CN110260695A - A kind of heat pipe and its construction method that evaporator section wide-angle is closely horizontal - Google Patents
A kind of heat pipe and its construction method that evaporator section wide-angle is closely horizontal Download PDFInfo
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- CN110260695A CN110260695A CN201910610500.XA CN201910610500A CN110260695A CN 110260695 A CN110260695 A CN 110260695A CN 201910610500 A CN201910610500 A CN 201910610500A CN 110260695 A CN110260695 A CN 110260695A
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- 238000010276 construction Methods 0.000 title claims abstract description 10
- 238000009833 condensation Methods 0.000 claims abstract description 38
- 230000005494 condensation Effects 0.000 claims abstract description 38
- 238000005192 partition Methods 0.000 claims abstract description 31
- 238000010992 reflux Methods 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims description 63
- 239000003507 refrigerant Substances 0.000 claims description 31
- 238000005553 drilling Methods 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 5
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 18
- 230000005484 gravity Effects 0.000 abstract description 14
- 239000002689 soil Substances 0.000 abstract description 8
- 201000010099 disease Diseases 0.000 abstract description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 3
- 239000011162 core material Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 11
- 238000001704 evaporation Methods 0.000 description 10
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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
- F28D15/0266—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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- General Engineering & Computer Science (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention relates to a kind of evaporator section wide-angle nearly horizontal heat pipes and its construction method, which includes condensation segment and evaporator section, and angle is 90 ° -135 ° between the two, and the heat pipe specifically includes tube wall (1), partition (5) and working medium；Plurality of partitions is axially formed multiple semi-open compartments entire evaporator section, solves the problems, such as that evaporator section cooling range is limited and steam binding phenomenon in the prior art.Heat pipe further comprises working medium return-flow catheter (3) and working medium manifold (4), and working medium return-flow catheter is located on partition, and bottom interval offers multiple dripping holes, efficiently solves the problems, such as that the reflux of evaporator section working medium is difficult in the prior art.Application of the invention has been able to solve the problem that gravity type heat pipe flows back in road engineering application middle and long distance, neargrazing angle working medium, solves the secondary engineering disease outstanding problem of heat pipe roadbed, frozen soil highway builds problem.
Description
Technical field
The present invention relates to Permafrost Area hot pipe technique field more particularly to a kind of nearly horizontal heat pipes of evaporator section wide-angle
And its construction method.
Background technique
Heat pipe (also referred to as hot pin) is a kind of height formed using the quick thermal transport property of heat-conduction principle and refrigerant
Heat conducting device is imitated, the technology is since 1963 by the G.M.Grover invention of LosAlamos National Laboratory, the U.S., in state
It is widely used in inside and outside cold regions engineering.The main operational principle of heat pipe is: liquid in pipe working medium is heated in evaporator section
Evaporation absorbs heat, and the steam state working medium of evaporation condenses release heat in condensation segment via behind adiabatic section to the cold, then liquid refrigerant
It is back to evaporator section under the effect of gravity.Such cyclic process constantly takes the heat of evaporator section to condensation segment, thus to drop
The temperature of low frozen soil, protection of permafrost.
Currently, the heat pipe that frozen soil engineering uses is mainly the linear gravity heat of evaporator section and condensation segment point-blank
Pipe, a small amount of L shape gravity assisted heat pipe for evaporator section and condensation segment reverse extending wire clamp angle less than or equal to 45 °；Gravity assisted heat pipe is in work
The liquid refrigerant for making condensation segment under state is to flow back into evaporator section by self gravitation effect.Meanwhile from cooling effect range,
These heat pipes belong to pure point type cooling measure, cannot adapt to the road engineering that linear, face property cooling requires, easily lead to ground
It is a large amount of to induce roadbed longitudinal cracking etc. for the violent fluctuating at the acute variation and fluctuating of warm isopleth, especially warm season freeze thawing interface
The generation of secondary engineering disease.Especially under the conditions of frozen soil highway, since roadbed breadth is wider, road surface heat absorption intensity is more
Greatly, roadbed lower part and center heat build-up are stronger, and the secondary disease problem faced can be protruded more.In addition, in these heat pipe evaporator sections
Portion's tube wall is smooth, and liquid refrigerant is entirely located in the bottom of heat pipe by gravity, i.e. liquid refrigerant only accounts for the portion of evaporator section rearward
Point, so that cooling range is severely limited.
