CN108925309A - A kind of agricultural greenhouse self-sufficiency water system - Google Patents

A kind of agricultural greenhouse self-sufficiency water system Download PDF

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Publication number
CN108925309A
CN108925309A CN201810870140.2A CN201810870140A CN108925309A CN 108925309 A CN108925309 A CN 108925309A CN 201810870140 A CN201810870140 A CN 201810870140A CN 108925309 A CN108925309 A CN 108925309A
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CN
China
Prior art keywords
water
adsorbent
sufficiency
agricultural greenhouse
layer
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Pending
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CN201810870140.2A
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Chinese (zh)
Inventor
李建兰
张之瀚
易帆
冯沅君
熊枫
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Huazhong University of Science and Technology
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Huazhong University of Science and Technology
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Application filed by Huazhong University of Science and Technology filed Critical Huazhong University of Science and Technology
Priority to CN201810870140.2A priority Critical patent/CN108925309A/en
Publication of CN108925309A publication Critical patent/CN108925309A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/243Collecting solar energy
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/247Watering arrangements
    • 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 agricultural greenhouse technical fields, and specifically disclose a kind of agricultural greenhouse self-sufficiency water system.The pressure fan of setting is connect the system comprises the optical system being set in greenhouse, set on the water manufacturing system of the optical system side and with the water manufacturing system;Wherein, optical system includes Fresnel Lenses, the first concavees lens at the Fresnel Lenses focal point, the sunlight frequency limit reflecting glass below the first concavees lens, the water manufacturing system includes insulating layer, coating for selective absorption and water adsorption layer, the water adsorption layer includes sorbing material layer and metal heat-conduction bar, and the insulating layer can transmit the infrared light of the sunlight frequency limit reflecting glass reflection.The present invention realizes the ladder utilization to sunlight, and clean and environmental protection reduces the consumption of non-renewable energy resources, greenhouse self-water-supply function is realized simultaneously, agricultural water can either be provided in water-deficient area, but also as the supplement of domestic water, alleviates short water supply problem.

Description

A kind of agricultural greenhouse self-sufficiency water system
Technical field
The invention belongs to greenhouse hydrotechny fields, more particularly, to a kind of agricultural greenhouse self-sufficiency water system.
Background technique
Society is constantly progressive, and traditional Agriculture Production Modes are no longer satisfied the needs of modern civilization development, novel Industrialized agriculture is pursued by people in the industry.So-called agricultural equipment is exactly mainly in fact chamber facility, it is not by time and sky Between limitation, agricultural production can be carried out under the particular surroundings such as plateau, remote mountains, desert.China is a large agricultural country, peasant The half for accounting for total population is more, before the space of agricultural innovation application has infinity, agricultural equipment industry to go to platform from backstage.It is vertical Domestic greenhouse industry is seen, big, medium-sized and small enterprises is irregular, and the greenhouse project quality of landing is naturally also far from each other.
China western region inland region, drought, annual precipitation are few, and serious water shortage causes to be difficult to realize agricultural planting;I The Island of state, surrounding are surrounded by sea, and purged with fresh water difficulty is big, at high cost, therefore agricultural water shortage.
Chinese patent CN2051204557 U discloses a kind of photovoltaic agricultural greenhouse clean energy resource system, including too Positive energy photovoltaic generating system, ground-source heat pump system, drip irrigation system and light supplementing lamp for plants, solar photovoltaic generation system produce Raw electric energy supply ground-source heat pump system, drip irrigation system and the light supplementing lamp for plants, this system combination earth source heat pump Technology and drip irrigation economize technology, provide crops in photovoltaic green-house needed with water and temperature condition, entire photovoltaic agriculture The energy sources of industry greenhouse system can guarantee agriculture to environment without any pollution in this clean energy resource of photovoltaic electric energy The spatter property of crop growth environment, extra electric energy can be incorporated to national grid by grid-connected mode, be a kind of high-efficiency agriculture The high-tech ecosystem.But the program does not solve the problems, such as water shortage, highly energy-consuming in existing agricultural greenhouse plantation.
