CN103711107B - New method for effectively utilizing recycled farmland drainage water by vegetation in arid desert region - Google Patents
New method for effectively utilizing recycled farmland drainage water by vegetation in arid desert region Download PDFInfo
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- CN103711107B CN103711107B CN201410030235.5A CN201410030235A CN103711107B CN 103711107 B CN103711107 B CN 103711107B CN 201410030235 A CN201410030235 A CN 201410030235A CN 103711107 B CN103711107 B CN 103711107B
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000003657 drainage water Substances 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 230000004888 barrier function Effects 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 4
- 238000012876 topography Methods 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 238000006731 degradation reaction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract 1
- 230000004083 survival effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 8
- 239000012535 impurity Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000002262 irrigation Effects 0.000 description 3
- 238000003973 irrigation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The invention relates to a new method for effectively utilizing recycled farmland drainage water by vegetation in an arid desert region. The new method is characterized in that the recycled farmland drainage water is guided into a pond built in advance by original anti-seepage canals in an oasis farmland end of the arid region and drainage channels in a desert region, is subjected to filtering treatment, and then flows into the drainage channels in the desert region along the anti-seepage canals of the farmland for survival and growth of the vegetation in the desert. The method can be used for the arid regions containing an oasis and desert ecological system, and a desert vegetation degradation region caused by natural and artificial interference can fully use the recycled farmland drainage water to achieve the effects of effective utilization of water resource, vegetation recovery and revegetation, ecological environment improvement, desertification control and the like. The method solves the problems of water resource lacking in the arid region and difficulty in reutilization of the recycled farmland drainage water for vegetation growth in the desert region.
Description
Technical field
The present invention relates to arid biogeographic zone farmland returning drainage and effectively utilize new method, the recycling and the deserta that are specifically related to farmland returning drainage effectively utilize new method.
Background technology
In China, agricultural is the basis of national economy, and China has supported with the arable land being only equivalent to the world 7% population almost accounting for the world 1/5th, achieves huge achievement.But since " 15 " and Eleventh Five-Year Plan, plantation total keeps downward trend, and there is water and soil resources mismatch problem, efficiency utilization carries out to water and soil resources extremely important.Have that the contradiction of supply and demand for the water resource is outstanding at arid biogeographic zone, life and industrial water seriously tie up the problems such as ecological water, deserta seriously decay, threatened the stability in oasis.How to improve basin water resources utilization ratio, ensure Oasis Region and Desert Regions watering balance, research and development water resource effectively utilizes technology to be the current problem in science being badly in need of solving.Current rural, wideling popularize under water-saving irrigation technique situation, the broad irrigation of high irrigation norm still exists within current and following one period, a large amount of agricultural drains is arbitrarily drained, high salinity agricultural drain one department becomes underground water by seepage, polluted underground water, another part directly enters in lower storage basin or lake, pollutes reservoir or water body in lake.Effective process and the secondary research on utilization of farmland returning drainage also win initial success, farmland returning drainage is drained to and places pond, by physics and chemistry means etc., pretreatment is implemented to farmland returning drainage, improve farmland returning drainage water quality, then directly be used for irrigated farmland, realizing secondary and utilizing.Further research farmland returning drainage effectively utilizes the basic goal of technology, is that the effective secondary realizing basin water resources utilizes, slows down the contradiction of supply and demand for the water resource, meet deserta water demand.
Traditional farmland returning drainage effectively utilizes technical method never to solve or is difficult to solve Oasis Region, basin and Desert Regions water contradictory problems, at arid biogeographic zone, along with the increase of oasis population and the development of industrial or agricultural, to the increase in demand of water resource, downstream river course is caused to stop, Lakes Dry Up, Desert Regions groundwater table sharply declines, and surface vegetation is decayed.In order to alleviate the contradiction of supply and demand for the water resource and meet downstream ecology water demand, unified for farmland returning drainage being drained to is placed pond, after carrying out filtration pretreatment, continue to be drained to needed for the growth of Desert Regions supply deserta, this technology is called that desert vegetation effectively utilizes farmland returning drainage new technology.Traditional method is farmland returning drainage physics and chemistry treatment technology, and the water after process is used for irrigating again.In addition, conventional method does not relate to the effective Utilizing question of desert vegetation to farmland returning drainage, and this method by digging anti-seepage channel and digging effective backflow and the utilization that many escape canals realize farmland returning drainage in Desert Regions in oasis, meet needed for department desert vegetation growth.For this reason, have developed arid-desert area and plant the farmland returning drainage new technology that is used effectively, to realize effective utilization of farmland returning drainage and to meet Desert Regions part vegetation growth to the demand of moisture.
