CN208860177U - The buried gravity assisted heat pipe of big L/D ratio stage evaporation type - Google Patents
The buried gravity assisted heat pipe of big L/D ratio stage evaporation type Download PDFInfo
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- CN208860177U CN208860177U CN201821353430.1U CN201821353430U CN208860177U CN 208860177 U CN208860177 U CN 208860177U CN 201821353430 U CN201821353430 U CN 201821353430U CN 208860177 U CN208860177 U CN 208860177U
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- assisted heat
- stage evaporation
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Abstract
The utility model discloses a kind of buried gravity assisted heat pipes of big L/D ratio stage evaporation type, it include: condensation radiating segment, evaporator section and phase-change working substance, it condenses and is equipped with adiabatic section between radiating segment and evaporator section, evaporator section and adiabatic section are vertically arranged in soil, and condensation radiating segment is located on ground.Several stage evaporation components built in evaporator section, evaporation member are hollow cone platform shape, and inside is arc-shaped surface, the external rib to connect with gravity assisted heat pipe inner wall, and hydrops slot is formed between adjacent rib, and spacing is 10-30 times of evaporator section internal diameter；Evaporator section inner wall and stage evaporation component surface have super lyophilic material coating, and condensation radiating segment, adiabatic section inner wall are lyophobic material coating.The utility model beneficial effect is: forming segmentation hydrops and evaporates and sufficiently soak inner surface continuous evaporation；Traditional gravity heat pipe evaporator section length limitation is broken through, realizes gravity assisted heat pipe high-efficiency evaporating and heat transfer and liquid filled ratio is low under the conditions of big L/D ratio；It is especially suitable for development and utilization shallow layer geothermal energy.
Description
Technical field
The utility model belongs to shallow layer geothermal energy exploitation using technical field, is segmented and steams more particularly to a kind of big L/D ratio
The buried gravity assisted heat pipe of hair style.
Background technique
In recent years, it is increasingly taken seriously to the development and utilization of shallow layer geothermal energy, mostly uses buried water pipe greatly at present, such as
Buried water pipe of U etc..For gravity assisted heat pipe as a kind of new and effective heat transfer element, it has many not available for other heat transfer elements
Advantage: efficient heat-conductive characteristic, excellent uniform temperature, heat flow density changeability etc..In sides such as aerospace, microelectronics, waste heat recycling
It is used widely in face.But the draw ratio of traditional gravity assisted heat pipe evaporator section is not high, cannot be directly used to geothermal exploitation
It utilizes, the buried gravity assisted heat pipe of big L/D ratio need to be used, under the conditions of ground temperature when evaporator section major diameter is bigger, there are condensed fluids
Flowing is uneven, cannot sufficiently soak evaporation wall surface, the evaporation that cannot absorb heat completely is returned to the phenomenon that bottom liquid pool forms cold drop, from
And it limits the length of gravity assisted heat pipe and then influences heat-transfer effect.
Summary of the invention
It cannot be directly used to geothermal development and utilization and its in ground temperature condition to solve gravity assisted heat pipe in the prior art
Under when evaporator section major diameter is bigger, that there are condensed fluid flowings is uneven, cannot sufficiently soak evaporation wall surface, cannot absorb heat completely
Evaporation is returned to bottom liquid pool and forms cold drop, thus the shortcomings that limiting the length of gravity assisted heat pipe and influencing heat-transfer effect, this is practical
There is provided a kind of buried gravity assisted heat pipes of big L/D ratio stage evaporation type for novel purpose.
In order to achieve the above purposes, the technical solution adopted by the utility model is:, and a kind of big L/D ratio stage evaporation type is buried
Gravity assisted heat pipe, including big L/D ratio heat pipe evaporator section, adiabatic section and the condensation heat dissipation on ground by being embedded in soil
Section and internal phase-change working substance, there are also the stage evaporation components for being located at evaporator section.The buried gravity assisted heat pipe evaporator section draw ratio is big
In conventional traditional gravity heat pipe.Evaporator section is vertically arranged in underground constant zone of subsurface temperature, is internally provided with stage evaporation component, is formed and is divided
Section hydrops evaporation, makes working medium uniform wet evaporator section inner wall, and inner wall surface thereof applies one layer of super lyophilic material TiO2；Adiabatic section is embedded in
Soil troposphere simultaneously does isothermal holding, and external is waterproof and anticorrosion insulating layer, for stopping adiabatic section to be radiated outward, to reach exhausted
The purpose of heat, inner wall surface thereof apply one layer of lyophobic material Ni-P；It condenses and is equipped with fin outside radiating segment, play the work for strengthening heat dissipation
With inner wall surface thereof also applies one layer of lyophobic material Ni-P.Phase-change working substance, which uses, is suitable for what soil thermostat layer can normally and efficiently work
Novel nano fluid or certainly wet fluid, pipe internal-filling liquid rate is in 15-20% or so.
