CN109470069B - Heat pipe heat exchange sleeve and manufacturing method thereof - Google Patents
Heat pipe heat exchange sleeve and manufacturing method thereof Download PDFInfo
- Publication number
- CN109470069B CN109470069B CN201811322265.8A CN201811322265A CN109470069B CN 109470069 B CN109470069 B CN 109470069B CN 201811322265 A CN201811322265 A CN 201811322265A CN 109470069 B CN109470069 B CN 109470069B
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- China
- Prior art keywords
- shaped heat
- end plate
- pipe
- heat pipe
- heat exchange
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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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- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000002184 metal Substances 0.000 claims abstract description 31
- 229910052751 metal Inorganic materials 0.000 claims abstract description 31
- 238000001704 evaporation Methods 0.000 claims abstract description 18
- 230000008020 evaporation Effects 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000009833 condensation Methods 0.000 claims abstract description 14
- 230000005494 condensation Effects 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 12
- 238000002955 isolation Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/06—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of metal tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
A heat pipe heat exchange sleeve comprises a lower end plate, a middle baffle plate, an upper end plate and a plurality of U-shaped heat pipes; the U-shaped heat pipe is inserted between the lower end plate, the middle baffle plate and the upper end plate, the part between the middle baffle plate and the upper end plate is a condensation section, the part between the lower end plate and the middle baffle plate is an evaporation section, and the U-shaped heat pipe is provided with radiating fins on the condensation section and the evaporation section; the U-shaped heat pipe is filled with heat exchange working medium, and the two opening ends of the U-shaped heat pipe are connected in a sealing way through a connecting bent pipe; the middle part of the connecting bent pipe is provided with a connecting hole, the connecting holes on the plurality of connecting bent pipes are communicated through metal capillaries with diameters smaller than the diameters of the U-shaped heat pipes in sequence, so that the plurality of U-shaped heat pipes are communicated, and the connecting positions of the connecting holes and the metal capillaries are welded and sealed. The invention has compact structure and high heat exchange efficiency, realizes the countercurrent heat exchange function, saves the arrangement space and ensures smooth and smooth heat exchange.
Description
Technical Field
The invention relates to the technical field of heat exchange, in particular to a heat pipe heat exchange sleeve and a manufacturing method thereof.
Background
Heat pipe technology has previously been widely used in aerospace, military and other industries. In the existing flue gas emission, the flue gas takes away a large amount of heat, so that energy is wasted, and the environment is polluted. The heat pipes are widely applied to the flue gas waste heat recovery heat exchanger, and have high heat exchange efficiency, and in order to increase the heat exchange efficiency, fin heat pipes are generally adopted. In general, a heat pipe includes an evaporation end and a condensation end, and fluid in the evaporation section absorbs heat and evaporates, and condenses on the condensation end to transfer heat to external fluid. With the development of electronic technology, more and more miniaturized electronic devices also need to dissipate heat, so that the existing heat exchange device has a tendency of miniaturization and high efficiency, and the internal space of the heat exchange device is compact. However, the existing fin heat pipes are manufactured singly, on one hand, the installation process is relatively complex, the cost is relatively high, on the other hand, the intensive degree of the fin heat pipe type heat exchange structure is low, the occupied space is large, and the compact inner space of the existing heat exchange equipment is faced, so that the optimization and selection of the installation space are not facilitated.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides the heat pipe heat exchange sleeve with a compact structure, which can reduce the requirement on installation space, is beneficial to the optimization and selection of the installation space, and can realize the countercurrent heat exchange function to obtain higher heat exchange efficiency.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a heat pipe heat exchange sleeve comprises a lower end plate, a middle baffle plate, an upper end plate and a plurality of U-shaped heat pipes; the U-shaped heat pipe is inserted between the lower end plate, the middle baffle plate and the upper end plate, the part between the middle baffle plate and the upper end plate is a condensation section, the part between the lower end plate and the middle baffle plate is an evaporation section, and the U-shaped heat pipe is provided with radiating fins on the condensation section and the evaporation section; the U-shaped heat pipe is internally filled with heat exchange working medium, and the two opening ends of the U-shaped heat pipe are connected in a sealing way through a connecting bent pipe; the middle part of the connecting bent pipe is provided with a connecting hole, the connecting holes on the plurality of connecting bent pipes are communicated through metal capillaries with diameters smaller than the diameters of the U-shaped heat pipes in sequence, so that the plurality of U-shaped heat pipes are communicated, and the connecting positions of the connecting holes and the metal capillaries are sealed by welding.