Chinese patent CN107996209 A provides a kind of intelligent environment protection planting greenhouse, is used for planting plants, including top Canopy, side wall, sensor, controller and operating terminal, include rainwater-collecting slot on the ceiling, and rainwater-collecting slot is connected to one Water tank, the rainwater-collecting slot lower section are provided with flexible thin-film solar component, and the sensor includes multiple sensors, is passed Sensor detects humidity, illumination, temperature in greenhouse, and the controller obtains the test data of multiple sensors, and according to test number According to control operating terminal, solve the problems, such as that current intelligent environment protection planting greenhouse intelligence degree is not high.The program makes full use of Natural precipitation resource is improved the production efficiency of the production efficiency of greenhouse, but is not appropriate for the water-deficient areas such as China western part.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of agricultural greenhouse self-sufficiency water system, It is intended that the thermal energy being dehydrated using the energy of sunlight mid-infrared light as adsorbent material, remaining light is used as the life of plant It is long, to realize the ladder utilization to sunlight, while greenhouse self-water-supply function is realized, alleviates short water supply problem.
To achieve the above object, the invention proposes a kind of agricultural greenhouse self-sufficiency water systems, which is characterized in that including being set to Optical system in greenhouse connect sending for setting set on the water manufacturing system of the optical system side and with the water manufacturing system Blower;
Wherein, the optical system include Fresnel Lenses, it is first at the Fresnel Lenses focal point recessed Mirror, the sunlight frequency limit reflecting glass below first concavees lens, the sunlight frequency limit reflecting glass lower section are equipped with Second concavees lens, the Fresnel Lenses are used to after sunlight to be carried out to linear concentrator be translated into through first concavees lens Directional light, the sunlight frequency limit reflecting glass are used for the infrared light reflection in the directional light to the water manufacturing system;
The water manufacturing system includes insulating layer, coating for selective absorption and water adsorption layer, the water adsorption layer packet Sorbing material layer and metal heat-conduction bar are included,
The insulating layer can transmit the infrared light of the sunlight frequency limit reflecting glass reflection, the selection absorbing coating For converting thermal energy for the infrared light of the reflection, described metal heat-conduction bar one end is connect with the coating for selective absorption, One end is through the sorbing material layer, for by the hot thermal energy conduction of the selection absorbing coating conversion to the adsorption material The bed of material is desorbed water for the sorbing material layer and provides energy, and the moisture that the adsorbent material is used to adsorb flow through in its air is simultaneously Absorb the heat of metal heat-conduction bar transmitting and lower than liquid water boiling point at a temperature of adsorbed water desorption generated Liquid water.
Further, the number of the water adsorption layer is multiple, and the multiple water adsorption layer arranged for interval, which is formed, to be used In the snakelike air flue of air circulation.
Further, described snakelike air flue one end is connect with the pressure fan, and collection is arranged below in the water manufacturing system The side of water tank, the header tank is equipped with water pipe.
Further, the water unit processed includes porous barrier, and the porous barrier is set to the adsorbent material and access Between layer, the stream of liquid water when increasing the contact area and adsorbent material desorption moisture of the adsorbent material and air Out.
Further, the number of the metal heat-conduction bar is that the multiple and described metal heat-conduction bar runs through multiple water units processed simultaneously It is removably connect with the multiple water unit processed.
Further, between the selection absorbing coating and the adsorbent material and inside of the adsorbent material is set There is metal floor, the metal floor is fixedly connected with the metal heat-conduction bar.
Further, the adsorbent material is SiO2·nH2O·yCaCl2
Further, the insulating layer is vacuum glass layer.
Further, described to select absorbing coating to be coated with the sheet metal of solar selectively absorbing material.
Further, the covering central angle of the Fresnel Lenses is no more than 150 °, it is preferred that the Fresnel Lenses Covering central angle is 120 °.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, mainly have below Technological merit:
1. agricultural greenhouse self-sufficiency water system of the invention, sunlight is carried out line by Fresnel Lenses and concavees lens by daytime Property optically focused after be converted into directional light, and will select to inhale on infrared light reflection to water manufacturing system using sunlight frequency limit reflecting glass The property received coating converts thermal energy for infrared energy and provides required energy for adsorbent material dehydration, and adsorbent material is at night Absorption flows through the moisture in its air and absorbs the heat of the metal heat-conduction bar transmitting on daytime and boil lower than liquid water Adsorbed water desorption is generated into liquid water at a temperature of point, is utilized by this ladder to sunlight, realizes greenhouse Self-water-supply function provides agricultural water in water-deficient area, meanwhile, the second concavees lens below sunlight frequency limit reflecting glass will Diverging light is converted to by the directional light that frequency limit reflecting glass transmits, energy needed for providing growth for the crops in greenhouse is real Now the ladder of sunlight is utilized.
