CN105588465A - Double-layered superfine channel grouped heat exchanger with low surface energy heat exchange characteristic - Google Patents
Double-layered superfine channel grouped heat exchanger with low surface energy heat exchange characteristic Download PDFInfo
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- CN105588465A CN105588465A CN201610115721.6A CN201610115721A CN105588465A CN 105588465 A CN105588465 A CN 105588465A CN 201610115721 A CN201610115721 A CN 201610115721A CN 105588465 A CN105588465 A CN 105588465A
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- Prior art keywords
- heat exchanger
- channel
- micro
- heat
- superfine
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
- F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
- F28F3/044—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being pontual, e.g. dimples
-
- 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
- F28D1/03—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 plate-like or laminated conduits
- F28D1/0308—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other
- F28D1/035—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other with U-flow or serpentine-flow inside the conduits
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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 invention discloses a double-layered superfine channel grouped heat exchanger with a low surface energy heat exchange characteristic. The double-layered superfine channel grouped heat exchanger sequentially comprises a heat exchanger upper cover, a sealing washer and a heat exchanger lower cover from top to bottom, wherein the heat exchanger upper cover, the sealing washer and the heat exchanger lower cover are connected to one another through bolts to form a sealing cavity; a heat exchanger inlet of a heat exchanger inlet joint is formed in the heat exchanger upper cover; a heat exchanger outlet connected with a heat exchanger outlet joint is formed in the heat exchanger lower cover; a platelike superfine channel heat exchange group is fixedly arranged in the sealing cavity formed between the heat exchanger upper cover and the heat exchanger lower cover; and a plurality of superfine channels with a super-hydrophobicity surface characteristic are arranged on the upper surface and the lower surface of the superfine channel heat exchange group in parallel. The heat exchange performance of the superfine channel heat exchanger with a low surface energy characteristic surface is higher than that of a common superfine channel heat exchanger by 20%. Therefore, the double-layered superfine channel grouped heat exchanger is simple and compact in structure, has efficient strengthened heat transfer effect, and can be widely used for precise instruments and miniature equipment.
Description
Technical field
The present invention relates to field of heat exchangers, be specifically related to one and there is the efficient strengthening of low-surface-energy and changeThe double-deck micro-channel group heat exchanger of thermal characteristics.
Technical background
Heat exchanger is a kind of energy efficiency equipment, is widely used in oil, chemical industry, metallurgy, electricityThe fields such as power, boats and ships, central heating, refrigeration air-conditioner, machinery, food, pharmacy, traditionalHeat exchanger structure is huge, applies in some main equipments, but along with scientific and technological progress, electronicsParts and equipment trend are integrated, and the heat-transfer equipment of traditional major path cannot meet precision instrumentAnd the diabatic process of micromodule equipment.
The fine sizes microstructure heat exchanger with high surface ratio not only has efficiently goodHeat exchange property, it is simple in structure, compact, efficiently heat exchange efficiency, can solve precision instrumentAnd microelectronics heat radiation process, in order further to improve efficiently the heat exchange efficiency of micro-channel heat exchanger,Micro-channel surface is processed, make micro-channel there is super-hydrophobicity, low-surface-energy characteristicCan more effectively improve the heat exchange property of heat exchanger, propose one for this reason and there is low-surface-energyThe double-deck micro-channel group heat exchanger of efficient enhanced heat exchange characteristic.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide one to there is low-surface-energy heat exchange spyThe double-deck micro-channel group heat exchanger of property.
The present invention achieves the above object by the following technical programs:
There is a double-deck micro-channel group heat exchanger for low-surface-energy heat transfer characteristic, by upper andUnder comprise successively by bolt be connected to form closed cavity heat exchanger upper cover, seal washer, changeHot device lower cover, covers the heat exchanger entrance that is provided with heat exchanger entrance joint on described heat exchanger,Under described heat exchanger, cover and be provided with the heat exchanger exit that connects heat exchanger exit joint, described in changeIn the closed cavity forming between hot device upper cover and heat exchanger lower cover, be fixedly installed tabularMicro-channel heat exchange group, the upper surface of described micro-channel heat exchange group and lower surface are abreastBe provided with some micro-channels with super hydrophobic surface characteristic. Heat-exchange working medium is from inlet attackAfter entering, by the upper and lower two-layer micro-channel group with low-surface-energy characteristic, from outletJoint flows out, and it is simple in structure, compact, and heat exchange property, can effectively solve tradition efficientlyThe insurmountable precision instrument of heat-transfer equipment and the micromodule equipment heat dissipation problem of major path.
Further, described micro-channel is rectangular.
