CN102986479A - System for comprehensively utilizing energy sources in greenhouse - Google Patents
System for comprehensively utilizing energy sources in greenhouse Download PDFInfo
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- CN102986479A CN102986479A CN2011102684168A CN201110268416A CN102986479A CN 102986479 A CN102986479 A CN 102986479A CN 2011102684168 A CN2011102684168 A CN 2011102684168A CN 201110268416 A CN201110268416 A CN 201110268416A CN 102986479 A CN102986479 A CN 102986479A
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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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Abstract
The invention relates to a greenhouse energy source comprehensively utilizing system, in particular to a system for comprehensively utilizing energy sources in a greenhouse and belongs to the technical field of the greenhouse. The system is suitable for being used under the conditions of temperature difference between day and night, low temperature in winter and continuous overcast and rainy seasons and mainly improves various energy source utilizing efficiency of the greenhouse through various energy source utilizing technologies. The system for comprehensively utilizing energy sources in the greenhouse comprises a solar heat collecting system, an underground heat storage system, an efficient heat exchange system, a control system, an underground cooling system, a fluid infusion water tank, a circulating pump, a fan and a heat storage tank body. The system remarkably improves the greenhouse energy source utilizing rate by combining a solar energy utilizing technology, a heat exchange technology and a heat storage technology in greenhouse warming, has great technological and economic advantages, can maintain appropriate soil temperature required by plant root systems and ensure the requirement of greenhouse plants to the house temperature, can enable crops to rapidly grow and being high in yield, high in quality and benefit, improves the solar energy utilizing rate of an existing greenhouse, reduces existing energy consumption and production cost, prolongs a production period, and has high economic and social benefits.
Description
Technical field
The present invention relates to a kind of green house energy comprehensive utilization system.
Background technology
As everyone knows, the warm situation of room temperature and soil not only has a great impact growth, growth, the breeding of plant, and also all influential to conditions such as the water in the soil, gas, nutrients.Therefore, temperature condition is the primary condition that should note in the green house production.
The greenhouse is the mankind are engaged in plant cultivation at building place internal control system and simulating nature weather a kind of herding horticultural facility, mainly is to provide suitable weather conditions for plant growth, growth, breeding.At present, China promotes more than greenhouse by solar heat 40 * 104 ha (hectare), and is very fast in some In The Suburbs of Large And Medium Cities greenhouse culture Area Growth, surpassed more than 10% of local field of vegetables, begun to take shape the hothouse production system that meets national conditions.
At the wide geographic area of northern China because late autumn, winter and early spring very cold and day and night temperature larger, low temperature limitation the growth of vegetables Lays, yield of vegetables is declined to a great extent.How to obtain higher soil temperature in colder season, be the key problem of green house plantation all the time.In order to satisfy the requirement of plant growth, most of greenhouses are except also will manually heating by the solar radiation daytime.Present stage, the heating mode that China greenhouse is commonly used has flue to heat, hot-blast stove is heated, steam is heated, electric heater is heated etc.These traditional mode of heatings exist two large problems: the one, and these heating modes get to the bottom of it on earth that the employed energy all is to come from fossil fuel coal, and coal is non-renewable, and coal burning can produce a large amount of CO
2, CO, SO
2, the pernicious gas such as NO, contaminated environment; The 2nd, more to the temperature raising in greenhouse with traditional ground mode of heating, but less to the raising of ground temperature, be unfavorable for plant growth; The 3rd, in present green house using energy source, exist efficiency of energy utilization low, the problem that energy waste is serious.In day alternates with night situation, can there be the excessive situation of humidity, be 50-60% such as the humidity range that it is suitable that solanaceous vegetables grows, the melon suitable humidity ranges that grow such as watermelon, custard squash, muskmelon are 40-50%, humidity is crossed the discomfort growth that conference causes vegetables, and brings out damage by disease and insect etc.On the basis of the natural thermal source of comprehensive utilization, can also absorb heat energy the air in booth, control simultaneously the humidity in the booth, become problem demanding prompt solution.
Summary of the invention
The purpose of this invention is to provide a kind of green house energy comprehensive utilization system.
The problem to be solved in the present invention is that the fossil resource utilization rate is high in the existing green house, produces environmental pollution, and has the problem inhomogeneous and that energy utilization rate is not high of heating in the greenhouse.
For realizing the invention provides a kind of green house energy comprehensive utilization system, comprise the soil heat exchange device, it is characterized in that, described soil heat exchange device connects into the first closed circuit by the first water pump and regenerative apparatus, the heat energy of this regenerative apparatus discharges to the soil heat exchange device by this first loop;
Described regenerative apparatus connects into second servo loop by the second water pump and/or the first water pump and solar energy heat collector, and the heat energy that this solar energy heat collector compiles is stored in regenerative apparatus by second servo loop.
