CN112229076A - Ground source heat exchange deep well earth surface heat preservation device - Google Patents

Ground source heat exchange deep well earth surface heat preservation device Download PDF

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Publication number
CN112229076A
CN112229076A CN202011260923.2A CN202011260923A CN112229076A CN 112229076 A CN112229076 A CN 112229076A CN 202011260923 A CN202011260923 A CN 202011260923A CN 112229076 A CN112229076 A CN 112229076A
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CN
China
Prior art keywords
heat
deep well
heat storage
storage pit
clamping plate
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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
Application number
CN202011260923.2A
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Chinese (zh)
Inventor
李成成
李成员
崔涛
王国伟
张腾
王永强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
North Ruineng Inner Mongolia Group Co ltd
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North Ruineng Inner Mongolia Group Co ltd
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Publication date
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Priority to CN202011260923.2A priority Critical patent/CN112229076A/en
Publication of CN112229076A publication Critical patent/CN112229076A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24TGEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00Geothermal collectors
    • F24T10/10Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00Solar heat collectors using working fluids
    • F24S10/70Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S60/00Arrangements for storing heat collected by solar heat collectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S70/00Details of absorbing elements
    • F24S70/20Details of absorbing elements characterised by absorbing coatings; characterised by surface treatment for increasing absorption
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00Heat pumps
    • F25B30/06Heat pumps characterised by the source of low potential heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0052Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using the ground body or aquifers as heat storage medium
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S2023/86Arrangements for concentrating solar-rays for solar heat collectors with reflectors in the form of reflective coatings
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/10Geothermal energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention discloses a ground source heat exchange deep well ground surface heat preservation device which is structurally characterized in that a circle of heat storage pits are dug around a well mouth of a heat exchange deep well, the inner side wall of each heat storage pit is the outer wall of an outer sleeve, and heat preservation and insulation layers are laid on the outer side wall and the bottom surface of each heat storage pit; the opening of the heat storage pit on the ground is sealed by a light-transmitting and heat-insulating glass cover; the heat storage pit in the device forms a circle of heat insulation space outside an outer sleeve of a heat exchange deep well mouth, so that rock soil on the ground surface is prevented from directly contacting the outer sleeve to absorb heat of the outer sleeve; meanwhile, the sunlight heats the air in the heat storage pit through the glass cover, and the heat can heat the outer sleeve, so that the temperature of the heat exchange deep well mouth can be increased; in addition, a solar heat collecting pipe can be additionally arranged in the heat storage pit to improve the heat storage capacity of the heat storage pit.

