CN202503890U - Water and soil improvement system of saline and alkaline land - Google Patents

Water and soil improvement system of saline and alkaline land Download PDF

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Publication number
CN202503890U
CN202503890U CN2012201728328U CN201220172832U CN202503890U CN 202503890 U CN202503890 U CN 202503890U CN 2012201728328 U CN2012201728328 U CN 2012201728328U CN 201220172832 U CN201220172832 U CN 201220172832U CN 202503890 U CN202503890 U CN 202503890U
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China
Prior art keywords
water
saline
soil
underground
alkaline land
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Expired - Fee Related
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CN2012201728328U
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Chinese (zh)
Inventor
郭艳东
陈茂荣
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FUJIAN LANDSCAPE ARCHITECTURE DEVELOPMENT CO LTD
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FUJIAN LANDSCAPE ARCHITECTURE DEVELOPMENT CO LTD
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Priority to CN2012201728328U priority Critical patent/CN202503890U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture

Abstract

The utility model relates to a soil improvement system, in particular to a water and soil improvement system of saline and alkaline land, and aims to provide a system, buried with underground pipes, for improving the saline and alkaline land aiming at the defects of the conventional saline and alkaline land improvement technology. The technical scheme is that the water and soil improvement system of the saline and alkaline land comprises the underground pipes, a filter layer and a planting soil layer which are distributed at underground various layers of the saline and alkaline land to be improved in sequence from bottom layer to upper layer; the underground pipes are provided with draining micropores; and the filter layer is made of one or more materials of ceramic aggregate, coarse sand and gravel. The water and soil improvement system has the beneficial effects that underground water quality can be effectively controlled, underground water with high salinity can be timely drained and a salt return phenomenon can be effectively prevented by an underground pipe saline and alkaline land improvement technology. The saline and alkaline land improvement technology can fulfill the aims of irrigation in case of drought, drainage in case of waterlogging, adjustable soil salinity and controllable water level under soil.

