CN115024134A - Clean rainwater collecting and storing system for greenhouse and collecting and storing method thereof - Google Patents
Clean rainwater collecting and storing system for greenhouse and collecting and storing method thereof Download PDFInfo
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- CN115024134A CN115024134A CN202210709606.7A CN202210709606A CN115024134A CN 115024134 A CN115024134 A CN 115024134A CN 202210709606 A CN202210709606 A CN 202210709606A CN 115024134 A CN115024134 A CN 115024134A
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- 238000003860 storage Methods 0.000 claims abstract description 92
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- 235000013399 edible fruits Nutrition 0.000 description 9
- 239000012535 impurity Substances 0.000 description 9
- 235000013311 vegetables Nutrition 0.000 description 9
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- 238000003973 irrigation Methods 0.000 description 6
- 230000002262 irrigation Effects 0.000 description 6
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- 229920006255 plastic film Polymers 0.000 description 5
- 239000003621 irrigation water Substances 0.000 description 4
- 241000219112 Cucumis Species 0.000 description 3
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 3
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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
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/247—Watering arrangements
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
-
- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
-
- 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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
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Abstract
The invention relates to a clean rainwater collecting and storing system for a greenhouse and a collecting and storing method thereof. The plurality of rainwater collecting units are communicated with the water storage unit through pipelines. Rainwater on the greenhouse flows through the flow guide assembly and then is guided into the flow converging assembly. The confluence assembly comprises a confluence main body and a cover plate. The main body that converges has the concrete channel that converges, is provided with a plurality of sand sills that keep off in the concrete channel that converges. And a sand setting component is arranged on one side of the concrete confluence channel. Rainwater flows through a plurality of sand blocking sills and sand setting assemblies in sequence. The water outlet of the sand setting component of each rainwater collection unit is communicated with the water storage unit through a pipeline. Make the rainwater to the erodeing of earth's surface earth through the water conservancy diversion subassembly, the rethread converges apron and the inside husky bank that keeps off in the main part and carries out secondary and cubic filtration, deposits through the sand setting subassembly at last and carries out quartic filtration and can get into the water storage tank in and collect, has guaranteed the quality of water that the rainwater was collected.
Description
Technical Field
The invention relates to the technical field of irrigation and water conservancy, in particular to a clean rainwater collecting and storing system for a greenhouse and a collecting and storing method thereof.
Background
The agricultural plastic greenhouse provides an important greenhouse growth space for the growth of vegetables and fruits, and the vegetables or fruits in the greenhouse need to be irrigated due to the growth of the vegetables and fruits. In the irrigation process, currently, underground water is mainly used as a main irrigation water source, but for some areas lacking water resources, the irrigation of vegetables or melons and fruits becomes an important factor for restricting the development of the vegetables or melons and fruits.
Therefore, when vegetables or fruits are irrigated, the agricultural plastic greenhouse can fully utilize natural resources such as rainwater, when rainwater is sufficient in rainy seasons, the outer surface of a plastic film of the agricultural plastic greenhouse can be used as a rainwater collecting surface to be directly contacted with the rainwater, the rainwater falling on the rainwater collecting surface is collected, then the rainwater is stored, and the stored water is used as a standby irrigation water source for the vegetables or the fruits, so that the irrigation of the vegetables or the fruits is not limited by the scarcity of underground water resources, and the natural resources are fully utilized.
Current warmhouse booth all adopts the bottom front end earth's surface below at the big-arch shelter to the collection of rainwater to be provided with rainwater collection device at present, and current rainwater collection device only is through plastic film with the rainwater leading-in to the stock solution jar in, simple collection rainwater is carried out to the rethread stock solution jar, then as irrigation water source make full use of the rainwater of collecting. But the rainwater impurity that current rainwater collection device collected need pass through plastic film surface and one section ground surface before getting into the liquid storage pot again, for this reason, silt impurity in the rainwater is too much, even through long-time the sediment, still can exist a large amount of impurity in the rainwater, when irrigating vegetables melon and fruit as the water source, can appear causing the phenomenon of suction pump jam and then influence irrigation effect.
