CN109302970A - A kind of compound infiltrating irrigation pipe and anti-blocking water outlet device and Anti-blocking infiltrating irrigation device - Google Patents
A kind of compound infiltrating irrigation pipe and anti-blocking water outlet device and Anti-blocking infiltrating irrigation device Download PDFInfo
- Publication number
- CN109302970A CN109302970A CN201811503457.9A CN201811503457A CN109302970A CN 109302970 A CN109302970 A CN 109302970A CN 201811503457 A CN201811503457 A CN 201811503457A CN 109302970 A CN109302970 A CN 109302970A
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- Prior art keywords
- water outlet
- pipe
- infiltrating irrigation
- blocking
- outlet device
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 105
- 230000002262 irrigation Effects 0.000 title claims abstract description 71
- 238000003973 irrigation Methods 0.000 title claims abstract description 71
- 150000001875 compounds Chemical class 0.000 title claims abstract description 40
- 238000005325 percolation Methods 0.000 claims abstract description 25
- 238000001125 extrusion Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000003447 ipsilateral effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003276 anti-hypertensive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/06—Watering arrangements making use of perforated pipe-lines located in the soil
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a kind of compound infiltrating irrigation pipe and anti-blocking water outlet devices and Anti-blocking infiltrating irrigation device, including compound infiltrating irrigation pipe and anti-blocking water outlet device；The compound infiltrating irrigation pipe is made of capillary percolation pipe and seal pipe, and seal pipe is located on the outer wall of capillary percolation pipe, and seal pipe is equipped with through-hole；The anti-blocking water outlet device is arranged on the outer wall of seal pipe, catch basin compatible with through-hole is equipped in the middle part of the inner wall of anti-blocking water outlet device, the runner being connected with catch basin is equipped at the inside wall edge of anti-blocking water outlet device, the inside wall edge of anti-blocking water outlet device is equipped with the water outlet being connected with runner.Anti- stifled ability of the invention is strong, long service life；The spacing of through-hole is adjustable, improves the flexibility in use process, can open up through-hole corresponding with crop location in any part of infiltrating irrigation pipe, achievees the effect that pinpoint infiltrating irrigation, improves water-saving performance.
Description
Technical field
The present invention relates to a kind of improvement of the infiltrating irrigation pipe of irrigation, specifically a kind of compound infiltrating irrigation pipe and anti-blocking water outlet
Device and Anti-blocking infiltrating irrigation device.
Background technique
Infiltrating irrigation is a kind of underground water-saving irrigation method, different from other irrigation methods, it be transferred to from earth's surface underground into
Row is irrigated, also referred to as underground drip irrigation.It is by being irrigated in embedded underground soakaway trench, and soakaway trench is equipped with water dropper, drop
Head spacing carries out debugging setting according to specification before manufacture, and production process and product use process medium spacing can not be adjusted again；When
When reaching water dropper discharge pressure, water flows out infiltration inner pipe water pressure from water dropper in soakaway trench, in this way, can moisture and
Fertilizer is directly sent near the underground root zone of crop.Disadvantage is that: (1), since underground there are capillary root and tiny
Soil, when stopping filling, the moisture in soil, which can generate, to be bled back, and the impurity in water can precipitate blocking dropping head, and these water dropper quilts
After blocking, dredging is hardly resulted in, so as to cause the discarded of entire soakaway trench；(2), when crop spacing and water dropper spacing mismatch,
Water dropper position can not be adjusted, moisture content is caused to waste or cannot effectively be poured to crop；(3) water dropper role is that decompression is seeped
Water produces interior edge water dropper infiltrating irrigation pipe the high requirements on the equipment, production technology complexity, also improves production cost.
Summary of the invention
The first purpose of this invention is to provide a kind of structure simple, resists stifled ability strong, can be according to the position of crop
The through-hole of the live water outlet for determining adaptation accomplishes that fixed point is irrigated, and installation is simple and convenient, time saving and energy saving, adapts to various scenes and fills
Environment is irrigate, the Anti-blocking infiltrating irrigation device of water-saving performance is improved.
In order to reach the goals above, the technical scheme adopted by the invention is that: a kind of Anti-blocking infiltrating irrigation device, feature exist
In: including compound infiltrating irrigation pipe and anti-blocking water outlet device；The compound infiltrating irrigation pipe is made of capillary percolation pipe and seal pipe, seal pipe
It is located on the outer wall of capillary percolation pipe, seal pipe is equipped with through-hole；The anti-blocking water outlet device is arranged on the outer wall of seal pipe,
It is equipped with catch basin compatible with through-hole in the middle part of the inner wall of anti-blocking water outlet device, is equipped with and catchments at the inside wall edge of anti-blocking water outlet device
The runner that slot is connected, the inside wall edge of anti-blocking water outlet device are equipped with the water outlet being connected with runner.
