CN102489419A - Double-film drip irrigation pipe/belt with water permeable side seams - Google Patents
Double-film drip irrigation pipe/belt with water permeable side seams Download PDFInfo
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- CN102489419A CN102489419A CN2011103997649A CN201110399764A CN102489419A CN 102489419 A CN102489419 A CN 102489419A CN 2011103997649 A CN2011103997649 A CN 2011103997649A CN 201110399764 A CN201110399764 A CN 201110399764A CN 102489419 A CN102489419 A CN 102489419A
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Abstract
The invention provides a double-film drip irrigation pipe/belt with water permeable side seams to solve the problem that the water outlets are blocked when the drip irrigation pipe/belts are buried. The drip irrigation pipe/belt has a simple structure and low manufacturing cost. The buried drip irrigation pipe/belt is characterized in that a buried drip irrigation pipe/belt main body is formed by oppositely bonding a water-blocking film and a non-woven fiber layer or opening foam layer provided with a water-blocking film on the single surface; the drip irrigation pipe/belt main body is provided with a water flow channel and two water permeable side seams; discontinuous bonding points are arranged on the water permeable side seams; and gaps between the bonding points on the side seams form a water permeable channel. The drip irrigation pipe/belt has the following beneficial effects that: the drip amount per unit length of the drip irrigation pipe/belt can be controlled via the space between the bonding points; the space between the bonding points, the shapes of the bonding points and the diameter of the water flow channel can be changed at any time according to the use requirement; and the production equipment is simpler than that of the existing drip irrigation pipe/belts, the investment is small and the production cost can be substantially reduced.
Description
Technical field
The present invention relates to a kind of pair of film drip irrigation pipe or drip irrigation zone, relate in particular to limit seam infiltration drip irrigation pipe/band that a kind of suitable field crop is used, belong to the water-saving irrigation device technical field.
Background technology
The irrigation that is applied in agriculture micro irrigation technology field at present is with various drip irrigation pipe, drip irrigation zone; All be one group of labyrinth to be set at the outlet front end that respectively drips; Being used for damping and pin subtracts drip irrigation pipe/band internal pressure; The discharge pressure and the water yield of the balanced outlet of respectively dripping, thus the water yield basically identical that drip irrigation pipe/band respectively drips and exports guaranteed in certain laying length.The labyrinth roughly is divided into two types, and the one, independent moulding is embedded in drip irrigation pipe/band then, or is plugged on outside drip irrigation pipe/band, and the 2nd, cross aquaporin moulding simultaneously with the drip irrigation zone.The outlet shape of dripping of this type drip irrigation pipe/band has only several kinds of circle hole shape, square hole shape, joint-cutting shape, the shapes of a hoof etc., and the outlet latus rectum that drips generally all is not more than 2 millimeters.
Because drip irrigation pipe/band is when laying on the ground, irrigation water evaporation loss is big, influence farming, need to reclaim every year, drip irrigation pipe/band receives that Exposure to Sunlight is easyly worn out, the drip irrigation zone problem such as is blown away by strong wind easily.So modern agriculture is widelyd popularize buried drip irrigation technique, exactly drip irrigation pipe, drip irrigation zone are embedded in underground use.Be embedded in when underground but will have drip irrigation pipe, drip irrigation zone, the hydrotaxis of crop root can make the fibrous root letter advance the outlet of dripping of drip irrigation pipe/band; In addition, pouring water intermittently, the outer muddy water of drip irrigation pipe/band can export through dripping and recharge under suction function, blocks with delivery port or near the labyrinth of exit portion.Because labyrinth length is generally 80～400 millimeters, labyrinth pin diminishing pressure effect has made terminal hydraulic pressure go to zero, and when pouring water once more, the terminal hydraulic pressure in labyrinth can't be washed open blocking part, causes drip irrigation system to scrap.The defective that existing drip irrigation pipe/band exists becomes and hinders buried drip irrigation technique development key bottleneck.
Summary of the invention
The object of the present invention is to provide seam infiltration drip irrigation pipe/band in limit a kind of simple in structure, cheap for manufacturing cost, to solve the problem of buried obstruction delivery port.
Technical scheme of the present invention is: this pair of film limit seam infiltration drip irrigation pipe/band main body is that a slice film that blocks water is processed with nonwoven fibre layers or relative bonding of opening foaming layer that another sheet single face is provided with the film that blocks water; Drip irrigation pipe/band main body was provided with aquaporin and two infiltration limit seams; Described infiltration limit is sewed on to be provided with and is interrupted bonding point, and the gap that bonding point is sewed on the limit constitutes penetrating passage.
