CN203478704U - Heat pump system for facility agriculture - Google Patents
Heat pump system for facility agriculture Download PDFInfo
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- CN203478704U CN203478704U CN201320560167.4U CN201320560167U CN203478704U CN 203478704 U CN203478704 U CN 203478704U CN 201320560167 U CN201320560167 U CN 201320560167U CN 203478704 U CN203478704 U CN 203478704U
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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
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Abstract
The utility model discloses a heat pump system for facility agriculture. The heat pump system for the facility agriculture comprises a compressor, a reversing valve, a solar water source heat pump unit, an air ring heat pump unit and a water ring heat pump unit, wherein the compressor and the reversing valve are arranged in a greenhouse or a sunlight greenhouse, and the solar water source heat pump unit, the air ring heat pump unit and the water ring heat pump unit are arranged in parallel and are controlled by an automatic control unit. According to the heat pump system for the facility agriculture, solar energy, an air source in the greenhouse or the sunlight greenhouse and a water source around the greenhouse or the sunlight greenhouse are comprehensively utilized through the heat pump technology, heat preservation and heating conditions are provided for crops in the greenhouse or the sunlight greenhouse, an appropriate growth environment is provided for the crops, a low-temperature disaster of the greenhouse or the sunlight greenhouse is resisted, and foundation is provided for normal growth and good harvest of the crops in a cold season; the heat pump system for the facility agriculture can also be used for cooling and dehumidification of the crops in a hot season.
Description
Technical field
The utility model relates to industrialized agriculture technical field, relates in particular to a kind of industrialized agriculture heat pump.
Background technology
One of modern agriculture sign is industrialized agriculture.It is representative that industrialized agriculture be take again the supporting of booth or heliogreenhouse and water conservancy and energy facilities.Booth and heliogreenhouse are the industrialized agricultures of efficient sun effect, in three seasons of spring autumn and winter, especially with Spring Festival Market, be supplied as and outstanding a large amount of across agricultural products such as season, fresh melon fruit vegetable trans-regional, for export, livestock and poultry egg fish, flowers, substantially come from booth and heliogreenhouse.
The rural area of the length and breadth of land such as China's Nei Mongol Plateau, Qinghai-Tibet Platean, loess plateau, Gobi desert, South Sinkiang, has a large amount of idle maybe can opening up to utilize the soil of cultivating, and also has numerous idle labours.In these areas, the crops such as industrial crops, vegetables rely on gradually booth or heliogreenhouse is improved and cultivates.But simple booth or heliogreenhouse building body are not industrialized agricultures.The booth that these are regional or heliogreenhouse are only the kind cultivation having solved under arid, strong wind condition, and winter is because the most booths of impact or the heliogreenhouse of severe cold are idle.
So-called industrialized agriculture is exactly by the construction of booth, heliogreenhouse, water power, installations and facilities, manually creates suitable agricultural environment, realizes modern agricultural production.Be booth and heliogreenhouse industrialized agriculture product economy is most effective, cost performance is the highest period in spring autumn and winter in three seasons, be again to face Low temperature disaster to affect the most serious period, especially northern China, northwest, western part, southwest all exist and need to fundamentally solve the problem of resisting Low temperature disaster.In these areas, Low temperature disaster has every year, light cause year after year the underproduction of large-area essence, heavy total crop failure.And because growing environment low temperature is unfavorable, the peasant household in a lot of areas haves no alternative but take the modes such as growth-promoting agent to implement to compensate the adverse effect that low temperature causes, and then has affected the quality of product and the sale of product, even jeopardizes the healthy of people.
The way that Low temperature disaster is resisted in solution was implemented many, and as thickening booth and sunlight greenhouse structure Insulation, the insulation expenditure of construction of every mu of booth or heliogreenhouse is up to 5～80,000 yuan; Burn the warm warming production cost that causes of coal or electricity and increase, even sustain losses in business.Thereby, make numerous peasant households or hang back, or failure in operation, or abandon being engaged in agriculture.
The problem that China's agricultural faces is exactly that arability soil is few, high quality agricultural products supplies to measure less, meticulous fruit and vegetable varieties is few, the poor situation of few, the suitable modern agriculture management environment of green organic product.People to the critical period of agricultural product demand be winter prosperous need with spring gap between generations, not only cause price unstable, serious is that quality does not ensure.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of industrialized agriculture heat pump, to resist booth and heliogreenhouse Low temperature disaster, for crop is created suitable growing environment.
