CN114614041B - High-temperature fuel cell built-in high-efficiency heat exchange device - Google Patents
High-temperature fuel cell built-in high-efficiency heat exchange device Download PDFInfo
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- CN114614041B CN114614041B CN202011452146.1A CN202011452146A CN114614041B CN 114614041 B CN114614041 B CN 114614041B CN 202011452146 A CN202011452146 A CN 202011452146A CN 114614041 B CN114614041 B CN 114614041B
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- 239000000446 fuel Substances 0.000 title claims abstract description 23
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 150
- 230000017525 heat dissipation Effects 0.000 claims abstract description 56
- 230000008016 vaporization Effects 0.000 claims abstract description 33
- 238000001816 cooling Methods 0.000 claims abstract description 31
- 238000009834 vaporization Methods 0.000 claims abstract description 31
- 239000000243 solution Substances 0.000 claims abstract description 28
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 26
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000001257 hydrogen Substances 0.000 claims abstract description 26
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 26
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000007864 aqueous solution Substances 0.000 claims abstract description 13
- 238000000926 separation method Methods 0.000 claims abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 238000003754 machining Methods 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 10
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000010963 304 stainless steel Substances 0.000 claims description 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 2
- 238000005187 foaming Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000007664 blowing Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04029—Heat exchange using liquids
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel Cell (AREA)
Abstract
The invention provides a built-in high-efficiency heat exchange device of a high-temperature fuel cell, which comprises a heat conduction oil heat dissipation chamber consisting of a built-in tube-fin heat exchanger and a heat dissipation device; the heat exchange chamber is formed by heat conduction oil and methanol water solution, wherein the heat conduction oil consists of a galvanic pile and fins; the methanol vaporization chamber and the hydrogen cooling chamber are connected in series through threads in sequence; the hydrogen cooling chamber is arranged on the back of the methanol vaporizing chamber, and is an integral workpiece with the hydrogen cooling chamber, and the heat conduction oil heat dissipation chamber, the heat conduction oil and the methanol aqueous solution heat exchange chamber are an integral aluminum alloy machined part; the heat conduction oil heat dissipation chamber and the heat conduction oil and methanol water solution heat exchange chamber are respectively arranged on two sides of the whole aluminum alloy machined part; and the heat-conducting oil and methanol water solution heat exchange chamber is contacted with the methanol vaporization chamber and is separated by a separation plate. The technical scheme of the invention improves the heat exchange efficiency of the heat exchanger.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to a built-in high-efficiency heat exchange device of a high-temperature fuel cell.
Background
The existing radiator belongs to a machining mode, a heat conduction oil cavity and a heat dissipation air cavity are integrally machined, fins with the depth of 5mm are arranged in the heat conduction oil cavity, fins with the depth of 40mm are arranged in the heat dissipation air cavity corresponding to the back surface, and machining is needed, so that machining cost is high and machining difficulty is high; meanwhile, the fins of the existing radiator are machined aluminum alloy fins, the heat exchanger belongs to a plate-fin heat exchanger, the heat exchange area of the heat exchanger is small due to the limitation of machining conditions, the heat exchange efficiency is low, and moreover, a heat exchange fan of the existing heat exchanger adopts a 40-double-shaft reversing fan, so that the power of the 40-double-shaft reversing fan is relatively high in order to achieve the air quantity and the air pressure required by design, and the internal consumption of a system can be increased.
The prior cooling fan air duct mode is as follows: the cooling fan can only be arranged on one side of the short side of the side face of the whole evaporator due to space limitation, so that wind resistance is large due to long wind channel travel, an air outlet of an existing design wind channel is arranged right below a cooling air cavity of the evaporator, therefore, the flowing direction of cooling air in the cooling air cavity needs to be baffled by 90 degrees, wind resistance can be greatly increased, heat exchange efficiency is seriously affected, 2 40 double-shaft reversing fans exchange heat for a heat exchanger in a blowing mode, the fans are required to be clung to the wall of the side face of the evaporator due to space limitation, and the blowing mode easily causes a turbulent flow phenomenon of fluid in the wind channel, so that heat exchange efficiency is reduced.