Summary of the invention
The object of the invention is to, there is provided a kind of arid-desert area to plant to be used effectively farmland returning drainage new method, the method is passed through by means of the original anti-seepage channel in the edge of a field, district oasis farmland and escape canal that Desert Regions is dug, farmland returning drainage is drained in the placement pond built well in advance, after filtration treatment is implemented to farmland returning drainage, continue to flow into Desert Regions escape canal along farmland anti-seepage channel, supply deserta survives and needed for growth, realizes the object that desert vegetation effectively utilizes farmland returning drainage.The present invention can be used for the arid biogeographic zone containing oasis and desert ecosystem, because of the deserta degradation regions that nature and artificial disturbance cause, the water resource of carrying out after fully using farmland returning drainage effectively utilizes, in vegetation restoration and reconstruction, Improvement of Ecological Environment and desertification control etc.Solve water resources in arid area shortage, recycle the problem that farmland returning drainage grows for desert vegetation.
The farmland returning drainage new method that is used effectively is planted in a kind of arid-desert area of the present invention, device involved by the method is placed pond (1), water inlet (2), delivery port (3), barrier hurdle (4), tarpaulin (5) and escape canal (6) by farmland returning drainage and is formed, and concrete operations follow these steps to carry out:
A, selection build farmland returning drainage and place pond: select in arid oasis district, in units of territory, county, in territory, each county, according to topography and landform character, nearer, broad suitable place, chosen distance Desert Regions, building long is 6m, wide 3m, and dark 2m, capacity is 36m
3farmland returning drainage place pond (1), this farmland returning drainage is placed pond (1) and is connected with the edge of a field, each farmland anti-seepage channel;
B, dig escape canal in Desert Regions: be 36km at long 6km, wide 6km, area
2desert Regions in, along distance center line both sides 1.5km and 2.5km place, parallelly respectively dig 2 escape canals (6), escape canal (6) spacing is 1km, be connected with channel in oasis by the escape canal dug (6), escape canal (6) specification in Desert Regions is identical with channel in Oasis Region, if Desert Riparian Forest, center line river course replaces, and parallelly along both sides, river course respectively digs 2 escape canals (6);
C, farmland returning drainage flow into Desert Regions process: by the farmland returning drainage of discharging from the edge of a field, farmland, the water inlet (2) that anti-seepage channel places pond (1) one end from farmland returning drainage in oasis flows in farmland returning drainage placement pond (1), farmland returning drainage in inflow farmland returning drainage placement pond (1) is after barrier hurdle (4) filtration treatment, the delivery port (3) placing pond (1) other end from farmland returning drainage flows out, continue to flow in 4 escape canals (6) of excavating in the Desert Regions of connection along farmland anti-seepage channel, meet desert vegetation growth.
The side, top that farmland returning drainage in device involved by the method places pond (1) is respectively equipped with water inlet (2) and delivery port (3), place in pond (1) at farmland returning drainage and be provided with barrier hurdle (4), place pond (1) top at farmland returning drainage and cover tarpaulin (5).
The barrier hurdle (4) that farmland returning drainage in device involved by the method places pond (1) internal fixtion be distance water inlet 2m, wide be 3m, be highly 2m, the gap spacing of barrier hurdle (4) is 0.5-1cm.
The farmland returning drainage new method that is used effectively is planted in arid-desert area of the present invention, and the method compared with prior art, has the following advantages and distinguished effect:
the present invention, to meet for the purpose of the vegetation ecological water of arid-desert area, at recycling farmland returning drainage, improves water resource utilization efficiency, realizes while farmland returning drainage secondary utilizes, alleviating Oasis Region, basin and Desert Regions the contradiction of supply and demand for the water resource.
compared with the present invention utilizes technology with existing farmland returning drainage, returning drainage handling procedure is simple, processes without the need to using chemical method; Have stronger suction salt and the characteristic of anti-salt by Desert Regions natural vegetation, the high salinity farmland returning drainage entering Desert Regions can be fully utilized.
