CN102273389A - Method and system for collecting and increasing heat energy of greenhouse - Google Patents
Method and system for collecting and increasing heat energy of greenhouse Download PDFInfo
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- CN102273389A CN102273389A CN2010102046533A CN201010204653A CN102273389A CN 102273389 A CN102273389 A CN 102273389A CN 2010102046533 A CN2010102046533 A CN 2010102046533A CN 201010204653 A CN201010204653 A CN 201010204653A CN 102273389 A CN102273389 A CN 102273389A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
Abstract
The invention belongs to the technical field of agricultural engineering and discloses a method and system for collecting and increasing heat energy of a greenhouse. The heat collected by a heat energy collector arranged on a back wall in the daytime is transferred and stored into a heat energy storage device in greenhouse shallow layer soil so as to increase the soil temperature; and at night, the heat of the heat energy storage device in the shallow layer soil is adopted as an initial heat source and increased by a heat pump to reheat the greenhouse so that the temperature of the daylight greenhouse at night is increased. According to the method disclosed by the invention, the solar energy is adopted as the heat source so that no harmful gas is generated and no pollution is caused to the environment; a greenhouse shallow layer soil heat source is adopted for the heat collecting system so that the initial investment cost is reduced; and the heat in the greenhouse can be transferred into the shallow layer soil in the daytime so that the temperature of the shallow layer soil is increased and the operation efficiency of a heat pump unit is also enhanced.
Description
Technical field
The technical field that the present invention relates to is the agricultural engineering technology field, specifically, the present invention relates to a kind of greenhouse thin solum heat and gathers and the method and system that heats.
Background technology
Though greenhouse by solar heat can get up to put aside heat with solar energy collecting, and when indoor temperature reduces release heat, guarantee that indoor temperature can be not low excessively, but the temperature when meeting with extreme low temperature in the greenhouse is not enough to also guarantee that plant can normal growth, in order to guarantee that the greenhouse implants in the winter time can normal growth, must provide firing equipment.Mode of heating commonly used has that hot water heating, hot blast heat in the present stage greenhouse by solar heat, electrothermal heating, quirk heat.These traditional mode of heating energy consumptions are bigger, but also produce a large amount of pernicious gases, and environment is polluted.
Heat pump is considered to utilize the greenhouse because the regenerative effect of himself is considered to utilize one of the most effective facility of heat pump, and winter, the storage thermal technology by the greenhouse can increase the heat that water is accumulated, and provided heat energy for heating night.The tradition water resource heat pump generally is to utilize the underground water heating greenhouse.The groundwater heat pump system mainly is applicable to the area that groundwater resources are abundant, water level is more shallow and be convenient to exploit.The northern area of China underground water temperature scope is throughout the year between 7 ℃～21 ℃.Utilize winter underground water as thermal source, by heat pump the heat in the water is extracted out to indoor heating, the water after the cooling recharges underground again.Be higher than outside atmosphere temperature and can not look like air source heat pump generation frosting situation owing to the underground water temperature winter, so the groundwater heat pump system effectiveness also is higher than air source heat pump system.The extensive use under construction of groundwater heat pump system owing to be subjected to the restriction of initial investment cost, used in the greenhouse and is subjected to certain restriction in industrialized agriculture.Heat collection expense comprises water quality exploration expenditure and well-digging expense in the water source heat pump system, accounts for about 50% of whole system cost, and therefore, reducing heat collection expense is one of key factor that reduces the package unit cost of investment.
Summary of the invention
In order to overcome above-mentioned shortcoming of the prior art, one of purpose of the present invention provides the transfer of heat on the wall of a kind of general by day back and is stored in the greenhouse thin solum, to improve soil temperature; Night with the heat in the thin solum as initial heat source, heating greenhouse again after by heat pump heat being promoted is to improve the method for greenhouse by solar heat nocturnal temperature.Another purpose provides a kind of system that realizes this method.
