CN114644403B - Water-saving emission-reduction farmland irrigation system for preventing groundwater and river channel from being polluted - Google Patents
Water-saving emission-reduction farmland irrigation system for preventing groundwater and river channel from being polluted Download PDFInfo
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- CN114644403B CN114644403B CN202210309559.7A CN202210309559A CN114644403B CN 114644403 B CN114644403 B CN 114644403B CN 202210309559 A CN202210309559 A CN 202210309559A CN 114644403 B CN114644403 B CN 114644403B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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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
- A01G29/00—Root feeders; Injecting fertilisers into the roots
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- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
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- 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
- C02F2103/06—Contaminated groundwater or leachate
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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Abstract
The invention discloses a water-saving emission-reducing farmland irrigation system for preventing underground water and a river channel from being polluted, and belongs to the field of water environment protection. A water conservation and emission reduction farmland irrigation system for preventing groundwater and river channels from being polluted comprises: the planting area is used for planting crops, and the crops are distributed in a matrix form; the water channel is positioned between two adjacent planting areas, the outlet of the water channel is communicated with the river channel, the outlet is provided with a normally closed gate to separate the water channel from the river channel, and the gate is opened to communicate the water channel with the river channel when the water level in the water channel reaches a set height; the water absorption film is flexible and is embedded in the soil layer of the planting area and covers the planting area, the embedding position of the water absorption film is higher than the lowest downward-probing position of the root system of the planted crop so that the root system is in contact with the water absorption film in a fitting manner, and one end of the water absorption film is positioned in the ditch and naturally droops so as to be in contact with water in the ditch; it can realize irrigating crops to rainwater reutilization, reduces water consumption and completely cuts off the pollution of chemical fertilizer pesticides to groundwater and river water.
Description
Technical Field
The invention belongs to the field of water environment protection, and particularly relates to a water-saving emission-reduction farmland irrigation system for preventing underground water and river channels from being polluted.
Background
In northern areas and partial southern areas of China, a method for irrigating crops by using flood irrigation still exists, and water after flood irrigation is discharged into nearby river channels, but the water consumption is huge due to the irrigation mode.
Although the water consumption is saved in the existing drip irrigation mode, chemical fertilizers and pesticides in the farmland can enter underground water or river channels along with the permeation of water in soil, so that the pollution of water sources is caused.
There is a need for a field irrigation system that can save water and prevent water pollution to solve the above problems.
Disclosure of Invention
The invention aims to provide a water-saving and emission-reducing farmland irrigation system for preventing underground water and river channels from being polluted, which can realize secondary utilization of rainwater to irrigate crops, reduce water consumption and isolate pollution of chemical fertilizers and pesticides to the underground water and the river channels.
The invention relates to a water-saving emission-reducing farmland irrigation system for preventing groundwater and riverway from being polluted, which comprises:
the planting area is used for planting crops, and the crops are distributed in a matrix form;
the water channel is positioned between two adjacent planting areas, the outlet of the water channel is communicated with the river channel, the outlet is provided with a normally closed gate to separate the water channel from the river channel, and the gate is opened to communicate the water channel with the river channel when the water level in the water channel reaches a set height; and
the water absorption film is flexible and is embedded in the soil layer of the planting area and covers the planting area, the embedding position of the water absorption film is higher than the lowest downward-exploring position of the root system of the planted crop so that the root system is in contact with the water absorption film in a fitting mode, and one end of the water absorption film is located in the ditch and naturally sags to be in contact with water in the ditch.
As a further improvement of the invention, the water absorption film at the position of the crop simulates the root system of the plant, and the root-shaped water absorption film is wound and abutted with the root system of the crop.
As a further improvement of the invention, the water absorption film at the position of the crop is in a screen shape, the surface of the screen-shaped water absorption film is provided with a plurality of screen holes, the passing aperture of the screen holes is variable, the normal passing aperture of the screen holes is smaller than or equal to the diameter of a single root system of the crop, and the number of the screen holes is larger than or equal to the number of the roots of the crop.