From the above, the working principle of the invention is as follows: during heat exchange, the U-shaped heat pipe evaporation section is contacted with hot fluid, the U-shaped heat pipe condensation section is contacted with cold fluid, and because the U-shaped heat pipe evaporation section is positioned below, the heat exchange working medium in the U-shaped heat pipe evaporation section is heated and volatilized into steam by the hot fluid, the steam rises to the U-shaped heat pipe condensation section to be cooled by the cold fluid, and the cooled liquid flows back into the U-shaped heat pipe evaporation section along the inner wall of the heat pipe, and is repeatedly circulated, so that the heat exchange effect is realized.
In conclusion, the heat exchange device has the advantages of compact structure, high heat exchange efficiency, realization of a countercurrent heat exchange function, arrangement space saving and smooth heat exchange; in addition, the metal capillary tube is adopted to communicate the plurality of U-shaped heat pipes, so that on one hand, the uniformity of heat exchange of the plurality of U-shaped heat pipes is improved, on the other hand, the U-shaped heat pipes can be vacuumized through the metal capillary tube and then filled with heat exchange working media, the filling tightness can be effectively improved, and the sealing and isolation are facilitated.
As an improvement of the invention, the U-shaped heat pipes are arranged in a row, and the U-shaped heat pipes in a plurality of rows are inserted among the lower end plate, the middle baffle plate and the upper end plate.
Further, the metal capillary is a copper capillary.
The invention also provides a manufacturing method of the heat pipe heat exchange sleeve.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the manufacturing method of the heat pipe heat exchange sleeve comprises the following steps:
a plurality of U-shaped heat pipes are arranged among the radiating fins, the lower end plate, the middle partition plate and the upper end plate;
expanding the U-shaped heat pipe;
the two opening ends of the U-shaped heat pipe are connected in a sealing way through a connecting bent pipe;
the connecting holes on the plurality of connecting elbows are sequentially communicated by utilizing a metal capillary tube with the diameter smaller than that of the U-shaped heat pipes, so that the plurality of U-shaped heat pipes are communicated;
the joint of the connecting hole and the metal capillary tube is sealed by welding;
vacuumizing the U-shaped heat pipe through a metal capillary tube, and filling heat exchange working medium;
and sealing and isolating the metal capillary by using a sealing clamp.
Compared with the prior art, the technical scheme of the invention has the following innovation points and beneficial effects:
the invention has compact structure and high heat exchange efficiency, realizes the countercurrent heat exchange function, saves the arrangement space and ensures smooth and smooth heat exchange;
according to the invention, the metal capillary tube is adopted to communicate the plurality of U-shaped heat pipes, so that on one hand, the uniformity of heat exchange of the plurality of U-shaped heat pipes is improved, on the other hand, the U-shaped heat pipes can be vacuumized through the metal capillary tube and then filled with heat exchange working media, so that the filling tightness can be effectively improved, and the sealing and isolation are convenient.
Drawings
FIG. 1 is a schematic illustration of a heat pipe heat exchange kit of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a bottom view of fig. 1.
Detailed Description
The invention is further described below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the matters related to the present invention are shown in the accompanying drawings.
