CN103636436A - Solar underground heat accumulation sunlight greenhouse heating system - Google Patents

Solar underground heat accumulation sunlight greenhouse heating system Download PDF

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Publication number
CN103636436A
CN103636436A CN201310616255.6A CN201310616255A CN103636436A CN 103636436 A CN103636436 A CN 103636436A CN 201310616255 A CN201310616255 A CN 201310616255A CN 103636436 A CN103636436 A CN 103636436A
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CN
China
Prior art keywords
heat
solar
underground
circulating pump
greenhouse
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Pending
Application number
CN201310616255.6A
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Chinese (zh)
Inventor
康树人
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HARBIN YANGGUANG ENERGY ENGINEERING Co Ltd
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HARBIN YANGGUANG ENERGY ENGINEERING Co Ltd
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Priority to CN201310616255.6A priority Critical patent/CN103636436A/en
Publication of CN103636436A publication Critical patent/CN103636436A/en
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    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor

Abstract

The invention belongs to the solar utilization technology and discloses a solar underground heat accumulation sunlight greenhouse heating system. According to the solar underground heat accumulation sunlight greenhouse heating system, underground soil heat accumulation heat exchange pipes are embedded in the soil under a frozen earth layer outside a sunlight greenhouse; the underground soil heat accumulation heat exchange pipes are communicated with a solar thermal collector through thermal medium output pipes and cold medium return pipes; a heat accumulation water tank and a plate type heat exchanger A are arranged inside the sunlight greenhouse; surface soil heat dissipation pipes are embedded under the surface soil inside the sunlight greenhouse; a heat accumulation water pump and the plate-type heat exchanger A and a surface soil heat exchanger, the plate-type heat exchanger A and the heat medium output pipes are communicated through the pipes. The solar underground heat accumulation sunlight greenhouse heating system has the advantages of being simple in structure, low in construction cost, convenient to construct, stable and reliable in operation, good in heating effect, free of environmental pollution and particularly suitable for popularization and application in cold regions in north China.