The shortcomings that for above-mentioned pure point type cooling measure, inventors herein proposes the nearly horizontal reply being laid with of evaporator section
Still when the nearly horizontal laying of evaporator section, there is the reflux of condensation segment liquid refrigerant difficulty in design.Solution in the prior art
Certainly means mainly utilize the capillarity of liquid-sucking core, since capillarity range is extremely limited, are mainly used for that small-sized, non-gravity is warm
Guan Zhong, general length are only several centimeters to tens centimetres, and the distance of meter level length or more is reached for length, and liquid-sucking core can not lead to
Cross transmitting and reflux that capillary action carries out working medium.Moreover, because working medium back-flow velocity is very slow, in reflux apart from longer
In the case of, also easily cause steam state working medium and liquid refrigerant because the direction of motion mutually instead caused by conflict, block, i.e., steam binding shows
The generation of elephant.
As can be seen that there are evaporator section cooling ranges to be limited for heat pipe in the prior art, working medium under nearly horizontal long range state
The problem of reflux hardly possible and steam binding phenomenon, these problems can all influence the cooling efficiency and application effect of heat pipe, therefore need one kind
It is able to solve the new heat pipe of these problems.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of evaporator section wide-angle nearly horizontal heat pipes and its construction party
Method, to solve the problems, such as that evaporator section cooling range is limited and steam binding phenomenon in the prior art.
To solve the above problems, the nearly horizontal heat pipe of evaporator section wide-angle of the present invention, which is characterized in that the heat pipe
Condensation segment and evaporator section between angle be 90 ° -135 °, the partition for specifically including tube wall and being located inside the tube wall
And working medium；Baffle interval described in several piece is located on the inside pipe wall of evaporator section bottom, in the axial direction of the entire evaporator section
It is upper to form multiple semi-open compartments；The height of the partition is the 1/5-2/3 of heat pipe inner wall diameter.
Preferably, which further includes the working medium return-flow catheter and working medium manifold being located inside the tube wall；The work
Opening, is located on the partition, apart from bottom inside pipe wall certain altitude, and its bottom interval offers before and after matter return-flow catheter
Multiple dripping holes；Each compartment is corresponding with the dripping hole；The liquid feeding end of the working medium manifold is located at heat pipe inner wall
On, outlet end is connected with the liquid feeding end of the working medium return-flow catheter, and the working medium manifold is for intercepting and collecting along inside pipe wall
The liquid refrigerant that flows down simultaneously outputs this to the working medium return-flow catheter.
Preferably, which further includes the liquid-sucking core being located in the compartment below the working medium return-flow catheter；The work
Matter return-flow catheter is supported by the liquid-sucking core or by the membrane support.
Preferably, the working medium manifold be specially along the axial circular cone structure with opening, large diameter end be into
Liquid end, radius and heat pipe inner wall radius are adapted, and small-caliber end is outlet end, the radius of radius and the return-flow catheter is mutually fitted
It answers.
Preferably, the working medium manifold is specially drainage strip comprising around heat pipe inner wall circumference setting segmental arc with
And it is connected with the segmental arc and extends downward into oblique section of the working medium return-flow catheter liquid feeding end；The segmental arc is as feed liquor
End, oblique section of the end is as outlet end.
Preferably, the liquid feeding end of the working medium manifold and outlet end are each provided at the middle and upper part of the condensation segment, and working medium is returned
The liquid feeding end of conductance pipe upwardly extends along condensation segment and is connected with the outlet end of the working medium manifold.
Preferably, the partition is arc structure, outer arc side and heat pipe inner wall airtight connection, and interior arc side is used to support institute
State working medium return-flow catheter.