As a further improvement of the invention, a plurality of sieve sheets made of elastic materials are uniformly and fixedly arranged on the inner walls of the sieve pores, the sieve sheets all extend smoothly of the water-absorbing film in a free state, and inner openings formed by the sieve pores in the free state are the through openings of the sieve pores.
As a further improvement of the invention, the water-absorbing film comprises a main dry film, a side branch film and an interactive film; the main stem film is embedded between two adjacent rows of crops, and the length of the main stem film is greater than that of the planting area, so that at least one end of the main dry film is positioned in the ditch; the side branch film is fixedly connected with the main stem film and is embedded between two adjacent rows of crops; the interactive films are fixedly connected with the side branch films and are embedded under the crops to be contacted with the root systems of the crops, and the interactive films corresponding to different crops are only indirectly connected through the side branch films or the side branch films and the main dry films.
As a further improvement of the invention, the water inlet of the water channel is normally closed, and the water replenishing is started only when the water level in the water channel is lower than the set water level.
As a further improvement of the invention, a permeable membrane is laid in the ditch, and the permeable membrane only allows water molecules to pass through; the permeable membrane separates the ditch into an upper layer and a lower layer, the upper layer is a water storage layer, and the lower side is a filtering layer; one end of the water absorption film positioned in the water channel is positioned in the water storage layer; and after the gate is opened, only the communication channel between the filter layer and the river channel can be opened.
As a further improvement of the invention, a plurality of guide plates are laid at the bottom of the water channel, the guide plates are all laid along the length direction of the water channel, and the permeable membrane is laid at the upper end of the guide plates.
As a further improvement of the invention, a permanent magnet piece is fixedly arranged in the canal wall of the canal; one end of the water absorption film positioned in the canal is fixedly connected with a floating rod, the floating rod is made of a material with density smaller than that of water, and the upper end of the floating rod is fixedly provided with a magnetic attraction piece; when the water level in the water channel is higher than the set height, the permanent magnetic part attracts the magnetic part.
As a further improvement of the invention, the opening of the gate is controlled by an external processor, a water level sensor is arranged in the water channel, a water level controller is electrically connected with the processor, and the processor controls the gate to be opened after the water level controller monitors that the water level in the water channel reaches a set height or exceeds the height.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the water absorption film is laid in the soil of the planting area, one end of the water absorption film is immersed in the water of the water channel, when the crops are sunny, the root systems of the crops obtain the water in the water absorption film through the capillary action, and because the water can uniformly wet the water absorption film, after the water in the contact part of the water absorption film and the root systems is absorbed, the end immersed in the water channel can continuously absorb the water in the water channel to supplement the water obtained by the root systems of the crops, so that the water obtained by the root systems is not wasted, and when the crops need the water, the water can be supplemented all the time.
The arrangement of the water absorption film can effectively prevent harmful compounds from entering deep layers of the surface to pollute the underground water after fertilization and pesticide application.
The arrangement of the water channel can effectively prevent rainstorm from overflowing farmland to pollute river channel after the fertilizer and pesticide are applied, and prevent water quality change from influencing ecological balance.
In rainy days, the water in the planting area is excessive, the water level in the canal is continuously raised, the gate is opened to empty the water in the canal, and because one end of the water absorption film in the canal naturally droops, the water of the water absorption film can continuously drop, and the excessive water in the soil in the planting area can be absorbed by the water absorption film part embedded in the soil and discharged into the canal by the water absorption film, so that the fertilizer and pesticide in the soil can not enter the underground water due to the washing of rainwater, and can be timely discharged into the canal for storage.
According to the invention, the permeable membrane is arranged in the ditch, so that the water in the soil brought out by the water absorption membrane filters the fertilizer and pesticide, and the fertilizer and pesticide are prevented from entering the river channel to cause pollution.
According to the invention, the interaction of water is realized between the root system of the crop and the water absorption film, when the water absorption film absorbs water in soil, the fertilizer and pesticide are subjected to first filtration, and the second filtration is performed at the permeable membrane in the ditch, so that the fertilizer and pesticide are effectively collected and stored, and the secondary utilization is facilitated.