Disclosure of Invention
Technical problem to be solved
In view of the above disadvantages and shortcomings of the prior art, the present invention provides a clean rainwater collection and storage system for greenhouses and a collection and storage method thereof, which solves the technical problems that rainwater impurities collected by the existing rainwater collection device need to pass through the outer surface of a plastic film and a section of ground surface before entering a liquid storage tank, so that silt impurities in rainwater are too much, and even if the rainwater is deposited for a long time, a large amount of impurities still exist in the rainwater.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
a clean rainwater collecting and storing system for a greenhouse comprises a water storage unit and a plurality of rainwater collecting units; the plurality of rainwater collecting units are communicated with the water storage unit through pipelines;
each rainwater collecting unit is arranged at the lower part of the front end of the corresponding greenhouse and comprises a flow guide assembly and a confluence assembly; the flow guide assembly is arranged between the lower edge of the greenhouse and the confluence assembly; rainwater on the greenhouse flows through the flow guide assembly and then is guided into the confluence assembly;
the confluence assembly comprises a confluence main body with an opening and a cover plate arranged at the opening of the confluence main body;
the converging main body is provided with a concrete converging channel communicated with the opening, a plurality of sand blocking ridges are arranged in the concrete converging channel along the length direction of the greenhouse, and the plurality of sand blocking ridges are distributed in a step shape; one side of the concrete confluence channel, which is positioned at the lowermost end of the sand blocking ridge, is provided with a sand setting assembly communicated with the concrete confluence channel;
rainwater sequentially flows through the plurality of sand blocking sills and the sand setting assemblies, and the plurality of sand blocking sills and the sand setting assemblies can precipitate the rainwater;
the water outlet of the sand setting component of each rainwater collection unit is communicated with the water storage unit through a pipeline;
the water storage unit comprises a water storage tank body, a collecting pipe and a plurality of connecting pipes; the manifold pipe is provided with a plurality of openings communicated with the pipelines, and the water outlet of the manifold pipe is communicated with the water inlet of the water storage tank body; one end of each connecting pipe is respectively communicated with a plurality of water outlets of the water storage box body, the other end of each connecting pipe is respectively communicated with the greenhouse corresponding to the connecting pipe, and a water pump is arranged on each connecting pipe.
Optionally, the sand setting assembly comprises a vertical cylindrical sand setting structure body and a sand setting structure body control unit;
the sand setting structure body is provided with a water inlet and a water outlet, the water inlet of the sand setting structure body is communicated with the concrete confluence channel, the sand setting structure body is provided with a vertical cylindrical cavity, a spiral-flow type sand setting tank is arranged in the cylindrical cavity, and the spiral-flow type sand setting tank is arranged at the water inlet of the sand setting structure body;
the control unit of the sand setting structure body comprises a sand setting communicating pipeline, a flowmeter, a control gate and a control box;
one end of the sand setting communicating pipeline is communicated with a water outlet of the sand setting structure body, the other end of the sand setting communicating pipeline is communicated with a water inlet of the water storage unit, and the sand setting communicating pipeline is provided with the control gate;
the flow meter is arranged on the sand setting communicating pipeline and is electrically connected with the control box, and the flow meter can detect the amount of passing rainwater in the sand setting communicating pipeline and send the detection result to the control box;
the control box is provided with a control device, and the control device can receive the detection result of the flowmeter and send a signal to the control gate to control the opening and closing size of the control gate.
Optionally, the spiral-flow type grit chamber
Comprises a grit chamber main body and a cylindrical filter screen communicated with the grit chamber main body;
the grit chamber main body is fixedly arranged on the inner side wall of the grit structure body and is provided with a spiral groove body;
the cylindrical filter screen is arranged at the bottom of the grit chamber main body and is provided with a filter chamber communicated with the tank body; the sand basin main body, the cylindrical filter screen, the sand settling structure body and the sand settling communication pipeline are sequentially communicated to form a rainwater circulation channel.
Optionally, the spiral-flow type grit chamber still includes the drainage plate, drainage plate fixed mounting in the internal side wall of sand setting structure, the drainage plate is located the top of sand setting head main part, just set up the through-hole on the drainage plate.
Optionally, the cover plate comprises a plurality of cover plate units, and adjacent cover plate units are mutually matched and connected through connecting pieces.
Optionally, the cover plate unit comprises a connecting frame and a grating door hinged to one end of the inner side wall of the connecting frame.
