CN219100284U

CN219100284U - Non-point source pollution processor

Info

Publication number: CN219100284U
Application number: CN202223530408.9U
Authority: CN
Inventors: 李金平; 杨兰
Original assignee: Nanjing Blue Collar New Material Technology Co ltd
Current assignee: Nanjing Blue Collar New Material Technology Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-30
Anticipated expiration: 2032-12-28

Abstract

The utility model provides a non-point source pollution processor which can filter medium and small flow rainwater forming non-point source pollution, can not prevent drainage of large flow rainwater, and is convenient to replace filter materials. The filter box comprises a box body, wherein a filter box is arranged in the box body, an overflow flow channel is arranged between the outer wall of the filter box and the inner wall of the box body, a water outlet hole is formed in the bottom of the filter box, and a filter layer is arranged in the filter box above the water outlet hole; an overflow port is arranged on the side wall of the upper part of the filter box; an overflow plate is arranged outside the overflow port, the upper part of the overflow plate is hinged with the outer side wall of the filter tank, and the overflow plate covers the overflow port in a normal state; when the rainwater level in the filter tank exceeds the overflow port, the rainwater pushes the lower part of the overflow plate to swing outwards, and the overflow port is opened.

Description

Non-point source pollution processor

Technical Field

The utility model relates to a device for treating non-point source pollution generated by urban rainwater runoff.

Background

The surface runoff of rainwater formed by urban roads and open spaces is an important source of non-point source water pollution in urban areas. The water-impermeable surface through which the water flows can bring the garbage, greasy dirt, heavy metal, chemical fertilizer, pesticide and other pollutants on the surfaces of roads, parking lots, lawns and the like into the water body. If the early-stage medium and small flow rainwater is directly discharged, river and stream pollution is easily caused, and finally human life is endangered.

ZL2020208958096 discloses a rainwater composite flow filter equipment, and it adopts the composite flow principle of the backward flow of rolling over, reverse flow, and uninterruptedly carries out separation filtration to the rainwater, need not to establish the backwash process, is provided with in the inspection shaft and separates the well room into the baffle of controlling two parts: one part of the water inlet is communicated with the water inlet to form a return flow chamber, and the other part of the water inlet is communicated with the water outlet to form a countercurrent filtering chamber; the return flow chamber is communicated with the countercurrent filtering chamber through a gap between the lower part of the baffle and the bottom of the well chamber, a filtering basket capable of being taken out from the upper part of the well chamber is arranged in the countercurrent filtering chamber, rainwater enters the return flow chamber from the water inlet, flows into the countercurrent filtering chamber through the gap, and flows out from the water outlet after flowing upwards countercurrent through the filtering basket. The rainwater composite flow filtering device has good filtering effect, but cannot timely treat large-flow rainwater, and when the rainfall is large, the rainwater flows smoothly.

Disclosure of Invention

The utility model aims to provide a non-point source pollution processor which can filter rainwater with medium and small flow rate forming non-point source pollution, can not prevent drainage of rainwater with large flow rate, and is convenient to replace filter materials.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the non-point source pollution processor comprises a box body, wherein a filter box is arranged in the box body, an overflow flow channel is arranged between the outer wall of the filter box and the inner wall of the box body, a water outlet hole is formed in the bottom of the filter box, and a filter layer is arranged in the filter box above the water outlet hole; an overflow port is arranged on the side wall of the upper part of the filter box; an overflow plate is arranged outside the overflow port, the upper part of the overflow plate is hinged with the outer side wall of the filter tank, and the overflow plate covers the overflow port in a normal state; when the rainwater level in the filter tank exceeds the overflow port, the rainwater pushes the lower part of the overflow plate to swing outwards, and the overflow port is opened.

The above-mentioned non-point source pollutes the treater, and the filter layer can be dismantled and set up in the rose box.

The above-mentioned non-point source pollutes the treater, and the filter layer has upper and lower multilayer.

The non-point source pollution processor further comprises a sewage interception hanging basket which is detachably arranged at the opening of the upper end of the filter box.

The non-point source pollution processor is characterized in that the pollution intercepting hanging basket is in a conical shape with a large upper part and a small lower part.

The non-point source pollution processor is characterized in that the box body and the filter box are cuboid, and overflow ports are formed in four side walls of the upper part of the filter box.

Compared with the prior art, the utility model has the beneficial effects that: the product can effectively remove pollutants in rainwater through the sewage interception hanging basket and the multi-medium filtration purification. When medium and small rain, rainwater flows into the intercepting hanging basket through the grid, intercepts large pollutants such as leaves and particles through the intercepting hanging basket, and flows downwards into the filter box through the intercepting hanging basket, flows out from the bottom water outlet through the filtration of the filter layer in the filter box, is discharged through the water outlet, and enters the municipal drainage pipe network.

When heavy rain or heavy rain, the water quantity flowing out from the water outlet at the bottom is smaller due to the filtration of the filter layer, the water level in the filter box is gradually increased, when the water level reaches the overflow port, the overflow plate is pushed to swing outwards by rainwater, the overflow port is opened, and the rainwater is discharged through the overflow port, the water falling channel and the water outlet below the box body and enters the municipal drainage pipe network.

