CN111837887A - Water return control device for multifunctional irrigation system - Google Patents
Water return control device for multifunctional irrigation system Download PDFInfo
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- CN111837887A CN111837887A CN202010763175.3A CN202010763175A CN111837887A CN 111837887 A CN111837887 A CN 111837887A CN 202010763175 A CN202010763175 A CN 202010763175A CN 111837887 A CN111837887 A CN 111837887A
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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
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
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Abstract
The invention relates to a backwater control device for a multifunctional irrigation system, which adopts the technical scheme that a pipeline on a water inlet of a submersible pump is provided with a coaxially connected water inlet converter, the side wall of the water inlet converter is respectively provided with a water supply gate and a backwater water inlet which are communicated with each other inside and outside, a gate valve is arranged on the water supply gate, the backwater water inlet is connected with a backwater pipeline, a backwater valve is arranged on the backwater pipeline, a water discharge valve is arranged on the backwater pipeline, the invention forms backwater circulation by additionally arranging the water inlet converter on the pipeline on the water inlet of the submersible pump, in the water return process, the water inlet converter extends into the bottom of the well, so that a larger height difference is generated between the water inlet converter and the lifting column base, therefore, a sufficient water pressure difference is provided for backwater, the circular hollow pipes of all levels of the lifting column are completely recovered under the action of negative pressure, and the problem that the lifting column of the multifunctional irrigation system cannot be recovered after being irrigated and extended in a region with a high water level is solved.
Description
Technical Field
The invention relates to a water return control device for a multifunctional irrigation system.
Background
Agriculture is an important basic industry in China, and when farmland irrigation and fertilization are carried out, the traditional method is carried out manually, so that time and labor are wasted, and the efficiency is low; by utilizing advanced facilities and technologies, the direction of agricultural development in China is changed from field production of eating by the sky to large-scale automatic production, and a lot of irrigation and fertilization equipment also appear in the market, but due to the structural problem, the equipment has high cost and few functions, can not freely emerge and emerge on the ground or underground, influences other working procedures after the equipment is arranged, is very inconvenient to use, and has unsatisfactory effect, so that the application number of the applicant applied in the prior art is as follows: 201520209803.8, wherein the spraying mechanism is composed of a telescopic tube and a rotary nozzle arranged at the upper end of the telescopic tube, the telescopic tube is composed of multiple sections of round hollow tubes with different diameters, the upper section is compressed in the lower section, and a telescopic sealing structure composed of a sealing ring is arranged between every two sections; when the irrigation device is used, water enters from the bottom of the telescopic pipe under the pressure of the water pump, all sections of the circular hollow pipes extend upwards under the action of water pressure, and finally the water is sprayed out from the rotary spray head arranged at the upper end part of the pipe body of the innermost section of the circular hollow pipe, so that irrigation is realized, when the irrigation is finished, the water pump is turned off, water injection to the water inlet channel is stopped, the water pressure disappears, because the lower end of the rotary spray head arranged at the upper end of the lifting column is provided with the one-way valve which has the function of sealing the connection part of the rotary spray head and the upper end of the telescopic column when the telescopic pipe retracts, so that the water in the telescopic column is put underground under the action of negative pressure, and the circular hollow pipes of the lifting column are recovered to the upper end surface of the base under the action of self gravity and negative pressure to complete recovery, and then the ' sealed lifting column with lifting type ' with the authorization publication number CN 106068868B ', the ' sand filter for the lifting column with the application number 2020100161348 ' and the lifting column with the functions, the purpose is to solve the problem that the extension tube can not be recovered due to sealing, sand feeding and other reasons after extending out, but in the practical application process, new problems can not be recovered, the water for field irrigation is mostly well water, the depth of a water well is usually 40-60 meters, the inner diameter is about 40cm, the liquid level of the well water is related to local underground water distribution and is often difficult to control, when the water level of the well water is higher than the elevation of the bottom surface of the extension tube, no water level drop exists between the well water and the lifting column, sufficient negative pressure for the lifting column to retract is not formed, the extension column can not be recovered, through practical application, only when the elevation of the bottom surface of the extension tube is higher than the elevation of the water level of the well water and the elevation difference is larger than 4m, the extension tube can be partially normally recovered, even if a high-power water pump is added on the bottom surface to assist water return, due to the restriction of the structure and the atmospheric pressure of, generally, the water pressure with the height difference of 5-6m can be provided, the normal work is seriously influenced, the energy consumption is greatly increased, and even the multifunctional fertigation system in a plurality of areas with high water level cannot be practically applied, so the improvement and innovation of the multifunctional fertigation system are imperative.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the invention aims to provide a water return control device for a multifunctional irrigation system, which can effectively solve the problem that the recovery negative pressure of each stage of circular hollow pipe of a telescopic column of the multifunctional irrigation system is insufficient and can not be completely recovered.