Preferably, the diameter of the dripping hole of working medium return-flow catheter bottom is 1mm -8mm, and aperture spacing is 10mm -
500mm。
Preferably, the length of the condensation segment is 2m -5m, and the length of the evaporator section is 5m -20m.
The present invention also provides a kind of construction methods of the nearly Horizontal heat pipe of wide-angle, comprising:
Step 1: according to the caliber size and length of heat pipe evaporator section, respective aperture, corresponding is drilled through along design angle using drilling machine
The drilling of length, respective direction；
Step 2: keeping the condensation segment of heat pipe state in a vertical shape, the evaporator section is put into the brill in nearly horizontality
Hole is simultaneously fixed.
Compared with the prior art, the present invention has the following advantages:
1, solve the problems, such as that evaporator section cooling range is limited and steam binding phenomenon
In the present invention, the evaporator section of heat pipe is the nearly level design of wide-angle, and the setting of pipe internal partition, (1) makes liquid refrigerant equal
It is distributed in entire evaporator section, allows evaporator section full section overall work, linear cooling effect is formed, is added significantly to hot pin in level side
To sphere of action, (2) for evaporator section ground temperature distribution has differences situation, pass through the high big cooling of part evaporation capacity of ground temperature
The part evaporation capacity more, ground temperature is low cools down less less, realizes autobalance evaporation, forms the uniformity integrally to cool down, and (3) are real
Showed liquid refrigerant reflux, steam state working medium is gone out the foundation in respective channel, effectively prevent the generation of steam binding phenomenon.
, further solve the difficult problem of working medium reflux
In the present invention, on the basis of partition, the setting of working medium return-flow catheter and working medium manifold efficiently solves nearly horizontal heat
The difficult problem of plumber's matter reflux so that the evaporator section of heat pipe of the present invention can be realized over long distances, it is close horizontally linear equal
Even cooling efficiency.In the specific implementation, the length of evaporator section efficiently solves gravity type heat pipe in road engineering up to 5-20m
The problem to flow back using middle and long distance, neargrazing angle working medium.
, solve the secondary engineering disease outstanding problem of heat pipe roadbed, frozen soil highway build problem
In use, evaporator section is closely horizontally inserted into roadbed, by heat pipe parallel discharge spaced apart, it is capable of forming close
Horizontal linear, face property temperature-fall period effectively eliminates previous measure efficiency deficiency, 0 DEG C of isopleth of warm season acutely rises and falls, Temperature Field
The root that the secondary disease of roadbed caused by symmetry difference etc. generates realizes frozen soil wide cut roadbed to Temperature Field cooling efficiency, ground temperature
The particular/special requirement of field symmetrical equilibrium, planarization.
Previous heat pipe roadbed is the biggest problems are that warm season freeze thawing interface, i.e., the violent fluctuating in 0 DEG C face, thereby result in roadbed
The greatest differences of internal frozen-thaw process different parts, and roadbed longitudinal cracking is caused largely to generate.And heat pipe through the invention
Practical application, can be effectively formed freeze, the planarization at melting process freeze thawing interface, the harmony of Temperature Field.
Under the conditions of the prominent problem of frozen soil highway is that the width of roadbed is very big, the uneven heat absorption of roadbed, center are gathered
Thus heat leads to the continuous aggravation of roadbed lower part frozen soil frozen-thaw process, Temperature Field otherness, thus roadbed stress field otherness
It increases.And under the conditions of high-speed broad-width roadbed, how to carry out the balanced Effective Regulation of Temperature Field, smooth cooling is wherein the most key
Technological difficulties.And the solution that the present invention is the problem has found effective solution approach.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Fig. 1 is a kind of general structure schematic diagram of heat pipe of the present invention.
Fig. 2 is another general structure schematic diagram of heat pipe of the present invention.
Fig. 3 is another general structure schematic diagram of heat pipe of the present invention.
Fig. 4 is the outline structural diagram of heat pipe of the present invention.
Fig. 5 is that working medium manifold is side structure schematic view under semicircular platforms structure situation.
