CN215562962U

CN215562962U - Backwashing decontamination device for rainwater treatment

Info

Publication number: CN215562962U
Application number: CN202120019094.2U
Authority: CN
Inventors: 洪忠
Original assignee: Anhui Suyu Environmental Protection New Material Co ltd
Current assignee: Anhui Suyu Environmental Protection New Material Co ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2022-01-18
Anticipated expiration: 2031-01-06

Abstract

The utility model discloses a backwashing dirt removing device for rainwater treatment, which comprises a shaft, a well cover positioned at the top of the shaft and a hanging basket positioned in the shaft, wherein a sewage discharge pipeline and a water outlet are arranged on one side of the shaft from top to bottom, the bottom end of the hanging basket is connected with one end of a backwashing pipeline, the other end of the backwashing pipeline penetrates through the side wall of the shaft and is communicated with the side wall of the upper part of the shaft, an annular base plate is fixed on the inner wall of the shaft and is matched with a floating plate capable of moving up and down, a through hole is formed in the center of the floating plate, the backwashing pipeline penetrates through the floating plate through the through hole, the floating plate floats upwards to form a plug on the shaft when contacting with the annular base plate, and the plugging on the shaft is released when the floating plate leaves from the annular base plate. When sewage is discharged and cleaned, the floating plate blocks a shaft, and water is supplied to the backwashing pipeline through an external water pump, so that sludge accumulated at the bottom of the hanging basket is discharged from the sewage discharge pipeline along with water flow, and backwashing of the hanging basket is realized.

Description

Backwashing decontamination device for rainwater treatment

Technical Field

The utility model relates to the technical field of urban water treatment, in particular to a backwashing sewage removal device for rainwater treatment.

Background

Sponge city, as the name implies just support the city that the sponge is the same, can collect, impound and purify the rainfall rainwater in the city in rainy season, when needing the water resource, releases the water resource of having saved and utilizes.

At present, a system for storing rainwater is mostly used for building a concave green land in urban greening, wherein the ground is higher than the green land, and rainwater retention facilities are designed in the green land. The urban green land and the lawn can absorb rainwater more through the planning and construction of urban greening such as public green land, unit affiliated green land, residential green land, protection green land, finished green land, windfarm green land, road green land and the like in urban planning.

In urban construction, all underground pipe ways are all assisted and are located the underground, the entry on the other hand that the maintainer got into the sewer is also the export of urban drainage to the well head of launching, because contain a large amount of debris in the rainwater, can set up at the well head department and hang the basket usually, filter equipment such as filter particle, filter large granule solid impurity, and granule impurity such as silt carries out the pipeline through filter equipment under the rivers effect, but when rainwater initial stage or little rainfall, the water flows more slowly, impurity such as silt of aquatic can gather in hanging the basket bottom, debris such as the mud of gathering after long-time use can cause the jam, consequently, need regularly clear up the mud of gathering, artifical cost of cleaning is higher, consume a large amount of manpower and materials, the later maintenance cost is big.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the technical background, the utility model aims to provide a backwashing dirt removing device for rainwater treatment, which solves the problem of sludge accumulation in a filtering hanging basket.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a backwash scrubbing device for rainwater treatment, includes the pit shaft, is located the well lid at pit shaft top and is located the inside conical string basket of pit shaft one side top-down is provided with sewage pipes, outlet the inside filter particle of having placed of string basket, the one end of backwash pipeline is connected to the bottom of string basket, the other end of backwash pipeline runs through the pit shaft lateral wall, with pit shaft upper portion lateral wall is linked together the pit shaft inner wall is fixed with annular backing plate, annular backing plate and the kickboard cooperation that can reciprocate, the through-hole has been seted up to kickboard central point, through the through-hole makes backwash pipeline runs through the kickboard, the kickboard come-up with form the shutoff to the pit shaft during annular backing plate contact, the shutoff to the pit shaft is removed when kickboard and annular backing plate leave.

Furthermore, drain valves are respectively arranged on the positions of the drain outlet and the sewage discharge pipeline.

