CN102284389B - Anti-blockage drip irrigation irrigator - Google Patents
Anti-blockage drip irrigation irrigator Download PDFInfo
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- CN102284389B CN102284389B CN 201110138877 CN201110138877A CN102284389B CN 102284389 B CN102284389 B CN 102284389B CN 201110138877 CN201110138877 CN 201110138877 CN 201110138877 A CN201110138877 A CN 201110138877A CN 102284389 B CN102284389 B CN 102284389B
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- water dropper
- top cover
- irrigation
- stabilizing valve
- water
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Abstract
The invention belongs to the technical field of field irrigation, and particularly relates to an anti-blockage drip irrigation douche. The drip irrigation douche comprises a top cover, a dripper and a flow stabilizing valve, wherein an inner cavity of the dripper is divided into two parts, namely a water inlet cavity and a buffer cavity, by the flow stabilizing valve which is embedded into the inner cavity of the dripper and is a hollow conical body provided with a downward opening and of which the tip is provided with a crossed star-like cut; on the lower part of the buffer cavity, the hollow conical tip of the dripper is provided with a crossed cut; and the dripper is connected with a capillary pipe through the top cover. The drip irrigation douche has a pressure compensation function, can also guarantee the uniformity of irrigation under the condition of long capillary pipes or complex terrain, has self-flushing and automatic pressure boosting unblocking self-repair functions, can be used for resisting physical blockage and biological blockage, has superior anti-blockage performance and is particularly suitable for underground irrigation and under-film irrigation in which the drip irrigation douche is difficult to replace. The drip irrigation douche has a simple structure and high durability and is convenient to process, produce and use and low in investment.
Description
Technical field:
The invention belongs to the field irrigation technical field, relate in particular to a kind of Antiplugging drip irrigation irrigator.
Background technology:
Drip irrigation is a kind of of localized irrigation, is comprised of five parts such as head pivot, main, arm, hollow billet, douches.1. head pivot is undertaken water intaking, pressurization and water treatment task, is comprised of parts such as water pump or head-tank, filter, fertilizer pot, Pressure gauge, flowmeters; 2. main plays the water delivery effect; 3. arm plays the water distribution effect, presses control area size and the water demand of crop, and irrigation water is assigned to the irrigated plot; 4. hollow billet connects with arm, and water is delivered near the crop root; 5. douche comprises: water dropper, delivery port etc., the type of having nothing in common with each other and shape are in order to wetting crop root soil equably.Drip irrigation pipe and douche are arranged under the earth's surface, are referred to as underground drip irrigation.The outstanding advantages of drip irrigation is that very water-saving, particularly underground drip irrigation almost do not have evaporation of soil moisture because of irrigation water, and the irrigation water use efficiency is higher, and the automaticity of drip irrigation is high, can make soil moisture remain at optimum state.The major defect of drip irrigation is that douche stops up, and particularly is difficult to change the underground drip irrigation of douche, and it is the main cause that causes underground drip irrigation system to be scrapped that douche stops up, and the normal operation life-span only has 3～5 years.
Drip emitter stops up and generally can be divided three classes: physical clogging, the biological obstruction and the chemistry obstruction.Physical clogging mainly refer to by filter thoroughly and when stopping to supply water douche delivery port negative pressure suck soil particle and particle causes in the water that produces douche delivery port stops up; The biological obstruction refers to mainly that bacterium breed and douche delivery port obstruction that the dope that forms causes and crop root hydrotaxis are grown and entered the delivery port obstruction that causes douche inside by the douche delivery port in the douche runner; Chemistry stops up and to refer to that mainly dissolving salt separates out the douche delivery port that causes and stop up, and chemistry only stops up under special circumstances generation, and for example temperature Change has caused the salt solubility variation during brackish water irrigation.The position of stopping up focuses mostly at the douche delivery port.
