CN106288894A - A kind of supercritical fluid heat pipe - Google Patents
A kind of supercritical fluid heat pipe Download PDFInfo
- Publication number
- CN106288894A CN106288894A CN201610652860.2A CN201610652860A CN106288894A CN 106288894 A CN106288894 A CN 106288894A CN 201610652860 A CN201610652860 A CN 201610652860A CN 106288894 A CN106288894 A CN 106288894A
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- China
- Prior art keywords
- supercritical fluid
- heat pipe
- section
- bringing
- heat
- Prior art date
- 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
- 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
- F28D15/025—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 having non-capillary condensate return means
-
- 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
- F28D15/0266—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 separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention discloses a kind of supercritical fluid heat pipe, including body, it is injected with supercritical fluid in described body, described body includes the most through bringing-up section, linkage section and cooling section, described supercritical fluid absorbs heat in described bringing-up section, and described supercritical fluid discharges heat at described cooling section, and supercritical fluid is capable of active cycle in heat pipe, avoid the hypodynamic situation of driving to occur, thus enhance the heat transfer property of heat pipe；Supercritical fluid is the fluid of environmental protection working medium and stable chemical nature, and longtime running will not decompose, and envelope material will not be caused corrosion so that the consistency problem of heat pipe is greatly improved, and improves the service life of heat pipe.
Description
Technical field
The present invention relates to heat pipe field, particularly relate to a kind of supercritical fluid heat pipe.
Background technology
Heat pipe is one of known effective high-performance heat transfer components, has good heat conductivity, simple in construction, work can
The superperformance such as lean on.Heat pipe this invention heat transfer element demonstrates the most excellent performance at space industry, in general work
Journey technology also has become as the focus of research, especially at electronic device cooling, the recuperation of heat of the processes such as chemical industry, power, light industry
Aspect, application prospect is boundless.
Heat pipe equivalent heat conductivity, up to 105W/ (m K), is the hundreds times of common metal material, or even thousands of times, general
Logical heat pipe is made up of three parts: shell, capillary wick, working solution, and in terms of heat transfer conditions, heat pipe can be divided into evaporator section, absolutely vertically
Hot arc and condensation segment, heat pipe relies on the phase transformation of therein hydraulic fluid to realize from evaporator section, heat is transferred to condensation segment.
Although heat pipe has the heat transfer property of excellence, but its diabatic process is by factors such as capillary force, steam and condensations
Impact, can constitute the heat transport limitation of heat pipe when thermic load is excessive, the heat transport limitation of heat pipe and the working media of inside heat pipe, heat pipe
Size, shape etc. are relevant, due to the restriction of the adopting heat pipes for heat transfer limit, when thermic load improves, carries out high heat load, long-distance transmissions
Time, the aspect such as heat-sinking capability, driving force demonstrates deficiency；It addition, when the interior hydraulic fluid of pipe is with housing generation chemical reaction or thing
During reason change, the life-span of heat pipe can be affected, produce heat pipe inconsistent problem.The incompatible principal mode of heat pipe has:
(1) incoagulable gas is produced.Due to hydraulic fluid and envelope material generation chemical reaction or electrochemical reaction, produce
Incoagulable gas, forms vent plug at condensation segment, so that effectively condensation area reduces, thermal resistance increases, and heat transfer property deteriorates.
(2) hydraulic fluid physical property deteriorates.Organic working media at a certain temperature, can gradually be decomposed, working media
Physical property changes.
(3) burn into of envelope material dissolves.Hydraulic fluid flows in shell continuously, exist simultaneously the temperature difference, impurity etc. because of
Element, makes envelope material occur to dissolve and corrosion, and flow resistance increases, and adopting heat pipes for heat transfer performance reduces.
Summary of the invention
It is an object of the invention to provide a kind of supercritical fluid heat pipe being filled with supercritical fluid, to solve above-mentioned existing skill
Art exist problem, make the heat transfer property of heat pipe strengthen, service life growth.
For achieving the above object, this practicality invention provides following scheme: the application provides a kind of supercritical fluid heat pipe,
Including body, being injected with supercritical fluid in described body, described body includes the most through bringing-up section, linkage section and cooling
Section, described supercritical fluid absorbs heat in described bringing-up section, and described supercritical fluid discharges heat at described cooling section.
Preferably, described linkage section includes the first linkage section and the second linkage section, and described body includes the most through adding
Hot arc, the first linkage section, cooling section and the second linkage section.
Preferably, described body is the ring pipe closed.
Preferably, also including that described bringing-up section and described cooling section are provided with porous media, described porous media increases institute
State the contact area of supercritical fluid and described bringing-up section and described supercritical fluid and described cooling section.