Optionally, the diversion assembly has an inclined diversion surface, and one side of the diversion surface at a high position is close to the greenhouse, and one side of the diversion surface at a low position is close to the confluence main body.
Optionally, the diversion assembly comprises a medium fine sand cushion layer and a pavement layer which are laid in sequence from bottom to top;
the excrement layer comprises a tile layer close to one side of the confluence main body and a pebble layer or a gravel layer close to the greenhouse, and the tile layer and the pebble layer or the gravel layer are lapped and laid.
Optionally, the rainwater collection unit further comprises an initial rainwater drainage device, and the initial rainwater drainage device is arranged on the collection pipe.
In another aspect, a clean rainwater storage method for a greenhouse based on the clean rainwater storage system for the greenhouse, the rainwater storage method comprising:
s1, sliding of rainwater: the rainwater slides to the flow guide assembly along the greenhouse, and primary filtered rainwater is obtained after the rainwater is filtered by the flow guide assembly for the first time;
s2, diversion of rainwater: introducing the primarily filtered rainwater of step S1 into the concrete confluence channel of the confluence body through the cap plate; in the guiding process, the primary filtered rainwater is subjected to secondary filtration through the cover plate to obtain secondary filtered rainwater;
s3, rainwater confluence: converging the secondary filtered rainwater in the step S2 into the sand setting assembly through the sand blocking sills of the concrete converging channel in sequence; in the confluence process, the secondary filtered rainwater is filtered in a segmented mode through a plurality of sand blocking sills to obtain tertiary filtered rainwater;
s4, precipitation of rainwater: settling silt of the filtered rainwater in the step S3 in the sand settling assembly to obtain filtered rainwater of four times;
s5, storage of rainwater: the filtered rainwater of the fourth time in the step S4 enters the water storage box body of the water storage unit through the pipeline to be stored;
s6, utilization of rainwater: rainwater stored in the water storage tank body is sent into the greenhouse through the connecting pipe.
(III) advantageous effects
The invention has the beneficial effects that: the invention relates to a clean rainwater collecting and storing system for greenhouses and a collecting and storing method thereof.A rainwater collecting unit is correspondingly arranged at the front end of each greenhouse, when rainwater slides from the greenhouse, the rainwater is firstly filtered by a flow guide assembly of the rainwater collecting unit for one time, then enters a confluence assembly along the inclined direction of the flow guide assembly, is sequentially filtered by a cover plate of the confluence assembly and then enters a concrete confluence channel of a confluence main body, and further is further filtered by a plurality of sand blocking ridges along the length direction of the confluence main body after passing through the concrete confluence channel, the rainwater enters a sand settling assembly for secondary filtering of settled sand grains, and finally the settled rainwater is introduced into a water storage box of a water storage unit for storage and collection so as to be used for water resources of the greenhouses. Through the water conservancy diversion subassembly, overcome the rainwater and to the washing away of earth's surface earth, the rainwater can not bring earth into in the main part that converges, and the rethread converges apron in the main part and inside fender husky bank of carrying out secondary and cubic filtration, deposits through the sand setting subassembly at last and carries out quartic filtration and can get into the collection in the water storage tank, has consequently guaranteed the quality of water that the rainwater was collected. It has solved the rainwater impurity that current rainwater collection device collected and need pass through plastic film surface and one section ground surface before reentrant liquid storage pot, has avoided the too much technical problem of silt impurity of rainwater.
Drawings
FIG. 1 is a schematic side view of a clean rainwater storage system for greenhouses according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a side cross-sectional view of the flow directing assembly of FIG. 1;
FIG. 4 is a schematic structural view of the cover plate of FIG. 2;
FIG. 5 is a schematic perspective view illustrating a sand settling assembly of the clean rainwater storage system for greenhouses according to the present invention;
FIG. 6 is a schematic sectional view illustrating a sand settling structure of the clean rainwater storage system for greenhouses according to the present invention;
fig. 7 is a transverse sectional view schematically illustrating a connection portion of a sand settling member and a water storage unit of the clean rainwater storage system for greenhouses according to the present invention.