The heat exchange pipeline 3 of described regenerative apparatus 2 by the first water pump or/and the second water pump and air heat exchanger 8 connect into tertiary circuit.
Described regenerative apparatus 2 by the first water pump or/and the second water pump and air heat exchanger 8 connect into the 4th loop.
Described regenerative apparatus 2 connects into the 5th loop by the first water pump and soil heat exchange device 5.
Described air heat exchanger 8 connects into the 6th loop by the second water pump and soil heat exchange device 5.
Described tip solar energy utilization technique refers to efficiently utilize the heat collection technology of solar energy, has high thermal effect, the technical characterstics such as high water temperature.
Described solar thermal collection system mainly carries out collection and the conveying of energy, its with hold over system between have respective line to be connected.
Described novel heat storage technology refers to the new technique that water accumulation of heat and soil thermal storage combine.
Described high efficient heat exchanging system comprises water tank heat exchange coil system and soil heat exchange coil system, and it is connected with water hold over system and soil thermal storage system.
Described underground heat storage system comprises water hold over system and soil thermal storage system.
Described control system is full-automatic control system, can be according to the operation of all kinds of monitor signal feedback automatic adjustment system.
Described underground radiation system material is heatproof high heat transfer material, and it is connected with the high efficient heat exchanging system.
Described control system is accompanied with the antifreeze control of pipeline, when severe cold season will start antifreeze heating tape night automatically.
Advantage of the present invention is: the green house energy comprehensive utilization system is by on tip solar energy utilization technique basis, in conjunction with the greenhouse technology of novel heat storage technology, efficient working medium heat transfer technology, has and significantly heats effect.Utilizing characteristics and utilizing the large characteristics of soil heat capacity of the comprehensive various energy realizes that the maximization of greenhouse energy stores, the optimum use of heat energy and the lasting steady heat supply in greenhouse at night.Not only heat can be retained to night, even can keep many days, thereby reach energy savings, the purpose of high crop yield.Utilize simultaneously blower fan directly the hot-air in the daytime greenhouse to be imported the underground storage of carrying out energy, not only can solve the problem that existing green house exists, the indoor air temperature that improved temperature, the more important thing is and improved simultaneously the ground temperature in the greenhouse, guaranteed the necessary heat of plant growth, promote the metabolism of crop, make plant growth be in optimum state, overcome the existing problem of mode of heating that goes up traditionally.Combined solar thermal utilizes technology, hot swapping and heat storage technology significantly to improve the greenhouse energy utilization rate in greenhouse temperature increasing, have very large technology and economic advantages, system not only can keep the required suitable soil temperature of Plants root system, can also guarantee that hothouse plants are to the requirement of room temperature.Can make crop reach fast-growing, effect with high yield, good quality and high beneficial results.Improve present green house to the utilization of solar energy, reduced original energy resource consumption, reduced production costs, increased the production cycle.
Description of drawings
Fig. 1 is the interior energy comprehensive utilization system syndeton schematic diagram of a kind of green house in the first embodiment of the invention;
Fig. 2 is the interior energy comprehensive utilization system syndeton schematic diagram of a kind of green house in the second embodiment of the invention;
Fig. 3 is the interior energy comprehensive utilization system syndeton schematic diagram of a kind of green house in the third embodiment of the invention;
Fig. 4 is the interior energy comprehensive utilization system syndeton schematic diagram of a kind of green house in the fourth embodiment of the invention.
Among the figure: 1 for solar energy heat collector, 2 for regenerative apparatus, 3 for the heat exchange pipeline of regenerative apparatus, 4 be that the first water pump, 5 is the automatic liquid supply water tank for soil heat abstractor, 6; 7 is the second water pump; 8 is air heat exchanger; 9 is drain valve; 10, greenhouse; 11, be control valve one; 12 is control valve two; 13 is control valve three; 14 is control valve four; 15 is control valve five; 16 is control valve six; 17 is bypass regulator valve.
The present invention is further illustrated below in conjunction with drawings and Examples for embodiment.
