CN103548440A - Capillary drainage type buried pipe drainage method under shallow buried condition - Google Patents
Capillary drainage type buried pipe drainage method under shallow buried condition Download PDFInfo
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- CN103548440A CN103548440A CN201310586643.4A CN201310586643A CN103548440A CN 103548440 A CN103548440 A CN 103548440A CN 201310586643 A CN201310586643 A CN 201310586643A CN 103548440 A CN103548440 A CN 103548440A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
Abstract
The invention relates to a capillary drainage type buried pipe drainage method under a shallow buried condition. According to the method, root irrigation pipes provided with cutting wood and grooves in two sides are selected as drain pipes; and the selected root irrigation pipes are buried in a farmland at an 80 cm interval, a 2.2-3.3 permillage slope and a 60-80 cm depth, serve as underground capillary drainage type buried pipes, and are communicated perpendicularly with agricultural drainage open channels, so that farmland irrigation water drains salt accumulated in the farmland soil into an agricultural draining system, and fast salt washing and water draining are achieved. Experiments prove that the capillary drainage type buried pipes adopted in the method are good in drainage effect and long in service life.
Description
Technical field
The present invention relates to the hair row formula pipe drainage method under a kind of shallow embedding condition, belong to soil melioration field.
Background technology
The present invention is directed to the heavy saline of district oasis edge bury of groundwater within the scope of 0.8-1.0m, due to the stronger backwater effect of underground water can block farmland irrigating water under blend the eliminating of salinity, make irrigation water be trapped in farmland surface for up to 1 wheat harvesting period, cause farmland in salification state, cannot carry out normally and cultivate for a long time.For this problem, traditional way is (1) conventional gutter drainage, in farmland, excavate agriculture row's open channel and be connected with bucket row, unnecessary water is entered to bucket row to enter agricultural drain system, this method has certain effect, but the farmland darker with bury of groundwater compared, and drainage speed is relatively slow, and be easily subject to the impact of slope failure.(2) on excavation agriculture row's basis, in farmland, excavate the provisional hair row that spacing is less, when winter irrigation, unnecessary water is entered to bucket row and enters agricultural drain system via agriculture.This technology drainage speed is compared with the better effects if of first method draining, but because annual winter irrigation all will be dug provisional hair row again, not only time-consuming taking a lot of work, can't form continuation draining salt discharge in whole breeding time, and improved effect is limited.(3) arranging the buried hidden pipe of parallel direction (being the closed drainage of agriculture row formula) with agriculture, buried depth is greater than 1m, and spacing generally, more than 30m, replaces the straight-through bucket row of agriculture row with hidden pipe.This method is because the depth of burying has surpassed 1m, thereby descends inappositely buried depth in the heavy saline of 0.8-1m, even if dive, buries also that can to lay distance because of tubing longer, can not form effective gradient and affects drainage efficiency.The present invention i.e. the heavy saline in 0.8-1m, draining difficulty for bury of groundwater, the root for subsurface irrigation is filled with to pipe and according to a determining deviation, carry out shallow embedding and arrange open channel vertical connection (it is shorter that tubing is laid distance) to accelerate the technology of agricultural drain salt discharge as the agriculture in permanent underground drainage hollow billet and field.
By < < SWIC > > (1989-), < < academic magazine database > > (1994-), < < Chinese patent database > > (1985-), < < ties up in Chongqing general full-text database > >, ISI Proceedings(1968-), CSA(1985-), Blackwell (1990-), the international and domestic databases such as Elsevier (1980-).Find altogether 178 pieces of closed drainage pertinent literatures, wherein Chinese literature is 170 pieces, 8 pieces of relevant domestic patents, 15 pieces of foreign patents, be general pertinent literature, mainly concentrate on traditional tubing and carry out the hidden pipe depth of burying under conventional, buried condition and the research of spacing, all do not relate under shallow embedding condition, utilize root to fill with pipe as draining hollow billet, straight-through agriculture row carries out the technology of Drainage of salt.Relating to root and fill with the patent of pipe and have 3, is all for arid biogeographic zone water-saving irrigation, and none research relates to fills with after pipe transformation root for closed drainage.