Disclosure of Invention
According to the technical problem, a high-efficiency heat exchange device arranged in a high-temperature fuel cell is provided. The invention comprises a methanol vaporization chamber, a hydrogen cooling chamber, a conduction oil heat dissipation chamber and a heat dissipation device, wherein the hydrogen cooling chamber is arranged on the back surface of the methanol vaporization chamber and is an integral workpiece with the hydrogen cooling chamber; the heat exchange chamber is formed by heat conduction oil and methanol water solution, wherein the heat conduction oil consists of a galvanic pile and fins; the heat conduction oil heat dissipation chamber, the heat conduction oil and methanol aqueous solution heat exchange chamber, the methanol vaporization chamber and the hydrogen cooling chamber are sequentially connected in series through threads; the heat conduction oil heat dissipation chamber and the heat conduction oil and methanol water solution heat exchange chamber are an integral aluminum alloy machining part; the heat conduction oil heat dissipation chamber and the heat conduction oil and methanol water solution heat exchange chamber are respectively arranged on two sides of the integral aluminum alloy machining part; and the heat conduction oil and the methanol aqueous solution heat exchange chamber are in contact with the methanol vaporization chamber and are separated by the separation plate, so that the heat exchange efficiency of the heat exchanger is improved.
The invention adopts the following technical means:
The utility model provides a built-in high efficiency heat transfer device of high temperature fuel cell, includes methyl alcohol vaporization room and hydrogen cooling room, the hydrogen cooling room sets up the back of methyl alcohol vaporization room, and with the hydrogen cooling room is an integral work piece, still includes:
The heat conduction oil heat dissipation chamber consists of a built-in tube-fin heat exchanger and a heat dissipation device;
the heat exchange chamber is formed by heat conduction oil and methanol water solution, wherein the heat conduction oil consists of a galvanic pile and fins;
The heat conduction oil heat dissipation chamber, the heat conduction oil and methanol aqueous solution heat exchange chamber, the methanol vaporization chamber and the hydrogen cooling chamber are sequentially connected in series through threads; wherein,
The heat conduction oil heat dissipation chamber and the heat conduction oil and methanol water solution heat exchange chamber are an integral aluminum alloy machining part;
The heat conduction oil heat dissipation chamber and the heat conduction oil and methanol water solution heat exchange chamber are respectively arranged on two sides of the integral aluminum alloy machining part; and the heat conduction oil and the methanol aqueous solution heat exchange chamber are in contact with the methanol vaporization chamber and are separated by a separation plate.
Further, the heat conduction oil heat dissipation chamber is provided with a first pipeline and a second pipeline; one end of the first pipeline is fixedly connected with one end of the tube-fin heat exchanger, and the other end of the first pipeline is a heat conduction oil inlet; one end of the second pipeline is fixedly connected with the other end of the tube-fin heat exchanger, and the other end of the second pipeline is a heat conduction oil outlet.
Further, an air inlet through hole is formed in the side wall of the upper surface of the heat conducting oil heat dissipation chamber.
Further, the heat dissipation device is a heat dissipation fan, and is fixedly arranged on one side close to the tube-fin heat exchanger and clung to the fins of the tube-fin heat exchanger, and gaps are filled with foaming silica gel and sealed.
Further, the inner diameters of the first pipeline and the second pipeline are matched with the structural sizes of the first pipeline and the second pipeline on the tube-fin heat exchanger main body, the length of the heat conduction oil inlet is 20-50 mm, and the length of the heat conduction oil outlet is 20-50 mm.
Further, the fin thickness of the tube-fin heat exchanger is 0.5-1.2 mm, and the material is one of brass, red copper, 6-series aluminum alloy, 7-series aluminum alloy and 304 stainless steel.
Further, a runner formed by fins integrally machined with the integral aluminum alloy machined part is arranged in the heat exchange chamber of the heat conduction oil and the methanol aqueous solution, the height of each fin is 5-10 mm, the width of each fin is 0.5-1.2 mm, and the distance is 1-2 mm.
Further, the thickness of the separation plate between the heat conduction oil heat dissipation chamber and the heat conduction oil and methanol water solution heat exchange chamber is 0.5-3 mm.
Compared with the prior art, the invention has the following advantages:
1. according to the high-temperature fuel cell built-in high-efficiency heat exchange device, the built-in tube fin type heat exchanger of the heat conduction oil heat dissipation chamber is used, so that the processing difficulty of an aluminum alloy machined part is greatly reduced, and the processing cost is further reduced.