Further, the bottom surface of the annular base plate and the bottom surface of the hanging basket are located on the same plane.

Further, the upper surface of the floating plate is contacted with the bottom surface of the hanging basket while the floating plate floats upwards to be contacted with the annular base plate.

Further, the floating plate is of a cone structure with a hollow inner part, and the maximum circle diameter of the floating plate is larger than the diameter of an inner ring of the annular base plate.

Furthermore, the floating plate is located below the annular base plate, a plurality of hooks are vertically distributed at the top of the floating plate, and the hooks penetrate through the inner ring of the annular base plate.

Furthermore, the top of the hook is provided with a limiting bulge matched with the inner ring of the annular base plate.

Furthermore, a grating and a filter screen are arranged on the well lid from top to bottom.

Compared with the prior art, the utility model has the following advantages:

when the utility model is normally used, rainwater enters the shaft after being filtered by the hanging basket and is discharged through the water outlet, when sewage is discharged and cleaned, the water outlet is closed, water is gathered in the shaft, the floating plate floats upwards under the action of buoyancy and contacts with the annular base plate to block the shaft, the backwashing pipeline is supplied with water through the external water pump, the water is flushed from the bottom of the hanging basket through the backwashing pipeline, so that sludge accumulated at the bottom of the hanging basket and among filter particles floats in the water, and then is discharged along with water flow from the sewage discharge pipeline at the upper part of the hanging basket, the backwashing of the hanging basket is realized, the blockage is avoided, and the backwashing effect is good; the utility model has reasonable structural design and convenient operation and use.

Drawings

FIG. 1 is a schematic structural view of a backwash dirt separator according to the present invention in normal use;

FIG. 2 is a schematic structural view of the backwashing dirt-removing device of the present invention during sewage disposal;

fig. 3 is a schematic structural view of the floating plate of the present invention.

In the figure: 1-a wellbore; 2-well cover; 3, hanging a basket; 4-filtering the particles; 5-backwashing the pipeline; 6-annular backing plate; 7-a floating plate; 8-a water outlet; 9-a drain valve; 10-a sewage draining pipeline; 201-a grid; 202-a filter screen; 701-through holes; 702-a hook; 703-limit bump.

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

As shown in fig. 1-3, a backwashing dirt removing device for rainwater treatment comprises a shaft 1, a well lid 2 positioned at the top of the shaft 1 and a conical hanging basket 3 positioned inside the shaft 1, wherein a sewage discharge pipeline 10 and a water discharge port 8 are arranged on one side of the shaft 1 from top to bottom, filter particles 4 are placed inside the hanging basket 3, the bottom end of the hanging basket 3 is connected with one end of a backwashing pipeline 5, the other end of the backwashing pipeline 5 penetrates through the side wall of the shaft 1 and is communicated with an outlet on the side wall of the upper part of the shaft 1, an annular cushion plate 6 is fixed on the inner wall of the shaft 1, the annular cushion plate 6 is matched with a floating plate 7 capable of moving up and down, a through hole 701 is arranged at the center of the floating plate 7, the backwashing pipeline 5 penetrates through the floating plate 7 through the through hole 701, and the floating plate 7 forms a plug when floating upward and the annular cushion plate 6 contact with the shaft 1, when the floating plate 7 is separated from the annular pad 6, the plugging of the shaft 1 is released.

When the utility model is used normally, rainwater enters the shaft 1 after being filtered by the hanging basket 3 and is discharged through the water outlet 8, when sewage is discharged and cleaned, the water outlet 8 is closed, water is gathered in the shaft, the floating plate 7 floats upwards under the action of buoyancy and contacts with the annular backing plate 6 to block the shaft, the backwashing pipeline 5 is supplied with water through the external water pump, the water is flushed from the bottom of the hanging basket 3 through the backwashing pipeline 5, so that sludge accumulated at the bottom of the hanging basket and among filter particles floats in the water, and then is discharged along with water flow from the sewage discharge pipeline 10 at the upper part of the hanging basket, thereby realizing backwashing of the hanging basket, avoiding blockage and having good backwashing effect; the utility model has reasonable structural design and convenient operation and use.

