CN102550368A - Underground pressure bubbler root irrigation device - Google Patents
Underground pressure bubbler root irrigation device Download PDFInfo
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- CN102550368A CN102550368A CN2011104116982A CN201110411698A CN102550368A CN 102550368 A CN102550368 A CN 102550368A CN 2011104116982 A CN2011104116982 A CN 2011104116982A CN 201110411698 A CN201110411698 A CN 201110411698A CN 102550368 A CN102550368 A CN 102550368A
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- irrigator
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- root irrigation
- irrigation machine
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Abstract
The invention discloses an underground pressure-compensating bubbler root irrigation device, comprising a connection piece. An irrigation device core and an upper cover form a combined structure, the connection piece is connected with a capillary pipe through a joint, the irrigation device core is connected with the connection piece through a screw, and the connection piece is provided with a water inlet; and a maze runner in an inclined tooth shape is distributed on the irrigation device core, and filter screen grids and a pressure compensating area are arranged in the pipe. The working principle of the underground pressure-compensating bubbler root irrigation device disclosed by the invention is as follows: water flow in the capillary pipe is divided and then enter the irrigation device core through the water inlet of the connection piece, directly attacks an elastic membrane sheet in the irrigation device core, enters the maze runner through the filter screen grids to dissipate energy and then flows out through a runner outlet communicated with a lower cavity, wherein the elastic membrane sheet is deformed due to the attack function of a pressure water flow so as to press a round water outlet to change overflow area, and thus a function of pressure regulation is realized; and the water flow subjected to energy dissipation flows out of an overflow hole and then permeates into the soil.
Description
Technical field
The invention belongs to agricultural economy woods irrigation technique field, drought-hit area, particularly a kind of buried pressure compensation fountain root irrigation machine is applicable to that solving the mountain region economic forest irrigates problem.
Background technology
Slight irrigation is as the irrigation technique of water-saving, and by the irrigation of more and more kind lands for growing field crops and economic crops is adopted, to the requirement of need water and the irrigation program of Different Crop, developing corresponding irrigator is the demand that slight irrigation develops.
Satisfying certain uniformity of irrigation water appilcation is one of important indicator of slight irrigation design, no matter promptly how the irrigator operating pressure changes, each strain plant should obtain irrigation quantity much at one.Mountain region economic forest slight irrigation has three characteristics, and the one, the mountain topography gradient is big, and pressure changes greatly; The 2nd, requirement irrigator irrigation flow is big, and irrigate band (pipe) and water dropper seem that flow is less than normal when using.The 3rd, the mountain region evaporation is strong, need irrigator be embedded in underground to reduce evaporation.So common labyrinth flow-path irrigator and pressure compensating emitter can not satisfy the requirement of pouring water of mountain region economic forest, developing corresponding irrigator becomes problem demanding prompt solution.
A kind of root-irrigation method of underground artesian spring that is applicable to trees " (application number: 200810150395.8); proposed a kind of novel irrigation method-spring root that is applicable to that economic forest is irrigated and irritated; this irrigation method is layed in slight irrigation equipment underground, directly water is delivered to crop root zone, has greatly improved duration of service; reduced invalid evaporation, and significant yield increase effect is arranged.201010156199.9), a kind of adjustable-pressure fountain root irrigation machine (application number: 201010156210.1) and a kind of helical teeth labyrinth flow-path fountain root irrigation machine (application number: 201010208686.5) a kind of screw-type fountain root irrigation machine (application number:; The irrigator labyrinth flow-path has been carried out optimal design; Hydraulic performance is good; But do not have pressure compensation, being applied to the mountain region irrigation has certain limitation.Patented invention of the present invention a kind of buried pressure compensation spring root irrigator, labyrinth flow-path and pressure compensation principle are combined, can solve the mountain region economic forest and irrigate problem.
Summary of the invention
Terrain slope to existing in the irrigation of mountain region economic forest is big, and evaporation is strong, the problems such as flow is little of pouring water; The objective of the invention is to, a kind of buried pressure compensation fountain root irrigation machine is provided, this irrigator is a fabricated structure; Labyrinth flow-path energy dissipating and pressure compensation are integrally combined; And it is underground that hollow billet and irrigator system are embedded in, and helps farming, is specially adapted to the mountain region economic forest and irrigates.
