CN105850261A - System for collecting rainwater for salt leaching for slope type saline and alkaline land - Google Patents
System for collecting rainwater for salt leaching for slope type saline and alkaline land Download PDFInfo
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- CN105850261A CN105850261A CN201610278465.2A CN201610278465A CN105850261A CN 105850261 A CN105850261 A CN 105850261A CN 201610278465 A CN201610278465 A CN 201610278465A CN 105850261 A CN105850261 A CN 105850261A
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- 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
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cultivation Of Plants (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
Abstract
The invention relates to a system for collecting rainwater for salt leaching for slope type saline and alkaline land. The system comprises a rainwater collecting platform perpendicular to a drainage slope and a rainwater collecting trench located on the rainwater collecting platform, wherein geotextiles are laid on side surfaces and the bottom surface of the rainwater collecting trench, a rubble layer is laid at the lower layer of the rainwater collecting trench, a yellow sand layer is laid at the upper layer of the rainwater collecting trench, and a lawn area is laid at the surface layer of the rainwater collecting trench. The system has the beneficial effects that the system is convenient and quick to construct, obvious in effect and low in manufacturing cost, rainwater converged at the upper-part slope surface can be effectively retained with the method, the problem that rainwater in concrete, brick and grouted rubble rainwater collecting trenches infiltrate hardly is solved, meanwhile, problems that earth trenches is not resistant to rainwash and collapse are solved, the problem that rainwater in the slope type saline and alkaline land infiltrate for salt leaching hardly is effectively solved, and the landscape effect is guaranteed through laying of turf.
Description
Technical field
The present invention relates to alkaline land improving and field of environment protection, be specifically related to a kind of sloping field type salt-soda soil
Collection rain desalinization of soil by flooding or leaching structural system, is a kind of sloping field type salt-soda soil collection rain desalinization of soil by flooding or leaching system.
Background technology
Saline Land is a great problem that the present world faces, salt-soda soil, whole world area about 1,000,000,000
Hm2, and China's salt-soda soil degree is even more serious, about hm2 more than 100,000,000, be mainly distributed on northwest, North China,
Northeast and coastal region.Salt-soda soil is typically not used to agricultural production, and crop is also difficult in afforestation
Existence, its ecological functions can progressively deteriorate, and makes land function be extremely limited.
At present conventional alkaline land improving technology mainly has the most physically improved: prepartion of land, deep ploughing sun the earth which has been ploughed up,
The fresh water desalinization of soil by flooding or leaching, hidden pipe salt discharge etc.；2. chemical modifying: the acid of over cure Gypsum Fibrosum, calcium superphosphate, detritus, mud
Charcoal etc.；3. biological modification: plant sesbania, protect the salt tolerant crops such as colored rice grass, or it is organic to add microorganism
Fertile etc..
" salt comes with water, salt goes with water " is the basic law of moisture-salt transport, and salinity is originally in soil
Not there is animal migration, be mainly dissolved in the soil water and move with soil moisture.Salt after moisture evaporation
Divide and accumulate in topsoil；Irrigate and rainfall infiltration moisture again by salinity band to deep layer.When long
In, if owing to evaporation and take the salinity on top layer to and take the salinity of deep layer to, then more than infiltrating drip washing
Soil is in salification state；Otherwise, then desalination state it is in.