Accompanying drawing explanation
Fig. 1 is that farmland of the present invention returning drainage places pond schematic diagram;
Fig. 2 is Desert Regions of the present invention internal drainage canal schematic diagram.
Detailed description of the invention
Embodiment 1:
For Chinese sub-coupling system Bohu County, implement the inventive method;
Pond is placed at construction farmland, Oasis Region returning drainage:
In Bohu County, according to geographical position and topography and landform character, select the smooth open position in bright farm and herding Lianping, stallion barn on the south Bohu County, in oasis, the peripheral opening near Desert Regions is built 2 farmland returning drainages and is placed pond, farmland returning drainage places the long 6m in pond, wide 3m, dark 2m, namely capacity is 36m
3the side, top of placing pond 1 at farmland returning drainage is respectively equipped with water inlet 2 and delivery port 3, place in pond 1 at farmland returning drainage and be provided with distance water inlet 2m, wide be 3m, be highly the barrier hurdle 4 of 2m, the gap spacing on barrier hurdle 4 is 0.5cm, be used for filtering the impurity such as dry branches and fallen leaves in farmland returning drainage and waste plastic bag, place top, pond 1 at farmland returning drainage and cover tarpaulin 5, this farmland returning drainage is placed pond 1 and is connected with the edge of a field, each farmland anti-seepage channel;
Escape canal is dug in Desert Regions:
In Kongquehe downstream, Bohu County, long 6km, wide 6km, area is selected to be 36km
2square Desert Regions, river course is had to pass at Desert Regions midline position, at distance both sides, river course 1.5km and 2.5km place, parallelly respectively dig 2 escape canals 6, know the real situation without cement, escape canal 6 spacing is 1km, is connected by the escape canal 6 dug with channel in oasis, and escape canal 6 specification in Desert Regions is identical with channel in Oasis Region;
Farmland returning drainage flows into Desert Regions process:
In Bohu County, use existing farmland anti-seepage channel, the farmland returning drainage of discharging from the edge of a field, farmland is concentrated and is drained to bright farm and stallion barn's herding and connects the water inlet 2 placing one end, pond 1 from farmland returning drainage and flow into farmland returning drainage and place in pond 1, after the impurity treatment such as the dry branches and fallen leaves in filtration farmland, gap, barrier hurdle 4 returning drainage of returning drainage placement pond 1, farmland internal fixtion and waste plastic bag, the delivery port 3 placing pond 1 other end from farmland returning drainage flows out, continue along the farmland anti-seepage channel be connected flow into excavate in the Desert Regions dug in advance in Kongquehe downstream 4 escape canals 6 in, desert vegetation growth can be met.
Embodiment 2
Pond is placed at construction farmland, Oasis Region returning drainage:
In Bohu County, according to geographical position and topography and landform character, select the smooth open position in bright farm and herding Lianping, stallion barn on the south Bohu County, in oasis, the peripheral opening near Desert Regions is built 2 farmland returning drainages and is placed pond, farmland returning drainage places the long 6m in pond, wide 3m, dark 2m, namely capacity is 36m
3the side, top of placing pond 1 at farmland returning drainage is respectively equipped with water inlet 2 and delivery port 3, place in pond 1 at farmland returning drainage and be provided with distance water inlet 2m, wide be 3m, be highly the barrier hurdle 4 of 2m, the gap spacing on barrier hurdle 4 is 1cm, be used for filtering the impurity such as dry branches and fallen leaves in farmland returning drainage and waste plastic bag, place top, pond 1 at farmland returning drainage and cover tarpaulin 5, this farmland returning drainage is placed pond 1 and is connected with the edge of a field, each farmland anti-seepage channel;
Escape canal is dug in Desert Regions:
In Kongquehe downstream, Bohu County, long 6km, wide 6km, area is selected to be 36km
2square Desert Regions, along distance center line both sides 1.5km and 2.5km place, parallelly respectively dig 2 escape canals 6, escape canal 6 spacing is 1km, is connected by the escape canal 6 dug with channel in oasis, and escape canal 6 specification in Desert Regions is identical with channel in Oasis Region;
Farmland returning drainage flows into Desert Regions process:
In Bohu County, use existing farmland anti-seepage channel, the farmland returning drainage of discharging from the edge of a field, farmland is concentrated and is drained to bright farm and stallion barn's herding and connects the water inlet 2 placing one end, pond 1 from farmland returning drainage and flow into farmland returning drainage and place in pond 1, flow into farmland returning drainage and place the farmland returning drainage in pond 1 by after the impurity treatment such as the dry branches and fallen leaves in filtration farmland, gap, barrier hurdle 4 returning drainage of farmland returning drainage placement pond 1 internal fixtion and waste plastic bag, farmland returning drainage flows out from the delivery port 3 placing pond 1 other end, continue along the farmland anti-seepage channel be connected flow into excavate in the Desert Regions dug in advance in Kongquehe downstream 4 escape canals 6 in, desert vegetation growth can be met.