The interactive membrane is provided with the plurality of sieve pores, the root systems of the crops gradually downwards extend after the crops grow, and the crops continuously downwards grow through the sieve pores after passing through the interactive membrane, so that the influence on the health of the crops due to the limited growth of the root systems of the crops is effectively avoided, meanwhile, the passing apertures of the sieve pores are variable, the root systems of the crops are fully contacted with the sieve sheets when the root systems of the crops are in the sieve pores, and the absorption efficiency of the root systems of the crops on water in the water absorption membrane is ensured to be timely and full.
Drawings
FIG. 1 is a plan view of a region distribution according to a first embodiment of the present invention;
fig. 2 is a perspective view of a planting area and raceway according to a first embodiment of the present invention;
FIG. 3 is a schematic plan view of a water-absorbent film according to a first embodiment of the present invention;
FIG. 4 is a schematic view of the position of parts of the water-absorbing film and crops according to a first embodiment of the present invention;
fig. 5 is a schematic perspective view illustrating an interactive film according to a second embodiment of the present invention when the mesh openings are opened;
FIG. 6 is a schematic perspective view of an interactive membrane according to a second embodiment of the present invention when the mesh openings are not opened;
fig. 7 is a schematic perspective view of a permanent magnet member and a magnetic member according to a third embodiment of the present invention;
fig. 8 is a schematic partial perspective cross-sectional view of a canal according to a fourth embodiment of the invention.
The reference numbers in the figures illustrate:
Detailed Description
The first embodiment is as follows: referring to fig. 1-4, a water-saving and emission-reducing farmland irrigation system for preventing groundwater and river channel from being polluted includes:
the planting area 1 is used for planting crops, and the crops are distributed in a matrix form; a main trunk channel is arranged between each row of crops in the planting area 1, and a side branch channel is arranged between each row of crops;
the water channels 2 are positioned between the two adjacent planting areas 1, the water channels 2 can be transverse or longitudinal, and water is drained to the river channel 3 after the transverse water channels and the longitudinal water channels 2 are intersected; in this embodiment, the channels 2 are arranged transversely, the number of the channels is one, the outlets of the channels 2 are communicated with the river 3, the outlets are provided with normally closed gates 4 to separate the channels 2 and the river 3, and the gates 4 are opened to communicate the channels 2 and the river 3 when the water level in the channels 2 reaches a set height; the inlet of the water channel 2 is also normally closed, and the water channel 2 is opened when the water level in the water channel 2 is lower than the set height so as to supplement the water quantity in the water channel 2; and
the water absorption film 5 is flexible and is embedded in a soil layer of the planting area 1 and covers the planting area 1, the embedding position of the water absorption film 5 is higher than the lowest downward-probing position of the root system of the planted crop so that the root system is in contact with the water absorption film 5, one end of the water absorption film 5 is positioned in the ditch 2 and naturally droops so as to be in contact with water in the ditch 2, in the embodiment, one end of the water absorption film 5 positioned in the ditch 2 is named as a drooping curtain film, and the drooping curtain film naturally droops to the bottom of the ditch 2 so as to ensure that the water absorption film can obtain sufficient water; the water absorption film 5 is formed by interweaving a plurality of water absorption fibers in the embodiment, and after any end of the water absorption film 5 is contacted with a water source, the water absorption film 5 can acquire water to wet all parts of the whole film, so that the humidity of all parts is ensured to be the same.
The water absorption film 5 comprises a main dry film 51, a side branch film 52 and an interaction film 53; the main dry film 51 is buried in the main channel, the length of the main dry film 51 is greater than that of the planting area 1, so that at least one end of the main film 51 is positioned in the ditch 2, and the drape film can be understood as a part of the main film 51; the bypass membrane 52 is fixedly connected with the main membrane 51 and is embedded in the bypass; the interactive film 53 is fixedly connected with the side branch film 52 and is buried under the crops to be contacted with the root systems of the crops, and the interactive films 53 corresponding to different crops are only indirectly connected through the side branch film 52 or the side branch film 52 and the main film 51.
