CN104457348A - Modular composite heat exchange device - Google Patents
Modular composite heat exchange device Download PDFInfo
- Publication number
- CN104457348A CN104457348A CN201410668655.6A CN201410668655A CN104457348A CN 104457348 A CN104457348 A CN 104457348A CN 201410668655 A CN201410668655 A CN 201410668655A CN 104457348 A CN104457348 A CN 104457348A
- Authority
- CN
- China
- Prior art keywords
- connector
- joint
- heat
- exchanging tube
- module
- 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.)
- Pending
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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[C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001808 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000005413 snowmelt Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- 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 discloses a modular composite heat exchange device which comprises a backflow head module, a composite heat exchange tube module, a composite heat-preserving tube module and an external connector module which are arranged from bottom to top. Adjacent modules are connected through connection blocks. The backflow head module comprises a backflow pipe, the composite heat exchange tube module is provided with first inner heat-insulation pipes and first outer exchange pipes from inside to outside, the first inner heat-insulation pipes and the first outer exchange pipes are made to be in fixed lengths, and the composite heat exchange tube module can be in different lengths by connecting the first inner heat-insulation pipes and the first outer exchange pipes of the fixed lengths; the composite heat-preserving tube module is provided with a second inner heat-insulation pipe, a second outer exchange pipe and a first outer heat-insulation layer from inside to outside; the external connector module comprises a connector body, a third inner heat-insulation pipe and a second outer heat-insulation layer; each connection piece comprises a male connector and a female connector matched with the male connector. The heat exchange device can meet the requirement for absorbing temperatures of different temperature layers, is high in heat exchange efficiency, and is more convenient to manufacture and install due to the fact that the functional parts are identical in appearance and size.
Description
Technical field
The present invention relates to the application of geothermal energy resources, specifically a kind of modularization combined type heat switch.
Background technology
One of energy that geothermal energy resources are the most ancient in the world.According to measuring and calculating, the total heat energy of earth interior, is about 1.7 hundred million times of worldwide coal reserves.Annual from earth interior through earth's surface dispersed heat, be equivalent to the heat that 1,000 hundred million barrels of oil combustions produce.Winter, under ground surface, 14-25 rice was at 14 degree at 5 degree at 20 degree summer for earth's surface normal temperature, ground surface lower 200 meters at 22 degree, earth's surface normal temperature layer (apart from about 15 meters, ground) is below in about 15 kilometer range, and ground temperature increases with the degree of depth and increases.The average warming rate of underground heat is about 3 ° of C/100 rice.And shallow surface is a huge solar thermal collector, have collected the solar energy of 47%, be more than the mankind utilize energy every year 500 times.It is not by the restriction such as region, resource, be really have a large capacity and a wide range, ubiquitous.Thisly be stored in the almost limitless regenerative resource of shallow surface, also can become clean a kind of form of regenerative resource with making.
The application of underground heat is several again, and one: high-temperature geothermal well; Two: surface and ground water; Three: soil heat source.High-temperature geothermal well, because of the limitation of region, does not have the popularity of application.Water is very desirable thermal source, and because glassware for drinking water has the advantage that thermal capacity is large, good heat-transfer, range of temperature are smaller, thus water source heat pump to exchange heat facility compact, operating condition is stablized.But water source heat pump to exchange heat equipment is higher to water quality requirement, the water that pH value is less than 7 all should not use.If taken in a large number, land subsidence and the source has dried up also can be caused.Although the method for recharging can be adopted to solve, also there is the possibility of environmental pollution.Moreover water is desirable thermal source, be also valuable domestic water, in the area that domestic water lacks, utilizing water source heat in a large number, is also improper behavior.And for soil heat source, nearly all there is soil in inhabited place, so soil heat source has the prospect extensively utilized.Soil is a kind of low level heat energy, can reach extraction heat by the soil geothermal heat exchanger that is coupled.The operation principle of soil coupling geothermal heat exchanger is very similar to water source heat pump to exchange heat equipment, and many exactly heat together passes changes, and by heat transfer medium, is generally water, salt solution or ethylene glycol etc., geothermal energy biography is changed to hydro-thermal energy.Its advantage is 1: the temperature of soil is more stable, and long-term temperature fluctuation is smaller.Summer, the soil moisture was lower than air, and winter, the soil moisture was higher than air again, thus the coefficient of refrigerating performance of heat pump and coefficient of heat supply to compare air source heat pump high.2: geothermal heat exchanger is embedded in underground, do not need defrosting, do not need blower fan enhanced heat exchange yet.3: geothermal heat exchanger heat removal from soil in winter, release heat to soil by heat transfer by heat pump in summer, soil just serves energy storage effect.
