CN212641677U - Initial rainwater interception system - Google Patents

Abstract

The utility model relates to an initial stage rainwater system of damming, it includes the well body, the internal sand blocking bank that is provided with of well, first cavity and second cavity are separated into with the well body to the sand blocking bank, first cavity intercommunication has inlet tube and outlet pipe, second cavity intercommunication has the blow off pipe, be provided with the valve in the blow off pipe, the highest point of blocking the sand bank be higher than the minimum of blow off pipe, the lowest point of outlet pipe is higher than the peak of blow off pipe, the upper surface of blocking the sand bank is provided with filtering component. The utility model discloses reduction in production cost's effect has.

Description

Initial rainwater interception system

Technical Field

The utility model belongs to the technical field of municipal drainage, especially, relate to an initial stage rainwater system that dams.

Background

In the early stage of rainfall, a large amount of acid gases, automobile exhaust, factory waste gas and other pollutant gases in the air are dissolved in the rainwater, and after the rainwater falls to the ground, the rainwater in the early stage contains a large amount of pollutants such as organic matters, pathogens, heavy metals, grease, suspended solids and the like due to scouring of asphalt felt roofs, asphalt concrete roads, construction sites and the like, so that the pollution degree of the rainwater in the early stage is higher and usually exceeds the pollution degree of common urban sewage. If the early-stage rainwater is directly discharged into a natural bearing water body, the water body is seriously polluted.

At present, the front of an entry of initial rainwater is mainly communicated with an urban sewage intercepting well through a confluence pipeline, and a regulation and storage tank is arranged at the tail end of a rainwater drainage pipe and canal system to collect the initial rainwater, and then the initial rainwater is lifted by a water pump and sent to a sewage treatment plant.

However, the large scale of the above techniques results in high investment and high cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a system that dams initial stage rainwater with reduction in production cost to the not enough of prior art existence.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an initial stage rainwater system that dams, includes the well body, be provided with in the well body and block the sand bank, block the sand bank and separate into first cavity and second cavity with the well body, first cavity intercommunication has inlet tube and outlet pipe, second cavity intercommunication has the blow off pipe, be provided with the valve in the blow off pipe, the highest point that blocks the sand bank is higher than the minimum of blow off pipe, the lowest point of outlet pipe is higher than the peak of blow off pipe, the upper surface that blocks the sand bank is provided with filtering component.

Through adopting above-mentioned technical scheme, when raining, open the valve, the rainwater gets into in the first cavity through the inlet tube, under the effect of blocking the sand bank, partial grit stops in the first cavity, when the water level of rainwater was crossed and is blocked the sand bank, rivers pass through in the filter assembly flows into the second cavity, filter assembly keeps apart debris in the first cavity, the rivers of second cavity are slower, can make another part grit stop in the bottom of second cavity, make muddy initial stage rain go on through blow off pipe flow direction sewage treatment plant, need not set up the cistern alone, thereby the cost of manufacturing has been reduced, need not unnecessary fund input.

The present invention may be further configured in a preferred embodiment as: the upper plate of the first cavity is provided with an opening, and a movable cover plate is arranged in the opening.

Through adopting above-mentioned technical scheme, if the internal emergence of well blocks up, removable cover's setting can be convenient for the staff gets into the internal dredging of blocking up of well in the well, avoids leading to the unable entering of rainwater to discharge because the internal portion of well blocks up.

The present invention may be further configured in a preferred embodiment as: the filtering component comprises a grid positioned on the upper surface of the sand blocking ridge, a plurality of mounting plates are arranged on the side surfaces of the grid, positioning holes are formed in the mounting plates, threaded holes corresponding to the positioning holes are formed in the inner side wall of the well body, and threaded rods are rotationally arranged in the threaded holes.

Through adopting above-mentioned technical scheme, along with the lapse of time, along with rivers entering the internal debris of well, under the effect of grid, debris are attached to the surface of grid for the bolt breaks away from the screw hole through rotating the bolt, dismantles the grid from the sand blocking bank and gets off and clear up, avoids the grid to block up, simple structure, convenient operation.

The present invention may be further configured in a preferred embodiment as: and a gasket is arranged between the screw rod and the positioning hole.

Through adopting above-mentioned technical scheme, the gasket adopts rubber to make, can improve the area of contact between screw rod and the mounting panel, and the gasket coefficient of friction that rubber was made is great, can make the screw rod better to the fixed effect of mounting panel.

The present invention may be further configured in a preferred embodiment as: the filtering component comprises a grid positioned on the upper surface of the sand blocking ridge, one side of the grid is hinged to the upper surface of the sand blocking ridge, a male buckle is arranged on the side wall of the grid and close to the side wall of the well body, the male buckle is hinged to the side wall of the grid, and a female buckle which is connected with the male buckle in an overlapped mode is fixed on the inner side wall of the well body.