In order to realize above-mentioned task, the present invention takes following technical solution:
A kind of buried pressure compensation fountain root irrigation machine is characterized in that, by connector; Irrigator core and loam cake constitute fabricated structure; This buried pressure compensation fountain root irrigation machine is embedded in underground, directly be embedded in underground hollow billet and link to each other, the order of pressing underground three is connector, irrigator core and loam cake; Connector and irrigator core are through being threaded, and the irrigator core inserts the loam cake driving fit;
Said connector all has screw thread up and down, and following screw thread is an external screw thread, and last screw thread is an internal thread, and the external screw thread of internal thread and irrigator core bottom coincide, and the connector bottom of thread has a groove to inner process, and the irrigator core injects in this groove; The dividing plate of band circular hole in the middle of having one between the screw thread up and down of connector, this circular hole is equivalent to the water inlet of irrigator, and aqueduct is arranged at dividing plate top;
Described irrigator core is a pipe with certain wall thickness; Be distributed with helical teeth shape labyrinth flow-path on the tube wall of pipe; Filter screen grid and pressure compensation district are arranged in the pipe; The pressure compensation district is by annular cavity of resorption, the runner exit of flexible sheet, placement flexible sheet, and guiding gutter and circular delivery port constitute; Two symmetrical circular spout holes are arranged at irrigator core top;
Said lid is inboard to join with irrigator core top, and two ventilation water-guiding holes are arranged on the lid, and there is a sleeve in the lid outside, and these sleeve two ends are penetrating, and sleeve diameter equals the external diameter of lid, and the irrigator core inserts in the sleeve.Avoid root intrusion and negative pressure to inhale mud, reduce the generation of stopping up.
The operation principle of buried pressure compensation fountain root irrigation machine of the present invention is: the current shunting back in the hollow billet gets into the irrigator core by the water inlet in the connector, after directly strike is positioned at the flexible sheet of irrigator in-core portion, gets into the labyrinth flow-path energy dissipating by filter screen; Flowed out by the runner exit that communicates with cavity of resorption, flexible sheet is because the strike effect generation deformation of pressure flow again, thereby pushes down circular apopore; When water flow pressure hour, area of passage is big, when water flow pressure is big; Area of passage reduces; After reaching certain pressure, area of passage is constant basically, thereby reaches the pressure regulation function.Loam cake and the driving fit of irrigator core, and leave flowing hole, the current of process energy dissipating are just flowed out by flowing hole and infiltrate soil.
Buried pressure compensation fountain root irrigation machine of the present invention is 8-24m through applicant's the pressure compensation interval that experiment showed; Flow is 8L/h, and the fluidised form index is 0.03, and pressure compensation is functional; Can well adapt to mountain topography; The assurance uniformity of pouring water, and because this irrigator flow is bigger, every strain only is equipped with one and gets final product.
Buried pressure compensation fountain root irrigation machine of the present invention; Fountain root irrigation machine before being different from; It not only organically combines big runner in labyrinth and pressure compensation principle; And the irrigator core also no longer links to each other with underground hollow billet through microtubule, but links to each other with hollow billet through being embedded in underground connector, has so just avoided the microtubule on the exposure and the face of land when farming, to be destroyed.Adopt this pressure compensation douche, can pipe-line system all be imbedded undergroundly, have only loam cake to flush, significantly improve the service life of irrigator and pipe-line system, reduce cost, and can reduce evaporation from land surface, improve WUEL with the face of land.
Description of drawings
Fig. 1 is a buried pressure compensation spring root fill system sketch map of the present invention, among the figure: 1, connector, 2, the irrigator core, 3, loam cake.
Fig. 2 is buried pressure compensation fountain root irrigation machine overall structure figure of the present invention, (a) is front view, (b) cutaway view.Mark among the figure is represented respectively: 4, the dividing plate of middle band circular hole, 5, aqueduct, 6, pressure compensation district (in the frame of broken lines), 7, flexible sheet, 8, the helical teeth labyrinth flow-path, 9, runner exit, 10, spout hole, 11, the ventilation water-guiding hole.
