CN106942020A - Agriculture fishery rapidly and efficiently fills drainage system - Google Patents
Agriculture fishery rapidly and efficiently fills drainage system Download PDFInfo
- Publication number
- CN106942020A CN106942020A CN201710248535.4A CN201710248535A CN106942020A CN 106942020 A CN106942020 A CN 106942020A CN 201710248535 A CN201710248535 A CN 201710248535A CN 106942020 A CN106942020 A CN 106942020A
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- water
- intubation
- pouring water
- running
- drain pipe
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Classifications
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- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
- E02B11/005—Drainage conduits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Water Supply & Treatment (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
Drainage system is rapidly and efficiently filled the present invention relates to agriculture fishery, belong to agriculture fishery auxiliary facility technical field, the system includes irrigation canal, tank, pour water horizontal intubation, pour water pipe bend, pour water pipe bend running-on, pour water and erect intubation, ridge, transverse drainage is intubated, drain pipe elbow, drain pipe elbow running-on, the perpendicular intubation of draining and gutter, irrigation canal, tank, pour water horizontal intubation, pipe bend and the perpendicular intubation of pouring water of pouring water constitute water adding system, transverse drainage is intubated, drain pipe elbow, the perpendicular intubation of draining and gutter constitute drainage system, the materials of system Construction are easy, the row's of filling rapid operation, it is easy to operate, labor intensity is low, the row's of filling efficiency high, the salt discharge effect that desalts is good, invest maintenance cost low, soil property is not easily runed off, to agriculture, fish production, environmental protection etc. all has economic worth and social effect.
Description
Technical field
The present invention relates to Coastal beach agriculture fishery irrigation and drainage arrangement, more particularly to a kind of agriculture fishery rapidly and efficiently row of filling
Water system, belongs to agriculture fishery auxiliary facility technical field.
Background technology
China coast wetland is vast in territory, land resource very abundant, but have some original Salt production places because
The reason such as close, stop production and change one's profession wastes large stretch of coastal idle land, is that salinity is especially high, hardened spy the characteristics of these saltern
Not Chong, fertility it is especially low, even salt-tolerant plant also is difficult to growth, or excavates fishery cultivating pond and be also difficult to breeding seawater production
Product；How these plot are improved, make originally can not growing plant geavy salt field become the very heavy rice of per mu yield good farmland or
Excavate fishery cultivating pond and carry out the objective that the cultivation of seawater product is this case, this gives birth to Coastal beach development and Utilization of Land Resources, grain
Production, fishery cultivating, environmental protection and salt-tolerant plant research all have economic worth and social effect；It is existing by filling draining pair
The method that salt pan progress desalination is desalted is more, and conventional is excavated by manual work mouthful and filling row's method of banketing, or fills row's method with mechanical water pump；
Excavated by manual work mouthful and filling row's method labor intensity that bankets are high, and greatly, the row's of filling effect is poor, easily cause soil property loss for operation difficulty；Water pump machine
Tool fills row's method facility complexity, power consumption is more and cost is big, and cable paving line and Electric Appliance Cabinet installation difficulty, security are poor.
The content of the invention
It is an object of the invention to provide a kind of cost of investment is low, easy operation, security it is good, the salt discharge effect that desalts is good,
The filling drainage system of the row's of filling efficiency high.
The technical problems to be solved by the invention are achieved through the following technical solutions：Agriculture fishery rapidly and efficiently fills draining
System includes irrigation canal (1), tank (2), pour water horizontal intubation (3), pipe bend of pouring water (4), pour water pipe bend running-on (5), diversion
Mouth (6), water filling port (7), pour water perpendicular intubation (8), ridge (9), transverse drainage intubation (10), drain pipe elbow (11), discharge outlet
(12), drain pipe elbow running-on (13), delivery port (14), the perpendicular intubation (15) and gutter (16) of draining.
Pour water horizontal intubation (3), pipe bend of pouring water (4) and perpendicular intubation (8) of pouring water constitutes component of pouring water, transverse drainage is intubated
(10), drain pipe elbow (11) and the perpendicular intubation (15) of draining constitute drain assembly, irrigation canal (1), tank (2), horizontal intubation of pouring water
(3), pour water pipe bend (4) and pour water perpendicular intubation (8) composition water adding system, transverse drainage intubation (10), drain pipe elbow (11), row
Perpendicular intubation (15) and gutter (16) the composition drainage system of water.
