CN102714940B - Flexible water-infiltrating desalting belt for treating saline and alkaline lands and application thereof - Google Patents

Flexible water-infiltrating desalting belt for treating saline and alkaline lands and application thereof Download PDF

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Publication number
CN102714940B
CN102714940B CN201210201913.0A CN201210201913A CN102714940B CN 102714940 B CN102714940 B CN 102714940B CN 201210201913 A CN201210201913 A CN 201210201913A CN 102714940 B CN102714940 B CN 102714940B
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bag
salt discharge
saline
desalting
infiltrating
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CN102714940A (en
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祁有祥
辜再元
王京燕
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Jiangsu lvzhiyuan Ecological Construction Co. Ltd.
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BEIJING BEILINLVYUAN ECOLOGY TECHNOLOGY RESEARCH INSTITUTE Co Ltd
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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

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  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)

Abstract

The invention provides a flexible water-infiltrating desalting belt for treating saline and alkaline lands. The flexible water-infiltrating desalting belt for treating the saline and alkaline lands is in the shape of a 'raft' type bag formed by more than one connected cell. Each cell is a mesh bag woven of nondegradable fabric. The flexible water-infiltrating desalting belt has the advantage of full-body infiltration and drainage and has high flexibility, and accordingly efficiency in water infiltrating and desalting is improved greatly, the common problem that a hidden pipe breaks, blocks or the like in drainage due to nonuniform deformation is solved substantially, long-term effect and long-acting infiltrating and desalting functions in treating saline and alkaline lands can be guaranteed effectively, and reliable technical basis and an application method for comprehensive treatment of the saline and alkaline lands are provided.