2. According to the built-in high-efficiency heat exchange device of the high-temperature fuel cell, the built-in tube-fin type heat exchanger of the heat conducting oil heat dissipation chamber is made of copper with higher heat conductivity, and the fins are thin and large in heat exchange area.
3. According to the high-temperature fuel cell built-in high-efficiency heat exchange device, the heat exchange efficiency is high, the wind resistance is small, and therefore the requirement on the heat dissipation fan can be reduced, the power consumption is reduced, and the heat exchange efficiency is improved.
4. The high-temperature fuel cell built-in high-efficiency heat exchange device adopts an air suction mode that the heat dissipation fan is opposite to the built-in tube fin type heat exchanger of the heat conduction oil heat dissipation chamber, saves space, reduces volume, and can enable air to stably flow in the flow channel so as to improve the performance of the heat exchanger.
For the above reasons, the invention can be widely popularized in the fields of fuel cells and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.
Fig. 1 is an overall view of a high-efficiency heat exchange device built in a high-temperature fuel cell according to the present invention.
FIG. 2 is a diagram of a heat transfer oil heat dissipation chamber.
Fig. 3 is a diagram showing a heat transfer oil heat dissipation chamber of the built-in tube-fin heat exchanger.
FIG. 4 is a schematic diagram of a heat exchange chamber for a heat transfer oil and aqueous methanol solution according to the present invention.
Fig. 5 is a structural diagram of an aluminum alloy sheet as a partition plate according to an embodiment of the present invention.
Fig. 6 is a diagram showing the structure of the methanol vaporization chamber.
Fig. 7 is a structural diagram of the hydrogen cooling chamber.
Fig. 8 is an exploded view of the high-efficiency heat exchange device built in the high-temperature fuel cell of the present invention.
In the figure: 1. a tube-fin heat exchanger; 2. a heat sink; 3. a conduction oil heat dissipation chamber; 4. a heat exchange chamber for heat conducting oil and methanol water solution; 5. a methanol vaporization chamber; 6. a hydrogen cooling chamber; 7. an aluminum alloy sheet; 8. a first copper tube; 9. a second copper tube; 10. a conduction oil inlet; 11. a heat transfer oil outlet; 12. a rectangular air inlet hole; 13. and (3) a fin.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be clear that the dimensions of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention: the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
The invention comprises four chambers, namely a heat conduction oil heat dissipation chamber 3, a heat conduction oil and methanol aqueous solution heat exchange chamber 4, a methanol vaporization chamber 5 and a hydrogen cooling chamber 6, which are respectively composed of an internal tube fin type heat exchanger 1 and an external heat dissipation device 2. The hydrogen cooling chamber 6 is arranged on the back of the methanol vaporizing chamber 5, and is an integral workpiece with the hydrogen cooling chamber 6, and the heat conduction oil heat dissipation chamber 3, the heat conduction oil and methanol aqueous solution heat exchange chamber 4 are an integral aluminum alloy machined part; the heat conduction oil heat dissipation chamber 3 and the heat conduction oil and methanol water solution heat exchange chamber 4 are respectively arranged on two sides of the whole aluminum alloy machined part; in this embodiment, an aluminum alloy sheet 7 with a thickness of 2mm as shown in fig. 5 is selected to separate the heat transfer oil and methanol aqueous solution heat exchange chamber 4 from the methanol vaporization chamber 5, so as to prevent media in the two chambers from mutually crossing each other.
The high-temperature fuel cell built-in high-efficiency heat exchange device of the invention is further described in detail below with reference to the accompanying drawings:
As shown in fig. 1 and 8, the invention provides a high-temperature fuel cell built-in high-efficiency heat exchange device, which comprises a methanol vaporization chamber 5 and a hydrogen cooling chamber 6, wherein the hydrogen cooling chamber 6 is arranged on the back surface of the methanol vaporization chamber 5 and is an integral workpiece with the hydrogen cooling chamber 6, and the high-temperature fuel cell built-in high-efficiency heat exchange device also comprises a heat conduction oil heat dissipation chamber 3 consisting of a built-in tube fin heat exchanger 1 and an external heat dissipation device 2, and the depth of the chamber is 40mm; a heat exchange chamber 4 for heat transfer oil and methanol water solution, which consists of a galvanic pile and fins 13; the heat conduction oil heat dissipation chamber 3 and the heat conduction oil and methanol water solution heat exchange chamber 4 are an integral aluminum alloy machined part; the heat conduction oil heat dissipation chamber 3 and the heat conduction oil and methanol water solution heat exchange chamber 4 are respectively arranged on two sides of the whole aluminum alloy machined part; the heat conduction oil heat dissipation chamber 3, the heat conduction oil and methanol water solution heat exchange chamber 4, the methanol vaporization chamber 5 and the hydrogen cooling chamber 6 are sequentially connected in series through threads; and the heat-conducting oil and methanol water solution heat exchange chamber 4 is contacted with the methanol vaporization chamber 5 and is separated by the aluminum alloy sheet 7. In particular, as a preferred embodiment of the present invention, the heat dissipating device 2 is two heat dissipating fans, which are respectively fixedly provided on one side close to the tube-fin heat exchanger 1 and closely attached to the fins of the tube-fin heat exchanger 1, and the gaps are filled with foamed silica gel and sealed.
