CN217870874U

CN217870874U - Environment-friendly gutter inlet

Info

Publication number: CN217870874U
Application number: CN202221846805.4U
Authority: CN
Inventors: 司启; 张奎; 孙成刚; 彭爱龙
Original assignee: Jiangsu Yajing Rainwater Utilization Technology Co ltd
Current assignee: Jiangsu Yajing Rainwater Utilization Technology Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-18
Publication date: 2022-11-22
Anticipated expiration: 2032-07-18

Abstract

The invention provides an environment-friendly gutter inlet which is used for filtering pollutants in rainwater and comprises a shell and a hanging basket, wherein the shell is of a box-shaped structure and is formed by enclosing four side plates and a bottom plate, and the top ends of the side plates are provided with convex edges for mounting the shell in a rainwater trap; the hanging basket is embedded in the upper part of the shell, a first water filtering hole is formed in the inner wall of the hanging basket, and a second water filtering hole is formed in a side plate on the upper part of the shell; the bottom of the shell is used as a sludge settling area, and a side plate at the bottom of the shell is provided with a third water filtering hole. The invention can be used in new projects, can also be directly used for the reconstruction of the existing vertical grate type gully, has larger water passing area and drainage capacity, is easy to manufacture and install, and meets the construction requirements of sponge cities.

Description

Environment-friendly gutter inlet

Technical Field

The invention relates to a rainwater trap component with a sewage intercepting function, in particular to an environment-friendly rainwater inlet.

Background

In the early stage of rainfall, rainwater dissolves polluting gases in the air, falls to the ground and forms surface runoff with the thickness of about 15mm on the ground, and scouring roofs, asphalt concrete roads and the like can bring a large amount of pollutants, so the pollution degree of the rainwater in the early stage is higher, and if the rainwater is directly discharged into a river channel through a rainwater pipe, the rainwater can bring great pollution to natural water.

The rainwater trap is used as the foremost structure of a drainage system for receiving rainwater, and the rainwater pollution condition can be improved by adding a sewage interception design. Facilities for collecting surface water as a pipeline drainage system are divided into a flat grate type, a vertical grate type and a combined type. Generally, the device should be arranged at the intersection, the lowest point of the road surface and the road curb stone at certain intervals. The drainage quantity of the rainwater trap is the key of the urban road pavement drainage design, and simultaneously, the drainage quantity of the rainwater trap also has important influence on the safety of a road surface structure.

The promotion of sponge urban construction is an effective means for relieving urban waterlogging and water resource shortage, changes the rainwater management mode which is mainly discharged outside in the past, and retains the rainwater and adheres to the principle of seepage, stagnation, storage, purification, use and discharge, namely, the rainwater is firstly stored, purified, infiltrated and recycled in a sponge facility, more than 70 percent of the rainwater is locally absorbed, and the rainwater discharged into municipal rainwater pipelines is reduced. The gutter inlet is used as an important facility for collecting surface runoff of a municipal drainage system, improves the designed water drainage capacity and the initial pollution interception and treatment capacity, and has great significance.

The treatment of initial rainwater is mainly started from the following three aspects: and (1) reducing the source and treating in situ. Distributed incipient treatment facilities are used so that the stormwater is treated before entering the piping system. And (2) collecting, regulating and storing. The rainwater is collected by building a rainwater storage facility and utilizing the storage capacity of a pipeline system, and the rainwater enters a sewage treatment plant for treatment after the rainy season passes. And (3) strengthening maintenance management. The initial rainwater treatment facility has special maintenance, and the enhancement of the maintenance management of the initial rainwater treatment facility is an important guarantee for the effect of the facility.