Description

Solar energy underground heat storage greenhouse by solar heat heating system
Technical field
The invention belongs to solar utilization technique, relates generally to a kind of solar energy underground heat storage greenhouse by solar heat heat supply heating system.
Background technology
The warming of agricultural greenhouse by solar heat is requisite production facility in the hothouse production of north cold area.Have the normally whole year production of greenhouse of heating system, output is high, good in economic efficiency; Without the greenhouse of heating system, can only seasonally produce, yield poorly, deficiency in economic performance.So greenhouse heating directly affects and determines the development of agriculture in greenhouse.In recent years, take protection that greenhouse by solar heat is representative cultivates the period of history that has entered develop rapidly.But, up to now, the heating system of cold ground greenhouse by solar heat does not still have great change, is continuing traditional coal burning boiler heating system, this heating system, although heating compared with faggot ground flue, to have heated heating progress a lot of for heating or coal stove flue, but still do not have to depart from and take the charcoal base energy heating system that coal is raw material, coal consumption is large, and production cost is high, labour intensity is large, and contaminated environment is serious.Therefore, a kind of not only energy-saving and environmental protecting but also economical and practical heating system are badly in need of in the cultivation of greenhouse by solar heat protection ground.Applicant once designed a kind of " heliogreenhouse and solar energy mating type heating plant ", although reached the designing requirement of energy-saving and environmental protecting, user is also more satisfied, but its shortcoming is also very outstanding, the one, boring water-retention well, to get the series engineering expense of underground heat high, and the 2nd, subsurface geology situation is complicated, and constructional difficulties, difficulty are large, the 3rd, greenhouse by solar heat heating contribution rate is low, and operating cost is higher.
Summary of the invention
The object of the invention is exactly the problem existing for above-mentioned prior art, design provides a kind of solar energy underground heat storage greenhouse by solar heat heating system of new construction, reaches and reduces construction cost, reduction difficulty of construction, the object of the thermal efficiency, energy-saving and environmental protecting that improves.
The object of the invention is achieved in that solar energy underground heat storage greenhouse by solar heat heating system comprises the solar thermal collector with air bleeding valve being configured in greenhouse by solar heat top outer, in greenhouse by solar heat, configure plate type heat exchanger B, heat pump main frame and fan coil radiator, described plate type heat exchanger B is circulated and is communicated with by pipeline with heat pump main frame, equipped circulating pump H on its pipeline, the heating conveying tube that circulating pump E is installed is communicated with heat pump main frame with fan coil radiator, in the following soil of frozen soil layer of the ground level downside outside greenhouse by solar heat, bury underground regenerative heat exchange pipe underground, the medium inlet of described underground regenerative heat exchange pipe is connected with solar thermal collector media outlet by thermal medium efferent duct, the media outlet of underground regenerative heat exchange pipe is connected with solar thermal collector medium inlet by cold medium back flow pipe, in greenhouse by solar heat, configure hot water storage tank and plate type heat exchanger A, in greenhouse by solar heat, ground level downside topsoil soils bottom is buried topsoil soils radiating tube underground, pipeline with circulating pump D is communicated with hot water storage tank with the circulation of topsoil soils radiating tube, the pipeline of equipped circulating pump A is communicated with hot water storage tank with plate type heat exchanger A circulation, on thermal medium efferent duct and cold medium back flow pipe, circulating pump C and circulating pump F are installed respectively, pipeline with circulating pump B is communicated with thermal medium efferent duct with plate type heat exchanger A circulation, pipeline with circulating pump G is communicated with cold medium back flow pipe with plate type heat exchanger B circulation.
The heat energy that the invention absorbs solar thermal collector stores in underground, and merge with underground low temperature heat energy, improved underground temperature, eliminated the local cold-zone of soil, can improve the integrated heat efficiency of heat pump, avoid the high cost of drilling well heat-obtaining, saved the heating cost in greenhouse, expanded the range of application of this project.The invention practice traditional approach such as having replaced greenhouse coal burning heating, electrically heating, there is simple in structure, stable and reliable operation, with low cost, heating effect good, the feature of non-environmental-pollution, can meet and adapt to various production-scale greenhouse by solar heat heat supply heatings, especially be applicable to the application of northern China cold area popularizing.
Accompanying drawing explanation
Accompanying drawing is solar energy underground heat storage greenhouse by solar heat heating system general structure schematic diagram.
Piece number explanation in figure:
1, solar thermal collector, 2, air bleeding valve, 3, thermal medium efferent duct, 4, fan coil radiator, 5, heating conveying tube, 6, hot water storage tank, 7, circulating pump A, 8, circulating pump B, 9, plate type heat exchanger A, 10, circulating pump C, 11, ground level, 12, topsoil soils radiating tube, 13, circulating pump D, 14, circulating pump E, 15, underground regenerative heat exchange pipe, 16, circulating pump F, 17, circulating pump G, 18, plate type heat exchanger B, 19, circulating pump H, 20, heat pump main frame, 21, cold medium back flow pipe.
Embodiment
Below in conjunction with accompanying drawing, the invention embodiment is described in detail.A kind of solar energy underground heat storage greenhouse by solar heat heating system comprises the solar thermal collector 1 with air bleeding valve 2 being configured in greenhouse by solar heat top outer, in greenhouse by solar heat, configure plate type heat exchanger B18, heat pump main frame 20 and fan coil radiator 4, described plate type heat exchanger B18 is circulated and is communicated with by pipeline with heat pump main frame 20, equipped circulating pump H19 on its pipeline, the heating conveying tube 5 that circulating pump E14 is installed is communicated with heat pump main frame 20 with fan coil radiator 4, in the following soil of frozen soil layer of ground level 11 downsides outside greenhouse by solar heat, bury underground regenerative heat exchange pipe 15 underground, the medium inlet of described underground regenerative heat exchange pipe 15 is connected with solar thermal collector 1 media outlet by thermal medium efferent duct 3, the media outlet of underground regenerative heat exchange pipe 15 is connected with solar thermal collector 1 medium inlet by cold medium back flow pipe 21, in greenhouse by solar heat, configure hot water storage tank 6 and plate type heat exchanger A9, in greenhouse by solar heat, ground level 11 downside topsoil soils bottoms are buried topsoil soils radiating tube 12 underground, pipeline with circulating pump D13 is communicated with hot water storage tank 6 with 12 circulations of topsoil soils radiating tube, the pipeline of equipped circulating pump A7 is communicated with hot water storage tank 6 with plate type heat exchanger A9 circulation, on thermal medium efferent duct 3 and cold medium back flow pipe 21, circulating pump C10 and circulating pump F16 are installed respectively, pipeline with circulating pump B8 is communicated with thermal medium efferent duct 3 with plate type heat exchanger A9 circulation, pipeline with circulating pump G17 is communicated with cold medium back flow pipe 21 with plate type heat exchanger B18 circulation.
During the work of greenhouse by solar heat heating system: (1) heat pump main frame 20 and circulating pump G, H17,19 start, extract the thermal medium in underground regenerative heat exchange pipe 15,, through plate type heat exchanger B18 heat exchange, then heat up and produce the energy of greenhouse heating by the 20 works done compressions of heat pump main frame with heat pump main frame 20; (2) start circulating pump E14, via heating conveying tube 5, to fan coil radiator 4, carry heat energy heating, improve greenhouse temperature; (3) start circulating pump D13, the warm water of hot water storage tank 6 interior deposits is forced to carry heat radiation to topsoil soils radiating tube 12, improve topsoil ground temperature, promote to grow as system; (4) medium temperature of solar thermal collector 1 is controlled at 20 ℃ of left and right, while reaching set temperature value, automatically start circulating pump C, F10,16, the thermal medium in solar thermal collector 1 is input to the 15 interior accumulation of heats of underground regenerative heat exchange pipe, improve deep soil temperature, deposit heat energy; Cryogenic media in underground regenerative heat exchange pipe 15 is back in solar thermal collector 1 via cold medium back flow pipe 21 again, again accepts sunshine heating, reciprocation cycle.

