CN102538523A - Heat pipe type buried pipe heat-exchanging device - Google Patents
Heat pipe type buried pipe heat-exchanging device Download PDFInfo
- Publication number
- CN102538523A CN102538523A CN2010105994570A CN201010599457A CN102538523A CN 102538523 A CN102538523 A CN 102538523A CN 2010105994570 A CN2010105994570 A CN 2010105994570A CN 201010599457 A CN201010599457 A CN 201010599457A CN 102538523 A CN102538523 A CN 102538523A
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- CN
- China
- Prior art keywords
- heat
- pipe
- pipeline
- soil
- exchanger rig
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
- F28F21/062—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing tubular conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/40—Geothermal collectors operated without external energy sources, e.g. using thermosiphonic circulation or heat pipes
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- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Abstract
The invention provides a heat pipe type buried pipe heat-exchanging device. The device comprises a first pipe, a second pipe and a driving device, wherein a heat pipe of the first pipe is made of plastic, and the first pipe is buried in soil to exchange heat with the soil; the heat pipe of the second pipe is made of a metal, the two ends of the second pipe are connected with the two ends of the first pipe, and the second pipe is exposed in air; and the driving device is arranged in the second pipe. The heat exchanging efficiency between an ordinary plastic pipe and the soil is improved by phase-change heat transfer, the length of the buried pipe is reduced, the flow resistance of fluid is reduced, and then the power consumption of a heat-exchanging system pump is effectively reduced.
Description
Technical field
The invention belongs to heat-exchange apparatus, be specifically related to a kind of heat pipe-type pipe laying heat-exchanger rig, be applicable to the field of the geothermal energy resources capable of using such as heat transfer system of underground heat exchanger, hypogee air handling system of earth source heat pump.
Background technology
Heat pump is to make heat from the device of the low MEDIA FLOW of temperature to the high medium of temperature through kind of refrigeration cycle.
Earth source heat pump then is to utilize solar energy and the geothermal energy that absorbs in earth surface shallow-layer water source and the soil, and adopts heat pump principle, gets final product the high-efficiency energy-saving air conditioning system that heat supply can be freezed again.Surface soil and water body are huge solar thermal collectors, have collected 47% solar radiation energy, more than 500 times of human annual utilization; It is again a huge dynamic power balance sysmte simultaneously, the balance that the soil on the face of land and water body keep energy to accept and disperse naturally, so the temperature characterisitic of soil source is more superior than the temperature characterisitic of air source, good energy saving performance.
As one of capital equipment of earth source heat pump is exactly the buried tube type heat exchanger, adopt plastic tube or water pipe coil usually, and the line arrangement mode is in the majority with the vertical pipe laying.Because the low-grade cold and heat source load that heat pump needs is bigger; And the sensible heat of circulating phase-change working medium such as water commonly used conducts heat, and it is low to be buried ground plastic conduit thermal conductivity factor, and phase-change working substance sensible heat heat transfer efficient is low; The influence of factors such as phase-change working substance unit's internal circulating load is big; Underground buried tube length is generally longer, has increased the flow resistance of circulation of fluid to a great extent, the corresponding increase of power consumption of fluid pump system circulation.
Existing hot pipe technique mainly is to utilize gravity type heat pipe to combine with the earth source heat pump horizontal coiled pipe; Make by the good isothermal thermal conductivity of gravity type heat pipe and near the certain temperature of soil conservation the horizontal tube to satisfy heat pump absorbs the heat continuous firing winter at the soil heat source place requirement.But in summer, surface temperature is higher than the depth of soils temperature, and gravity type heat pipe can't operate as normal, and heat pump is in the place's heat release of soil low-temperature receiver, causes near the surface soil accumulation of heat the horizontal tube, and temperature constantly raises.When temperature was higher than system's exhaust temperature, heat pump can't continue circularly cooling.Therefore this device can only be used for the heat supply in winter of heat pump, can not be applicable to the refrigeration in summer.
On the basis of above-mentioned technology, existing a kind of again can be that air-conditioning provides low-temperature receiver in summer, can for heat pump provides the heat pipe that utilizes of thermal source the heat pump of cold and heat source be provided in the winter time again.Its heat pipe inwall is provided with wick, and is positioned at horizontal level, and one section is inserted in the heat exchange of heat pipe, carries out heat exchange with fluid media (medium) in the heat exchange of heat pipe.This invention utilizes the excellent heat conductivity property of heat pipe to reach the purpose with soil heat exchange, thereby reduces pipe laying length, reduces the pumping system power consumption.The application success of the wick problem of summer of having overcome the foregoing invention patent freezing wherein; But also increased manufacture difficulty simultaneously; And improved manufacturing cost, and aspect heat transfer, also receive the influence of the capillary heat accumulation limit, can not satisfy the heat pump requirement of big cold and heat source load.