Description

Ground source heat exchange deep well earth surface heat preservation device
Technical Field
The invention belongs to the geothermal energy development technology, and particularly relates to a ground source heat exchange deep well ground surface heat preservation device.
Background
Deep well heat exchange, also called casing heat exchange, is a technology for carrying out fluid circulation inside a single well through a coaxial casing in a deep well, and exchanging heat with a stratum based on a heat conduction mode so as to develop geothermal energy in a mode of 'taking heat but not water'. As shown in fig. 1, a coaxial casing is installed in a well, and cement mortar is often injected between the outer wall of the casing and the surrounding formation to ensure contact and heat transfer between the casing and the surrounding rock, which is also called a casing heat exchange technique, in order to reduce thermal resistance and improve heat exchange efficiency. In order to realize heating, cold water is injected into the outer sleeve 1, the cold water is heated by surrounding rocks (soil) in the descending process and is heated, when the water flows to the bottom of the sleeve, the cold water is transported upwards again through the inner pipe 2, after the hot water returns to the ground, the heat of the hot water is lifted by the heat pump unit 3 and is used for heating buildings, the cooled circulating water enters underground heat exchange circulation again, and the heat in the surrounding rocks (soil) is brought to the ground surface. For example, the application of the technology is an enhanced deep well heat exchanger disclosed in chinese patent application No. CN111365871A, and many related technologies are not listed here.
The difference in temperature is big round the clock in inner Mongolia area, and the ground temperature that is close to the earth's surface in the cold season is lower, and at the in-process of heat transfer, the ground that the deep well is close to the earth's surface makes the temperature of water reduce easily to cause thermal loss.
Disclosure of Invention
The invention aims to provide a ground source heat exchange deep well ground surface heat preservation device, which solves the problems that the temperature of rock soil close to the ground surface of a well mouth of a ground source heat exchange deep well is too low, and the rock soil close to the ground surface easily reduces the temperature of water in the heat exchange process, so that the heat loss is caused.
The technical scheme adopted by the invention is as follows: a ground source heat exchange deep well ground surface heat preservation device is characterized in that a circle of heat storage pits are dug around a well head of a heat exchange deep well, the inner side wall of each heat storage pit is the outer wall of an outer sleeve, and heat preservation and insulation layers are laid on the outer side wall and the bottom surface of each heat storage pit; the opening of the heat storage pit on the ground is sealed by a light-transmitting and heat-insulating glass cover.
One installation scheme of the glass cover is as follows: the upper edge of the outer side wall of the heat storage pit is provided with a first groove type placing table, a second groove type placing table is arranged on the outer wall of the outer sleeve at the same height, the edge of the glass cover is overlapped on the first placing table and the second placing table, and the edge gap is sealed by sealant.
The glass cover is made of toughened glass and is flat glass or arched glass.
Further, the upper surface of the heat-insulating layer is coated with black paint, or a reflector is arranged on the upper surface of the heat-insulating layer.
Furthermore, a plurality of solar heat collecting pipes are erected in the heat storage pit; preferably, the adjacent solar heat collecting pipes are erected in a cross-shaped manner.
Preferably, the installation scheme of the solar heat collecting pipe is as follows: an annular lower inner clamping plate is arranged at the edge of the inner side of the bottom of the heat storage pit, an annular lower outer clamping plate is arranged at the edge of the outer side of the bottom of the heat storage pit, an annular upper inner clamping plate is arranged on the outer side wall of the outer sleeve of the heat storage pit close to the top opening, and an annular upper outer clamping plate is arranged on the outer side wall of the heat storage pit close to the top opening; the lower inner clamping plate, the lower outer clamping plate, the upper inner clamping plate and the upper outer clamping plate are provided with bayonets which correspond one to one; the lower inner clamping plate and the upper outer clamping plate are used for obliquely placing inward solar heat collecting tubes, and two ends of each solar heat collecting tube are clamped in corresponding bayonets; go up interior cardboard and outer cardboard down and be used for the slope to place solar energy collection pipe outwards, solar energy collection pipe both ends card is in the bayonet socket that corresponds.
The depth range of the heat storage pit is 2m-5m below the ground surface, and the thickness of the heat insulation layer is 50mm-100 mm.
The invention has the beneficial effects that: the heat storage pit in the device forms a circle of heat insulation space outside an outer sleeve of a heat exchange deep well mouth, so that rock soil on the ground surface is prevented from directly contacting the outer sleeve to absorb heat of the outer sleeve; meanwhile, the sunlight heats the air in the heat storage pit through the glass cover, and the heat can heat the outer sleeve, so that the temperature of the heat exchange deep well mouth can be increased; in addition, a solar heat collecting pipe can be additionally arranged in the heat storage pit to improve the heat storage capacity of the heat storage pit.