Fresh water desalinization of soil by flooding or leaching technology is the moisture-salt transport rule utilizing " salt comes, salt goes with water " with water, generally
Utilize rainfall or irrigation practice, the salinity in soil is drained with water or under ooze to deep subsoil, reach
Soil Desalting and prevent the purpose of secondary salinization, is a kind of with low cost, environmental protection, persistently has
The improving technology of effect.Moreover there is good excretion at sloping field type Underground Water in Salinization Area the most low-lying general place
Passage, therefore has preferable salt discharge (with subsoil water) condition.But slope rainwater is easily formed table
Face diameter stream is drained, and is unfavorable for the rainwater infiltration desalinization of soil by flooding or leaching.Conventional concrete, brick and cemented rock intercept water
Though ditch can with effectively catching be unfavorable for rainwater infiltration；If it addition, directly arrange Tu Gou on domatic,
The most easily cave in, and not resistance of rainwater washing against.In view of this, person skilled in art makes great efforts to grind
The enforcement device sending out sloping field type salt-soda soil collection rain desalinization of soil by flooding or leaching system a kind of.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of simple and practical, construction party
Just, the sloping field type salt-soda soil collection rain rill construction system that investment is saved, it is possible to effectively realize sloping field type saline and alkaline
The ground collection rain desalinization of soil by flooding or leaching.
To achieve the above object of the invention, it is provided that a kind of sloping field type salt-soda soil collection rain desalinization of soil by flooding or leaching system, including hanging down
Directly in collection rain platform and the collection rain rill being positioned on collection rain platform, the described collection rain rill of the domatic layout of draining
In groove shapes, being positioned on collection rain platform, collection rain platform side is that bottom is domatic, and opposite side is top
Domatic；The described rain plateau levels discrepancy in elevation that integrates is as 1.0-10.0m, and width is 2.0-5.0m；Described
Collection rain rill side and bottom surface are equipped with geotextiles, and collection rain rill lower floor is equipped with metalling, collects the upper of rain rill
Layer is equipped with yellow sand layer, collects region, laying lawn, rain rill top layer.
Preferably, described collection rain rill width is less than the width of collection rain platform, and described collects the deep of rain rill
Degree is 0.5-2.0m.
Preferably, the thickness of described metalling is the 1/4～3/4 of the whole collection rain rill degree of depth.
Preferably, metalling medium stone particle diameter is 10-100mm.
Preferably, the thickness of described yellow sand layer is the 1/4～3/4 of the whole collection rain rill degree of depth.
The sloping field type salt-soda soil collection rain desalinization of soil by flooding or leaching system that the present invention relates to, top is easy in the setting of collection rain platform
Domatic upper rainwater retains, and ensures that slope structure is stable simultaneously.Geotextiles collection rain rill in along groove
Two sides and a bottom surface are implemented laying and are used for protecting furrow bank.Arrange broken in the bottom of collection rain rill groove
Rock layers is used for water of satisfying.The top remaining space integrating rain rill groove lays yellow sand as turf offer support.Grass
Skin is laid on collection rain rill top for preventing rain drop erosion.
The invention has the beneficial effects as follows that convenient and quick construction, effect are obvious, cost is low, the method is permissible
The rainwater of effectively catching top slope concentration, overcomes concrete, brick and cemented rock intercepting ditch rainwater
The problem oozed under being difficult to, avoids Tu Gou not resistance of rainwater washing against and the problem caved in simultaneously, effectively solves
Sloping field type salt-soda soil rainwater oozes a difficult problem for the desalinization of soil by flooding or leaching under being difficult to, ensure that view is imitated by laying turf simultaneously
Really.