The technical effect of the utility model patent are as follows: several are set in the evaporator section of the buried gravity assisted heat pipe of big L/D ratio
Stage evaporation component simultaneously does super lyophily processing in evaporator section inner surface, and stage evaporation component and coating on inner surface can make evaporator section shape
It is evaporated at segmentation hydrops and sufficiently soaks inner surface continuous evaporation, and then breach traditional gravity heat pipe evaporator section length limitation,
High-efficiency evaporating and heat transfer of the gravity assisted heat pipe under the conditions of big L/D ratio are realized, and liquid filled ratio is low, the buried gravity assisted heat pipe is special
It is suitable for developing and using shallow layer geothermal energy.
Detailed description of the invention
Fig. 1 is a kind of buried gravity assisted heat pipe structural schematic diagram of big L/D ratio stage evaporation type of the utility model；
Fig. 2 is the schematic front view of stage evaporation component in Fig. 1；
Fig. 3 is the schematic top plan view of stage evaporation component in Fig. 1；
Fig. 4 is the stereoscopic schematic diagram of stage evaporation component in Fig. 1；
Fig. 5 is a kind of condensation helical disk of the buried gravity assisted heat pipe of big L/D ratio stage evaporation type of the utility model
Pipe structural schematic diagram.
In figure
1, liquid injection hole 2, condensation radiating segment 3, adiabatic section
4, evaporator section 5, phase-change working substance 6, stage evaporation component
7, hydrops slot 8, fin 9, water-proof heat-insulation layer
10, soil troposphere 11, soil thermostat layer 12, rib
13, spiral coil
Specific embodiment
Illustrate with reference to the accompanying drawing a kind of buried gravity assisted heat pipe of big L/D ratio stage evaporation type of the utility model patent into
Row illustrates.
As shown in Fig. 1 to 5, a kind of buried gravity assisted heat pipe of big L/D ratio stage evaporation type, including condensation radiating segment 2, insulation
Section 3, evaporator section 4, three are an entirety, and heat pipe top is welded with a liquid injection hole 1, is filled with by liquid injection hole 1 to inside heat pipe
Phase-change working substance 5, there is multiple stage evaporation components 6 in evaporator section 4, and evaporation member 6 is hollow cone platform shape, is circle inside the frustum of a cone
Arc-shaped curved surface, outside are the multiple ribs connecting with gravity assisted heat pipe inner wall, are installed in evaporator section 4 by expanded joint mode, adjacent point
The spacing of section evaporation member 6 is generally 10-30 times of 4 internal diameter of evaporator section.
Condensation radiating segment 2 is located on ground；Evaporator section 4 and adiabatic section 3 are vertically arranged in soil, wherein evaporator section 4
In soil thermostat layer 11, adiabatic section 3 is located in soil troposphere 10.It is waterproof and anticorrosion insulating layer 9 outside adiabatic section 3, can has
Effect reduces heat and dissipates.
It condenses and adds fin 8 outside radiating segment 2, reinforce heat dissipation；Pipe internal surface does lyophoby processing, and gaseous working medium is promoted to be formed
Dropwise condensation.
4 inner wall of evaporator section does super lyophily processing, flows reflux working medium slowly, is paved with inner wall, uniformly so as to more
The good heat for absorbing each section in soil thermostat layer 11, improves heat utilization ratio.