Drawings
FIG. 1 is a schematic diagram of a heat exchange technology of a deep well in the background art.
Fig. 2 is a schematic view of the heat retaining device in example 1.
Fig. 3 is a schematic view of the glass cover arranged in an arch shape.
Fig. 4 is a schematic view of a solar heat collecting pipe installed in the heat storage pit.
Fig. 5 is a schematic view of an installation scheme of the solar heat collecting pipe in embodiment 2.
In the figure: the solar heat collecting tube comprises an outer sleeve 1, an inner tube 2, a heat pump unit 3, a heat storage pit 4, a heat preservation and insulation layer 5, a glass cover 6, a first placing table 7, a second placing table 8, a solar heat collecting tube 9, a lower inner clamping plate 10, a lower outer clamping plate 11, an upper inner clamping plate 12, an upper outer clamping plate 13 and a bayonet 14.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings, which are only used for illustrating the technical solution of the present invention and are not limited.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention; furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1
A ground source heat exchange deep well ground surface heat preservation device is characterized in that as shown in figure 2, a circle of heat storage pits 4 are dug around a well mouth of a heat exchange deep well, the depth range of the heat storage pits 4 in the embodiment is 2m-5m below the ground surface, the inner side wall of each heat storage pit 4 is the outer wall of an outer sleeve 1, heat preservation and insulation layers 5 are laid on the outer side wall and the bottom surface of each heat storage pit 4, and the thickness of each heat preservation and insulation layer 5 is 50mm-100mm in the embodiment; the upper surface of the heat insulation layer 5 is coated with black paint; the opening of the heat storage pit 4 on the ground is sealed by a light-transmitting and heat-insulating glass cover 6; specifically, a groove-shaped placing table I7 is arranged at the upper edge of the outer side wall of the heat storage pit 4, a placing table II 8 is arranged on the outer wall of the outer sleeve 1 at the same height, the edge of the glass cover 6 is lapped on the placing table I7 and the placing table II 8, and the edge gap is sealed by sealant, so that the heat storage pit 4 forms a relatively sealed space; the glass cover 6 is made of tempered glass, and may be flat glass as shown in fig. 2, or may be arch glass as shown in fig. 3, and the heat collection surface of the arch glass is larger.
The heat storage pit 4 forms a circle of heat insulation space at the outer side of the outer sleeve 1 of the heat exchange deep well mouth, so that rock soil on the ground surface is prevented from directly contacting the outer side of the outer sleeve 1 to absorb heat of the outer sleeve 1; simultaneously, the sunlight shines through glass cover 6 black lacquer in to heat accumulation hole 4, and black lacquer absorbs solar energy, and then heats the air in the heat accumulation hole 4, and the heat can heat outer sleeve pipe 1, more is favorable to heat transfer deep well head temperature to promote.
Example 2
On the basis of the embodiment 1, the solar heat collecting pipes 9 can be erected in the heat storage pit 4, so that the solar energy utilization rate is improved, the preferable erection mode of the solar heat collecting pipes 9 is as shown in fig. 4, and the adjacent solar heat collecting pipes 9 are erected in a cross-shaped mode. In addition, the black paint in embodiment 1 is replaced by a reflective plate, and the heat collection efficiency of the solar heat collection tube 9 is improved by increasing the number of times of light reflection.
Fig. 5 shows one specific installation scheme of the solar heat collecting tube: an annular lower inner clamping plate 10 is arranged at the edge of the inner side of the bottom of the heat storage pit, an annular lower outer clamping plate 11 is arranged at the edge of the outer side of the bottom of the heat storage pit, an annular upper inner clamping plate 12 is arranged on the outer side wall of an outer sleeve of the heat storage pit close to the top opening, and an annular upper outer clamping plate 13 is arranged on the outer side wall of the heat storage pit close to the top opening; the lower inner clamping plate 10, the lower outer clamping plate 11, the upper inner clamping plate 12 and the upper outer clamping plate 13 are provided with bayonets 14 which correspond to one another one by one; the lower inner clamping plate 10 and the upper outer clamping plate 13 are used for obliquely placing inward solar heat collecting tubes, and two ends of each solar heat collecting tube are clamped in corresponding bayonets 14; the upper inner clamping plate 12 and the lower outer clamping plate 11 are used for obliquely placing outward solar heat collecting pipes, and two ends of each solar heat collecting pipe are clamped in corresponding bayonets 14.
Although the present invention has been described in detail with reference to the foregoing examples, it will be apparent to one skilled in the art that various changes in the embodiments and/or modifications of the embodiments and/or portions thereof may be made, and all changes, equivalents, and modifications that fall within the spirit and scope of the invention are therefore intended to be embraced by the appended claims.