At present, Geothermal heat exchanger has horizontal coiled pipe formula and vertical buried pipe formula.Horizontal coiled pipe formula is large because of floor space, buries cost underground high, is the disadvantage that soil heat source utilizes device, does not thus recommend.Vertical buried pipe formula divides again single tube vertical buried pipe formula and U-shaped vertical buried pipe formula (CN 202869060U), in single tube vertical buried pipe formula (CN 202420031U, CN 2510817Y etc.), the patent of domestic China and foreign countries applicant just has tens, and its advantage just can cicada.But wherein all patents have a feature, making in site to install, make whole process consuming time longer, and quality cannot ensure.Because of under the normal temperature layer of earth's surface, the different degree of depth has different temperature, wants to extract different temperature, and will have the heat-exchange tube of different length, and in-site installation, flexibility is not fine, and efficiency is not high.Pipe is not by functional requirement specification configuration.Therefore the rate of heat exchange of heat-exchange tube is not high yet.And have incomplete place to the structure of heat-exchange tube and principle.
Summary of the invention
In order to improve the application in practice of vertical buried pipe formula ground heat-exchange tube, play its advantage better, the present invention, by modular design, optimizes and simplifies structure, playing various properties of materials, make heat exchange reach good exchange efficiency; The manufacture of batch production, quality is more guaranteed, and manufacturing cost is lower, and length is selected more flexible, installs operation also more efficiently with easy.
For solving the technical problem existed in above-mentioned technology, the concrete technical scheme of employing is:
Modularization combined type heat switch is provided with backflow head module, compound thermal exchanging tube module, complex heat-preservation tube module and outer connector module from bottom to top; Backflow head module is connected by connector one with between compound thermal exchanging tube module, compound thermal exchanging tube module is connected by connector two with between complex heat-preservation tube module, be connected by connector three between complex heat-preservation tube module with outer connector module, described connector one, connector two and connector three is the parts of same size, and interchangeable.
Described backflow head module comprises the hollow return duct that a bottom is hemispherical, upper opening, and described return duct length is more than or equal to external diameter more than 4 times; Described compound thermal exchanging tube module is provided with interior instlated tubular one and outer exchanging tube one from inside to outside; Described complex heat-preservation tube module is provided with interior instlated tubular two, outer exchanging tube two and outer thermal insulation layer one from inside to outside; Described outer connector module comprises joint body, interior instlated tubular three and outer thermal insulation layer two, and described interior instlated tubular three is located in joint body, and described outer thermal insulation layer two is wrapped in outside joint body; Described interior instlated tubular one, interior instlated tubular two, interior instlated tubular three are the double walled hollow plastic pipe of same size.
Described connector one, connector two, connector three includes male joint corresponding with it and female joint, the above each male joint, female joint all adopts the composite plastic of high strength to make, the male joint of described each pairing and female joint are the tubulose of hollow, it is inner that described each male joint is sheathed on the female joint of matching with it, described each male joint, each female joint is equipped with multiple through hole, the bottom of described each female joint through hole is just to the top of each male joint through hole matched with it, described each male joint through hole and the center line of each female joint through hole that matches with it are not on the same line, described each female joint top and each male joint bottom are provided with multiple plum blossom boss, described each male joint and each female joint outside are hexagon.
Interior instlated tubular one in described compound thermal exchanging tube module and outer exchanging tube one make sizing length, and compound thermal exchanging tube module can be formed by connecting by connector by instlated tubular one and outer exchanging tube one in multiple sizing length.
The male joint of described each pairing and female joint joint face are taper surface, each pair between male joint with female joint adopt be threaded, and male joint and match with it female joint cooperation taper surface on adopt the O type circle of more than twice to seal.
Between described connector one bottom and return duct top, between connector one top and the bottom of outer exchanging tube one, between connector two bottom and the top of outer exchanging tube one, between connector two top and the bottom of outer exchanging tube two, between connector three bottom and the top of outer exchanging tube two, the O type circle that is equipped with more than twice between connector three top and the bottom of joint body seals, sealant sealing and mechanically pressing sealed three seals device.
Described each male joint, to be connected with fluid sealant mixture with plum blossom boss between each female joint and each interior instlated tubular be attached thereto.