The technical scheme of the invention is as follows:
a backwater control device for a multifunctional irrigation system comprises a submersible pump and a lift pipe, wherein the submersible pump is fixed below the water surface of a well in a suspension mode through the lift pipe, the upper end of the lift pipe extends out of the upper opening of the well, the water outlet of the lift pipe of the extending part is connected with the water inlet of a water supply valve, the water outlet of the water supply valve is connected with a water supply pipeline, a water inlet converter which is coaxially connected is arranged on the pipeline on the water inlet of the submersible pump, the water inlet converter is of a tubular hollow structure with an upper opening and a lower opening, the upper end and the lower end of the water inlet converter are hermetically connected with the pipeline on the water inlet of the submersible pump, a water supply gate and a backwater water inlet which are communicated inside and outside are respectively arranged on the side wall of the water inlet converter, a gate valve which is movably opened and closed and used for opening or sealing the water supply gate, a water outlet of the water outlet pipe is positioned right above the water surface of the well, a water return valve is arranged on the water return pipe, and a water drain valve is arranged on the water drain pipe;
when the water supply device is used, one end of the water supply pipeline, which is far away from the water supply valve, is connected with the water inlet channel on the base of each lifting column to supply water for extending each lifting column to irrigate, when the water supply device is used for irrigating, the water supply valve is opened, the water return valve and the water drain pipeline are closed at the same time, the gate valve is opened to enable the inside and the outside of the water supply gate to be communicated, the submersible pump is started, water in a water well enters the submersible pump from the water supply gate, the water is supplied to the lifting columns through the water supply pipeline under the action of water pressure provided by the submersible pump, all levels of circular hollow pipes extend upwards, and finally the water is sprayed out; after irrigation is finished, the water return valve and the water drain pipeline are opened, the water supply valve is closed, the gate valve is closed at the same time, the water supply gate opening is sealed, water in the lifting column sequentially enters the water inlet converter through the water supply pipeline and the water return pipeline, then enters the water drain pipeline from the lift pipe under the action of water pressure provided by the submersible pump and finally returns to the water well from the upper part of the water surface of the water well again to form return water circulation, all levels of circular hollow pipes of the lifting column completely fall back into the lifting column base under the action of self gravity and negative pressure formed by return water of the water return pipeline, and in the process of returning water, the water inlet converter extends into the bottom of the water well, so that a large height difference is generated between the circular hollow pipes and the lifting column base, a sufficient water pressure difference is provided for the return water, and all levels of the.
Preferably, the water supply pipe is kept away from the one end of water supply valve and is stretched into behind the earth's surface and link to each other with the inhalant canal on each lift post base among the multi-functional irrigation system, the top surface elevation of intaking converter is less than the bottom surface elevation of lift post base and the difference in height of the two is greater than 10 m.
The invention has novel and unique structure, simplicity, reasonableness, easy production and low cost, the water inlet converter is additionally arranged on the pipeline of the water inlet of the submersible pump, the return water of the telescopic column is introduced into the water inlet of the submersible pump through the water inlet converter, the water in the lifting column enters the water inlet converter through the water supply pipeline and the return water pipeline in sequence, then enters the water discharge pipeline from the lift pipe under the action of the water pressure provided by the submersible pump and finally returns to the water well again from the upper part of the water surface of the water well to form return water circulation, the circular hollow pipes at all levels of the lifting column completely fall back into the base of the lifting column under the action of self gravity and negative pressure, and in the process of the return water, as the water inlet converter extends into the bottom of the water well, a larger height difference is generated between the circular hollow pipes at all levels of the lifting column, thereby providing a sufficient water pressure difference for the return water, the problem that the multifunctional irrigation system lifting column cannot be retracted after being irrigated and extended out in a region with a high water level is solved, the multifunctional irrigation system and the sealed lifting column are guaranteed to be applied to various terrains, and the multifunctional irrigation system is convenient to use, good in effect and good in social and economic benefits.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a perspective view of the water inlet switch of the present invention (gate valve closed).
