CN217724697U - A anti-filtering layer structure for sluicing subassembly - Google Patents
A anti-filtering layer structure for sluicing subassembly Download PDFInfo
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- CN217724697U CN217724697U CN202221926542.8U CN202221926542U CN217724697U CN 217724697 U CN217724697 U CN 217724697U CN 202221926542 U CN202221926542 U CN 202221926542U CN 217724697 U CN217724697 U CN 217724697U
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Abstract
The utility model discloses an inverted filter structure for a water drainage component, which comprises a plurality of filter layers, wherein the filter layers are sequentially sleeved together, the particle size of the filter material of the sleeved filter layers is sequentially increased from outside to inside, water enters a water inlet of the water drainage component at the innermost filter layer after being filtered by the filter layers, and the water inlet of the water drainage component is provided with a permeable layer capable of intercepting the filter material; the multi-layer filter layers are sleeved together in sequence, water flow still sequentially passes through the filter layers and then enters the water inlet, and the structure can avoid the arrangement of a water-impermeable layer or reduce the arrangement of the water-impermeable layer to increase the water permeable area.
Description
Technical Field
The utility model relates to an anti-filter, in particular to an anti-filter structure for sluicing subassembly.
Background
The anti-filter layer is a filter layer arranged near water inlets such as a water outlet of a retaining wall or a water interception ditch upstream water outlet, and plays a role in filtering soil and draining water, the general anti-filter layer structure comprises a plurality of filter layers which are arranged in an array along the extending direction of the water inlets, water enters the water outlet from the water inlets after being filtered by the plurality of filter layers, each filter layer of the general anti-filter layer structure is in a cube shape, the rest sides of each filter layer except the opposite two sides of the water flow direction are sealed by impermeable layers, the particle sizes of the filter materials of the plurality of filter layers are sequentially arranged from small to large along the water flow direction, the filter materials of each filter layer cannot be brought into the adjacent filter layers by the water flow, meanwhile, a permeable geotextile is arranged at the water inlet of the water outlet to intercept the filter materials to prevent the filter materials from entering the water outlet, wherein the filter materials are gravels or gravels and the like.
It can know generally that the anti-filter layer structure intakes can only be followed the relative side of water inlet and advanced, and the area of permeating water is little promptly for the intake face, sluices and can not satisfy the requirement and damage retaining wall, catch the ditch easily and lead to the ground to subside when the condition such as torrential rain appears, and the anti-filter layer can produce the displacement and break away from the outlet and then can not play the effect of filtration soil along with the ground subsides.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an anti-filtering layer structure for sluicing subassembly solves the current problem that anti-filtering layer structure area of permeating water is little.
The utility model aims at realizing through the following technical scheme:
the utility model provides a reverse filter layer structure for sluicing subassembly, includes the multilayer filter layer, and the multilayer filter layer suit is in the same place in proper order, and the multilayer filter layer filter material particle diameter that the suit is in the same place increases in proper order from outside to inside, and water gets into the water inlet of sluicing subassembly in inlayer filter layer department after the multilayer filter layer filters, and sluicing subassembly water inlet is equipped with the permeable stratum that can intercept the filter material.
Furthermore, the rest of the filter layers except the innermost filter layer are in a hollow sleeve shape, the innermost filter layer is in a hollow sleeve shape or a solid structure, and the water inlet of the water drainage component is positioned in the hollow sleeve-shaped innermost filter layer or positioned on one side of the solid structure innermost filter layer.
Further, the hollow sleeve-shaped filter layer is closed, and a hole for the water drainage component to pass through is formed in the closed hollow sleeve-shaped filter layer.
Further, the hollow sleeve-shaped filter layer is spherical or square.
Further, the hollow sleeve-shaped filter layer is of a long and thin structure, the water drainage component comprises a water drainage pipe arranged along the length direction of the hollow sleeve-shaped filter layer with the long and thin structure, and a plurality of water inlets are formed in the surface of the water drainage pipe.
Furthermore, one side of the hollow sleeve-shaped filter layer is opened, and the opening side is attached to the bearing structure of the drainage component.
Further, the hollow sleeve-shaped filter layer is in a hemispherical shape or a square shape with one side opened.
Furthermore, one side surface, the top surface and the bottom surface of the hollow sleeve-shaped filter layer are both provided with openings, the opened side surfaces are attached to the water drainage component bearing structure, and the top surfaces and the bottom surfaces of the filter materials of the filter layer are sealed by impermeable layers.
