CN211898837U - Anti-blocking rainwater grate capable of separating initial rainwater runoff - Google Patents
Anti-blocking rainwater grate capable of separating initial rainwater runoff Download PDFInfo
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- CN211898837U CN211898837U CN201922235201.0U CN201922235201U CN211898837U CN 211898837 U CN211898837 U CN 211898837U CN 201922235201 U CN201922235201 U CN 201922235201U CN 211898837 U CN211898837 U CN 211898837U
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Abstract
The utility model discloses a can separate stifled type rainwater grate of initial stage rainfall runoff belongs to market source pollution control technical field. An anti-blocking rainwater grate capable of separating initial rainwater runoff comprises an integrated water passing gallery, at least one water permeable opening and a slag collecting groove; the integrated water passing gallery comprises an integrated water passing groove and a mesh grid arranged above the integrated water passing groove, the water passing opening is formed in a concrete substrate, the concrete substrate is arranged in a forming area formed by the integrated water passing gallery, and the slag collecting groove is arranged at one side of the water passing opening and is positioned at the opening of the forming area. The utility model discloses simple structure, the preparation of being convenient for, the design feasibility degree is high, convenient operation, and the practicality is strong.
Description
Technical Field
The utility model belongs to the technical field of city non-point source pollution control, concretely relates to can separate stifled type rainwater grate of initial stage rainfall runoff.
Background
At present, with the continuous expansion of the urban scale in China, the land utilization type is changed greatly, a large amount of impervious ground is produced, and the ground runoff coefficient is increased remarkably. On one hand, because urban roads occupy large area and have large traffic load, the strength of non-point source pollution load of the urban roads is greater than that of impervious underlying surfaces such as roofs, squares and the like, the formed initial runoff contains most of road pollutants, and the urban non-point source pollution caused by the fact that rainwater runoff scours the roads in the rainfall process becomes one of the main reasons for the deterioration of the water quality of urban water bodies. On the other hand, pollutants with large volume carried by rainwater are washed to the water permeable opening of the rainwater grate during rainfall, the rainwater grate is easily blocked, the drainage capacity of the blocked rainwater grate is seriously reduced, even normal drainage can not be realized, and a series of problems such as urban waterlogging and the like are caused during rainstorm.
The rainwater grate and the green belt are mostly arranged on two sides of urban roads in China, and road rainwater runoff formed in the rainfall process directly penetrates through the rainwater grate to enter a municipal sewage pipeline. On one hand, a large amount of non-point source pollutants enter the urban sewage plant along with rainwater, so that the content of carbon sources of inlet water of the sewage plant is seriously reduced, an external carbon source needs to be added to ensure the normal operation of the sewage plant, and a large amount of rainwater is mixed with sewage and discharged into the sewage plant for treatment, so that the load and the cost of sewage treatment are increased; on the other hand, the rainwater purification function of the roadside green belt is not fully utilized; in addition, the rainwater grate is easily blocked by pollutants with large volume brought by rainfall. Therefore, if the pollutant purification effect of the roadside green belt can be effectively utilized to treat the initial rainfall runoff and the anti-blocking facility is used, on one hand, the rainfall entering the municipal pipe network can be reduced, the water treatment load of the sewage plant can be reduced, and the treatment cost can be reduced. On the other hand, the sewage purification potential of the roadside green belt can be fully exerted to absorb and degrade pollutants in initial runoff, the ground runoff coefficient is effectively reduced, partial urban non-point source pollutants can be treated, and the risk that urban inland inundation problems are frequent due to blockage of the rainwater grate is greatly reduced.
SUMMERY OF THE UTILITY MODEL
There is the defect or not enough to prior art, the utility model aims to provide a can separate stifled type rainwater grate of initial stage rainwater runoff, it replaces the rainwater grate of current road both sides, can cause the initial stage runoff that the initial stage contains a large amount of road non-point source pollutants to roadside green belt to possess certain stifled function of preventing. On the one hand, the separation of initial stage road rainwater runoff and middle and later stage runoff is realized, on the other hand, the pollutant in the initial stage runoff is absorbed and degraded by the sewage purification potential of the roadside green belt, the ground runoff coefficient is effectively reduced, partial runoff pollutants can be treated, and the urban non-point source pollution problem caused by rainwater runoff scouring roads in the rainfall process is effectively relieved. Furthermore, the utility model discloses increased on traditional rainwater grate's basis and prevented stifled facility, the bulky pollutant that carries by the rainwash during rainy day can be collected to the collection cinder notch by rivers erode, thereby greatly reduced the rainwater grate and blockked up the hidden danger that arouses urban road ponding.
In order to solve the technical problem, the utility model adopts the following technical scheme:
an anti-blocking rainwater grate capable of separating initial rainwater runoff comprises an integrated water passing gallery, at least one water permeable opening and a slag collecting groove; the integrated water passing gallery comprises an integrated water passing groove and a mesh grid arranged above the integrated water passing groove, the water passing opening is formed in a concrete substrate, the concrete substrate is arranged in a forming area formed by the integrated water passing gallery, and the slag collecting groove is arranged at one side of the water passing opening and is positioned at the opening of the forming area.