As shown in fig. 2 and 3, the conduction oil heat dissipation chamber 3 is provided with a first copper pipe 8 and a second copper pipe 9; one end of the first copper pipe 8 is fixedly connected with one end of the tube-fin heat exchanger 1, and the other end of the first copper pipe 8 is provided with a heat conducting oil inlet 10; one end of the second copper pipe 9 is fixedly connected with the other end of the tube-fin heat exchanger 1, and the other end of the second copper pipe 9 is a heat conducting oil outlet 11. In specific implementation, the first copper pipe 8 and the second copper pipe 9 are respectively welded with the fins of the tube-fin heat exchanger 1, so that the heat transfer efficiency is improved, the thickness of the fins of the tube-fin heat exchanger 1 is preferably 0.5mm, the materials are brass, and the heat exchange area can be increased in a limited space by adopting a thin fin with the thickness of 0.5mm, so that the higher heat exchange efficiency can be achieved. The inner diameters of the first copper pipe 8 and the second copper pipe 9 are 15mm, the length of the heat conduction oil inlet 10 is 20mm, and the length of the heat conduction oil outlet 11 is 50mm. The side wall of the upper surface of the heat conduction oil heat dissipation chamber 3 is provided with a rectangular air inlet hole 12 with the size of 240 mm, two heat dissipation fans adopt an air suction and heat dissipation mode, heat dissipation air enters the heat conduction oil heat dissipation chamber 3 formed by the built-in tube-fin heat exchanger 1 through the rectangular air inlet hole 12, and is blown out by the fans after passing through the heat dissipation fins, so that the purpose of dissipating heat of high-temperature heat conduction oil in a copper tube of the tube-fin heat exchanger is achieved, and meanwhile, the air subjected to heat exchange is discharged through the two heat dissipation fans as high-temperature tail gas.
As shown in fig. 4, the heat transfer oil and methanol aqueous solution heat exchange chamber 4 is provided with a runner composed of a galvanic pile and fins 13 integrally processed with an integral aluminum alloy machining part, wherein the height of the fins 13 is 5mm, the width is 1mm, and the interval is 2mm. The heat exchange efficiency can be increased, and a better heat exchange effect is achieved.
As shown in fig. 6, the methanol vaporization chamber 5 is composed of a serpentine flow channel, the side wall of the vaporization chamber is provided with an inlet channel of the methanol vaporization chamber, the flow channel at the inlet is deeper and provided with a turbulent flow column, so that the liquid methanol can be quickly vaporized, and the gaseous methanol is extremely expanded along with the increase of the vaporization degree, so that the sectional area of the flow channel is gradually increased to prevent the pressure in the chamber from being too large, and the methanol vaporization chamber 5 is internally provided with the turbulent flow column for enhancing the vaporization effect of the liquid methanol solution. The methanol vaporization chamber 5 is internally provided with a serpentine flow passage which is gradually widened to match with methanol steam with gradually enlarged volume. The methanol solution inlet is arranged on the outer wall of the methanol vaporization chamber 5 on the side with the turbulent flow column. This inlet is the only inlet for ambient fuel into the evaporator.
As shown in fig. 7, two channels are respectively formed in the hydrogen cooling chamber 6, namely a channel in which the methanol vapor coming out of the methanol vaporization chamber 5 enters the reformer and a hydrogen cooling channel in which the reformer catalyzes the reaction and then enters the electric pile.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention 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 invention.
