CN108731508A - Capillary heat exchange of heat pipe - Google Patents
Capillary heat exchange of heat pipe Download PDFInfo
- Publication number
- CN108731508A CN108731508A CN201710251720.9A CN201710251720A CN108731508A CN 108731508 A CN108731508 A CN 108731508A CN 201710251720 A CN201710251720 A CN 201710251720A CN 108731508 A CN108731508 A CN 108731508A
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- China
- Prior art keywords
- capillary
- heat exchange
- supporting block
- heat
- side plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
- F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention provides a kind of capillary heats exchange of heat pipe.The capillary heat exchange of heat pipe includes multiple rows of capillary (1) and the header (2) positioned at capillary (1) both ends, often row's capillary (1) includes spaced multiple capillaries (1), it is supported and is fixed by supporting block (3) between each row's capillary (1), supporting block (3) extends along the arragement direction of every row's capillary (1), and the both ends of supporting block (3) are fixed by the side plate (4) being arranged on header (2).Capillary heat exchange of heat pipe according to the present invention, can solve the excessive caused heat exchanger heat exchange efficiency of heat exchange tube diameter in the prior art reduces, the relatively low problem of refrigerant utilization rate.
Description
Technical field
The present invention relates to technical field of heat exchangers, more particularly to a kind of capillary heat exchange of heat pipe.
Background technology
Traditional pipe type heat exchanger includes heat exchanger tube and fin, and the header positioned at heat exchanger tube both ends, and more are changed
Heat pipe is arranged in parallel, and the both ends of each heat exchanger tube are connected on the header at both ends, and heat exchanger tube is threaded through on fin, and
By fin increasing heat radiation area, the heat exchange efficiency of pipe type heat exchanger is improved.But the heat exchange tube diameter of pipe type heat exchanger
It is larger, it is not only of high cost, and also occupancy volume is big, and the refrigerant in the middle part of the heat exchanger tube of pipe type heat exchanger is apart from heat exchanger tube
Edge Distance farther out, be unable to fully exchange heat, therefore the heat exchange efficiency of pipe type heat exchanger can be influenced.If by heat exchanger tube
Diameter reduce, when being installed due to heat exchanger tube and fin, need to carry out poling and tube expansion operation, caliber is too small, is easy to make
It is deformed at heat exchanger tube, the installation for being unable to complete successfully heat exchanger tube and fin coordinates, therefore the caliber of heat exchanger tube can only be maintained at one
A larger caliber, this results in not solving the problems, such as that existing pipe type heat exchanger heat exchange efficiency is relatively low, reduces refrigerant
Utilization rate.
Invention content
The object of the present invention is to provide a kind of capillary heats exchange of heat pipe, and to solve, heat exchange tube diameter is excessive in the prior art causes
Heat exchanger heat exchange efficiency reduce, the relatively low problem of refrigerant utilization rate.
In order to solve the above technical problems, as one aspect of the present invention, a kind of capillary heat exchange of heat pipe is provided, including more
Capillary and the header positioned at capillary both ends are arranged, it includes spaced multiple capillaries often to arrange capillary, respectively arranges capillary
It is supported and is fixed by supporting block between pipe, supporting block extends along the arragement direction of often row's capillary, and the both ends of supporting block are by setting
The side plate set on header is fixed.
The capillary heat exchange of heat pipe of the present invention, side plate and header are fixed together, and form braced frame, and supporting block fixation is set
It sets on side plate, is supported by side plate, capillary is placed in supporting block, is supported by supporting block, due to support
Block is supported by side plate completely, therefore the problems such as capable of avoiding bending capillary, and will not be supported to capillary formation pressure
Block is mainly used for playing a supporting role to capillary herein, therefore can not have to the cooling effect for considering supporting block, is not necessarily to capillary
It is fitted close between pipe and supporting block, can ensure the molding effect of capillary, since the caliber of capillary is smaller, hair can be made
Refrigerant in tubule can carry out coming into full contact with heat exchange with outside air, can improve heat exchanger refrigerant utilization ratio and
Heat transfer effect, there is no need to which fin is arranged, avoids hair since the heat exchange property of heat exchanger is increased dramatically by capillary
Tubule can not be worn the problem of fin, and without carrying out tube expansion operation, heat exchanger tube production cost is reduced.Due to using supporting block
The mode of fixed capillary is isolated, intercapillary pipe will not form water bridge, be conducive to condensate water discharging, simultaneously away from uniform
Each region windage is uniform, can improve heat transfer effect, using side plate fixed support block, can not only reach sealing effect, but also can
Play the role of fixed support block.Using the cross-exchange pipe perpendicular to capillary, not only increase heat exchange area, but also can play solid
Surely capillary is supported, capillary flexural deformation is avoided, keeps capillary tube spacing uneven, it is too fast to be easy to cause frosting velocity, makes product
Performance degradation, while heat exchanger tube can play a role in the drainage.