The top of the compound infiltrating irrigation pipe laid flat is arranged in the through-hole.
The anti-blocking water outlet device is adhered to the top of the compound infiltrating irrigation pipe laid flat by adhesive.
As an improvement the anti-blocking water outlet device is fixed on compound infiltrating irrigation pipe by fixed bracket.
The anti-blocking water outlet device, including semi-annular shape ontology are equipped with catch basin in the middle part of the inner wall of semi-annular shape ontology,
Runner is equipped at the inside wall edge of semi-annular shape ontology, the inside wall edge of semi-annular shape ontology is equipped with water outlet.
The semi-annular shape ontology is connected and fixed by anchorage bar and fixed bracket.
The both ends of the semi-annular shape ontology are fixed with convex edge, and upper convex edge is equipped with fixation hole, and fixed bracket is in
Semi-annular shape, support bracket fastened both ends are fixed with lower convex edge compatible with upper convex edge, and anchorage bar is fixed on convex edge under
In the fixation hole of convex edge.
There are two the runner is set, be located at two edges of semi-annular shape inner body wall, and all with catch basin
It is connected.
The both ends of the runner are respectively corresponded equipped with 1-3 water outlets；The outer end of the runner and it is ipsilateral most
Expansion plan range between close water outlet is 2-8mm；Expansion plane between the catch basin and nearest water outlet
Distance is 4-20mm；The runner is rectangle or wavy.
The capillary percolation pipe and seal pipe is by extrusion molding of extruder.
Second object of the present invention is to provide a kind of structure simple, resists stifled ability strong, installs simply and easily anti-blocking
Water outlet device.
A kind of anti-blocking water outlet device, including semi-annular shape ontology, it is characterised in that: in the middle part of the inner wall of semi-annular shape ontology
Equipped with catch basin, catch basin is adapted with the through-hole of compound infiltrating irrigation pipe, is equipped with and is catchmented at the inside wall edge of semi-annular shape ontology
The runner that slot is connected, the inside wall edge of semi-annular shape ontology are equipped with the water outlet being connected with runner.
The semi-annular shape ontology is connected and fixed by anchorage bar and fixed bracket.
The both ends of the semi-annular shape ontology are fixed with convex edge respectively, and upper convex edge is equipped with fixation hole, fixed branch
Frame is in semi-annular shape, and support bracket fastened both ends respectively are fixed with lower convex edge compatible with upper convex edge, and anchorage bar is arranged upper
In the fixation hole of convex edge and lower convex edge.
There are two the runner is set, be located at two edges of semi-annular shape inner body wall, and all with catch basin
It is connected.
The both ends of the runner are respectively corresponded equipped with 1-3 water outlets；The outer end of the runner and it is ipsilateral most
Expansion plan range between close water outlet is 2-8mm；Expansion plane between the catch basin and nearest water outlet
Distance is 4-20mm；The runner is rectangle or wavy.
Third object of the present invention is that the water outlet being adapted to can be determined according to the location site of crop by providing one kind
Through-hole can pass through extrusion molding of extruder, simple production process, compound infiltrating irrigation pipe at low cost.
A kind of compound infiltrating irrigation pipe, it is characterised in that: it is made of capillary percolation pipe and seal pipe, and seal pipe is located at capillary
On the outer wall of osmos tube.
The capillary percolation pipe and seal pipe is by extrusion molding of extruder.
The seal pipe is equipped with through-hole.
The beneficial effects of the present invention are: (1), when stop filling, it can prevent from bleeding back the impurity blocking through-hole in water, resist stifled
Ability is strong, long service life；(2), antihypertensive effect is reached by the capillary pipe structure of multichannel, does not have to installation water dropper, simplifies
Production technology reduces production cost；(3), the flexibility in use process is improved, the spacing of through-hole is adjustable, can be
Any part of infiltrating irrigation pipe opens up through-hole corresponding with crop location, achievees the effect that pinpoint infiltrating irrigation, improves water-saving performance.
Detailed description of the invention
Fig. 1 is the structure front-view schematic diagram of Anti-blocking infiltrating irrigation device of the invention.
Fig. 2 is the structure schematic top plan view of Anti-blocking infiltrating irrigation device of the invention.
Fig. 3 is the package assembly front-view schematic diagram of anti-blocking water outlet device of the invention.