Fig. 6 is that working medium manifold is positive structure diagram under semicircular platforms structure situation.
Fig. 7 is that working medium manifold is side view view structural schematic diagram in the case of drainage strip.
Fig. 8 is that working medium manifold is positive structure diagram in the case of drainage strip.
Fig. 9 is that working medium manifold is overlooking structure diagram in the case of drainage strip.
Figure 10 is that working medium manifold is located at the side structure schematic view in the case of condensation segment middle and upper part.
In figure: 1-tube wall, 2-liquid-sucking cores, 3-working medium return-flow catheters, 4-working medium manifolds, 5-partitions, 6-dropping liquids
Hole.
Specific embodiment
The nearly Horizontal heat pipe of 1 iris type wide-angle of embodiment
With reference to Fig. 1 and Fig. 4, in general, the nearly horizontal heat pipe of evaporator section wide-angle of the present invention include top condensation segment and
The evaporator section of lower part, monnolithic case are L-type, condensation segment vertical level, evaporator section is 0 ° with the angle α of horizontal plane obliquely-
45 ° (corresponding " close horizontal "), i.e., angle is 90 ° -135 ° between condensation segment and evaporator section, that is, evaporator section and condensation segment it is anti-
It is 45 ° -90 ° (corresponding " wide-angles ", because of evaporator section and condensation segment reverse extending in the prior art to angle between extended line
Angle is mostly 0 ° -45 ° between line).
From CONSTRUCTED SPECIFICATION, heat pipe of the present invention mainly includes tube wall 1 and the partition being located inside tube wall 15 and working medium.
The interval of plurality of partitions 5 is located on the inside pipe wall of evaporator section bottom, is prevented the flowing of liquid refrigerant horizontal direction, is passed through adjacent separator
5 form multiple semi-open small compartments on the axial direction of entire evaporator section.The height of partition 5 is heat pipe inner wall diameter
, enough upper spaces are reserved in pipe to flow out for steam state working medium.In practical applications, partition 5 can use arcuation
Structure, outer arc side and heat pipe inner wall airtight connection, interior arc side are used to support working medium return-flow catheter 3.
In practical applications, heat pipe caliber is 80mm -120mm, according to the needs that roadbed regulates and controls, the length of heat pipe evaporator section
It spends up to 5-20m, condenses 2-5m of segment length.
Working principle: in extraneous relative low temperature, heat pipe is under working environment, and evaporator section is started to work.Evaporator section
It is in continuous vapor phase transition process every indoor liquid refrigerant positioned at semi-open, steam state is converted by the continuous transpiration of liquid, is taken off
Upper space is ascended into from compartment, steam state working medium under pressure, is constantly entered by the space on top and channel vertical
Condensation segment.
Condensation segment is influenced by the external world, and tube wall temperature is relatively low, and steam state working medium starts to condense in tube wall, is by vapor state
Liquid, under the effect of gravity, liquid refrigerant constantly flow down along vertical tube wall, it is to be understood that with increasing for liquid refrigerant,
It can successively cover first piece of partition, second piece of partition, and so on, it is distributed in each compartment, then enters again and vaporize, is cold
Coagulate, flow down, be distributed in it is each every indoor circulation.
The balanced cooling effect of heat pipe of the present invention is not only in that the overall work of evaporator section, lies also in and adapts to evaporator section difference
The difference of position working strength.For evaporator section different parts there are under the conditions of ground temperature difference, heat pipe of the present invention has in evaporator section
There is autobalance evaporation, i.e. the relatively high position evaporation capacity of ground temperature is relatively large, and other positions are relatively small, thus make
More at the big position cooling of evaporation capacity, other position coolings are relatively fewer, and the uniformity integrally to cool down is consequently formed.
It is existing from the point of view of heat pipe evaporator section liquid refrigerant stops the cross section at position under the effect of partition 5 in the present invention
Liquid refrigerant all fills entire cross section in technology, and liquid refrigerant of the present invention is only positioned at the position of heat pipe bottom about 1/2, is
Liquid refrigerant reflux, steam state working medium go out respective channel foundation provide basis.
