CN103651053B - Small high-blocking-resistdrip drip irrigation emitter - Google Patents
Small high-blocking-resistdrip drip irrigation emitter Download PDFInfo
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- CN103651053B CN103651053B CN201310681949.8A CN201310681949A CN103651053B CN 103651053 B CN103651053 B CN 103651053B CN 201310681949 A CN201310681949 A CN 201310681949A CN 103651053 B CN103651053 B CN 103651053B
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Abstract
The present invention relates to a kind of small high-blocking-resistdrip drip irrigation emitter, comprise irrigator body, irrigator body two ends are arranged symmetrically with two delivery ports, and the body between delivery port transversely offers water inlet; Body upper surface arranges energy dissipating labyrinth flow-path, and its one end is communicated with water inlet and forms flow channel entry point, and the other end forms runner exit in one week around water inlet; The body upper surface of runner exit side arranges and extends transversely and the sluice way be communicated with runner exit, and sluice way is communicated with two delivery ports; Body lower surface below water inlet arranges a grid, and it is made up of the grizzly bar of some equidistant longitudinal arrangements; Energy dissipating labyrinth flow-path is tortuous roundabout double profile of tooth, knee alternately forms between cog and to be met water district by pool and between cog, the between cog district that meets water adopts radius to be the circular arc of energy dissipating labyrinth flow-path energy dissipating labyrinth flow-path width half, and between cog is adopted radius to equal the circular arc of energy dissipating labyrinth flow-path energy dissipating labyrinth flow-path width by pool.This irrigator can realize low discharge high frequency and irrigate, high with drip irrigation tube wall matching degree, possesses again high performance of anti-blockage simultaneously.
Description
Technical field
The present invention relates to agricultural water-saving irrigation technical field, particularly about a kind of small high-blocking-resistdrip drip irrigation emitter.
Background technology
Large quantifier elimination shows both at home and abroad, and high frequency is irrigated has significant impact for the output promoting crop, quality and efficiency of water application etc.From the eighties in last century, apply in the water-saving irrigation technique more developed country such as Israel, the U.S., the companies such as Israel Netafim, Plastro and EN-Tal also produce supporting low discharge irrigator product, but price costly, be mainly used in the chamber crop with clean water source and irrigate field.Current China's agricultural water-saving irrigation field is generally applied large discharge and is carried out drip irrigation, and because irrigator flow is comparatively large, flow is inharmonious with region area of pouring water, the problems such as Systematical control valve is more, makes drip irrigation system operational management chaotic, and uniformity of pouring water is difficult to ensure.Therefore, irrigate with low discharge high frequency the trend that the irrigation of alternative large discharge is a kind of development.
In fact; drip irrigation source quality is comparatively complicated; along with water scarcity problem is increasingly serious; high sand-carrying water, recycled water, brackish water etc. usually can as source of irrigation water; wherein can contain a large amount of solid suspended particle, salt ion, algae, organic pollutant and microorganism etc., this mechanism that irrigator blocking risk can be made sharply to increase and block also becomes more complicated.In addition, high frequency is irrigated and irrigator chocking-up degree can be made especially significantly to increase, and in the inner attached biofilm of drip irrigation system irrigator, the constituent content such as solid particulate matter, extracellular polymeric, lipoid fatty acid all shows and reduces with irrigation frequency the trend reduced gradually.Therefore, a kind of low discharge high resistance block water irrigator product being adapted to high-frequency drip irrigation of exploitation is badly in need of.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of small high-blocking-resistdrip drip irrigation emitter, this irrigator can realize low discharge high frequency and irrigate, high with drip irrigation tube wall matching degree, possesses again high performance of anti-blockage simultaneously.