Preferably, described supercritical fluid is supercritical carbon dioxide.
Preferably, described body is provided with relief valve.
Preferably, the material of described body is A16061.
Preferably, the internal diameter of described body is 2mm, and wall thickness is 1mm.
Preferably, described body is provided with the inlet of described supercritical fluid.
The specific embodiment provided according to the present invention, the invention discloses techniques below effect: the one that the application provides
Being provided with a body in supercritical fluid heat pipe structure, be filled with supercritical fluid in body, body includes the most through adding
Hot arc, linkage section and cooling section, wherein bringing-up section and cooling section can use different heating and the type of cooling to tube fluid
Carry out heating and cooling down.Supercritical fluid, as working media, can absorb heat in bringing-up section, and temperature raises, by buoyancy lift
Impact starts flowing, flows to cooling section along tubular body, is cooled at cooling section, and temperature reduces, and under gravity
Continue flowing, then flow to bringing-up section along tubular body.Finally, supercritical fluid forms the recycle stream of regime flow in pipe
Dynamic, it is possible to the heat of bringing-up section to be transferred to cooling section, so that the wall temperature of bringing-up section maintains uniform temperature, will not persistently increase
Add；
Owing to supercritical fluid has the advantage of gas and liquid concurrently, its viscosity is little, diffusion coefficient is big, density is big, and it is passing
Heat energy power aspect, supercritical fluid is increased dramatically at quasi-Near The Critical Point specific heat, and Convective Heat Transfer is obviously enhanced, exchange capability of heat
Suitable with boiling liquid exchange capability of heat；The physical property change play of supercritical fluid when the temperature of supercritical fluid changes
Strong, the density contrast in shooting flow body can form bigger buoyancy lift, thus realizes supercritical fluid active cycle in heat pipe,
And drive without forming capillary force by the capillary-porous structure on body, the supercritical fluid heat pipe disclosed in present specification
Avoid the hypodynamic situation of driving to occur, thus enhance the heat transfer property of heat pipe；It is different from additionally, due to supercritical fluid
Biphase liquid, does not has obvious liquid-gas interface, and when temperature raises, pressure change is little, thus avoids filling liquid body heat
Manage the problem that common pressure oscillation is big so that reliability, stability are greatly improved；Supercritical fluid is environmental protection working medium and chemistry
The fluid of stable in properties, longtime running will not decompose, and envelope material will not be caused corrosion so that the consistency problem of heat pipe obtains
To greatly improving, improve the service life of heat pipe；A kind of supercritical fluid heat pipe provided herein is filled out in heat pipe
The supercritical fluid filled not only makes the heat transfer property of heat pipe strengthen, and also makes be extended the service life of heat pipe.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the overall structure schematic diagram of supercritical fluid heat pipe；
Wherein, 1-body, 2-supercritical fluid, 3-bringing-up section, 4-cooling section, 5-the first linkage section, 6-the second linkage section.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
It is an object of the invention to provide a kind of supercritical fluid heat pipe being filled with supercritical fluid, to solve above-mentioned existing skill
Art exist problem, make the heat transfer property of heat pipe strengthen, service life growth.
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, real with concrete below in conjunction with the accompanying drawings
The present invention is further detailed explanation to execute mode.
Embodiment 1:
As it is shown in figure 1, the application provides a kind of supercritical fluid heat pipe, including body 1, it is injected with super in described body 1
Critical fluids 2, described body 1 includes the most through bringing-up section 3, linkage section and cooling section 4, and described supercritical fluid 2 is in institute
Stating bringing-up section 3 and absorb heat, described supercritical fluid 2 discharges heat at described cooling section 4.
Wherein, supercritical fluid 2 is supercritical pressure fluid or supercritical temperature fluid, in the body 1 of heat pipe
After portion is filled with supercritical fluid 2, arranging bringing-up section 3, linkage section and cooling section 4 on body 1, body 1 is the ring pipe closed
Or for the single tube closed, supercritical fluid 2 temperature after the bringing-up section 3 of body 1 absorbs heat raises, by the shadow of buoyancy lift
Ringing and start flowing, along body 1 internal flow to cooling section 4, be cooled at cooling section 4, temperature reduces, and under gravity
Continue flowing, then along body 1 internal flow to bringing-up section 3；So that the wall temperature of bringing-up section 3 maintains uniform temperature, Bu Huichi
Continuous increase.