Further, the hollow sleeve-shaped filter layer is a semi-cylindrical shape or a straight prism shape with an open side.
And furthermore, the filter layer is formed by intercepting a filter material by a filter screen, the filter screen is fixed on a framework, and the framework is fixed on a water drainage component bearing structure.
The utility model has the advantages that:
the utility model discloses an anti-filtering layer structure for sluicing subassembly, multilayer filter layer complete set including in proper order the suit together, rivers still get into the water inlet behind each filter layer in proper order, this structure can avoid setting up of imperviousness layer or reducing setting up of imperviousness layer and increased the area of permeating water, and further filter layer is formed by filter screen interception filter material, and the filter screen passes through the skeleton to be fixed on sluicing subassembly bearing structure, and when the ground subsided, anti-filtering layer structure can not shift and can guarantee that the function of filter soil drainage is unchangeable.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the present invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.
Drawings
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:
fig. 1 is a perspective view of the hollow sleeve-shaped filter layer of the present invention in a spherical shape.
Fig. 2 is a cross-sectional view of the hollow sleeve-shaped filter layer of the present invention in a spherical shape.
Fig. 3 is a perspective view of the hollow sleeve-shaped filter layer of the present invention having a slender structure.
Fig. 4 is a sectional view of the hollow sleeve-shaped filter layer of the present invention with a slender structure.
Fig. 5 is a hemispherical perspective view of the hollow sleeve-shaped filter layer of the present invention.
Fig. 6 is a perspective view of the square hollow sleeve-shaped filter layer of the present invention with one side open.
Fig. 7 is a semi-cylindrical perspective view of the hollow sleeve-shaped filter layer of the present invention with a side surface and top and bottom surfaces open.
Fig. 8 is a perspective view of the hollow sleeve-shaped filter layer of the present invention in a shape of a right prism with an open side surface and open top and bottom surfaces.
Fig. 9 is a schematic view of the arrangement of the filter screen in fig. 7.
Fig. 10 is a schematic structural view of the filter screen in fig. 7 fixed on the framework.
Fig. 11 is a longitudinal sectional view of the use state of fig. 7.
Fig. 12 is an enlarged view of a portion a of fig. 11.
Fig. 13 is a transverse cross-sectional view of fig. 11 with the impermeable layer removed at the top and bottom.
Fig. 14 is a transverse sectional view at the middle of fig. 11.
In the figure: filter layer 1, sluicing subassembly 2, outlet pipe 21, permeable stratum 3, impervious barrier 4, filter screen 5, skeleton 6, load-bearing structure 7.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are presented for purposes of illustration only and are not intended to limit the scope of the present disclosure.
Example one
As shown in fig. 1-2 and 11, a reversed filter layer structure for a water drainage component comprises a plurality of filter layers 1, wherein the filter layers 1 are sequentially sleeved together, the particle sizes of filter materials of the filter layers 1 sleeved together are sequentially increased from outside to inside, water enters a water inlet of the water drainage component 2 at the innermost filter layer 1 after being filtered by the filter layers 1, and a permeable layer 3 capable of intercepting the filter materials is arranged at the water inlet of the water drainage component 2.
The inverted filter layer structure is mainly used at the water inlet of a water drainage hole of a road filling retaining wall or a water drainage hole on the upstream face of a cut-off ditch.
The water drainage component 2 is a water drainage hole or a water drainage pipe.
The permeable layer 3 is non-woven geotextile.
Preferably, the reverse filtering layer structure comprises three filtering layers, wherein the filtering material grain diameters of the three filtering layers are a fine sand layer, a medium sand layer and a coarse sand layer from outside to inside in sequence, and the grain diameters of the fine sand layer, the medium sand layer and the coarse sand layer are selected according to the highway engineering geological survey standard.
The greatest difference between the inverted filter structure and the existing general inverted filter structure is that the inverted filter structure has no impermeable layer or only a small part of impermeable layer, the water inlet surface of the inverted filter structure is very large, namely the permeable area is large, and the drainage effect is very good under special conditions such as rainstorm and the like.
The rest of the filter layers 1 except the innermost filter layer 1 are all in a hollow sleeve shape, the innermost filter layer 1 is in a hollow sleeve shape or a solid structure, and a water inlet of the water drainage component 2 is positioned in the hollow sleeve-shaped innermost filter layer 1 or positioned on one side of the solid-structure innermost filter layer 1.