For solving the problems of the technologies described above, the technical solution of the utility model is: industrialized agriculture heat pump, comprising: be arranged at a compressor and a reversal valve in booth or heliogreenhouse; And
Solar energy water source heat pump unit, described solar energy water source heat pump unit comprises the solar energy evaporative condenser being arranged in described booth or heliogreenhouse; Underground heat storage pond, described underground heat storage is provided with thermal storage tank's evaporative condenser in pond; Described solar energy evaporative condenser, described compressor, described reversal valve and described thermal storage tank's evaporative condenser form the closed loop of described solar energy water source heat pump unit through refrigerant pipeline serial connection;
Compression ring heat pump unit, described compression ring heat pump unit comprises and is arranged at the compression ring evaporative condenser of described booth or heliogreenhouse inner bottom part and is arranged at described booth or the compression ring condenser/evaporator of heliogreenhouse internal upper part, and described compression ring evaporative condenser, described compressor, described reversal valve and described compression ring condenser/evaporator form the closed loop of described compression ring heat pump unit through refrigerant pipeline serial connection;
Water-loop heat pump unit, described water-loop heat pump unit comprises water ring evaporative condenser and the water ring condenser/evaporator being arranged in described booth or heliogreenhouse, described water ring evaporative condenser is connected with the water source of described booth or heliogreenhouse exterior circumferential; Described water ring evaporative condenser, described compressor, described reversal valve and described water ring condenser/evaporator form the closed loop of described water-loop heat pump unit through refrigerant pipeline serial connection;
Described solar energy water source heat pump unit, described compression ring heat pump unit and described water-loop heat pump unit be parallel to be arranged and is controlled by automatic control unit.
Preferably, described solar energy evaporative condenser is carbon fiber curtain formula solar energy evaporative condenser.
Preferably, described solar energy water source heat pump unit also comprises the cooling fan being arranged in booth or heliogreenhouse.
Preferably, described compression ring evaporative condenser absorbs the low-grade heat that is arranged in described booth or 0.5 meter of following Cryogenic air of heliogreenhouse inner bottom part; Described compression ring condenser/evaporator is by high-order thermal release more than 1.5 meters space in described booth or heliogreenhouse.
Preferably, described compression ring heat pump unit also comprise be arranged at described booth or heliogreenhouse inner bottom part for forcing the evaporation fan of refrigerant evaporation, and be arranged at the condensation fan that described booth or heliogreenhouse internal upper part distribute towards periphery for the heat that condensation refrigerant is discharged.
Preferably, in described booth or heliogreenhouse, be also provided with for fruits and vegetables or/and the antifreeze cellar of medicinal material wet down in winter; And for fruits and vegetables or/and the fresh-keeping storage canopy of medicinal material medicinal material Summer Low Temperature, by described compression ring heat pump unit to described fruits and vegetables or/and medicinal material carries out the antifreeze or preservation by low temperature of wet down processes.
Preferably, in described booth or heliogreenhouse, be also provided with drying shed, by described compression ring heat pump unit, for described drying shed provides hot blast, the dry thing of needs carried out to heated-air drying processing.
Preferably, described compressor is by electric drive or gas turbine drives.
Preferably, described compressor is by gas turbine drives, and the exhaust gas recovery of described gas turbine enters described compression ring heat pump unit.
Preferably, described automatic control unit comprises PLC single-chip microcomputer.
Owing to having adopted technique scheme, industrialized agriculture heat pump of the present utility model comprises parallel solar energy water source heat pump unit, compression ring heat pump unit and the water-loop heat pump unit arranging.Wherein, solar energy water source heat pump unit is that season in severe winter agricultural heat pump is at the Major Systems of booth and heliogreenhouse high efficient heat exchanging and heat preserving and supplying, daytime, utilize the printing opacity of booth and heliogreenhouse, insulation, airtight feature, solar energy evaporative condenser absorbs the heat of solar energy with the pattern of evaporimeter, thermal storage tank's evaporative condenser switches to condenser modes, refrigerant in closed loop absorbs heat of vaporization at solar energy evaporative condenser, pass through compressor work, condensation in thermal storage tank's evaporative condenser, by thermal release and be stored in the water in underground heat storage pond, during Low Night Temperature, thermal storage tank's evaporative condenser switches to evaporator mode, solar energy evaporative condenser switches to condenser modes, it is gaseous coolant that refrigerant in closed loop absorbs at thermal storage tank's evaporative condenser the heat of vaporization storing in water, pass through compressor work, at solar energy evaporative condenser, be condensed into liquid refrigerants, by thermal release in the space of booth and heliogreenhouse, thereby improved the nocturnal temperature of booth and heliogreenhouse inside, met the needs of crop night insulation heating.
Cloudy day lacks the period of day illuminance continuously, or in the lower area of solar energy irradiation, is difficult to meet by operation solar energy water source heat pump unit the needs of the crop heat preserving and supplying in booth or heliogreenhouse.Around here, automatic control unit starts compression ring heat pump unit, utilize the interior space temperature gradient of booth or heliogreenhouse large, the rheology of air-flow nature is little, the features such as soil (or body of wall) heat release, by compression ring heat pump unit, refrigerant in its closed loop absorbs the low-grade heat of booth or heliogreenhouse inner bottom part air and is evaporated to gaseous coolant at compression ring evaporative condenser, pass through compressor work, top gaseous coolant in booth or heliogreenhouse is condensed into liquid refrigerants at compression ring condenser/evaporator, the upper space in booth or heliogreenhouse by thermal release simultaneously, heated the upper air in booth or heliogreenhouse, formed with the closed loop heating between bottom air source latent heat and upper air heat release, keep room temperature can not continue and significantly decline, to meet the needs of crop heat preserving and supplying.