Summary of the invention
The object of the invention is, hair row formula under a kind of shallow embedding condition pipe drainage method is provided, the method selects tube wall both sides to fill with pipe as drainpipe with the root of cutting and groove, the root choosing is filled with to pipe by 80cm spacing, 2.2-3.3 ‰ the gradient, the degree of depth of 60-80cm is embedded in the middle of farmland, as underground hair row formula hidden pipe, and open channel is vertical communicates with agriculture row, make farmland irrigating water arrange formula hidden pipe by hair the salinity of accumulating in agricultural land soil is arranged into agricultural drain system, to reach quick desalinization of soil by flooding or leaching draining object.Show by experiment: method drainage effect of the present invention is good, long service life.
Hair row formula pipe drainage method under a kind of shallow embedding condition of the present invention, follows these steps to carry out:
Pipe is filled with as drainpipe with the root of cutting and groove in a, selection tube wall both sides, and root is filled with pipe diameter 50mm, and between cutting and groove, gap is 0.04mm, on the tube wall of every meter of root filling pipe, has 50 inlet openings, and inlet opening diameter is 0.005mm;
B, the root that chooses is filled with to pipe by 80cm spacing, the gradient of 2.2-3.3 ‰, the degree of depth of 60-80cm is embedded in the middle of farmland, as underground hair row formula hidden pipe, and is that open channel is vertical communicates for 2m, the degree of depth agriculture row that is 1.5m with width;
C, the more shallow side of hair row's formula hidden pipe degree of depth of burying underground in farmland is excavated to dark 1 meter, width is the desilting ditch of 1.5 meters, and the mouth of pipe that hair is arranged formula hidden pipe is stretched out to furrow bank, then with plug, seal the mouth of pipe, while having Sediment Siltation in bury underground hair row formula hidden pipe, open plug with water pump to the row's of the cleaning silt of fetching water in pipe.
The method that invention is described and prior art analysis contrast: the hair row formula shallow embedding closed drainage under shallow embedding condition of the present invention is effective, long service life.Because the root as drainpipe is filled with pipe, its osculum is positioned at tube wall both sides, has cutting protection to prevent that silt from entering outward.The water of the desalinization of soil by flooding or leaching is to infiltrate in the gap of both sides cutting.Between groove on cutting and tube wall, gap is 0.04 millimeter and can effectively prevents that sand grains from entering the inlet opening of causing on tube wall and stopping up (particle diameter of sand grains is generally greater than 0.05 millimeter); Inlet opening diameter on tube wall is 0.005 millimeter, also can limit to greatest extent silt in farmland and enter the speed in pipe.Add inlet opening and be positioned at tube wall both sides, and make silt be difficult to rely on gravity directly to enter drainpipe.And the tubing that traditional closed drainage technology is used, osculum is positioned at directly over pipeline, and water is to rely on the effect of gravity easily to enter in pipe, and because the hole of protective materials is larger, under Action of Gravity Field, silt more easily stops up water inlet, the desilting of need to often fetching water.Meanwhile, on the tube wall of diameter 50mm root filling pipe, every meter has 50 inlet openings, is conducive to strengthen agricultural drain efficiency.Whether in addition, the mouth of pipe of diameter 50mm root being filled with to pipe stretches out furrow bank, be conducive in observation tube, deposit and facilitate timely desilting.
Hair row formula pipe drainage method under a kind of shallow embedding condition of the present invention, in the method, (1) fills with pipe because of the root as drainpipe, and its osculum is positioned at tube wall both sides, has cutting protection to prevent that silt from entering outward.The water of the desalinization of soil by flooding or leaching is to infiltrate in the gap of both sides cutting.Between groove on cutting and tube wall, gap is 0.04 millimeter and can effectively prevents that sand grains from entering the inlet opening of causing on tube wall and stopping up (particle diameter of sand grains is generally greater than 0.05 millimeter); Inlet opening diameter on tube wall is 0.005 millimeter, also can limit to greatest extent silt in farmland and enter the speed in pipe; On the tube wall of diameter 50mm root filling pipe, every meter has 50 inlet openings, is conducive to strengthen agricultural drain efficiency.(2) root is filled with to pipe according to 80cm spacing, the gradient of 2.2-3.3 ‰ and the degree of depth of 60-80cm are embedded in the middle of farmland, as permanent underground drainage hollow billet, and be that open channel is vertical communicates for 2m, the degree of depth agriculture row that is 1.5m with width, make farmland irrigating water arrange formula hidden pipe by hair the salinity of accumulating in agricultural land soil is arranged into agricultural drain system, to accelerate heavy saline agricultural drain desalinization of soil by flooding or leaching speed.For accelerating water in agriculture row to the moving speed of bucket drainage and reducing the impact of agriculture row slope failure, in agriculture row, lay the hidden pipe of a 75-90mm diameter and connect with row's alkali lateral canal, as underground row's alkali field ditch, use.(3) in farmland, bury the more shallow side of hair row's formula hidden pipe degree of depth underground and excavate dark 1 meter, width is the desilting ditch of 1.5 meters, and makes the hair row formula hidden pipe mouth of pipe of this side stretch out furrow bank, then with plug, seals the mouth of pipe and invades to prevent dust storm.While having Sediment Siltation in buried underground hidden pipe, open plug and with water pump, to fetching water in pipe, clean and reach the object that row is become silted up.