Farmland is divided into several fields (17), field (17) is square, farmland center is provided with a bottom and field
(17) it is higher than field (17) surface and flat with ridge (9) surface provided with bottom in the irrigation canal (1) of flush, irrigation canal (1)
The bottom of the neat tank (2) for being used to stop fresh water loss, irrigation canal (1) and tank (2) left and right sides is equipped with horizontal insert of pouring water
(3), pipe bend of pouring water (4) and irrigating gate (6) are managed, pipe bend of pouring water (4) two ends are equipped with pipe bend running-on (5) of pouring water, poured water
Horizontal intubation (3) one end is water filling port (7), and it draws towards one side of field (17), and the other end for horizontal intubation (3) of pouring water is by pouring water
Pipe bend running-on (5) is connected with the bottom of pipe bend of pouring water (4), and the pipe bend running-on (5) of pouring water of pipe bend of pouring water (4) upper end is opened
Mouth is irrigating gate (6), and irrigating gate (6) edge is higher than 2~3 centimetres of tank (2) bottom, is provided with above pipe bend running-on (5) of pouring water
The perpendicular intubation (8) of pouring water that can be plugged of activity, stopping perpendicular intubation (8) of being poured water when pouring water is inserted perpendicularly into pipe bend running-on of pouring water
(5) in, 10~15 centimetres are higher by the top of irrigation canal (1) at the top of perpendicular intubation (8) of pouring water.
Farmland side is provided with gutter (16), between gutter (16) and field (17) and field (17) and field (17)
Between be provided with ridge (9), provided with transverse drainage intubation (10) and drain pipe elbow below the ridge (9) of gutter (16) side
(11), drain pipe elbow (11) two ends are equipped with drain pipe elbow running-on (13), and transverse drainage intubation (10) one end is delivery port
(14), it draws towards the one side of gutter (16), and transverse drainage is intubated (10) other end and passes through drain pipe elbow running-on (13) and row
The bottom connection of water pipe elbow (11), drain pipe elbow running-on (13) opening of drain pipe elbow (11) upper end is discharge outlet
(12) can insert provided with activity above, discharge outlet (12) edge and field (17) flush, drain pipe elbow running-on (13)
The perpendicular intubation (15) of draining pulled out, the perpendicular intubation (15) of draining is inserted perpendicularly into drain pipe elbow running-on (13) when stopping draining, draining
12~20 centimetres are higher by the top of ridge (9) at the top of perpendicular intubation (15).
Every piece of field (17) sets 3~4 discharge outlet (12), and field (17) is by (3) one lateral discharge outlet of horizontal intubation of pouring water
(12) side forms 1 ° of rake ratio drop；Tank (2) bottom section semicircular in shape, its depth of centre line is 90 centimetres, tank (2)
Material be embedded with the concrete of meshy steel wire for inside, 4~5 centimetres of wall thickness, pours water horizontal intubation (3) and transverse drainage is intubated (10)
Material is pvc pipe, and external diameter is 16~20 centimetres, and wall thickness is 3~5 millimeters.
The perpendicular intubation (15) of draining is inserted in discharge outlet (12) and drain pipe elbow running-on (13) when pouring water, perpendicular intubation of pouring water
(8) extracted from pour water pipe bend running-on (5) and irrigating gate (6), the water of irrigation canal (1) enters horizontal insert of pouring water from irrigating gate (6)
Manage (3), flowed out to by water filling port (7) in field (17).
Perpendicular intubation (8) of being poured water during draining is inserted in pour water pipe bend running-on (5) and irrigating gate (6), the perpendicular intubation (15) of draining
Extracted from discharge outlet (12) and drain pipe elbow running-on (13), the water in field (17) enters transverse drainage from discharge outlet (12) and inserted
Manage (10), flowed out to by delivery port (14) in gutter (16).
Due to using above-mentioned technical proposal, advantage for present invention and good effect are：The materials of system Construction are held
Easily, the row's of filling rapid operation, easy to operate, labor intensity is low, and the row's of filling efficiency high, the salt discharge effect that desalts are good, investment maintenance cost is low,
Soil property is not easily runed off, and all has economic worth and social effect to agriculture, fish production, environmental protection etc..
Brief description of the drawings
The present invention has following 4 width accompanying drawing：
Fig. 1 is the schematic diagram of the system,
Fig. 2 is the schematic diagram that the system irrigates part,
Fig. 3 is the schematic diagram of the system water discharging part,
Fig. 4 is the top view of the system.
Each numeral is marked in accompanying drawing to be expressed as follows respectively：
1. irrigation canal, 2. tanks, 3. pour water horizontal intubation, and 4. pour water pipe bend, and 5. pour water pipe bend running-on, 6. irrigating gates, 7.