For achieving the above object, the present invention is by the following technical solutions: a kind of small high-blocking-resistdrip drip irrigation emitter, comprise an irrigator body, it is characterized in that: the two ends of described irrigator body have been arranged symmetrically with two delivery ports, irrigator body between described two delivery ports transversely offers a water inlet, irrigator body upper surface between described two delivery ports arranges an energy dissipating labyrinth flow-path, one end of described energy dissipating labyrinth flow-path is connected with water inlet formation flow channel entry point, the other end forms runner exit around water inlet after one week, also arrange one at the irrigator body upper surface being positioned at described runner exit side to extend transversely and the sluice way be connected with runner exit, the two ends of described sluice way are connected with two delivery ports respectively, also be provided with a grid being positioned at the irrigator body lower surface below described water inlet, described grid is made up of the grizzly bar of some equidistant longitudinal arrangements, described energy dissipating labyrinth flow-path is tortuous roundabout double flow path of gear profile, and alternately form between cog in knee and to be met water district by pool and between cog, the described between cog district that meets water adopts radius to be the circular arc of energy dissipating labyrinth flow-path energy dissipating labyrinth flow-path width half, described between cog is adopted radius to equal the circular arc of energy dissipating labyrinth flow-path energy dissipating labyrinth flow-path width by pool.
Described irrigator body adopts upper and lower two-layer layout, wherein said delivery port, water inlet, energy dissipating labyrinth flow-path and sluice way are arranged on the upper strata of irrigator body, described grid is arranged on the lower floor of irrigator body, and upper and lower two-layer irrigator bulk adhesive together.
The periphery of described irrigator body 1 is provided with an adhesive surface.
Have high, a middle low draw-in groove in front and back in the bottom of described irrigator body, described draw-in groove is with the draw-in groove wall along irrigator body length direction projection for border, and the degree of depth is 0.5mm.
Described irrigator body adopts round rectangle structure, and width is 6.5mm, and length is 25.0mm; Described grizzly bar is cuboid, and length is 6.0mm, and width is 0.2mm, is highly 0.5mm, and adjacent spacing is 0.3mm; Described energy dissipating labyrinth flow-path 5 width is 0.85mm, and the degree of depth is 0.75mm, and length is 48.18mm; The long 14.0mm of described sluice way 6, wide 0.4mm.
Regroup after the organo-arsenic 10-oxybisphenoxyarsine that the LLDPE that the material of described irrigator body is 98.2% by percentage by weight, percentage by weight are 0.8% and the plastics cold-resistant flexible agent melting that percentage by weight is 1.0% and formed.
Described irrigator, after manufacture terminates, is 10 in concentration
9flood 10 to 15 hours in the bacillus subtilis solution of CFU/mL.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, energy dissipating labyrinth flow-path of the present invention adopts full of twists and turns double tooth Shape Design, and alternately form between cog in knee and to be met water district by pool and between cog, between cog is adopted circular arc to optimize border (between cog by pool, between cog meet water the arc size in district and the relation of width of flow path) by pool and the between cog district that meets water, flow passage structure is compact to design, eliminates the straightway that is connected between many drainages road in current runner design to the impact of flow turbulence intensity in runner.This kind of runner design, give full play to the feature of labyrinth runner, the working portion of runner is all designed to the working region with stronger effect of energy dissipation, achieve the persistent disturbances to water movement in energy dissipating labyrinth flow-path, make energy dissipating labyrinth flow-path turbulent flow ability powerful, the turbulence intensity of flowing in General Promotion energy dissipating labyrinth flow-path, while efficient energy dissipating, enhance water movement to the carrying capacity of particle and hydraulic shear, improve irrigator self to the cleansing power of energy dissipating labyrinth flow-path limit wall and performance of anti-blockage, achieve the coordination that low discharge high frequency irrigates irrigator waterpower and anti-clogging structural design.2, the material of irrigator body of the present invention regroups after being mainly LLDPE, organo-arsenic and plastics cold-resistant flexible agent three kinds of material molten formed new material, this material has stronger hydrophobicity, state when making the area at its interface minimum will be changing into when current are in contact with it, be unfavorable for the attachment at wall such as microorganism in water, improve the performance of anti-blockage of irrigator own; Because adding organo-arsenic in material, in the whole course of work of irrigator, effectively can suppress growth of microorganism, promoting biomembranous coming off, effectively prevent the formation blocking material; Because adding the agent of plastics cold-resistant flexible in material, can improve cold resistant property and the pliability of material, can effectively prevent irrigate band in the process of collapsing, irrigator, to its infringement, extends the service life of irrigate band.3, irrigator entirety of the present invention adopts symmetric design that is miniature, round rectangle, and adopts flexible material, irrigator is unlikely when pulling extrude with agriculture tool of production by external force and pokes irrigate band, improve the safety of product; In addition symmetric design can also be convenient to punching and improve drilling precision during this irrigator Product processing thin wall irrigation belt product of utility.4, the present invention is compared with domestic and international existing irrigator, and overall dimensions is less, but width of flow path is relatively wider, substantially increases uniformity of irrigation water appilcation, reduces irrigator blocking risk.5, irrigator of the present invention shaping after in bacillus subtilis solution impregnation, make irrigator internal face can suppress the attachment of microorganism and gather, promote that the decomposition of microorganism is with dead, obviously alleviates the impact that biomembrane blocks irrigator.