Accompanying drawing explanation
Fig. 1 is the structural representation of sloping field type salt-soda soil of the present invention collection rain desalinization of soil by flooding or leaching system；
Wherein:
1-bottom domatic 2-collection rain platform 3-collection rain rill
4-geotextiles 5-metalling 6-yellow sand layer
8-top, 7-turf district is domatic
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
According to a kind of sloping field type salt-soda soil collection rain desalinization of soil by flooding or leaching system shown in Fig. 1, including being arranged on slope, top
Collection rain platform 2 between face 8 and bottom domatic 1, collection rain platform 2 side is bottom domatic 1, another
Side is top domatic 8, and collection rain platform 2 is perpendicular to the domatic lateral arrangement of draining.Collection is had on collection rain platform 2
Rain rill 3, described collection rain rill 3 is in groove shapes, and collection rain rill 3 side and bottom surface are equipped with geotextiles 4,
Collection rain rill 3 lower floor is equipped with metalling 5, and the upper strata of collection rain rill 3 is equipped with yellow sand layer 6, collects rain rill 3
Region, laying lawn, top layer 7.Described rain platform 2 level height difference that integrates is as 3m, and width is 3m.Collection rain
Ditch 3 width, less than the width of collection rain platform 2, integrates the width of rain rill 3 as 1m, the degree of depth as 1m.Rubble
Thickness is whole collection rain rill 3 degree of depth the 1/2 of layer 5.The scope of metalling medium stone particle diameter is at 10-20
Between mm.The thickness of yellow sand layer 6 is the 1/2 of whole collection rain rill 3 degree of depth.Geotextiles 4 is at collection rain rill 3
Inner side is implemented laying be used for protecting furrow bank along two sides and a bottom surface of groove.At collection rain rill 3
The bottom of groove is provided with metalling 5 and lays for water of satisfying, the top remaining space of collection rain rill 3 groove
Yellow sand layer 6, yellow sand floor 6 is arranged above turf district 7, and yellow sand provides for turf and supports, and turf is laid on collection
Rain rill 3 top is used for preventing rain drop erosion.
Retaining of domatic 8 rainwater in top is easy in the setting of collection rain platform 2, ensures slope structure simultaneously
Stable, make rainwater ooze the desalinization of soil by flooding or leaching under being easier to.The present invention have convenient and quick construction, effect substantially, make
The advantages such as valency is low, have good promotional value.
Below preferred embodiment to the invention is illustrated, but the invention is also
Being not limited to described embodiment, those of ordinary skill in the art are without prejudice to the invention spirit
Modification or the replacement of all equivalents, these equivalent modifications or replacement can also be made under premise all comprise
In the application claim limited range.
Claims (5)
1. a sloping field type salt-soda soil collection rain desalinization of soil by flooding or leaching system, it is characterised in that include being perpendicular to the domatic layout of draining
Collection rain platform (2) and the collection rain rill (3) that is positioned on collection rain platform (2), described collection rain rill (3)
In groove shapes, being positioned on collection rain platform (2), collection rain platform (2) side is bottom domatic (1),
Opposite side is top domatic (6)；Described rain platform (2) level height difference that integrates is as 1.0-10.0m, wide
Degree is 2.0-5.0m；Described collection rain rill (3) side and bottom surface are equipped with geotextiles (4), collect rain
Ditch (3) lower floor is equipped with metalling (5), and the upper strata of collection rain rill (3) is equipped with yellow sand layer (6),
Collection region, laying lawn, rain rill (3) top layer (7).
Sloping field type salt-soda soil the most according to claim 1 collection rain desalinization of soil by flooding or leaching system, it is characterised in that described
Collection rain rill (3) width is less than the width of collection rain platform (2), and the degree of depth of described collection rain rill (3) is
0.5-2.0m。
Sloping field type salt-soda soil the most according to claim 1 collection rain desalinization of soil by flooding or leaching system, it is characterised in that described
The thickness of metalling (5) is the 1/4～3/4 of whole collection rain rill (3) degree of depth.
Sloping field type salt-soda soil the most according to claim 3 collection rain desalinization of soil by flooding or leaching system, it is characterised in that metalling
(5) medium stone particle diameter is 10-100mm.