2. agricultural greenhouse self-sufficiency water system of the invention, multiple water adsorption layer arranged for interval are formed for air circulation Surrounding air outside greenhouse is sent into inside adsorbent material by snakelike air flue, pressure fan by snakelike air flue, further Expand the contact area of adsorbent material and air, improves adsorbent material water-taking efficiency and dehydration rate.
3. agricultural greenhouse self-sufficiency water system of the invention, water unit processed includes porous barrier, and the porous barrier is set to institute It states between adsorbent material and passage layers, increases the contact area and adsorbent material desorption water of the adsorbent material and air The outflow of timesharing liquid water.
4. agricultural greenhouse self-sufficiency water system of the invention, the number of metal heat-conduction bar is that the multiple and described metal heat-conduction bar passes through It wears multiple water units processed and is removably connect with the multiple water unit processed, increase contact of the metal heat-conduction bar with adsorbent material Area, accelerated heat conduction is to accelerate the speed that moisture is desorbed in adsorbent material.
5. agricultural greenhouse self-sufficiency water system of the invention selects between absorbing coating and the adsorbent material and described The inside of adsorbent material is equipped with metal floor, and the metal floor is fixedly connected with the metal heat-conduction bar, thus effectively will be golden The even heat for belonging to heat conductive rod quickly passes to adsorbent material, so that it is de- to accelerate adsorbent material to further speed up heat conduction The speed of attached water point.
6. agricultural greenhouse self-sufficiency water system of the invention, adsorbent material SiO2·nH2O·yCaCl2, in adsorption process In, a part of vapor and CaCl2It reacts and generates complex compound, some vapor is inhaled due to intermolecular active force It invests on the hole wall of Bio-sil, has the characteristics that the adsorption rate of compound adsorbent is fast, large amount of adsorption, be conducive to from air Generation liquid water can be directly desorbed in addition, the material separately has desorption temperature lower in water intaking, and is desorbed more thoroughly excellent Point, to be conducive to the most of moisture inside and outside greenhouse in convected air becoming available liquid water.
7. agricultural greenhouse self-sufficiency water system of the invention, the setting of glass evacuated insulating layer can reduce heat transfer and heat is right The loss of stream improves energy conversion efficiency, and water unit other surfaces processed are equipped with thermal insulation material, to reduce water unit processed and the external world Heat loss.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram at agricultural greenhouse self-sufficiency water system moment at high noon of the embodiment of the present invention;
Fig. 2 is a kind of structural schematic diagram at agricultural greenhouse self-sufficiency water system of the embodiment of the present invention at the moment in the morning;
Fig. 3 is a kind of structural schematic diagram at agricultural greenhouse self-sufficiency water system of the embodiment of the present invention at the moment in the afternoon;
Fig. 4 be the present embodiments relate to water manufacturing system structural profile illustration;
Fig. 5 be the present embodiments relate to water manufacturing system work by day the structural schematic diagram of state;
Fig. 6 be the present embodiments relate to water manufacturing system night operation state structural schematic diagram;
Fig. 7 is a kind of flow chart of agricultural greenhouse self-sufficiency water system of the embodiment of the present invention.
In all the appended drawings, same appended drawing reference indicates identical technical characteristic, specifically: 1- sunlight, 2- optics System, 3- water manufacturing system, 4- greenhouse body, 5- water pipe, 6- header tank, 7- pressure fan, 201- Fresnel Lenses, 202- first are recessed Lens, 203- sunlight frequency limit reflecting glass, the second concavees lens of 204-, 301- insulating layer, 302- select absorbing coating, 303- Mental-finned, 304- adsorbent material, 305- porous barrier, the snakelike air flue of 306-, 307- night humid air, 308- can be opened and closed Porous barrier, 309- metal heat-conduction bar.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below Not constituting a conflict with each other can be combined with each other.
