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.
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.