[ description of reference ]
1: a water storage unit; 11: a water storage tank body; 12: a connecting pipe; 13: a manifold pipe; 2: a rainwater collection unit; 21: a flow guide assembly; 211: a medium fine sand cushion layer; 212: a excrement layer; 2121: a pebble bed or a gravel bed; 2122: a layer of tiles; 22: a bus assembly; 221: a bus main body; 222: a cover plate; 2221: a connecting frame; 2222: a grid door; 223: concrete confluence channels; 224: blocking a sand bank; 23: a sand setting assembly; 231: a sand setting structure; 232: the settled sand is communicated with a pipeline; 233: a flow meter; 234: controlling the gate; 235: a control box; 236: a rotational flow type grit chamber; 2361: a grit chamber main body; 2362: a cylindrical filter screen; 2363: a drainage plate; 3: a greenhouse; 4: a soil retaining curb; 5 pipelines.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings. Where directional terms such as "upper", "lower", "left", "right", "front" and "rear" are used herein, reference is made to the orientation of fig. 1. Wherein, the direction of one side of the greenhouse in fig. 1 is the left side.
Referring to fig. 1, a clean rainwater storage system for a greenhouse 3 according to an embodiment of the present invention includes a water storage unit 1 and a plurality of rainwater collection units 2. The plurality of rainwater collecting units 2 are communicated with the water storage unit 1 through pipelines 5.
Each rainwater collection unit 2 is arranged at the lower part of the front end of the corresponding greenhouse 3, and each rainwater collection unit 2 comprises a flow guide assembly 21 and a confluence assembly 22. The diversion assembly 21 is arranged between the bottom edge of the greenhouse 3 and the confluence assembly 22. Rainwater on the greenhouse 3 flows through the diversion assembly 21 and then is guided into the confluence assembly 22.
It should be noted that there are multiple rows of greenhouses in the greenhouse base, each row of greenhouses includes multiple greenhouses, that is, the front of each greenhouse is provided with the rainwater collection unit 2, and finally, the rainwater collected by each rainwater collection unit 2 flows into the whole water storage unit 1 through the manifold 13, and it should be understood that, no matter any one greenhouse has a water shortage phenomenon, the water in the water storage unit 1 can be guided into the corresponding greenhouse 3 through the water pump.
Further, the diversion assembly 21 has an inclined diversion surface, and one side of the diversion surface at a high position is close to the greenhouse 3, and one side of the diversion surface at a low position is close to the confluence main body 221.
Further, the diversion assembly 21 comprises a medium fine sand cushion layer 211 and a pavement layer 212 which are sequentially laid from bottom to top.
The litter layer 212 includes a tile layer 2122 adjacent to the main collecting body 221, and further includes a pebble layer or a gravel layer 2121 adjacent to the greenhouse 3, and the tile layer 2122 and the pebble layer or the gravel layer 2121 are laid in an overlapping manner.
Specifically, in order to prevent rainwater from washing away soil, a middle and fine sand cushion layer 211 with a thickness of 10cm is firstly paved on the ground, and then a pebble layer or a gravel layer 2121 is paved on the middle and fine sand cushion layer, so that the soil and the fine sand can be effectively prevented from being taken away by the rainwater, and the cleanness of the rainwater can be ensured. In the embodiment, the pebble layer and the common tiles are selected to be lapped and laid on the working sidewalk to form the sidewalk layer 212, so that the scouring of rainwater to the ground surface is overcome, the rainwater cannot bring soil into a water delivery channel and a water storage tank, the quality of rainwater collection is ensured, the cost is low, the engineering difficulty is low, and the sidewalk layer 212 is used as a sidewalk for the greenhouse 3 to be subsequently provided with a lifting machine and walk in working. On the front side of the brick road is a manifold assembly 22.
The bus bar assembly 22 includes a bus bar body 221 having an opening, and a cover plate 222 disposed at the opening of the bus bar body 221.
Further, the cover plate 222 is in a state where a plurality of cover plate units are spliced for convenience of installation and replacement and maintenance. The cover plate 222 includes a plurality of cover plate units, and the adjacent cover plate units are connected with each other by a connecting member.
Further, the cover unit includes a connection frame 2221, and a grill door 2222 hinged to one end of an inner sidewall of the connection frame 2221. The connection frame 2221 between the adjacent cover plate units is fixed by the connection member, and when the concrete confluence channel 223 and the sand blocking sill 224 need to be repaired, the grid door 2222 can be opened in time and cleaned by an external cleaning device.