Through adopting above-mentioned technical scheme, when needs clearance grid, rotate the pin thread for the pin thread leaves from the box, then rotates the grid towards second chamber place direction, and the staff of being convenient for washs the grid, thereby avoids on the grid debris too much to cause and blocks up.

The present invention may be further configured in a preferred embodiment as: one side of the grid towards the second chamber is provided with a holding part.

Through adopting above-mentioned technical scheme, the setting of holding portion can rotate the grid for the staff and provide the stress point to the staff of being convenient for controls the grid.

The present invention may be further configured in a preferred embodiment as: one end of the drain pipe close to the first cavity is provided with a waterproof sleeve.

Through adopting above-mentioned technical scheme, install waterproof bushing at the blow off pipe one end that is close to first cavity, waterproof bushing can improve the rigidity of blow off pipe water inlet department to avoid waterproof bushing to receive the load to be crushed.

The present invention may be further configured in a preferred embodiment as: and a filter screen is arranged on the inner side of the waterproof sleeve towards the second chamber.

Through adopting above-mentioned technical scheme, in debris entering blow-off pipe can be avoided in the setting of filter screen to avoid the blow-off pipe to block up.

To sum up, the utility model discloses a following at least one useful technological effect:

when raining, the valve is opened, rainwater enters the first cavity through the water inlet pipe, part of gravel stays in the first cavity under the action of the sand blocking ridge, when the water level of the rainwater overflows the sand blocking ridge, water flows into the second cavity through the filtering assembly, impurities are isolated in the first cavity by the filtering assembly, the water flow of the second cavity is slow, the other part of gravel can stay at the bottom of the second cavity, turbid initial-stage rain flows to a sewage treatment plant through the sewage discharge pipe, a reservoir is not required to be arranged independently, the manufacturing cost is reduced, and unnecessary fund investment is not required;

along with the passage of time, sundries entering the well body along with water flow are attached to the surface of the grating under the action of the grating, and the bolt is separated from the threaded hole by rotating the bolt, so that the grating is detached from the sand blocking ridge for cleaning, the grating jam is avoided, the structure is simple, and the operation is convenient;

when the grid needs to be cleaned, the male buckle is rotated, so that the male buckle leaves from the female buckle, then the grid is rotated towards the direction of the second chamber, workers can clean the grid conveniently, and congestion caused by excessive sundries on the grid is avoided.

Drawings

FIG. 1 is a schematic overall structure diagram according to a first embodiment;

FIG. 2 is a schematic cross-sectional view of the first embodiment;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic cross-sectional view of the second embodiment;

fig. 5 is an enlarged schematic view of a portion B in fig. 4.

Reference numerals: 1. a well body; 2. a sand blocking bank; 3. a filter assembly; 31. a grid; 32. mounting a plate; 33. a screw; 34. a gasket; 35. a male buckle; 36. a female buckle; 37. a holding portion; 4. a first chamber; 5. a second chamber; 6. a water inlet pipe; 7. a water outlet pipe; 8. a blow-off pipe; 9. a valve; 10. an opening; 11. a removable cover plate; 12. a waterproof sleeve; 13. and (4) a filter screen.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Embodiment 1, refer to fig. 1 and 2, for the utility model discloses an initial stage rainwater system that dams, including the well body 1, integrated into one piece has sand blocking bank 2 in the well body 1, and sand blocking bank 2's last surface mounting has filter assembly 3, and filter assembly 3's week side and well body 1 inner wall looks butt, and sand blocking bank 2 and filter assembly 3 separate into first cavity 4 and second cavity 5 with well body 1, and first cavity 4 intercommunication has inlet tube 6 and outlet pipe 7, and second cavity 5 intercommunication has blow off pipe 8, installs valve 9 in the blow off pipe 8, and sand blocking bank 2's the highest point is higher than the minimum of blow off pipe 8, and the lowest point of outlet pipe 7 is higher than the highest point of blow off pipe 8.

An opening 10 is opened on the upper plate of the first chamber 4, and a movable cover plate 11 is hinged in the opening 10. If take place to block up in the well body 1, can be convenient for the staff to get into the well body 1 through removable cover 11 and dredge blocking up in the well body 1, avoid leading to the unable entering of rainwater to discharge because the internal jam of well body 1.

As can be seen from fig. 3, the filtering assembly 3 includes a grating 31 located on the upper surface of the sand trap 2, a plurality of mounting plates 32 are welded on the side surface of the grating 31, the mounting plates 32 are abutted to the inner side wall of the well body 1, positioning holes are formed in the mounting plates 32, threaded holes communicated with the positioning holes are formed in the well body 1, and screws 33 are rotatably mounted in the threaded holes. Along with the time, along with rivers entering the debris in the well body 1, under the effect of grid 31, debris are attached to the surface of grid 31 for the bolt breaks away from the screw hole through rotating the bolt, dismantles grid 31 from sand blocking bank 2 and clears up, avoids grid 31 to block up, simple structure, convenient operation.