In the application, the supercritical fluid 2 in supercritical fluid heat pipe can be under the effect of bringing-up section 3 and cooling section 4
The body 1 closed is internal can realize stable circulating, and realizes supercritical when the physical property of supercritical fluid 2 changes
The active cycle of fluid 2, without occurring the phenomenon that supercritical fluid 2 driving force deficiency is obstructed in body 1 inner loop, strengthens
The heat transfer property of heat pipe；Supercritical fluid 2 is the fluid of environmental protection working medium and stable chemical nature, and longtime running will not decompose,
Envelope material will not be caused corrosion so that the consistency problem of heat pipe is greatly improved, improve the service life of heat pipe.
Embodiment 2:
As it is shown in figure 1, the structure of the present embodiment a kind of supercritical fluid heat pipe is same as in Example 1, difference is: this reality
The linkage section executing example includes the first linkage section 5 and the second linkage section 6, and described body 1 includes the most through bringing-up section 3, first
Linkage section 5, cooling section 4 and the second linkage section 6；Described body 1 is the ring pipe closed；Described supercritical fluid 2 is supercritical
Carbon dioxide；It is provided with relief valve on described body 1；The material of described body 1 is A16061, and the internal diameter of described body 1 is
2mm, wall thickness is 1mm；The inlet of described supercritical fluid 2 it is provided with on described body 1；
Compared with prior art in the present embodiment, supercritical fluid heat pipe is end to end annular heat pipe, on body 1
Bringing-up section the 3, first linkage section 5, cooling section 4 and the second linkage section 6 are sequentially connected with through, and its pipe interior diameter is 2mm, and wall thickness is
1mm (only as example, however it is not limited to this), body 1 material is A16061 material, and body 1 is internal by being arranged on body 1 sidewall
On inlet or the filling mouth that is arranged on body 1 body (i.e. seal filling technique, first reserve filling in body 1 one end
After mouth is filled into supercritical fluid in certain circumstances, then filling mouth is sealed) it is filled with supercritical fluid 2, wherein, shooting flow
Body 2 is supercritical carbon dioxide；
The bringing-up section 3 of the application middle tube body 1 and cooling section 4 can use different heating and the type of cooling in body 1
Supercritical carbon dioxide carries out heating and cooling down, and supercritical carbon dioxide absorbs heat in bringing-up section 3, releases heat at cooling section 4
Amount, supercritical carbon dioxide is the carbon dioxide being under supercritical pressure, and its diverse location in body 1 has stable temperature
It is poor to spend, owing to violent physical property change causes supercritical carbon dioxide to form active cycle under the influence of buoyancy lift and gravity,
The wall temperature making bringing-up section 3 maintains uniform temperature, will not continue to increase；Due to carbon dioxide be environmental protection working medium and chemical property steady
Fixed, longtime running will not decompose, and envelope material will not be caused corrosion so that the consistency problem of heat pipe is greatly improved,
Improve the service life of heat pipe.
Being additionally provided with relief valve on present specification middle tube body 1 sidewall, relief valve particular location on body 1 is according to need
Setting, the Main Function of relief valve is when finding that in supercritical fluid heat pipe, pressure is higher than the dangerous pressure set, peace
Full valve valve is opened and is carried out pressure release, thus ensures the safety of equipment.
Embodiment 3: as it is shown in figure 1, the structure of the present embodiment a kind of supercritical fluid heat pipe and embodiment 1 and embodiment 2
Identical, difference is: be provided with porous media in the present embodiment in bringing-up section 3 and cooling section 4, and described porous media increases
The contact area of described supercritical fluid 2 and described bringing-up section 3 and described supercritical fluid 2 and described cooling section 4, i.e. in heating
Section 3 and cooling section 4 arrange porous media to reach the purpose of enhanced heat exchange, thus preferably reduce bringing-up section 3 wall temperature.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment, identical similar portion sees mutually.For system disclosed in embodiment
For, owing to it corresponds to the method disclosed in Example, so describe is fairly simple, relevant part sees method part and says
Bright；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, at detailed description of the invention and application model
Place and all will change.In sum, this specification content should not be construed as limitation of the present invention.
Claims (9)
1. a supercritical fluid heat pipe, it is characterised in that include body, is injected with supercritical fluid in described body, described
Body includes the most through bringing-up section, linkage section and cooling section, and described supercritical fluid absorbs heat, institute in described bringing-up section
State supercritical fluid and discharge heat at described cooling section.
Supercritical fluid heat pipe the most according to claim 1, it is characterised in that described linkage section include the first linkage section and
Second linkage section, described body includes the most through bringing-up section, the first linkage section, cooling section and the second linkage section.
Supercritical fluid heat pipe the most according to claim 1 and 2, it is characterised in that described body is the ring pipe closed.