Description

For flexibility infiltration salt discharge band and the application thereof of Saline-alkali Field Control
Technical field
The invention belongs to ecology of alkali saline land environment remediation field, particularly a kind of simple and easy flexible apparatus of one that can play infiltration salt discharge effect.
Background technology
Drainage of salt is one of indispensable major measure of Saline-alkali Field Control, have followed the natural law of " salt comes with water, and salt goes with water ".Conventional drainage measure has gutter drainage, buried drain, drainage by shaft wells and biological drainage, and at alkaline land improving with utilize in project, the method adopting open drain, covered conduit and vertical shaft to combine, builds comprehensive drainage measure more.Particularly buried drain effectively avoids saline land barrier between different departments phenomenon, but laying establishment due to covered conduit need through multiple operations such as trench digging, bed course, pipe laying, anti-blocking, backfills, cause cost higher, and in actual use, because of the uneven modification in earth's surface, cause the phenomenons such as hidden pipe blocking, fracture to happen occasionally, cause whole function of drainage system impaired.For solving above-mentioned outstanding problem, the present invention proposes a kind of flexibility infiltration salt discharge band with anti-alluvial blocking function.
Summary of the invention
In order to solve the problem, the object of the present invention is to provide a kind of flexibility for Saline-alkali Field Control infiltration salt discharge band.
In order to realize the object of the invention, a kind of infiltration of the flexibility for Saline-alkali Field Control salt discharge band of the present invention, it is " bamboo raft " type bag be formed by connecting by the lattice room of more than 1, and described lattice room is the netted bag be made up of non-degradable fabric.
Preferably, described lattice room is 1-4 group, and each lattice room width is 7.85-15.7cm.More preferably, lattice room is 3 groups, and each lattice room width is 15.7cm.
Preferably, described " bamboo raft " type bag adopts whole block material to make, and bag is long is 3-5m.Described non-degradable fabric is PP type fibrous material, as one or more in PP type fiber, Fypro or nylon fibre.
Fill the volcanic rock of the mixing particle diameter of particle diameter 1-5cm, rubble or one or more in the building waste of the mixing particle diameter of cracking and sorting in described " bamboo raft " type bag bag; Be preferably the volcanic rock of the mixing particle diameter of 1-5cm; Filler accounts for the 85-95% of bag volume, is more preferably 90%; After filling, width is 5-40cm, and thickness is 5-10cm.
Another object of the present invention provides flexible infiltration salt discharge band and is administering the application in saline land.
Technical requirement, adopt machinery trench digging, width 40-50cm, degree of depth 40-60cm waiting to administer in saline land, bottom of trench longitudinal gradient is than 0.8-1%, and bottom of trench backfills after laying flexible infiltration salt discharge band.Cloth set direction and drain ditch vertical connection, spacing is 4-10m.Width is greater than to the plot of 20m, " people " font paving mode can be taked, permeate draining by centre to both sides.
Fig. 2 is conventional discharge closed drainage schematic cross-sectional view.Fig. 3 is that the present invention lays flexible infiltration salt discharge band schematic cross-sectional view.The laying step of conventional discharge hidden pipe is trench digging, sand bed is rebasing, lay drainpipe, body wraps up diafiltration material, sandstone filtrate, the backfilling of pipe canal of backfill 5-10cm.Compared with laying requirement with conventional discharge hidden pipe, the present invention decreases in operation that sand bed is rebasing, parcel diafiltration material, backfill sandstone filtrate, every mu of 450-700 unit of can reducing expenses, as packing material adopts the construction material through fragmentation screening, can reduce Master Cost further.Compared with permeating drainage pattern with conventional discharge hidden pipe, flexibility infiltration salt discharge band of the present invention has the function of entire body infiltration, draining, salt discharge, substantially increases infiltration salt discharge efficiency.
Flexibility infiltration salt discharge band of the present invention has the advantage of entire body infiltration draining, greatly improve infiltration salt discharge efficiency, and fundamentally solve, the FAQs such as closed drain fracture, blocking are caused because of the uneven modification in earth's surface, ensure the lasting stability of drainage system, effectively ensure that the long-term benefit of the comprehensive comprehensive regulation in saline land, varieties in saline-alkali areas afforestation effect and level can be improved simultaneously, for comprehensive regulation saline land provides reliable technical basis and practical method.
Accompanying drawing explanation
Fig. 1 is flexible infiltration salt discharge band structure schematic diagram.
Fig. 2 is that traditional Saline-alkali Field Control lays closed drainage schematic cross-sectional view.
Fig. 3 is that the present invention lays flexible infiltration salt discharge band schematic cross-sectional view, and wherein, middle 3 circular diagrams are the present invention's flexibility infiltration salt discharge band cross-sectional view.
Fig. 4 is that the present invention's flexibility infiltration salt discharge band single slope drainage lays schematic diagram.
Fig. 5 is that the present invention's flexibility infiltration salt discharge band " people " font double drainage lays schematic diagram.
In figure, 1 is flexible infiltration salt discharge band, and 2 be hidden pipe, and 3 bury ditch underground for hidden pipe, and 4 bury ditch underground for flexible infiltration salt discharge band, and 5 is drain ditch, and 6 is the flexible salt discharge band that seeps water of herringbone.
Embodiment
Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.Without departing from the spirit and substance of the case in the present invention, the amendment do the inventive method, step or condition or replacement, all belong to protection scope of the present invention.
If do not specialize, the conventional means that technological means used in embodiment is well known to those skilled in the art.
Embodiment 1
As shown in Figure 1, a kind of infiltration of the flexibility for Saline-alkali Field Control salt discharge band 1, employing high strength non-degradable woven polypropylene nitrile fibrous material TS10 is knitting forms " bamboo raft " type bag.
The long 4m of described " bamboo raft " type bag, is made up of 4 groups of lattice rooms; Each lattice room width is 15.7cm.
Described " bamboo raft " type bag adopts that whole block material is knitting forms.
In described " bamboo raft " type bag bag, packing material particle diameter is the mixing particle diameter volcanic rock of 3-5cm; Packing material volume accounts for 90% of bag volume, and after filling, width is 40cm, and thickness is 10cm.
Embodiment 2
For a flexibility infiltration salt discharge band for Saline-alkali Field Control, the braiding of high strength non-degradable fabric polyamide material is adopted to form " bamboo raft " type bag.
The long 3m of described " bamboo raft " type bag, is made up of 2 groups of lattice rooms; Each lattice room width is 7.85cm.
Described " bamboo raft " type bag adopts that whole block material is knitting forms.
The mixing Stone of particle diameter 2-3cm is filled in described " bamboo raft " type bag bag; Filler volume accounts for 85% of bag volume, and after filling, width is about 10cm, and thickness is about 5cm.
Embodiment 3
For a flexibility infiltration salt discharge band for Saline-alkali Field Control, employing high strength non-degradable woven polypropylene fiber material is knitting forms " bamboo raft " type bag.
The long 5m of described " bamboo raft " type bag, is made up of 3 groups of lattice rooms; Each lattice room width is 12cm.
Described " bamboo raft " type bag adopts that whole block material is knitting forms.
The building waste of the mixing particle diameter through cracking and sorting of particle diameter 3-5cm is filled in described " bamboo raft " type bag bag; Filler accounts for 90% of bag volume, and after filling, width is about 40cm, and thickness is about 10cm.
Embodiment 4
1, needing to ditch in the saline land administered, furrow width 40cm, degree of depth 40cm, long 20m, bottom of trench longitudinal gradient is than 0.8%, and ditch spacing is 4m.
2, bottom of trench lays flexible infiltration salt discharge band, and infiltration salt discharge band is made up of 3 groups of lattice rooms, and the flat width in single lattice room is 7.85cm, long 5m, and fill the mixing Stone of particle diameter 2-3cm in bag, filler volume accounts for 85% of bag volume.
3, the salt discharge band that seeps water takes overlapping mode to connect, and the lap of splice is 30cm.
4, adopt machinery backfill earth excavation, drainage belt is imbedded underground.
Adopt the present invention's flexibility infiltration salt discharge band to set up the dark heat-extraction system in saline land, decrease the operations such as sand bed needed for traditional hidden pipe is rebasing, body parcel diafiltration material, backfill sandstone filtrate, reduce material and labour cost.Drainage belt is laid quick, and the FAQs such as hidden pipe fracture, modification that can effectively prevent uneven modification from causing, the salt discharge band outer fabric that simultaneously seeps water has filtering function, has entire body infiltration salt discharge function, and efficiently solves traditional hidden pipe and easily to deposit the difficult problem of blocking.
Embodiment 5
1, needing to ditch in the saline land administered, furrow width 40cm, degree of depth 50cm, long 40m, adopt " people " font ditch type, by centre to drain ditch, both sides 5 draining, unidirectional bottom of trench longitudinal gradient is than 1%, and ditch spacing is 5m.See Fig. 4 and Fig. 5.
2, bottom of trench herringbone lays flexible infiltration salt discharge band 6, and infiltration salt discharge band is made up of 4 groups of lattice rooms, long 5m, and the flat width in single lattice room is 15.7cm, and fill the mixing particle diameter volcanic rock of particle diameter 3-5cm in bag, filler volume accounts for 90% of bag volume.
3, take overlapping overlapping mode to connect, the lap of splice is 30cm.
4, backfill earth excavation, drainage belt is imbedded underground.
This programme adopts Large stone material to fill infiltration salt discharge water-band, improves permeable salt discharge water usefulness, meanwhile, takes, by " people " font two-way infiltration salt discharge mode of centre to two lateral seepage salt discharges, effectively to maintain the infiltration salt discharge efficiency of drainage belt.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (6)