Working medium in evaporator section is segmented in different compartments by the present invention using partition 5.In practical applications, Ke Yigen
Regulate and control to need according to the temperature of evaporator section different parts, the height size of compartment 5 is set, makes to import and be somebody's turn to do every indoor working medium regurgitant volume
The needs of regulation are just met for, are achieved the purpose that the position accurate temperature controlling.
Embodiment 2 processes matter return-flow catheter and working medium manifold
With reference to Fig. 1 and Fig. 4, on the basis of embodiment 1, heat pipe of the present invention further includes that the working medium reflux being located inside tube wall 1 is led
Pipe 3 and working medium manifold 4, to solve the problems, such as that nearly Horizontal heat pipe working medium reflux is difficult.
Specifically, it is open before and after working medium return-flow catheter 3, length and evaporation segment length are adapted, and are located on partition 5, distance
Bottom inside pipe wall certain altitude (provides accommodation space for the liquid refrigerant of reflux), and its bottom interval offers multiple dropping liquids
Hole 6(some is not shown in the figure), reflux working medium can be spaced by dripping hole 6, uniformly enter each compartment interior；It is understood that
, each compartment is corresponding with dripping hole 6.
Demand is smoothly spent according to the angular dimension of evaporator section angle α and reflux, can set contour for all partitions 5
Or it is not contour, for example it is set as contour when angle α is larger, when angle α is smaller, such as 0 °, all partitions 5 can be pressed
From height to short setting, so that forming difference in height between the inlet and liquid outlet of working medium return-flow catheter 3 in horizontal evaporator section,
Convenient for working medium reflux.
The liquid feeding end of working medium manifold 4 is located on heat pipe inner wall, and outlet end is connected with the liquid feeding end of working medium return-flow catheter 3,
Working medium manifold 4 is used to intercept and collect the liquid refrigerant flowed down along inside pipe wall and outputs this to working medium return-flow catheter 3.
In practical applications, in terms of material, tube wall 1 can be using good gold of heating conductions such as stainless steel, copper, cast irons
Belong to；Working medium return-flow catheter 3 can be nonmetallic using plastics, rubber, PVC, ceramics etc., is also possible to the metals such as stainless steel, copper, aluminium
Material；Working medium manifold 4 is using materials such as corrosion-resistant plastic or stainless steels, and to improve liquid collecting effect, surface can carry out hydrophily
Processing.Working medium return-flow catheter 3 is identical as evaporation segment length in terms of size, and caliber is 10mm -60mm, and the aperture of dripping hole 6 is straight
Diameter 1mm -8mm opens pitch of holes 10mm -500mm along journey.
Working principle:
Condensation segment liquid refrigerant is intercepted and is collected by working medium manifold 4 in reflux course, then dredges and leads into working medium reflux
In pipe 3.Liquid refrigerant continues to be back to bottom along working medium return-flow catheter 3 under the effect of gravity.Due to 3 bottom of working medium return-flow catheter
Interval is provided with continuous dripping hole 6, and liquid refrigerant will be distributed in each compartment in reflux course by aperture.
In the present invention, the reflux of working medium not only has the driving effect of gravity, while 3 liquid feeding end of working medium return-flow catheter, out liquid
The building of the difference in height at end also forms the driving effect of liquid refrigerant pressure, thereby guarantees that the smooth reflux of liquid refrigerant.
Since working medium return-flow catheter 3 has a certain distance apart from evaporator section tube wall, and it is main around in the operating condition
To be the working medium of steam state, more heat affectings will not be caused to the liquid refrigerant in working medium return-flow catheter 3.Further, working medium
The material (such as the nonmetallic materials such as plastics, rubber, PVC, ceramics) preferably relatively poor using thermal conductivity of return-flow catheter 3, it is right
The working medium of reflux also functions to certain insulation effect, it is of course also possible to use the materials such as metal, only effect is more slightly worse.