Based on the research work, the product of the invention aims to solve the problem of initial rainwater pollutants; a rainwater trap implanter with a brand-new structure is designed according to specifications such as ' gutter inlet ' (16S 518) atlas, ' outdoor drainage design specification ' (GB 50014-2006) (2016 edition), ' water supply and drainage engineering structure design specification ' (GB 50069-2002), ' water supply and drainage engineering pipeline structure design specification ' (GB 50332-2002), ' water supply and drainage engineering construction and acceptance specification (GB 50268-2008) and ' water supply and drainage structure construction and acceptance specification ' (GB 50141-2008) and the like, so that the rainwater trap implanter ensures the water passing capacity and improves the sewage interception performance.

Disclosure of Invention

The purpose of the invention is as follows: in order to reduce initial rainwater pollutants at the source and meet the requirement of sponge city construction, the invention designs an environment-friendly gutter inlet with a novel structure.

The technical scheme is as follows: in order to solve the technical problem, the environment-friendly gutter inlet provided by the invention is used for filtering pollutants in rainwater and comprises a shell and a hanging basket;

the shell is of a box-shaped structure and is formed by enclosing four side plates and a bottom plate, the top end of each side plate is provided with an outward convex edge, and the edges are used for installing the shell in a rainwater trap;

the hanging basket is embedded in the upper part of the shell, a first water filtering hole is formed in the inner wall of the hanging basket, and a second water filtering hole is formed in a side plate on the upper part of the shell;

the bottom of the shell is used as a mud settling area, and a side plate at the bottom of the shell is provided with a third water filtering hole.

And a filter brick is arranged in the mud settling area, and the filter brick is of a structure vertically arranged along a side plate of the mud settling area and is tightly attached to the third water filtering hole. And a multi-filtering structure which is arranged up and down is adopted to filter the entering rainwater for multiple times.

From overall structure intensity, material and manufacturing cost optimal design, casing and hanging the basket all adopt sheet metal punching a hole bending weld forming's integral structure. The metal plate can be made of corrosion-resistant stainless steel plates and aluminum alloy plates or cheaper steel plates, and the surface of the metal plate is coated with antirust coatings such as plastic spraying and the like.

The preferred trapezoidal body that hangs the basket shape, its open-top is the great rectangle of trapezoidal body area, hangs the basket diapire and is the less rectangle of trapezoidal body area, first drainage hole arranges at the long limit place of rectangle hang the basket lateral wall and hang the basket diapire.

The shape of the shell is preferably a trapezoid, the top opening of the shell is a rectangle with a larger trapezoid area, and the bottom plate is a rectangle with a smaller trapezoid area. The shapes of the shell and the hanging basket can also adopt cuboids.

Flanges are arranged on two sides of the hanging basket, and ribs for hanging the flanges are arranged on the inner wall of the shell. The flange is preferably a long strip-shaped edge with two long sides bent by 90 degrees, and has better structural strength. The convex rib can be formed by welding a strip-shaped L-shaped metal strip on the long side of the side wall of the shell close to the inner side of the top end or directly punching and protruding inwards. The handles are arranged at the two ends of the hanging basket, punching forming is directly adopted, a rubber guard ring can be added, and the hanging basket can be conveniently taken out at regular intervals for maintenance.

And raised clamping grooves are arranged on the bottom plate of the shell and used for fixing the filter bricks. Also welded metal strips or stamped protrusions may be used.

First drainage hole is the bar hole of vertical interval arrangement, the second drainage hole is the bar hole of horizontal array arrangement, and preferred triplex row is listed as, the third drainage hole is the bar hole of vertical interval arrangement, and so first drainage hole forms vertically and horizontally staggered's mode with the second drainage hole, has both furthest kept the structural strength of casing with hang the basket, possesses better filter effect again.

The cross section of the shell is preferably rectangular, the second water filtering hole and the third water filtering hole are both arranged on the side plate of the long side of the rectangle, and the top of the side plate of the short side of the rectangle is provided with a pipe hole. Correspondingly, the hanging basket is also a cuboid structure, and the first water filtering holes are arranged on the side wall and the bottom wall of the long edge of the cuboid.