Claims (3)
1. the farmland returning drainage new method that is used effectively is planted in an arid-desert area, it is characterized in that the device involved by the method is made up of farmland returning drainage placement pond (1), water inlet (2), delivery port (3), barrier hurdle (4), tarpaulin (5) and escape canal (6), concrete operations follow these steps to carry out:
A, selection build farmland returning drainage and place pond: select in arid oasis district, in units of territory, county, in territory, each county, according to topography and landform character, nearer, broad suitable place, chosen distance Desert Regions, building long is 6m, wide 3m, and dark 2m, capacity is 36m
3farmland returning drainage place pond (1), this farmland returning drainage is placed pond (1) and is connected with the edge of a field, each farmland anti-seepage channel;
B, dig escape canal in Desert Regions: be 36km at long 6km, wide 6km, area
2desert Regions in, along distance center line both sides 1.5km and 2.5km place, parallelly respectively dig 2 escape canals (6), escape canal (6) spacing is 1km, be connected with channel in oasis by the escape canal dug (6), escape canal (6) specification in Desert Regions is identical with channel in Oasis Region, if Desert Riparian Forest, center line river course replaces, and parallelly along both sides, river course respectively digs 2 escape canals (6);
C, farmland returning drainage flow into Desert Regions process: by the farmland returning drainage of discharging from the edge of a field, farmland, the water inlet (2) that anti-seepage channel places pond (1) one end from farmland returning drainage in oasis flows in farmland returning drainage placement pond (1), farmland returning drainage in inflow farmland returning drainage placement pond (1) is after barrier hurdle (4) filtration treatment, the delivery port (3) placing pond (1) other end from farmland returning drainage flows out, continue to flow in 4 escape canals (6) of excavating in the Desert Regions of connection along farmland anti-seepage channel, meet desert vegetation growth.
2. method according to claim 1, it is characterized in that the side, top in farmland returning drainage placement pond (1) in device involved by the method is respectively equipped with water inlet (2) and delivery port (3), place in pond (1) at farmland returning drainage and be provided with barrier hurdle (4), place pond (1) top at farmland returning drainage and cover tarpaulin (5).
3. method according to claim 1, it is characterized in that the farmland returning drainage in device involved by the method places the barrier hurdle (4) of pond (1) internal fixtion for distance water inlet 2m, wide is 3m, highly for 2m, the gap spacing of barrier hurdle (4) is 0.5-1cm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410030235.5A CN103711107B (en) | 2014-01-23 | 2014-01-23 | New method for effectively utilizing recycled farmland drainage water by vegetation in arid desert region |
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| CN201410030235.5A CN103711107B (en) | 2014-01-23 | 2014-01-23 | New method for effectively utilizing recycled farmland drainage water by vegetation in arid desert region |
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| CN103711107B true CN103711107B (en) | 2015-07-22 |
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| CN112085409B (en) * | 2020-09-18 | 2021-09-17 | 中国水利水电科学研究院 | Underground water level regulation and control method for synergistically relieving desertification and secondary salinization of arid region |
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| JPH1198928A (en) * | 1997-09-26 | 1999-04-13 | Shinsengumi:Kk | Plant raising system in resert or the like |
| CN102392436A (en) * | 2011-08-29 | 2012-03-28 | 镇江盛弘景观植物有限公司 | Drainage-saving system for cultivation in farmland |
| CN203247641U (en) * | 2013-02-04 | 2013-10-23 | 天津绿茵景观工程有限公司 | Water collecting system for recycling irrigation water |
| CN103229696A (en) * | 2013-05-16 | 2013-08-07 | 杨正祥 | Water-saving irrigation facility |
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Granted publication date: 20150722 |