According to a further technical scheme, the material of the mesh grid of the integrated water passing gallery is flat steel; the integrated water passing groove is made of reinforced concrete.
According to a further technical scheme, the integral water passing groove integrally keeps a certain gradient towards the water outlet direction.
According to a further technical scheme, the elevation of the top of the water permeable opening is larger than that of the top of the integrated water passing gallery.
According to a further technical scheme, the slag collecting groove is positioned on a road shoulder at one side of the road far away from the road.
According to the technical scheme, the extension section is arranged on one side, close to the green belt beside the road shoulder, of the integrated water passing gallery, and therefore when raining, the rainwater can be better converged towards the green belt.
In a further technical scheme, the mesh-shaped grating and the integrated water passing groove are detachably designed, and the grating or the water passing groove can be cleaned regularly.
According to a further technical scheme, the slag collecting groove is a groove body with an open top, and the elevation of the bottom of the slag collecting groove is lower than the elevation of a road surface.
According to a further technical scheme, an energy dissipation stone is arranged at the joint of the water outlet of the integrated water passing gallery and a green belt beside a road.
The utility model discloses a set up netted grid on corridor upper portion of permeating water, can hold back the less pollutant of a part volume. The integral water-permeable corridor keeps a certain gradient integrally, so that water can automatically flow into a green belt beside the road. The junction of the integrated water passing gallery water outlet and the green belt beside the road is provided with an energy dissipation stone for dissipating energy of rainwater and avoiding the damage to the green belt caused by too fast flow speed of the rainwater. The mouth of permeating water deviates from road one side and sets up the sediment groove, and the bottom elevation in sediment groove is less than the road surface elevation, and the sediment groove degree of depth of collection can be set for according to the demand. The size and the number of the water permeable openings can be selected according to the water inlet flow, and different materials can be selected according to the field situation to adapt to different span loads and requirements.
Because the utility model discloses well mouthful elevation of permeating water is greater than water passing corridor elevation, and rainfall initial stage runoff carries most road pollutants and gets into the greenbelt on roadside with the certain slope from flowing by water passing corridor, has avoided initial stage rainwater to get into municipal pipeline. Along with the increase of rainfall duration, the runoff of the rainwater on the road surface is gradually increased, but the content of non-point source pollutants contained in the rainwater at the moment is greatly reduced. Rainwater overflows the water channel and enters the municipal pipeline through the water permeable opening, so that the diversion of initial stage rainwater runoff and middle and later stage rainwater runoff is effectively realized.
Advantageous effects
The utility model discloses the technical effect who has is:
1. the separation of the initial runoff and the middle and later runoff of the road is realized, the sewage purification potential of the roadside green belt can be fully exerted to absorb pollutants in the rainfall initial runoff while the rainwater treatment load of a sewage plant in the rainfall process is reduced, and the problems of urban non-point source pollution and drainage performance reduction caused by the fact that the rainfall runoff erodes the road in the rainfall process are effectively relieved or even solved.
2. The utility model discloses a set up the great pollutant of volume that brings by the rainwash when the rainfall can be collected well to the album cinder notch, reduce the risk that the rainwater grate is blockked up, can effectively prevent stifled, effectively alleviated the waterlogging problem that urban road ponding caused because of the rainwater grate blocks up to bring, fine application prospect has.
3. The utility model discloses simple structure, the preparation of being convenient for, the design feasibility degree is high, convenient operation, and the practicality is strong.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of an integrated water gallery.
The labels in the figure are: 1 integrated water passing gallery, 2 water permeable ports, 3 slag collecting grooves, 4 concrete base plates, 5 extension sections, 6 road shoulders, 7 energy dissipation stones, 8 green belts, 9 integrated water passing grooves and 10 mesh grids.
Detailed Description
The following detailed description of the present invention will be made with reference to the accompanying drawings and examples.
Examples
As shown in fig. 1 and 2, the anti-blocking rainwater grate capable of separating initial rainwater runoff comprises an integrated water passing gallery 1, a water permeable opening 2 and a slag collecting groove 3; integration water corridor 1 including cross the integration water tank 9, locate the integration water tank 9 top netted grid 10, the mouth 2 of permeating water set up on concrete substrate 4, concrete substrate 4 locates the integration water corridor 1 and encloses the inside in the shape region, slag trap 3 locate one side of the mouth 2 of permeating water, be located the opening part in shape region.
The material of the mesh grid 10 of the integrated water passing gallery 1 is flat steel; the integrated water passing groove 9 is made of reinforced concrete.
The integral water passing tank 9 integrally keeps a certain gradient towards the water outlet direction.
