CN108633541A - A kind of self-produced fresh water planting unit of the solar energy that can be directly irrigated with seawater - Google Patents
A kind of self-produced fresh water planting unit of the solar energy that can be directly irrigated with seawater Download PDFInfo
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- CN108633541A CN108633541A CN201810358228.6A CN201810358228A CN108633541A CN 108633541 A CN108633541 A CN 108633541A CN 201810358228 A CN201810358228 A CN 201810358228A CN 108633541 A CN108633541 A CN 108633541A
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- Prior art keywords
- seawater
- water
- chamber
- fresh water
- solar energy
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G27/00—Self-acting watering devices, e.g. for flower-pots
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- 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
Abstract
The present invention is a kind of self-produced fresh water planting unit of the solar energy that can be directly irrigated with seawater, belongs to Salar light-gathering and utilizes and novel agricultural facility technology field.The planting unit is made of several parts such as investigation on several focus reflectors, seawater slot, condensation chamber and plantation chambers, plants and water-absorbent material and soil are housed in chamber.Sunlight enters device from the transparent cover plate on device top, reflects through the reflector inside device and is projected directly in seawater slot via the light-transmitting plate of lower part, and the Absorption by Sea Water sunlight in seawater slot is final to realize evaporation of seawater process to promote its temperature.Steam condenses into fresh water in condensation inner cavity surface and is transported to the bottom of plantation chamber, and plantation intracavitary is mounted with water-absorbent material, and water-absorbent material through capillary action absorbs water and is transported in the planting soil of upper part, is used for plant growth.Seawater desalination system and plant planting system are condensed into an overall structure by the device, and can largely be spliced, and are realized extensive sea water desalination or are utilized seawater planting crop.
Description
Technical field
The present invention relates to a kind of self-produced fresh water planting units of the solar energy that can be directly irrigated with seawater.It is carried out using solar energy
Sea water desalination is simultaneously applied to agricultural planting engineering, belongs to Salar light-gathering and utilizes and novel agricultural facility technology field.
Background technology
The many areas in the world all have that freshwater resources and land resource critical shortage, crop irrigation occupy ground
70% freshwater resources on ball, and the nervous deficient problem of irrigation is increasingly prominent, if solar energy can be utilized to carry out sea water desalination, side
Just efficiently production fresh water and the crop growth that supplies nearby, not only solve the problems, such as shortage of fresh water, but also energy solution agricultural land is tight
Difficulty is opened, that will realize hope of the people to Marine agriculture engineering.
On the other hand, a large amount of traditional energies can both be saved by carrying out sea water desalination using solar energy, and it is dirty also to can avoid environment
Dye, therefore the unremitting method pursued using solar energy progress sea water desalination of people.Nearly one over 100 years, people to using solar energy into
Row sea water desalination is made that great efforts, however, desalination with Solar Energy is still unable to large-scale promotion utilization so far, it is former
It can not compare favourably at present with traditional industrialization seawater desalination system because being its economy.
Analysis shows the main reason for causing solar seawater desalination economic cost excessively high has：(1) traditional solar energy sea water
Desalination system is mainly made of solar thermal collector, thermal storage device and desalination apparatus three parts, and the pipe of tediously long pipeline is needed between three
Road is connected with each other, and causes heat transmission resistance big and pipeline heat loss increases, cause overall system efficiency not high.(2) solar energy heating
The construction cost of system is excessively high.According to analysis, solar seawater desalination system has about 80% cost to come from solar thermal collector
End.(3) solar thermal collection system takes up a large area, and cost of floor space is high, this place in short supply to land resource is particularly disadvantageous, also increases
The management cost of system is added.Therefore, solar thermal collector and fresh-water generator are combined as a whole, omit many intermediate links
Solar seawater desalination system be a good thinking.
For the seawater irrigation of agriculture project, researcher has been carried out many trials, but people's development at this stage
Marine agriculture thinking is confined to crops how to be made to receive seawater directly to fill, or kind on the ship in ocean and offshore land
It plants plant and desalting plant is installed to obtain fresh water.But not all plant can receive seawater and directly fill, and at offshore
Traditional seawater desalination system is arranged, and not only land occupation resource is also required to interminable transfer pipeline fresh water is transported to farmland, and
And traditional desalination technology will also result in environmental pollution, therefore these are not the hair of most direct most effective Marine agriculture
Exhibition approach.