Described pair of film limit seam infiltration drip irrigation pipe/band, said infiltration limit seam was arranged at the both sides of aquaporin, and symmetry constitutes.
Described pair of film limit seam infiltration drip irrigation pipe/band, said infiltration limit seam was arranged at the both sides of aquaporin, and infiltration limit seam is provided with the infiltration minor face of the film that blocks water and the long limit of infiltration of nonwoven fibre layers or opening foaming layer.
Described pair of film limit seam infiltration drip irrigation pipe/band, said infiltration limit seam was arranged at the both sides of aquaporin, and infiltration limit seam is provided with the infiltration minor face and the long limit of the infiltration of the film that blocks water of nonwoven fibre layers or opening foaming layer.
Described pair of film limit seam infiltration drip irrigation pipe/band, said infiltration limit seam was arranged on the sidewall of aquaporin, stitches the outside or inboard on the infiltration limit nonwoven fibre layers or opening foaming paste layer are set, and overlap joint bonds each other.
Described pair of film limit seam infiltration drip irrigation pipe/band, said infiltration limit seam bonding point is circle, ellipse, rectangle or polygon.
Described pair of film limit seam infiltration drip irrigation pipe/band, said infiltration limit seam bonding point is a row or many rows, arranges between the bonding point to be crisscross arranged more.
The present invention except solve irrigation water evaporation loss big, influence that farming, every year need to reclaim, drip irrigation pipe/band receives that Exposure to Sunlight is easyly worn out, the drip irrigation zone is blown away etc. the problem by strong wind easily; The beneficial effect that is produced is:
1, because infiltration space in micropore labyrinth is minimum, the crop fibrous root can't prick into that the micropore labyrinth results in blockage.
2, pouring water intermittently; The outer muddy water of drip irrigation pipe/band recharges under suction function; When the micropore labyrinth was blocked, the micropore labyrinth flow process that constitutes because of unordered fiber gap of arranging or opening foaming thin plate only had several millimeters, when pouring water again; The capillary infiltration double action that drip irrigation pipe/band inside and outside differential pressure that irrigation water pressure forms and water surface tension form also can be washed open blocking part.
3, significantly improve anti-blocking performance, can simplify the drip irrigation system filter plant, reduce the filter plant investment, reduce the drip irrigation system operation energy consumption.
4, drip irrigation pipe of the present invention/tape unit length amount of dripping can be through the spacing control of bounding point; Bounding point spacing, shape, mistake aquaporin diameter also can be changed by user demand at any time; Can be used for the face of land, buried, in the drip irrigation technique field wide promotion prospect is arranged.Production equipment is also simple than existing drip irrigation pipe/band production equipment, investment is little, can significantly reduce production costs.
Description of drawings
Fig. 1 is the structure chart of two film limit seam infiltration drip irrigation pipe/band technical schemes 1
Fig. 2 is the structure chart of two film limit seam infiltration drip irrigation pipe/band technical schemes 2
Fig. 3 is the structure chart of two film limit seam infiltration drip irrigation pipe/band technical schemes 3
The structure chart of the two film limit of Fig. 4 seam infiltration drip irrigation pipe/band technical scheme 4
The structure chart of the two film limit of Fig. 5 seam infiltration drip irrigation pipe/band technical scheme 5
Among the figure: 1, cross aquaporin 2, nonwoven fibre layers or opening foaming layer
3, infiltration limit seam 3-1, infiltration minor face 3-2, the long limit of infiltration
4, limit seam bounding point 5, thin layer
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation.
Key problem in technology of the present invention is to have created general thin to combine the material of main part as drip irrigation pipe or drip irrigation zone with nonwoven or the opening foaming layer 2 that the surface is provided with the thin layer 5 that blocks water.By means of the capillarity of non-woven fibre or open-cell foam layer, make irrigation water from drip irrigation pipe/with oozing out the aquaporin to the limit seam.Be provided with on the described infiltration limit seam 3 and be interrupted bonding point 4, the gap that bonding point is sewed on the limit constitutes penetrating passage.Drip irrigation or the infiltrating irrigation unit length amount of dripping can be through bounding point spacing control, spacing is big, the unit interval, the amount of dripping is big during with equal pressure; Spacing is little, and the unit interval, the amount of dripping is little during with equal pressure.Bounding point spacing, shape, mistake aquaporin diameter also can be changed by user demand at any time.