Then, a gasket 34 is arranged between the screw 33 and the positioning hole, and the gasket 34 is made of rubber, so that the friction coefficient is larger, the contact area between the screw 33 and the mounting plate 32 can be increased, and the fixing effect of the screw 33 on the mounting plate 32 is better.

Referring to fig. 2, a waterproof sleeve 12 is installed at one end of the sewage draining pipe 8 close to the first chamber 4, and the rigidity of the water inlet of the sewage draining pipe 8 can be improved through the waterproof sleeve 12, so that the waterproof sleeve 12 is prevented from being crushed by load.

Then, in order to avoid clogging of the evacuation pipe, a filter screen 13 is mounted on the inside of the waterproof jacket 12 facing the second chamber 5.

Embodiment 2, referring to fig. 4 and 5, differs from embodiment 1 in that: the filtering component 3 comprises a grid 31 positioned on the upper surface of the sand blocking ridge 2, one side of the grid 31 is hinged on the upper surface of the sand blocking ridge 2, a male buckle 35 is arranged on the side wall of the grid 31 and close to the side wall of the well body 1, the male buckle 35 is hinged on the side wall of the grid 31, and a female buckle 36 lapped with the male buckle 35 is fixed on the inner side wall of the well body 1. When the grille 31 needs to be cleaned, the male buckle 35 is rotated, so that the male buckle 35 leaves from the female buckle 36, and then the grille 31 is rotated towards the direction of the second chamber 5, so that the grille 31 can be cleaned by workers conveniently, and congestion caused by excessive sundries on the grille 31 is avoided. To facilitate the rotation of the grille 31, a grip 37 is mounted on the side of the grille 31 facing the second chamber 5.

The implementation principle of the embodiment is as follows: when raining, open valve 9, the rainwater passes through inlet tube 6 and gets into in the first cavity 4, under the effect of blocking sand bank 2, partial grit stops in first cavity 4, when the water level of rainwater is overflowed and is blocked sand bank 2, rivers flow into in the second cavity 5 through filter assembly 3, filter assembly 3 keeps apart debris in first cavity 4, the rivers of second cavity 5 are slower, can make another part grit stop in the bottom of second cavity 5, make muddy initial stage rain go on through 8 flow direction sewage treatment plants of blow off pipe, need not set up the cistern alone, thereby the cost of manufacturing has been reduced, need not unnecessary fund input.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides an initial stage rainwater damps system which characterized in that: including the well body (1), be provided with in the well body (1) and block sand bank (2), block sand bank (2) and separate into first cavity (4) and second cavity (5) with the well body (1), first cavity (4) intercommunication has inlet tube (6) and outlet pipe (7), second cavity (5) intercommunication has blow off pipe (8), be provided with valve (9) in blow off pipe (8), the highest point that blocks sand bank (2) is higher than the minimum of blow off pipe (8), the lowest point of outlet pipe (7) is higher than the highest point of blow off pipe (8), the upper surface that blocks sand bank (2) is provided with filtering component (3).

2. An initial rainwater interception system according to claim 1, characterized in that: an opening (10) is formed in the upper plate of the first cavity (4), and a movable cover plate (11) is arranged in the opening (10).

3. A primary stormwater shutoff system according to claim 2, wherein: the filtering component (3) comprises a grating (31) located on the upper surface of the sand blocking ridge (2), a plurality of mounting plates (32) are arranged on the side face of the grating (31), positioning holes are formed in the mounting plates (32), threaded holes communicated with the positioning holes are formed in the inner side wall of the well body (1), and screws (33) are arranged in the threaded holes in a rotating mode.

4. A primary stormwater shutoff system according to claim 3, wherein: and a gasket (34) is arranged between the screw rod (33) and the positioning hole.

5. A primary stormwater shutoff system according to claim 2, wherein: the filter assembly (3) is including being located grid (31) of sediment trapping bank (2) upper surface, one side of grid (31) articulates sediment trapping bank (2) upper surface, the position that grid (31) lateral wall and be close to well body (1) lateral wall is provided with pin thread (35), pin thread (35) articulate on the lateral wall of grid (31), the inside wall of well body (1) be fixed with pin thread (35) lapped box (36).

6. An initial rainwater interception system according to claim 5, wherein: a holding part (37) is arranged on one side of the grid (31) facing the second chamber (5).

7. An initial rainwater interception system according to claim 1, characterized in that: one end of the sewage draining pipe (8) close to the first chamber (4) is provided with a waterproof sleeve (12).

8. An initial rainwater interception system according to claim 7, wherein: and a filter screen (13) is arranged on the inner side of the waterproof sleeve (12) facing the second chamber (5).

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