In conclusion for Development of Marine agriculture project, need to solve two large problems：Fresh water and plantation substratess.If energy
It combines both, will be a completely new idea.In view of the above problems, the present invention proposes a kind of can directly be irrigated with seawater
The technical solution of the self-produced fresh water planting unit of solar energy.
Invention content
The present invention provides a kind of self-produced fresh water planting units of the solar energy that can be directly irrigated with seawater.The device can profit
Solar seawater desalination is directly carried out with internal structure, and plant fresh water demand and growing space are provided.Its sharpest edges are exactly will
Seawater desalination system and implant system are combined into one, and are become the system of a concentration, are eliminated heat transfer and the transmission process of pipeline,
To reduce the transmission resistance of energy, while fresh water is produced using the plantation gap of crops, is not take up extra land area, saves
About agricultural irrigation cost.Therefore the present situation in short supply for alleviating freshwater resources and land resource, simplifies seawater desalination system
With crops irrigation system.
A kind of self-produced fresh water planting unit of the solar energy that can be directly irrigated with seawater, which includes investigation on several focus reflectors, two
Secondary reflector, light-transmission top plate, bottom light-transmitting plate, seawater slot, water-absorbent material, water accepting layer, plantation chamber, condensation chamber, baffle, bottom
Several parts such as plate, U-lag, laser pump cavity, outside riser, inside riser, crop.Their connection relation is as follows, investigation on several focus reflectors
Lower end be connected with the upper end of secondary counter tabula rasa, the lower end of secondary counter tabula rasa and the both ends of bottom light-transmitting plate are tightly connected, optically focused
Reflector top is connected with the both ends of light-transmission top plate, constitutes a complete laser pump cavity.By outside riser and inside riser and
Bottom plate constitutes plantation chamber, the upper end of laser pump cavity and plantation chamber) upper end seals and is connected, the lower part of chamber is planted via U-lag and optically focused
The bottom plate connection connection of chamber lower part, seawater slot is placed in the top of bottom plate and immediately below the light-transmitting plate of bottom, so by laser pump cavity
Side riser and bottom plate constitute the condensation chamber of an air seal.Have for the soil needed for plant growth, soil top in plantation chamber
Planting plants, soil lower part are water accepting layer, and water accepting layer lower part is equipped with baffle, baffle) trepanning and water-absorbent material is installed.Work is former
Reason：When the device works, sunlight is irradiated to by light-transmission top plate on investigation on several focus reflectors reflecting surface, and secondary reflecting is reflected onto
On plate, then by secondary reflection plate the seawater surface in seawater slot is reflected light to through bottom light-transmitting plate, form optically focused, obtain high temperature
Thermal energy.
Seawater can be injected in seawater slot, seawater is entered by thermal evaporation, the steam of generation in condensation chamber, and is coagulated to the cold there
Knot generates fresh water.Cryosurface in condensation chamber is in contact with water accepting layer and plantation chamber and therefore has lower temperature, is that hot steam is cold
It is solidifying to create condition.In order to avoid external miscellaneous dirt and steam enter laser pump cavity, at the light inlet and light-emitting window of investigation on several focus reflectors
Light-transmission top plate and bottom light-transmitting plate are installed additional.The hot steam that U-type groove can prevent is revealed from plantation cavity, influences to produce water
Effect
Fresh water in water-absorbent material absorption condensation chamber is simultaneously transported in water accepting layer, is planted in chamber and is placed with soil, soil
Earth absorbs fresh water from water accepting layer and is produced and used for crop.For the ease of producing and using, which can be designed to two-dimensional slot
Formula structure.
The beneficial effects of the invention are as follows：
(1) collecting system is integrated with seawater desalination system, heat transfer and the transmission process of pipeline are eliminated, to reduce
The transmission resistance of energy.
(2) it is directly irrigated using seawater, seawater desalination system and implant system is combined into one, become a concentration
System, while using crops Planting Row Distance gap produce fresh water, be not take up extra land area, saved agricultural irrigation
And planting cost.
(3) such device can be manufactured completely with organic transparent material, and user both can directly collect fresh water and be used to drink,
It can also be applied to agriculture project to irrigate and plant.Extensive horizontally-spliced, realization environmental protection low cost may be implemented in such structure
Seawater agriculture engineering.
Description of the drawings
Fig. 1 is the unit section structure chart of the present invention；
Fig. 2 is the integrated optically focused of the embodiment of the present invention-condensation space structure principle chart；
Fig. 3 is the seawater planting structure principle chart that the embodiment of the present invention carries thermal insulation layer；
Fig. 4 is that the embodiment of the present invention is provided with the seawater planting structure principle chart for tilting investigation on several focus reflectors
Fig. 5 is the self-produced fresh water planting unit schematic diagram of solar energy that the embodiment of the present invention can be horizontally-spliced.