Claims (9)

1. A ground source heat exchange deep well surface heat preservation device is characterized in that a circle of heat storage pits are dug around a well mouth of a heat exchange deep well, the inner side wall of each heat storage pit is the outer wall of an outer sleeve, and heat preservation and insulation layers are laid on the outer side wall and the bottom surface of each heat storage pit; the opening of the heat storage pit on the ground is sealed by a light-transmitting and heat-insulating glass cover.
2. The ground source heat exchange deep well ground surface heat preservation device of claim 1, characterized in that: the installation scheme of the glass cover is as follows: the upper edge of the outer side wall of the heat storage pit is provided with a first groove type placing table, a second groove type placing table is arranged on the outer wall of the outer sleeve at the same height, the edge of the glass cover is overlapped on the first placing table and the second placing table, and the edge gap is sealed by sealant.
3. The ground source heat exchange deep well ground surface heat preservation device of claim 1 or 2, characterized in that: the glass cover is made of toughened glass and is flat glass or arched glass.
4. The ground source heat exchange deep well ground surface heat preservation device of claim 1, characterized in that: the upper surface of the heat-insulating layer is coated with black paint.
5. The ground source heat exchange deep well ground surface heat preservation device of claim 1, characterized in that: and a reflector is arranged on the upper surface of the heat insulation layer.
6. The ground source heat exchange deep well ground surface heat preservation device of claim 1 or 5, characterized in that: and a plurality of solar heat collecting pipes are erected in the heat storage pit.
7. The ground source heat exchange deep well ground surface heat preservation device of claim 6, characterized in that: the adjacent solar heat collecting pipes are arranged in a cross-shaped mode.
8. The ground source heat exchange deep well ground surface heat preservation device of claim 7, characterized in that: the installation scheme of the solar heat collecting pipe is as follows: an annular lower inner clamping plate is arranged at the edge of the inner side of the bottom of the heat storage pit, an annular lower outer clamping plate is arranged at the edge of the outer side of the bottom of the heat storage pit, an annular upper inner clamping plate is arranged on the outer side wall of the outer sleeve of the heat storage pit close to the top opening, and an annular upper outer clamping plate is arranged on the outer side wall of the heat storage pit close to the top opening; the lower inner clamping plate, the lower outer clamping plate, the upper inner clamping plate and the upper outer clamping plate are provided with bayonets which correspond one to one; the lower inner clamping plate and the upper outer clamping plate are used for obliquely placing inward solar heat collecting tubes, and two ends of each solar heat collecting tube are clamped in corresponding bayonets; go up interior cardboard and outer cardboard down and be used for the slope to place solar energy collection pipe outwards, solar energy collection pipe both ends card is in the bayonet socket that corresponds.
9. The ground source heat exchange deep well ground surface heat preservation device of claim 1, characterized in that: the depth range of the heat storage pit is 2m-5m below the ground surface, and the thickness of the heat insulation layer is 50mm-100 mm.
CN202011260923.2A 2020-11-12 2020-11-12 Ground source heat exchange deep well earth surface heat preservation device Pending CN112229076A (en)

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CN202011260923.2A CN112229076A (en) 2020-11-12 2020-11-12 Ground source heat exchange deep well earth surface heat preservation device

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3142347A1 (en) * 1981-10-26 1983-05-05 Walter 8200 Rosenheim Müller Earth-heat collector as heat source for heat pumps
CN104236129A (en) * 2013-06-21 2014-12-24 中盈长江国际新能源投资有限公司 Double layer cold-hot dual-purpose unsalted solar pond and quarter-crossing energy-storage heating and cooling system
CN205503363U (en) * 2016-04-06 2016-08-24 青岛科技大学 Geothermal energy and complemental multi -functional hot flow power system of solar energy
CN109059310A (en) * 2018-07-30 2018-12-21 浙江陆特能源科技股份有限公司 The system and method for reducing mid-deep strata heat exchange soil heat loss is fed using solar energy
CN209214130U (en) * 2018-12-07 2019-08-06 青海绿之保能源科技开发有限公司 A kind of zero carbon heating system of photo-thermal
CN111380231A (en) * 2020-04-17 2020-07-07 青海沃地现代生态农业科技开发有限公司 A solar thermal regulation system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3142347A1 (en) * 1981-10-26 1983-05-05 Walter 8200 Rosenheim Müller Earth-heat collector as heat source for heat pumps
CN104236129A (en) * 2013-06-21 2014-12-24 中盈长江国际新能源投资有限公司 Double layer cold-hot dual-purpose unsalted solar pond and quarter-crossing energy-storage heating and cooling system
CN205503363U (en) * 2016-04-06 2016-08-24 青岛科技大学 Geothermal energy and complemental multi -functional hot flow power system of solar energy
CN109059310A (en) * 2018-07-30 2018-12-21 浙江陆特能源科技股份有限公司 The system and method for reducing mid-deep strata heat exchange soil heat loss is fed using solar energy
CN209214130U (en) * 2018-12-07 2019-08-06 青海绿之保能源科技开发有限公司 A kind of zero carbon heating system of photo-thermal
CN111380231A (en) * 2020-04-17 2020-07-07 青海沃地现代生态农业科技开发有限公司 A solar thermal regulation system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
韩靖等: "太阳能-地下坑槽季节土壤蓄热热泵供热系统", 《煤气与热力》 *

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