Embodiment
Embodiment
Pipe is filled with as drainpipe with the root of cutting and groove in a, selection tube wall both sides, and root is filled with pipe diameter 50mm, and between cutting and groove, gap is 0.04mm, on the tube wall of every meter of root filling pipe, has 50 inlet openings, and inlet opening diameter is 0.005mm;
B, the root that chooses is filled with to pipe by 80cm spacing, 2.2-3.3 ‰ the gradient, the degree of depth of 60-80cm is embedded in the middle of farmland, as underground hair row formula hidden pipe, and be that open channel is vertical communicates for 2m, the degree of depth agriculture row that is 1.5m with width, make farmland irrigating water arrange formula hidden pipe by hair the salinity of accumulating in agricultural land soil is arranged into agricultural drain system, to reach quick desalinization of soil by flooding or leaching draining object;
C, the more shallow side of hair row's formula hidden pipe degree of depth of burying underground in farmland is excavated to dark 1 meter, width is the desilting ditch of 1.5 meters, and the mouth of pipe that hair is arranged formula hidden pipe is stretched out to furrow bank, then with plug, seal the mouth of pipe, while having Sediment Siltation in bury underground hair row formula hidden pipe, open plug with water pump to the row's of the cleaning silt of fetching water in pipe.
The present invention in bar field, No. 17,3 village, the A Bati of Tadzhikistan town, TAXKORGAN county, Xinjiang and 5 groups of No. 7 bar fields because bury of groundwater is shallow, soil salt discharge difficulty and causing on the farmland of letting a piece of farmland go to waste is for many years tested, result of the test shows: utilize root filling pipe to carry out the closed drainage of hair row formula and can accelerate soil salt discharge speed, accelerating the good slaking of improvement of soil, is a kind of method that is suitable for local alkaline land improving;
1. different disposal drainage effect test
Under table 1.150mm irrigation volume condition, different drainage pattern farmland irrigating waters get rid of required time
Contrast is the farmland of not laying hidden pipe and soil sticky weight adjacent with experimental field, and area is 50 mu, and drainage pattern is gutter drainage, and ditch spacing is 120m; The agriculture row formula closed drainage test region of 30 meters of hidden pipe Lay intervals is comprised of 4 farmlands, every 5 mu, adds up to 20 mu; In hair row formula closed drainage test, hidden pipe Lay interval is respectively 0.8m, 1.6m, and 2.4m, each 4 community of spacing paving, amounts to 12Ge community, and the area of each community is 1500m
2pour water and adopt tripod weir to control the water yield, pour water on the same day, observe community water regime every day, take and drain day without open fire as moisture, as can be seen from Table 1, the successful of hair row formula closed drainage is better than the closed drainage of agriculture row formula, and in different hollow billet Lay intervals, the highest with the drainage efficiency of 0.8m spacing again;
2. the variation of different disposal soil salt content
Under table 2150mm irrigation volume condition, different disposal 0～30cm soil salt content changes
By the mensuration to the total salt amount of experimental plot 0-30cm topsoil soils; as can be seen from Table 2; the desalinization of soil by flooding or leaching successful of the method for the invention hair row formula closed drainage is better than the closed drainage of agriculture row formula; and in different hollow billet Lay intervals; best with 0.8 meter of spacing desalinization of soil by flooding or leaching effect; make soil salt drop to 15.9g/kg from 34.6g/kg, decrease by 54.0%, improved effect is obvious; Gap between 1.6m spacing and 2.4m spacing desalinization of soil by flooding or leaching effect is little, and the range of decrease of soil salt is also between 39.6%-42.0%, and improved effect is also better than the closed drainage of agriculture row formula;
Planting effect:
Adopt the method for the invention to carry out improved test demonstration on the unreclaimed severe solonchak in moderate solonchak farmland, 10 mu, bar field, No. 17,3 village, the A Bati of Taxkorgan County Tadzhikistan town and 10 mu, No. 7 bar fields, 5 groups, 3 villages; 2013 with the method for the invention improvement and plant economic halophytes Suaeda salsa under flood irrigation condition, thus the Suaeda salsa emergence rate that makes 2 bar fields respectively by 2012 55% and 15% be increased to 2013 85% and 50%, biomass is by 6000kg/hm
2and 2250kg/hm
2be increased to 11000kg/hm
2and 4250kg/hm
2, amount of increase in production reaches respectively 83.3% and 88.9%, and Its Eco-economic Benefit is remarkable.