Fig. 3 is a pressure compensation douche cored structure sketch map, (a) is front view, (b) is cutaway view, also is pressure compensation district sketch map.The mark of figure in (a) represented respectively: 8, helical teeth labyrinth flow-path, 15, the filter screen grid; 7, flexible sheet, 9, runner exit, 12, the annular cavity of resorption, 13, guiding gutter, 14, circular delivery port.
Fig. 4 is the pressure flow relation curve of the buried pressure compensation fountain root irrigation machine of the present invention, and wherein abscissa is pressure (m), and ordinate is flow (L/h)
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further specified.
Embodiment
Referring to Fig. 1, present embodiment provides a kind of buried pressure compensation fountain root irrigation machine, can all be embedded in underground with the hollow billet system.This buried pressure compensation fountain root irrigation machine is a fabricated structure, comprises connector 1, pressure compensation douche core 2 and loam cake 3, and the order of pressing underground three is a connector 1, irrigator core 2, loam cake 3.Connector 1 and irrigator core 2 are connected through screw, and irrigator 2 cores insert loam cake 3, both driving fits.This irrigator directly is connected with hollow billet through 20 joints, and the outside has and also comprises a matching used pp cotton-padded covering tube, makes the sluggish flow that comes out from buried pressure compensation fountain root irrigation machine soil infiltration towards periphery, and avoids root system and earth to invade.
Referring to Fig. 2, Fig. 3, irrigator core 2 becomes one with connector 1, and connector 1 is provided with water inlet; Irrigator core 2 is one and has certain thickness pipe, is distributed with helical teeth shape labyrinth flow-path 8 on the tube wall of pipe, and filter screen grid 15 and pressure compensation district 6 are arranged in the pipe; Pressure compensation district 6 is by flexible sheet 7, runner exit 9, filter screen 15; Under the annular 12; The fan-shaped chute 13 of crossing, circular delivery port 14 constitutes, and two symmetrical circular spout holes 10 are arranged at irrigator core 2 tops.Its operation principle is: the current shunting back in the hollow billet gets into irrigator core 2 by the water inlet in the connector 1; After directly hitting the flexible sheet 7 that is positioned at irrigator core 2 inside; Get into 8 energy dissipatings of helical teeth labyrinth flow-path by filter screen grid 15, flowed out by the runner exit that communicates with annular cavity of resorption 12 9, flexible sheet 7 is because the strike effect generation deformation of pressure flow; Thereby push down circular apopore 14, change area of passage.When water flow pressure hour, area of passage is big, and when water flow pressure was big, area of passage reduced, reach certain pressure after, area of passage is constant basically, thereby reaches the pressure regulation function.Loam cake 3 and 2 driving fits of irrigator core, and leave ventilation water-guiding hole 11, the current of process energy dissipating are just flowed out by spout hole 11 and infiltrate soil.
The dividing plate 4 of band circular hole in the middle of having one between the screw thread up and down of connector 1, Circularhole diameter is 4mm, is equivalent to the inlet opening of irrigator.Aqueduct 5 is arranged at dividing plate 4 tops, the internal diameter 6mm of aqueduct 5, and wall thickness 2mm, long 16mm can not only play the water guide effect, can also play the effect of support elastic diaphragm 7.
The wall thickness of irrigator core 2 is 3.5mm, and pipe range is 58mm, and the external screw thread that joins with connector 1 is arranged at the bottom.
Helical teeth shape labyrinth flow-path 8, the general labyrinth flow-path of size is big, and total length is 200mm, and beam overall is 4.2mm, tooth depth 1.7mm, space width 4.14mm, dark 2mm, the fluidised form index of this runner is 0.5018, hydraulic performance is good.
The rectangle that is shaped as 9 1.0 * 2mm of filter screen grid 15 can effectively be tackled sand grain, improves the irrigator anti-clogging.
The external diameter of annular cavity of resorption 12 is 18mm, internal diameter 15mm, and high 3mm just matches with flexible sheet 7.
Being shaped as of guiding gutter 9 is fan-shaped, dark 0.7mm, and angle is 40 °, after circular apopore 14 was pushed down by flexible sheet 7, current flowed out through fan-shaped guiding gutter 9.