Fig. 3 is a perspective view of the water intake converter of the present invention (gate valve open).
Fig. 4 is a cut-away perspective view of the influent water diverter of the present invention (gate valve open).
FIG. 5 is a sectional top view of the water intake converter of the present invention.
Fig. 6 is a cross-sectional side view of the influent water diverter (gate valve open) of the present invention.
Fig. 7 is a schematic sectional view of the arrangement in a state of use of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in figures 1-7, the invention relates to a backwater control device for a multifunctional irrigation system, which comprises a submersible pump 3 and a lift pipe 4, wherein the submersible pump 3 is fixed below the water surface of a well 1 in a suspension manner through the lift pipe 4, the upper end of the lift pipe 4 extends out of the upper opening of the well, the water outlet of the extended lift pipe is connected with the water inlet of a water supply valve 8, the water outlet of the water supply valve 8 is connected with a water supply pipeline 4a, a pipeline on the water inlet of the submersible pump 3 is provided with a coaxially connected water inlet converter 6, the water inlet converter 6 is of a tubular hollow structure with an upper opening and a lower opening, the upper end and the lower end of the water inlet converter are hermetically connected with the pipeline on the water inlet of the submersible pump 3, the side wall of the water inlet converter 6 is respectively provided with a water supply gate port 610 and a backwater water inlet 611 which are communicated with each other, a return water pipe 5 which extends upwards and extends out of the upper opening of the water well is connected to the return water inlet 611, the upper end of the return water pipe 5 is connected with the water supply pipe 4a, a water discharge pipe 7 with a water outlet positioned right above the water surface of the water well is connected to the lift pipe 4 on the water inlet side of the water supply valve 8, a return water valve 9 is arranged on the return water pipe 5, and a water discharge valve 10 is arranged on the water discharge pipe 7;
for guaranteeing the result of use, the water supply pipe 4a is kept away from the one end of water supply valve and is stretched into behind the earth's surface 19 and link to each other with the inhalant canal on each lift post base among the multi-functional irrigation system, the top surface elevation of the converter of intaking is less than the bottom surface elevation of lift post base and the difference in height of the two is greater than 10 m. Therefore, a water pressure difference larger than 10m is provided for the return water in the recovery of each level of circular hollow pipe of the telescopic column, and the complete recovery of each level of circular hollow pipe of the lifting column under the negative pressure action is ensured.
The lifting column is the prior art, and can be a lifting column which is applied by an applicant earlier and is used for a multifunctional fertigation system, a sealed lifting column with a publication number of CN 106068868B, a multi-section sealed lifting column with a publication number of 2019203354044 and used for sand irrigation, a lifting column with a publication number of 2020100161282 and having functions of sand filtering and scraping, and the like, and one end of a water supply pipeline 4a, which is far away from a water supply valve, of the lifting column is connected with a water inlet channel on a base of the lifting column. The one-way valve is arranged in the shell at the lower end of the rotary spray head at the upper end of the lifting column, and is used for sealing the joint of the rotary spray head and the upper end of the telescopic column when the telescopic pipe retracts, so that water in the telescopic column is underground under the action of negative pressure, and the lifting column is recovered under the action of the negative pressure.
The inner side of the gate plate is connected with a limiting block 64 for limiting the upper limit position of the gate plate, and the top of the inner wall of the water inlet converter is provided with a limiting baffle 621 corresponding to the limiting block 64.
The upper end edge of the flashboard is provided with a hanging ring 65 for installing a pull rope, and the hanging ring 65 is connected with a pull rope 15 which extends upwards and extends out of the upper opening of the water well and is used for controlling the flashboard to slide to open and close the water supply gate opening.
A positioning plate 2 is fixed at the upper opening of the well 1, and a lift pipe 4, a water return pipeline 5 and a water drain pipeline 7 are vertically fixed on the positioning plate 2.