Further, the width of described micro-channel is 0.5-1mm, and the degree of depth is 1-2mm, spacingFor 0.5-1mm.
Further, the super hydrophobic surface contact angle of single micro-channel is more than or equal to 1300。
Further, upper surface and the lower surface of described micro-channel heat exchange group are established altogether abreastBe equipped with 180 micro-channels.
Described micro-channel group is double-decker, heat-exchange working medium from entrance enters, heat exchangeWorking medium can be passed through from upper and lower two-layer micro-channel group, has effectively increased heat exchange area and efficiency.
Compared to existing technology, described micro-channel surface has low surface characteristic structure, hasEfficient enhanced heat exchange performance, can obtain through experiment test: have the fine of low-surface-energy characteristic surfaceChannel heat exchanger improves 20% than the heat exchange property of common micro-channel heat exchanger, simple in structure tightGather.
Brief description of the drawings
Fig. 1 is the quick-fried according to structural representation of the embodiment of the present invention.
Fig. 2 is the overall appearance schematic perspective view of the embodiment of the present invention.
Fig. 3 is that the overall appearance master of the embodiment of the present invention looks schematic diagram.
Fig. 4 is that schematic diagram is looked on an overall appearance left side for the embodiment of the present invention.
Fig. 5 is the overall appearance schematic top plan view of the embodiment of the present invention.
Fig. 6 is the internal structure schematic diagram of the embodiment of the present invention.
Fig. 7 is the micro-channel heat exchange cluster structure schematic perspective view of the embodiment of the present invention.
Fig. 8 is the micro-channel heat exchange group schematic cross-section of the embodiment of the present invention.
Fig. 9 is E place enlarged diagram in Fig. 8.
Figure 10 is the single micro-channel super hydrophobic surface contact angle of micro-channel heat exchange groupSchematic diagram one.
Figure 11 is the single micro-channel super hydrophobic surface contact angle of micro-channel heat exchange groupSchematic diagram two.
The test comparison of Figure 12 embodiment of the present invention and common micro-channel heat exchanger heat exchange propertyFigure.
Shown in figure, be: 1. heat exchanger entrance; 2. heat exchanger entrance joint; 3.M12 countersunk headBolt; 4. heat exchanger upper cover bolt hole; 5. heat exchanger upper cover; 6. micro-channel heat exchange groupGroup M6 trip bolt; 7. micro-channel heat exchange group; 8. micro-channel heat exchange group spiral shellNail hole; 9. gasket seal bolt hole; 10. seal washer; 11. heat exchanger bolt of lower cover holes;12. heat exchanger lower covers; 13. heat exchanger exit joints; 14. heat exchanger exits.
Detailed description of the invention
Below by specific embodiment, object of the present invention is described in further detail, implementsExample can not repeat one by one at this, but therefore embodiments of the present invention are not defined in following enforcementExample.
As shown in Figures 1 to 9, a kind of double-deck micro-channel with low-surface-energy heat transfer characteristicGroup's heat exchanger, from top to bottom comprises the heat exchanger that is connected to form closed cavity by bolt successivelyUpper cover 5, seal washer 10, heat exchanger lower cover 12, in the present embodiment, on described heat exchangerThe edge of lid 5, seal washer 10, heat exchanger lower cover 12 is evenly provided with heat exchanger upper cover spiral shellKeyhole 4, gasket seal bolt hole 9, heat exchanger bolt of lower cover hole 11, by M12 countersunk head spiral shellBolt 3 is connected as a single entity three; On described heat exchanger upper cover 5, be provided with heat exchanger entrance joint 2Heat exchanger entrance 1, on described heat exchanger lower cover 12, be provided with and connect heat exchanger exit joint13 heat exchanger exit 14, forms between described heat exchanger upper cover 5 and heat exchanger lower cover 12Closed cavity in be fixedly installed tabular micro-channel heat exchange group 7, described micro-channelThe upper surface of heat exchange group 7 and lower surface are provided with some super hydrophobic surfaces that have abreastThe micro-channel of characteristic, in the present embodiment, 7 liang of relative edges of micro-channel heat exchange group evenly establishBe equipped with micro-channel heat exchange group screw hole 8, in micro-channel heat exchange group screw hole 8, pass throughMicro-channel heat exchange group 7 is fixed on heat exchanger by the micro-channel heat exchange M6 of group trip boltOn lower cover 12, make micro-channel heat exchange group 7 be fixedly installed on described heat exchanger upper cover 5 HesIn the closed cavity forming between heat exchanger lower cover 12.