As shown in Figure 1, energy comprehensive utilization system has comprised soil heat abstractor 5 in a kind of green house of the present invention, this soil heat exchange device 5 be positioned at greenhouse 10 the soil below; The first water pump 4; Regenerative apparatus 2, this regenerative apparatus comprise water hold over system and soil thermal storage system; Solar energy heat collector 1, this solar energy heat collector are to utilize the functional form fluid to improve the solar energy utilization technique of solar energy heating efficient, have high thermal effect, the technical characterstics such as high water temperature.The heat exchange pipeline 3 of regenerative apparatus; Automatic liquid supply water tank 6; 9 is drain valve etc., and wherein, soil heat exchange device 5 connects into the first closed circuit by the first water pump 4 and regenerative apparatus 2, and the heat energy of this regenerative apparatus 2 discharges to soil heat exchange device 5 by this first loop; As scheme concrete, keep control valve 1, control valve 2 12, control valve 3 13 is opened, other valve closings, then the water yield is drawn for the heat exchange pipeline 3 from the first water pump 4 from regenerative apparatus 2 in the first loop, this water yield in regenerative apparatus 2 with regenerative apparatus 2 in the heat storage medium heat exchange after, be pressed and delivered in the pipeline of soil heat exchange device 5 through the first water pump 4, with soil to execute heat exchange, because regenerative apparatus generally can be collected heat energy by solar energy heating, so be that temperature is higher in the heat exchange pipeline 3 of regenerative apparatus 2, the heat energy that is regenerative apparatus passes through this first loop, discharges to the soil heat exchange device.Night or winter colder situation, can improve the temperature of soil in the greenhouse by discharging the heat energy in the regenerative apparatus, thus the growing of raising plant.
Same, keep control valve 4 14 and control valve 5 15 to open, other valve closings, then second servo loop is that 4 pressurizations of the first water pump are that water is through solar energy heat collector 1, current direction control valve 2 12 through heating, enter into regenerative apparatus 2, improved the temperature of regenerative apparatus 2 medium, and regenerative apparatus 2 medium enter the entrance of the first water pump 4, thereby the formation second servo loop, through passing through the operation second servo loop, solar energy heat collector 1 is collected solar thermal energy, and be stored in the regenerative apparatus 2, improved the temperature of heat storage medium.Move the first loop and second servo loop by the interval, can absorb fully the heat energy of the sun, store, having solved the soil in the greenhouse need to conduct heat to heat by air, and adds the problem of shortage of heat.
Embodiment two is illustrated in figure 2 as the system diagram of the embodiment of the invention two, be with the difference of embodiment one, this system also is included in the pipeline that also is provided with air heat exchanger 8 in the greenhouse 10 and is attached thereto, this air heat exchanger 8 comprises fan, carries out heat exchange by the water in the heat exchanging pipe 3 of the indoor air of circulation warm and regenerative apparatus 2.In the present embodiment, regenerative apparatus 2 can be passed to air in the greenhouse to heat energy by air heat exchanger 8, and is concrete, and control valve 4 14 and control valve 6 16 are opened, other valve closings, water in regenerative apparatus 2 in the heat exchange pipeline 3 through the heat storage medium heat exchange after, become the water with heat energy, through entering air heat exchanger 8 after 4 pressurizations of the first water pump, after air and hot aqueous medium's heat exchange, air themperature in the greenhouse raises, and the water after the cooling enters in the heat exchange pipeline 3, forms tertiary circuit.By the first water pump 4 heat energy in the regenerative apparatus 2 is passed in the air by air heat exchanger 8 in this loop, improve the air themperature in greenhouse, in the situation that rainy weather can not have Exposure to Sunlight, keep in the greenhouse suitable temperature being arranged like this, improve growing of plant.
With reference to figure 4, can be by using simultaneously the first water pump 4 or the second water pump 7, perhaps both use simultaneously, and realize above-mentioned functions.That is, the heat exchange pipeline 3 of regenerative apparatus 2 by the first water pump or/and the second water pump and air heat exchanger 8 connect into tertiary circuit.
Embodiment three as shown in Figure 3, the present embodiment three is after through the point A behind air heat exchanger 8 and the soil heat abstractor 5, the bypass regulator valve 17 that is communicated to the pipeline between control valve two and the regenerative apparatus is arranged with the difference of embodiment two.Open like this control valve 6 16, bypass regulator valve 17 and control valve 3 13, close other control valves, just can realize that the heat storage medium in air heat exchanger 8 and the regenerative apparatus 2 carries out direct heat exchange, the better like this efficient that improves heat exchange.That is, regenerative apparatus 2 by the first water pump or/and the second water pump and air heat exchanger 8 connect into the 4th loop.
Same, soil heat abstractor 5 also can directly carry out the direct heat exchange by heat storage medium from regenerative apparatus 2, open control valve 5 15, bypass regulator valve 17 and control valve 3 13, close other control valves, in the regenerative apparatus 2 with the heat-storage medium water of heat energy, through entering air heat exchanger 8 after 4 pressurizations of the first water pump, after air and heat storage medium heat exchange, air themperature in the greenhouse raises, and the water after the cooling enters in the regenerative apparatus.That is, regenerative apparatus 2 connects into the 5th loop by the first water pump and soil heat exchange device 5.