In this embodiment, the water absorbing film 5 at the position of the crop is in a screen shape, the surface of the screen-shaped water absorbing film 5 is provided with a plurality of screen holes 531, the passing aperture of each screen hole 531 is variable, the normal passing aperture of each screen hole 531 is smaller than the diameter of a single root system of the crop, and the number of the screen holes 531 is larger than the number of the root systems of the crop.
The opening of the gate 4 is controlled by an external processor, a water level sensor is arranged in the water channel 2, a water level controller is electrically connected with the processor, and the processor controls the gate 4 to be opened after the water level controller monitors that the water level in the water channel 2 reaches a set height or exceeds the set height.
It should be noted that, the water absorption film 5 is laid in the soil before the crops are planted, then the plants are planted, and since the plants are all the plants which preferentially develop roots, the roots of the crops can be contacted with the water absorption film 5 quickly, so that the automatic water absorption is realized, and before the roots of the crops are not contacted with the water absorption film 5, the crops are irrigated by means of drip irrigation and the like.
The working principle is as follows: in sunny days, the water level in the ditch 2 is insufficient, the inlet of the ditch 2 is opened, water is supplemented until the preset water level height is reached, at the moment, the end of the curtain film is immersed under the water surface of the ditch 2, one end of the water absorption film 5 is contacted with water, after a certain time, the whole water absorption film 5 reaches a uniform wetting state, and the curtain film stops drawing water into the ditch 2, so that the stability is reached; at the moment, if the crops need to be supplemented with water, the crop roots in contact with the interactive film 53 absorb water from the interactive film 53, the water at the interactive film 53 is reduced, the water distribution of the whole water absorbing film 5 is unbalanced, and the curtain film continuously absorbs water from the water channel 2 until the balance is achieved again;
when rainy day, the water level rises in the ditch 2, gate 4 is opened, the import of ditch 2 is closed, empty the water in the ditch 2, hang down the curtain membrane and stop with the water contact, because it is flagging naturally to hang down the curtain membrane, the water that hangs down curtain membrane department can slowly drip, the holistic moisture distribution of membrane 5 that absorbs water is uneven, the water of other each department supplys to hanging down curtain membrane department, simultaneously because rainy day's the reason, the moisture demand of planting the interior crop in the district 1 has been enough, unnecessary majority can be absorbed by membrane 5 that absorbs water and by hanging down the curtain membrane discharge to the ditch 2 in, guarantee that the rainwater can not infiltrate down to the groundwater.
The second embodiment is as follows: on the basis of the first specific embodiment, please refer to fig. 5-6, which is a water-saving and emission-reducing farm irrigation system for preventing groundwater and river channel from being polluted, wherein a plurality of sieve sheets made of elastic material are uniformly and fixedly arranged on the inner wall of each sieve hole 531, each sieve sheet is a smooth extension of the water absorption membrane 5 in a free state, and an inner opening formed by the sieve holes 531 in the free state is a passing opening of the sieve holes 531; the crop root system is fully contacted with the sieve sheet when in the sieve holes 531, so as to ensure that the absorption efficiency of the crop root system to the water in the water absorption film 5 is timely and sufficient.
The third concrete embodiment: on the basis of the first or second embodiment, please refer to the water-saving and emission-reducing farmland irrigation system for preventing the pollution of the underground water and the river channel in fig. 7, a permanent magnet 56 is fixedly arranged in the canal wall of the canal 2; one end of the curtain hanging film is fixedly connected with a floating rod 54, the floating rod 54 is made of a material with density smaller than that of water, and the upper end of the floating rod 54 is fixedly provided with a magnetic attraction piece 55; when the water level in the water channel 2 is higher than the set height, the permanent magnetic piece 56 attracts the magnetic piece 55.
The position of the permanent magnet piece 56 is lower than the connecting point of the curtain film on the canal wall of the canal 2; the floating rod 54 is positioned on the back surface of one end of the curtain film close to the water surface, and the back surface is the side close to the canal wall of the canal 2; the width of the floating rod 54 is larger than that of the curtain hanging film, the number of the magnetic suction pieces 55 is two, the magnetic suction pieces are respectively positioned on two sides of the curtain hanging film, and the number of the permanent magnetic pieces 56 is two and is positioned right above the magnetic suction pieces 55.