Sloping field type salt-soda soil the most according to claim 1 collection rain desalinization of soil by flooding or leaching system, it is characterised in that described
The thickness of yellow sand layer (6) is the 1/4～3/4 of whole collection rain rill (3) degree of depth.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610278465.2A CN105850261B (en) | 2016-04-28 | 2016-04-28 | A kind of sloping field type salt-soda soil collection rain desalinization of soil by flooding or leaching system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610278465.2A CN105850261B (en) | 2016-04-28 | 2016-04-28 | A kind of sloping field type salt-soda soil collection rain desalinization of soil by flooding or leaching system |
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| CN105850261A true CN105850261A (en) | 2016-08-17 |
| CN105850261B CN105850261B (en) | 2018-05-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106233845A (en) * | 2016-08-30 | 2016-12-21 | 江苏绿岩生态技术股份有限公司 | A kind of salt-soda soil phytoremediation structure and method thereof |
| CN110495277A (en) * | 2019-09-20 | 2019-11-26 | 上海应用技术大学 | A kind of construction method and its system of alkaline land soil Drainage of salt |
| CN110521504A (en) * | 2019-08-29 | 2019-12-03 | 中国科学院烟台海岸带研究所 | A kind of coastal saline-alkali hillside fields pasture planting method |
| CN111733928A (en) * | 2020-07-02 | 2020-10-02 | 李金良 | Construction method for transforming salinized land in seawater reverse flow region |
| CN113141804A (en) * | 2021-04-22 | 2021-07-23 | 天津泰达盐碱地绿化研究中心有限公司 | Method for improving rainfall leaching efficiency of coastal saline-alkali land by using garden waste |
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| CN203167652U (en) * | 2013-01-25 | 2013-09-04 | 天津滨海新区物源环境科技有限公司 | Greening and planting system for saline and alkaline land |
| WO2013191313A1 (en) * | 2012-06-19 | 2013-12-27 | Byeon Chanwoo | Ecologically sustainable multi-cell and multi-lane structured biotope system utilizing wetland, pond, and settling reservoir structures |
| CN104846912A (en) * | 2015-05-18 | 2015-08-19 | 西北师范大学 | Dune area water collection irrigation system |
| CN205694138U (en) * | 2016-04-28 | 2016-11-23 | 上海市环境工程设计科学研究院有限公司 | A kind of sloping field type salt-soda soil collection rain desalinization of soil by flooding or leaching system |
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2016
- 2016-04-28 CN CN201610278465.2A patent/CN105850261B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013191313A1 (en) * | 2012-06-19 | 2013-12-27 | Byeon Chanwoo | Ecologically sustainable multi-cell and multi-lane structured biotope system utilizing wetland, pond, and settling reservoir structures |
| CN203167652U (en) * | 2013-01-25 | 2013-09-04 | 天津滨海新区物源环境科技有限公司 | Greening and planting system for saline and alkaline land |
| CN104846912A (en) * | 2015-05-18 | 2015-08-19 | 西北师范大学 | Dune area water collection irrigation system |
| CN205694138U (en) * | 2016-04-28 | 2016-11-23 | 上海市环境工程设计科学研究院有限公司 | A kind of sloping field type salt-soda soil collection rain desalinization of soil by flooding or leaching system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106233845A (en) * | 2016-08-30 | 2016-12-21 | 江苏绿岩生态技术股份有限公司 | A kind of salt-soda soil phytoremediation structure and method thereof |
| CN106233845B (en) * | 2016-08-30 | 2018-07-13 | 江苏绿岩生态技术股份有限公司 | A kind of salt-soda soil phytoremediation structure and its method |
| CN110521504A (en) * | 2019-08-29 | 2019-12-03 | 中国科学院烟台海岸带研究所 | A kind of coastal saline-alkali hillside fields pasture planting method |
| CN110521504B (en) * | 2019-08-29 | 2022-01-04 | 中国科学院烟台海岸带研究所 | Method for planting pasture in coastal saline-alkali slope land |
| CN110495277A (en) * | 2019-09-20 | 2019-11-26 | 上海应用技术大学 | A kind of construction method and its system of alkaline land soil Drainage of salt |
| CN111733928A (en) * | 2020-07-02 | 2020-10-02 | 李金良 | Construction method for transforming salinized land in seawater reverse flow region |
| CN113141804A (en) * | 2021-04-22 | 2021-07-23 | 天津泰达盐碱地绿化研究中心有限公司 | Method for improving rainfall leaching efficiency of coastal saline-alkali land by using garden waste |
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| Publication number | Publication date |
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| CN105850261B (en) | 2018-05-04 |
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