Description of the drawings
Fig. 1 diagrammatically illustrates the dimensional structure diagram of the capillary heat exchange of heat pipe of first embodiment of the invention；
Fig. 2 diagrammatically illustrates the front view structure signal of the supporting block of the capillary heat exchange of heat pipe of first embodiment of the invention
Figure；
Fig. 3 diagrammatically illustrates the plan structure signal of the supporting block of the capillary heat exchange of heat pipe of first embodiment of the invention
Figure；
Fig. 4 diagrammatically illustrates the dimensional structure diagram of the capillary heat exchange of heat pipe of second embodiment of the invention；
The stereochemical structure that Fig. 5 diagrammatically illustrates the U heat exchange of the capillary heat exchange of heat pipe of second embodiment of the invention is shown
It is intended to；
Fig. 6 diagrammatically illustrates the dimensional structure diagram of the capillary heat exchange of heat pipe of third embodiment of the invention；
Fig. 7 diagrammatically illustrates the inside dimensional structure diagram of the capillary heat exchange of heat pipe of third embodiment of the invention；
Fig. 8 diagrammatically illustrates the supporting rack of the capillary heat exchange of heat pipe of third embodiment of the invention and standing for semi-circular tube cooperation
Body structural schematic diagram；
Fig. 9 diagrammatically illustrates the structural schematic diagram of the supporting rack of the capillary heat exchange of heat pipe of third embodiment of the invention；
Figure 10 diagrammatically illustrates the dimensional structure diagram of the capillary heat exchange of heat pipe of fourth embodiment of the invention；
Figure 11 diagrammatically illustrates the structural schematic diagram of the side plate of the capillary heat exchange of heat pipe of fourth embodiment of the invention；
Figure 12 diagrammatically illustrates the dimensional structure diagram of the capillary heat exchange of heat pipe of fifth embodiment of the invention；
Figure 13 diagrammatically illustrates the structural schematic diagram of the side plate of the capillary heat exchange of heat pipe of fifth embodiment of the invention；
Figure 14 diagrammatically illustrates the dimensional structure diagram of the capillary heat exchange of heat pipe of sixth embodiment of the invention；
Figure 15 diagrammatically illustrates the stereochemical structure signal of the U-shaped card block of the capillary heat exchange of heat pipe of sixth embodiment of the invention
Figure.
Reference numeral in figure：1, capillary；2, header；3, supporting block；4, side plate；5, semicircle support slot；6, it radiates
Hole；7, wedge-shaped inserted block；8, U heat exchange；9, semi-circular groove；10, semi-circular tube；11, circular groove；12, round heat exchange straight tube；13, U-shaped
Slot；14, U-shaped card block；15, lightening hole；16, supporting rack.
Specific implementation mode
The embodiment of the present invention is described in detail below, but what the present invention can be defined by the claims and cover
Multitude of different ways is implemented.
It please refers to Fig.1 to shown in Fig. 3, first embodiment according to the present invention, capillary heat exchange of heat pipe includes multiple rows of capillary 1
With the header 2 positioned at 1 both ends of capillary, it includes spaced multiple capillaries 1 often to arrange capillary 1, it is each arrange capillary 1 it
Between by supporting block 3 support fix, supporting block 3 along every row's capillary 1 arragement direction extend, the both ends of supporting block 3 are by setting
The side plate 4 set on header 2 is fixed.
Preferably, the top and bottom of supporting block 3 be provided with the matched semicircle support slot 5 of capillary 1, it is adjacent
The semicircle support slot 5 of two pieces of supporting blocks 3 is correspondingly arranged and forms circular locating slot.3 He of supporting block may be implemented in such structure
Capillary 1 is placed layer by layer, it is not necessary that capillary 1 to be interspersed in supporting block 3, it is only necessary to after fixing first row capillary 1,
It is caught in supporting block 3 and is then placed in second row capillary 1, then be caught in one layer of supporting block 3, be layering in this manner, work as institute
After having capillary 1 all to place and fix, the header 2 of both sides is finally installed.In the process, capillary is direct
It is placed on the semicircle support slot 5 of supporting block 3, it, can not caused by caliber can be prevented too small without carrying out poling operation
The problem of poling makes it possible the molding of capillary heat exchange of heat pipe, and the effective protection structure of capillary.In this implementation
In example, capillary is the heat exchanger tube that caliber is less than or equal to 2mm.