The hollow sleeve-shaped filter layer 1 is closed, and a hole for the drainage component 2 to pass through is arranged on the closed hollow sleeve-shaped filter layer 1.
The hollow sleeve-shaped filter layer 1 is spherical (as shown in figures 1 and 2) or square, the drainage component 2 is a drainage pipe, the drainage pipe extends into the center of the spherical or square hollow sleeve-shaped filter layer, and at the moment, water can enter the reverse filter layer structure from any direction, is filtered by each filter layer and is discharged by the drainage pipe.
The hollow sleeve-shaped filter layer 1 is of a horizontally arranged long and thin structure (as shown in fig. 3 and 4), the water drainage component 2 comprises a water drainage pipe 21 arranged along the length direction of the hollow sleeve-shaped filter layer 1 with the long and thin structure, a plurality of water inlets are formed in the surface of the water drainage pipe 21, the surface of the water drainage pipe 21 is coated with permeable geotextile, and the water permeable area of the inverted filter layer structure can be further increased.
Example two
The opening is pasted on the bearing structure 7 of sluicing subassembly 2 to 1 side opening of cavity cover form filter layer, opening side, and bearing structure 7 is retaining wall or cut-off ditch upstream face, and here sluicing subassembly 2 is the outlet of setting on retaining wall or cut-off ditch upstream face, and the outlet water inlet is just to 1 opening side middle part of cavity cover form filter layer, and this inverted filter layer structure inlayer filter layer is solid construction.
The hollow sleeve-shaped filter layer 1 is of a hemispherical shape (as shown in fig. 5) or a cube shape with one side open (as shown in fig. 6).
EXAMPLE III
The hollow sleeve-shaped filter layer 1 is provided with openings on one side surface and the top surface and the bottom surface, the side surface of the opening is attached to a bearing structure 7 of the water drainage component 2, the top surfaces and the bottom surfaces of filter materials of all the filter layers 1 are sealed by a watertight layer 4, the bearing structure 7 is a retaining wall or a cut-off ditch upstream surface, the water drainage component 2 is a water drainage hole arranged on the retaining wall or the cut-off ditch upstream surface, a water inlet of the water drainage hole is over against the middle of the bottom of the hollow sleeve-shaped filter layer, the bottom surface of the filter layer is consistent with the elevation of the bottom of the water drainage hole, and the innermost filter layer of the inverted filter layer structure is of a solid structure.
The impervious layer 4 is a polyurethane board.
The hollow sleeve-shaped filter layer 1 is in the shape of a straight prism with an open side (as shown in fig. 8).
As shown in fig. 7 and 9 to 14, the hollow sleeve-like filter layer 1 has a semi-cylindrical shape.
The filter layer 1 is formed by intercepting filter materials by a filter screen 5, the filter screen 5 is fixed on a framework 6, and the framework 6 is fixed on a bearing structure 7 of the water drainage component 2.
The filter screen 5 is an antirust steel wire mesh, and the framework 6 is a steel reinforcement framework.
The rust-proof steel wire mesh ensures that the filter layers are not influenced mutually.
And the polyurethane plate, the antirust steel wire mesh and the steel reinforcement framework are bound and connected.
The framework of steel reinforcement is located the outmost of inverted filter structure, and as inverted filter structure's fixed skeleton, makes it by pre-buried fixed to the retaining wall through extension framework of steel reinforcement reinforcing bar, adopts the ligature connection between framework of steel reinforcement and the rust-resistant steel wire net, and framework of steel reinforcement has increased inverted filter structure's stability.
The steel bar framework comprises steel bar meshes positioned on the top surface and the bottom surface and ring bars positioned in the middle, the steel bar meshes on the top surface, the ring bars and the steel bar meshes on the bottom surface are connected through vertical bar welding, and the steel bar framework can effectively resist soil pressure and can avoid deformation of a reverse filter layer structure.
The steel wire mesh on the outermost side of the inverted filter layer structure can prevent sundries from entering the filter layer and affecting the water permeability of the filter layer.
The inverted filter structure is fixed by the steel reinforcement framework on the water drainage component 2 bearing structure 7 and has good support stability, after the foundation subsides, the inverted filter structure can not produce the displacement and break away from the water inlet, and the high-pressure squirt back flushing inverted filter structure is convenient for use in the water drainage component simultaneously to resume its efficiency.