The converging main body 221 is arranged along the length direction of the greenhouse 3, the converging main body 221 is provided with a concrete converging channel 223 communicated with the opening, a plurality of sand blocking ridges 224 are arranged in the concrete converging channel 223 along the length direction of the greenhouse 3, and the plurality of sand blocking ridges 224 are distributed in a ladder shape. One side of the concrete collecting channel 223 at the lowest end of the sand blocking ridge 224 is provided with a sand setting component 23 communicated with the concrete collecting channel. Rainwater flows through a plurality of sand blocking sills 224 and sand setting components 23 in proper order, and a plurality of sand blocking sills 224 and sand setting components 23 all can carry out long-time the sediment to the rainwater.
It should be noted that the concrete converging channel 223 is provided with sand blocking ridges 224 with a height of 20cm every 10m, and the sand is settled in sections to ensure that sand, stone and soil particles enter the water storage unit 1.
In this embodiment, the cover plate 222 with grids covers the opening of the confluence main body 221, rainwater enters the concrete confluence channel 223 of the confluence main body 221 through the cover plate 222 with grids on the upper part of the confluence main body 221, so as to prevent sand, gravel and garbage from entering the channel, ensure the cleanness of the channel interior, clean water quality and facilitate pedestrians.
It should be noted that, a road edge stone of 10cm is provided between the cover plate 222 of the converging main body 221 and the surrounding dirt road, so that the soil on the soil can be effectively prevented from entering the concrete converging channel 223 of the converging main body 221 along with rainwater.
Further, the sand setting assembly 23 includes a vertical cylindrical sand setting structure 231 and a sand setting structure control unit.
The sand settling structure 231 is provided with a water inlet and a water outlet, the water inlet of the sand settling structure 231 is communicated with the concrete confluence channel 223, the sand settling structure 231 is provided with a vertical cylindrical chamber, a spiral-flow type sand basin 236 is arranged in the cylindrical chamber, and the spiral-flow type sand basin 236 is arranged at the water inlet of the sand settling structure 231.
The grit structure control unit includes a grit communication pipe 232, a flow meter 233, a control gate 234, and a control box 235.
One end of the grit communicating pipeline 232 is communicated with a water outlet of the grit structure 231, the other end of the grit communicating pipeline 232 is communicated with a water inlet of the water storage unit 1, and a control gate 234 is arranged on the grit communicating pipeline 232.
The degree of opening and closing of the control valve 234 can be controlled according to the amount of rainwater in the sand settling structure 231, that is, the larger the amount of rainwater is, the larger the degree of opening and closing of the control valve 234 is, so that uniform rainwater can be always passed through, and the flow rate of rainwater can be prevented from being lowered due to an excessively large or excessively small rainwater flow rate. Thereby improving the circulation speed of the rainwater.
Further, the cyclone-type grit chamber 236 includes a grit chamber main body 2361 and a cylindrical filter screen 2362 communicated with the grit chamber main body.
The grit chamber main body 2361 is fixedly disposed on an inner sidewall of the grit structure 231, and the grit chamber main body 2361 has a spiral groove body.
The cylindrical filter screen 2362 is disposed at the bottom of the grit chamber main body 2361, and the cylindrical filter screen 2362 has a filter chamber which is communicated with the tank body. The grit chamber main body 2361, the cylindrical filter screen 2362, the grit structure 231 and the grit communicating pipe 232 are sequentially communicated to form a rainwater flow passage.
Specifically, as shown in fig. 6, after rainwater enters the sand settling structure 231, a spiral channel is formed by a spiral groove body of the sand settling tank main body 2361, so that light impurities float on the top of the spiral channel to form filtration, and then the rainwater enters the filtration chamber through the groove body and is further filtered by a cylindrical filter screen 2362.
Further, spiral-flow type grit chamber 236 still includes drainage plate 2363, and drainage plate 2363 fixed mounting is in grit structure 231 inside wall, and drainage plate 2363 is located the top of grit head main part 2361, and sets up the through-hole on the drainage plate 2363.
The water outlet of the sand setting component 23 of each rainwater collection unit 2 is communicated with the water storage unit 1 through a pipeline 5.