The outlet of profile of tooth labyrinth flow-path 9 is the square of positive 2 * 2mm, communicates with helical teeth shape labyrinth flow-path 8 and annular cavity of resorption 12.
Circular delivery port 14 is positioned at pipe central authorities, and diameter is 4mm.
The diameter of two symmetrical circular spout holes 10 is 2.5mm.
Matching used pp cotton-padded covering tube is used for environmental sealing helical teeth shape labyrinth flow-path 8, avoids it to leak.
Referring to Fig. 4, the buried fountain root irrigation machine that present embodiment is made, its performance of test on the slight irrigation test platform; Experiment shows that the force compensating interval of this buried pressure compensation fountain root irrigation machine is 8-24m, and flow is 8L/h; The fluidised form index is 0.03, and pressure compensation is functional, can well adapt to mountain topography; The assurance uniformity of pouring water, and because the flow of this buried fountain root irrigation machine is bigger, every strain only is equipped with one and gets final product.
Buried pressure compensation fountain root irrigation machine of the present invention; Fountain root irrigation machine before being different from; It not only organically combines big runner in labyrinth and pressure compensation principle; And the irrigator core also no longer links to each other with underground hollow billet through microtubule, but links to each other with hollow billet through being embedded in underground connector, has so just avoided the microtubule on the exposure and the face of land when farming, to be destroyed.Adopt this pressure compensation douche, can pipe-line system all be imbedded undergroundly, have only loam cake to flush, significantly improve the service life of irrigator and pipe-line system, reduce cost, and can reduce evaporation from land surface, improve WUEL with the face of land.
Claims (10)
1. a buried pressure compensation fountain root irrigation machine is characterized in that, by connector (1); Irrigator core (2) and loam cake (3) constitute fabricated structure; This buried pressure compensation fountain root irrigation machine is embedded in underground, directly be embedded in underground hollow billet and link to each other, the order of pressing underground three is connector (1), irrigator core (2) and loam cake (3); Connector (1) and irrigator core (2) are through being threaded, and irrigator core (2) inserts loam cake (3) driving fit;
Said connector (1) all has screw thread up and down, and following screw thread is an external screw thread, and last screw thread is an internal thread, and the external screw thread of internal thread and irrigator core (2) bottom coincide, and connector (1) bottom of thread has a groove to inner process, and irrigator core (2) injects in this groove; The dividing plate (4) of band circular hole in the middle of having one between the screw thread up and down of connector (1), this circular hole is equivalent to the water inlet of irrigator, and aqueduct (5) is arranged at dividing plate (4) top;
Described irrigator core (2) is a pipe with certain wall thickness; Be distributed with helical teeth shape labyrinth flow-path (8) on the tube wall of pipe; Filter screen grid (15) and pressure compensation district (6) are arranged in the pipe; Pressure compensation district (6) is by annular cavity of resorption (12), the runner exit (9) of flexible sheet (7), placement flexible sheet, and guiding gutter (13) and circular delivery port (14) constitute; Two symmetrical circular spout holes (10) are arranged at irrigator core (2) top;
Said lid (3) is inboard to join with irrigator core (2) top, and two ventilation water-guiding holes (11) are arranged on the lid (3), and there is a sleeve in lid (3) outside, and these sleeve two ends are penetrating, and sleeve diameter equals the external diameter of lid (3), and irrigator core (2) inserts in the sleeve.
2. buried pressure-compensated fountain root irrigation machine as claimed in claim 1 is characterized in that said Circularhole diameter is 4mm; The internal diameter 6mm of said aqueduct (5), wall thickness 2mm, long 16mm.
3. buried pressure-compensated fountain root irrigation machine as claimed in claim 1 is characterized in that the wall thickness of said irrigator core (2) is 3.5mm, and pipe range is 58mm.
4. buried pressure-compensated fountain root irrigation machine as claimed in claim 1 is characterized in that, said helical teeth shape labyrinth flow-path (8) total length is 200mm, and beam overall is 4.2mm, tooth depth 1.7mm, and space width 4.14mm, dark 2mm, the fluidised form index is 0.5018.