The method of the anti-obstruction of drip emitter generally can be divided into two classes: chemical method and physical method.Chemical method refers in irrigation water regularly to inject or the raw material of douche production add chemical agent and kill bacterium in the douche and the method for douche exterior circumferential crop root, can cause certain pollution to soil, environment because add chemical agent, additive capacity is very strict, specification requirement is high, except a few countries such as the U.S., generally need not.The anti-obstruction of physical method is the method that generally adopts, researcher or the personage among the people of specialty have carried out unremitting effort for the performance that improves the anti-obstruction of physical method, relevant invention, utility model patent constantly occur, but up to the present, the defective that drip emitter stops up does not still well overcome, reason is: the thick tamper poor effect that the physical method of existing anti-obstruction produces removing biological bacterium, even have no way out, or structure is too complicated, investment is large, production, constructional difficulties and be difficult to be generalizable.
Summary of the invention:
The object of the present invention is to provide a kind of simple in structure, investment is little, be convenient to produce and construct, the Antiplugging drip irrigation irrigator of performance of anti-blockage excellence especially.
The object of the present invention is achieved like this:
A kind of Antiplugging drip irrigation irrigator, comprise: top cover, water dropper, flow stabilizing valve, top cover is provided with the connection-peg that barb is installed that is connected with hollow billet, top cover is provided with cylindrical water inlet flow channel, top cover is provided with for the snap close that water dropper is installed, water dropper is provided with the snap close corresponding with the top cover snap close, the top of water dropper is that the outside is with the hollow cylinder of snap close, the bottom of water dropper is hollow cone, the inner chamber top of water dropper is that the cylinder bottom is cone, the flow stabilizing valve that the inner chamber of water dropper is embedded in the water dropper inner chamber is divided into intake antrum and cushion chamber two parts, bottom at cushion chamber, the tip of the hollow cone of water dropper has cross recess, flow stabilizing valve is the hollow cone that Open Side Down, the tip of flow stabilizing valve hollow cone has cross star otch, when four tongue pieces of cross star otch are drawn close fully to center curvature, can not complete closed, the center will be reserved and prevent the flowing hole shut, one end of top cover is connected with hollow billet by connection-peg, the other end of top cover is connected with water dropper by snap close, flow stabilizing valve is embedded in the inner chamber of water dropper, top cover, water dropper, the center of the flow section of flow stabilizing valve point-blank, the cross section outer wheels profile vertical with this straight line is circle, passes through water inlet flow channel from the irrigation water of hollow billet, intake antrum, cross star otch, cushion chamber, cross recess flows in the soil of being irrigated.
Described water dropper, flow stabilizing valve are made by elastomeric material, for example silicone rubber.
Operation principle and the process of Antiplugging drip irrigation irrigator of the present invention are as follows:
Start irrigation system, irrigation water enters the inner chamber of water dropper by water inlet flow channel, originally cross recess maintains the original state under elastic reaction and does not open, the pressure of cushion chamber is with the pressure rise of intake antrum, when the pressure rise of cushion chamber when being enough to overcome the elasticity of cross recess, cross recess opens suddenly, irrigation water sprays from cushion chamber, irrigation water is after the cushion chamber ejection, pressure in the cushion chamber descends rapidly, pressure reduction appears in intake antrum and cushion chamber, and under the effect of this pressure reduction, four tongue pieces of the cross star otch of flow stabilizing valve are to the runner center curvature, area of passage dwindles, the operating pressure of pressure stability when normal irrigation of final cushion chamber finished from flushing process, enters the normal irrigation state.To finish moment from flushing process, the operating pressure of the pressure that cushion chamber acts on cross recess when certainly washing during greater than normal irrigation.
After entering the normal irrigation state, if pressure of supply water increases, the pressure reduction of intake antrum and cushion chamber also increases thereupon, four tongue pieces of the cross star otch of flow stabilizing valve are further increased to the degree of runner center curvature, area of passage also further dwindles, otherwise, pressure of supply water reduces, the pressure reduction of intake antrum and cushion chamber also reduces thereupon, four tongue pieces of the cross star otch of flow stabilizing valve are also further reduced to the degree of runner center curvature, area of passage further enlarges, be that area of passage and pressure of supply water are inverse ratio and change, the operating pressure when making the normal irrigation of cushion chamber does not change with pressure of supply water, and the operating pressure when acting on the normal irrigation of cross recess is constant, the outflow of cross recess is also constant, keeps constant.