Examples
Referring to fig. 1, a heat pipe heat exchange kit includes a lower end plate 10, a middle partition 20, an upper end plate 30, and a plurality of U-shaped heat pipes 40; the lower end plate 10, the middle partition 20 and the upper end plate 30 are sequentially arranged from bottom to top, the U-shaped heat pipes 40 are inserted between the lower end plate 10, the middle partition 20 and the upper end plate 30, the U-shaped heat pipes 40 are divided into a condensation section 41 between the middle partition 20 and the upper end plate 10, an evaporation section 42 between the lower end plate 30 and the middle partition 20, and the U-shaped heat pipes 40 are provided with heat dissipation fins 50 on the condensation section 41 and the evaporation section 42; the U-shaped heat pipe 40 is filled with heat exchange working medium, and two opening ends of the U-shaped heat pipe 40 are connected in a sealing way through a connecting bent pipe 60; the middle part of the connecting bent pipe 60 is provided with a connecting hole 61, the connecting holes 61 on the plurality of connecting bent pipes 60 are sequentially communicated through a metal capillary tube 70 with the diameter smaller than that of the U-shaped heat pipe, so that the plurality of U-shaped heat pipes 40 are communicated, and the joint of the connecting holes 61 and the metal capillary tube 70 is sealed by welding.
From the above, the working principle of the invention is as follows: during heat exchange, the U-shaped heat pipe evaporation section is contacted with hot fluid, the U-shaped heat pipe condensation section is contacted with cold fluid, and because the U-shaped heat pipe evaporation section is positioned below, the heat exchange working medium in the U-shaped heat pipe evaporation section is heated and volatilized into steam by the hot fluid, the steam rises to the U-shaped heat pipe condensation section to be cooled by the cold fluid, and the cooled liquid flows back into the U-shaped heat pipe evaporation section along the inner wall of the heat pipe, and is repeatedly circulated, so that the heat exchange effect is realized.
In conclusion, the heat exchange device has the advantages of compact structure, high heat exchange efficiency, realization of a countercurrent heat exchange function, arrangement space saving and smooth heat exchange; in addition, the metal capillary tube is adopted to communicate the plurality of U-shaped heat pipes, so that on one hand, the uniformity of heat exchange of the plurality of U-shaped heat pipes is improved, on the other hand, the U-shaped heat pipes can be vacuumized through the metal capillary tube and then filled with heat exchange working media, the filling tightness can be effectively improved, and the sealing and isolation are facilitated.
In this embodiment, the plurality of U-shaped heat pipes 40 are arranged in a row, and a plurality of rows of U-shaped heat pipes 40 are inserted among the lower end plate 10, the middle partition 20 and the upper end plate 30. In the multistage heat pipe heat exchanger, as the U-shaped heat pipes of each row are mutually independent, the working temperature of each row is different, and the heat pipe heat exchanger is used for hot fluid and cold fluid: the countercurrent heat exchange is adopted, and the heat exchange efficiency is high.
In this embodiment, the metal capillary 70 is a copper capillary.
The manufacturing method of the heat pipe heat exchange sleeve comprises the following steps:
a plurality of U-shaped heat pipes are arranged among the radiating fins, the lower end plate, the middle partition plate and the upper end plate;
expanding the U-shaped heat pipe;
the two opening ends of the U-shaped heat pipe are connected in a sealing way through a connecting bent pipe;
the connecting holes on the plurality of connecting elbows are sequentially communicated by utilizing a metal capillary tube with the diameter smaller than that of the U-shaped heat pipes, so that the plurality of U-shaped heat pipes are communicated;
the joint of the connecting hole and the metal capillary tube is sealed by welding;
vacuumizing the U-shaped heat pipe through a metal capillary tube, and filling heat exchange working medium;
and sealing and isolating the metal capillary by using a sealing clamp.
According to the invention, the metal capillary tube is adopted to communicate the plurality of U-shaped heat pipes, so that on one hand, the uniformity of heat exchange of the plurality of U-shaped heat pipes is improved, on the other hand, the U-shaped heat pipes can be vacuumized through the metal capillary tube and then filled with heat exchange working media, so that the filling tightness can be effectively improved, and the sealing and isolation are convenient.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (2)
1. A heat pipe heat exchange external member, characterized in that: comprises a lower end plate, a middle baffle plate, an upper end plate and a plurality of U-shaped heat pipes; the U-shaped heat pipe is inserted between the lower end plate, the middle baffle plate and the upper end plate, the part between the middle baffle plate and the upper end plate is a condensation section, the part between the lower end plate and the middle baffle plate is an evaporation section, and the U-shaped heat pipe is provided with radiating fins on the condensation section and the evaporation section; the U-shaped heat pipe is internally filled with heat exchange working medium, and the two opening ends of the U-shaped heat pipe are connected in a sealing way through a connecting bent pipe; the middle part of the connecting bent pipe is provided with a connecting hole, the connecting holes on the plurality of connecting bent pipes are sequentially communicated through a metal capillary pipe with the diameter smaller than that of the U-shaped heat pipe, so that the plurality of U-shaped heat pipes are communicated, and the connecting parts of the connecting holes and the metal capillary pipe are welded and sealed; the metal capillary is a copper capillary; the U-shaped heat pipes are arranged in a row, and a plurality of rows of U-shaped heat pipes are inserted among the lower end plate, the middle baffle plate and the upper end plate.
