CN106918159A - Straight-through vacuum tube ground cold air dispenser - Google Patents
Straight-through vacuum tube ground cold air dispenser Download PDFInfo
- Publication number
- CN106918159A CN106918159A CN201511004137.5A CN201511004137A CN106918159A CN 106918159 A CN106918159 A CN 106918159A CN 201511004137 A CN201511004137 A CN 201511004137A CN 106918159 A CN106918159 A CN 106918159A
- Authority
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- China
- Prior art keywords
- vacuum tube
- ground
- air
- heat pipe
- underground heat
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
- F24S10/45—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors the enclosure being cylindrical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
-
- 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
-
- 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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Central Air Conditioning (AREA)
Abstract
The present invention provides a kind of straight-through vacuum tube ground cold air dispenser, belongs to technical field of solar.Buried air hose is set and obtains cold air, and solar heat-collection and heating generation high-speed air flow are carried out by straight-through vacuum tube, introduce buried air pipe outlets section, solar heat-collection air outlet slit flows to form pressure difference, produces and extract kinetic energy, takes underground pipe cold air.Also can winter operation extraction underground hot-air.Dispenser entirety and straight-through vacuum tube can be all superimposed with modularization as basic module in vertical horizontal both direction, and power is used and expand to obtain foot.Underground pipe also can serial or parallel connection improving capacity.May be used to extract the underground heat such as Soil Thermal, earth's surface hydro-thermal, underground hydro-thermal.Air takes hot harmless soil with ground water environment.Complete naturally passive operation, energy free environmental cost.Processing and manufacturing is simple, and material can be cheap, and operation maintenance is easy.Industrial and civilian exploitation can be carried out in occasions such as heating, refrigeration, air-conditioning, ventilation, drying, technical process.
Description
Technical field
The present invention relates to a kind of ground cold air dispenser, thermogenetic buoyancy lift heat is added with straight-through vacuum tube solar heat-collection
Drive, produce swiftly flowing air stream, to flow up generation extraction effect in underground heat pipe laying, obtain in underground heat pipe laying
Ground cold air.This place cold air dispenser runs in the winter time, also hot-air removably in hot pipe laying.And can not only answer
For the extraction of Soil Thermal, surface water, the extraction of underground hydro-thermal are equally applicable for.The invention belongs to technical field of solar.
Background technology
The ground such as solar energy and Soil Thermal is all so the green natural energy, corresponding to consuming fossil energy or direct power consumption
Active mode produce identical heat, solar energy, effective utilization of underground heat can eliminate and reduce the energy and environmental cost.
Air and its cold is obtained in the industrial and civilian occasion such as heating, refrigeration, air-conditioning, ventilation, drying, technical process
Heat, big city completely or partially uses active mode, more or less there is environment and energy cost.It is comprehensive to utilize the sun comprehensively
The regenerative resources such as energy, underground heat, reach industry, civil systems with pure natural, full passive mode operation application technology, its exploitation
Using still inadequate.
The content of the invention
By above-mentioned difficulties and a kind of not enough, straight-through vacuum tube ground cold air dispenser of present invention offer, by being configured to
Bury air hose and obtain cold air, and air exhauster is done by straight-through vacuum tube, its solar heat-collection produces high velocity air, and introduces buried
Air pipe outlets section, that extracts underground pipe cold air takes cooler.This takes cooler and also removably descends hot-air in the winter time.Do not consume
Energy, pollution-free, frame mode are simple.Can single tube small displacement, also can multitube collection battle array combination, high-volume run.
The technical scheme is that：
Straight-through vacuum tube ground of the invention cold air dispenser, by underground heat pipe laying (1) and vacuum tube air exhauster (2) group
Into.
Straight-through vacuum tube ground of the invention cold air dispenser, its underground heat pipe laying (1), by ground (3)
Underground heat pipe laying ground air inlet pipeline section (11), underground heat pipe laying underground pipeline section (12) under ground (3), and positioned at ground
(3) underground heat pipe laying ground outlet pipeline section (13) on is constituted.Its ground outlet pipeline section (13), in its pipeline topmost, and
Its top exit distance below, and the centre position in its pipe, it is provided with the end of vacuum tube air exhauster (2)
Exhaust column (5).And its ground outlet pipeline section (13), vacuum tube outlet bobbin carriage connecting leg (23) its be located at underground heat pipe laying (1)
In the distance below of interior section, it is provided with ground cold air outflow and takes pipe (14).Pipe (14) is taken in ground cold air outflow
Connected with underground heat pipe laying ground outlet pipeline section (13).