Embodiment four as shown in Figure 4, the present embodiment four is with the difference of embodiment three, on the pipeline between the import node of control valve 5 15 and control valve 6 16, be provided with the second water pump 7, the water pump of series relationship all is provided with the check valve of anti-reverse in system.The second water pump 7 is set can assist the first water pump jointly to finish the circulation of heat transferring medium, in addition, open control valve 5 15 and control valve 6 16, close other control valves and the first water pump 4, WATER AS FLOW MEDIUM from soil heat abstractor 5 is after the suction pressurization of the second water pump 7, enter the air heat-exchange in air heat exchanger 8 and the greenhouse, the water that has improved temperature enters in the soil heat abstractor 5 again and dispels the heat to soil, improves the temperature of soil; Be that air heat exchanger 8 connects into the 6th loop by the second water pump and soil heat exchange device 5.After the continuous cloudy day or the regenerative apparatus maintenance, then soil temperature can reduce apparent in view, and plant is had a negative impact.When at this moment the Inside Air Temperature of booth is high, can reduces air themperature and absorb solar thermal energy more, simultaneously heat energy passes to soil, improves soil temperature and improves comprehensive growth and development of plants.Simultaneously, because soil temperature is low, the heat-exchange temperature of air heat exchanger 8 is low, the effective moisture the condensation greenhouse in, thereby the humidity in the reduction greenhouse, the loss that can improve moisture in the growth of crop and the reduction greenhouse.
Under fine weather, solar energy is carried out thermal-arrest by solar energy heat collector 1, and the solar heat that absorbs utilize the first water pump 4 and or the second water pump 7 be transported to regenerative apparatus 2 and store.When night or overcast and rainy greenhouse temperature reduce when reaching setting value, regenerative apparatus 2 carries out heat release work, utilizes heat exchange pipeline 3 or regenerative apparatus 2 directly and the soil in 5 pairs of greenhouses of soil heat abstractor heat, and keeps the temperature of the planting soil in greenhouse.Respectively simultaneously regenerative apparatus 2 carry out heat release work, utilize heat exchange pipeline 3 or regenerative apparatus 2 directly and the air in 8 pairs of greenhouses of air heat exchanger heat, keep the air themperature in greenhouse.The present invention proposes 6 kinds of closed circuits, can realize respectively function separately, effectively make up these functions, constantly carry out the systemic circulation running with this, realize the comprehensive high-efficiency utilization of the energy in the booth.
For utilization ratio and the control convenience that improves energy comprehensive utilization system in the green house, the control system of the operation of the first water pump (4) and the second water pump (7) and all control valves is full-automatic control system, can be according to the operation of all kinds of monitor signal feedback automatic adjustment system, be accompanied with the antifreeze control of pipeline, when severe cold season will start antifreeze heating tape night automatically.The control valve of this system adopts motor-driven valve, simultaneously according to soil temperature, air themperature the detection of humidity, regenerative apparatus temperature, and whether reach setting value, and above system realized automatically control.
The equipment that whole system is related and annex thereof all have very high economy and the feature of environmental protection, guaranteed that whole system has cost low, efficient is high, the characteristics such as the cost recovery cycle is short, simultaneously, control system also is provided with the antifreeze control of pipeline, when severe cold season will start antifreeze heating tape night automatically, prevent frost crack pipe, guarantee Security of the system.
Claims (8)
1. for realizing the invention provides a kind of green house energy comprehensive utilization system, comprise soil heat exchange device (5), it is characterized in that, described soil heat exchange device (5) connects into the first closed circuit by the first water pump (4) and regenerative apparatus (2), the heat energy of this regenerative apparatus (2) discharges to soil heat exchange device (5) by this first loop; Described regenerative apparatus (2) connects into second servo loop by the second water pump (7) and/or the first water pump (4) and solar energy heat collector (1), the heat energy that this solar energy heat collector (1) compiles is stored in regenerative apparatus (2) by second servo loop.
2. according in claims 1 described system, it is characterized in that: the heat exchange pipeline (3) of described regenerative apparatus (2) by the first water pump (4) or/and the second water pump (7) and air heat exchanger (8) connect into tertiary circuit.
3. according in claims 1 described system, it is characterized in that: described regenerative apparatus (2) by the first water pump (4) or/and the second water pump (7) and air heat exchanger (8) connect into the 4th loop.