Described joint body is hollow tubular structure, in pipe, bottom is provided with multiple plum blossom boss, interior instlated tubular three is connected by plum blossom boss and fluid sealant mixture with between joint body, described joint body top is provided with one and goes out liquid interface, joint body top be along the circumferential direction also provided with multiple go out liquid interface, joint body lower end edge circumferencial direction is provided with multiple feed liquor interface.
In the internal area ratio of described outer exchanging tube one instlated tubular one the large twice of inner area more than.
Described modularization combined type heat switch can adopt different heat-carrying agents.
By adopting such scheme, compared with prior art, its technique effect is modularization combined type heat switch of the present invention:
Outer exchanging tube one and interior instlated tubular one make sizing length, by selecting different numbers, just can obtain different length, forming different hot exchange powers, meet the absorption to different temperatures layer temperature, use flexibly more convenient.
In order to better heat conduction, in the internal area ratio of outer exchanging tube one instlated tubular one the large twice of inner area more than, the thermal liquid flow velocity therefore in outer exchanging tube one is slower than interior instlated tubular one, also just adds heat exchanger time.Add the change of the net sectional area of the hot switching path of each male and female joint, make flow liquid turbulent flow, improve the uniformity of heat-carrying liquid temp, make heat exchange more effective.
Because earth's surface normal temperature summer is at 20 degree, winter, under ground surface, 14-25 rice was at 14 degree at 5 degree.As will be interchangeably 14 degree of temperature, will the surface temperature invariably in surperficial lower 10 meters affected the temperature of heat-exchange device by the lower 14-25 rice in surface.So heat-exchange device near surface face portion, will be heat insulation with stratum, by the low foamed plastic of the outer layer covers thermal conductivity factor of exchanging tube two outside, (thermal conductivity factor is 0.04W/ (mk) to this heat-exchange device, and thermal conductivity factor is called thermal insulation material at 0.05 W/ (m.K) material below), achieve heat-exchange device and subaerial heat insulation.
In modularization combined type heat switch, each instlated tubular is all double walled hollow plastic pipe, and the male and female joint sealing of composite plastic is all used at its two ends, and effect of heat insulation is better, durable in use; The profile of each male and female joint adopts hexagon, and what facilitate pipe way screws connection.
In the connection of each male and female joint and each instlated tubular corresponding with it, adopt each male and female joint to make plum blossom boss, insert in the hollow wall of the instlated tubular be attached thereto, and connect with fluid sealant mixture, namely play sealing function, turn improve torsional strength.And each male and female joint and the sealing with corresponding each heat-exchange tube, adopt the triple seal method of O type circle+fluid sealant+mechanical compaction, to ensure sealing and the bonding strength of Long-Time Service.In the connection of each male and female joint, then adopt and be threaded, make reliably easy to connect, in sealing, adopt the dual-seal of O type circle+taper surface, ensure that sealing and reliability.
Divide at anti-reflux head, adopt the return duct increased, in order to avoid in long-term work, sedimental deposition, causes the blocking of backflow head, makes scrapping of whole heat-exchange device.
The joint body of Inlet and outlet water part offers multiple feed liquor interface and go out liquid interface, except conveniently taking over, also can sensor installation, provide convenience for automatically controlling.The skin of joint body, also coated one deck foamed plastic, as thermal insulation layer, improves effect of heat insulation.
All parts in modularization combined type heat switch, all can produce and assembling in factory mass, suitability for industrialized production, makes cost reduce, and the quality of product has had guarantee, and operating efficiency also improves a lot.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of modularization combined type heat switch of the present invention;
Fig. 2 is the enlarged drawing of the fit form one of modularization combined type heat switch of the present invention China and foreign countries' exchanging tube one and interior instlated tubular one;
Fig. 3 is fit form two enlarged drawing of modularization combined type heat switch of the present invention China and foreign countries' exchanging tube one and interior instlated tubular one;
Fig. 4 is modularization combined type heat switch A portion of the present invention enlarged drawing.