When lasting successive cloudy days, can not move solar energy water source heat pump unit; And the very low air-source evaporation endothermic that is unfavorable for of winter temperature, in the time of can not moving compression ring heat pump unit, around here, automatic control unit starts water-loop heat pump unit, make full use of the water source of booth or heliogreenhouse exterior circumferential, the refrigerant in its closed loop absorbs the low level heat energy at water source and is evaporated to gaseous coolant at water ring evaporative condenser, passes through compressor work, water ring condenser/evaporator in booth or heliogreenhouse is condensed into liquid refrigerants and release heat, to meet the needs of crop heat preserving and supplying.
When further building for storing winter such as the cellar of fruits and vegetables, medicinal material etc., by operation compression ring heat pump unit, to fruits and vegetables, medicinal material, can play the antifreeze effect of wet down in booth or heliogreenhouse; Build for the storage canopy fresh-keeping to Summer Low Temperatures such as fruits and vegetables, medicinal materials, by operation compression ring heat pump unit, to fruits and vegetables, medicinal material, can play preservation by low temperature effect; Build drying shed, by operation compression ring heat pump unit, can provide hot blast for the top of drying shed, mushroom, medicinal material etc. is dried to processing.
To sum up, industrialized agriculture heat pump of the present utility model, pass through heat pump techniques, air-source in comprehensive utilization booth or heliogreenhouse body, solar energy, booth or heliogreenhouse and the water source of booth or heliogreenhouse outside, for the crop in booth or heliogreenhouse provides heat preserving and supplying condition, for crop, created suitable growing environment, resisted the Low temperature disaster of booth or heliogreenhouse, for crop normal growth cold season, good harvest are laid a good foundation.
Accompanying drawing explanation
Fig. 1 is the industrialized agriculture heat pump theory diagram of the utility model embodiment;
Fig. 2 is that the industrialized agriculture heat pump of the utility model embodiment is arranged schematic diagram.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further non-limitingly described.
As shown in Fig. 1 and Fig. 2 are common (in Fig. 1 arrow be depicted as refrigerant in loop flow to), industrialized agriculture heat pump of the present utility model comprises: be arranged on a compressor and a four-way change-over valve in booth or heliogreenhouse; And by parallel solar energy water source heat pump unit, compression ring heat pump unit and the water-loop heat pump unit that arranges and be controlled by automatic control unit of refrigerant buffer distributor.
Solar energy water source heat pump unit comprises: be arranged on the solar energy evaporative condenser in booth or heliogreenhouse; Underground heat storage pond is provided with thermal storage tank's evaporative condenser in underground heat storage pond; This solar energy evaporative condenser, above-mentioned compressor, reversal valve, this thermal storage tank's evaporative condenser and conventional choke valve, magnetic valve, circulating pump etc. form the closed loop (specifically not illustrating each pipeline parts in figure) of solar energy water source heat pump unit through refrigerant pipeline serial connection, in this closed loop, are filled with refrigerant.
Wherein, solar energy evaporative condenser is preferably carbon fiber curtain formula solar energy evaporative condenser.Carbon fiber thermal-arrest curtain is carbon fibre fabric, and the intensity of fabric is high, and thermal-arrest curtain dangles and is installed in booth or heliogreenhouse with nail wall hanging, can enclose summer to receive and keep.Refrigerant pipe is located in the solar energy that the middle vaporation-type heat absorption of thermal-arrest curtain is collected by thermal-arrest curtain, by compressor and thermal storage tank's evaporative condenser, exchange heat for again, according to root actual observation, when condensed water temperature reaches 30 ℃, every square meter heat collector surface day of year collection solar thermal energy 45,000,000 Jiao, surpass approximately 5 times of conventional solar thermal collector heat-collecting capacities, Heat-collecting effect is good, and its cost is only 1/2 of conventional solar energy.Near carbon fiber curtain formula solar energy evaporative condenser, is also furnished with cooling fan.
Wherein, construction capacity is selected by institute's calorific requirement in underground heat storage pond, takes manually to dig pit, and 37 lime earth is built wall, with carbon fiber waterproof cloth, makes the water pocket for water storage, with cored slab, makes Chi Ding, and approximately 1 meter of Chi Ding is thick, after earthing, can cultivate crop thereon.Thermal storage tank is the critical facility of water-deficient area, plateau retaining, retaining in summer, and use in winter, therefore, thermal storage tank is functional very strong.According to observation, the night of temperature-33 ℃, during thermal storage tank's 15 ℃ of water temperatures, 7 watts of the heat pump input powers of every mu of booth, 4 watts of the input powers of heliogreenhouse heat pump, just can keep at least 10 ℃ of booth room temperatures, at least 12 ℃ of heliogreenhouse room temperatures.