As shown in Figure 1, Figure 2 and shown in Fig. 3, a kind of agricultural greenhouse self-sufficiency water system of the invention includes optical system 2 and system Water system 3.For the setting of optical system 2 in plastic house film inner surface, optical system 2 includes Fresnel Lenses 201, the first concavees lens 202, sunlight frequency limit reflecting glass 203, the second concavees lens 204.Fresnel Lenses 201 is mounted on plastic house film inner surface, It covers central angle and is no more than 150 °, it is preferred that it is 120 ° that it, which covers central angle, guarantees system at light application time (7am~5pm) The sunlight that internal reference is mapped to lens surface carries out linear concentrator.Sunlight after convergence comes as main energetic of the invention Source.The lower section of Fresnel Lenses 201, and the coke of the first concavees lens 202 and Fresnel Lenses 201 is arranged in first concavees lens 202 Point is identical, and the sunlight after convergence is converted to directional light by the first concavees lens 201 placed with the confocal point of Fresnel Lenses, so as to In subsequent scaling down processing.Directional light is irradiated to again at sunlight frequency limit reflecting glass 203, and wavelength is between 700nm-2500nm Near infrared light by 203 reflected illumination to the water manufacturing system 3 for being located at optical system side of sunlight frequency limit reflecting glass, as The energy source of water manufacturing system 3.Other visible light-transmissive sunlight frequency limit reflecting glasses 203 in directional light are recessed through second again Mirror 204 is converted to non-parallel light, provides growth light source for crops in canopy.
As shown in Fig. 4, Fig. 5 and Fig. 6, water manufacturing system of the present invention is mainly consisted of three layers: solar energy conversion coating, Water adsorption layer and snakelike air flue.The solar energy conversion coating is mainly used for converting solar energy into sorbent material dehydration Required thermal energy comprising selection absorbing coating 302 makes for absorbing the energy of the near infrared light after frequency limit reflects Device heating.Select absorbing coating 302 side be equipped with adsorbent material 304, for night absorption air in moisture and Daytime carries out dehydration after high-temperature heating and generates liquid water.Adsorbent material 304 is close to mental-finned 303, for that will select The thermal energy for selecting the conversion of absorbing coating 302 quickly passes to adsorbent material 304.Metal heat-conduction bar 309 is applied in adsorbent material 304 In, it assists the thermal energy that coating for selective absorption 302 converts preferably passing to adsorbent material 304.It is set inside adsorbent material 304 There is snakelike air flue 306, snakelike 306 one end of air flue is connect with pressure fan 7, the environment outside the other end and greenhouse body 1 Atmosphere communicates, and the gas outside greenhouse body 1 is sent to snakelike air flue 306, cooling adsorbent material 304 and to inhale by pressure fan 7 Enclosure material 304 provides water source.It is equipped with porous barrier 305 between adsorbent material 304 and snakelike air flue 306, on the one hand increases The contact area of ventilating air in adsorbent material 304 and snakelike air flue 306, it is de- to be on the other hand conducive to adsorbent material 304 The outflow of liquid water after water reaction.The lower part of water manufacturing system 3 is equipped with header tank 6, after collecting 304 dehydration of adsorbent material The liquid water of generation.The side of header tank 6 is equipped with water pipe 5, for the water in header tank 6 to be extracted the plant irrigated in greenhouse Object.
As the preferred embodiment of the present embodiment, select that insulating layer 301 is arranged in front of absorbing coating 302, it is preferred that heat preservation Layer 301 is glass evacuated insulating layer.
As the preferred embodiment of the present embodiment, absorbing coating is selected to be close to mental-finned 303, selection absorbability can be applied The energy that layer 302 absorbs quickly is transferred to adsorbent material 304 by mental-finned 303, accelerates the dehydration of adsorbent material.
As the preferred embodiment of the present embodiment, water manufacturing system 3 is by the snakelike air flue 306 and 304 groups of adsorbent material At adsorbent material 304 is spaced apart, and the space at interval is snakelike air flue 306, further expansion adsorbent material 304 and sky The contact area of gas improves water-taking efficiency.
As the preferred embodiment of the present embodiment, absorbing coating 302 is selected to be coated with solar energy and selecting absorbent material Metal thin-wall.