Water filling port, 8., which pour water, erects intubation, 9. ridges, 10. transverse drainages intubation, 11. drain pipe elbows, 12. discharge outlet, 13. drainpipes
Elbow running-on, 14. delivery ports, the perpendicular intubation of 15. drainings, 16. gutters, 17. fields, 18. kinds of plants, the 19. irrigation canal waters surface,
20. the gutter water surface.
Embodiment
1. according to Fig. 1 to Fig. 4, agriculture fishery, which rapidly and efficiently fills drainage system, includes irrigation canal (1), tank (2), horizontal insert of pouring water
Pipe (3), pipe bend of pouring water (4), pipe bend running-on (5) of pouring water, irrigating gate (6), water filling port (7), pour water perpendicular intubation (8), ridge
(9), transverse drainage intubation (10), drain pipe elbow (11), discharge outlet (12), drain pipe elbow running-on (13), delivery port (14), row
The perpendicular intubation (15) and gutter (16) of water.
2. horizontal intubation (3) of pouring water, pipe bend of pouring water (4) and perpendicular intubation (8) of pouring water constitute component of pouring water, transverse drainage intubation
(10), drain pipe elbow (11) and the perpendicular intubation (15) of draining constitute drain assembly, irrigation canal (1), tank (2), horizontal intubation of pouring water
(3), pour water pipe bend (4) and pour water perpendicular intubation (8) composition water adding system, transverse drainage intubation (10), drain pipe elbow (11), row
Perpendicular intubation (15) and gutter (16) the composition drainage system of water.
3. farmland is divided into several fields (17), field (17) is square, and farmland center is provided with a bottom and field
(17) it is higher than field (17) surface and flat with ridge (9) surface provided with bottom in the irrigation canal (1) of flush, irrigation canal (1)
The bottom of the neat tank (2) for being used to stop fresh water loss, irrigation canal (1) and tank (2) left and right sides is equipped with horizontal insert of pouring water
(3), pipe bend of pouring water (4) and irrigating gate (6) are managed, pipe bend of pouring water (4) two ends are equipped with pipe bend running-on (5) of pouring water, poured water
Horizontal intubation (3) one end is water filling port (7), and it draws towards one side of field (17), and the other end for horizontal intubation (3) of pouring water is by pouring water
Pipe bend running-on (5) is connected with the bottom of pipe bend of pouring water (4), and the pipe bend running-on (5) of pouring water of pipe bend of pouring water (4) upper end is opened
Mouth is irrigating gate (6), and irrigating gate (6) edge is higher than 2~3 centimetres of tank (2) bottom, is provided with above pipe bend running-on (5) of pouring water
The perpendicular intubation (8) of pouring water that can be plugged of activity, stopping perpendicular intubation (8) of being poured water when pouring water is inserted perpendicularly into pipe bend running-on of pouring water
(5) in, 10~15 centimetres are higher by the top of irrigation canal (1) at the top of perpendicular intubation (8) of pouring water.
4. farmland side is provided with gutter (16), between gutter (16) and field (17) and field (17) and field
(17) ridge (9) is provided between, provided with transverse drainage intubation (10) and drainpipe below the ridge (9) of gutter (16) side
Elbow (11), drain pipe elbow (11) two ends are equipped with drain pipe elbow running-on (13), and transverse drainage intubation (10) one end is
The mouth of a river (14), it draws towards the one side of gutter (16), and transverse drainage intubation (10) other end passes through drain pipe elbow running-on (13)
It is connected with the bottom of drain pipe elbow (11), drain pipe elbow running-on (13) opening of drain pipe elbow (11) upper end is draining
Above mouthful (12), discharge outlet (12) edge and field (17) flush, drain pipe elbow running-on (13) provided with activity can be with
The perpendicular intubation (15) of the draining of plug, the perpendicular intubation (15) of draining is inserted perpendicularly into drain pipe elbow running-on (13) when stopping draining, row
12~20 centimetres are higher by the top of ridge (9) at the top of the perpendicular intubation (15) of water.
5. every piece of field (17) sets 3~4 discharge outlet (12), field (17) is by (3) one lateral drainages of horizontal intubation of pouring water
Mouth (12) side forms 1 ° of rake ratio drop；Tank (2) bottom section semicircular in shape, its depth of centre line is 90 centimetres, tank
(2) material is embedded with the concrete of meshy steel wire, 4~5 centimetres of wall thickness, pour water horizontal intubation (3) and transverse drainage intubation for inside
(10) material is pvc pipe, and external diameter is 16~20 centimetres, and wall thickness is 3~5 millimeters.