Solar energy water source heat pump unit is that season in severe winter agricultural heat pump is at the Major Systems of booth and heliogreenhouse high efficient heat exchanging and heat preserving and supplying.The phenomenon that booth or heliogreenhouse body obtain heat energy by solar radiation is called Passive use solar energy; By the device heating waters such as solar thermal collector or air, use or store the active solar energy that utilizes of being called of solar thermal energy.Daytime, utilize the printing opacity, insulation of booth and heliogreenhouse, airtight feature, solar energy evaporative condenser absorbs the heat of solar energy with the pattern of evaporimeter, thermal storage tank's evaporative condenser switches to condenser modes, refrigerant in closed loop absorbs heat of vaporization at solar energy evaporative condenser, by compressor work, condensation in thermal storage tank's evaporative condenser, by thermal release and be stored in the water in underground heat storage pond; During Low Night Temperature, thermal storage tank's evaporative condenser switches to evaporator mode, solar energy evaporative condenser switches to condenser modes, it is gaseous coolant that refrigerant in closed loop absorbs at thermal storage tank's evaporative condenser the heat of vaporization storing in water, pass through compressor work, at solar energy evaporative condenser, be condensed into liquid refrigerants and release heat, under cooling fan effect, pressure by thermal release and intersperse among booth and the space of heliogreenhouse in, thereby improved the nocturnal temperature of booth and heliogreenhouse inside, met the needs of crop night insulation heating.
Compression ring heat pump unit comprises: be arranged on the compression ring evaporative condenser of booth or heliogreenhouse inner bottom part, and be arranged on the compression ring condenser/evaporator of booth or heliogreenhouse internal upper part; This compression ring evaporative condenser, above-mentioned compressor, reversal valve, this compression ring condenser/evaporator and conventional choke valve, magnetic valve, circulating pump etc. form the closed loop (specifically not illustrating each pipeline parts in figure) of compression ring heat pump unit through refrigerant pipeline serial connection, in this closed loop, are filled with refrigerant.
Wherein, compression ring evaporative condenser absorbs the low-grade heat that is arranged in booth or the best 0.5 meter of following Cryogenic air of heliogreenhouse inner bottom part, and the bottom in booth or heliogreenhouse is also furnished with for forcing the evaporation fan of refrigerant evaporation; Compression ring condenser/evaporator is by high-order thermal release best more than 1.5 meters space in booth or heliogreenhouse, and the top in booth or heliogreenhouse is also furnished with the condensation fan that the heat for condensation refrigerant is discharged distributes towards periphery.
Winter, the minimum room temperature of booth and heliogreenhouse required to be not less than 8 ℃.Cloudy day lacks the period of day illuminance continuously, or in the lower area of solar energy irradiation, is difficult to meet by operation solar energy water source heat pump unit the needs of the crop heat preserving and supplying in booth or heliogreenhouse.Around here, automatic control unit starts compression ring heat pump unit, utilize the interior space temperature gradient of booth or heliogreenhouse large, the feature such as the natural rheology of air-flow is little, soil (or body of wall) heat release, by operation compression ring heat pump unit, use the air of booth or heliogreenhouse inside to own fabricate-heat.Concrete operations: when room temperature drops to 12 ℃, start compression ring heat pump unit, first, the evaporation fan of booth or heliogreenhouse inner bottom part is with the mode heat exchange of low speed forced evaporation, in refrigerant absorption chamber in closed loop, 0.5 meter evaporates with the low-grade heat in lower bottom part Cryogenic air, evaporation process has also been condensed the moisture of bottom air, reduced the proportion of bottom air, moisture dignified space in bottom is produced flows, the refrigerant of evaporation carries high-order heat through compressor acting, by compression ring condenser/evaporator by high-order thermal release at booth or heliogreenhouse internal upper part, again through the condensation fan of eminence by high-order thermal release in more than 1.5 meters space, form air heat, so far formed with the closed loop heating between bottom air source latent heat and upper air heat release, keep room temperature can not continue and significantly decline, to meet the needs of crop heat preserving and supplying.
The effect that compression ring heat pump unit is above the average age for marriage in tomato, cucumber, capsicum etc., high stalk period is warming is especially good, because this period crop root and bottom possess the abilities of anti-8 ℃ of above low temperature, bud or the tender fruit of low temperature have not been afraid of, circulation bottom air is conducive to reduce humidity and gas concentration lwevel, and heating upper air is particularly advantageous in crop pollination and ripe fruit.
Wherein, can also in booth or heliogreenhouse, be provided for fruits and vegetables or/and the antifreeze cellar of medicinal material wet down in winter; And for fruits and vegetables or/and the fresh-keeping storage canopy of medicinal material Summer Low Temperature; By compression ring heat pump unit to fruits and vegetables or/and medicinal material carries out the antifreeze or preservation by low temperature of wet down processes.For example: the compression ring heat pump of the winter warming of booth or greenhouse installation being used in Zhuoni County, Tibetan Autonomous Prefecture of Gannan, Gansu Province, build easy storage canopy for the preservation by low temperature of fruits and vegetables, medicinal material etc. at booth or warm indoor film summer and autumn on the spot.