Preferably, the heat emission hole 6 radially extended along capillary 1, the axis of heat emission hole 6 and half are offered in supporting block 3
It the Axis Cross of circular support groove 5 and is mutually perpendicular to.Heat emission hole 6 is directly connected to the surface of capillary 1, therefore can accelerate hair
The heat exchange on 1 surface of tubule improves heat exchange efficiency.
Preferably, the lightening hole 15 with 6 right-angled intersection of heat emission hole, lightening hole 15 1 are additionally provided at the middle part of supporting block 3
Aspect can play the weight for mitigating supporting block 3, save material, mitigate the effect of heat exchanger overall weight, on the other hand also may be used
To play the role of ventilation heat exchange, the heat exchange efficiency to capillary is improved, improves the heat exchange property of capillary heat exchange of heat pipe.
Supporting block 3 is provided at both ends with wedge-shaped inserted block 7, is provided on side plate 4 and is inserted with 7 matched wedge shape of wedge-shaped inserted block
Slot, supporting block 3 is by 7 plugged and fixed of wedge-shaped inserted block on side plate 4.The wedge shape coordinated with wedge-shaped inserted block 7 is provided on side plate 4
Jack, when supporting block 3 and capillary 1 are completed to install after fixation, it is only necessary to which the wedge-shaped inserted block 7 at 3 both ends of supporting block to be plugged on
On side plate 4, then side plate 4 is fixedly welded on header 2, you can the installation for completing supporting block 3 is fixed.
In the present embodiment, supporting block 3 is made of two pieces of stacked support plates, and two pieces of support plates are propped up by semicircle respectively
Support slot 5 blocks capillary 1, and then crossing soldering furnace and capillary weld becomes an entirety.
It is according to the second embodiment of the present invention, essentially identical with first embodiment in conjunction with referring to shown in Fig. 4 and Fig. 5, no
It is with place, in the present embodiment, U-shaped heat exchange unit is provided between adjacent two rows of capillaries 1.Preferably, it exchanges heat
Unit is U heat exchange 8.The present embodiment adds U heat exchange 8 on the basis of embodiment one between the array pitch of capillary 1,
U heat exchange 8 is divided for multiple regions by supporting block 3, the heat-transfer surface of capillary 1 is further increased by U heat exchange 8
Product improves heat exchange property, and solves drainage problem caused by the change due to heat exchanger mounting means together with capillary 1,
So that condensed water etc. can be flow to along U heat exchange 8 at the side plate 4 of both sides, and it is discharged from side plate 4.U heat exchange 8
For example, heat exchange aluminium tube.
It is according to the third embodiment of the invention, essentially identical with first embodiment in conjunction with referring to shown in Fig. 6 to Fig. 9, no
It is with place, in the present embodiment, supporting rack 16 is provided between adjacent supporting block 3, semicircle is provided on supporting rack 16
Shape slot 9, is provided with semi-circular tube 10 between adjacent two rows of capillaries 1, and the plane of semi-circular tube 10 is towards capillary 1, semi-circular tube 10
It is embedded in semi-circular groove 9.It is contacted with capillary 1 to carry out heat to capillary 1 by the plane of semi-circular tube 10 in the present embodiment
Transmission so that the heat in capillary 1 can quickly be distributed by semi-circular tube 10, increase changing for capillary and air
Hot area improves the heat exchange efficiency of capillary.Semi-circular tube 10 is, for example, aluminum pipe.For U heat exchange 8, semi-circular tube
It is directly inserted into semi-circular groove 9 and forms an entirety, be convenient for positioning, and processing is simpler, without carrying out
Bending reduces difficulty of processing and processing cost.
In the present embodiment, the supporting rack 16 for supporting fixed semi-circular tube 10 is increased between adjacent supporting block 3,
Therefore can positioning easily be supported to semi-circular tube 10 so that semi-circular tube can more easily between capillary 1 into
Row heat exchange.Supporting rack 16 is arranged close to side plate 4, and can be fixedly connected on side plate 4.
In one embodiment not shown in the figure, supporting rack 16 can not also be additionally set, it is directly close in side plate 4
The side of capillary 1 processes corresponding support construction, to reduce installation fixed routine, simplifies the entirety of capillary heat exchange of heat pipe
Structure reduces processing cost.Further, it is also possible to directly be processed into the semicircle for being supported positioning to semi-circular tube 10 on side plate 4
Shape slot, to directly be supported positioning to semi-circular tube 10 by side plate 4.