Wherein, 1- investigation on several focus reflectors；2- secondary counter tabula rasas；3- light-transmission top plates；The bottoms 4- light-transmitting plate；5- seawater slots；6-
Water-absorbent material；7- water accepting layers；8- kinds plant chamber；9- condensation chambers；10- baffles；11- bottom plates；12-U shape slots；13- laser pump cavities；Outside 14-
Side riser；Riser on the inside of 15-；16- crops；The inclined light-transmission top plates of 17-；18- water outlets；Condensation chamber built in 19-；20- is saturating
Bright seawater slot；21- thermal insulation layers；The inclined investigation on several focus reflectors of 22-.
Specific implementation mode
The present invention will now be described in detail with reference to the accompanying drawings and examples.
As shown in Fig. 1, the present invention provides a kind of self-produced fresh water planting unit of the solar energy that can be directly irrigated with seawater,
The structure include investigation on several focus reflectors (1), secondary counter tabula rasa (2), light-transmission top plate (3), bottom light-transmitting plate (4), seawater slot (5),
Water-absorbent material (6), water accepting layer (7), plantation chamber (8), condensation chamber (9), baffle (10), bottom plate (11), U-lag (12), laser pump cavity
(13), several parts such as outside riser (14), inside riser (15), crop (16).Sunlight is irradiated to by light-transmission top plate (3)
It on investigation on several focus reflectors (1) reflecting surface, is reflected onto on secondary counter tabula rasa (2), then by secondary reflection plate (2) through bottom light-transmitting plate
(4) seawater surface in seawater slot (5) is reflected light to, optically focused is formed, obtains high temperature heat.Seawater in seawater slot (5) by
The steam of thermal evaporation, generation enters in condensation chamber (9), and condensation generates fresh water to the cold there.In order to avoid external miscellaneous dirt and
Steam enters laser pump cavity, has installed light-transmission top plate (3) and bottom light transmission additional at the light inlet and light-emitting window of investigation on several focus reflectors (1)
Plate (4).Fresh water in water-absorbent material (6) absorption condensation chamber (9) is simultaneously transported in water accepting layer (7), is placed in plantation chamber (8)
There are soil, soil to absorb fresh water from water accepting layer (7) for planting crop (16) production and application wherein.
As shown in Fig. 2, it is optically focused-condensation space pattern of farming schematic diagram of integration.Integrated laser pump cavity and interior
Condensation chamber (13) design is set, the reflecting plate and inside riser (15) of investigation on several focus reflectors (1) are combined into one, investigation on several focus reflectors (1)
Top is equipped with inclined light-transmission top plate (17).In investigation on several focus reflectors (1) bottom, it is equipped with transparent seawater slot (20), sunlight penetrates
The baffle of transparent seawater slot (20) heats and evaporates seawater, and steam condenses into fresh water at inclined light-transmission top plate (17), and
Investigation on several focus reflectors (1) bottom can be flowed into along inclined light-transmission top plate (17) and is exported through apopore (20).
As shown in Fig. 3, it is the seawater planting structure principle chart with thermal insulation layer.Thermal insulation layer (21) is arranged in condensation chamber
(9) between plantation chamber (8), thermal insulation layer (21) upper end is contacted with air, and inner air exchanges heat with the external world, can be condensation chamber
(9) interior hot steam creates conditions in condensing wall condensation, while can also completely cut off condensing wall and deliver heat to plantation chamber (8), avoids soil
Earth overheat is unfavorable for crop (16) growth.
As shown in Fig. 4, for be provided with tilt investigation on several focus reflectors seawater planting structure principle chart.Vertical optically focused is anti-
Emitter is tilted a certain angle, and forms inclined investigation on several focus reflectors (22).Inclined investigation on several focus reflectors (22) is more advantageous to collection too
Sunlight increases fresh water yield.
As shown in Fig. 5, be can be horizontally-spliced the self-produced fresh water planting unit schematic diagram of solar energy.It can be direct with seawater
The self-produced fresh water planting unit cellular construction of solar energy of irrigation can carry out it is arbitrary horizontally-spliced, formed extensive sea water desalination or
Seawater agriculture engineering.