The invention principle is as follows: the casing possesses great capacity and crosses the water area, and the first drainage hole of hanging the basket is done first filtration to the rainwater that gets into the rainwater trap, uses the second drainage hole to do the second to hanging the basket and filter to the rainwater of discharge all around.

The filtering structure formed by the filter bricks and the third water filtering holes is used for settling and filtering the rainwater downwards discharged into the mud settling area by the hanging basket.

When light rain and initial rainwater enter the rainwater inlet, the rainwater enters the bottom sediment zone through the third water filtering holes in the bottom of the hanging basket, is mainly subjected to fine filtration and sedimentation by virtue of filter bricks, and is discharged into a pipeline through the third water filtering holes.

During heavy rain, the water level of the bottom mud deposition area rises, rainwater is discharged mainly through the first water filtering holes in the two sides of the hanging basket and the second water filtering holes in the shell in a criss-cross mode, so that large pollutants such as leaves and sundries in rainwater can be intercepted mainly, pipeline blockage can be effectively avoided, and rainwater drainage capacity is improved.

Has the beneficial effects that: the invention can be used in new projects, can also be directly used in the implanter for transforming the existing vertical grate type gutter inlet, has larger water passing area and drainage capacity, has simple integral structure, smooth surface, difficult siltation and blockage, is easy to manufacture and install, and adapts to the construction requirements of sponge cities. Different from the existing sewage interception type gutter inlet, the novel sewage interception type gutter inlet can meet certain requirements for the development of future urbanization, can be called as an environment-friendly intelligent gutter inlet, and has the advantages of high strength, high removal rate and the like; the raw materials for preparing the product are common, the operation is simple, and the convenient production condition is realized on the basis of meeting a certain standard.

Drawings

FIG. 1 is a schematic perspective view of an environment-friendly gully according to an embodiment of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 isbase:Sub>A cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a schematic view illustrating an assembly structure of an environment-friendly gully according to an embodiment of the present invention;

FIG. 5 is a schematic view of an internal structure of an environment-friendly gully according to an embodiment of the present invention;

fig. 6 is a partially enlarged schematic view at B in fig. 3.

Reference numerals: the water filter comprises a shell 1, a hanging basket 2, a rim 3, a first water filtering hole 4, a second water filtering hole 5, a third water filtering hole 6, filter bricks 7, a flange 8, a convex rib 9, a clamping groove 10 and a handle 11.

Detailed Description

Example (b):

the environment-friendly gutter inlet of this embodiment is as shown in fig. 1-6, and is formed by the assembly of casing 1, string basket 2 and filter brick 7 triplex, and wherein, casing 1 adopts four trapezoidal curb plates and a rectangle bottom plate to enclose synthetic trapezoidal body structure, also can adopt four rectangle curb plates and a rectangle bottom plate to enclose synthetic cuboid structure. The top of the shell 1 is provided with a circle of outward convex edges 3 which are used for installing (hanging) the shell in the mouth of the rain trap as a sewage intercepting liner/implant device of the rain trap.

Hang basket 2's shape is the trapezoidal body, and its open-top is the great rectangle of trapezoidal body area, and both ends have handle 11, and the diapire is the less rectangle of trapezoidal body area, and first drainage hole 4 adopts the bar hole of vertical interval arrangement, arranges at the lateral wall and the diapire at the long limit place of rectangle. The top end of the hanging basket is bent 90 degrees along two sides of the long side of the rectangle to form a long strip-shaped flange 8, a strip-shaped L metal strip is welded on the inner side, close to the top end, of the long side of the side wall of the shell 1 to form a convex edge 9, and the flange 8 is in lap joint with the convex edge 9.

Casing 1 sets up the second drainage hole 5 that corresponds with first drainage hole 4 around basket 2 is hung in the installation, and second drainage hole 5 is the three lines two strip holes that horizontal array arranged, and first drainage hole 4 forms vertically and horizontally staggered's overall arrangement with second drainage hole 5 promptly, has guaranteed the structural strength of casing with hang the basket, reaches better filter effect simultaneously.