Detailed description of the invention
Below in conjunction with the embodiment shown in Fig. 1 to Fig. 4, the present invention is further illustrated:
As shown in Figures 1 to 4:
A kind of modularization combined type heat switch, comprises the backflow head module 1, compound thermal exchanging tube module 2, complex heat-preservation tube module 3 and the outer connector module 4 that arrange from bottom to top; Backflow head module 1 is connected by connector 1 with between compound thermal exchanging tube module 2, compound thermal exchanging tube module 2 is connected by connector 26 with between complex heat-preservation tube module 3, be connected by connector 37 between complex heat-preservation tube module 3 with outer connector module 4, described connector 1, connector 26 and connector 37 is same parts, interchangeable.Described backflow head module 1 comprises the hollow return duct 11 that a bottom is hemispherical, upper opening, and described return duct 11 length is greater than 1 meter; Described compound thermal exchanging tube module 2 is provided with interior instlated tubular 1 and outer exchanging tube 1 from inside to outside, interior instlated tubular 1 in described compound thermal exchanging tube module 2 and outer exchanging tube 1 make sizing length, compound thermal exchanging tube module 2 can be formed by connecting by connector by instlated tubular 1 and outer exchanging tube 1 in multiple sizing length, just can obtain different length, and different hot exchange powers and temperature; Described complex heat-preservation tube module 3 is provided with interior instlated tubular 2 31, outer exchanging tube 2 32 and outer thermal insulation layer 1 from inside to outside; Described outer connector module 4 comprises joint body 41, interior instlated tubular 3 42 and outer thermal insulation layer 2 43; Described interior instlated tubular 3 42 is located in joint body 41, and described outer thermal insulation layer 2 43 is wrapped in outside joint body 41, and outer thermal insulation layer 2 43 is foamed plastic, increases heat-blocking action; Described interior instlated tubular 1, interior instlated tubular 2 31, interior instlated tubular 3 42 are double walled hollow plastic pipe.Described connector 1, connector 26, connector 37 includes male joint 51 corresponding with it, 61, 71 and female joint 52, 62, 72, the above each male joint 51, 61, 71 and female joint 52, 62, 72 all adopt the composite plastic of high strength to make, the male joint 51 of described each pairing, 61, 71 with female joint 52, 62, 72 is the tubulose of hollow, described each male joint 51, 61, 71 are sheathed on the female joint 52 of matching with it, 62, 72 is inner, described each male joint 51, 61, 71 and each female joint 52, 62, multiple through hole is equipped with, described each female joint 52 on 72, 62, the bottom of 72 through holes is just to each male joint 51 of matching with it, 61, the top of 71 through holes, described each male joint 51, 61, 71 through holes and each female joint 52 of matching with it, 62, the center line of 72 through holes not on the same line, described each female joint 52, 62, 72 tops and each male joint 51, 61, 71 bottoms are equipped with multiple plum blossom boss, described each male joint 51, 61, 71 with each female joint 52, 62, 72 outsides are hexagon.The male joint of described each pairing and the joint face of female joint are taper surface, and each pair adopts between male joint with female joint and be threaded, and the taper surface coordinated in male joint and the female joint of matching with it all adopts the O type circle of more than twice to seal 63A and 63B.Between described connector 1 bottom and return duct 11 top, between connector 1 top and the bottom of outer exchanging tube 1, between connector 26 bottom and the top of outer exchanging tube 1, between connector 26 top and the bottom of outer exchanging tube 2 32, between connector 37 bottom and the top of outer exchanging tube 2 32, the O type circle that is equipped with more than twice between connector 37 top and the bottom of joint body 41 seals 64, sealant sealing and mechanically pressing sealed 65 three seals devices, improved the intensity and sealing that connect by triple seal.Described each male joint 51,61,71, be connected with fluid sealant mixture with plum blossom boss between each female joint 52,62,72 and each interior instlated tubular 21,31,42 be attached thereto.Described joint body 41 is hollow tubular structure, in pipe, bottom is provided with multiple plum blossom boss, interior instlated tubular 3 42 is connected by plum blossom boss and fluid sealant mixture with between joint body 41, described joint body 41 top is provided with one and goes out liquid interface 44, joint body 41 top be along the circumferential direction also provided with multiple go out liquid interface 45, joint body 41 lower end edge circumferencial direction is provided with multiple feed liquor interface 46.In the internal area ratio of described outer exchanging tube 1 instlated tubular 1 the large twice of inner area more than.Described modularization combined type heat switch can adopt different heat-carrying agents.
As shown in Figure 2, the cylindrical that interior instlated tubular 1 and the fitting method of outer exchanging tube 1 can be processed into interior reinforcement vertically hung scroll smooth with interior instlated tubular 1 for diplomatic replace tubes 1 coordinates.