As the preferred embodiment of the present embodiment, adsorbent material 304 is compound adsorbent SiO2·nH2O·yCaCl2.Silica gel It is a kind of hard, porous structure solid particle, molecular formula SiO2·nH2O proves that it is porous SiO through X-ray diffraction2, The pore size that its skeleton is formed makes silica gel have different specific surface areas, bulk density, aperture and Kong Rong.Silochrom Specific surface area is about 580m2/ g or so.CaCl2And H2O can occur reversible chemical reaction and generate hydrate (CaCl2·H2O、 CaCl2·2H2O、CaCl2·4H2O、CaCl2·6H2O), molecule at most adsorbable 6 H2O molecule.Specific reaction process are as follows:
CaCl2+H2O=CaCl2·H2O
CaCl2·H2O+H2O=CaCl2·2H2O
CaCl2·2H2O+2H2O=CaCl2·4H2O
CaCl2·4H2O+2H2O=CaCl2·6H2O
Work as CaCl2When being distributed in the duct of silica gel, the vapor in air enters silica gel duct by diffusion, by The high-specific surface area of silica gel increases CaCl2With the contact area of vapor, this also enhances CaCl2With reacting for vapor.It is inhaling During attached, a part of vapor and CaCl2React and generate complex compound, this for some vapor of chemisorption by In on the hole wall that intermolecular active force is adsorbed in silica gel, this is physical absorption.Compound adsorbent SiO2·nH2O·yCaCl2 Have the characteristics that the adsorption rate of compound adsorbent is fast, large amount of adsorption, is conducive to night air water-intaking.
Hydrate (CaCl2·H2O、CaCl2·2H2O、CaCl2·4H2O、CaCl2·6H2O) under conditions of 60 ° to 80 ° Desorption reaction occurs, uses the moisture abjection of absorption for greenhouse conducive to daytime.
In northwest China area, summer climate drying, high temperature.If adsorption process was carried out at night, temperature can be than flat Equal temperature is low, relative humidity is higher than medial humidity, this is more advantageous to the increase of adsorbance and the quickening of adsorption rate.Meanwhile it is white Its intensity of illumination is big, and temperature is high, and desorption reaction carries out on daytime, is conducive to the desorption reaction for accelerating adsorbent material.Therefore, this Compound adsorbent low humidity, high temperature weather conditions under also have superior absorption property.
As shown in fig. 7, the workflow of the embodiment of the present invention is as follows:
At night, start pressure fan, the air outside greenhouse is sucked water manufacturing system by pressure fan, and air is in snakelike air flue It is come into full contact with adsorbent material, the moisture in cooling air simultaneously is carried out to adsorbent material and is adsorbed material absorption, after dehydration Air is discharged from outlet.On daytime, pressure fan is out of service, and sunlight carries out linear concentrator by the Fresnel Lenses at the top of greenhouse And directional light is converted by the first concavees lens and is radiated on sunlight frequency limit reflecting glass, wherein near infrared light is by sunlight Frequency limit reflecting glass is reflected into water manufacturing system and provides thermal energy for water processed, and it is recessed that remaining sunlight through frequency limit reflecting glass is transmitted through second Lens are simultaneously converted to diverging light, provide light source for plant growth.The close of water manufacturing system is reflected by sunlight frequency limit reflecting glass The glass evacuated insulating layer of infrared light be radiated at selection absorbing coating on be converted to heat, the heat by metal floor with And metal heat-conduction bar is quickly transmitted to adsorbent material various places inside.Desorption reaction occurs after adsorbent material is heated, by night from sky The hydrolysis adsorbed in gas sucks out to form liquid water, and water can be opened and closed porous barrier by bottom and flow into header tank, will finally catchment Water in case extracts the plant irrigated in greenhouse by water pipe.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include Within protection scope of the present invention.

Claims (10)

1. a kind of agricultural greenhouse self-sufficiency water system, which is characterized in that including be set in greenhouse optical system (2), be set to it is described The water manufacturing system (3) of optical system (2) side and the pressure fan (7) that setting is connect with the water manufacturing system (3);
Wherein, the optical system (2) includes Fresnel Lenses (201), is set at the Fresnel Lenses (201) focal point First concavees lens (202), the sunlight frequency limit reflecting glass (203) being set to below first concavees lens (202), the sun The second concavees lens (204) are equipped with below light frequency limit reflecting glass, the Fresnel Lenses (201) is used to carry out sunlight linear It is translated into directional light through first concavees lens (202) after optically focused, the sunlight frequency limit reflecting glass (203) is used for will On infrared light reflection to the water manufacturing system (3) in the directional light;
The water manufacturing system (3) includes insulating layer (301), coating for selective absorption (302) and water adsorption layer, the moisture Adsorption layer includes sorbing material layer (304) and metal heat-conduction bar (309),
The insulating layer (301) can transmit the infrared light of sunlight frequency limit reflecting glass (203) reflection, and the selection absorbs Property coating (302) be used to convert thermal energy for the infrared light of the reflection, described metal heat-conduction bar (309) one end and the selection Property absorber coatings (302) connect, one end is through the sorbing material layer (304), for by the selection absorbing coating (302) the hot thermal energy conduction converted is desorbed water to the sorbing material layer (304) for the sorbing material layer (304) and provides energy Amount, the adsorbent material (304) is for adsorbing the moisture flowed through in its air and absorbing the metal heat-conduction bar (309) transmitting Heat and lower than liquid water boiling point at a temperature of by adsorbed water desorption generate liquid water.