In the mud sedimentation area of the shell 1, a raised clamping groove 10 is arranged on the bottom plate, a structure of welding metal strips is adopted, and the filter brick 7 is clamped between the third water filtering hole 6 and the clamping groove 10 on the side wall when the filter brick is installed.

Circular pipe holes can be further arranged at two ends of the top of the shell 1 and used for lateral drainage, and when a plurality of environment-friendly rainwater openings are continuously arranged in a row, the pipe holes of adjacent shells and the holes of the handles 11 form a through overflow/drainage channel.

When in use, the rainwater of surface runoff enters through the rainwater grate. When rainfall increases, rising water level can't reach the rainwater of filtration treatment, through vertically and horizontally staggered hang basket both sides first drainage hole and casing second drainage hole discharge to block big pollutants such as leaf debris in the rainwater and give first place to, can effectively avoid the pipeline to block up, improve rainwater drainage ability.

The filter brick is used for intercepting pollutants, and brick type filtering material mainly relies on the hole between the granular material to intercept suspended impurities, and can also remove COD, TN and TP partially in coordination when intercepting suspended impurities. When the suspended solid concentration is higher, the pores between the filter bricks are intercepted on the surface of the filter material due to the SS, and form better grain size grading with the filter material, thereby forming better removal capability. The porosity of the granular material has better water permeability and can also intercept a certain proportion of suspended matters.

The particular features, structures, materials, or characteristics described in connection with the embodiments or examples are included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims

1. The utility model provides an environment-friendly inlet for a stom water for filter the pollutant in the rainwater, its characterized in that: comprises a shell and a hanging basket;

2. The environment-friendly gutter inlet according to claim 1, wherein: the filter brick is vertically arranged along a side plate of the sludge settling zone and is tightly attached to the third water filtering hole.

3. The environment-friendly gutter inlet according to claim 1, wherein: the shell is provided with an integrated structure formed by punching, bending and welding metal plates, and the hanging basket is provided with an integrated structure formed by punching, bending and welding metal plates.

4. The environment-friendly gutter inlet according to claim 1, wherein: flanges are arranged on two sides of the hanging basket, the inner wall of the shell is provided with a convex edge used for hanging the flanges, and handles are arranged at two ends of the hanging basket.

5. The environment-friendly gutter inlet according to claim 1, wherein: the shell is in a trapezoidal shape, the top opening of the shell is in a rectangle with a larger area of the trapezoidal body, and the bottom plate is in a rectangle with a smaller area of the trapezoidal body.

6. The environment-friendly gutter inlet according to claim 1, wherein: the hanging basket is in a trapezoidal shape, the top opening of the hanging basket is a rectangle with a large trapezoidal area, the bottom wall of the hanging basket is a rectangle with a small trapezoidal area, and the first water filtering holes are arranged on the side wall of the hanging basket and the bottom wall of the hanging basket at the long side of the rectangle.

7. The environment-friendly gutter inlet according to claim 2, wherein: the bottom plate is provided with a raised clamping groove used for fixing the filter brick.

8. The environment-friendly gutter inlet according to claim 1, wherein: the cross section of the shell is rectangular, the second water filtering holes and the third water filtering holes are uniformly arranged on the side plates on the long sides of the rectangle, and the tops of the side plates on the short sides of the rectangle are provided with pipe holes.

9. The environment-friendly gutter inlet according to claim 1, wherein: the first water filtering holes are strip-shaped holes arranged at intervals longitudinally, the second water filtering holes are strip-shaped holes arranged in a transverse array, and the third water filtering holes are strip-shaped holes arranged at intervals vertically.

10. The environment-friendly gutter inlet according to claim 3, wherein: the metal plate is a stainless steel plate, an aluminum alloy plate or a steel plate.