As shown in Figure 3, the inner circle that interior instlated tubular 1 and the fitting method of outer exchanging tube 1 can be processed into outer reinforcement vertically hung scroll smooth with outer exchanging tube 1 for interior instlated tubular 1 coordinates.
On-the-spot in use, heat exchange temperature as required, selects the rational degree of depth and the length of the composite tube type heat-exchange device that matches.Accomplish fluently respective depth and be greater than the ground lower opening that combined type heat exchanges outer tube caliber, and by the parts of modularization combined type heat switch, spin together by designing requirement, put into and accomplish fluently ground lower opening, tamp ground lower opening with yellow sand.Then by liquid inlet and outlet pipe, be connected on Inlet and outlet water joint.By water pump, conductive fluid is circulated in this composite tube type heat-exchange device, just can realize heat exchange work to conductive fluid.Certainly as will be automatically controlled, also by sensor, can receive on the liquid inlet and outlet mouth of pipe on Inlet and outlet water joint.
Because of composite tube type heat-exchange device inherently analog-U shaped pipe, utilize U-tube principle, as long as use lower powered water circulating pump, overcome the flow resistance of water in pipeline, the generation of heat exchange fluid just can be made to circulate, realize energy-conservation effect.
The embody rule of a kind of modularization combined type heat of the present invention switch has:
Application 1: utilize this heat-exchange device, external running water pipe (all external pipelines want double-layer heat insulation), utilizes siphon principle, need not any power.Just can realize the warm water that summer, winter all can use 18 degree.Also can be used for water and the pre-heating of other liquid in winter, reduce heat energy.As used stainless steel heat pipe, to chemical liquids pre-heating, can certainly be able to cool, as the constant temperature of electroplate liquid.
Application 2: utilize this heat-exchange device, external booster pump (utilize siphon principle, do not need very large power), by pipeline and conductive fluid heat conduction, to ground or space heat transfer.Can be used on snow melt, the soil in winter of turf add cooling in gentle summer, the insulation of aquaculture and raise livestock and cooling, the heating of methane-generating pit, and motor, the cooling of electric box and the cooling of mould or mechanism, wherein apply in the cooling of mould, the part of production can be made, quality is more stable, and take up an area few, electricity consumption also economizes.
Application 3: utilize this heat-exchange device, external booster pump, by utilidor and conductive fluid heat conduction, be connected with high-efficiency radiator, can do cold/hot air-conditioning and use.It is than the air-conditioning of existing use, and electricity consumption can be lacked more than 1/3, and to the Nature no heat discharging.
Application 4: utilize this heat-exchange device, external booster pump, by utilidor and conductive fluid heat conduction, be connected with efficient water curtain style radiator, the cold air-conditioning that can do band humidification uses.It is than the air-conditioning of existing use, and electricity consumption can be lacked more than 1/3, and to the Nature no heat discharging.
Application 5: utilize this heat-exchange device, external booster pump, by utilidor and conductive fluid heat conduction, the effect of earth source heat pump, can serve the hot water of 60 degree Celsius and the cold water of 8 degree Celsius.Be connected with high-efficiency radiator, cold/hot air-conditioning can be done and use.Freeze to 8 degree with summer 30 degree than heating 60 degree winter 0 degree, a lot of energy will be used less.It is than the air-conditioning of existing use, and electricity consumption can be lacked more than 1/2, and to the Nature no heat discharging.
Application 6: if any engineering disused well, this modularization combined type heat switch can be put into, by application 1-5, saves the expense of well-digging.Only want the place utilizing underground heat, all likely use this modularization combined type heat switch.
Application 7: except wanting to utilize the place of underground heat, this modularization combined type heat switch also can be used for the place that other have heat exchange.
The operation principle that the present invention utilizes is: underground structure is generally based on rock and silt, and their coefficient of heat conduction is between 1.7 ~ 5.53 W/mK, and when making heat-carrying liquid with water, the coefficient of heat conduction of water is between 0.5 ~ 0.7 W/mK.And the coefficient of heat conduction of the heat-exchange tube of centre is between 230 ~ 160 W/mK, exceedes more than hundred times of the aforementioned two class material coefficients of heat conduction, the influence factor of heat-exchange tube can not be considered.The coefficient of heat conduction because of rock and silt is greater than the coefficient of heat conduction several times of water, so the heat supply of outside is greater than inner heat absorption, so because of long-term heat absorption, and can not make the possibility that heat-exchange tube environment temperature significantly improves, heat-exchange device long-term work establishment.