The water drainage pipeline 7 is fixed on the positioning plate 2 through a first flange 11 a;
the lift pipe 4 is fixed on the positioning plate 2 through a second flange 11 b;
the water return pipeline 5 is fixed on the positioning plate 2 through a third flange 11 c;
the positioning plate can be overlapped together by a fourth flange 12a at the periphery thereof and a fifth flange 12b at the periphery of the upper opening of the water well, and is pressed and fixed together by a connecting bolt 13. During actual construction, also can fix through other modes, like bolted connection, public female head grafting etc. the locating plate also can be other structural style, like, channel-section steel structure, square column structure etc. its main objective is together fixed with the well wellhead for support lift pipe 4, return water pipeline 5 and water drain pipeline 7, thereby fix the surface of water below the well with immersible pump and water intaking converter suspension type.
The positioning plate 2 is provided with a pull rope through hole 17 which is communicated up and down, the upper end of the pull rope 15 penetrates through the pull rope through hole to extend out of the upper opening of the water well, the extending end part is connected with a hook 16, and the lifting pipe 4, the water return pipeline 5, the water drain pipeline 7 or the surface of the positioning plate extending out of the upper opening of the water well is provided with a plurality of hanging lugs 18 corresponding to the hooks.
The hangers is used for fixed stay cord, opens the gate valve through the stay cord, and the flashboard upwards slides, blocks on limit baffle 621 until stopper 64, can't continue to move up, and the water supply sluice gate is opened, hangs the couple of stay cord and adorns on the hangers, makes the flashboard of gate valve keep opening the state, irrigates the completion back, loosens the couple, and the flashboard slides down under self action of gravity, closes the water supply sluice gate. During the actual production, in order to guarantee that the flashboard falls back smoothly, a reset spring can be arranged between the flashboard and the water inlet converter shell, when the flashboard is lifted by the pull rope to open the water supply gate, the reset spring is stretched to store force, after the upper end of the pull rope is fixed, the water supply gate is kept in an open state, when the water supply gate needs to be closed, the pull rope is loosened, the flashboard resets under the dual actions of the elastic restoring force and the self gravity of the reset spring, the water supply gate is sealed again, and the smooth falling back of the water supply gate is guaranteed.
During actual production, the electromagnetic valve with the remote control function can replace a gate valve, but the form can greatly increase the cost of equipment, so that the water supply gate opening is opened by preferably adopting a mode of lifting the gate plate by a pull rope, and the overall cost is reduced.
The converter 6 of intaking is by the tubulose hollow structure of left semicircle sleeve pipe 61 and right left semicircle sleeve pipe 62 left and right piecing together constitution, is provided with corresponding protruding edge 68 of connecting on the just offside outer wall of left semicircle sleeve pipe 61 and right left semicircle sleeve pipe 62, and left semicircle sleeve pipe 61 and right left semicircle sleeve pipe 62 just are just to the back of piecing together, fixes the two together through connecting the housing bolt on protruding edge 68, constitutes tubulose hollow structure, through the coaxial sealing connection of sealing washer between the pipeline on converter of intaking and the immersible pump 3 water inlet.
When the irrigation water supply device is used, one end of the water supply pipeline 4a, which is far away from the water supply valve, is connected with the water inlet channel on the base of each lifting column to supply water for extending out of each lifting column for irrigation, during irrigation, the water supply valve 8 is opened, the water return valve 9 and the water discharge pipeline 7 are closed at the same time, the gate valve 63 is opened to enable the water supply gate to be communicated internally and externally, the submersible pump 3 is started, water 20 in the water well enters the submersible pump from the water supply gate, water is supplied for the lifting columns through the water supply pipeline under the action of water pressure provided by the submersible pump, the circular hollow pipes at all levels extend upwards, and finally water is sprayed out from the rotary spray head arranged at the upper end part of; after irrigation is finished, the water return valve 9 and the water drain pipeline 7 are opened, the water supply valve 8 is closed, the gate valve 63 is closed at the same time, a water supply gate opening is sealed, water in the lifting column sequentially enters the water inlet converter through the water supply pipeline and the water return pipeline, then enters the water drain pipeline from the lifting pipe under the action of water pressure provided by the submersible pump and finally returns to the water well from the upper part of the water surface of the water well again to form a water return circulation, all levels of circular hollow pipes of the lifting column completely fall back into the base of the lifting column under the action of self gravity and negative pressure, and in the water return process, the water inlet converter extends into the bottom of the water well, so that a large height difference is generated between the circular hollow pipes and the base of the lifting column, a sufficient water pressure difference is provided for water return, and all levels of the circular.