In order to realize first purpose of the present invention, the technical scheme of employing is as follows:
A kind of greenhouse heat energy is gathered and the heat energy method for improving, and its step comprises:
1) at the underground thin solum of greenhouse by solar heat the thermal energy storage device is set, is used for heat energy storage, described thermal energy storage device comprises water-filled heat exchanger tube, and described heat exchanger tube two ends are connected on the outlet pipeline and inlet pipeline of water collecting and diversifying device;
2) behind greenhouse by solar heat within the walls the surface heat energy collecting device is set, be used for gathering and discharge heat energy, described heat energy collecting device comprises water-filled heat exchanger tube, described heat exchanger tube two ends are connected on the outlet pipeline and inlet pipeline of water collecting and diversifying device;
3) water collecting and diversifying device in thermal energy storage device and the heat energy collecting device is linked together, on the diversity hydrophone water circulating pump is set therein, open water circulating pump by day, heat energy collecting device is collected heat and is stored for the thermal energy storage device by the circulating transfer of water;
4) between heat energy collecting device and thermal energy storage device source pump is set, polyphone one water circulating pump between described source pump and the heat energy collecting device is opened at night and is delivered to heat energy collecting device after heat energy that water circulating pump stores the thermal energy storage device promotes and discharges.
Water collecting and diversifying device in the described thermal energy storage device is provided with valve respectively on its inlet and outlet pipe, be used to control opening and closing between heat energy collecting device and the thermal energy storage device.
Described source pump two ends are connected respectively on the outlet pipeline and inlet pipeline of two diversity hydrophones by water inlet and delivery port.
The pipeline that described source pump is connected with water collecting and diversifying device in the thermal energy storage device is provided with valve, the opening and closing of control thermal energy storage device.
In order to realize another object of the present invention, the technical scheme of employing is as follows:
A kind of greenhouse heat energy is gathered and the heat energy elevator system, comprise thermal energy storage device, heat energy collecting device and source pump, described thermal energy storage device is arranged in the underground thin solum of greenhouse by solar heat, comprise water-filled heat exchanger tube, described heat exchanger tube two ends are connected on the outlet pipeline and inlet pipeline of water collecting and diversifying device;
Described heat energy collecting device is arranged on behind the greenhouse by solar heat surface within the walls, comprises water-filled heat exchanger tube, and described heat exchanger tube two ends are connected on the outlet pipeline and inlet pipeline of water collecting and diversifying device;
Described thermal energy storage device and heat energy collecting device link together by water collecting and diversifying device separately, on the diversity hydrophone water circulating pump are set therein,
Described source pump is arranged between heat energy collecting device and the thermal energy storage device, and polyphone one water circulating pump between described source pump and the heat energy collecting device is set, and is delivered to heat energy collecting device after the heat energy lifting with the storage of thermal energy storage device and discharges.
Described thermal energy storage device is arranged in the scope from the greenhouse by solar heat body of wall to distance body of wall 7m, apart from the following 60cm in face of land place.
Heat exchanger tube in the described thermal energy storage device adopts specification to be
PE pipe, the heat exchanger tube in the described heat energy collecting device adopts specification to be
The black flexible pipe.
Water collecting and diversifying device in the described thermal energy storage device is provided with valve respectively on its inlet and outlet pipe.
Described source pump two ends are connected respectively on the outlet pipeline and inlet pipeline of two diversity hydrophones by water inlet and delivery port.
The pipeline that described source pump is connected with water collecting and diversifying device in the thermal energy storage device is provided with valve.
Compared with prior art, the advantage of invention is:
With solar energy as thermal source, do not produce pernicious gas, environment is not polluted;
2. what the heat acquisition system adopted is greenhouse thin solum thermal source, has reduced the initial investment cost;
3. can with the transfer of heat in the greenhouse in thin solum, improve the temperature of thin solum daytime, also just improve the operational efficiency of source pump.