In case cross recess stops up, pressure in the cushion chamber rises rapidly, operating pressure in the time of will having far above normal irrigation acts on cross recess, until tamper is gone out, pressure in the cushion chamber descends rapidly, and under the effect of intake antrum and cushion chamber pressure reduction, flow stabilizing valve will regulate that the interior pressure of cushion chamber enters or the operating pressure when coming back to normal irrigation, enter or come back to the normal irrigation state, the self-regeneration process that automatically having finished boosts stops up.
The above-mentioned course of work, the pressure that acts on cross recess is followed successively by: automatic boosting goes the operating pressure of the pressure of the self-regeneration process stopped up＞when the pressure of flushing process＞normal irrigation, and the opening width size sequence of corresponding cross recess also is like this with it.
The present invention has following good effect:
1, Antiplugging drip irrigation irrigator has pressure compensation, and pressure becomes and flow is constant.In the situation of overlength hollow billet or complex-terrain, also can guarantee the uniformity of pouring water.
2, Antiplugging drip irrigation irrigator, performance of anti-blockage is excellent, has from flushing and automatic boosting to go the self-regeneration function stopped up anti-physical clogging not only, also antibiont obstruction.Particularly suitable is difficult for changing sub-irrigation and the irrigation under film of douche.
This be because:
1. the delivery port of Antiplugging drip irrigation irrigator (cross recess) only reaches in the situation of certain malleation and just can open, and therefore negative pressure can not occur suck the situation that soil particle enters delivery port.
2. the delivery port of Antiplugging drip irrigation irrigator (cross recess) is in closed condition usually, adds when irrigating from flushing process and automatic boosting to go the self-regeneration process stopped up, and crop root is had no chance to enter delivery port and caused delivery port to stop up.
3. Antiplugging drip irrigation irrigator is not deposited so-called 0.7mm and is stopped up SENSITIVE SIZE, the size dimension of delivery port is dynamic change, the thick tamper that biological bacterium produces adds that certainly flushing and automatic boosting go the self-regeneration of stopping up, even also can be removed easily.
3, simple in structure, processing, production, easy to use, drop into low, good endurance.
Description of drawings:
Accompanying drawing is the schematic diagram of Antiplugging drip irrigation irrigator of the present invention.
The specific embodiment:
A kind of Antiplugging drip irrigation irrigator, as shown in drawings, comprise: top cover 1, water dropper 2, flow stabilizing valve 3, top cover 1 is provided with the connection-peg 1-1 that barb is installed that is connected with hollow billet, top cover 1 is provided with cylindrical water inlet flow channel 1-2, top cover 1 is provided with for the snap close 1-3 that water dropper 2 is installed, water dropper 2 is provided with the snap close 2-1 corresponding with top cover 1 snap close 1-3, the top of water dropper 2 is that the outside is with the hollow cylinder of snap close 2-1, the bottom of water dropper 2 is hollow cone, the inner chamber top of water dropper 2 is that the cylinder bottom is cone, the flow stabilizing valve 3 that the inner chamber of water dropper 2 is embedded in water dropper 2 inner chambers is divided into intake antrum 2-2 and cushion chamber 2-3 two parts, bottom at cushion chamber 2-3, the tip of the hollow cone of water dropper 2 has cross recess 2-4, flow stabilizing valve 3 is the hollow cone that Open Side Down, the tip of flow stabilizing valve 3 hollow cones has cross star otch 3-1, when four tongue pieces of cross star otch 3-1 are drawn close fully to center curvature, can not complete closed, the center will be reserved and prevent the flowing hole shut, one end of top cover 1 is connected with hollow billet by connection-peg 1-1, the other end of top cover 1 is by snap close 1-3,2-1 is connected with water dropper 2, flow stabilizing valve 3 is embedded in the inner chamber of water dropper 2, top cover 1, water dropper 2, the center of the flow section of flow stabilizing valve 3 point-blank, the cross section outer wheels profile vertical with this straight line is circle, from the irrigation water of hollow billet by water inlet flow channel 1-2, intake antrum 2-2, cross star otch 3-1, cushion chamber 2-3, cross recess 2-4 flows in the soil of being irrigated.