Summary of the invention
The object of the invention is to provide a kind of heat pipe-type pipe laying heat-exchanger rig, and existing soft heat-exchanger rig pipe laying length is long, the circulation of fluid flow resistance is big and the bigger problem of pump power consumption in order to overcome.
To achieve these goals, a kind of heat pipe-type pipe laying of the present invention heat-exchanger rig comprises: first pipeline, adopt plastic material as heat pipe tubing, during said first pipeline is placed into the soil, with soil to execute heat exchange; Second pipeline adopts metal material as heat pipe tubing, and the two ends of said second pipeline two ends and said first pipeline link to each other, and said second pipeline is exposed in the air; Drive unit is arranged in said second pipeline.
Optional, be placed with phase-change working substance in said first pipeline and second pipeline.
Optional, said phase-change working substance is water, HFC-134a or butane.
Optional, said plastic material is polyethylene or polybutene.
Optional, said metal material is mild steel, stainless steel or copper.
Compared with prior art; The beneficial effect of heat pipe-type pipe laying heat-exchanger rig of the present invention is: the application of heat pipe technology; Utilize phase-change heat transfer to strengthen the heat exchanger efficiency between common plastics tube and the soil, reduce pipe laying length, reduce flow resistance; Thereby effectively reduce the power consumption of heat-exchange system pump, have heat exchange efficiency height, simple in structure, stable performance, an advantage such as cost is low, power consumption is little.
Description of drawings
Fig. 1 is the structural representation of first embodiment of heat pipe-type pipe laying heat-exchanger rig of the present invention.
Fig. 2 is the structural representation of second embodiment of heat pipe-type pipe laying heat-exchanger rig of the present invention.
The specific embodiment
Do detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
At first; Please refer to Fig. 1; Fig. 1 is the structural representation of first embodiment of heat pipe-type pipe laying heat-exchanger rig of the present invention; Shown in accompanying drawing 1, the present invention includes liquid phase-change working medium 1 (gaseous state phase-change working substance 5), liquid phase drive unit 2 (gas phase drive unit 8), metal fin 3, metal tubes 4, plastic piping 6.Plastic piping 6 is positioned at vertical direction, is embedded in the soil.Metal tubes 4 is provided with metal fin 3 with the fluid media (medium) heat exchanging part, to increase heat exchange area.Liquid phase drive unit 2 is located at metal tubes 4 liquid phase-change working medium 1 part.Gas phase drive unit 8 is located at metal tubes 4 gaseous state phase-change working substances 5 parts.
The present invention took out malleation with metal tubes 4, plastic piping 6 inside earlier before using, inject a certain amount of liquid phase-change working medium 1 then.As shown in Figure 1; When soil 7 temperature are higher than metal fin 3 place heat exchanging fluid medium temperatures; Liquid phase-change working medium 1 rises through plastic piping 6, metal tubes 4 absorbing soil 7 heat generating gasification formation gaseous state phase-change working substance 5, and the condensation heat release of catching a cold at metal fin 3 places forms liquid phase-change working medium 1; Heating heat exchanging fluid medium continues to participate in circulation by gravity effect backflow.At this moment, liquid phase drive unit 2 can cut out.When soil 7 temperature are lower than metal fin 3 place heat exchanging fluid medium temperatures; Liquid phase drive unit 2 is extracted into metal fin 3 places with liquid phase-change working medium 1; The gasification of being heated forms gaseous state phase-change working substance 5; Under the driving of liquid phase drive unit 2, drop to soil 7 depths through metal tubes 4, plastic piping 6 again, the condensation heat release of catching a cold forms liquid phase-change working medium 1, continues to participate in circulation.Phase-change working substance is water, HFC-134a or butane
In the foregoing description, liquid phase drive unit 2 can be used gas phase drive unit 8 instead, and is as shown in Figure 2, and Fig. 2 is the structural representation of second embodiment of heat pipe-type pipe laying heat-exchanger rig of the present invention.When soil 7 temperature are higher than metal fin 3 place heat exchanging fluid medium temperatures; Liquid phase-change working medium 1 is absorbing soil 7 heat generating gasification formation gaseous state phase-change working substance 5; Rise through plastic piping 6, metal tubes 4; The condensation heat release of catching a cold at metal fin 3 places forms liquid phase-change working medium 1, and heating heat exchanging fluid medium continues to participate in circulation by gravity effect backflow.At this moment, gas phase drive unit 8 can cut out.When soil 7 temperature are lower than metal fin 3 place heat exchanging fluid medium temperatures; Gas phase drive unit 8 is pressed onto plastic piping 6 places with gaseous state phase-change working substance 5; The condensation heat release of catching a cold forms liquid phase-change working medium 1; Rising in the driving of gas phase drive unit 8 rises to metal fin 3 places through plastic piping 6, metal tubes 4 again, and the gasification of being heated forms gaseous state phase-change working substance 5, continues under the driving of gas phase drive unit 8, to participate in circulation.