The invention achieves very good use effect through practical use, and the specific result is as follows:
the contrast groups 1 and 2 are 200 groups of multifunctional irrigation and fertilization systems adopting a sealed lifting column with the publication number of CN 106068868B, a submersible pump is fixed below the water surface of a well, a water supply pipeline is respectively connected with a water inlet channel on each lifting column base of the 200 groups of lifting columns, water is supplied to the lifting columns through the water supply pipeline, the water returns normally after irrigation is finished, all levels of circular hollow pipes of the lifting columns are naturally recovered under the action of self gravity and negative pressure, and the difference between the contrast groups 1 and 2 lies in that the liquid level of the well is different; the experimental groups 1 and 2 are 200 groups of multifunctional fertigation systems adopting a sealed lifting type lifting column with the publication number of CN 106068868B, are carried out under the same geological condition, the arrangement mode of telescopic columns is the same, and the difference from a comparison group is that the water return control device is adopted, the elevation of the top surface of a water inlet converter is lower than the elevation of the bottom surface of a base of the lifting column, the elevation difference is 12m, the difference between the experimental groups 1 and 2 is that the elevation of the liquid level of a water well is different, and the final experimental result is as follows:
in the above experiment, the lifting columns of the control group are kept in the same state basically for 100 times of lifting irrigation, and the difference is that the final height stays at the maximum extending height and slightly floats (within 5%), but the final height is in a state that the final height cannot be completely recovered, and 200 groups of telescopic columns of the lifting columns of the experimental group are completely recovered for 100 times of lifting irrigation.
The applicant points out that the above mentioned description of the present application is only an example and is not intended to limit the scope of the present application, and all technical solutions substantially the same as the technical solutions of the present application, which are made by equivalent or equivalent substitution means, belong to the scope of the present application.
Claims (7)
1. The utility model provides a return water controlling means for multi-functional irrigation system, includes immersible pump (3) and lift pipe (4), its characterized in that, immersible pump (3) are fixed in the surface of water below of well (1) by suspension type through lift pipe (4), and lift pipe (4) upper end stretches out the well upper mouth, and the lift pipe delivery port of extension links to each other with the water inlet of water supply valve (8), is connected with water supply pipeline (4a) on the delivery port of water supply valve (8), is equipped with water supply converter (6) of coaxial coupling on the pipeline on immersible pump (3) water inlet, water supply converter (6) are upper and lower open-ended tubular hollow structure, and its upper and lower extreme all with immersible pump (3) water inlet on the pipeline sealing connection, have inside and outside feed water gate (610) and return water inlet (611) of lining up respectively on the lateral wall of water supply converter (6), are provided with the activity on feed water gate (610) and open and, The water supply system comprises a gate valve (63) for opening or sealing a water supply gate, a return water inlet (611) is connected with a return water pipeline (5) which extends upwards and extends out of an upper opening of a water well, the upper end of the return water pipeline (5) is connected with a water supply pipeline (4a), a lift pipe (4) on the water inlet side of a water supply valve (8) is connected with a drain pipeline (7) of which the water outlet is positioned right above the water surface of the water well, the return water pipeline (5) is provided with a return water valve (9), and the drain pipeline (7) is provided with a drain valve (10;
when the water supply device is used, one end of the water supply pipeline (4a) far away from the water supply valve is connected with the water inlet channel on the base of each lifting column to extend out of each lifting column for irrigation water supply, the water supply valve (8) is opened during irrigation, the water return valve (9) and the water drain pipeline (7) are closed at the same time, the gate valve (63) is opened to enable the water supply gate to be communicated with the inside and the outside, the submersible pump (3) is started, water (20) in the water well enters the submersible pump from the water supply gate, the water is supplied to the lifting columns through the water supply pipeline under the action of water pressure provided by the submersible pump, all levels of circular hollow pipes extend upwards, and finally the water is sprayed out from the rotary spray nozzle arranged at the; after irrigation is finished, a water return valve (9) and a water discharge pipeline (7) are opened, a water supply valve (8) is closed, a gate valve (63) is closed at the same time, a water supply gate opening is sealed, water in the lifting column sequentially enters a water inlet converter through the water supply pipeline and the water return pipeline, then enters the water discharge pipeline from a lifting pipe under the action of water pressure provided by a submersible pump and finally returns to the water well from the upper part of the water surface of the water well again, return water circulation is formed, all levels of circular hollow pipes of the lifting column completely fall back to the base of the lifting column under the action of self gravity and negative pressure, and in the process of returning water, the water inlet converter extends into the bottom of the water well, so that a large height difference is generated between the circular hollow pipes and the base of the lifting column, a sufficient water pressure difference is provided for returning water, and all.