Accompanying drawing explanation
Fig. 1 is front plan view of the present invention;
Fig. 2 is the cutaway view in A-A cross section of the present invention;
Fig. 3 is inverse plan view of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1 and Figure 2, the present invention includes an irrigator body 1, the two ends of irrigator body 1 have been arranged symmetrically with two delivery ports 7.Irrigator body 1 between two delivery ports 7 is transversely offered a water inlet 4, one energy dissipating labyrinth flow-path 5 is set at irrigator body 1 upper surface being positioned at water inlet 4 periphery simultaneously, one end of this energy dissipating labyrinth flow-path 5 is connected with water inlet 4 and forms flow channel entry point 10, and the other end forms runner exit 11 around water inlet after 4 one weeks.Also arrange one at irrigator body 1 upper surface being positioned at runner exit 11 side to extend transversely and the sluice way 6 be connected with runner exit 11, the two ends of this sluice way 6 are connected with two delivery ports 7 respectively.Also be provided with a grid 2 being positioned at irrigator body 1 lower surface below water inlet 4, this grid 2 is made up of (as shown in Figure 3) the grizzly bar 3 of some equidistant longitudinal arrangements.
As shown in Figure 1, energy dissipating labyrinth flow-path 5 of the present invention is tortuous roundabout double flow path of gear profile, and alternately form between cog in knee and to be met water district 9 by pool 8 and between cog, and between cog meets water, district 9 adopts radius to be the circular arc of energy dissipating labyrinth flow-path 5 width half, and between cog is adopted radius to equal the circular arc of energy dissipating labyrinth flow-path 5 width by pool 8.
In a preferred embodiment, irrigator body 1 also can adopt upper and lower two-layer layout, wherein delivery port 7, water inlet 4, energy dissipating labyrinth flow-path 5 and sluice way 6 are all arranged on the upper strata of irrigator body 1, and grid 2 is arranged on the lower floor of irrigator body 1, be bonded together between upper and lower two-layer irrigator body 1.
In a preferred embodiment, the periphery of irrigator body 1 is provided with an adhesive surface, to realize the connection of irrigator and drip irrigation pipe/irrigate band inwall.
In a preferred embodiment, have high, the middle low draw-in groove 12 (as shown in Figure 3) in front and back in the bottom of irrigator body 1, and this draw-in groove 12 with the draw-in groove wall along irrigator body 1 length direction projection for border, the degree of depth is 0.5mm.The effect of draw-in groove 12, when producing irrigator, is convenient to screening and the conveying of irrigator.
In a preferred embodiment, irrigator body 1 adopts round rectangle structure, and irrigator body 1 width is 6.5mm, and length is 25.0mm.Grizzly bar 3 is cuboid, and length is 6.0mm, and width is 0.2mm, is highly 0.5mm, and adjacent spacing is 0.3mm.Energy dissipating labyrinth flow-path 5 width is 0.85mm, and the degree of depth is 0.75mm, and length is 48.18mm.The long 14.0mm of sluice way 6, wide 0.4mm.