In rainy days, the water level in the water channel 2 gradually rises until the floating rod 54 is lifted to the suction range of the permanent magnetic piece 56, the permanent magnetic piece 56 and the magnetic suction piece 55 attract each other to lift the curtain hanging film, so that the curtain hanging film is hung and does not contact the water in the water channel 2, and the curtain hanging film is always in a dripping state.
When the permanent magnetic piece 56 and the magnetic piece 55 attract each other, the gate 4 is started simultaneously to discharge water in the water channel 2 to the river channel, so that rainwater is prevented from flooding and the water channel 2 is filled.
The fourth concrete embodiment: on the basis of the first or second or third embodiment, please refer to fig. 8, which shows a water-saving and emission-reducing farmland irrigation system for preventing groundwater and river from being polluted, wherein a plurality of guide plates 21 are laid at the bottom of the water channel 2, the guide plates 21 are all laid along the length direction of the water channel 2, the guide plates 21 are parallel to each other and keep a certain distance, a plurality of guide grooves are constructed,
at least one permeable membrane 22 is laid at the upper end of the guide plate 21, and the permeable membrane 22 only allows water molecules to pass through; the water channel 2 is separated into an upper layer and a lower layer by the permeable membrane 22, the upper layer is a water storage layer, and the lower side is a filtering layer; one end of the water absorption film 5 positioned in the ditch 2 is positioned in the water storage layer; the gate 4 can only open the communicating channel between the filter layer and the river channel after being opened.
When the curtain film drips into the ditch 2, fertilizer and pesticide contained in water are isolated in the water storage layer and cannot enter the filter layer.
And the opening range of gate 4 also only is the filter layer, and only water in the filter layer can flow to the river course promptly, avoids the chemical fertilizer pesticide in the water storage layer to discharge and causes the pollution in the river course, and the chemical fertilizer pesticide in the water storage layer can retrieve reutilization, and it is extravagant to reduce the cost.
Claims (7)
1. The utility model provides a prevent that groundwater and river course from receiving water conservation and emission reduction field irrigation system who receives pollution which characterized in that: the method comprises the following steps:
the planting area (1) is used for planting crops, and the crops are distributed in a matrix form;
the water channel (2) is positioned between two adjacent planting areas (1), the outlet of the water channel (2) is communicated with the river channel (3), the outlet is provided with a normally closed gate (4) to separate the water channel (2) and the river channel (3), and the gate (4) is opened to communicate the water channel (2) and the river channel (3) when the water level in the water channel (2) reaches a set height; and
the water absorption film (5) is flexible and is embedded in the soil layer of the planting area (1) and covers the planting area (1), the embedding position of the water absorption film (5) is higher than the lowest downward-extending position of the root system of the planted crop so that the root system is in contact with the water absorption film (5) in a fitting manner, and one end of the water absorption film (5) is positioned in the ditch (2) and naturally droops so as to be in contact with water in the ditch (2);
the water absorption film (5) at the position of the crop is in a screen mesh shape, the surface of the screen mesh-shaped water absorption film (5) is provided with a plurality of screen holes (531), the passing aperture of the screen holes (531) is variable, the normal passing aperture of the screen holes (531) is smaller than or equal to the diameter of a single root system of the crop, and the number of the screen holes (531) is larger than or equal to the number of roots of the crop;
the water absorption film (5) comprises a main dry film (51), a side branch film (52) and an interaction film (53); the main dry film (51) is buried between two adjacent rows of crops, the length of the main film (51) is greater than that of the planting area (1), and at least one end of the main film (51) is positioned in the ditch (2); the side branch film (52) is fixedly connected with the main stem film (51) and is buried between two adjacent rows of crops; the interactive films (53) are fixedly connected with the side branch films (52) and are buried under crops to be contacted with the roots of the crops, and the interactive films (53) corresponding to different crops are only indirectly connected through the side branch films (52) or the side branch films (52) and the main trunk film (51);
a permeable membrane (22) is laid in the ditch (2), and the permeable membrane (22) only allows water molecules to pass through; the water channel (2) is separated into an upper layer and a lower layer by the permeable membrane (22), the upper layer is a water storage layer, and the lower side is a filtering layer; one end of a water absorption film (5) positioned in the ditch (2) is positioned in the water storage layer; the gate (4) can only open the communicating channel between the filter layer and the river channel after being opened.