4. according in claims 1 described system, it is characterized in that: described regenerative apparatus (2) connects into the 5th loop by the first water pump (4) and soil heat exchange device (5).
5. according in claims 1 described system, it is characterized in that: described air heat exchanger (8) connects into the 6th loop by the second water pump (4) and soil heat exchange device (5).
6. according to claim 1 in 5 in each described system, it is characterized in that: described solar heat heat collector (1) refers to utilize the functional form fluid to improve the solar energy utilization technique of solar energy heating efficient, has high thermal effect, the technical characterstics such as high water temperature.
7. according to claim 1 in 5 in each described system, it is characterized in that: described regenerative apparatus (2) comprises water hold over system and soil thermal storage system.
8. according to claim 1 in 5 in each described system, it is characterized in that: the control system of the operation of described the first water pump (4) and all control valves is full-automatic control system, can be according to the operation of all kinds of monitor signal feedback automatic adjustment system, be accompanied with the antifreeze control of pipeline, when severe cold season will start antifreeze heating tape night automatically.
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| CN2011102684168A CN102986479A (en) | 2011-09-13 | 2011-09-13 | System for comprehensively utilizing energy sources in greenhouse |
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Cited By (20)
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| CN103314838A (en) * | 2013-07-10 | 2013-09-25 | 上海交通大学 | Thermal storage and supply system and application of thermal storage and supply system on water culture |
| CN103636436A (en) * | 2013-11-28 | 2014-03-19 | 哈尔滨阳光能源工程有限公司 | Solar underground heat accumulation sunlight greenhouse heating system |
| CN103782846A (en) * | 2014-01-21 | 2014-05-14 | 同济大学 | Agricultural greenhouse heating supply system based on seasonal solar energy soil heat storage |
| CN103814776A (en) * | 2014-03-04 | 2014-05-28 | 刘长宝 | Greenhouse energy-saving heat insulation system |
| CN104025950A (en) * | 2014-05-20 | 2014-09-10 | 张家港永联天天鲜配送有限公司 | Greenhouse |
| CN104089416A (en) * | 2014-07-15 | 2014-10-08 | 东南大学 | Solar water heater system capable of providing sunlight greenhouse heat-storage and ventilation functions |
| CN104654623A (en) * | 2013-11-17 | 2015-05-27 | 成都奥能普科技有限公司 | Low-temperature solar energy underground heat accumulation system |
| CN106105887A (en) * | 2016-08-17 | 2016-11-16 | 新疆农垦科学院 | A kind of heliogreenhouse being applicable to the cultivation of facility Fructus Pruni pseudocerasi |
| CN107295921A (en) * | 2017-08-07 | 2017-10-27 | 江苏夏博士节能工程股份有限公司 | A kind of solar greenhouse system |
| CN107327903A (en) * | 2017-08-21 | 2017-11-07 | 中国农业大学 | A kind of greenhouse collection hold over system and its operation method |
| AT519027A1 (en) * | 2016-08-19 | 2018-03-15 | Martin Torner | Device for growing plants |
| CN110012749A (en) * | 2018-01-09 | 2019-07-16 | 吴良柏 | New plant growth controlled condition system and solar-heating heating refrigeration electricity generation system |
| CN110268882A (en) * | 2018-03-13 | 2019-09-24 | 吴良柏 | Novel agricultural Greenhouse System and solar energy accumulation energy supplying system |
| CN110326473A (en) * | 2019-06-10 | 2019-10-15 | 西北农林科技大学 | A kind of novel greenhouse underground heat storage system and method |
| CN110915636A (en) * | 2019-12-25 | 2020-03-27 | 江苏盛禾资源环境科技有限责任公司 | Early-spring cucumber strong seedling cultivation method |
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| CN104089416A (en) * | 2014-07-15 | 2014-10-08 | 东南大学 | Solar water heater system capable of providing sunlight greenhouse heat-storage and ventilation functions |
| CN104089416B (en) * | 2014-07-15 | 2015-12-23 | 东南大学 | A kind of solar water heater system that sunlight booth heat accumulation and ventilatory are provided |
| CN106105887A (en) * | 2016-08-17 | 2016-11-16 | 新疆农垦科学院 | A kind of heliogreenhouse being applicable to the cultivation of facility Fructus Pruni pseudocerasi |
| 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 |
| CN107295921A (en) * | 2017-08-07 | 2017-10-27 | 江苏夏博士节能工程股份有限公司 | A kind of solar greenhouse system |
| CN107327903A (en) * | 2017-08-21 | 2017-11-07 | 中国农业大学 | A kind of greenhouse collection hold over system and its operation method |
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Application publication date: 20130327 |