Supercritical fluid heat pipe the most according to claim 1, it is characterised in that also include described bringing-up section and described cooling
Section is provided with porous media, described porous media increase described supercritical fluid and described bringing-up section and described supercritical fluid with
The contact area of described cooling section.
Supercritical fluid heat pipe the most according to claim 1, it is characterised in that described supercritical fluid is supercritical dioxy
Change carbon.
Supercritical fluid heat pipe the most according to claim 1, it is characterised in that be provided with relief valve on described body.
Supercritical fluid heat pipe the most according to claim 1, it is characterised in that the material of described body is A16061.
Supercritical fluid heat pipe the most according to claim 1, it is characterised in that the internal diameter of described body is 2mm, wall thickness is
1mm。
Supercritical fluid heat pipe the most according to claim 1, it is characterised in that be provided with described supercritical on described body
The inlet of fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610652860.2A CN106288894A (en) | 2016-08-10 | 2016-08-10 | A kind of supercritical fluid heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610652860.2A CN106288894A (en) | 2016-08-10 | 2016-08-10 | A kind of supercritical fluid heat pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106288894A true CN106288894A (en) | 2017-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610652860.2A Pending CN106288894A (en) | 2016-08-10 | 2016-08-10 | A kind of supercritical fluid heat pipe |
Country Status (1)
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| CN (1) | CN106288894A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01111197A (en) * | 1987-10-23 | 1989-04-27 | Akutoronikusu Kk | Heat transfer device |
| CN1837737A (en) * | 2005-03-23 | 2006-09-27 | 富准精密工业(深圳)有限公司 | Heat pipe |
| CN101285657A (en) * | 2007-04-09 | 2008-10-15 | 李建民 | Supercritical fluid fluidized intensified heat diffusion method and its heat diffusion working medium and applications |
| CN201463680U (en) * | 2009-09-04 | 2010-05-12 | 苏州聚力电机有限公司 | Pipe body looped heat pipe |
| CN202274788U (en) * | 2011-10-27 | 2012-06-13 | 株洲市众瑞传热技术有限责任公司 | Heat pipe for heat transfer |
| CN203561256U (en) * | 2013-03-13 | 2014-04-23 | 泽鸿(广州)电子科技有限公司 | Miniature loop-type heat pipe equipped with heat-exchange cavity |
| CN103851939A (en) * | 2012-12-07 | 2014-06-11 | 林唯耕 | Loop-type heat transfer structure |
| CN204177257U (en) * | 2014-10-24 | 2015-02-25 | 昆山海益博散热器有限公司 | A kind of annular heat pipe |
| CN204268940U (en) * | 2014-07-11 | 2015-04-15 | 北京帅鑫博朗科技发展有限公司 | A kind of plate-type heat-pipe and novel pipeline |
| CN104776739A (en) * | 2014-01-13 | 2015-07-15 | 杭州三花研究院有限公司 | Heat pipe heat exchanger, evaporator component and heat pump clothes dryer |
-
2016
- 2016-08-10 CN CN201610652860.2A patent/CN106288894A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01111197A (en) * | 1987-10-23 | 1989-04-27 | Akutoronikusu Kk | Heat transfer device |
| CN1837737A (en) * | 2005-03-23 | 2006-09-27 | 富准精密工业(深圳)有限公司 | Heat pipe |
| CN101285657A (en) * | 2007-04-09 | 2008-10-15 | 李建民 | Supercritical fluid fluidized intensified heat diffusion method and its heat diffusion working medium and applications |
| CN201463680U (en) * | 2009-09-04 | 2010-05-12 | 苏州聚力电机有限公司 | Pipe body looped heat pipe |
| CN202274788U (en) * | 2011-10-27 | 2012-06-13 | 株洲市众瑞传热技术有限责任公司 | Heat pipe for heat transfer |
| CN103851939A (en) * | 2012-12-07 | 2014-06-11 | 林唯耕 | Loop-type heat transfer structure |
| CN203561256U (en) * | 2013-03-13 | 2014-04-23 | 泽鸿(广州)电子科技有限公司 | Miniature loop-type heat pipe equipped with heat-exchange cavity |
| CN104776739A (en) * | 2014-01-13 | 2015-07-15 | 杭州三花研究院有限公司 | Heat pipe heat exchanger, evaporator component and heat pump clothes dryer |
| CN204268940U (en) * | 2014-07-11 | 2015-04-15 | 北京帅鑫博朗科技发展有限公司 | A kind of plate-type heat-pipe and novel pipeline |
| CN204177257U (en) * | 2014-10-24 | 2015-02-25 | 昆山海益博散热器有限公司 | A kind of annular heat pipe |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
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