It is according to the fourth embodiment of the invention, essentially identical with 3rd embodiment in conjunction with referring to shown in Figure 10 and Figure 11,
The difference is that in the present embodiment, by the way that pipe is arranged come instead of the semi-circular tube in 3rd embodiment.In the present embodiment
In, it is provided with circular groove 11 on side plate 4, round heat exchange straight tube 12, circle heat exchange straight tube are provided between adjacent two rows of capillaries 1
12 both ends are plugged in respectively in the circular groove 11 of side plate 4, circle heat exchange straight tube 12 and 1 right-angled intersection of capillary.
In the present embodiment, the thinner thickness of supporting block 3, circle heat exchange straight tube 12 are uniformly distributed between capillary 1, with
Capillary 1 forms criss-cross construction, the square hole that circular groove 11 is offered on side plate 4 and is vertically arranged, circle heat exchange straight tube
12 are plugged on circular groove 11, and supporting block 3 is plugged in square hole, convenient for being positioned to circle heat exchange straight tube 12, while can be with
Supporting block 3 is fixed, prevents supporting block 3 from toppling over.
It is according to the fifth embodiment of the invention, essentially identical with fourth embodiment in conjunction with referring to shown in Figure 12 and Figure 13,
The difference is that in the present embodiment, offering multiple U-type grooves 13 on side plate 4 along its length, supporting block 3 is fastened on U-shaped
In slot 13, capillary 1 is divided into multiple regions by adjacent supporting block 3, and U heat exchange 8, U-shaped heat exchange are covered in each region
Pipe 8 and 1 right-angled intersection of capillary.
Clamping positioning is carried out to supporting block 3 by U-type groove 13 in the present embodiment, is suitable for the supporting block 3 of thinner thickness, together
When can more fully be exchanged heat by U heat exchange 8 so that realized between capillary 1 and air, improve capillary heat exchange of heat pipe
Heat transfer effect.
It is according to the sixth embodiment of the invention, essentially identical with the 5th embodiment in conjunction with referring to shown in Figure 14 and Figure 15,
The difference is that in the present embodiment, multiple U-type grooves 13 being offered on side plate 4 along its length, fixes and sets in U-type groove 13
It is equipped with U-shaped card block 14, supporting block 3 is fixed on U-shaped card block 14.In the present embodiment, side plate 4 is sheet metal component, in metal plate
U-type groove is offered on part.When being assembled, capillary 1 is snapped onto in supporting block 3 first, then by supporting block 3 by only
It erects the U-shaped card block 14 set and blocks and be integrally formed, supporting block 3 that clamping is integrated finally is snapped onto into metal plate by U-shaped card block 14
It is welded and fixed in the U-type groove of golden part.Such structure is particularly suitable for the more heat exchanger structure of the capillary number of plies, Neng Gouyong
Less material and better simply structure realize that installation of the supporting block 3 on side plate 4 is fixed.
It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of capillary heat exchange of heat pipe, which is characterized in that including multiple rows of capillary (1) and positioned at the capillary (1) both ends
Header (2), it includes spaced multiple capillaries (1) often to arrange capillary (1), respectively arranges and passes through between the capillary (1)
Supporting block (3) support is fixed, and the supporting block (3) extends along the arragement direction of capillary (1) described in every row, the supporting block
(3) both ends are fixed by the side plate (4) being arranged on the header (2).
2. capillary heat exchange of heat pipe according to claim 1, which is characterized in that set at the top and bottom of the supporting block (3)
It is equipped with and the matched semicircle support slot (5) of the capillary (1), the semicircle support slot of adjacent two pieces of supporting blocks (3)
(5) it is correspondingly arranged and forms circular locating slot.
3. capillary heat exchange of heat pipe according to claim 2, which is characterized in that offered along described on the supporting block (3)
The heat emission hole (6) of capillary (1) radially extended, the axis of the axis of the heat emission hole (6) and the semicircle support slot (5)
Intersect and is mutually perpendicular to.
4. capillary heat exchange of heat pipe according to claim 1, which is characterized in that the supporting block (3) is provided at both ends with wedge
Shape inserted block (7), is provided on the side plate (4) and the matched wedge-shaped slot of the wedge-shaped inserted block (7), the supporting block (3)
By wedge-shaped inserted block (7) plugged and fixed on the side plate (4).
5. capillary heat exchange of heat pipe according to claim 1, which is characterized in that between the adjacent two rows capillary (1)
It is provided with U-shaped heat exchange unit.