Straight-through vacuum tube ground of the invention cold air dispenser, its vacuum tube air exhauster (2), by straight-through vacuum tube
(21), vacuum tube exports bobbin carriage (22), vacuum tube and exports bobbin carriage connecting leg (23), end exhaust column (5) composition.Vacuum tube outlet
Case connecting leg (23) passage inserts underground heat pipe laying (1), and continued access vacuum tube air exhauster end exhaust column (5).Vacuum tube air exhauster end
End exhaust column (5) be arranged on underground heat pipe laying (1) ground outlet section (13) pipeline upper end, the centre position in its pipe,
And positioned at the position of the pipeline exit distance below away from ground outlet section (13).
Straight-through vacuum tube of the invention ground cold air dispenser its underground heat pipe laying ground air inlet pipeline section (11), underground heat pipe laying
Underground pipeline section (12) and underground heat pipe laying ground outlet pipeline section (13) constitute the air duct of complete connection；Its underground heat pipe laying is on the ground
The air that pipe (14) constitutes complete connection is taken in air inlet pipeline section (11), underground heat pipe laying underground pipeline section (12) and ground cold air outflow
Passage；Its straight-through vacuum tube (21), vacuum tube export bobbin carriage (22), vacuum tube outlet bobbin carriage connecting leg (23) and vacuum tube and take out
Blower fan end exhaust column (5) constitutes the air duct of complete connection.
Straight-through vacuum tube ground of the invention cold air dispenser, in one inlet of cold air, cold air is buried by underground heat
The import of pipe ground air inlet pipeline section (11) flows downward into underground heat pipe laying ground air inlet pipeline section (11), by underground heat pipe laying on the ground
Air inlet pipeline section (11), into underground heat pipe laying underground pipeline section (12), is cooled down in it by underground, is then in the winter time heating,
Air continues to flow or stores, and enters to continue flowing and then enters underground heat pipe laying ground outlet pipeline section (13), and a part is through origin
From vacuum tube air exhauster end exhaust column (5) upward stream of hot air rush band suction, by underground heat pipe laying ground outlet pipeline section
(13) external environment is entered at the opening of the top, another part is then taken pipe (14) outflow and taken by ground cold air outflow.This
Outward, in another inlet of cold air, i.e., at straight-through vacuum tube (21) bottom inlet, cold air enters straight-through vacuum tube
(21) interior heat collector cavity, be heated up and upwards speed-raising flowing, again enter vacuum tube export bobbin carriage (22), after by vacuum tube
Outlet bobbin carriage connecting leg (23), enters back into vacuum tube air exhauster end exhaust column (5), by vacuum tube air exhauster end exhaust column (5)
Exit is flowed out, and its upward swiftly flowing hot-air, punching comes from suction and is located at end exhaust column (5) with lower portion, ground
A part of cold air in hot pipe laying ground outlet pipeline section (13) is upwards at row to external environment, extraction of its punching band generation upwards
Effect, extracts another part cold air, makes its outflow ground cold air outflow take pipe (14) and takes.
The present invention is driven with solar energy vacuum tube and extracts the cold and geothermal air in pipe laying ground, complete naturally passive operation, Non-energy-consumption
With environmental cost；Cheap material can be used, processing and manufacturing is simple；Operation maintenance handy and safe.
Drive part of the invention, i.e. vacuum tube air exhauster (2), its overall blower fan and straight-through vacuum tube all equally may be used
It is superimposed in vertical and horizontal both direction in modular fashion as basic module, to obtain fully enough power and expansions
It is high-power.Underground pipe also can serial or parallel connection to improve capacity, scale is applied in expansion.The present invention can run in Summer and winter,
Winter hot-air also removably in hot pipe laying.And can be applied not only to the extraction of Soil Thermal, be equally applicable for surface water,
The extraction of underground hydro-thermal.Air or cold and hot amount can need to be used in heating, refrigeration, air-conditioning, ventilation, drying, technical process etc.
