell, so that the preheating of the gas entering the fuel cell and the cooling of the gas discharged from the fuel cell are realized, and additional heating parts and cooling parts are not required to be arranged, thereby effectively reducing the power generation cost of the fuel cell;
the first heat exchanger forms overall structure after linking to each other with the second heat exchanger, has reduced the part setting on the fuel cell, has effectively improved fuel cell's dismouting efficiency, and provides the support for fuel cell after first heat exchanger links to each other with the second heat exchanger, has effectively reduced the holistic volume of fuel cell, and the fuel cell's of being convenient for transportation installation does benefit to fuel cell's multi-module and integrates the design.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of an integrated heat exchanger for a fuel cell according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first heat exchanger in the integrated heat exchanger for a fuel cell according to an embodiment of the present invention;
fig. 3 is a plan view of an integrated heat exchanger for a fuel cell according to an embodiment of the present invention;
fig. 4 is a bottom view of an integrated heat exchanger for a fuel cell according to an embodiment of the present invention;
as shown in the figure: 1. the heat exchanger comprises a first heat exchanger, a second heat exchanger, a first side face, a second side face, a bottom face, a first side face, a second side face, a third side face, a fourth side face, a fifth side face, a sixth side face, a fourth side face, a sixth side face, a fourth side face, a sixth side face, a fourth, a sixth side face, a sixth side, a fourth, a sixth side face, a fourth, a sixth side face, a sixth side, a fourth, a sixth side, a fourth, a sixth, a fourth, a fourth, a sixth, a fourth.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. On the contrary, the embodiments of the utility model include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In a related embodiment, the fuel cell is provided with a first heat exchanger 1 and a second heat exchanger 2, a primary side of the first heat exchanger 1 is arranged on the gas exhaust outlet pipe, a secondary side of the first heat exchanger 1 is arranged on the gas inlet pipe, a primary side of the second heat exchanger 2 is arranged on the oxygen exhaust outlet pipe, a secondary side of the second heat exchanger 2 is arranged on the oxygen inlet pipe, and the first heat exchanger 1 and the second heat exchanger 2 are arranged independently of each other.
It can be understood that, through the arrangement of the first heat exchanger 1 and the second heat exchanger 2, heat exchange is carried out between the gas entering the fuel cell and the gas discharged from the fuel cell, so that the preheating of the gas entering the fuel cell and the cooling of the gas discharged from the fuel cell are realized, no extra heating component or cooling component is required to be arranged, and the power generation cost of the fuel cell is effectively reduced.
But because first heat exchanger 1 and second heat exchanger 2 independent setting each other, lead to the whole dismouting of being not convenient for of fuel cell, and first heat exchanger 1 and second heat exchanger 2 need occupy more installation space, lead to the holistic volume of fuel cell great, be not convenient for transport the installation, and be unfavorable for holistic multimode to integrate the design.
In order to solve the above technical problems, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, an embodiment of the present invention provides an integrated heat exchanger for a fuel cell, where the fuel cell includes a gas inlet pipe, a gas exhaust outlet pipe, an oxygen inlet pipe, and an oxygen exhaust outlet pipe, the integrated heat exchanger includes a first heat exchanger 1 and a second heat exchanger 2, a primary side of the first heat exchanger 1 is disposed on the gas exhaust outlet pipe, a secondary side of the first heat exchanger 1 is disposed on the gas inlet pipe, a primary side of the second heat exchanger 2 is disposed on the oxygen exhaust outlet pipe, and a secondary side of the second heat exchanger 2 is disposed on the oxygen inlet pipe;
the first heat exchanger 1 and the second heat exchanger 2 are connected to form a bearing surface and a pressure surface which are symmetrical in position, and the fuel cell is arranged on the bearing surface.
It can be understood that, form overall structure after first heat exchanger 1 makes up with second heat exchanger 2, reduced the part setting on the fuel cell, effectively improved fuel cell's dismouting efficiency, and provide the support for fuel cell after first heat exchanger 1 links to each other with second heat exchanger 2, effectively reduced the holistic volume of fuel cell, the transportation installation of the fuel cell of being convenient for does benefit to fuel cell's the multi-module design that integrates.
The fuel gas refers to combustible gas, such as hydrogen, methane, etc., and the oxygen refers to a simple substance formed by oxygen, which may also be air containing oxygen.
In some embodiments, the first and second heat exchangers 1, 2 may be plate heat exchangers.
As shown in fig. 1, 2, 3, 4, in some embodiments, the first heat exchanger 1 and the second heat exchanger 2 each include: the structure comprises a top surface 3, a bottom surface 4, a first side surface 5, a second side surface 6 and a third side surface 7, wherein the top surface 3 and the bottom surface 4 are symmetrical in position, the first side surface 5, the second side surface 6 and the third side surface 7 are respectively connected with the top surface 3 and the bottom surface 4, and the first side surface 5, the second side surface 6 and the third side surface 7 are sequentially connected;
the third side 7 of the first heat exchanger 1 is connected with the third side 7 of the second heat exchanger 2, the top surface 3 of the first heat exchanger 1 is connected with the top surface 3 of the second heat exchanger 2 to form a bearing surface, and the bottom surface 4 of the first heat exchanger 1 is connected with the bottom surface 4 of the second heat exchanger 2 to form a pressure surface.