In a preferred embodiment, the material of irrigator body 1 is the LLDPE (LLDPE of 98.2% by percentage by weight, the copolymer of ethene and alpha-olefin), regroup after plastics cold-resistant flexible agent (the phenylethylene terpolymer modifier) melting that the organo-arsenic 10-oxybisphenoxyarsine that percentage by weight is 0.8% and percentage by weight are 1.0% and formed.
In a preferred embodiment, after irrigator manufacture terminates, can be 10 in concentration by irrigator
910-15h is flooded in the bacillus subtilis solution of CFU/mL, make irrigator internal face can suppress the attachment of microorganism and gather, promote that the decomposition of microorganism is with dead, obviously alleviates the impact that biomembrane blocks irrigator, the final performance of anti-blockage strengthening irrigator.
In use, first manufacture the drip irrigation pipe matched with this irrigator, source of irrigation water enters irrigator from grid 2, and grid 2 pairs of source of irrigation water filter in the present invention, reduces irrigator blocking risk.Source of irrigation water flows into the flow channel entry point 10 of energy dissipating labyrinth flow-path energy dissipating labyrinth flow-path 5 after the filtration of grid 2 from water inlet 4, energy dissipating labyrinth flow-path energy dissipating labyrinth flow-path 5 pairs of current carry out persistent disturbances and then realize energy dissipation, improve uniformity of irrigation water appilcation and the defeated ability of moving of particle.From the water that runner exit flows out, cause respectively in the delivery port that is connected with its two ends through sluice way.Current are finally from delivery port, and on drip irrigation tube wall, corresponding aperture oozes, and irrigates crop.
The present invention is only described with above-described embodiment; the structure of each parts, setting position and connecting all can change to some extent; on the basis of technical solution of the present invention; all improvement of carrying out individual part according to the principle of the invention and equivalents, all should not get rid of outside protection scope of the present invention.
Claims (4)
1. a small high-blocking-resistdrip drip irrigation emitter, this irrigator comprises:
One irrigator body,
Two delivery ports being arranged symmetrically in described irrigator body two ends,
One is transversely opened in the water inlet on the described irrigator body described in two between delivery port,
One is opened in described irrigator body upper surface and is positioned at the energy dissipating labyrinth flow-path of described water inlet periphery,
One sluice way being transversely opened in described irrigator body upper surface, and
One grid being arranged on the described irrigator body lower surface below described water inlet;
Wherein, one end of described energy dissipating labyrinth flow-path is connected with described water inlet formation flow channel entry point, and the other end forms runner exit around described water inlet after one week; Described sluice way is positioned at the side of described runner exit and is connected with delivery port described in two with described runner exit respectively; Described energy dissipating labyrinth flow-path is tortuous roundabout double flow path of gear profile, and alternately form between cog in knee and to be met water district by pool and between cog, the described between cog district that meets water adopts radius to be the circular arc of described energy dissipating labyrinth flow-path width half, and described between cog is adopted radius to equal the circular arc of described energy dissipating labyrinth flow-path width by pool; It is characterized in that, the linking part between the described flow path of gear profile of two rows also adopts flow path of gear profile to arrange; Described grid is made up of the grizzly bar of some equidistant longitudinal arrangements; Described irrigator body adopts round rectangle structure, and width is 6.5mm, and length is 25.0mm; Described grizzly bar is cuboid, and length is 6.0mm, and width is 0.2mm, is highly 0.5mm, and adjacent spacing is 0.3mm; Described energy dissipating labyrinth flow-path width is 0.85mm, and the degree of depth is 0.75mm, and length is 48.18mm; The long 14.0mm of described sluice way, wide 0.4mm; Regroup after the organo-arsenic 10-oxybisphenoxyarsine that the LLDPE that the material of described irrigator body is 98.2% by percentage by weight, percentage by weight are 0.8% and the plastics cold-resistant flexible agent melting that percentage by weight is 1.0% and formed; This irrigator, after manufacture terminates, is 10 in concentration
910-15 hour is flooded in the bacillus subtilis solution of CFU/mL.