Above-mentioned non-woven fabrics fiber material comprises the product of polypropylene fibre (PP), terylene (PET), polyamide fibre (PA), viscose rayon, acrylic fibers, polyethylene (HDPE), polyvinyl chloride fibre (PVC) or the like commercially available product, especially surface spraying, coating or thermoplastic composite plastic film.
Above-mentioned open-cell foam is a kind of product on the plastic foam industry, sees on the microcosmic that its pore all communicates, like wallpaper material.
The present invention provides following several kinds of enforceable technical schemes for this reason:
1, the bilateral seam infiltration of two films drip irrigation pipe/band: be nonwoven or the opening foaming thin plate that a slice single face is drenched film or overlay film; There is face not have face outwardly inwardly, bonds together relatively, formed aquaporin 1 and two infiltration limit seams 3 with other a slice equivalent material plastic sheeting is as shown in Figure 1; Pressure water stream in the passage; Can walk around adhesive spots 4, through between non-woven fabrics fiber or the space of opening foaming plate above the seam 3 of limit, just micro channel infiltrates into outside drip irrigation pipe/band.
2, the bilateral seam infiltration of two films drip irrigation pipe/band: run off downwards in order to reduce irrigation water, not wide infiltration limit seam is set on the basis of technical scheme 1, following infiltration limit seam 3-2 is wideer than top infiltration limit seam 3-1, so that move on the flow of water isobaris surface.Like Fig. 2 or shown in Figure 3.
3, two film limit seam infiltration drip irrigation pipe/bands: said infiltration limit seam 3 was arranged on the sidewall of aquaporin, stitches the outside or inboard on the infiltration limit nonwoven fibre layers or opening foaming paste layer 2 are set, and overlap joint bonds each other.Like Fig. 4 or shown in Figure 5.
Above-mentioned drip irrigation pipe/band infiltration limit seam bonding point is circle, ellipse, rectangle or polygon, and spacing can require to regulate according to water yield.Infiltration limit seam bonding point is a row or many rows, arranges between the bonding point to be crisscross arranged more.
Foregoing description is only as limit of the present invention seam infiltration drip irrigation pipe/be with several kinds of enforceable technical schemes to propose, as the single restrictive condition to its technical scheme itself.
Claims (7)
1. two films limit seam infiltration drip irrigation pipe/band; Its characteristic comprises: drip irrigation pipe/band main body be a slice block water nonwoven fibre layers or opening foaming layer (2) that film (5) and another sheet single face be provided with the film that blocks water (5) relatively bonding process; Drip irrigation pipe/band main body was provided with aquaporin (1) and two infiltration limit seams (3); Described infiltration limit is sewed on to be provided with and is interrupted bonding point (4), and the gap that bonding point is sewed on the limit constitutes penetrating passage.
2. according to claim 1 pair of film limit seam infiltration drip irrigation pipe/band, it is characterized in that: said infiltration limit seam (3) was arranged at the both sides of aquaporin (1), and symmetry constitutes.
3. according to claim 1 pair of film limit seam infiltration drip irrigation pipe/band; It is characterized in that: said infiltration limit seam (3) was arranged at the both sides of aquaporin, and infiltration limit seam is provided with the infiltration minor face (3-1) and the long limit (3-2) of the infiltration of nonwoven fibre layers or opening foaming layer (2) of the film (5) that blocks water.
4. according to claim 1 pair of film limit seam infiltration drip irrigation pipe/band; It is characterized in that: said infiltration limit seam (3) was arranged at the both sides of aquaporin, and infiltration limit seam is provided with the infiltration minor face (3-1) and the long limit (3-2) of the infiltration of the film (5) that blocks water of nonwoven fibre layers or opening foaming layer (2).
5. according to claim 1 pair of film limit seam infiltration drip irrigation pipe/band, it is characterized in that: said infiltration limit seam (3) was arranged on the sidewall of aquaporin, stitches the outside or inboard on the infiltration limit nonwoven fibre layers or opening foaming paste layer (2) are set, and overlap joint bonds each other.
6. infiltration drip irrigation pipe/band is stitched on according to claim 1 pair of film limit, it is characterized in that: said infiltration limit seam (3) bonding point (4) is circular, ellipse, rectangle or polygon.