By the comprehensive function of both of the above, effectively ensures that rising phase transition process will not occur in reflux course for working medium, thereby guarantee that
The smooth reflux of working medium.
Embodiment 3 plus liquid-sucking core
With reference to Fig. 2, Fig. 3 and Fig. 4, on the basis of embodiment 2, heat pipe of the present invention further includes being located at working medium reflux in compartment to lead
The liquid-sucking core 2 of 3 lower section of pipe, liquid-sucking core 2 can be whole section of laying as needed, can also partially be laid with or be interrupted laying.Working medium
Return-flow catheter 3 is located at the top or centre of liquid-sucking core 2；To improve the transpiration rate under working medium working condition, liquid-sucking core 2
It should not be too thick.Liquid-sucking core 2 is that hydrophilic treated has been done on hydrophilic material or surface, and material can select sponge, glass fiber, wire
Deng.
Using the capillary action of imbibing core material confrontation liquid refrigerant so that the working medium flowed out through dripping hole 6 quickly under
It seeps to evaporator section bottom, is distributed in inside liquid-sucking core 2.Working medium is detached from liquid-sucking core 2 and enters upper space by thermosetting gas, from
And reach strictly disjointing for working substance steam and worker quality liquid access, by reducing the splashing limit of liquid refrigerant, can be improved defeated
Send limit.
The case where for liquid-sucking core 2 are arranged in compartment, working medium return-flow catheter 3 can be supported by liquid-sucking core 2, certainly
It the same manner as in Example 2 can be supported by partition 5.
For the reflux for further ensuring that working medium, for heat pipe evaporator section difference tilt condition, working medium manifold 4 can be located at
Different location.
When i.e. evaporator section angle with horizontal plane is about 25 ° ~ 40 ° in the larger situation in evaporator section inclination angle, working medium is converged
Storage 4 is located near lower position, such as condensation segment and evaporator section intersection, and the working medium collected and flow into working medium return pipe 3 can
Entire working medium return pipe 3 and dripping hole 6 are flowed through with smooth under the effect of gravity, and working medium is distributed in entire evaporator section.Ginseng
See embodiment 4 and embodiment 5.
When i.e. evaporator section angle with horizontal plane α is about 0 ° ~ 25 ° in the smaller situation in evaporator section inclination angle, working medium is converged
Storage 4 is located at higher position, collects and flows into the working medium in working medium return pipe 3 due to the presence of height, meeting is in working medium return pipe 3
The certain pressure of interior generation forces working medium quick backflow thus under the double action of gravity and pressure.Referring to embodiment 6.
4 working medium manifold of embodiment is semicircular platforms structure
With reference to Fig. 5, Fig. 6 and Fig. 4, working medium manifold 4 is specially thin-walled semicircular platforms structure, has opening, big mouth along axial
Diameter end is as liquid feeding end, and radius is adapted with heat pipe inner wall radius and closely connect with heat pipe inner wall, to stop and intercept reflux
Working medium, small-caliber end is as outlet end, and the radius of radius and working medium return-flow catheter 3 is adapted and the feed liquor with return-flow catheter 3
The close connection in end, enters working medium return-flow catheter 3 to dredge the working medium of interception.
The liquid feeding end of above-mentioned working medium manifold 4 can be located at condensation segment and evaporator section intersection position on the lower side, along condensation
The section catadromous liquid refrigerant of inner wall collects in position on the lower side, is then stopped and is intercepted by liquid feeding end.
5 working medium manifold of embodiment is drainage strip
With reference to Fig. 7, Fig. 8, Fig. 9 and Fig. 4 (partition 5 is not shown in the figure), working medium manifold 4 is specially drainage strip comprising around
The segmental arc of setting in heat pipe inner wall one week and it is connected with segmental arc and extends downward into the oblique of 3 liquid feeding end of working medium return-flow catheter
Section；Segmental arc is as liquid feeding end, and oblique section of end is as outlet end.To accelerate back-flow velocity, segmental arc is around heat pipe inner wall
With downward gradient while circumference is arranged, collects in minimum point formation and be then drained to working medium return-flow catheter by oblique section
3 liquid feeding end.