Claims (10)
1. a kind of buried gravity assisted heat pipe of big L/D ratio stage evaporation type, which includes: condensation radiating segment, evaporator section
And phase-change working substance, adiabatic section is equipped between condensation radiating segment and the evaporator section, the evaporator section and adiabatic section are vertically arranged in soil
In earth, the condensation radiating segment is located on ground, it is characterized in that: several stage evaporation components built in the evaporator section.
2. a kind of buried gravity assisted heat pipe of big L/D ratio stage evaporation type according to claim 1, it is characterized in that: the evaporation
Component is hollow cone platform shape, is arc-shaped surface inside the frustum of a cone, and outside is the multiple ribs connecting with gravity assisted heat pipe inner wall, phase
Hydrops slot is formed between adjacent rib.
3. a kind of buried gravity assisted heat pipe of big L/D ratio stage evaporation type according to claim 1 or 2, it is characterized in that: described
The spacing of stage evaporation component is 10-30 times of evaporator section internal diameter.
4. a kind of buried gravity assisted heat pipe of big L/D ratio stage evaporation type according to claim 3, it is characterized in that: the evaporation
Section inner wall and stage evaporation component surface are equipped with super lyophilic material TiO2Coating.
5. a kind of buried gravity assisted heat pipe of big L/D ratio stage evaporation type according to claim 1, it is characterized in that: the insulation
Section inner wall is equipped with lyophobic material Ni-P coating.
6. a kind of buried gravity assisted heat pipe of big L/D ratio stage evaporation type according to claim 4, it is characterized in that: the evaporation
Section draw ratio is greater than 100.
7. a kind of buried gravity assisted heat pipe of big L/D ratio stage evaporation type according to claim 4, it is characterized in that: the insulation
Section outside wall surface is equipped with waterproof and anticorrosion insulating layer, and the outside of the waterproof and anticorrosion insulating layer is soil troposphere；Outside the evaporator section
Wall is soil thermostat layer.
8. a kind of buried gravity assisted heat pipe of big L/D ratio stage evaporation type according to claim 1, it is characterized in that: the condensation
Radiating segment is spiral coil or serpentine coil structure, and inner wall is equipped with lyophobic material Ni-P coating, and outside is equipped with fin.
9. a kind of buried gravity assisted heat pipe of big L/D ratio stage evaporation type according to claim 1, it is characterized in that: the gravity
The liquid injection hole that phase-change working substance is charged into gravity assisted heat pipe is equipped at the top of heat pipe, the phase-change working substance is suitable for soil perseverance using addition
The novel nano fluid or certainly wet fluid, pipe internal-filling liquid rate that warm layer normally and efficiently works are 15%~20%.
10. a kind of buried gravity assisted heat pipe of big L/D ratio stage evaporation type according to claim 1, it is characterized in that: describedly
Burying gravity assisted heat pipe material is brass or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821353430.1U CN208860177U (en) | 2018-08-22 | 2018-08-22 | The buried gravity assisted heat pipe of big L/D ratio stage evaporation type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821353430.1U CN208860177U (en) | 2018-08-22 | 2018-08-22 | The buried gravity assisted heat pipe of big L/D ratio stage evaporation type |
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| Publication Number | Publication Date |
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| CN208860177U true CN208860177U (en) | 2019-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821353430.1U Active CN208860177U (en) | 2018-08-22 | 2018-08-22 | The buried gravity assisted heat pipe of big L/D ratio stage evaporation type |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871022A (en) * | 2018-08-22 | 2018-11-23 | 天津城建大学 | The buried gravity assisted heat pipe of big L/D ratio stage evaporation type |
| CN116625148A (en) * | 2023-05-18 | 2023-08-22 | 广州麦伦电子科技有限公司 | Antigravity heat pipe and manufacturing method thereof |
-
2018
- 2018-08-22 CN CN201821353430.1U patent/CN208860177U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871022A (en) * | 2018-08-22 | 2018-11-23 | 天津城建大学 | The buried gravity assisted heat pipe of big L/D ratio stage evaporation type |
| CN116625148A (en) * | 2023-05-18 | 2023-08-22 | 广州麦伦电子科技有限公司 | Antigravity heat pipe and manufacturing method thereof |
| CN116625148B (en) * | 2023-05-18 | 2023-11-28 | 广州麦伦电子科技有限公司 | Antigravity heat pipe and manufacturing method thereof |
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