6. capillary heat exchange of heat pipe according to claim 5, which is characterized in that the heat exchange unit is U heat exchange (8).
7. capillary heat exchange of heat pipe according to claim 1, which is characterized in that be arranged between the adjacent supporting block (3)
There is supporting rack (16), semi-circular groove (9) is provided on support frame as described above (16), is set between the adjacent two rows capillary (1)
It is equipped with semi-circular tube (10), towards the capillary (1), the semi-circular tube (10) is embedded described the plane of the semi-circular tube (10)
In semi-circular groove (9).
8. capillary heat exchange of heat pipe according to claim 1, which is characterized in that it is provided with circular groove (11) on the side plate (4),
Round heat exchange straight tube (12), the both ends of the round heat exchange straight tube (12) are provided between the adjacent two rows capillary (1)
It is plugged in respectively in the circular groove (11) of the side plate (4), the round heat exchange straight tube (12) is handed over the capillary (1) cross
Fork.
9. capillary heat exchange of heat pipe according to claim 1, which is characterized in that opened up along its length on the side plate (4)
There are multiple U-type grooves (13), the supporting block (3) to be fastened in the U-type groove (13), the adjacent supporting block (3) will be described
Capillary (1) is divided into multiple regions, and U heat exchange (8), the U heat exchange (8) and the capillary are covered in each region
Manage (1) right-angled intersection.
10. capillary heat exchange of heat pipe according to claim 1, which is characterized in that opened up along its length on the side plate (4)
There are multiple U-type grooves (13), is fixedly installed U-shaped card block (14) in the U-type groove (13), the supporting block (3) is fixed at
On the U-shaped card block (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710251720.9A CN108731508B (en) | 2017-04-18 | 2017-04-18 | Capillary heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710251720.9A CN108731508B (en) | 2017-04-18 | 2017-04-18 | Capillary heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN108731508A true CN108731508A (en) | 2018-11-02 |
| CN108731508B CN108731508B (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710251720.9A Active CN108731508B (en) | 2017-04-18 | 2017-04-18 | Capillary heat exchanger |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243090A (en) * | 2019-05-24 | 2019-09-17 | 湖南达道新能源开发有限公司 | A kind of geothermal energy heat-exchange device |
| WO2021114214A1 (en) * | 2019-12-11 | 2021-06-17 | 浙江氢谷新能源汽车有限公司 | "gas-gas-gas" three-phase heat exchange system for fuel cell heat balance |
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| CN202793090U (en) * | 2012-05-09 | 2013-03-13 | 汪申 | Heat transfer device for evaporation section of cooler |
| CN103225978A (en) * | 2013-05-21 | 2013-07-31 | 苏州威尔博机械有限公司 | Spiral fin heat exchanger and forming process thereof |
| CN203881164U (en) * | 2014-05-19 | 2014-10-15 | 江阴高力环保节能技术有限公司 | Demountable sinuous coil condenser |
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| JPH0539344Y2 (en) * | 1987-05-26 | 1993-10-05 | ||
| CN1556912A (en) * | 2001-07-20 | 2004-12-22 | 谒磨技术株式会社 | Heat exchanger assembly and heat exchange manifold |
| CN101219577A (en) * | 2006-12-21 | 2008-07-16 | 贝卡加热和冷却垫有限责任公司 | Plastic capillary pad, method and apparatus for producing the same |
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| CN202140703U (en) * | 2010-10-27 | 2012-02-08 | 郭海新 | Capillary made from PE-RT (polyethylene of raised temperature resistance) tubing |
| CN102654363A (en) * | 2012-04-16 | 2012-09-05 | 陈建伟 | Anti-corrosive anti-scaling high-efficiency heat exchanger |
| CN202793090U (en) * | 2012-05-09 | 2013-03-13 | 汪申 | Heat transfer device for evaporation section of cooler |
| CN103225978A (en) * | 2013-05-21 | 2013-07-31 | 苏州威尔博机械有限公司 | Spiral fin heat exchanger and forming process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110243090A (en) * | 2019-05-24 | 2019-09-17 | 湖南达道新能源开发有限公司 | A kind of geothermal energy heat-exchange device |
| WO2021114214A1 (en) * | 2019-12-11 | 2021-06-17 | 浙江氢谷新能源汽车有限公司 | "gas-gas-gas" three-phase heat exchange system for fuel cell heat balance |
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| Publication number | Publication date |
|---|---|
| CN108731508B (en) | 2021-07-20 |
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