Description

A kind of saline land water and soil improved system
Technical field
The utility model relates to a kind of soil melioration system, is specifically related to a kind of saline land water and soil improved system.
Background technology
Ploughing to reduce has day by day become a global difficult problem, develop coastal beach, landlocked saline land, make full use of existing resource, be a good selection.China's arable area is limited, and all kinds of coastal beach ground has more than 8,000,000 mu approximately, and saline and alkaline is big because of salt content in thousand fens saline lands more than three, below 8/1000ths; By idle; Utilized reluctantly, by inadequate utilization, its output is also very low, economic benefit is very bad.
Traditional alkaline land improving technology comprises:
1. plant and plant salt tolerant alkali kind,, select adapted varieties, accomplish to fit kind rightly according to salinization and alkalization.
2. applying organic manure is improved the soil.Fertilizer can improve soil group ability structure, builds up fertility, and promotes the topsoil improvement, reduces salt content, to alleviate saline and alkaline negative effect.
3. rational tillage.Plough and to cross dark and carry out leveling, prevent the accumulation of salt in the surface soil, excavate the open drain simultaneously in order to draining and desalination.
4. adopt plastic film to intercept.Film laying under plow layer, landfill nonsaline-alkali soil intercept salinity and rise, and improve the soil.
5. the irrigation desalinization of soil by flooding or leaching.Spray the effect that reaches desalinization of soil by flooding or leaching desalination through irrigating.
Traditional alkaline land improving technology normally adopts measures such as open drain row's alkali, big hydraulic pressure alkali, raised fields row alkali to carry out.These measure ubiquities are big with the fresh water amount, cause water scarcity; The underground buck that contains divides the reverse osmosis phenomenon serious, in case lack of water fresh water pressure jar will cause soil salinization of soil once more, alkaline land improving is difficult to thoroughly.
The utility model content
The purpose of the utility model is to above-mentioned defective and combines traditional alkaline land improving technology, a kind of system that buries the improvement saline land of hidden pipe underground is provided.
The technical scheme of the utility model is for providing a kind of saline land water and soil improved system; Comprise hidden pipe; Filter course, the plantation soil layer is distributed in underground each layer of waiting to improve the saline land successively from the bottom to the upper strata, and said hidden pipe is provided with water-filtering micropore; Said filter course material therefor is a haydite, one or more in coarse sand or the rubble.
As the improvement of said system, said hidden pipe is inclined relative to horizontal setting.
As the improvement of said system, the thickness of said filter course is 15-30cm.
As the improvement of said system, said hidden pipe and horizontal plane are along water (flow) direction inclination 3 degree.
As the improvement of said system, said hidden pipe is distributed in the underground 80-120cm in saline land.
As the improvement of said system, said haydite, the particle diameter of coarse sand and rubble are 0.5-0.8cm.
As the improvement of said system, said filter course material therefor is the coarse sand of particle diameter 0.5cm, and the thickness of said filter course is 15cm.
The technique effect of the utility model is: the hidden pipe of the utility model changes saline and alkaline technology can effectively control groundwater quality, in time gets rid of the high underground water of salt content, effectively prevents accumulation of salt in the surface soil phenomenon.Below the saline land, bury hidden pipe underground, make the saline land irrigation, water drainage, remove and become silted up, administer saline and alkaline combining, accomplish the bright row of excess water, the hidden pipe salt discharge.And do not influence the comprehensive utilization in plot, practice thrift the soil.The utility model alkaline land improving technology can realize drought can irrigate, waterlog can arrange, soil salt is adjustable, the native time controlled target of water level.
Description of drawings
Fig. 1 is the structural representation of the utility model saline land water and soil improved system;
Fig. 2 is the hidden pipe cross-sectional direction structural representation of the utility model saline land water and soil improved system;
1, hidden pipe; 2, water-filtering micropore; 3, filter course; 4, plantation soil layer.
Embodiment
By the technology contents, the structural feature that specify the utility model, realized purpose and effect, know clearly below in conjunction with embodiment and conjunction with figs. and give explanation.
Haydite is to utilize all kinds of clays, slate, shale, gangue, and plurality of raw materials such as industrial solid castoff, forms through ceramic post sintering.Haydite sand has that density is low, insulation, impervious excellent, numerous advantages such as alkali resistant aggregate reaction property is excellent, water absorption rate is low, anti-freezing property and excellent in durability.Particularly haydite sand density is little, inner porous, and form, composition are than homogeneous, and certain intensity of tool and robustness, thereby have light weight, and be corrosion-resistant, freeze proof, antidetonation and good multifunctional characteristics such as isolated property.
Coarse sand is that sand boulderet grain content is not more than 25%, and particle diameter surpasses the sand of gross mass 50% greater than the content of 0.5cm.
See also Fig. 1, Fig. 2, the utility model is through certain excavating equipment, and base area block size subregion digs out some zanjons (being preferably the dark ditch of 100-120cm); And burying hidden pipe 1 underground with water-filtering micropore 2, the brackish water branch in the soil is introduced into hidden pipe, discharges soil; Use haydite, one or more in coarse sand or the rubble are laid on around the hidden pipe 1 and the surface, and laying depth is 15-30cm; Said hidden pipe 1, filter course 3, plantation soil layer 4 is distributed in underground each layer of waiting to improve the saline land successively from the bottom to the upper strata; Said hidden pipe 1 is provided with water-filtering micropore 2, and said filter course 3 material therefors are haydite, one or more in coarse sand or the rubble.Said filter course 3 is laid at hidden pipe 1 surface parcel, prevents that fine grained soil from getting into hidden pipe 1, and can accelerate to plant the infiltration of soil layer 4 soil.
In concrete embodiment, said hidden pipe diameter is 40-50cm, and said water-filtering micropore diameter is 0.3-0.5cm.
In concrete embodiment, said hidden pipe 1 tilts along water (flow) direction, specifically can be hidden pipe 1 and spends along water (flow) direction inclination 3 at horizontal plane.Be obliquely installed to help phreatic discharge.
The used haydite of the utility model in specific embodiment, the particle diameter of coarse sand and rubble is 0.5-0.8cm.
In specific embodiment, said filter course 3 material therefors are the coarse sand of particle diameter 0.5cm, and the thickness of said filter course 3 is 15cm.
The utility model realizes ditching, put pipe, dressing, construction work such as level land is once accomplished, with high mineral Hua Shui in the soil and the salt lease making infiltrates and the gravity flow effect imports drainage system, thus the effect of the physicochemical character of improving the soil.
The saline land water and soil improved system of the utility model has following effect: 1, high efficiency improves desalinization of soil by flooding or leaching desalting effect.Hidden pipe changes saline and alkaline technology can effectively control groundwater quality, in time gets rid of the high underground water of salt content, effectively prevents accumulation of salt in the surface soil phenomenon, and this method desalination improved, process is short, and it is fast that soil fertility is recovered, and effect is obvious.2, do not influence the comprehensive utilization in plot, practice thrift the soil.The saline and alkaline technology of hidden pipe is owing to be that buried underground hidden pipe replaces the open drain under plow layer, not land occupation area and do not influence overall planning and use.3, saving draining potentiality are big.The saline and alkaline technology that changes hidden pipe can realize drought can irrigate, waterlog can arrange, soil salt is adjustable, the native time controlled target of water level.Simultaneously with this technical application in saline and alkaline improvement, can overcome present alkaline land improving kind and generally adopt and add the method that the big flood flood irrigation is irrigate, effectively realize water saving.
The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.