Before not using industrialized agriculture heat pump of the present utility model, summer vegetable grower the fruits and vegetables of results first will be transported to after refrigerated depot section cooling could entrucking shipping, low-temperature transport has ensured that fruits and vegetables are long-distance and to Guangzhou, Shanghai and other places, can not generate heat again or go rotten, but per kilogram fruits and vegetables will increase the disposal cost of 0.5～0.7 yuan.Use the compression ring heat pump unit of industrialized agriculture heat pump of the present utility model, the edge of a field in booth or heliogreenhouse, by the transport vehicle with the packed good fruits and vegetables of heat-preservation cotton, thereby with the exhaust column of compression ring evaporative condenser, coordinating evaporation fan to carry out exhausting to transport vehicle lowers the temperature to fruits and vegetables, the transport vehicle that 30 tonnages are fully loaded, in environment temperature, be 33 ℃ and fruits and vegetables drop to only 25 minutes 5 ℃ of used times, vegetable grower and car owner have all saved expense and time, have produced good economic benefit.
Wherein, can also in booth or heliogreenhouse, build drying shed, by compression ring heat pump unit, for this drying shed provides hot blast, the dry thing of needs be carried out to heated-air drying processing such as mushroom, medicinal material etc.The airduct of compression ring evaporative condenser is air-breathing and dehumidifying in bottom, refrigerant heat absorption evaporation is after compressor acting, the heat of HTHP send as hot blast on the top of drying shed under condensation fan effect, when air quantity reach 10000 cubes ms/h, during 40 ℃ of left and right of leaving air temp, its time, mass dryness fraction effect have all reached the effect that hot a heatable brick bed dried.But adopt compression ring heat pump unit drying mode avoided the existing temperature of hot a heatable brick bed drying mode high, stuffy and color and luster is deepened, streaking is even or part is over-drying etc. problem; Compression ring heat pump unit has significant energy-saving and environmental protection effect than hot a heatable brick bed coal-fired or burning firewood, and has guaranteed the quality of dry thing.
Water-loop heat pump unit comprises: be arranged on water ring evaporative condenser and water ring condenser/evaporator in booth or heliogreenhouse; Wherein, this water ring evaporative condenser is connected with the water source of booth or heliogreenhouse exterior circumferential; This water ring evaporative condenser, above-mentioned compressor, reversal valve, the choke valve of this water ring condenser/evaporator and routine, magnetic valve, circulating pump etc., through the closed loop (specifically not illustrating each pipeline parts in figure) of refrigerant pipeline serial connection formation water-loop heat pump unit, are filled with refrigerant in this closed loop.
Wherein, the water source of booth or heliogreenhouse exterior circumferential mainly comprises the low level heat energies such as river source, well water source, bitter source.Area is covered in the municipal Southern Xinjiang in Hexi Corridor, Xinjiang in the western many regional ，Ru of China Gansu Province, the west of Inner Mongolia Autonomous Region, and surface water resource is quite deficient, and undergroundly has an abundant bitter, can make full use of by water-loop heat pump unit.
When lasting successive cloudy days, can not move solar energy water source heat pump unit; And the very low air-source evaporation endothermic that is unfavorable for of winter temperature, in the time of can not moving compression ring heat pump unit, around here, automatic control unit starts water-loop heat pump unit, the water source that makes full use of booth or heliogreenhouse exterior circumferential, for booth or heliogreenhouse inside heat, meets the needs of crop heat preserving and supplying.Refrigerant absorbs the low-grade heat at booth or heliogreenhouse exterior circumferential water source and evaporates through water ring evaporative condenser, through compressor, do work again, in water ring condenser/evaporator release heat, this water ring condenser/evaporator is water-cooled heat exchange type condenser, water-cooled heat exchange condensers is provided with and a plurality ofly goes out water barge and take over mouthful, heat can be stored in underground heat storage pond, or through underground piping, directly promote the temperature of soil, or the temperature of cultivating bed through bedstead Pipeline lift mushroom, or through the temperature of secondary heat exchanger heating soilless culture bed, or through the temperature of sleeve pipe heating water cultivation nutrient fluid circulating line, fabulous solution large-scale booth or heliogreenhouse agriculture and garden for heat problem, and replaced fuel boiler heat supply completely.The western many areas of China, as covered area in the west of the Hexi Corridor in Gansu Province, municipal Southern Xinjiang, Xinjiang, Inner Mongolia Autonomous Region, surface water resource is quite deficient, and undergroundly there is an abundant bitter, and the very low use that is unfavorable for air-source evaporation endothermic of these regional winter temperatures, cultivates the only usage space heating of the planting patterns such as mushroom, water planting vegetables, soilless culture, organic farming besides, therefore, water-loop heat pump unit highlights its multipurpose, many effects.Meanwhile, there is extensive soil in these areas, by building special-purpose film covering type cistern booth, make full use of this water-loop heat pump unit and heat the water in cistern, and pool inner water both can accumulation of heat, can water crop again.