Claims (1)

1. a solar energy underground heat storage greenhouse by solar heat heating system, comprise the solar thermal collector with air bleeding valve (2) (1) being configured in greenhouse by solar heat top outer, in greenhouse by solar heat, configure plate type heat exchanger B (18), heat pump main frame (20) and fan coil radiator (4), described plate type heat exchanger B (18) is circulated and is communicated with by pipeline with heat pump main frame (20), equipped circulating pump H (19) on its pipeline, the heating conveying tube (5) that circulating pump E (14) is installed is communicated with heat pump main frame (20) with fan coil radiator (4), it is characterized in that burying underground regenerative heat exchange pipe (15) underground in the following soil of frozen soil layer of ground level (11) downside in greenhouse by solar heat outside, the medium inlet of described underground regenerative heat exchange pipe (15) is connected with solar thermal collector (1) media outlet by thermal medium efferent duct (3), the media outlet of underground regenerative heat exchange pipe (15) is connected with solar thermal collector (1) medium inlet by cold medium back flow pipe (21), in greenhouse by solar heat, configure hot water storage tank (6) and plate type heat exchanger A (9), ground level in greenhouse by solar heat (11) downside topsoil soils bottom is buried topsoil soils radiating tube (12) underground, pipeline with circulating pump D (13) is communicated with hot water storage tank (6) with topsoil soils radiating tube (12) circulation, the pipeline of equipped circulating pump A (7) is communicated with hot water storage tank (6) with plate type heat exchanger A (9) circulation, circulating pump C (10) and circulating pump F (16) are installed respectively on thermal medium efferent duct (3) and cold medium back flow pipe (21), pipeline with circulating pump B (8) is communicated with thermal medium efferent duct (3) with plate type heat exchanger A (9) circulation, pipeline with circulating pump G (17) is communicated with cold medium back flow pipe (21) with plate type heat exchanger B (18) circulation.
CN201310616255.6A 2013-11-28 2013-11-28 Solar underground heat accumulation sunlight greenhouse heating system Pending CN103636436A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310616255.6A CN103636436A (en) 2013-11-28 2013-11-28 Solar underground heat accumulation sunlight greenhouse heating system

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104719043A (en) * 2015-04-20 2015-06-24 中国农业大学 Phase-change heat-storage greenhouse seedling device
CN105165490A (en) * 2015-07-10 2015-12-23 重庆天开园林股份有限公司 Heating device and method
AT519027A1 (en) * 2016-08-19 2018-03-15 Martin Torner Device for growing plants