The water storage unit 1 comprises a water storage tank body 11, a plurality of connecting pipes 12 and a collecting pipe 13, wherein the connecting pipes 12 and the collecting pipe 13 are respectively communicated with the water storage tank body 11, a water pump is arranged on each connecting pipe 12, one end of each connecting pipe 12 is communicated with the corresponding greenhouse 3 through the water pump, and the other end of each connecting pipe 12 is communicated with the collecting pipe 13.
It should be noted that a water pump is arranged at the tail of the connecting pipe 12 of the water storage unit 1, and water is pumped into the greenhouse 3 through the connecting pipe 12. And the pipeline maintenance well is arranged, so that the water leakage damage condition of the pipeline can be checked, the pump can be lifted for maintenance, and disinfection medicines are arranged under the condition that the water quality is deteriorated, so that the irrigation water quality requirement of the greenhouse 3 is met.
In this embodiment, the water storage tank body 11 of the water storage unit 1 adopts glass fiber reinforced plastic, PCCP and rustproof steel pipe pipelines which are good in sealing effect and have certain pressure resistance and corrosion resistance as the water storage tank body 11, and the water storage tank body 11 is a cylinder and is convenient to overhaul. If limited by the terrain, the assembled rainwater storage module can also be used for storing water.
Further, the rainwater collection unit 2 further includes an initial rainwater discarding device disposed on the collection pipe 13.
A clean rainwater collection and storage method for a greenhouse, the rainwater collection and storage method is based on a clean rainwater collection and storage system for the greenhouse, and the rainwater collection and storage method comprises the following steps:
s1, sliding of rainwater: the rainwater slides to the diversion assembly 21 along the greenhouse 3, and the rainwater is filtered for the first time by the diversion assembly 21 to obtain primary filtered rainwater;
s2, diversion of rainwater: guiding the primarily filtered rainwater of the step S1 into the concrete confluence channel 223 of the confluence main body 221 through the cover plate 222; in the guiding process, the primary filtered rainwater is secondarily filtered through the cover plate 222 to obtain secondary filtered rainwater;
s3, rainwater confluence: the secondarily filtered rainwater in the step S2 sequentially flows through the sand blocking ridges 224 of the concrete flow channel 223 and enters the sand setting assembly 23; in the converging process, the secondary filtered rainwater is filtered in sections through the plurality of sand blocking sills 224 to obtain tertiary filtered rainwater;
s4, precipitation of rainwater: settling silt of the filtered rainwater in the step S3 in the sand settling assembly 23 to obtain filtered rainwater of four times;
s5, storing rainwater: the filtered rainwater in the step S4 enters the water storage tank body 11 of the water storage unit 1 through the pipeline 5 for storage;
s6, utilization of rainwater: the rainwater stored in the water storage tank body 11 is delivered into the greenhouse 3 through the connecting pipe 12.
Through being provided with rainwater collection unit at every warmhouse booth 3's front end correspondingly, when the rainwater landing from warmhouse booth 3, at first the water conservancy diversion subassembly 21 through rainwater collection unit carries out once filtering, get into subassembly 22 that converges along the incline direction of water conservancy diversion subassembly 21 after that, and get into in the concrete channel 223 that converges main part 221 after the apron 222 filtration of subassembly 22 that converges in proper order, and then behind concrete channel 223, further filter through a plurality of sills that keep off along the length direction of converging main part 221, the rainwater gets into and deposits the sand grain in the sand setting subassembly 23 and filters once more, let in the storage water tank body 11 of water storage unit 1 with the rainwater after depositing at last and save the collection, so as to supply the use of the water resource of a plurality of warmhouse booth 3. Through water conservancy diversion subassembly 21, the rainwater has been overcome the washing away of earth's surface earth, the rainwater can not bring earth into in the main part 221 that converges, the rethread converges apron 222 and the inside husky bank 224 that keeps off on the main part 221 and carries out secondary and cubic filtration, precipitate through sand setting subassembly 23 at last and carry out quartic filtration and can get into and collect in the water storage box 11, consequently, the quality of water that the rainwater was collected has been guaranteed, and unified storage, be convenient for carry, the clarification, the storage, the device installation is simple, long service life, it is convenient to clear up, ecological environmental protection, the cost is cheap relatively.