On sweet spring water farm, Tianshui of Gansu Province, 4032 ㎡ celery seedlings are cultivated booth, and 500,000 strains are worth 250,000 yuan.If celery temperature in seedling stage lower than 8 ℃, there will be bolting and causes celery not eat.Originally there is solar energy heat pump system, but meet with historical continuous 16 days successive cloudy days that do not have in December, 2012, the lowest temperature-18 ℃, solar energy water source heat pump unit and compression ring heat pump unit all can not move, by operation water-loop heat pump unit, utilize the river of 2～4 ℃ of water temperatures through water-loop heat pump system heat-obtaining, maintained booth room temperature and ground temperature more than 10 ℃, guaranteed crop normal growth, results, avoided causing economic loss to vegetable grower.
At Gaolan, Gansu Province Experimental Base, by operation water-loop heat pump unit, adopt bitter heat-obtaining, maintained that 17 heliogreenhouses cultivate that the indeterminate growth tomato water planting of introducing is grown seedlings, the normal operation of organic training field planting and earth culture field planting.
Wherein, industrialized agriculture heat pump of the present utility model compressor used can be conventional electric drive mode.But there is no remote, plateau, the extremely frigid zones of electricity, can use filling coal gas, compressed natural gas etc. as the fuel of gas turbine, with gas turbine, directly by slip clutch, connect drive compression machine, the exhaust of gas turbine is reclaimed by compression ring heat pump unit again, and experiment obtains successfully.Can also as the fuel of gas turbine, carry out drive compression machine with treated biogas.According to the second law of thermodynamics, fuel combustion is converted to electric energy, and its efficiency of energy utilization is only 30%, and heat pump COP mean value is 3, and the energy utilization rate of electric heat pump is 0.9.The energy utilization rate that fuel directly becomes power is 90%, and fuel vent heat pump is organic efficiency average out to 55% again, so the energy efficiency of gas turbine heat pump, than electric heat pump high approximately 50%.Meanwhile, in rural area, a lot of booths or heliogreenhouse are far away apart from power supply, and transmission line capability is lower, use electric heat pump there will be corresponding problem and the bankroll problem of a lot of troubles, use gas turbine heat pump can solve easily to use and the problem such as harvesting.Practical operation proves: 3.5 horse power petrol engines of a transformation, drive 3 piston compressors, and equip the heliogreenhouse of 600 square meters, the liquefied petroleum gas of 15 kilograms, a tank can move 47 days.
Wherein, the automatic control unit of industrialized agriculture heat pump of the present utility model mainly comprises PLC single-chip microcomputer, has substantially realized unattended duty, can realize following intelligent management:
(1) by temperature, arrange and control carbon fiber curtain formula solar energy evaporative condenser automatic heat exchange, heat radiation;
(2) low temperature starts that heat supply, middle temperature are awaited orders automatically, high temperature starts refrigeration automatically automatically;
(3) hydraulic pressure interlock starts heat pump, heat pump interlock starts water pump;
(4) the too low or excessive discharge temperature of suction temperature protection, automatically regulate reply normal;
(5) be provided with the comprehensive data observations such as atmospheric temperature detection, greenhouse space temperature detection, the detection of compressor return air temperature and pressure, compressor exhaust temperature and pressure detecting, the detection of underground heat storage sump water temperature, temperature of outgoing air detection, supply water temperature detection, temperature at discharging condensate detection, the detection of soil ground temperature, source pump work condition state and operation intuitively respond well;
(6) control and show employing LED digital display screen, human-computer dialogue adopts button, is provided with artificial pressure start or shutdown, has increased the flexibility of operator's management.
Solar energy water source heat pump unit, compression ring heat pump unit and water-loop heat pump unit in industrialized agriculture heat pump of the present utility model be parallel to be arranged and is all controlled by above-mentioned automatic control unit, between different heat pump units, can automatically switch according to actual state, for the crop in booth or heliogreenhouse provides heat preserving and supplying condition, for crop has been created suitable growing environment.
When industrialized agriculture heat pump of the present utility model is not limited to low temperature for the crop in booth or heliogreenhouse provides heat preserving and supplying condition.In summer high temperature season, when in booth or heliogreenhouse, excess Temperature is unfavorable for crop normal growth, also can move industrialized agriculture heat pump of the present utility model, by switching the evaporation/condensation pattern between evaporimeter and condenser, make heat pump be in refrigerating state, the dissipation of heat in booth or heliogreenhouse, to outdoor, is lowered the temperature to indoor, avoid crop to be baked and burn, for crop provides suitable growing environment.Heat pump refrigerating belongs to the known technology of this area, and in this not go into detail.
Industrialized agriculture heat pump of the present utility model, from 2008, in Xinjiang, Inner Mongol, Ningxia, Gansu, Qinghai, Tibet, Shaanxi, the contour height above sea level in Sichuan, high drought, extremely frigid zones carry out plateau summer vegetable production experiment in winter and apply with generalization, obtained good effect.40～60 yuan every square metre of the supporting costs of industrialized agriculture heat pump, are equivalent to 50% of booth or heliogreenhouse insulation construction cost, are equivalent to 50% of coal-fired hot-water boiler and metal heating sheet heating system auxiliary construction expense.Every square metre of electricity consumption every day 0.2 degree left and right, is equivalent to the price of 0.2 kilogram of coal, is equivalent to 50% of coal-fired cost under identical operating mode.Therefore, input and operating cost are lower, and economic benefit is objective.