5. buried pressure-compensated fountain root irrigation machine as claimed in claim 1 is characterized in that said flexible sheet (7) is divided into two-layer, and gross thickness is 1.5mm, last bed thickness 1.0mm, diameter 18mm, lower thickness 0.5mm, diameter 15mm.
6. buried pressure-compensated fountain root irrigation machine as claimed in claim 1 is characterized in that, the external diameter 18mm of said annular cavity of resorption (12), and internal diameter 15mm, high 3mm matches with flexible sheet (7).
7. buried pressure-compensated fountain root irrigation machine as claimed in claim 1 is characterized in that being shaped as of said guiding gutter (9) is fan-shaped; Dark 0.7mm; Angle is 40 °, and after circular delivery port (14) was by flexible sheet (7) compacting, current flowed out through guiding gutter (9).
8. buried pressure-compensated fountain root irrigation machine as claimed in claim 1 is characterized in that, the rectangle that is shaped as 9 1.0 * 2mm of said filter screen grid (15).
9. buried pressure-compensated fountain root irrigation machine as claimed in claim 1 is characterized in that the cross section of said runner exit (9) is the square of positive 2 * 2mm, communicates with helical teeth shape labyrinth flow-path (8) and annular cavity of resorption (12).
10. buried pressure-compensated fountain root irrigation machine as claimed in claim 1 is characterized in that described sleeve diameter is 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110411698 CN102550368B (en) | 2011-12-12 | 2011-12-12 | Underground pressure bubbler root irrigation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110411698 CN102550368B (en) | 2011-12-12 | 2011-12-12 | Underground pressure bubbler root irrigation device |
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| CN102550368A true CN102550368A (en) | 2012-07-11 |
| CN102550368B CN102550368B (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110411698 Expired - Fee Related CN102550368B (en) | 2011-12-12 | 2011-12-12 | Underground pressure bubbler root irrigation device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103651046A (en) * | 2013-09-30 | 2014-03-26 | 西安交通大学 | Anti-blocking flow channel pressure compensation watering device |
| CN106818409A (en) * | 2017-01-09 | 2017-06-13 | 大禹节水集团股份有限公司 | A kind of miniature water dropper |
| CN107318593A (en) * | 2017-08-22 | 2017-11-07 | 中国农业大学 | Combined press force compensating douche between a kind of washable pipe |
| CN107347584A (en) * | 2017-07-10 | 2017-11-17 | 中国农业大学 | A kind of adjustable detachable spiral Transportation about Labyrinth Emitter of flow |
| CN109247217A (en) * | 2018-10-22 | 2019-01-22 | 新疆泓科节水设备制造有限公司 | Slight irrigation Zhi Guanyong pressure adapter |
| CN112889657A (en) * | 2021-03-19 | 2021-06-04 | 浙江同济科技职业学院 | Ring-root pressure-stabilizing irrigator and working method thereof |
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| DE202011000522U1 (en) * | 2011-03-09 | 2011-08-10 | Hubeny GmbH Bewässerungs- und Wassertechnik | irrigation equipment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103651046A (en) * | 2013-09-30 | 2014-03-26 | 西安交通大学 | Anti-blocking flow channel pressure compensation watering device |
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| CN106818409A (en) * | 2017-01-09 | 2017-06-13 | 大禹节水集团股份有限公司 | A kind of miniature water dropper |
| CN107347584A (en) * | 2017-07-10 | 2017-11-17 | 中国农业大学 | A kind of adjustable detachable spiral Transportation about Labyrinth Emitter of flow |
| CN107318593A (en) * | 2017-08-22 | 2017-11-07 | 中国农业大学 | Combined press force compensating douche between a kind of washable pipe |
| CN109247217A (en) * | 2018-10-22 | 2019-01-22 | 新疆泓科节水设备制造有限公司 | Slight irrigation Zhi Guanyong pressure adapter |
| CN112889657A (en) * | 2021-03-19 | 2021-06-04 | 浙江同济科技职业学院 | Ring-root pressure-stabilizing irrigator and working method thereof |
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| CN102550368B (en) | 2013-06-26 |
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