This heat-pipe apparatus is equally applicable to the field of geothermal energy resources capable of using such as hypogee air handling system.
Though the present invention discloses as above with preferred embodiment, the present invention is defined in this.Any those skilled in the art are not breaking away from the spirit and scope of the present invention, all can do various changes and modification, so protection scope of the present invention should be as the criterion with claim institute restricted portion.
Claims (5)
1. a heat pipe-type pipe laying heat-exchanger rig is characterized in that, comprising:
First pipeline adopts plastic material as heat pipe tubing, during said first pipeline is placed into the soil, with soil to execute heat exchange;
Second pipeline adopts metal material as heat pipe tubing, and the two ends of said second pipeline two ends and said first pipeline link to each other, and said second pipeline is exposed in the air;
Drive unit is arranged in said second pipeline.
2. heat pipe-type pipe laying heat-exchanger rig according to claim 1 is characterized in that: be placed with phase-change working substance in said first pipeline and second pipeline.
3. heat pipe-type pipe laying heat-exchanger rig according to claim 2 is characterized in that: said phase-change working substance is water, HFC-134a or butane.
4. heat pipe-type pipe laying heat-exchanger rig according to claim 1 is characterized in that: said plastic material is polyethylene or polybutene.
5. heat pipe-type pipe laying heat-exchanger rig according to claim 1 is characterized in that: said metal material is mild steel, stainless steel or copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105994570A CN102538523A (en) | 2010-12-17 | 2010-12-17 | Heat pipe type buried pipe heat-exchanging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105994570A CN102538523A (en) | 2010-12-17 | 2010-12-17 | Heat pipe type buried pipe heat-exchanging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102538523A true CN102538523A (en) | 2012-07-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105994570A Pending CN102538523A (en) | 2010-12-17 | 2010-12-17 | Heat pipe type buried pipe heat-exchanging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102538523A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864532A (en) * | 2015-05-25 | 2015-08-26 | 北京中科华誉能源技术发展有限责任公司 | Buried pipe natural cold source data machine room natural cooling heat pipe system |
| CN108770557A (en) * | 2018-05-29 | 2018-11-09 | 丁文强 | Soil-heating device for planting fruit trees canopy |
| CN110567307A (en) * | 2019-09-17 | 2019-12-13 | 安徽建筑大学 | Passive energy collecting and accumulating energy supply system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2632588Y (en) * | 2003-06-26 | 2004-08-11 | 扶承发 | Vertical soil heat exchanger with double circuit |
| CN1546932A (en) * | 2003-12-15 | 2004-11-17 | 浙江大学 | High efficiency low temperature heat transfer element based on natural circulation precooling process |
| CN2731331Y (en) * | 2004-10-27 | 2005-10-05 | 李德和 | Environment protection ground resource constant water air conditioner |
| CN1789877A (en) * | 2004-12-17 | 2006-06-21 | 尹学军 | Heat pipe device utilizing natural cold energy and application thereof |
-
2010
- 2010-12-17 CN CN2010105994570A patent/CN102538523A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2632588Y (en) * | 2003-06-26 | 2004-08-11 | 扶承发 | Vertical soil heat exchanger with double circuit |
| CN1546932A (en) * | 2003-12-15 | 2004-11-17 | 浙江大学 | High efficiency low temperature heat transfer element based on natural circulation precooling process |
| CN2731331Y (en) * | 2004-10-27 | 2005-10-05 | 李德和 | Environment protection ground resource constant water air conditioner |
| CN1789877A (en) * | 2004-12-17 | 2006-06-21 | 尹学军 | Heat pipe device utilizing natural cold energy and application thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864532A (en) * | 2015-05-25 | 2015-08-26 | 北京中科华誉能源技术发展有限责任公司 | Buried pipe natural cold source data machine room natural cooling heat pipe system |
| CN108770557A (en) * | 2018-05-29 | 2018-11-09 | 丁文强 | Soil-heating device for planting fruit trees canopy |
| CN108770557B (en) * | 2018-05-29 | 2020-11-17 | 浙江三宝知识产权服务有限公司 | A soil heating device for canopy is planted to fruit tree |
| CN110567307A (en) * | 2019-09-17 | 2019-12-13 | 安徽建筑大学 | Passive energy collecting and accumulating energy supply system |
| CN110567307B (en) * | 2019-09-17 | 2024-03-22 | 安徽建筑大学 | Passive energy collecting, energy accumulating and energy supplying system |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120704 |