6. the perpendicular intubation (15) of draining, which is inserted in discharge outlet (12) and drain pipe elbow running-on (13), when pouring water is used for the row of closing
Water, perpendicular intubation (8) of pouring water is extracted from pour water pipe bend running-on (5) and irrigating gate (6) to be poured water for unlatching, irrigation canal (1)
Water enters horizontal intubation (3) of pouring water from irrigating gate (6), is flowed out to by water filling port (7) in field (17).
Poured water 7. perpendicular intubation (8) of being poured water during draining is inserted in pour water pipe bend running-on (5) and irrigating gate (6) for closing,
The perpendicular intubation (15) of draining is extracted from discharge outlet (12) and drain pipe elbow running-on (13) for opening in draining, field (17)
Water enters transverse drainage intubation (10) from discharge outlet (12), is flowed out to by delivery port (14) in gutter (16).
8. the rake ratio for setting field (17) to form 1 ° by the lateral drain-side of supplying water drops and makes the field will not in it in draining
Ponding in pocket water, field (17) flows to drain the remaining water in field region naturally towards discharge outlet (12) side.
Gutter 9. (16) and row river are connected with sea and can reach the requirement for having water to arrange.
Claims (1)
1. a kind of agriculture fishery rapidly and efficiently fills drainage system, including irrigation canal (1), tank (2), pour water horizontal intubation (3), irrigation pipe
Elbow (4), pipe bend running-on (5) of pouring water, irrigating gate (6), water filling port (7), perpendicular intubation (8) of pouring water, ridge (9), transverse drainage are inserted
Manage (10), drain pipe elbow (11), discharge outlet (12), drain pipe elbow running-on (13), delivery port (14), the perpendicular intubation (15) of draining
With gutter (16)；
Pour water horizontal intubation (3), pipe bend of pouring water (4) and perpendicular intubation (8) of pouring water constitutes component of pouring water, transverse drainage intubation (10), arrange
The perpendicular intubation (15) of water pipe elbow (11) and draining constitutes drain assembly, irrigation canal (1), tank (2), horizontal intubation (3) of pouring water, pours water
Pipe bend (4) and perpendicular intubation (8) composition water adding system of pouring water, transverse drainage intubation (10), drain pipe elbow (11), the perpendicular intubation of draining
(15) and gutter (16) composition drainage system；
It is characterized in that：Farmland is divided into several fields (17), field (17) is square, farmland center provided with bottom with
The irrigation canal (1) of field (17) flush, in irrigation canal (1) provided with bottom higher than field (17) surface and with ridge (9) table
The bottom of the tank (2) for being used to stop fresh water loss of face concordantly, irrigation canal (1) and tank (2) left and right sides, which is equipped with, pours water
Horizontal intubation (3), pipe bend of pouring water (4) and irrigating gate (6), pipe bend of pouring water (4) two ends are equipped with pipe bend running-on (5) of pouring water,
Horizontal (3) one end that is intubated pour water for water filling port (7), it draws towards one side of field (17), the other end for horizontal intubation (3) of pouring water passes through
Pipe bend running-on (5) of pouring water is connected with the bottom of pipe bend of pouring water (4), the pipe bend running-on of pouring water of pipe bend of pouring water (4) upper end
(5) opening is irrigating gate (6), and irrigating gate (6) edge is higher than 2~3 centimetres of tank (2) bottom, above pipe bend running-on (5) of pouring water
The perpendicular intubation (8) of pouring water that can be plugged provided with activity, stopping perpendicular intubation (8) of being poured water when pouring water is inserted perpendicularly into pipe bend set of pouring water
In mouth (5), 10~15 centimetres of irrigation canal (1) top is higher by the top of perpendicular intubation (8) of pouring water；
Farmland side is provided with gutter (16), between gutter (16) and field (17) and between field (17) and field (17)
Provided with ridge (9), provided with transverse drainage intubation (10) and drain pipe elbow below the ridge (9) of gutter (16) side
(11), drain pipe elbow (11) two ends are equipped with drain pipe elbow running-on (13), and transverse drainage intubation (10) one end is delivery port
(14), it draws towards the one side of gutter (16), and transverse drainage is intubated (10) other end and passes through drain pipe elbow running-on (13) and row
The bottom connection of water pipe elbow (11), drain pipe elbow running-on (13) opening of drain pipe elbow (11) upper end is discharge outlet
(12) can insert provided with activity above, discharge outlet (12) edge and field (17) flush, drain pipe elbow running-on (13)