Claims (5)
1. The utility model provides a built-in high efficiency heat transfer device of high temperature fuel cell, includes methyl alcohol vaporization room and hydrogen cooling room, the hydrogen cooling room sets up the back of methyl alcohol vaporization room, and with the hydrogen cooling room is an integral work piece, its characterized in that still includes:
the heat conduction oil heat dissipation chamber consists of an internal tube fin heat exchanger and an external heat dissipation device;
The heat dissipation device is a heat dissipation fan and is fixedly arranged on one side close to the tube-fin heat exchanger and clings to fins of the tube-fin heat exchanger, and gaps are filled with foaming silica gel for sealing;
The fin thickness of the tube-fin heat exchanger is 0.5-1.2 mm, and the tube-fin heat exchanger is made of one of brass, red copper, 6-series aluminum alloy, 7-series aluminum alloy and 304 stainless steel;
the heat conduction oil heat dissipation chamber is provided with a first pipeline and a second pipeline; one end of the first pipeline is fixedly connected with one end of the tube-fin heat exchanger, and the other end of the first pipeline is a heat conduction oil inlet; one end of the second pipeline is fixedly connected with the other end of the tube-fin heat exchanger, and the other end of the second pipeline is a heat conduction oil outlet;
The heat-conducting oil and methanol water solution heat exchange chamber is provided with a runner formed by fins integrally processed with the integral aluminum alloy machined part;
The heat conduction oil heat dissipation chamber, the heat conduction oil and methanol aqueous solution heat exchange chamber, the methanol vaporization chamber and the hydrogen cooling chamber are sequentially connected in series through threads; wherein,
The heat conduction oil heat dissipation chamber and the heat conduction oil and methanol water solution heat exchange chamber are an integral aluminum alloy machining part;
The heat conduction oil heat dissipation chamber and the heat conduction oil and methanol water solution heat exchange chamber are respectively arranged on two sides of the integral aluminum alloy machining part; and the heat conduction oil and the methanol aqueous solution heat exchange chamber are in contact with the methanol vaporization chamber and are separated by a separation plate.
2. The high-efficiency heat exchange device with built-in high-temperature fuel cell according to claim 1, wherein the side wall of the upper surface of the heat conducting oil heat dissipation chamber is provided with an air inlet through hole.
3. The high-temperature fuel cell built-in high-efficiency heat exchange device according to claim 1, wherein the inner diameters of the first pipeline and the second pipeline are matched with the interfaces of the first pipeline and the second pipeline of the tube-fin heat exchanger.
4. The high-temperature fuel cell built-in high-efficiency heat exchange device according to claim 1, wherein a runner formed by fins integrally machined with the whole aluminum alloy machined part is arranged in the heat exchange chamber of the heat conducting oil and the methanol aqueous solution, the height of each fin is 5-10 mm, the width of each fin is 0.5-1.2 mm, and the distance is 1-2 mm.
5. The high-temperature fuel cell built-in high-efficiency heat exchange device according to claim 1, wherein the thickness of a separation plate between the heat conduction oil heat dissipation chamber and the heat conduction oil and methanol water solution heat exchange chamber is 0.5-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011452146.1A CN114614041B (en) | 2020-12-09 | 2020-12-09 | High-temperature fuel cell built-in high-efficiency heat exchange device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011452146.1A CN114614041B (en) | 2020-12-09 | 2020-12-09 | High-temperature fuel cell built-in high-efficiency heat exchange device |
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| CN114614041A CN114614041A (en) | 2022-06-10 |
| CN114614041B true CN114614041B (en) | 2024-05-14 |
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| KR20120009801A (en) * | 2010-07-21 | 2012-02-02 | 주식회사 프로파워 | Fuel cell system and heat exchanger of the same |
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| CN105826637A (en) * | 2016-03-11 | 2016-08-03 | 常州博能新能源有限公司 | Heat exchanger of fuel cell stack for hydrogen production by reforming |
| CN111326765A (en) * | 2018-12-15 | 2020-06-23 | 中国科学院大连化学物理研究所 | High-temperature alcohol fuel cell evaporation heat dissipation device |
| CN111864230A (en) * | 2020-07-02 | 2020-10-30 | 摩氢科技有限公司 | Heat exchange system of methanol reforming fuel cell and methanol reforming fuel cell system |
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| CN114614041A (en) | 2022-06-10 |
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