The elevation at the top of the water permeable port 2 is greater than the elevation at the top of the integrated water passing gallery 1.
The slag collecting groove 3 is positioned on a road shoulder 6 on one side of the road far away from the road.
The integrated water channel 1 is provided with an extension section 5 at one side of a green belt 8 close to a road shoulder 6.
The mesh grid 10 and the integrated water passing tank 9 are in detachable design.
The slag collecting groove 3 is a groove body with an open top, and the elevation of the bottom of the groove body is lower than the elevation of the road surface.
And an energy dissipation stone 7 is arranged at the joint of the water outlet of the integrated water passing gallery 1 and the green belt 8 beside the road.
The integrated water passing gallery 1 keeps a certain gradient towards the water outlet direction, and is favorable for collecting rainwater and pollutants on the ground to discharge initial rainwater to a roadside green belt.
After the rainfall, because the relation of road ground slope, the waterproof earth's surface of road begins to form the surface runoff, and initial rainfall runoff has formed the first scouring action on the waterproof ground of road, and most road surface source pollutant passes through under the effect of road slope along with initial rainfall runoff the utility model discloses a greenbelt 8 that the mouth of permeating water automatically flowed into the roadside after the energy dissipation of energy dissipation stone 7 is avoided by the water corridor to the rainwater grate after converging. Part of small-volume pollutants brought by initial rainwater are intercepted by the mesh grid arranged at the upper part of the water flowing gallery, so that the risk of unsmooth drainage channel caused by blockage is reduced.
Along with the increase of rainfall duration, road rainwater runoff volume increases gradually, and the water yield of water passing corridor increases gradually until overflowing the water passing corridor, then most rainfall runoff in middle and later periods passes through the mouth of permeating water and gets into the rainwater pipeline to realize the separation of rainfall initial stage runoff and middle and later period runoff.
Small-volume pollutants brought by the scouring action of road rainwater are intercepted by the mesh grid 10 at the upper part of the integrated water passing gallery, large-volume pollutants are scoured by the rainwater to the slag collecting groove arranged on the road shoulder for collection, and the grid and the slag collecting groove are regularly cleaned and maintained to ensure the smoothness of drainage.
Claims (9)
1. The utility model provides a can separate stifled type rainwater grate of initial stage rainwater runoff, its characterized in that: comprises an integrated water passing gallery, at least one water permeable opening and a slag collecting groove; the integrated water passing gallery comprises an integrated water passing groove and a mesh grid arranged above the integrated water passing groove, the water passing opening is formed in a concrete substrate, the concrete substrate is arranged in a forming area formed by the integrated water passing gallery, and the slag collecting groove is arranged at one side of the water passing opening and is positioned at the opening of the forming area.
2. The anti-blocking rainwater grate capable of separating initial rainwater runoff according to claim 1, characterized in that: the material of the mesh grid of the integrated water passing gallery is flat steel; the integrated water passing groove is made of reinforced concrete.
3. The anti-blocking rainwater grate capable of separating initial rainwater runoff according to claim 1 or 2, characterized in that: the integral water passing groove integrally keeps a certain gradient towards the water outlet direction.
4. The anti-blocking rainwater grate capable of separating initial rainwater runoff according to claim 1, characterized in that: the elevation at the top of the water permeable opening is greater than the elevation at the top of the integrated water passing gallery.
5. The anti-blocking rainwater grate capable of separating initial rainwater runoff according to claim 1, characterized in that: the slag collecting groove is positioned on the shoulder of the road on one side far away from the road.
6. The anti-blocking rainwater grate capable of separating initial rainwater runoff according to claim 1, characterized in that: the integrated water passing gallery is provided with an extension section at one side of the green belt close to the shoulder.
7. The anti-blocking rainwater grate capable of separating initial rainwater runoff according to claim 1, characterized in that: the mesh-shaped grating and the integrated water passing groove are detachably designed.
8. The anti-blocking rainwater grate capable of separating initial rainwater runoff according to claim 1, characterized in that: the slag collecting groove is a groove body with an open top, and the elevation of the bottom of the slag collecting groove is lower than the elevation of the road surface.
9. The anti-blocking rainwater grate capable of separating initial rainwater runoff according to claim 1, characterized in that: and energy dissipation stones are arranged at the joints of the water outlets of the integrated water passing galleries and the green belts beside the roads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922235201.0U CN211898837U (en) | 2019-12-13 | 2019-12-13 | Anti-blocking rainwater grate capable of separating initial rainwater runoff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922235201.0U CN211898837U (en) | 2019-12-13 | 2019-12-13 | Anti-blocking rainwater grate capable of separating initial rainwater runoff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211898837U true CN211898837U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922235201.0U Active CN211898837U (en) | 2019-12-13 | 2019-12-13 | Anti-blocking rainwater grate capable of separating initial rainwater runoff |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211898837U (en) |
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2019
- 2019-12-13 CN CN201922235201.0U patent/CN211898837U/en active Active
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