Fig. 4 is that the structure of the anti-blocking water outlet device in the embodiment of the present invention 1 looks up expanded schematic diagram.
Fig. 5 is the structural upright schematic diagram of the anti-blocking water outlet device in the embodiment of the present invention 1.
Fig. 6 is the structure top partial cross-section view of compound infiltrating irrigation pipe of the invention.
Fig. 7 is that the structure of the anti-blocking water outlet device in the embodiment of the present invention 2 looks up expanded schematic diagram.
In figure: 1, capillary percolation pipe；2, seal pipe；3, anti-blocking water outlet device；4, fixed bracket；5, anchorage bar；6, upper convex edge；
7, lower convex edge；8, water outlet；9, through-hole；10, fixation hole；11, catch basin；12, runner.
Specific embodiment
Embodiment 1:
Referring to Fig.1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 production present invention.A kind of Anti-blocking infiltrating irrigation device, it is characterised in that: including
Compound infiltrating irrigation pipe and anti-blocking water outlet device 3；The compound infiltrating irrigation pipe is made of capillary percolation pipe 1 and seal pipe 2, and seal pipe 2 is set
On the outer wall of capillary percolation pipe 1, seal pipe 2 is equipped with through-hole 9, tube wall of the water in capillary percolation pipe 1 from capillary percolation pipe 1
Interior slow exudation, then flowed out from through-hole 9；The anti-blocking water outlet device 3 is arranged on the outer wall of seal pipe 2, anti-blocking water outlet device 3
Catch basin 11 compatible with through-hole 9 is equipped in the middle part of inner wall, the water flowed out from through-hole 9 enters in catch basin 11, anti-blocking water outlet device 3
Inside wall edge at be equipped with the runner 12 that is connected with catch basin 11, the inside wall edge of anti-blocking water outlet device 3 is equipped with and runner 12
The water outlet 8 being connected in the water flow air stream enter runner 12 in catch basin 11, then flows out from water outlet 8, carries out irrigation work.
The top of the compound infiltrating irrigation pipe laid flat is arranged in the through-hole 9.
The anti-blocking water outlet device 3 can be adhered to the top of the compound infiltrating irrigation pipe laid flat by adhesive.
The anti-blocking water outlet device 3 can also be fixed on compound infiltrating irrigation pipe by fixed bracket 4, as long as guarantee is anti-blocking out
The inside wall edge energy palette of hydrophone 3 just can guarantee through-hole 9 on the outer wall of the seal pipe 2 of compound infiltrating irrigation pipe in this way
The water of interior outflow can only be flowed along the direction of catch basin 11, runner 12 and water outlet 8.
The center of the corresponding catch basin 11 of the through-hole 9, the cross-sectional area of through-hole 9 are less than the transversal of all runners 12
The sum of area.
A kind of anti-blocking water outlet device 3, including semi-annular shape ontology, it is characterised in that: in the inner wall of semi-annular shape ontology
Portion is equipped with catch basin 11, and catch basin 11 is adapted with the through-hole 9 of compound infiltrating irrigation pipe, is equipped at the inside wall edge of semi-annular shape ontology
The runner 12 being connected with catch basin 11, the inside wall edge of semi-annular shape ontology are equipped with the water outlet 8 being connected with runner 12.
The semi-annular shape ontology is connected and fixed by anchorage bar 5 and fixed bracket 4.
The both ends of the semi-annular shape ontology are fixed with convex edge 6 respectively, and upper convex edge 6 is equipped with fixation hole 10, Gu
Fixed rack 4 is in semi-annular shape, and the both ends of fixed bracket 4 are fixed with lower convex edge 7 compatible with upper convex edge 6, anchorage bar 5 respectively
It is arranged in the fixation hole 10 of upper convex edge 6 and lower convex edge 7, to anti-blocking water outlet device 3 and fixed bracket 4 are wrapped on compound
On the outer wall of infiltrating irrigation pipe.
There are two the runner 12 is set, be located at two edges of semi-annular shape inner body wall, and all with catchment
Slot 11 is connected.
The both ends of the runner 12 are respectively corresponded equipped with 1-3 water outlets 8.
Expansion plan range between the outer end of the runner 12 and ipsilateral nearest water outlet 8 is 2-8mm,
Specific numerical value can suitably be adjusted according to the outer diameter size of compound infiltrating irrigation pipe, and the compound infiltrating irrigation pipe such as outer diameter 12mm is settable
Compound infiltrating irrigation pipe for 2mm, outer diameter 32mm may be configured as 8mm；The catch basin 11 and between nearest water outlet 8
Expansion plan range is 4-20mm, and specific numerical value can suitably be adjusted according to the outer diameter size of compound infiltrating irrigation pipe, such as outer diameter
The compound infiltrating irrigation pipe of 12mm may be configured as 4mm, and the compound infiltrating irrigation pipe of outer diameter 32mm may be configured as 20mm.In this way, can make to flow back
The contamination precipitation in mud mixture generated in the process prevents mud mixture from flowing up in this section of closed runner
The through-hole 9 for blocking compound infiltrating irrigation pipe, will not block water outlet 8.