Heat-exchange working medium is from heat exchanger entrance joint 2 enters, by the upper and lower two-layer low table that hasThe micro-channel group 7 of face energy characteristic, flows out from heat exchanger exit joint 13, its structure letterSingle, compact, efficiently heat exchange property, the heat-transfer equipment that can effectively solve traditional major path withoutPrecision instrument and micromodule equipment heat dissipation problem that method solves.
The micro-channel heat exchanger general structure of the present embodiment is of a size of400mm × 350mm × 112mm, single micro-channel is rectangular, and width is 1mm, and the degree of depth is 2mm,Spacing is 1mm, simple in structure, compact.
As shown in Figure 10 and Figure 11, the super hydrophobic surface contact angle of single micro-channel is greater thanEqual 130 °.
Upper surface and the lower surface of described micro-channel heat exchange group 7 are provided with 180 altogether abreastIndividual micro-channel.
Described micro-channel group is double-decker, heat-exchange working medium from entrance enters, heat exchangeWorking medium can be passed through from upper and lower two-layer micro-channel group, has effectively increased heat exchange area and efficiency.
The micro-channel group of described heat exchanger cuts low speed feed by line and processes, then usesHydrochloric acid chemical etching micro-channel, thus super hydrophobic surface feature structure formed, make fineChannel surface can have low-surface-energy characteristic.
Described micro-channel surface has low surface characteristic structure, has efficient enhanced heat exchangeCan, can obtain through experiment test: there is low-surface-energy characteristic surface's micro-channel heat exchanger than generalThe heat exchange property of logical micro-channel heat exchanger improves 20% (seeing Figure 12).
The above embodiment of the present invention is only for example of the present invention is clearly described, andIt is not the restriction to embodiments of the present invention. Come for those of ordinary skill in the fieldSay, can also make other changes in different forms on the basis of the above description. ThisIn without also giving exhaustive to all embodiments. All in the spirit and principles in the present inventionWithin do any amendment, be equal to and replace and improvement etc., all should be included in right of the present invention and wantWithin the protection domain of asking.
Claims (5)
1. there is a double-deck micro-channel group heat exchanger for low-surface-energy heat transfer characteristic, byUpper and under comprise successively the heat exchanger upper cover (5), the sealing gasket that are connected to form closed cavity by boltCircle (10), heat exchanger lower cover (12), be provided with heat exchanger entrance on described heat exchanger upper cover (5) and connectThe heat exchanger entrance (1) of head (2), is provided with connection heat exchanger exit on described heat exchanger lower cover (12)The heat exchanger exit (14) of joint (13), is characterized in that: described heat exchanger upper cover (5) and heat exchangeIn the closed cavity forming between device lower cover (12), be fixedly installed tabular micro-channel heat exchangeGroup (7), upper surface and the lower surface of described micro-channel heat exchange group (7) are provided with abreastSome micro-channels with super hydrophobic surface characteristic.
2. fine the leading to of bilayer with low-surface-energy heat transfer characteristic according to claim 1Road group heat exchanger, is characterized in that: described micro-channel is rectangular.
3. fine the leading to of bilayer with low-surface-energy heat transfer characteristic according to claim 2Road group heat exchanger, is characterized in that: the width of described micro-channel is 0.5-1mm, the degree of depthFor 1-2mm, spacing is 0.5-1mm.
4. fine the leading to of bilayer with low-surface-energy heat transfer characteristic according to claim 1Road group heat exchanger, is characterized in that: the super hydrophobic surface contact angle of single micro-channel is largeIn equaling 130 °.
5. fine the leading to of bilayer with low-surface-energy heat transfer characteristic according to claim 2Road group heat exchanger, is characterized in that: the upper surface of described micro-channel heat exchange group (7) and underSurface is provided with 180 micro-channels altogether abreast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610115721.6A CN105588465A (en) | 2016-02-29 | 2016-02-29 | Double-layered superfine channel grouped heat exchanger with low surface energy heat exchange characteristic |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610115721.6A CN105588465A (en) | 2016-02-29 | 2016-02-29 | Double-layered superfine channel grouped heat exchanger with low surface energy heat exchange characteristic |
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| Publication Number | Publication Date |
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| CN105588465A true CN105588465A (en) | 2016-05-18 |
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| CN201610115721.6A Pending CN105588465A (en) | 2016-02-29 | 2016-02-29 | Double-layered superfine channel grouped heat exchanger with low surface energy heat exchange characteristic |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114588847A (en) * | 2020-12-04 | 2022-06-07 | 中国科学院大连化学物理研究所 | Microreactor with double-layer microchannel heat dissipation chip and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114588847A (en) * | 2020-12-04 | 2022-06-07 | 中国科学院大连化学物理研究所 | Microreactor with double-layer microchannel heat dissipation chip and preparation method thereof |
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Application publication date: 20160518 |
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