Described water dropper 2, flow stabilizing valve 3 are made by elastomeric material, for example silicone rubber.
Operation principle and the process of Antiplugging drip irrigation irrigator of the present invention are as follows:
As shown in drawings, start irrigation system, irrigation water enters the inner chamber of water dropper 2 by water inlet flow channel 1-2, originally cross recess 2-4 maintains the original state under elastic reaction and does not open, the pressure of cushion chamber 2-3 is with the pressure rise of intake antrum 2-2, when the pressure rise of cushion chamber 2-3 when being enough to overcome the elasticity of cross recess 2-4, cross recess 2-4 opens suddenly, irrigation water sprays from cushion chamber 2-3, irrigation water is after cushion chamber 2-3 ejection, and the pressure in the cushion chamber 2-3 descends rapidly, and pressure reduction appears in intake antrum 2-2 and cushion chamber 2-3, under the effect of this pressure reduction, four tongue pieces of the cross star otch 3-1 of flow stabilizing valve 3 are to the runner center curvature, and area of passage dwindles, the operating pressure of pressure stability when normal irrigation of final cushion chamber 2-3, finished from flushing process, entered the normal irrigation state.To finish moment from flushing process, the operating pressure of the pressure that cushion chamber 2-3 acts on cross recess 2-4 when certainly washing during greater than normal irrigation.
After entering the normal irrigation state, if pressure of supply water increases, the pressure reduction of intake antrum 2-2 and cushion chamber 2-3 also increases thereupon, four tongue pieces of the cross star otch 3-1 of flow stabilizing valve 3 are further increased to the degree of runner center curvature, area of passage also further dwindles, otherwise, pressure of supply water reduces, the pressure reduction of intake antrum 2-2 and cushion chamber 2-3 also reduces thereupon, four tongue pieces of the cross star otch 3-1 of flow stabilizing valve 3 are also further reduced to the degree of runner center curvature, area of passage further enlarges, be that area of passage and pressure of supply water are inverse ratio and change, the operating pressure when making the normal irrigation of cushion chamber 2-3 does not change with pressure of supply water, and the operating pressure when acting on the normal irrigation of cross recess 2-4 is constant, the outflow of cross recess 2-4 is also constant, keeps constant.
In case cross recess 2-4 stops up, pressure in the cushion chamber 2-3 rises rapidly, operating pressure in the time of will having far above normal irrigation acts on cross recess 2-4, until tamper is gone out, pressure in the cushion chamber 2-3 descends rapidly, under the effect of intake antrum 2-2 and cushion chamber 2-3 pressure reduction, flow stabilizing valve 3 will regulate that pressure in the cushion chamber 2-3 enters or the operating pressure when coming back to normal irrigation, enter or come back to the normal irrigation state, the self-regeneration process that automatically having finished boosts stops up.
The above-mentioned course of work, the pressure that acts on cross recess 2-4 is followed successively by: automatic boosting goes the operating pressure of the pressure of the self-regeneration process stopped up＞when the pressure of flushing process＞normal irrigation, and the opening width size sequence of corresponding cross recess 2-4 also is like this with it.