In practical applications, drainage strip is narrow bar shaped, does not influence the flow process of steam state working medium；Drainage strip is hydrophily
Material or or surface done hydrophilic treated, sponge, glass fiber, wire etc. can be selected.
The liquid feeding end of above-mentioned working medium manifold 4 can be located at condensation segment and evaporator section intersection position on the upper side, along condensation
Section inner wall whole circumference on catadromous liquid refrigerant before reaching intersection turning or just arrive corner when just by into
Liquid end resistance gear and interception.
6 working medium manifold of embodiment is located at condensation segment middle and upper part
With reference to Figure 10 and Fig. 4, the liquid feeding end and outlet end of working medium manifold 4 are each provided at the middle and upper part of condensation segment, and working medium reflux is led
The liquid feeding end of pipe 3 upwardly extends along condensation segment and is connected with the outlet end of working medium manifold 4.The specific knot of working medium manifold 4
In structure reference embodiment 5 the case where drainage strip.
The working medium that working medium manifold 4 condenses condensation segment middle and upper part is collected, and is made by working medium return-flow catheter 3 and in high potential energy
The distal end of horizontal evaporator section is delivered under；The condensation working medium for condensing pars infrasegmentalis voluntarily flows into the close of evaporator section under the effect of gravity
End, wherein it is understood that increasing with condensation working medium, can successively cover first piece of partition, second piece of partition, according to
It is secondary to analogize.
The construction method of the nearly horizontal heat pipe of 7 evaporator section wide-angle of embodiment
The construction method of heat pipe disclosed in the various embodiments described above, referring to following steps:
(1) according to the caliber size of heat pipe evaporator section and length, respective aperture, corresponding length are drilled through along design angle using drilling machine
The drilling of degree, respective direction；
(2) the condensation segment state in a vertical shape for keeping heat pipe, is put into drilling in nearly horizontality for evaporator section and fixes.
Technical solution provided by the present invention is described in detail above.Specific case used herein is to this hair
Bright principle and embodiment is expounded, method of the invention that the above embodiments are only used to help understand and its
Core concept.It should be pointed out that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection of the claims in the present invention
In range.
Claims (10)
1. a kind of nearly horizontal heat pipe of evaporator section wide-angle, which is characterized in that angle between the condensation segment and evaporator section of the heat pipe
It is 90 ° -135 °, specifically includes tube wall (1) and be located at the internal partition (5) of the tube wall (1) and working medium；
Partition described in several piece (5) interval is located on the inside pipe wall of evaporator section bottom, in the axial direction of the entire evaporator section
It is upper to form multiple semi-open compartments；The height of the partition (5) is the 1/5-2/3 of heat pipe inner wall diameter.
2. heat pipe as described in claim 1, which is characterized in that the heat pipe further includes being located at the internal working medium of the tube wall (1)
Return-flow catheter (3) and working medium manifold (4)；
Opening, is located on the partition (5) before and after the working medium return-flow catheter (3), apart from bottom inside pipe wall certain altitude, and
Its bottom interval offers multiple dripping holes (6)；Each compartment is corresponding with the dripping hole (6)；
The liquid feeding end of the working medium manifold (4) is located on heat pipe inner wall, the feed liquor of outlet end and the working medium return-flow catheter (3)
End is connected, and the working medium manifold (4) is used to intercept and collect the liquid refrigerant flowed down along inside pipe wall and outputs this to described
Working medium return-flow catheter (3).
3. heat pipe as claimed in claim 2, which is characterized in that the heat pipe further includes being located at the working medium reflux in the compartment
Liquid-sucking core (2) below conduit (3)；The working medium return-flow catheter (3) is supported by the liquid-sucking core (2) or by the partition
(5) it supports.
4. heat pipe as claimed in claim 2, which is characterized in that the working medium manifold (4) is specially to have opening along axial
Circular cone structure, large diameter end is that liquid feeding end, radius and heat pipe inner wall radius are adapted, and small-caliber end is outlet end, half
Diameter and the radius of the return-flow catheter (3) are adapted.