Industrial and civilian occasion is developed.
Brief description of the drawings
Fig. 1 is straight-through vacuum tube ground cold air dispenser constructional appearance schematic diagram；
Fig. 2 is vacuum tube drawing fan structure schematic diagram
Fig. 3 straight-through vacuum tubes ground cold air dispenser inside configuration perspective diagram；
In figure：Fig. 1,1 underground heat pipe laying, 2 vacuum tube air exhausters, 3 ground, 11 underground heat pipe laying ground air inlet pipeline sections, 12
Underground heat pipe laying underground pipeline section, 13 underground heat pipe laying ground outlet pipeline sections, the end exhaust column of 5 vacuum tube air exhausters, the cold sky in 14 ground
Air-flow goes out to take pipe, 21 straight-through vacuum tubes, 22 vacuum tubes outlet bobbin carriage, 23 vacuum tubes outlet bobbin carriage connecting leg.Fig. 2,2 is true
Blank pipe air exhauster, 21 straight-through vacuum tubes, 22 vacuum tubes outlet bobbin carriage, 23 vacuum tubes outlet bobbin carriage connecting leg, 5 vacuum tubes are taken out
Blower fan end exhaust column.
Specific embodiment
The composition and structural relation of straight-through vacuum tube of the invention ground cold air dispenser be：
Straight-through vacuum tube ground of the invention cold air dispenser, by underground heat pipe laying (1) and vacuum tube air exhauster (2) group
Into.
Vacuum tube of the invention drives circular cone sleeve pipe to accelerate the setting of exhaust blower its underground heat pipe laying (1) to be：
Its underground heat pipe laying (1) of the invention, by underground heat pipe laying ground air inlet pipeline section (11) on ground (3), is located at
Underground heat pipe laying underground pipeline section (12) under ground (3), and the underground heat pipe laying ground outlet pipeline section on ground (3)
(13) constitute.Its ground outlet pipeline section (13), in its pipeline topmost, and in its top exit distance below,
The centre position in its pipe, is provided with the end exhaust column (5) of vacuum tube air exhauster (2) again.And its ground outlet pipeline section
(13), in vacuum tube outlet bobbin carriage connecting leg (23) its is located in the distance below of the interior section of underground heat pipe laying (1), if
It is equipped with ground cold air outflow and takes pipe (14).Ground cold air outflow takes pipe (14) with underground heat pipe laying ground outlet pipeline section (13) even
It is logical.
Vacuum tube of the invention drives circular cone sleeve pipe to accelerate the setting of exhaust blower its vacuum tube air exhauster (2) to be：
Its vacuum tube air exhauster (2) of the invention, bobbin carriage (22), vacuum tube are exported by straight-through vacuum tube (21), vacuum tube
Outlet bobbin carriage connecting leg (23), end exhaust column (5) are constituted.Vacuum tube outlet bobbin carriage connecting leg (23) passage inserts underground heat pipe laying (1),
And continued access vacuum tube air exhauster end exhaust column (5).Vacuum tube air exhauster end exhaust column (5) is arranged on underground heat pipe laying (1)
The pipeline upper end of ground outlet section (13), the centre position in its pipe, and go out positioned at the pipeline away from ground outlet section (13)
The position of distance below at mouthful.
Vacuum tube of the invention drives circular cone sleeve pipe to accelerate the setting of exhaust blower its vacuum tube air exhauster (2) to be：
Its underground heat pipe laying ground air inlet pipeline section (11) of the invention, underground heat pipe laying underground pipeline section (12) and underground heat pipe laying are on the ground
Outlet pipeline section (13) constitutes the air duct of complete connection；Its underground heat pipe laying ground air inlet pipeline section (11), underground heat pipe laying buried pipe
The air duct that pipe (14) constitutes complete connection is taken in section (12) and ground cold air outflow；It is its straight-through vacuum tube (21), true
Blank pipe exports bobbin carriage (22), vacuum tube and exports bobbin carriage connecting leg (23) and vacuum tube air exhauster end exhaust column (5) composition completely
The air duct of connection.