It can be understood that, the arrangement of the structure realizes the combined structure of the first heat exchanger 1 and the second heat exchanger 2, and the stable support of the first heat exchanger 1 and the second heat exchanger 2 to the fuel cell is ensured while the heat exchange effect of the first heat exchanger 1 and the second heat exchanger 2 is realized.
As shown in fig. 1, 2, 3, 4, in some embodiments, a first side 5 of the first heat exchanger 1 is disposed opposite a first side 5 of the second heat exchanger 2, and a second side 6 of the first heat exchanger 1 is disposed opposite a second side 6 of the second heat exchanger 2.
As shown in fig. 1, 2, 3, and 4, in some embodiments, the first side surface 5 is perpendicular to the second side surface 6, and the first side surface 5, the second side surface 6, and the third side surface 7 are perpendicular to the top surface 3 and the bottom surface 4, respectively.
It can be understood that, due to the arrangement of the structure, the structural strength of the first heat exchanger 1 and the second heat exchanger 2 is higher, so that the support stability of the first heat exchanger 1 and the second heat exchanger 2 for the fuel cell is further improved.
As shown in fig. 1, 2, 3, 4, in some embodiments, the length of the first side 5 is equal to the length of the second side 6.
It can be understood that, by adopting the structure, the first heat exchanger 1 and the second heat exchanger 2 are combined to form a cube structure, so that the support stability of the first heat exchanger 1 and the second heat exchanger 2 for the fuel cell is further improved.
In some embodiments, the third side 7 of the first heat exchanger 1 is welded to the third side 7 of the second heat exchanger 2.
It can be understood that, by means of welding, not only is the connection stability of the first heat exchanger 1 and the second heat exchanger 2 improved, but also the gas insulation between the first heat exchanger 1 and the second heat exchanger 2 is ensured, and the mutual influence between the first heat exchanger 1 and the second heat exchanger 2 is reduced.
As shown in fig. 1, 2, 3, 4, in some embodiments, the first heat exchanger 1 and the second heat exchanger 2 each include: the air inlet pipe comprises a primary side air inlet pipe 8, a primary side air outlet pipe 9, a secondary side air inlet pipe 10 and a secondary side air outlet pipe 11, wherein the primary side air inlet pipe 8 is connected with the primary side air outlet pipe 9, and the secondary side air inlet pipe 10 is connected with the secondary side air outlet pipe 11; the primary side air inlet pipe 8 of the first heat exchanger 1 is connected with a gas tail gas outlet pipe, the primary side air outlet pipe 9 of the first heat exchanger 1 is connected with a gas tail gas header pipe, the secondary side air inlet pipe 10 of the first heat exchanger 1 is connected with a gas header pipe, and the secondary side air outlet pipe 11 of the first heat exchanger 1 is connected with a gas inlet pipe; a primary side air inlet pipe 8 of the second heat exchanger 2 is connected with an oxygen tail gas outlet pipe, a primary side air outlet pipe 9 of the second heat exchanger 2 is connected with an oxygen tail gas main pipe, a secondary side air inlet pipe 10 of the second heat exchanger 2 is connected with an oxygen main pipe, and a secondary side air outlet pipe 11 of the second heat exchanger 2 is connected with an oxygen inlet pipe.
It can be understood that the arrangement of this kind of structure realizes the setting of the first heat exchanger 1 primary side on gas tail gas outlet pipe, the setting of first heat exchanger 1 secondary side on gas inlet pipe, the setting of second heat exchanger 2 primary side on oxygen tail gas outlet pipe and the setting of second heat exchanger 2 secondary side on oxygen inlet pipe, guarantees the heat transfer between gas tail gas outlet pipe and the gas inlet pipe and between oxygen tail gas outlet pipe and the oxygen inlet pipe.
As shown in fig. 1, 2, 3, and 4, in some embodiments, the primary-side air inlet pipe 8 is disposed on the top surface 3, the primary-side air outlet pipe 9 is disposed on the first side surface 5, the secondary-side air inlet pipe 10 is disposed on the second side surface 6, and the secondary-side air outlet pipe 11 is disposed on the top surface 3.
It can be understood that, with the arrangement of the structure, when the fuel cell is arranged on the bearing surface, the fuel gas tail gas outlet pipe can be directly connected with the primary side gas inlet pipe 8 of the first heat exchanger 1, the fuel gas inlet pipe can be directly connected with the secondary side gas outlet pipe 11 of the first heat exchanger 1, the oxygen gas tail gas outlet pipe can be directly connected with the primary side gas inlet pipe 8 of the second heat exchanger 2, and the oxygen gas inlet pipe can be directly connected with the secondary side gas outlet pipe 11 of the second heat exchanger 2, so that the disassembly and assembly efficiency is higher;
and when the first heat exchanger 1 and the second heat exchanger 2 are not influenced to support the fuel cell, the primary side air outlet pipe 9 of the first heat exchanger 1 is connected with the gas tail gas main pipe, the secondary side air inlet pipe 10 of the first heat exchanger 1 is connected with the gas main pipe, the primary side air outlet pipe 9 of the second heat exchanger 2 is connected with the oxygen tail gas main pipe, and the secondary side air inlet pipe 10 of the second heat exchanger 2 is connected with the oxygen main pipe.