Claims (1)
1. Antiplugging drip irrigation irrigator, it is characterized in that: comprise top cover (1), water dropper (2), flow stabilizing valve (3), top cover (1) is provided with the connection-peg that barb is installed (1-1) that is connected with hollow billet, top cover (1) is provided with cylindrical water inlet flow channel (1-2), top cover (1) is provided with for the snap close A (1-3) that water dropper (2) is installed, water dropper (2) is provided with the snap close B (2-1) corresponding with top cover (1) snap close A (1-3), the top of water dropper (2) is that the outside is with the hollow cylinder of snap close B (2-1), the bottom of water dropper (2) is hollow cone, the inner chamber top of water dropper (2) is that the cylinder bottom is cone, the flow stabilizing valve (3) that the inner chamber of water dropper (2) is embedded in water dropper (2) inner chamber is divided into intake antrum (2-2) and cushion chamber (2-3) two parts, bottom at cushion chamber (2-3), the tip of the hollow cone of water dropper (2) has cross recess (2-4), flow stabilizing valve (3) is the hollow cone that Open Side Down, the tip of flow stabilizing valve (3) hollow cone has cross star otch (3-1), when four tongue pieces of cross star otch (3-1) are drawn close fully to center curvature, can not complete closed, the center will be reserved and prevent the flowing hole shut, one end of top cover (1) is connected with hollow billet by connection-peg (1-1), the other end of top cover (1) is by snap close A (1-3), snap close B (2-1) is connected with water dropper (2), flow stabilizing valve (3) is embedded in the inner chamber of water dropper (2), top cover (1), water dropper (2), the center of the flow section of flow stabilizing valve (3) point-blank, the cross section outer wheels profile vertical with this straight line is circle, irrigation water from hollow billet passes through water inlet flow channel (1-2), intake antrum (2-2), cross star otch (3-1), cushion chamber (2-3), cross recess (2-4) flows in the soil of being irrigated, described water dropper (2), flow stabilizing valve (3) is made by elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110138877 CN102284389B (en) | 2011-05-27 | 2011-05-27 | Anti-blockage drip irrigation irrigator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110138877 CN102284389B (en) | 2011-05-27 | 2011-05-27 | Anti-blockage drip irrigation irrigator |
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| Publication Number | Publication Date |
|---|---|
| CN102284389A CN102284389A (en) | 2011-12-21 |
| CN102284389B true CN102284389B (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110138877 Expired - Fee Related CN102284389B (en) | 2011-05-27 | 2011-05-27 | Anti-blockage drip irrigation irrigator |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752560B (en) * | 2014-01-16 | 2016-05-04 | 中国农业大学 | Utilize microorganism antagonism to remove the method that drip irrigation system douche stops up |
| CN105104113B (en) * | 2015-09-08 | 2017-12-22 | 大禹节水（天津）有限公司 | A kind of special double membranous type uniguides of drip irrigation below the surface connect bypass |
| CN107818221B (en) * | 2017-11-01 | 2019-02-19 | 黑龙江省水利水电勘测设计研究院 | Interior edge column type water dropper, structural optimization method, device and equipment |
| CN113875553B (en) * | 2021-09-28 | 2022-08-26 | 安徽省益丰生态农业科技有限公司 | Anti-clogging drip irrigation emitter |
| CN114916409B (en) * | 2022-04-19 | 2024-03-12 | 三峡大学 | Opposite-flushing self-washing anti-blocking infiltrating irrigation device and preparation and anti-blocking method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2438509Y (en) * | 2000-07-04 | 2001-07-11 | 李天根 | External mounting nozzle |
| CN202077453U (en) * | 2011-05-27 | 2011-12-21 | 中国农业科学院农田灌溉研究所 | Blocking-resisting drop irrigation douche |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2224687B1 (en) * | 1973-02-14 | 1980-06-27 | Iplex Plastic Ind Pty Ltd | |
| US20030038191A1 (en) * | 2001-08-23 | 2003-02-27 | Jianhua Fan | Micro irrigation dropper |
-
2011
- 2011-05-27 CN CN 201110138877 patent/CN102284389B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2438509Y (en) * | 2000-07-04 | 2001-07-11 | 李天根 | External mounting nozzle |
| CN202077453U (en) * | 2011-05-27 | 2011-12-21 | 中国农业科学院农田灌溉研究所 | Blocking-resisting drop irrigation douche |
Non-Patent Citations (1)
| Title |
|---|
| JP特开昭50-141358 1975.11.13 |
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| CN102284389A (en) | 2011-12-21 |
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Granted publication date: 20130123 Termination date: 20200527 |
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