A method for realizing an inverted filter structure for a drainage assembly (the filter layer of the inverted filter structure is a semi-cylindrical hollow sleeve shape, and the drainage assembly 2 is a drainage hole arranged on a retaining wall):
a. calculating and determining the size of a retaining wall inverted filter layer structure according to the catchment area, and determining the diameter of a steel bar framework according to the soil pressure and the self weight of the inverted filter layer structure;
b. welding a steel bar framework, arranging a waterproof polyurethane plate and an antirust steel wire mesh at the bottom of the framework, and binding the waterproof polyurethane plate and the antirust steel wire mesh with the framework;
c. embedding and fixing a steel bar framework on a retaining wall through an elongated steel bar;
d. filling filler behind the backfilled retaining wall to the bottom of the designed inverted filter layer structure, and sequentially backfilling the filter material between adjacent steel wire meshes of the steel reinforcement framework from thick to thin;
e. and installing an impermeable polyurethane plate at the top of the steel reinforcement framework, and then continuously backfilling the filler.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (10)
1. The utility model provides an inverted filter structure for sluicing subassembly which characterized in that: including multilayer filter layer (1), multilayer filter layer (1) suit is in the same place in proper order, and multilayer filter layer (1) filter material particle diameter that the suit is in the same place increases from outside to inside in proper order, and water gets into the water inlet of sluicing subassembly (2) in inlayer filter layer (1) department after multilayer filter layer (1) filters, and sluicing subassembly (2) water inlet is equipped with permeable stratum (3) that can intercept the filter material.
2. The inverted filter structure for a drain assembly of claim 1, wherein: the rest of the filter layers (1) except the innermost filter layer (1) are in a hollow sleeve shape, the innermost filter layer (1) is in a hollow sleeve shape or a solid structure, and a water inlet of the water drainage component (2) is positioned in the hollow sleeve-shaped innermost filter layer (1) or positioned on one side of the solid-structured innermost filter layer (1).
3. The inverted filter structure for a drain assembly as set forth in claim 2, wherein: the hollow sleeve-shaped filter layer (1) is closed, and a hole for the drainage component (2) to pass through is arranged on the closed hollow sleeve-shaped filter layer (1).
4. A reverse filter structure for a drainage assembly as claimed in claim 3, wherein: the hollow sleeve-shaped filter layer (1) is spherical or square.
5. A reverse filter structure for a drainage assembly as claimed in claim 3, wherein: the hollow sleeve-shaped filter layer (1) is of a long and thin structure, the water drain component (2) comprises a water drain pipe (21) arranged along the length direction of the hollow sleeve-shaped filter layer (1) of the long and thin structure, and a plurality of water inlets are formed in the surface of the water drain pipe (21).
6. The inverted filter structure for a drain assembly as set forth in claim 2, wherein: one side of the hollow sleeve-shaped filter layer (1) is opened, and the opening side is attached to the bearing structure (7) of the drainage component (2).
7. The inverted filter structure for a water drainage assembly as claimed in claim 6, wherein: the hollow sleeve-shaped filter layer (1) is in a hemispherical shape or a square shape with one side opened.
8. The inverted filter structure for a water drainage assembly as claimed in claim 2, wherein: one side surface, the top surface and the bottom surface of the hollow sleeve-shaped filter layer (1) are both provided with openings, the side surface of each opening is attached to the bearing structure (7) of the water drainage component (2), and the top surfaces and the bottom surfaces of filter materials of all the filter layers (1) are sealed by the waterproof layers (4).
9. The inverted filter structure for a water drainage assembly as claimed in claim 8, wherein: the hollow sleeve-shaped filter layer (1) is in a semi-cylindrical shape or a straight prism shape with an opening on one side surface.
10. A reverse filter structure for a drainage assembly according to any of claims 1 to 9, wherein: the filter layer (1) is formed by intercepting a filter material by a filter screen (5), the filter screen (5) is fixed on a framework (6), and the framework (6) is fixed on a bearing structure (7) of the water drainage component (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221926542.8U CN217724697U (en) | 2022-07-25 | 2022-07-25 | A anti-filtering layer structure for sluicing subassembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221926542.8U CN217724697U (en) | 2022-07-25 | 2022-07-25 | A anti-filtering layer structure for sluicing subassembly |
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| Publication Number | Publication Date |
|---|---|
| CN217724697U true CN217724697U (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221926542.8U Active CN217724697U (en) | 2022-07-25 | 2022-07-25 | A anti-filtering layer structure for sluicing subassembly |
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| CN (1) | CN217724697U (en) |
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- 2022-07-25 CN CN202221926542.8U patent/CN217724697U/en active Active
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