5. heat pipe as claimed in claim 2, which is characterized in that the working medium manifold (4) is specially drainage strip comprising around
The segmental arc of heat pipe inner wall circumference setting and it is connected with the segmental arc and extends downward into working medium return-flow catheter (3) feed liquor
Oblique section of end；The segmental arc is as liquid feeding end, and oblique section of the end is as outlet end.
6. heat pipe as claimed in claim 2, which is characterized in that the liquid feeding end and outlet end of the working medium manifold (4) are all provided with
Liquid feeding end in the middle and upper part of the condensation segment, working medium return-flow catheter (3) is upwardly extended along condensation segment and is converged with the working medium
The outlet end of storage (4) is connected.
7. heat pipe as claimed in claim 2, which is characterized in that the partition (5) is arc structure, in outer arc side and heat pipe
Wall airtight connection, interior arc side are used to support the working medium return-flow catheter (3).
8. heat pipe as claimed in claim 2, which is characterized in that the dripping hole (6) of working medium return-flow catheter (3) bottom it is straight
Diameter is 1mm -8mm, and aperture spacing is 10mm -500mm.
9. heat pipe as claimed in claim 1 or 2, which is characterized in that the length of the condensation segment is 2m -5m, the evaporator section
Length be 5m -20m.
10. a kind of construction method of the nearly Horizontal heat pipe of wide-angle as described in claim 1, which is characterized in that the construction method
Include:
Step 1: according to the caliber size and length of heat pipe evaporator section, respective aperture, corresponding is drilled through along design angle using drilling machine
The drilling of length, respective direction；
Step 2: keeping the condensation segment of heat pipe state in a vertical shape, the evaporator section is put into the brill in nearly horizontality
Hole is simultaneously fixed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910610500.XA CN110260695B (en) | 2019-07-08 | 2019-07-08 | Large-angle approximately-horizontal heat pipe with evaporation section and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910610500.XA CN110260695B (en) | 2019-07-08 | 2019-07-08 | Large-angle approximately-horizontal heat pipe with evaporation section and construction method thereof |
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| CN110260695A true CN110260695A (en) | 2019-09-20 |
| CN110260695B CN110260695B (en) | 2024-09-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762745A (en) * | 2021-01-26 | 2021-05-07 | 江苏苏净集团有限公司 | Heat pipe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6223810B1 (en) * | 1998-03-31 | 2001-05-01 | International Business Machines | Extended air cooling with heat loop for dense or compact configurations of electronic components |
| CN101307996A (en) * | 2007-05-17 | 2008-11-19 | 私立淡江大学 | Flat-plate evaporators structure and loop type hot pipe possessing flat-plate evaporators structure |
| CN201843036U (en) * | 2010-10-24 | 2011-05-25 | 西南交通大学 | Roadbed heating rod |
| CN210268325U (en) * | 2019-07-08 | 2020-04-07 | 俞祁浩 | Large-angle nearly-horizontal heat pipe of evaporation section |
-
2019
- 2019-07-08 CN CN201910610500.XA patent/CN110260695B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6223810B1 (en) * | 1998-03-31 | 2001-05-01 | International Business Machines | Extended air cooling with heat loop for dense or compact configurations of electronic components |
| CN101307996A (en) * | 2007-05-17 | 2008-11-19 | 私立淡江大学 | Flat-plate evaporators structure and loop type hot pipe possessing flat-plate evaporators structure |
| CN201843036U (en) * | 2010-10-24 | 2011-05-25 | 西南交通大学 | Roadbed heating rod |
| CN210268325U (en) * | 2019-07-08 | 2020-04-07 | 俞祁浩 | Large-angle nearly-horizontal heat pipe of evaporation section |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762745A (en) * | 2021-01-26 | 2021-05-07 | 江苏苏净集团有限公司 | Heat pipe |
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|---|---|
| CN110260695B (en) | 2024-09-17 |
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