2. a kind of agricultural greenhouse self-sufficiency water system as described in claim 1, which is characterized in that the water adsorption layer is provided with Multiple, the multiple water adsorption layer arranged for interval forms the snakelike air flue (306) for being used for air circulation.
3. a kind of agricultural greenhouse self-sufficiency water system as claimed in claim 2, which is characterized in that the snakelike air flue (306) one end is connect with the pressure fan (7), and the water manufacturing system (3) is arranged below header tank (6), the header tank (6) Side is equipped with water pipe (5).
4. a kind of agricultural greenhouse self-sufficiency water system as claimed in claim 2 or claim 3, which is characterized in that the water unit processed includes Porous barrier (305), the porous barrier (305) are set between the adsorbent material (304) and passage layers (306), increase institute The outflow of liquid water when stating the contact area and the adsorbent material (304) desorption moisture of adsorbent material (304) and air.
5. such as a kind of described in any item agricultural greenhouse self-sufficiency water systems of claim 2-4, which is characterized in that the metal heat-conducting Stick (309) is provided with the multiple and described metal heat-conduction bar (309) through multiple water units processed and can with the multiple water unit processed The connection of disassembly.
6. such as a kind of described in any item agricultural greenhouse self-sufficiency water systems of claim 2-5, which is characterized in that the selection absorbs Property coating (302) and the adsorbent material (304) between and the adsorbent material (304) inside be equipped with metal floor (303), the metal floor (303) is fixedly connected with the metal heat-conduction bar.
7. a kind of agricultural greenhouse self-sufficiency water system as described in claim 1, which is characterized in that the adsorbent material is SiO2· nH2O·yCaCl2
8. a kind of agricultural greenhouse self-sufficiency water system as described in claim 1, which is characterized in that the insulating layer (301) is true Empty glassy layer.
9. a kind of agricultural greenhouse self-sufficiency water system as described in claim 1, which is characterized in that the selection absorbing coating It (302) is the sheet metal for being coated with solar selectively absorbing material.
10. a kind of agricultural greenhouse self-sufficiency water system as claimed in any one of claims 1-9 wherein, which is characterized in that the phenanthrene alunite The covering central angle of your lens (201) is no more than 150 °, it is preferred that the covering central angle of the Fresnel Lenses (201) is 120°。
CN201810870140.2A 2018-08-02 2018-08-02 A kind of agricultural greenhouse self-sufficiency water system Pending CN108925309A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110771397A (en) * 2019-11-04 2020-02-11 黄晓艳 From focusing type new forms of energy green house
CN110771399A (en) * 2019-11-06 2020-02-11 丁晶 Even light type new forms of energy green house
CN110771398A (en) * 2019-11-06 2020-02-11 丁晶 Spotlight conversion type agricultural new forms of energy big-arch shelter
CN110786185A (en) * 2019-11-04 2020-02-14 黄晓艳 New energy agriculture greenhouse for improving crop photosynthetic efficiency

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110771397A (en) * 2019-11-04 2020-02-11 黄晓艳 From focusing type new forms of energy green house
CN110786185A (en) * 2019-11-04 2020-02-14 黄晓艳 New energy agriculture greenhouse for improving crop photosynthetic efficiency
CN110771399A (en) * 2019-11-06 2020-02-11 丁晶 Even light type new forms of energy green house
CN110771398A (en) * 2019-11-06 2020-02-11 丁晶 Spotlight conversion type agricultural new forms of energy big-arch shelter

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