1., for a flexibility infiltration salt discharge band for Saline-alkali Field Control, it to be formed by connecting " bamboo raft " type bag by 1-4 group lattice room, and each lattice room width is 7.85-15.7cm; " bamboo raft " type bag is made up of whole block material, and bag is long is 3-5m; Described lattice room is the netted bag be made up of non-degradable fabric, is filled with filler in described " bamboo raft " type bag bag, and described filler is the mixing volcanic rock of particle diameter, rubble or one or more in the building waste of the mixing particle diameter of cracking and sorting; Described filler accounts for the 85-95% of bag volume, and after filling, bag width is 5-40cm, and thickness is 5-10cm.
2. flexible infiltration salt discharge band as claimed in claim 1, it is characterized in that, described lattice room is 3 groups, and each lattice room width is 15.7cm.
3. infiltration salt discharge band as claimed in claim 1 flexible, is characterized in that, described non-degradable fabric is one or both in PP type fiber or Fypro.
4. flexible infiltration salt discharge band as claimed in claim 3, it is characterized in that, described Fypro is nylon fibre.
5. flexible infiltration salt discharge band as claimed in claim 1, it is characterized in that, the particle diameter of described filler is 1-5cm.
6. described in claim 1-5 any one, the application in saline land administered by flexible infiltration salt discharge band.
CN201210201913.0A 2012-06-15 2012-06-15 Flexible water-infiltrating desalting belt for treating saline and alkaline lands and application thereof Active CN102714940B (en)

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CN104969830B (en) * 2015-07-10 2018-07-17 江苏省林业科学研究院 The saline and alkaline simple underdrain salt discharge afforestation technique in exceptionally poverty-stricken ground
CN106105451A (en) * 2016-07-15 2016-11-16 山东胜伟园林科技有限公司 A kind of alkaline land soil plate and maintaining method thereof
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
CN109121525A (en) * 2018-09-05 2019-01-04 昆明理工大学 A kind of dedicated improvement pipe drainage method of Radix Notoginseng

Citations (2)

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CN201928604U (en) * 2010-12-29 2011-08-17 济南大学 Device for treating saline land
CN202232063U (en) * 2011-09-20 2012-05-30 北京正和恒基滨水生态环境治理有限公司 Saline-alkali soil treatment system

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CN201095741Y (en) * 2007-08-29 2008-08-06 中交上海航道勘察设计研究院有限公司 Conjoined tubular filling bag
CN201995309U (en) * 2011-03-08 2011-10-05 内蒙古和信园蒙草抗旱绿化股份有限公司 Saline and alkaline discharge pipe for saline discharge and alkaline reduction on saline and alkaline land
CN202232242U (en) * 2011-09-30 2012-05-30 山东胜伟园林科技有限公司 Alkali removal greening device for salinization soil

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Publication number Priority date Publication date Assignee Title
CN201928604U (en) * 2010-12-29 2011-08-17 济南大学 Device for treating saline land
CN202232063U (en) * 2011-09-20 2012-05-30 北京正和恒基滨水生态环境治理有限公司 Saline-alkali soil treatment system

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Address after: No. 58-9, embroidery Creek Road, Wuxi City, Jiangsu, Jiangsu

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