Claims (4)
1. a kind of self-produced fresh water planting unit of the solar energy that can be directly irrigated with seawater.It is characterized in that：Described device includes poly-
Reflective optical system (1), secondary counter tabula rasa (2), light-transmission top plate (3), bottom light-transmitting plate (4), seawater slot (5), water-absorbent material (6),
Water accepting layer (7), plantation chamber (8), condensation chamber (9), baffle (10), bottom plate (11), U-lag (12), laser pump cavity (13), outside riser
(14), several parts such as inside riser (15), crop (16)；Their connection relation is as follows, the lower end and two of investigation on several focus reflectors (1)
The upper end of secondary reflector (2) is connected, and the lower end of secondary counter tabula rasa (2) is tightly connected with the both ends of bottom light-transmitting plate (4), and optically focused is anti-
Emitter (1) top is connected with the both ends of light-transmission top plate (3), constitutes a complete laser pump cavity (13).By outside riser (15)
Plantation chamber (8) is constituted with inside riser (14) and bottom plate (11), the upper end of laser pump cavity is connected with the sealing of plantation chamber (8) upper end, plants
The lower part for planting chamber (8) is connected to connection via U-lag (12) with the bottom plate (11) of laser pump cavity lower part, and seawater slot (5) is placed in bottom plate
(11) top and immediately below bottom light-transmitting plate (4), is so made of laser pump cavity (13), inside riser (15) and bottom plate (11)
The condensation chamber (9) of one air seal.Have for the soil needed for plant growth, soil top planting plants in plantation chamber (8)
(16), soil lower part is water accepting layer (7), and water accepting layer (7) lower part is equipped with baffle (10), and baffle (10) trepanning is simultaneously equipped with water-absorption material
Expect (6).
2. a kind of self-produced fresh water planting unit of the solar energy that can be directly irrigated with seawater according to claim 1, special
Sign is：Sunray can be assembled containing laser pump cavity (13) inside planting unit and directly heat seawater production in seawater slot (5)
Raw steam simultaneously directly feeds connected plantation chamber (8) in condensation chamber (9) inner surface condensation generation fresh water.
3. a kind of self-produced fresh water planting unit of the solar energy that can be directly irrigated with seawater according to claim 1, special
Sign is：The pattern of farming that seawater slot (5), condensation chamber (9) and plantation chamber (8) are constituted can be with the fresh water that itself is generated by inhaling
Fresh water is absorbed into water accepting layer (7) and directly feeds crop (16) growth planted in chamber (8) by water material (6).
4. a kind of self-produced fresh water planting unit of the solar energy that can be directly irrigated with seawater according to claim 1, special
Sign is：Laser pump cavity (13) and plantation chamber (8) can carry out laterally a large amount of splicings according to demand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810358228.6A CN108633541B (en) | 2018-04-20 | 2018-04-20 | Solar self-producing fresh water planting device capable of being directly irrigated by seawater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810358228.6A CN108633541B (en) | 2018-04-20 | 2018-04-20 | Solar self-producing fresh water planting device capable of being directly irrigated by seawater |
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| Publication Number | Publication Date |
|---|---|
| CN108633541A true CN108633541A (en) | 2018-10-12 |
| CN108633541B CN108633541B (en) | 2022-07-01 |
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| CN201810358228.6A Active CN108633541B (en) | 2018-04-20 | 2018-04-20 | Solar self-producing fresh water planting device capable of being directly irrigated by seawater |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109496785A (en) * | 2018-11-05 | 2019-03-22 | 张立军 | Plant water saving fixtures |
| CN109526462A (en) * | 2019-01-15 | 2019-03-29 | 河南水利与环境职业学院 | The green plant structure of Landscape Bridge |
| CN111348709A (en) * | 2020-02-12 | 2020-06-30 | 上海交通大学 | Seawater desalination and irrigation integrated full-automatic floating platform and application thereof |
| CN111689540A (en) * | 2020-07-20 | 2020-09-22 | 北京理工大学 | Floating solar light-gathering seawater desalination device driven by open heat pipe to evaporate |
| CN115226617A (en) * | 2022-07-28 | 2022-10-25 | 上海交通大学 | Offshore self-maintaining vegetable planting platform without energy consumption |
| EP4249827A1 (en) | 2022-03-22 | 2023-09-27 | Planet di Villa Alessandro & C. SAS | A passive solar still unit and a plant for treating salted water and producing salt |
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| CN115226617A (en) * | 2022-07-28 | 2022-10-25 | 上海交通大学 | Offshore self-maintaining vegetable planting platform without energy consumption |
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