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3039289A1 (en) * 1980-10-17 1982-05-06 Alexander 2067 Reinfeld Kückens Cooling system for dwelling house - circulates fluid through heat exchanger and through underground tank
CN2602316Y (en) * 2003-01-09 2004-02-04 何满潮 Solar energy and geothermal energy complementary type accumulation of energy apparatus
CN101046310A (en) * 2007-05-08 2007-10-03 康树人 Combined geoheat and solar energy heater for heliogreenhouse
CN101411293A (en) * 2008-11-18 2009-04-22 江苏大学 Active mode heat collection and thermal storage system for solar energy greenhouse
EP2342968A1 (en) * 2010-01-07 2011-07-13 Agrimec S.n.c. Di Spelgatti & C. Solar greenhouse with energy recovery system
CN102374571A (en) * 2010-08-20 2012-03-14 张鸣 Solar energy cross-season heat storage and heat supply device combined with heat pump
CN102550340A (en) * 2012-01-06 2012-07-11 上海交通大学 Solar regenerative heating device for greenhouse heating
CN202503966U (en) * 2012-02-28 2012-10-31 徐坚 Agricultural greenhouse system based on solar energy and shallow geothermal energy
CN102986479A (en) * 2011-09-13 2013-03-27 北大工学院绍兴技术研究院 System for comprehensively utilizing energy sources in greenhouse
CN103190313A (en) * 2013-04-19 2013-07-10 哈尔滨工业大学 Air energy soil-thermal storage heating and cooling device for fruit and vegetable plastic sheds or greenhouses in cold areas
CN203554974U (en) * 2013-11-28 2014-04-23 哈尔滨阳光能源工程有限公司 Solar underground heat-storage sunlight greenhouse heating system

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3039289A1 (en) * 1980-10-17 1982-05-06 Alexander 2067 Reinfeld Kückens Cooling system for dwelling house - circulates fluid through heat exchanger and through underground tank
CN2602316Y (en) * 2003-01-09 2004-02-04 何满潮 Solar energy and geothermal energy complementary type accumulation of energy apparatus
CN101046310A (en) * 2007-05-08 2007-10-03 康树人 Combined geoheat and solar energy heater for heliogreenhouse
CN101411293A (en) * 2008-11-18 2009-04-22 江苏大学 Active mode heat collection and thermal storage system for solar energy greenhouse
EP2342968A1 (en) * 2010-01-07 2011-07-13 Agrimec S.n.c. Di Spelgatti & C. Solar greenhouse with energy recovery system
CN102374571A (en) * 2010-08-20 2012-03-14 张鸣 Solar energy cross-season heat storage and heat supply device combined with heat pump
CN102986479A (en) * 2011-09-13 2013-03-27 北大工学院绍兴技术研究院 System for comprehensively utilizing energy sources in greenhouse
CN102550340A (en) * 2012-01-06 2012-07-11 上海交通大学 Solar regenerative heating device for greenhouse heating
CN202503966U (en) * 2012-02-28 2012-10-31 徐坚 Agricultural greenhouse system based on solar energy and shallow geothermal energy
CN103190313A (en) * 2013-04-19 2013-07-10 哈尔滨工业大学 Air energy soil-thermal storage heating and cooling device for fruit and vegetable plastic sheds or greenhouses in cold areas
CN203554974U (en) * 2013-11-28 2014-04-23 哈尔滨阳光能源工程有限公司 Solar underground heat-storage sunlight greenhouse heating system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104719043A (en) * 2015-04-20 2015-06-24 中国农业大学 Phase-change heat-storage greenhouse seedling device
CN104719043B (en) * 2015-04-20 2016-09-28 中国农业大学 A kind of phase-transition heat-storage is nursed young plants in hothouses device
CN105165490A (en) * 2015-07-10 2015-12-23 重庆天开园林股份有限公司 Heating device and method
AT519027A1 (en) * 2016-08-19 2018-03-15 Martin Torner Device for growing plants
AT519027B1 (en) * 2016-08-19 2019-01-15 Martin Torner Device for growing plants

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Application publication date: 20140319