As shown in fig. 1 and 2, in an embodiment of the present invention, drain valves 9 are respectively installed at the positions of the drain opening 8 and the sewage drain pipe 10. The drain valve at drain outlet 8 is opened in normal use, and the drain valve at drain pipe 10 is closed, carries out rainwater filtration collection processing, and when carrying out the blowdown, the drain valve at drain outlet 8 is closed, and drain valve at drain pipe 10 is opened.

As shown in fig. 1 and 2, in an embodiment of the present invention, the bottom surface of the annular pad 6 and the bottom surface of the hanging basket 3 are located on the same plane.

The upper surface of the floating plate 7 is contacted with the bottom surface of the hanging basket 3 while the floating plate 7 floats upwards and is contacted with the annular base plate 6.

In one embodiment of the present invention, the floating plate 7 is a cone structure with a hollow interior, and the maximum circle diameter of the cone structure is larger than the inner circle diameter of the annular backing plate 6.

As shown in fig. 3, in an embodiment of the present invention, the floating plate 7 is located below the annular base plate 6, a plurality of hooks 702 are vertically distributed on the top of the floating plate 7, and the hooks 702 penetrate through the inner ring of the annular base plate 6.

Wherein, the top of the hook 702 is provided with a limit bump 703 matched with the inner ring of the annular backing plate 6.

In an embodiment of the present invention, the manhole cover 2 is provided with a grating 201 and a filter screen 202 from top to bottom. Intercepting and filtering large-particle solid impurities.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a backwash scrubbing device for rainwater treatment, includes pit shaft (1), is located well lid (2) at pit shaft (1) top and is located the conical basket (3) of hanging of pit shaft (1) inside pit shaft (1) one side top-down is provided with sewage pipes (10), outlet (8), its characterized in that: filter particles (4) are placed in the hanging basket (3), one end of a backwashing pipeline (5) is connected to the bottom end of the hanging basket (3), the other end of the backwashing pipeline (5) penetrates through the side wall of the shaft (1), the side wall of the upper portion of the shaft (1) is communicated, an annular base plate (6) is fixed to the inner wall of the shaft (1), the annular base plate (6) is matched with a floating plate (7) capable of moving up and down, a through hole (701) is formed in the center of the floating plate (7), the through hole (701) enables the backwashing pipeline (5) to penetrate through the floating plate (7), the floating plate (7) floats upwards and forms plugging on the shaft (1) when the annular base plate (6) is in contact, and the plugging on the shaft (1) is removed when the floating plate (7) and the annular base plate (6) leave.

2. The backwashing dirt removing device for rainwater treatment as claimed in claim 1, wherein a drain valve (9) is installed at each of the drain opening (8) and the drain pipe (10).

3. The backwashing dirt removing device for rainwater treatment as claimed in claim 1, wherein the bottom surface of the annular pad (6) and the bottom surface of the hanging basket (3) are located on the same plane.

4. The backwashing dirt removing device for rainwater treatment as claimed in claim 3, wherein the upper surface of the floating plate (7) is in contact with the bottom surface of the basket (3) while the floating plate (7) is floating up to be in contact with the annular base plate (6).

5. The backwashing dirt removing device for rainwater treatment as claimed in claim 1, wherein the floating plate (7) is of a cone structure with a hollow inside, and the maximum circular diameter of the cone structure is larger than the inner ring diameter of the annular backing plate (6).

6. The backwashing dirt removing device for rainwater treatment as claimed in claim 1, wherein the floating plate (7) is located below the annular base plate (6), a plurality of hooks (702) are vertically distributed on the top of the floating plate (7), and the hooks (702) penetrate through the inner ring of the annular base plate (6).

7. The backwashing dirt removing device for rainwater treatment as claimed in claim 6, wherein the top of the hook (702) is provided with a limiting protrusion (703) which is matched with the inner ring of the annular backing plate (6).

8. The backwashing dirt removing device for rainwater treatment as claimed in claim 1, wherein the well lid (2) is provided with a grating (201) and a filter screen (202) from top to bottom.