2. A method of manufacturing a heat pipe heat exchange kit as claimed in claim 1, comprising the steps of:
a plurality of U-shaped heat pipes are arranged among the radiating fins, the lower end plate, the middle partition plate and the upper end plate;
expanding the U-shaped heat pipe;
the two opening ends of the U-shaped heat pipe are connected in a sealing way through a connecting bent pipe;
the connecting holes on the plurality of connecting elbows are sequentially communicated by utilizing a metal capillary tube with the diameter smaller than that of the U-shaped heat pipes, so that the plurality of U-shaped heat pipes are communicated;
the joint of the connecting hole and the metal capillary tube is sealed by welding;
vacuumizing the U-shaped heat pipe through a metal capillary tube, and filling heat exchange working medium;
and sealing and isolating the metal capillary by using a sealing clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811322265.8A CN109470069B (en) | 2018-11-08 | 2018-11-08 | Heat pipe heat exchange sleeve and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811322265.8A CN109470069B (en) | 2018-11-08 | 2018-11-08 | Heat pipe heat exchange sleeve and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109470069A CN109470069A (en) | 2019-03-15 |
| CN109470069B true CN109470069B (en) | 2024-02-09 |
Family
ID=65672157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811322265.8A Active CN109470069B (en) | 2018-11-08 | 2018-11-08 | Heat pipe heat exchange sleeve and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109470069B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2865211Y (en) * | 2005-12-30 | 2007-01-31 | 海安县申菱电器制造有限公司 | Radiator specially for electronic component |
| CN200941023Y (en) * | 2006-06-09 | 2007-08-29 | 李冬庆 | Loop parallel heat pipe and heat exchanger thereof |
| CN201237465Y (en) * | 2008-06-24 | 2009-05-13 | 山东天力干燥设备有限公司 | Oscillatory flow heat pipe exchanger |
| CN201293583Y (en) * | 2008-11-03 | 2009-08-19 | 阿尔西制冷工程技术（北京）有限公司 | Cold-heat exchanger |
| WO2011120302A1 (en) * | 2010-03-31 | 2011-10-06 | 华南理工大学 | Phase-change non-destructive pipe expanding method for inner finned pipe |
| CN209541508U (en) * | 2018-11-08 | 2019-10-25 | 广东工业大学 | A kind of heat pipe heat exchanging external member |
-
2018
- 2018-11-08 CN CN201811322265.8A patent/CN109470069B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2865211Y (en) * | 2005-12-30 | 2007-01-31 | 海安县申菱电器制造有限公司 | Radiator specially for electronic component |
| CN200941023Y (en) * | 2006-06-09 | 2007-08-29 | 李冬庆 | Loop parallel heat pipe and heat exchanger thereof |
| CN201237465Y (en) * | 2008-06-24 | 2009-05-13 | 山东天力干燥设备有限公司 | Oscillatory flow heat pipe exchanger |
| CN201293583Y (en) * | 2008-11-03 | 2009-08-19 | 阿尔西制冷工程技术（北京）有限公司 | Cold-heat exchanger |
| WO2011120302A1 (en) * | 2010-03-31 | 2011-10-06 | 华南理工大学 | Phase-change non-destructive pipe expanding method for inner finned pipe |
| CN209541508U (en) * | 2018-11-08 | 2019-10-25 | 广东工业大学 | A kind of heat pipe heat exchanging external member |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109470069A (en) | 2019-03-15 |
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