The basic functional principle of straight-through vacuum tube of the invention ground cold air dispenser is：
Underground heat is the cold and hot amount of the accumulations such as soil and earth's surface and surface water body, and this heat is not only a kind of natural resources,
And the scale of construction is big, peak-fresh cold and hot requirement is fitted, such as soil moisture Dong Rexia is cold in certain soil horizon.Using air as taking heat
Medium obtains underground heat, to soil and water body without destruction, uses underground heat pipe laying and is circulated in pipe with storage air to extract
Underground heat is used, and is a kind of harmless geothermal utilization technology.The present invention is added thermogenetic with straight-through vacuum tube solar heat-collection
Buoyancy lift thermal drivers, produce swiftly flowing air stream, to flow up generation extraction effect in underground heat pipe laying, obtain ground
Ground cold air in hot pipe laying.The ground cold air come by underground heat pipe laying vertical exit section bottom, because straight-through vacuum tube is perpendicular
The negative pressure topmost produced to outlet section is obtained and flows up kinetic energy, is extracted subsurface ground cold air and is utilized.This place cold air takes
Run in the winter time with device, also hot-air removably in hot pipe laying.And the extraction of Soil Thermal is can be applied not only to, can also be answered
For surface water, the extraction of underground hydro-thermal.
The course of work of straight-through vacuum tube of the invention ground cold air dispenser is：
The present invention enters ground in one inlet of cold air, cold air by the import of underground heat pipe laying ground air inlet pipeline section (11)
Hot pipe laying ground air inlet pipeline section (11) flows downward, by underground heat pipe laying ground air inlet pipeline section (11), into underground heat pipe laying underground
Pipeline section (12), is cooled down in it by underground, is then in the winter time heating, and air continues to flow or stores, and enters to continue
Flowing then enter underground heat pipe laying ground outlet pipeline section (13), a part via from vacuum tube air exhauster end exhaust column (5)
Upward stream of hot air rush band suction, external environment is entered by underground heat pipe laying ground outlet pipeline section (13) the top opening,
Another part is then taken pipe (14) outflow and is taken by ground cold air outflow.Additionally, in another inlet of cold air, i.e. through type
At vacuum tube (21) bottom inlet, cold air enters straight-through vacuum tube (21) interior heat collector cavity, is heated up and carries upwards
Speed flowing, again enter vacuum tube export bobbin carriage (22), after by vacuum tube export bobbin carriage connecting leg (23), enter back into vacuum tube exhausting
Machine end exhaust column (5), is flowed out by vacuum tube air exhauster end exhaust column (5) exit, its upward swiftly flowing hot-air,
Punching comes from suction and is located at end exhaust column (5) with lower portion, a part of cold in underground heat pipe laying ground outlet pipeline section (13)
Upwards at row to external environment, another part cold air is extracted in its extraction effect that punching band is produced upwards to air, makes its outflow ground
Cold air outflow is taken pipe (14) and is taken.
Drive part of the invention, i.e. vacuum tube air exhauster (2), dispenser entirety and straight-through vacuum tube all equally may be used
It is superimposed in vertical and horizontal both direction in modular fashion as basic module, to obtain fully enough power and expansions
It is high-power.Underground pipe also can serial or parallel connection to improve capacity, scale is applied in expansion.
The present invention can run in Summer and winter, in the winter time hot-air also removably in hot pipe laying.And can not only answer
For the extraction of Soil Thermal, surface water, the extraction of underground hydro-thermal are equally applicable for.
The present invention is driven with solar energy vacuum tube and extracts the cold and geothermal air in pipe laying ground, complete naturally passive operation, Non-energy-consumption
With environmental cost；Cheap material can be used, processing and manufacturing is simple；Operation maintenance handy and safe.
The present invention can need to use air or the work of cold and hot amount in heating, refrigeration, air-conditioning, ventilation, drying, technical process etc.
Industry and civilian occasion are developed.
Claims (4)
1. a kind of straight-through vacuum tube ground cold air dispenser, it is characterised in that：By underground heat pipe laying (1) and vacuum tube air exhauster
(2) constitute.