After heavy rain or heavy rain, the rainwater is reduced, the overflow plate swings reversely due to dead weight, the overflow port is automatically closed, and the rainwater is continuously filtered by the filter layer and is discharged through the water outlet at the bottom of the filter tank and the water outlet below the tank body. Meanwhile, when the rain does not fall, the overflow plate closes the overflow port, and the anti-odor and anti-mosquito effects can be achieved.

The dirt-intercepting hanging basket and the filter layer are arranged in a detachable mode and can be replaced. When the filter screen is replaced, the dirt-intercepting hanging basket, the filter layer and the like can be sequentially removed for replacement, flushing and the like after the grating is disassembled.

Drawings

FIG. 1 is a front view of a non-point source contamination processor;

fig. 2 is a side view of a non-point source contamination handler.

In the figure: the sewage treatment device comprises a box body 1, a grid 2, a filter box 3, an overflow runner 4, a sewage interception hanging basket 5, a water outlet 6, a filter layer 7, an overflow port 8, a water outlet 9, an overflow plate 10 and a concrete cushion layer 11.

Detailed Description

Referring to the non-point source pollution processor shown in fig. 1 and 2, the non-point source pollution processor comprises a cuboid-shaped box body 1 positioned on a concrete cushion layer 11, a grid 2 through which rainwater can pass is detachably arranged at an upper end opening of the box body 1, a cuboid-shaped filter box 3 fixed at the opening of the box body is arranged below the grid, an overflow flow passage 4 is arranged between the outer wall of the filter box and the inner wall of the box body, a conical pollution intercepting hanging basket 5 with a large upper part and a small lower part is detachably arranged at the upper end opening of the filter box, a water outlet 6 is formed at the bottom of the filter box, and an upper multi-layer filter layer 7 and a lower multi-layer filter layer 7 are detachably arranged inside the filter box above the water outlet; four side walls of the upper part of the filter box are provided with overflow ports 8. A water outlet 9 which is communicated with the municipal drainage pipe network is arranged on the side wall of the box body below the filter box.

An overflow plate 10 is arranged outside each overflow port, and the upper part of the overflow plate 10 is hinged with the outer side wall of the filter box. The overflow plate covers the overflow port in a normal state; when the rainwater level in the filter tank exceeds the overflow port, the rainwater pushes the lower part of the overflow plate to swing outwards, and the overflow port is opened.

When the rainwater quantity is not large (medium and small rain) the rainwater passes through the sewage interception hanging basket, the rainwater is filtered by the filter layer (the filter layer is made of multi-medium filter materials). The filtered rainwater is collected into a municipal pipe network through a water outlet. During heavy rain, rainwater in the filter tank rises, and 4 overflow plates positioned around the top of the filter tank automatically open and drain outwards under the action of water power. The overflow port has the function of flood discharge in heavy rain or heavy rain. After heavy rain or heavy rain, the rainwater is reduced, the overflow plate automatically closes the overflow port, and the rainwater is continuously filtered and discharged through the filter layer.

The non-point source rainwater processor is a non-point source pollution device which is arranged at a rainwater inlet of an urban road and is used for treating urban rainwater runoff.

The product can effectively remove pollutants in rainwater through the sewage interception hanging basket and the multi-medium filtration purification. In medium and small rain, the rainwater is filtered by the sewage interception hanging basket and the multi-medium filter bag (filter layer) and then discharged. And when heavy rain, rainwater is smoothly discharged through the overflow port and enters the municipal pipe network through the sewage interception blue.

Claims

1. The non-point source pollution processor comprises a box body and is characterized in that: a filter box is arranged in the box body, an overflow flow channel is arranged between the outer wall of the filter box and the inner wall of the box body, a water outlet hole is formed in the bottom of the filter box, and a filter layer is arranged in the filter box above the water outlet hole; an overflow port is arranged on the side wall of the upper part of the filter box; an overflow plate is arranged outside the overflow port, the upper part of the overflow plate is hinged with the outer side wall of the filter tank, and the overflow plate covers the overflow port in a normal state; when the rainwater level in the filter tank exceeds the overflow port, the rainwater pushes the lower part of the overflow plate to swing outwards, and the overflow port is opened.

2. The non-point source pollution processor of claim 1, wherein: the filter layer can be detachably arranged in the filter box.

3. The non-point source pollution processor of claim 2, wherein: the filter layer has upper and lower layers.

4. The non-point source pollution processor of claim 1, wherein: the sewage interception hanging basket is detachably arranged at the opening of the upper end of the filtering box.

5. The non-point source pollution processor of claim 4, wherein: the sewage interception hanging basket is in a cone shape with a big upper part and a small lower part.

6. The non-point source pollution processor of claim 1, wherein: the box body and the filter box are both cuboid, and overflow ports are formed in four side walls of the upper part of the filter box.