Claims (10)
1. a modularization combined type heat switch, is characterized in that: it is provided with backflow head module, compound thermal exchanging tube module, complex heat-preservation tube module and outer connector module from bottom to top; Backflow head module is connected by connector one with between compound thermal exchanging tube module, compound thermal exchanging tube module is connected by connector two with between complex heat-preservation tube module, be connected by connector three between complex heat-preservation tube module with outer connector module, described connector one, connector two and connector three is interchangeable same size component.
2. a kind of modularization combined type heat switch according to claim 1, it is characterized in that: described backflow head module comprises the hollow return duct that a bottom is hemispherical, upper opening, described return duct length is more than or equal to its 4 times of outside dimensions; Described compound thermal exchanging tube module is provided with interior instlated tubular one and outer exchanging tube one from inside to outside; Described complex heat-preservation tube module is provided with interior instlated tubular two, outer exchanging tube two and outer thermal insulation layer one from inside to outside; Described outer connector module comprises joint body, interior instlated tubular three and outer thermal insulation layer two, and described interior instlated tubular three is located in joint body, and described outer thermal insulation layer two is wrapped in outside joint body; Described interior instlated tubular one, interior instlated tubular two, interior instlated tubular three are the double walled hollow plastic pipe of same size.
3. a kind of modularization combined type heat switch according to claim 1, is characterized in that:
Described connector one, connector two, connector three includes male joint corresponding with it and female joint, the above each male joint, female joint all adopts the composite plastic of high strength to make, the male joint of described each pairing and female joint are the tubulose of hollow, it is inner that described each male joint is sheathed on the female joint of matching with it, described each male joint, each female joint is equipped with multiple through hole, the bottom of described each female joint through hole is just to the top of each male joint through hole matched with it, described each male joint through hole and the center line of each female joint through hole that matches with it are not on the same line, described each female joint top and each male joint bottom are provided with multiple plum blossom boss, described each male joint and each female joint outside are hexagon.
4. a kind of modularization combined type heat switch according to claim 2, is characterized in that:
Interior instlated tubular one in described compound thermal exchanging tube module and outer exchanging tube one make sizing length, and compound thermal exchanging tube module can be formed by connecting by connector by instlated tubular one and outer exchanging tube one in multiple sizing length.
5. a kind of modularization combined type heat switch according to claim 3, is characterized in that:
The male joint of described each pairing and female joint joint face are taper surface, each pair between male joint with female joint adopt be threaded, and male joint and match with it female joint cooperation taper surface on adopt the O type circle of more than twice to seal.
6. according to claim 1 and a kind of modularization combined type heat switch according to claim 2, it is characterized in that: between described connector one bottom and return duct top, between connector one top and the bottom of outer exchanging tube one, between connector two bottom and the top of outer exchanging tube one, between connector two top and the bottom of outer exchanging tube two, between connector three bottom and the top of outer exchanging tube two, the O type circle that is equipped with more than twice between connector three top and the bottom of joint body seals, sealant sealing and mechanically pressing sealed three seals device.
7. according to claim 2 and a kind of modularization combined type heat switch according to claim 3, it is characterized in that: each male joint, to be connected with fluid sealant mixture with plum blossom boss between each female joint and each interior instlated tubular be attached thereto.
8. a kind of modularization combined type heat switch according to claim 2, it is characterized in that: described joint body is hollow tubular structure, in pipe, bottom is provided with multiple plum blossom boss, interior instlated tubular three is connected by plum blossom boss and fluid sealant mixture with between joint body, described joint body top is provided with one and goes out liquid interface, joint body top be along the circumferential direction also provided with multiple go out liquid interface, joint body lower end edge circumferencial direction is provided with multiple feed liquor interface.
9. a kind of modularization combined type heat switch according to claim 2, is characterized in that:
In the internal area ratio of described outer exchanging tube one instlated tubular one the large twice of inner area more than.
10. a kind of modularization combined type heat switch according to claim 1, is characterized in that:
Described modularization combined type heat switch can adopt different heat-carrying agents.
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| CN113175761A (en) * | 2021-04-26 | 2021-07-27 | 肖艳 | Efficient geothermal energy heat conduction mechanism |
| CN113446743A (en) * | 2021-06-30 | 2021-09-28 | 北京市地质工程勘察院 | Open type heat exchange inner tube of geothermal well |
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