2. The water return control device for the multifunctional irrigation system as claimed in claim 1, wherein one end of the water supply pipeline (4a) far away from the water supply valve extends into the ground surface (19) and then is connected with the water inlet channel on each lifting column base in the multifunctional irrigation system, the top surface elevation of the water inlet converter is lower than the bottom surface elevation of the lifting column base, and the height difference between the top surface elevation and the bottom surface elevation is greater than 10 m.
3. The water return control device for the multifunctional irrigation system as claimed in claim 1, wherein vertical rails (66) are arranged on two sides of the water supply gate (610), the gate valve (63) is a gate plate corresponding to the vertical rails (66), and two sides of the gate plate are slidably arranged in the vertical rails (66) and slide along the length direction of the vertical rails to form an opening and closing structure that the gate plate slides up and down along the water supply gate.
4. The water return control device for a multifunctional irrigation system as claimed in claim 3, wherein a limiting block (64) for limiting the upper limit position of the gate is connected to the inner side of the gate, and a limiting baffle (621) corresponding to the limiting block (64) is arranged at the top of the inner wall of the water inlet converter.
5. The water return control device for the multifunctional irrigation system as recited in claim 4, wherein a hanging ring (65) for installing a pulling rope is arranged at the upper end edge of the flashboard, and the pulling rope (15) which extends upwards and extends out of the upper opening of the water well and is used for controlling the sliding opening and closing of the flashboard on the water supply gate opening is connected to the hanging ring (65).
6. The water return control device for the multifunctional irrigation system as claimed in claim 5, wherein the positioning plate (2) is fixed at the upper opening of the water well (1), and the lift pipe (4), the water return pipeline (5) and the water drain pipeline (7) are vertically fixed on the positioning plate (2).
7. The water return control device for the multifunctional irrigation system as claimed in claim 6, wherein the positioning plate (2) is provided with a pull rope through hole (17) which is communicated up and down, the upper end of the pull rope (15) passes through the pull rope through hole and extends out of the upper opening of the water well, the extending end part is connected with a hook (16), and the surface of the lifting pipe (4), the water return pipeline (5), the water drain pipeline (7) or the positioning plate which extends out of the upper opening of the water well is provided with a plurality of lugs (18) corresponding to the hooks.