Description of drawings
Accompanying drawing is the structural representation of heat collection of the present invention and heating system;
Wherein: the 1-heat energy collecting device; 2-heat energy collecting device heat exchanger tube; Water collecting and diversifying device in the 3-heat energy collecting device; 4-water collecting and diversifying device water pump; The 5-source pump; 6-source pump outlet pipeline valve; 7-source pump inlet pipeline valve; 8-water collecting and diversifying device flowing water Valve; 9-water collecting and diversifying device inlet valve; 10-source pump water pump; 11-thermal energy storage device heat exchanger tube; The 12-water collecting and diversifying device; 13-thermal energy storage device.
Embodiment
With long 75m, stride 8.5m below, the greenhouse by solar heat of the high 3.2m of ridge is that example is illustrated application model of the present invention.
As shown in drawings, the present invention structurally mainly comprises heat energy collecting device 1, thermal energy storage device 13 and source pump 5.
Thermal energy storage device 13 mainly is made up of underground even installation parallel heat exchanging pipe, and heat exchanger tube is connected on the water collecting and diversifying device, and the inside is full of water, is used to store the heat that the back wall is collected daytime by circulating in of water; Be used for extracting the heat of thin solum night, for source pump provides thermal source.Source pump 5 promotes by the heat that the thermal energy storage device is stored, and the heat after will promoting again is delivered in the heat energy collecting device 1 and discharges.Heat energy collecting device 1 mainly is made up of the surperficial within the walls heat exchanger tube that parallel connection evenly is installed behind the greenhouse, heat exchanger tube is the black plastic pipe, and heat exchanger tube is connected on the water collecting and diversifying device, is full of water in the heat exchanger tube, by the circulation of water, can serve as the heat that heat collector is collected the back wall by day; Serve as delivery system night, the heat that source pump is promoted is discharged in the greenhouse.In order better to realize the lifting of heat energy, in this concrete enforcement, heat collector 1 is arranged in behind the greenhouse surface within the walls, and the heat collector comprises heat exchanger tube 2, water collecting and diversifying device 3.The heat collector is made up of the heat exchanger tube 2 of 16 groups of parallel connections, and heat exchanger tube 2 is connected on the water collecting and diversifying device 3, and the length of every group of heat exchanger tube is 150m, is the ∪ type and arranges that the specification of heat exchanger tube is
The black plastic flexible pipe of material for using on irrigating can absorb more thermal energy.16 groups of heat exchanger tubes are 32 rows, and every row's spacing is that 5cm is evenly arranged in wall surface, back.Thermal energy storage device 13 is made up of 48 groups of heat exchanger tubes 11, and heat exchanger tube adopts specification to be
PE pipe, heat exchanger tube is installed in the place apart from the following 60cm in the face of land, the length of every group of heat exchanger tube is 28 meters, is the ∪ type and arranges, then the total heat exchanger tube 192 in ground is arranged every row's heat exchange pipe range 7m.In the scope of wall 7m, the spacing of every row's heat exchanger tube was 35cm after heat exchanger tube was evenly arranged in from the back wall to distance.48 groups of heat exchanger tubes are connected on the water collecting and diversifying device 12.The source pump 5 that is used for the heat energy lifting has two groups of intake-outlets, be connected respectively on the inlet and outlet pipe of two diversity hydrophones, daytimes two, the diversity hydrophone connected by water pump 10, water pump 4 closes, source pump 5 is closed, water collecting and diversifying device flowing water Valve 8, water collecting and diversifying device inlet valve 9 are opened, source pump outlet pipeline valve 6, source pump inlet pipeline valve 7 are closed, realize on the wall of back in the heat energy collecting device and thin solum the series circulation of water in the thermal energy storage device, the heat of back wall heat energy collecting device 1 collection can be accumulated in the soil; Night, water pump 4 was opened, source pump 5 is opened, source pump outlet pipeline valve 6, source pump inlet pipeline valve 7 are opened, water collecting and diversifying device flowing water Valve 8, water collecting and diversifying device inlet valve 9 are closed, on the back wall in heat energy collecting device and the thin solum in the thermal energy storage device series circulation of water be closed, the peripheral passage of the water between heat energy collecting device 1 and source pump 5 and the thermal energy storage device 13 is opened, and is discharged into after the heat that thermal energy storage device in the soil is stored by source pump 5 promotes behind the greenhouse to discharge in the heat energy collecting device 1 on the wall again.In system of the present invention fully with solar energy as thermal source, do not produce pernicious gas, environment is not polluted; The thermal source of source pump is the thermal source that the thermal energy storage device stores in the greenhouse thin solum, does not relate to the problem of well-digging, has reduced the initial investment cost.
The explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, part in specific embodiments and applications all can change.In sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a greenhouse heat energy is gathered and the heat energy method for improving, and its step comprises:
1) at the underground thin solum of greenhouse by solar heat the thermal energy storage device is set, is used for heat energy storage, described thermal energy storage device comprises water-filled heat exchanger tube, and described heat exchanger tube two ends are connected on the outlet pipeline and inlet pipeline of water collecting and diversifying device;
2) behind greenhouse by solar heat within the walls the surface heat energy collecting device is set, be used for gathering and discharge heat energy, described heat energy collecting device comprises water-filled heat exchanger tube, described heat exchanger tube two ends are connected on the outlet pipeline and inlet pipeline of water collecting and diversifying device;
3) water collecting and diversifying device in thermal energy storage device and the heat energy collecting device is linked together, on the diversity hydrophone water circulating pump is set therein, open water circulating pump by day, heat energy collecting device is collected heat and is stored for the thermal energy storage device by the circulating transfer of water;
4) between heat energy collecting device and thermal energy storage device source pump is set, polyphone one water circulating pump between described source pump and the heat energy collecting device is opened at night and is delivered to heat energy collecting device after heat energy that water circulating pump stores the thermal energy storage device promotes and discharges.
2. the method for claim 1 is characterized in that, the water collecting and diversifying device in the described thermal energy storage device is provided with valve respectively on its inlet and outlet pipe, is used to control opening and closing between heat energy collecting device and the thermal energy storage device.
3. the method for claim 1 is characterized in that, described source pump two ends are connected respectively on the outlet pipeline and inlet pipeline of two diversity hydrophones by water inlet and delivery port.
4. the method for claim 1 is characterized in that, the pipeline that described source pump is connected with water collecting and diversifying device in the thermal energy storage device is provided with valve, the opening and closing of control thermal energy storage device.
5. a greenhouse heat energy is gathered and the heat energy elevator system, it is characterized in that, comprise thermal energy storage device, heat energy collecting device and source pump, described thermal energy storage device is arranged in the underground thin solum of greenhouse by solar heat, comprise water-filled heat exchanger tube, described heat exchanger tube two ends are connected on the outlet pipeline and inlet pipeline of water collecting and diversifying device;
Described heat energy collecting device is arranged on behind the greenhouse by solar heat surface within the walls, comprises water-filled heat exchanger tube, and described heat exchanger tube two ends are connected on the outlet pipeline and inlet pipeline of water collecting and diversifying device;
Described thermal energy storage device and heat energy collecting device link together by water collecting and diversifying device separately, on the diversity hydrophone water circulating pump are set therein,
Described source pump is arranged between heat energy collecting device and the thermal energy storage device, and polyphone one water circulating pump between described source pump and the heat energy collecting device is set, and is delivered to heat energy collecting device after the heat energy lifting with the storage of thermal energy storage device and discharges.
6. system as claimed in claim 5 is characterized in that, described thermal energy storage device is arranged in the scope from the greenhouse by solar heat body of wall to distance body of wall 7m, apart from the following 60cm in face of land place.