2. small high-blocking-resistdrip drip irrigation emitter as claimed in claim 1, it is characterized in that, described irrigator body adopts upper and lower two-layer layout, wherein said delivery port, water inlet, energy dissipating labyrinth flow-path and sluice way are all arranged on the upper strata of described irrigator body, described grid is arranged on the lower floor of described irrigator body, and upper and lower two-layer described irrigator bulk adhesive together.
3. small high-blocking-resistdrip drip irrigation emitter as claimed in claim 1, it is characterized in that, described irrigator body adopts upper and lower two-layer layout, wherein said delivery port, water inlet, energy dissipating labyrinth flow-path and sluice way are all arranged on the upper strata of described irrigator body, described grid is arranged on the lower floor of described irrigator body, and upper and lower two-layer described irrigator bulk adhesive together.
4. the small high-blocking-resistdrip drip irrigation emitter as described in claim 1 or 2 or 3, is characterized in that, the periphery of described irrigator body is provided with an adhesive surface being used for being connected with drip irrigation pipe/irrigate band inwall; Have high, a middle low draw-in groove in front and back in the bottom of described irrigator body, described draw-in groove is with the draw-in groove wall along described irrigator body length direction projection for border, and the degree of depth is 0.5mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310681949.8A CN103651053B (en) | 2013-12-12 | 2013-12-12 | Small high-blocking-resistdrip drip irrigation emitter |
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| CN201310681949.8A CN103651053B (en) | 2013-12-12 | 2013-12-12 | Small high-blocking-resistdrip drip irrigation emitter |
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| CN103651053A CN103651053A (en) | 2014-03-26 |
| CN103651053B true CN103651053B (en) | 2016-01-20 |
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| CN104041382B (en) * | 2014-06-13 | 2015-11-11 | 西北农林科技大学 | Tubular micropore labyrinth drip irrigating belt and processing method |
| CN104488665B (en) * | 2014-12-08 | 2016-08-24 | 西安交通大学 | A kind of Karman vortex street shape runner and drip emitter thereof |
| CN104885878B (en) * | 2015-05-08 | 2017-10-20 | 大禹节水（天津）有限公司 | A kind of douche and its drip irrigation zone/pipe |
| CN105123434B (en) * | 2015-09-06 | 2017-05-10 | 新疆农垦科学院 | Pressure-relief type anti-blocking irrigation emitter |
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| CN106171850A (en) * | 2016-08-23 | 2016-12-07 | 大禹节水（天津）有限公司 | A kind of turbulent flow anti-blocking emitter |
| CN107114211B (en) * | 2017-05-05 | 2022-08-09 | 文华学院 | Irrigation device and method |
| CN107347584B (en) * | 2017-07-10 | 2019-12-03 | 中国农业大学 | A kind of adjustable detachable spiral Transportation about Labyrinth Emitter of flow |
| CN108427822B (en) * | 2018-01-18 | 2021-07-09 | 中国农业大学 | Vortex wall washing optimization method for improving anti-blocking performance of irrigator |
| CN108268734B (en) * | 2018-01-29 | 2021-06-04 | 中国农业大学 | Design and forming method of flow channel of casting type thin-wall drip irrigation belt |
| CN109673482B (en) * | 2019-02-26 | 2024-02-23 | 北京新水源景科技股份有限公司 | Drip irrigation emitter and drip irrigation belt |
| CN112205282B (en) * | 2020-11-12 | 2021-10-01 | 中国水利水电科学研究院 | Drip irrigation emitter and drip irrigation system |
| CN113455344B (en) * | 2021-07-27 | 2022-07-01 | 山东大学 | Star-shaped labyrinth flow channel drip irrigation emitter |
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| 再生水滴灌系统灌水器堵塞的微生物学机理及控制方法研究;李云开等;《农业工程学报》;20130831;第29卷(第15期);第98-107页 * |
| 滴头分形流道设计及其流动特性的试验研究与数值模拟;李云开;《中国优秀博硕士学位论文全文数据库》;20050915(第5期);D044-6 * |
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| CN103651053A (en) | 2014-03-26 |
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