The runner 12 is rectangle.
A kind of compound infiltrating irrigation pipe, it is characterised in that: it is made of capillary percolation pipe 1 and seal pipe 2, and seal pipe 2 is located at
On the outer wall of capillary percolation pipe 1, seal pipe 2 is equipped with through-hole 9.
The through-hole 9 is arranged at intervals on the top of the seal pipe 2 laid flat.
The capillary percolation pipe 1 and seal pipe 2 is by extrusion molding of extruder.
There is penetrating pore in the tube wall of the capillary percolation pipe 1, play water delivery, infiltration, decompression, capillary water absorption
And bear the effect of ground pressure above；The seal pipe 2 is plastic tube, plays control water, avoids soil moisture reverse osmosis, protects
Protect the effect of capillary percolation pipe 1.
Embodiment 2:
The runner 12 of anti-blocking water outlet device 3 is made referring to Fig. 7.The runner 12 is wavy, is flowed with increasing water in runner 12
Dynamic resistance.
When carrying out field irrigation using the present invention, a kind of compound infiltrating irrigation pipe of the present invention be can be used alone, only
It to be individually laid in more than ground, underground cannot be embedded in.If be buried underground in soil, need using the present invention
A kind of Anti-blocking infiltrating irrigation device, that is, compound infiltrating irrigation pipe and anti-blocking water outlet device 3 are used cooperatively, and guarantee through-hole 9 upward,
Anti-blocking water outlet device 3 is fixed on the top of compound infiltrating irrigation pipe.Water in capillary percolation pipe 1 is slow out of capillary percolation pipe 1 tube wall
Exudation, then flowed upwards out from through-hole 9, into catch basin 11, reallocation is flowed into runner 12, finally flowed out from water outlet 8,
Carry out irrigation work.When stopping supplying water in capillary percolation pipe 1, the moisture in soil can be bled back, and entered from water outlet 8 and flowed
In road 12, but the process bled back can very slowly, and the water level in runner 12 slowly rises, in this way, the mud mixture in runner 12
In impurity will precipitate, sink and accumulate the end of runner 12, although more clean water can rise and flood logical
Hole 9, but not through-hole 9 is blocked, it ensure that the normal use irrigated that supplies water next time.
A kind of anti-blocking water outlet device 3 of the present invention can also be used individually in other infiltrating irrigation pipes or drip irrigation pipe, for
Patch type drip irrigation pipe is fixed i.e. after the water outlet of patch type drip irrigation pipe being directed to the catch basin 11 of anti-blocking water outlet device 3
Can, it can also play anti-blocking effect of cutting off the water.
Claims (10)
1. a kind of Anti-blocking infiltrating irrigation device, it is characterised in that: including compound infiltrating irrigation pipe and anti-blocking water outlet device (3)；The composite cementation
It fills pipe to be made of capillary percolation pipe (1) and seal pipe (2), seal pipe (2) is located on the outer wall of capillary percolation pipe (1), seal pipe
(2) through-hole (9) are equipped with；The anti-blocking water outlet device (3) is arranged on the outer wall of seal pipe (2), anti-blocking water outlet device (3) it is interior
It is equipped with through-hole (9) compatible catch basin (11) in the middle part of wall, is equipped at the inside wall edge of anti-blocking water outlet device (3) and catch basin
(11) runner (12) being connected, the inside wall edge of anti-blocking water outlet device (3) are equipped with the water outlet being connected with runner (12)
(8).
2. a kind of Anti-blocking infiltrating irrigation device according to claim 1, it is characterised in that: through-hole (9) setting is being laid flat
Compound infiltrating irrigation pipe top.
3. a kind of Anti-blocking infiltrating irrigation device according to claim 1, it is characterised in that: the anti-blocking water outlet device (3) passes through
Adhesive is adhered to the top of the compound infiltrating irrigation pipe laid flat；Alternatively, the anti-blocking water outlet device (3) passes through fixed bracket (4) admittedly
It is scheduled on compound infiltrating irrigation pipe.