Claims (1)
1. the hair row formula pipe drainage method under shallow embedding condition, is characterized in that following these steps to carrying out:
Pipe is filled with as drainpipe with the root of cutting and groove in a, selection tube wall both sides, and root is filled with pipe diameter 50 mm, and between cutting and groove, gap is 0.04mm, on the tube wall of every meter of root filling pipe, has 50 inlet openings, and inlet opening diameter is 0.005mm;
B, the root that chooses is filled with to pipe by 80cm spacing, the gradient of 2.2-3.3 ‰, the degree of depth of 60-80cm is embedded in the middle of farmland, as underground hair row formula hidden pipe, and is that 2 m, the degree of depth are that open channel is vertical communicates for the agriculture row of 1.5 m with width;
C, the more shallow side of hair row's formula hidden pipe degree of depth of burying underground in farmland is excavated to dark 1 meter, width is the desilting ditch of 1.5 meters, and the mouth of pipe that hair is arranged formula hidden pipe is stretched out to furrow bank, then with plug, seal the mouth of pipe, while having Sediment Siltation in bury underground hair row formula hidden pipe, open plug with water pump to the row's of the cleaning silt of fetching water in pipe.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105359659A (en) * | 2015-12-04 | 2016-03-02 | 东营乾舜农业开发有限公司 | Wind-power vacuum alkali reduction apparatus for reclamation of saline and alkaline land and use method of apparatus |
| CN106233844A (en) * | 2016-07-30 | 2016-12-21 | 山东胜伟园林科技有限公司 | A kind of application in hidden pipe salt discharge method and northeastward soda alkaline land improvement |
| CN106613754A (en) * | 2016-12-27 | 2017-05-10 | 中国科学院新疆生态与地理研究所 | Magnetized water drop irrigation method for oasis root eaten crops in arid environment |
| CN107801439A (en) * | 2017-10-24 | 2018-03-16 | 潍坊友容实业有限公司 | Salt-soda soil self-cleaning type salt discharge network system |
| CN110603918A (en) * | 2019-10-28 | 2019-12-24 | 苏州金螳螂园林绿化景观有限公司 | Soil pipeline salt elimination improvement system and salt elimination method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105359659A (en) * | 2015-12-04 | 2016-03-02 | 东营乾舜农业开发有限公司 | Wind-power vacuum alkali reduction apparatus for reclamation of saline and alkaline land and use method of apparatus |
| CN106233844A (en) * | 2016-07-30 | 2016-12-21 | 山东胜伟园林科技有限公司 | A kind of application in hidden pipe salt discharge method and northeastward soda alkaline land improvement |
| CN106613754A (en) * | 2016-12-27 | 2017-05-10 | 中国科学院新疆生态与地理研究所 | Magnetized water drop irrigation method for oasis root eaten crops in arid environment |
| CN107801439A (en) * | 2017-10-24 | 2018-03-16 | 潍坊友容实业有限公司 | Salt-soda soil self-cleaning type salt discharge network system |
| CN110603918A (en) * | 2019-10-28 | 2019-12-24 | 苏州金螳螂园林绿化景观有限公司 | Soil pipeline salt elimination improvement system and salt elimination method |
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| CN103548440B (en) | 2015-09-23 |
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