2. according to right 1 a kind of straight-through vacuum tube ground cold air dispenser, it is characterised in that：Described underground heat pipe laying
(1), by underground heat pipe laying ground air inlet pipeline section (11) on ground (3), the underground heat pipe laying underground under ground (3)
Pipeline section (12), and underground heat pipe laying ground outlet pipeline section (13) composition on ground (3).Its ground outlet pipeline section
(13), in its pipeline topmost, and in its top exit distance below, and the centre position in its pipe, if
It is equipped with the end exhaust column (5) of vacuum tube air exhauster (2).And its ground outlet pipeline section (13), export bobbin carriage connecting leg in vacuum tube
(23) its is located in the distance below of the interior section of underground heat pipe laying (1), is provided with ground cold air outflow and is taken pipe
(14).Ground cold air outflow is taken pipe (14) and is connected with underground heat pipe laying ground outlet pipeline section (13).
3. according to right 1 a kind of straight-through vacuum tube ground cold air dispenser, it is characterised in that：Described vacuum tube is taken out
Blower fan (2), exports bobbin carriage (22), vacuum tube and exports bobbin carriage connecting leg (23), end exhausting by straight-through vacuum tube (21), vacuum tube
Pipe (5) is constituted.Vacuum tube outlet bobbin carriage connecting leg (23) passage inserts underground heat pipe laying (1), and continued access vacuum tube air exhauster end is taken out
Airduct (5).Vacuum tube air exhauster end exhaust column (5) is arranged on the pipeline upper end of the ground outlet section (13) of underground heat pipe laying (1),
Centre position in its pipe, and positioned at the position of the pipeline exit distance below away from ground outlet section (13).
4. a kind of vertically-arranged straight-through vacuum tube according to right 1 drives solar energy blower fan, it is characterised in that：Described underground heat
Pipe laying ground air inlet pipeline section (11), underground heat pipe laying underground pipeline section (12) and underground heat pipe laying ground outlet pipeline section (13) constitute complete
The air duct of connection；Described underground heat pipe laying ground air inlet pipeline section (11), the cold sky in underground heat pipe laying underground pipeline section (12) and ground
Air-flow goes out to take the air duct that pipe (14) constitutes complete connection；Described straight-through vacuum tube (21), vacuum tube outlet bobbin carriage
(22), vacuum tube exports bobbin carriage connecting leg (23) and vacuum tube air exhauster end exhaust column (5) constitutes the complete air for connecting and leads to
Road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511004137.5A CN106918159B (en) | 2015-12-24 | 2015-12-24 | Straight-through vacuum tube ground cold air taking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511004137.5A CN106918159B (en) | 2015-12-24 | 2015-12-24 | Straight-through vacuum tube ground cold air taking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106918159A true CN106918159A (en) | 2017-07-04 |
| CN106918159B CN106918159B (en) | 2020-04-17 |
Family
ID=59455892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511004137.5A Active CN106918159B (en) | 2015-12-24 | 2015-12-24 | Straight-through vacuum tube ground cold air taking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106918159B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654639A (en) * | 2019-01-30 | 2019-04-19 | 李士明 | Non-electric contracting coil air water combined air conditioner |
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| CN104713248A (en) * | 2013-12-16 | 2015-06-17 | 南京化工职业技术学院 | Vertical straight-through type vacuum tube driven solar draught fan |
| CN206055988U (en) * | 2015-12-24 | 2017-03-29 | 南京科技职业学院 | The cold dispenser in straight-through vacuum tube ground |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101162103A (en) * | 2006-10-11 | 2008-04-16 | 韩统 | U-shaped tube geothermal heat exchanger |
| CN1948838A (en) * | 2006-11-10 | 2007-04-18 | 周彬 | Method of making indoor maintaining constant temperature by using earth |
| JP2010254419A (en) * | 2009-04-24 | 2010-11-11 | Sekisui Chem Co Ltd | Livestock excreta transport system |
| JP2014060996A (en) * | 2013-11-05 | 2014-04-10 | Screencell | Device and process for isolating and cultivating live cells on filter or extracting their genetic material |
| CN104713249A (en) * | 2013-12-16 | 2015-06-17 | 南京化工职业技术学院 | Transverse straight-through type vacuum pipe drive solar draught fan |
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| CN109654639A (en) * | 2019-01-30 | 2019-04-19 | 李士明 | Non-electric contracting coil air water combined air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106918159B (en) | 2020-04-17 |
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