Industrialized agriculture heat pump be take and met industrialized agriculture booth or the composite demand such as heliogreenhouse is warming, dry, fresh-keeping, dehumidifying, cooling is target, integrates passive type and active solar energy, the compound system of utilizing multi-functional many effects new forms of energy combination such as air-source and water resource heat pump effect, booth and the warming dehumidifying of sunlight indoor temperature control and agricultural product cold storing and fresh-keeping and driven by power and gas turbine drives etc. utilized.Through experiment in 5 years and observation: heat pump is inputted the conversion Energy Efficiency Ratio that every kilowatt hour electric energy can conversion solar photo-thermal and reached 1:7～10; 3～6 watts of the heat pump input powers of every square metre of area booth or greenhouse configuration; Power consumption 0.36 degree of 1 ℃ of water temperature of the every lifting of heat pump water per ton; The test in strawberry greenhouse on year-on-year basis, Time To Market 17 days ahead of time, fruit is brought up again high by 43%, and the maturity of pulp sugar content improves 76%.Weifang, Shandong Wei Xian radish in the plantation of the plateau of 3060 meters of height above sea level, by nutritional labeling and trace elements such as nitrogen, phosphorus, potassium, calcium, manganese, zinc, iron, copper in original producton location soil and water, especially temperature, humidity, water quality (salinity) reduction regulation and control, the appearance and size of radish is identical with original producton location, owing to using the snow-broth in the Qilian mountains to water its mouthfeel, is better than original producton location.
The invention of industrialized agriculture heat pump has fundamentally met booth and the supporting needs of heliogreenhouse facility, can be summarized as:
(1) fundamentally resisted spring autumn and winter Low temperature disaster, the warming maximum temperature difference of crop can reach 42 ℃;
(2) the ripe Time To Market of crop is in advance more than 15 days, and quality improves significantly;
(3) stubble crop postpones 15 days the autumn, the spring stubble crop by early March, advance to the first month of the lunar year 15;
(4) artificial environment has been improved room temperature, humidity, bottom gas componant, promotes plant growth;
(5) heliogreenhouse organic farming has expanded winter vegetable kind, and the crops such as indeterminate growth tomato are able to produce winter at northwest plateau extremely frigid zones, furnish good supplies to, and exempt and transport cost interiorly, and the market price reduces by 60%;
(6) input of every mu of booth or the warming construction of heliogreenhouse reduces and accounts for gross investment 50%;
(7) needs such as warming, refrigerating fresh-keeping of the comprehensive heat supply that has met agricultural production process of agriculture heat pump;
(8) agricultural production relies on temperature, humidity, sunlight three elements, and agriculture heat pump has promoted the development of industrialized agriculture, makes in Gobi desert, sandy beach, high mountain Deng Wu soil district produces the agricultural product such as vegetables by artificial environment become possibility.
To sum up, industrialized agriculture heat pump of the present utility model, pass through heat pump techniques, air-source in comprehensive utilization solar energy, booth or heliogreenhouse and the water source of booth or heliogreenhouse exterior circumferential, for the crop in booth or heliogreenhouse provides heat preserving and supplying condition, for crop, created suitable growing environment, resisted the Low temperature disaster of booth or heliogreenhouse, for crop normal growth cold season, good harvest are laid a good foundation.
The above is only giving an example of the utility model preferred embodiments, and the part of wherein not addressing is in detail those of ordinary skills' common practise.Protection domain of the present utility model is as the criterion with the content of claim, and any equivalent transformation carrying out based on technology enlightenment of the present utility model, also within protection domain of the present utility model.
Claims (10)
1. industrialized agriculture heat pump, is characterized in that, comprising: be arranged at a compressor and a reversal valve in booth or heliogreenhouse; And
Solar energy water source heat pump unit, described solar energy water source heat pump unit comprises the solar energy evaporative condenser being arranged in described booth or heliogreenhouse; Underground heat storage pond, described underground heat storage is provided with thermal storage tank's evaporative condenser in pond; Described solar energy evaporative condenser, described compressor, described reversal valve and described thermal storage tank's evaporative condenser form the closed loop of described solar energy water source heat pump unit through refrigerant pipeline serial connection;
Compression ring heat pump unit, described compression ring heat pump unit comprises and is arranged at the compression ring evaporative condenser of described booth or heliogreenhouse inner bottom part and is arranged at described booth or the compression ring condenser/evaporator of heliogreenhouse internal upper part, and described compression ring evaporative condenser, described compressor, described reversal valve and described compression ring condenser/evaporator form the closed loop of described compression ring heat pump unit through refrigerant pipeline serial connection;
Water-loop heat pump unit, described water-loop heat pump unit comprises water ring evaporative condenser and the water ring condenser/evaporator being arranged in described booth or heliogreenhouse, described water ring evaporative condenser is connected with the water source of described booth or heliogreenhouse exterior circumferential; Described water ring evaporative condenser, described compressor, described reversal valve and described water ring condenser/evaporator form the closed loop of described water-loop heat pump unit through refrigerant pipeline serial connection;
Described solar energy water source heat pump unit, described compression ring heat pump unit and described water-loop heat pump unit be parallel to be arranged and is controlled by automatic control unit.