2. The water-saving emission-reducing farmland irrigation system for preventing underground water and river channels from being polluted according to claim 1, which is characterized in that: the water absorption film (5) at the position of the crop simulates the root system of the plant, and the root-shaped water absorption film (5) is wound and abutted with the root system of the crop.
3. The water-saving emission-reducing farmland irrigation system for preventing underground water and river channels from being polluted according to claim 1, which is characterized in that: a plurality of sieve sheets made of elastic materials are uniformly and fixedly arranged on the inner wall of the sieve holes (531), the sieve sheets are all smoothly extended of the water absorption film (5) in a free state, and inner openings formed by the sieve holes (531) in the free state are through openings of the sieve holes (531).
4. The water-saving emission-reducing farmland irrigation system for preventing groundwater and river channels from being polluted according to claim 1, which is characterized in that: the water inlet of the water channel (2) is normally closed, and water supplement is started only when the water level in the water channel (2) is lower than a set water level.
5. The water-saving emission-reducing farmland irrigation system for preventing underground water and river channels from being polluted according to claim 1, which is characterized in that: a plurality of guide plates (21) are laid at the bottom of the water channel (2), the guide plates (21) are all laid along the length direction of the water channel (2), and the permeable membrane (22) is laid at the upper ends of the guide plates (21).
6. The water-saving emission-reducing farmland irrigation system for preventing groundwater and river channels from being polluted according to claim 1, which is characterized in that: a permanent magnet piece (56) is fixedly arranged in the canal wall of the canal (2); one end of a water absorption film (5) positioned in the ditch (2) is fixedly connected with a floating rod (54), the floating rod (54) is made of a material with density smaller than that of water, and the upper end of the floating rod (54) is fixedly provided with a magnetic part (55); when the water level in the water channel (2) is higher than the set height, the permanent magnetic piece (56) attracts the magnetic piece (55).
7. The water-saving emission-reducing farmland irrigation system for preventing groundwater and river channels from being polluted according to claim 1, which is characterized in that: the opening of the gate (4) is controlled by an external processor, a water level sensor is arranged in the water channel (2), a water level controller is electrically connected with the processor, and the processor controls the gate (4) to open after the water level controller monitors that the water level in the water channel (2) reaches a set height or exceeds the set height.
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| CN202210309559.7A CN114644403B (en) | 2022-03-28 | 2022-03-28 | Water-saving emission-reduction farmland irrigation system for preventing groundwater and river channel from being polluted |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108605682A (en) * | 2017-06-07 | 2018-10-02 | 哈尔滨福万民农业科技有限责任公司 | A kind of ecologic planting pattern of land crops |
| CN211532117U (en) * | 2019-11-18 | 2020-09-22 | 兰州大学 | Water storage drought-resisting device for afforestation in arid area |
| CN213979132U (en) * | 2020-12-17 | 2021-08-17 | 广西博大建设工程有限公司 | Rainwater utilization equipment |
| CN113430986A (en) * | 2021-05-25 | 2021-09-24 | 西藏电建成勘院工程有限公司 | Aquatic ecological protection structure suitable for river and lake water body environment treatment and construction method |
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2022
- 2022-03-28 CN CN202210309559.7A patent/CN114644403B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108605682A (en) * | 2017-06-07 | 2018-10-02 | 哈尔滨福万民农业科技有限责任公司 | A kind of ecologic planting pattern of land crops |
| CN211532117U (en) * | 2019-11-18 | 2020-09-22 | 兰州大学 | Water storage drought-resisting device for afforestation in arid area |
| CN213979132U (en) * | 2020-12-17 | 2021-08-17 | 广西博大建设工程有限公司 | Rainwater utilization equipment |
| CN113430986A (en) * | 2021-05-25 | 2021-09-24 | 西藏电建成勘院工程有限公司 | Aquatic ecological protection structure suitable for river and lake water body environment treatment and construction method |
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