In this embodiment, rainwater slides down to the upper surface of the diversion assembly 21 from the plastic greenhouse film surface, the greenhouse feet are subjected to stone breaking and impact prevention, the hardened collecting surfaces flowing into the concrete converging channel 223 of the converging assembly 22 converge, ecological channel water delivery is carried out through a plurality of sand blocking ridges 224 distributed in a stepped manner, sand sedimentation is carried out through the spiral-flow type grit chamber of the sand sedimentation assembly 23, finally rainwater enters the buried water storage tank box 11 for water storage, and water pumping irrigation is carried out according to the water shortage degree of each greenhouse 3. The system is suitable for rainwater collection and utilization of plastic greenhouses in northern China, occupies less land, has high storage rate, good water quality, low investment and convenient use, is suitable for various plastic greenhouses, and does not occupy cultivated land because the confluence assembly 22 and the water storage tank body 11 are both buried underground.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description of the present specification, the description of "one embodiment", "some embodiments", "examples", "specific examples" or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are exemplary and not to be construed as limiting the present invention and that those skilled in the art may make modifications, alterations, substitutions and alterations to the above embodiments within the scope of the present invention.
Claims (10)
1. The utility model provides a clean type rainwater collection holds system for warmhouse booth which characterized in that: comprises a water storage unit (1) and a plurality of rainwater collection units (2); the rainwater collecting units (2) are communicated with the water storage unit (1) through pipelines (5);
each rainwater collecting unit (2) is arranged at the lower part of the front end of the corresponding greenhouse (3), and each rainwater collecting unit (2) comprises a flow guide assembly (21) and a converging assembly (22); the flow guide assembly (21) is arranged between the lower edge of the greenhouse (3) and the confluence assembly (22); rainwater on the greenhouse (3) flows through the flow guide assembly (21) and then is guided into the confluence assembly (22);
the confluence assembly (22) comprises a confluence main body (221) with an opening and a cover plate (222) arranged at the opening of the confluence main body (221);
the converging main body (221) is provided with a concrete converging channel (223) communicated with the opening, a plurality of sand blocking sills (224) are arranged in the concrete converging channel (223) along the length direction of the greenhouse (3), and the sand blocking sills (224) are distributed in a step shape; one side of the concrete converging channel (223) positioned at the lowermost end of the sand blocking sill (224) is provided with a sand setting component (23) communicated with the concrete converging channel;
rainwater sequentially flows through the plurality of sand blocking sills (224) and the sand setting assemblies (23), and the plurality of sand blocking sills (224) and the sand setting assemblies (23) can precipitate the rainwater;
the water outlet of the sand setting component (23) of each rainwater collection unit (2) is communicated with the water storage unit (1) through a pipeline (5);
the water storage unit (1) comprises a water storage tank body (11), a collecting pipe (13) and a plurality of connecting pipes (12); the manifold pipe (13) is provided with a plurality of open pores communicated with the pipeline (5), and the water outlet of the manifold pipe (13) is communicated with the water inlet of the water storage tank body (11); one end of each connecting pipe (12) is communicated with a plurality of water outlets of the water storage box body (11), the other end of each connecting pipe (12) is communicated with the corresponding greenhouse (3), and a water pump is arranged on each connecting pipe (12).
2. The clean rainwater storage system for greenhouses according to claim 1, wherein: the sand setting assembly (23) comprises a sand setting structure body (231) and a sand setting structure body control unit;
the sand settling structure body (231) is provided with a water inlet and a water outlet, the water inlet of the sand settling structure body (231) is communicated with the concrete confluence channel (223), the sand settling structure body (231) is provided with a vertical cylindrical cavity, a spiral-flow type sand setting tank (236) is arranged in the cylindrical cavity, and the spiral-flow type sand setting tank (236) is arranged at the water inlet of the sand settling structure body (231);
the sand setting structure body control unit comprises a sand setting communicating pipeline (232), a flowmeter (233), a control gate (234) and a control box (235);
one end of the sand setting communicating pipeline (232) is communicated with a water outlet of the sand setting structure body (231), the other end of the sand setting communicating pipeline (232) is communicated with a water inlet of the water storage unit (1), and the sand setting communicating pipeline (232) is provided with the control gate (234);
the flow meter (233) is arranged on the sand setting communicating pipeline (232), the flow meter (233) is electrically connected with the control box (235), and the flow meter (233) can detect the amount of passing rainwater in the sand setting communicating pipeline (232) and send the detection result to the control box (235);
the control box (235) is provided with a control device, and the control device can receive the detection result of the flowmeter (233) and send a signal to the control gate (234) to control the opening and closing size of the control gate (234).