2. industrialized agriculture heat pump as claimed in claim 1, is characterized in that: described solar energy evaporative condenser is carbon fiber curtain formula solar energy evaporative condenser.
3. industrialized agriculture heat pump as claimed in claim 2, is characterized in that: described solar energy water source heat pump unit also comprises the cooling fan being arranged in booth or heliogreenhouse.
4. industrialized agriculture heat pump as claimed in claim 1, is characterized in that: described compression ring evaporative condenser absorbs the low-grade heat that is arranged in described booth or 0.5 meter of following Cryogenic air of heliogreenhouse inner bottom part; Described compression ring condenser/evaporator is by high-order thermal release more than 1.5 meters space in described booth or heliogreenhouse.
5. industrialized agriculture heat pump as claimed in claim 4, it is characterized in that: described compression ring heat pump unit also comprise be arranged at described booth or heliogreenhouse inner bottom part for forcing the evaporation fan of refrigerant evaporation, and be arranged at the condensation fan that described booth or heliogreenhouse internal upper part distribute towards periphery for the heat that condensation refrigerant is discharged.
6. industrialized agriculture heat pump as claimed in claim 5, is characterized in that: in described booth or heliogreenhouse, be also provided with for fruits and vegetables or/and the antifreeze cellar of medicinal material wet down in winter; And for fruits and vegetables or/and the fresh-keeping storage canopy of medicinal material medicinal material Summer Low Temperature, by described compression ring heat pump unit to described fruits and vegetables or/and medicinal material carries out the antifreeze or preservation by low temperature of wet down processes.
7. industrialized agriculture heat pump as claimed in claim 6, is characterized in that: in described booth or heliogreenhouse, be also provided with drying shed, by described compression ring heat pump unit, for described drying shed provides hot blast, the dry thing of needs carried out to heated-air drying processing.
8. industrialized agriculture heat pump as claimed in claim 1, is characterized in that: described compressor is by electric drive or gas turbine drives.
9. industrialized agriculture heat pump as claimed in claim 8, is characterized in that: described compressor is by gas turbine drives, and the exhaust gas recovery of described gas turbine enters described compression ring heat pump unit.
10. the industrialized agriculture heat pump as described in claim 1 to 9 any one, is characterized in that: described automatic control unit comprises PLC single-chip microcomputer.
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| CN201320560167.4U CN203478704U (en) | 2013-09-10 | 2013-09-10 | Heat pump system for facility agriculture |
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| CN201320560167.4U CN203478704U (en) | 2013-09-10 | 2013-09-10 | Heat pump system for facility agriculture |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103430795A (en) * | 2013-09-10 | 2013-12-11 | 山东宏力空调设备有限公司 | Facility agriculture heat pump system |
| CN104871877A (en) * | 2015-06-11 | 2015-09-02 | 东南大学 | Constant-temperature heating system of solar greenhouse |
| CN107616035A (en) * | 2016-07-14 | 2018-01-23 | 佛山光腾新能源股份有限公司 | A kind of heat-pump-type constant temperature and humidity vegetable cultivation device |
| CN108279600A (en) * | 2018-01-26 | 2018-07-13 | 深圳春沐源控股有限公司 | Crop planting management method and system, computer device and storage medium |
-
2013
- 2013-09-10 CN CN201320560167.4U patent/CN203478704U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103430795A (en) * | 2013-09-10 | 2013-12-11 | 山东宏力空调设备有限公司 | Facility agriculture heat pump system |
| CN103430795B (en) * | 2013-09-10 | 2015-06-17 | 山东宏力热泵能源股份有限公司 | Facility agriculture heat pump system |
| CN104871877A (en) * | 2015-06-11 | 2015-09-02 | 东南大学 | Constant-temperature heating system of solar greenhouse |
| CN107616035A (en) * | 2016-07-14 | 2018-01-23 | 佛山光腾新能源股份有限公司 | A kind of heat-pump-type constant temperature and humidity vegetable cultivation device |
| CN108279600A (en) * | 2018-01-26 | 2018-07-13 | 深圳春沐源控股有限公司 | Crop planting management method and system, computer device and storage medium |
| CN108279600B (en) * | 2018-01-26 | 2020-08-18 | 深圳春沐源控股有限公司 | Crop planting management method and system, computer device and storage medium |
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Address after: 261205 Shandong Province, Weifang city high tech Development Zone Hui Yin Road No. 2751 Patentee after: SHANDONG HONGLI PUMP ENERGY CO., LTD. Address before: 261205 Shandong Province, Weifang city high tech Development Zone Hui Yin Road No. 2751 Patentee before: Shandong Hongli Air-Conditioning Equipment Co., Ltd. |
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