The perpendicular intubation (15) of draining pulled out, the perpendicular intubation (15) of draining is inserted perpendicularly into drain pipe elbow running-on (13) when stopping draining, draining
12~20 centimetres are higher by the top of ridge (9) at the top of perpendicular intubation (15)；
Every piece of field (17) sets 3~4 discharge outlet (12), and field (17) is by (3) one lateral discharge outlet (12) of horizontal intubation of pouring water
Side forms 1 ° of rake ratio drop；Tank (2) bottom section semicircular in shape, its depth of centre line is 90 centimetres, the material of tank (2)
Matter is embedded with the concrete of meshy steel wire, 4~5 centimetres of wall thickness, the material of pour water horizontal intubation (3) and transverse drainage intubation (10) for inside
For pvc pipe, external diameter is 16~20 centimetres, and wall thickness is 3~5 millimeters；
The perpendicular intubation (15) of draining is inserted in discharge outlet (12) and drain pipe elbow running-on (13) when pouring water, pour water it is perpendicular be intubated (8) from
Pour water and extract in pipe bend running-on (5) and irrigating gate (6), the water of irrigation canal (1) enters horizontal intubation (3) of pouring water from irrigating gate (6),
Flowed out to by water filling port (7) in field (17)；
Perpendicular intubation (8) of being poured water during draining is inserted in pour water pipe bend running-on (5) and irrigating gate (6), and perpendicular be intubated (15) of draining are from row
Extracted in the mouth of a river (12) and drain pipe elbow running-on (13), the water in field (17) enters transverse drainage from discharge outlet (12) and is intubated
(10), flowed out to by delivery port (14) in gutter (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710248535.4A CN106942020A (en) | 2017-04-17 | 2017-04-17 | Agriculture fishery rapidly and efficiently fills drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710248535.4A CN106942020A (en) | 2017-04-17 | 2017-04-17 | Agriculture fishery rapidly and efficiently fills drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106942020A true CN106942020A (en) | 2017-07-14 |
Family
ID=59476954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710248535.4A Pending CN106942020A (en) | 2017-04-17 | 2017-04-17 | Agriculture fishery rapidly and efficiently fills drainage system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106942020A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998038850A1 (en) * | 1997-03-03 | 1998-09-11 | Mitsubishi Plastics, Inc. | Water level regulating device for paddy field |
| CN201817856U (en) * | 2010-10-25 | 2011-05-04 | 江山市双塔生态农业科技有限公司 | Irrigation and drainage device for pond |
| CN103541336A (en) * | 2013-10-22 | 2014-01-29 | 方青海 | Insertion pipe drain valve |
| CN103782872A (en) * | 2012-11-02 | 2014-05-14 | 上海交通大学 | Micro-irrigation system using Yellow River water and other sediment water and plant water-saving cultivation method |
| CN104206065A (en) * | 2014-08-25 | 2014-12-17 | 扬州大学 | Device for improving farmland soil of coastal mud flat reclamation areas by combining short-term rapid drainage desalination with long-term control accumulation of salt, and drainage method thereof |
| CN204157245U (en) * | 2014-08-25 | 2015-02-18 | 扬州大学 | The level of improvement farmland, Coastal beach reclamation area interlayer soil and vertical cartel underground drainage device |
| CN105052289A (en) * | 2015-08-14 | 2015-11-18 | 中国水稻研究所 | Saline-alkali paddy salt-leaching and salt-removing method |
-
2017
- 2017-04-17 CN CN201710248535.4A patent/CN106942020A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998038850A1 (en) * | 1997-03-03 | 1998-09-11 | Mitsubishi Plastics, Inc. | Water level regulating device for paddy field |
| CN1224330A (en) * | 1997-03-03 | 1999-07-28 | 三菱树脂株式会社 | Water level regulating device for paddy field |
| CN201817856U (en) * | 2010-10-25 | 2011-05-04 | 江山市双塔生态农业科技有限公司 | Irrigation and drainage device for pond |
| CN103782872A (en) * | 2012-11-02 | 2014-05-14 | 上海交通大学 | Micro-irrigation system using Yellow River water and other sediment water and plant water-saving cultivation method |
| CN103541336A (en) * | 2013-10-22 | 2014-01-29 | 方青海 | Insertion pipe drain valve |
| CN104206065A (en) * | 2014-08-25 | 2014-12-17 | 扬州大学 | Device for improving farmland soil of coastal mud flat reclamation areas by combining short-term rapid drainage desalination with long-term control accumulation of salt, and drainage method thereof |
| CN204157245U (en) * | 2014-08-25 | 2015-02-18 | 扬州大学 | The level of improvement farmland, Coastal beach reclamation area interlayer soil and vertical cartel underground drainage device |
| CN105052289A (en) * | 2015-08-14 | 2015-11-18 | 中国水稻研究所 | Saline-alkali paddy salt-leaching and salt-removing method |
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Application publication date: 20170714 |