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| CN202010763175.3A CN111837887B (en) | 2020-08-01 | 2020-08-01 | Backwater control device for multifunctional irrigation system |
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| CN202010763175.3A CN111837887B (en) | 2020-08-01 | 2020-08-01 | Backwater control device for multifunctional irrigation system |
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Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5117855A (en) * | 1990-03-27 | 1992-06-02 | Aaron Goldsmith | Automatic water control apparatus |
| DE4406707A1 (en) * | 1994-03-02 | 1995-09-07 | Heinz Kern | Spray nozzle for watering plantation |
| JPH10243749A (en) * | 1997-03-03 | 1998-09-14 | Mitsubishi Plastics Ind Ltd | Water level controller and irrigation water management system for paddy field |
| US6036121A (en) * | 1998-09-14 | 2000-03-14 | Valmont Industries, Inc. | Method of varying the speed of a center pivot irrigation system |
| JP2004084311A (en) * | 2002-08-27 | 2004-03-18 | Water Resources Development Public Corp | Downstream water level controller |
| WO2009094875A1 (en) * | 2008-01-28 | 2009-08-06 | Junping Li | Numerical control energy-saving equipment which provides energy itself |
| CN103573288A (en) * | 2013-11-14 | 2014-02-12 | 淮北创奇设备有限公司 | Pneumatic negative pressure drainage device |
| CN203505212U (en) * | 2013-09-13 | 2014-04-02 | 黄少锋 | Connectable automatically-telescopic underground sprinkling irrigation device |
| CN105454001A (en) * | 2015-12-31 | 2016-04-06 | 杨旗 | Lifting column for multifunctional irrigation and fertilization system |
| CN106068868A (en) * | 2016-06-28 | 2016-11-09 | 杨旗 | Seal the lifting column of lift |
| CN107725801A (en) * | 2017-11-23 | 2018-02-23 | 宋庆波 | Composite floating body formula Multifunction water plug |
| CN107889725A (en) * | 2017-11-27 | 2018-04-10 | 王建锋 | More piece automatic telescopic sprinkling irrigation delivery port |
| WO2018118712A1 (en) * | 2016-12-23 | 2018-06-28 | The Board Of Trustees Of The University Of Arkansas | Irrigation system |
| US10578225B1 (en) * | 2018-02-27 | 2020-03-03 | Anthony Mayorga | Automated gray water system |
| CN111109050A (en) * | 2020-01-08 | 2020-05-08 | 河南及时雨智能科技有限公司 | Sand filter for lifting column |
| CN213095310U (en) * | 2020-08-01 | 2021-05-04 | 河南及时雨智能科技有限公司 | Water return control device for multifunctional irrigation system |
-
2020
- 2020-08-01 CN CN202010763175.3A patent/CN111837887B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5117855A (en) * | 1990-03-27 | 1992-06-02 | Aaron Goldsmith | Automatic water control apparatus |
| DE4406707A1 (en) * | 1994-03-02 | 1995-09-07 | Heinz Kern | Spray nozzle for watering plantation |
| JPH10243749A (en) * | 1997-03-03 | 1998-09-14 | Mitsubishi Plastics Ind Ltd | Water level controller and irrigation water management system for paddy field |
| US6036121A (en) * | 1998-09-14 | 2000-03-14 | Valmont Industries, Inc. | Method of varying the speed of a center pivot irrigation system |
| JP2004084311A (en) * | 2002-08-27 | 2004-03-18 | Water Resources Development Public Corp | Downstream water level controller |
| WO2009094875A1 (en) * | 2008-01-28 | 2009-08-06 | Junping Li | Numerical control energy-saving equipment which provides energy itself |
| CN203505212U (en) * | 2013-09-13 | 2014-04-02 | 黄少锋 | Connectable automatically-telescopic underground sprinkling irrigation device |
| CN103573288A (en) * | 2013-11-14 | 2014-02-12 | 淮北创奇设备有限公司 | Pneumatic negative pressure drainage device |
| CN105454001A (en) * | 2015-12-31 | 2016-04-06 | 杨旗 | Lifting column for multifunctional irrigation and fertilization system |
| CN106068868A (en) * | 2016-06-28 | 2016-11-09 | 杨旗 | Seal the lifting column of lift |
| WO2018118712A1 (en) * | 2016-12-23 | 2018-06-28 | The Board Of Trustees Of The University Of Arkansas | Irrigation system |
| CN107725801A (en) * | 2017-11-23 | 2018-02-23 | 宋庆波 | Composite floating body formula Multifunction water plug |
| CN107889725A (en) * | 2017-11-27 | 2018-04-10 | 王建锋 | More piece automatic telescopic sprinkling irrigation delivery port |
| US10578225B1 (en) * | 2018-02-27 | 2020-03-03 | Anthony Mayorga | Automated gray water system |
| CN111109050A (en) * | 2020-01-08 | 2020-05-08 | 河南及时雨智能科技有限公司 | Sand filter for lifting column |
| CN213095310U (en) * | 2020-08-01 | 2021-05-04 | 河南及时雨智能科技有限公司 | Water return control device for multifunctional irrigation system |
Non-Patent Citations (2)
| Title |
|---|
| 尹万和;陈青书: "NFM25-15埋藏式喷头", 喷灌技术 * |
| 谢崇宝;张国华;鲁少华;卢文娟;谢瑞环;: "地埋式自升降喷滴管灌多功能取水器研发" * |
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