Claims (7)

1. a saline land water and soil improved system is characterized in that, comprises hidden pipe; Filter course, the plantation soil layer is distributed in underground each layer of waiting to improve the saline land successively from the bottom to the upper strata, and said hidden pipe is provided with water-filtering micropore; Said filter course material therefor is a haydite, one or more in coarse sand or the rubble.
2. saline land according to claim 1 water and soil improved system is characterized in that said hidden pipe is inclined relative to horizontal setting.
3. saline land according to claim 1 water and soil improved system is characterized in that the thickness of said filter course is 15-30cm.
4. saline land according to claim 1 water and soil improved system is characterized in that, said hidden pipe and horizontal plane are along water (flow) direction inclination 3 degree.
5. saline land according to claim 1 water and soil improved system is characterized in that said hidden pipe is distributed in the underground 80-120cm in saline land.
6. saline land according to claim 1 water and soil improved system is characterized in that said haydite, the particle diameter of coarse sand and rubble are 0.5-0.8cm.
7. saline land according to claim 1 water and soil improved system is characterized in that said filter course material therefor is the coarse sand of particle diameter 0.5-0.8cm, and the thickness of said filter course is 15cm.
CN2012201728328U 2012-04-20 2012-04-20 Water and soil improvement system of saline and alkaline land Expired - Fee Related CN202503890U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012201728328U CN202503890U (en) 2012-04-20 2012-04-20 Water and soil improvement system of saline and alkaline land

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012201728328U CN202503890U (en) 2012-04-20 2012-04-20 Water and soil improvement system of saline and alkaline land

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CN202503890U true CN202503890U (en) 2012-10-31

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103329658A (en) * 2013-06-21 2013-10-02 河海大学 Sectional three-dimensional structure for fast desalting and soil improvement of saline-alkali soil of new tidal marsh reclamation area
CN103392456A (en) * 2013-03-20 2013-11-20 北京林业大学 Method for conducting afforestation on saline-alkali soil
CN103477745A (en) * 2013-09-23 2014-01-01 北京东方园林股份有限公司 Saline-alkali soil treatment method
CN106348488A (en) * 2016-08-29 2017-01-25 山东胜伟园林科技有限公司 Filtration device for embedded pipes in saline-alkali land
CN107466512A (en) * 2017-07-27 2017-12-15 内蒙古正唐环保产业有限公司 Using the structure and method in solid waste comprehensive regulation salt-soda soil
CN108419473A (en) * 2018-03-15 2018-08-21 浙江园冶生态建设有限公司 A kind of salt-soda soil Landscape Construction technology
CN108633367A (en) * 2018-04-23 2018-10-12 中国农业科学院农业环境与可持续发展研究所 A method of improvement salt-soda soil
CN111955088A (en) * 2020-07-28 2020-11-20 中国地质大学(武汉) System and technology for improving salinized soil based on capillary barrier

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103392456A (en) * 2013-03-20 2013-11-20 北京林业大学 Method for conducting afforestation on saline-alkali soil
CN103392456B (en) * 2013-03-20 2016-03-02 北京林业大学 A kind of method of afforesting on saline land
CN103329658A (en) * 2013-06-21 2013-10-02 河海大学 Sectional three-dimensional structure for fast desalting and soil improvement of saline-alkali soil of new tidal marsh reclamation area
CN103477745A (en) * 2013-09-23 2014-01-01 北京东方园林股份有限公司 Saline-alkali soil treatment method
CN103477745B (en) * 2013-09-23 2015-09-09 北京东方园林股份有限公司 A kind of saline-alkali soil treatment method
CN106348488A (en) * 2016-08-29 2017-01-25 山东胜伟园林科技有限公司 Filtration device for embedded pipes in saline-alkali land
CN107466512A (en) * 2017-07-27 2017-12-15 内蒙古正唐环保产业有限公司 Using the structure and method in solid waste comprehensive regulation salt-soda soil
CN108419473A (en) * 2018-03-15 2018-08-21 浙江园冶生态建设有限公司 A kind of salt-soda soil Landscape Construction technology
CN108633367A (en) * 2018-04-23 2018-10-12 中国农业科学院农业环境与可持续发展研究所 A method of improvement salt-soda soil
CN108633367B (en) * 2018-04-23 2020-05-08 中国农业科学院农业环境与可持续发展研究所 Method for improving saline-alkali soil
CN111955088A (en) * 2020-07-28 2020-11-20 中国地质大学(武汉) System and technology for improving salinized soil based on capillary barrier

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Legal Events

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C14 Grant of patent or utility model
GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Chen Rongmao

Inventor after: Liu Bixiang

Inventor before: Guo Yandong

Inventor before: Chen Maorong

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: GUO YANDONG CHEN MAORONG TO: CHEN RONGMAO LIU BIXIANG

C53 Correction of patent for invention or patent application
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121031

Termination date: 20160420