7. according to claim 1 pair of film limit seam infiltration drip irrigation pipe/band, it is characterized in that: said infiltration limit seam (3) bonding point (4) is a row or many rows, arranges between the bonding point to be crisscross arranged more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103997649A CN102489419A (en) | 2011-12-06 | 2011-12-06 | Double-film drip irrigation pipe/belt with water permeable side seams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103997649A CN102489419A (en) | 2011-12-06 | 2011-12-06 | Double-film drip irrigation pipe/belt with water permeable side seams |
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| CN102489419A true CN102489419A (en) | 2012-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103997649A Pending CN102489419A (en) | 2011-12-06 | 2011-12-06 | Double-film drip irrigation pipe/belt with water permeable side seams |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103028502A (en) * | 2013-01-11 | 2013-04-10 | 中国农业大学 | Method and device for producing film-coated drip irrigation pipe/strip |
| CN103190237A (en) * | 2013-04-19 | 2013-07-10 | 李晓东 | Buried type plant irrigation device |
| CN103190238A (en) * | 2013-04-19 | 2013-07-10 | 李晓东 | Buried type plant irrigation method |
| CN106258839A (en) * | 2016-08-04 | 2017-01-04 | 大禹节水（天津）有限公司 | Double-vane drip irrigation zone for underground drip irrigation |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3896999A (en) * | 1973-09-28 | 1975-07-29 | Jaime Sahagun Barragan | Anti-clogging drip irrigation valve |
| AU4483379A (en) * | 1978-03-09 | 1979-09-13 | Hygro (International) Limited | Hydroponic cultivation |
| CN2822181Y (en) * | 2005-09-08 | 2006-10-04 | 恩雨实业科技有限公司 | Water infiltration pipe for agriculture |
| CN101069477A (en) * | 2007-06-21 | 2007-11-14 | 中国科学院遗传与发育生物学研究所 | Drip irrigation band for printing labyrinth flow-path and processing method |
| CN201086039Y (en) * | 2007-08-16 | 2008-07-16 | 李建国 | Multi-layer labyrinth type drip irrigation belt |
| CN201350426Y (en) * | 2009-01-20 | 2009-11-25 | 新疆泓科节水设备制造有限公司 | Novel micro-irrigation belt |
| CN201821718U (en) * | 2010-03-01 | 2011-05-11 | 陈少魁 | Strip-shaped capillary irrigation system |
-
2011
- 2011-12-06 CN CN2011103997649A patent/CN102489419A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3896999A (en) * | 1973-09-28 | 1975-07-29 | Jaime Sahagun Barragan | Anti-clogging drip irrigation valve |
| AU4483379A (en) * | 1978-03-09 | 1979-09-13 | Hygro (International) Limited | Hydroponic cultivation |
| CN2822181Y (en) * | 2005-09-08 | 2006-10-04 | 恩雨实业科技有限公司 | Water infiltration pipe for agriculture |
| CN101069477A (en) * | 2007-06-21 | 2007-11-14 | 中国科学院遗传与发育生物学研究所 | Drip irrigation band for printing labyrinth flow-path and processing method |
| CN201086039Y (en) * | 2007-08-16 | 2008-07-16 | 李建国 | Multi-layer labyrinth type drip irrigation belt |
| CN201350426Y (en) * | 2009-01-20 | 2009-11-25 | 新疆泓科节水设备制造有限公司 | Novel micro-irrigation belt |
| CN201821718U (en) * | 2010-03-01 | 2011-05-11 | 陈少魁 | Strip-shaped capillary irrigation system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103028502A (en) * | 2013-01-11 | 2013-04-10 | 中国农业大学 | Method and device for producing film-coated drip irrigation pipe/strip |
| CN103028502B (en) * | 2013-01-11 | 2015-05-20 | 中国农业大学 | Method and device for producing film-coated drip irrigation pipe/strip |
| CN103190237A (en) * | 2013-04-19 | 2013-07-10 | 李晓东 | Buried type plant irrigation device |
| CN103190238A (en) * | 2013-04-19 | 2013-07-10 | 李晓东 | Buried type plant irrigation method |
| CN106258839A (en) * | 2016-08-04 | 2017-01-04 | 大禹节水（天津）有限公司 | Double-vane drip irrigation zone for underground drip irrigation |
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Application publication date: 20120613 |