In some embodiments, each of the first heat exchanger 1 and the second heat exchanger 2 further includes a primary side valve and a secondary side valve, the primary side valve is disposed on the primary side air outlet pipe 9, and the secondary side valve is disposed on the secondary side air inlet pipe 10.
It can be understood that the arrangement of the structure not only realizes the opening and closing of the air inlet and the air outlet of the fuel cell, but also is easy to operate and is beneficial to the integral integrated design of the fuel cell.
In some embodiments, the primary side valve and the secondary side valve may both be solenoid on/off valves.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (8)
1. An integrated heat exchanger for a fuel cell, the fuel cell comprising: gas intake pipe, gas tail gas outlet duct, oxygen intake pipe and oxygen tail gas outlet duct, integrated form heat exchanger includes:
the primary side of the first heat exchanger is arranged on the gas tail gas outlet pipe, and the secondary side of the first heat exchanger is arranged on the gas inlet pipe;
the primary side of the second heat exchanger is arranged on the oxygen tail gas outlet pipe, and the secondary side of the second heat exchanger is arranged on the oxygen inlet pipe;
the first heat exchanger and the second heat exchanger are connected to form a bearing surface and a pressure surface which are symmetrical in position, and the fuel cell is arranged on the bearing surface.
2. The integrated heat exchanger for a fuel cell according to claim 1, wherein the first heat exchanger and the second heat exchanger each comprise: the top surface is symmetrical to the bottom surface, the first side surface, the second side surface and the third side surface are respectively connected with the top surface and the bottom surface, and the first side surface, the second side surface and the third side surface are sequentially connected;
the third side face of the first heat exchanger is connected with the third side face of the second heat exchanger, the top face of the first heat exchanger is connected with the top face of the second heat exchanger to form the bearing face, and the bottom face of the first heat exchanger is connected with the bottom face of the second heat exchanger to form the pressure face.
3. The integrated heat exchanger for a fuel cell according to claim 2, wherein the first side surface is perpendicular to the second side surface, and the first side surface, the second side surface, and the third side surface are perpendicular to the top surface and the bottom surface, respectively.
4. The integrated heat exchanger for a fuel cell according to claim 2, wherein the length of the first side is equal to the length of the second side.
5. The integrated heat exchanger for a fuel cell according to claim 2, wherein a third side of the first heat exchanger is welded to a third side of the second heat exchanger.
6. The integrated heat exchanger for a fuel cell according to claim 2, wherein the first heat exchanger and the second heat exchanger each comprise: the air conditioner comprises a primary side air inlet pipe, a primary side air outlet pipe, a secondary side air inlet pipe and a secondary side air outlet pipe, wherein the primary side air inlet pipe is connected with the primary side air outlet pipe, and the secondary side air inlet pipe is connected with the secondary side air outlet pipe;
the primary side air inlet pipe of the first heat exchanger is connected with the gas tail gas outlet pipe, the primary side air outlet pipe of the first heat exchanger is connected with the gas tail gas header pipe, the secondary side air inlet pipe of the first heat exchanger is connected with the gas header pipe, and the secondary side air outlet pipe of the first heat exchanger is connected with the gas inlet pipe;
the primary side air inlet pipe of the second heat exchanger is connected with the oxygen tail gas outlet pipe, the primary side air outlet pipe of the second heat exchanger is connected with the oxygen tail gas header pipe, the secondary side air inlet pipe of the second heat exchanger is connected with the oxygen header pipe, and the secondary side air outlet pipe of the second heat exchanger is connected with the oxygen inlet pipe.
7. The integrated heat exchanger for a fuel cell according to claim 6, wherein the primary-side air inlet pipe is provided on the top surface, the primary-side air outlet pipe is provided on the first side surface, the secondary-side air inlet pipe is provided on the second side surface, and the secondary-side air outlet pipe is provided on the top surface.
8. The integrated heat exchanger for a fuel cell as recited in claim 7, wherein each of the first heat exchanger and the second heat exchanger further comprises:
a primary side valve disposed on the primary side outlet pipe;
a secondary side valve disposed on the secondary side intake pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220148497.1U CN216928637U (en) | 2022-01-19 | 2022-01-19 | Integrated heat exchanger for fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220148497.1U CN216928637U (en) | 2022-01-19 | 2022-01-19 | Integrated heat exchanger for fuel cell |
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| Publication Number | Publication Date |
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| CN216928637U true CN216928637U (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220148497.1U Active CN216928637U (en) | 2022-01-19 | 2022-01-19 | Integrated heat exchanger for fuel cell |
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| CN (1) | CN216928637U (en) |
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- 2022-01-19 CN CN202220148497.1U patent/CN216928637U/en active Active
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