7. system as claimed in claim 5 is characterized in that, the heat exchanger tube in the described thermal energy storage device adopts specification to be
PE pipe, the heat exchanger tube in the described heat energy collecting device adopts specification to be
The black flexible pipe.
8. system as claimed in claim 5 is characterized in that, the water collecting and diversifying device in the described thermal energy storage device is provided with valve respectively on its inlet and outlet pipe.
9. system as claimed in claim 5 is characterized in that, described source pump two ends are connected respectively on the outlet pipeline and inlet pipeline of two diversity hydrophones by water inlet and delivery port.
10. system as claimed in claim 5 is characterized in that, the pipeline that described source pump is connected with water collecting and diversifying device in the thermal energy storage device is provided with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010102046533A CN102273389A (en) | 2010-06-11 | 2010-06-11 | Method and system for collecting and increasing heat energy of greenhouse |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102046533A CN102273389A (en) | 2010-06-11 | 2010-06-11 | Method and system for collecting and increasing heat energy of greenhouse |
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| CN102273389A true CN102273389A (en) | 2011-12-14 |
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| CN2010102046533A Pending CN102273389A (en) | 2010-06-11 | 2010-06-11 | Method and system for collecting and increasing heat energy of greenhouse |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102715044A (en) * | 2012-07-03 | 2012-10-10 | 李泮禄 | Greenhouse energy-saving auxiliary temperature control system |
| CN102835278A (en) * | 2012-09-18 | 2012-12-26 | 浙江大学 | Multi-source combined cold and heat supply simulated experiment greenhouse |
| CN103283536A (en) * | 2012-03-02 | 2013-09-11 | 边仁杰 | Hot water drip irrigation pipe |
| CN103385137A (en) * | 2013-08-06 | 2013-11-13 | 王立宁 | Temperature adjusting system used for nursery ponds, greenhouses and rice fields |
| CN106613531A (en) * | 2016-08-29 | 2017-05-10 | 华北电力大学 | Photovoltaic photo-thermal integrated circulation system for greenhouse |
| CN110547130A (en) * | 2019-08-28 | 2019-12-10 | 北京农业智能装备技术研究中心 | Heat storage and temperature compensation system and method for greenhouse |
| WO2021147399A1 (en) * | 2020-01-23 | 2021-07-29 | 上海孙桥溢佳农业技术股份有限公司 | Solar greenhouse heat storage and release system and heat storage and release method |
| CN111713315B (en) * | 2020-06-02 | 2024-04-26 | 内蒙古工业大学 | Facility agriculture soil heat exchange device for realizing heat storage, heat supply and deinsectization |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103283536A (en) * | 2012-03-02 | 2013-09-11 | 边仁杰 | Hot water drip irrigation pipe |
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| CN102835278B (en) * | 2012-09-18 | 2013-09-11 | 浙江大学 | Multi-source combined cold and heat supply simulated experiment greenhouse |
| CN103385137A (en) * | 2013-08-06 | 2013-11-13 | 王立宁 | Temperature adjusting system used for nursery ponds, greenhouses and rice fields |
| CN106613531A (en) * | 2016-08-29 | 2017-05-10 | 华北电力大学 | Photovoltaic photo-thermal integrated circulation system for greenhouse |
| CN110547130A (en) * | 2019-08-28 | 2019-12-10 | 北京农业智能装备技术研究中心 | Heat storage and temperature compensation system and method for greenhouse |
| WO2021147399A1 (en) * | 2020-01-23 | 2021-07-29 | 上海孙桥溢佳农业技术股份有限公司 | Solar greenhouse heat storage and release system and heat storage and release method |
| CN111713315B (en) * | 2020-06-02 | 2024-04-26 | 内蒙古工业大学 | Facility agriculture soil heat exchange device for realizing heat storage, heat supply and deinsectization |
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Application publication date: 20111214 |