4. a kind of anti-blocking water outlet device, including semi-annular shape ontology, it is characterised in that: be equipped in the middle part of the inner wall of semi-annular shape ontology
Catch basin (11) is equipped with the runner (12) being connected with catch basin (11), semi-annular shape at the inside wall edge of semi-annular shape ontology
The inside wall edge of ontology is equipped with the water outlet (8) being connected with runner (12).
5. a kind of anti-blocking water outlet device according to claim 4, it is characterised in that: the semi-annular shape ontology passes through fastening
Bar (5) is connected and fixed with fixed bracket (4).
6. a kind of anti-blocking water outlet device according to claim 5, it is characterised in that: the both ends of the semi-annular shape ontology point
It is not fixed with convex edge (6), upper convex edge (6) is equipped with fixation hole (10), and fixed bracket (4) are in semi-annular shape, fixed bracket
(4) both ends are fixed with the compatible lower convex edge (7) with upper convex edge (6) respectively, anchorage bar (5) setting in upper convex edge (6) and
In the fixation hole (10) of lower convex edge (7).
7. a kind of anti-blocking water outlet device according to claim 4, it is characterised in that: there are two the runner (12) is set, point
Not Wei Yu semi-annular shape inner body wall two edges, and be all connected with catch basin (11).
8. a kind of anti-blocking water outlet device according to claim 4, it is characterised in that: the both ends of the runner (12) are right respectively
1-3 water outlets (8) should be equipped with；The runner (12) is rectangle or wavy.
9. a kind of compound infiltrating irrigation pipe, it is characterised in that: it is made of capillary percolation pipe (1) and seal pipe (2), and seal pipe (2) is set
On the outer wall of capillary percolation pipe (1).
10. a kind of compound infiltrating irrigation pipe according to claim 9, it is characterised in that: the capillary percolation pipe (1) and sealing
(2) are managed by extrusion molding of extruder；The seal pipe (2) is equipped with through-hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811503457.9A CN109302970B (en) | 2018-12-10 | 2018-12-10 | Composite infiltrating irrigation pipe, anti-blocking water outlet device and anti-blocking infiltrating irrigation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811503457.9A CN109302970B (en) | 2018-12-10 | 2018-12-10 | Composite infiltrating irrigation pipe, anti-blocking water outlet device and anti-blocking infiltrating irrigation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109302970A true CN109302970A (en) | 2019-02-05 |
| CN109302970B CN109302970B (en) | 2024-08-16 |
Family
ID=65222507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811503457.9A Active CN109302970B (en) | 2018-12-10 | 2018-12-10 | Composite infiltrating irrigation pipe, anti-blocking water outlet device and anti-blocking infiltrating irrigation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109302970B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114831001A (en) * | 2022-05-19 | 2022-08-02 | 山东省水利科学研究院 | Water-saving composite embedded infiltrating irrigation equipment |
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| CN2822181Y (en) * | 2005-09-08 | 2006-10-04 | 恩雨实业科技有限公司 | Water infiltration pipe for agriculture |
| TWM315488U (en) * | 2007-03-05 | 2007-07-21 | Fu-Jen Hou | Structure of water permeable pipe |
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| CN205818539U (en) * | 2016-05-25 | 2016-12-21 | 莱芜市长江塑料制品有限公司 | Compensation of a kind of gap with pipe clamp infiltrating irrigation pipe |
| CN107041281A (en) * | 2017-05-22 | 2017-08-15 | 大禹节水（天津）有限公司 | A kind of novel underground formula irrigation rig |
| CN209135031U (en) * | 2018-12-10 | 2019-07-23 | 纪兴华 | A kind of compound infiltrating irrigation pipe and anti-blocking water outlet device and Anti-blocking infiltrating irrigation device |
-
2018
- 2018-12-10 CN CN201811503457.9A patent/CN109302970B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5332160A (en) * | 1992-10-26 | 1994-07-26 | Agrifim Irrigation International N.V. | Multi-layer drip irrigation conduit |
| CN2653870Y (en) * | 2003-09-11 | 2004-11-10 | 蔡焕杰 | Pressure less water saving percolation irrigation pipe |
| CN2822181Y (en) * | 2005-09-08 | 2006-10-04 | 恩雨实业科技有限公司 | Water infiltration pipe for agriculture |
| US20070278330A1 (en) * | 2006-06-01 | 2007-12-06 | Ting-I Lin | Oozing Hose |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114831001A (en) * | 2022-05-19 | 2022-08-02 | 山东省水利科学研究院 | Water-saving composite embedded infiltrating irrigation equipment |
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| Publication number | Publication date |
|---|---|
| CN109302970B (en) | 2024-08-16 |
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