3. The clean rainwater storage system for a greenhouse of claim 2, wherein: the cyclone-type grit chamber (236) comprises a grit chamber main body (2361) and a cylindrical filter screen (2362) communicated with the grit chamber main body;
the grit chamber main body (2361) is fixedly arranged on the inner side wall of the grit structure body (231), and the grit chamber main body (2361) is provided with a spiral groove body;
the cylindrical filter screen (2362) is arranged at the bottom of the grit chamber main body (2361), the cylindrical filter screen (2362) is provided with a filter chamber, and the filter chamber is communicated with the tank body; the sand setting tank comprises a sand setting tank main body (2361), a cylindrical filter screen (2362), a sand setting structure body (231) and a sand setting communicating pipeline (232) which are sequentially communicated to form a rainwater circulation channel.
4. A clean rainwater storage system for greenhouses according to claim 3, characterized in that: swirl sand setting structure (236) still includes drainage plate (2363), drainage plate (2363) fixed mounting in sand setting structure (231) inside wall, drainage plate (2363) are located the top of sand setting head main part (2361), just set up the through-hole on drainage plate (2363).
5. The clean rainwater storage system for greenhouses according to claim 1, wherein: the cover plate (222) comprises a plurality of cover plate units, and the adjacent cover plate units are mutually matched and connected through connecting pieces.
6. The clean rainwater storage system for a greenhouse of claim 5, wherein: the cover plate unit comprises a connecting frame (2221) and a grid door (2222) hinged to one end of the inner side wall of the connecting frame (2221).
7. The clean rainwater storage system for greenhouses according to claim 1, wherein: the flow guide assembly (21) is provided with an inclined flow guide surface, one side of the flow guide surface at a high position is close to the greenhouse (3), and one side of the flow guide surface at a low position is close to the confluence main body (221).
8. The clean rainwater storage system for greenhouses according to claim 7, wherein: the flow guide assembly (21) comprises a medium-fine sand cushion layer (211) and a pavement layer (212) which are sequentially paved from bottom to top;
the excrement layer (212) comprises a tile layer (2122) close to one side of the confluence main body (221) and further comprises a pebble layer or a gravel layer (2121) close to one side of the greenhouse (3), and the tile layer (2122) and the pebble layer or the gravel layer (2121) are laid in an overlapping mode.
9. The clean rainwater storage system for greenhouses according to claim 1, wherein: the rainwater collection unit (2) further comprises an initial rainwater discarding device, and the initial rainwater discarding device is arranged on the header pipe (13).
10. A clean rainwater storage method for a greenhouse, the rainwater storage method being based on the clean rainwater storage system for the greenhouse of any one of claims 1 to 9, characterized in that: the rainwater collection and storage method comprises the following steps:
s1, sliding of rainwater: the rainwater slides to the flow guide assembly (21) along the greenhouse shed (3), and the rainwater is filtered for the first time by the flow guide assembly (21) to obtain primary filtered rainwater;
s2, diversion of rainwater: introducing the primarily filtered rainwater of the step S1 into the concrete confluence channel (223) of the confluence main body (221) through the cover plate (222); in the guiding process, the primary filtered rainwater is subjected to secondary filtration through the cover plate (222) to obtain secondary filtered rainwater;
s3, rainwater confluence: converging the secondary filtered rainwater in the step S2 into the sand setting assembly (23) through a sand blocking ridge (224) of the concrete converging channel (223) in sequence; in the converging process, the secondary filtered rainwater is filtered in a segmented mode through a plurality of sand blocking sills (224) to obtain tertiary filtered rainwater;
s4, precipitation of rainwater: settling silt of the filtered rainwater in the step S3 in the sand setting assembly (23) to obtain filtered rainwater of four times;
s5, storing rainwater: the filtered rainwater of the fourth time in the step S4 enters the water storage tank body (11) of the water storage unit (1) through the pipeline (5) to be stored;
s6, rainwater utilization: rainwater stored in the water storage tank body (11) is sent into the greenhouse (3) through the connecting pipe (12).
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| CN115024134B (en) | 2024-08-27 |
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