CN216552317U - Automatic vatch basin and inlet for stom water self-purification device of control distribution of rain and sewage - Google Patents

Abstract

The utility model discloses an intercepting well for automatically controlling rainwater and sewage separation and a rainwater inlet self-purification device, wherein the intercepting well comprises a sewage pipe, a confluence water inlet pipe, a confluence water outlet pipe, a well body and a well cover, the sewage pipe, the confluence water inlet pipe and the confluence water outlet pipe are respectively communicated with an inner cavity of the well body, the height of a pipe orifice of the confluence water inlet pipe in the inner cavity of the well body is not lower than that of the pipe orifice of the confluence water outlet pipe, the height of the pipe orifice of the sewage pipe is lower than that of the pipe orifice of the confluence water outlet pipe, the upper part of the pipe orifice of the sewage pipe and the lower part of the pipe orifice of the confluence water outlet pipe are partially overlapped in height, so that when the water level of rainwater and sewage is positioned at the upper part of the pipe orifice of the sewage pipe, the sewage pipe and the confluence water outlet pipe can both drain, and the pipe orifice of the sewage pipe is provided with a ball float valve. The rainwater and sewage separation system can reasonably distribute the rainwater and sewage through the catch basin, can monitor the water quality of the tail end of the backflow pipe, improves the rainwater and sewage separation efficiency and avoids point source pollution in an environment-friendly mode, and is long in service cycle, low in cost and obvious in effect.

Description

Automatic vatch basin and inlet for stom water self-purification device of control distribution of rain and sewage

Technical Field

The utility model relates to the technical field of municipal drainage, in particular to a catch basin capable of automatically controlling rainwater and sewage separation and a rainwater inlet self-cleaning device.

Background

Along with the acceleration of industrialization and urbanization in China, the eutrophication degree of water bodies in rivers and lakes of cities is increasingly intensified, and the living and production of people are seriously influenced. Two main causes of water pollution are: non-point source contamination. The non-point source pollution mostly refers to pollutants released by bottom mud, and an important link of the point source pollution is a sewage discharge outlet. The most difficult and complicated part in water environment treatment is exactly, so how to simply and effectively improve the sewage interception effect is an urgent problem to be solved. The rainwater inlet is a structure for collecting sewage on a rainwater pipe duct or a confluence pipe duct, and the sewage on the road surface can be discharged into an underground pipeline from the rainwater inlet. Therefore, to realize the pollution discharge control, a sewage interception branch should be arranged at the rainwater inlet. At present, one common mode in domestic and foreign sewage interception areas is to arrange an interception type combined flow system drainage system, which has the advantages of strong operability, small investment and quick response, but has various defects and problems, such as serious sewage dilution, difficulty in design and remote operation caused by high river water level, difficulty in controlling interception amount and the like, and is worthy of attention of urban builders.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model aims to provide the intercepting well for automatically controlling the distribution of rain and sewage and the rainwater inlet self-purification device, which can reasonably distribute the rain and sewage through the intercepting well, monitor the water quality at the tail end of the gravity flow pipe, improve the rain and sewage separation efficiency and avoid point source pollution in an environment-friendly mode, and have long service cycle, low cost and obvious effect.

In order to achieve the purpose, the utility model provides a catch basin capable of automatically controlling rainwater and sewage separation, which comprises a sewage pipe, a confluence water inlet pipe, a confluence water outlet pipe, a well body and a well cover, wherein the well body is arranged underground, the well cover is a cover matched with the well body, the well cover is flush with the ground, the sewage pipe, the confluence water inlet pipe and the confluence water outlet pipe are respectively communicated with an inner cavity of the well body, the height of a pipe orifice of the confluence water inlet pipe in the inner cavity of the well body is not lower than that of the pipe orifice of the confluence water outlet pipe, the height of the pipe orifice of the sewage pipe is lower than that of the pipe orifice of the confluence water outlet pipe, the upper part of the pipe orifice of the sewage pipe and the lower part of the pipe orifice of the confluence water outlet pipe are partially overlapped in height, so that the sewage pipe and the confluence water outlet pipe can both drain water when the water level of rainwater and sewage is positioned at the upper part of the pipe orifice of the sewage pipe, and a floating ball valve is arranged at the pipe orifice of the sewage pipe.

In the scheme, the method comprises the following steps: the nominal diameter of the confluence water inlet pipe is the same as that of the confluence water outlet pipe, and the pipe orifice of the confluence water inlet pipe and the pipe orifice of the confluence water outlet pipe are at the same height. The confluence water inlet pipe and the confluence water outlet pipe have the same specification, so that the production is convenient; the two pipes are same in height, and grooves with the same depth can be conveniently excavated for pipe arrangement.

In the scheme, the method comprises the following steps: the nominal diameter of the sewage pipe is 200mm, and the pipe orifice of the sewage pipe is arranged at the position 400mm away from the bottom of the inner cavity of the well body. When the water level of the rain sewage in the intercepting well is higher than 300mm and the floating ball valve is not closed, the rain sewage can be discharged into a sewage treatment plant through a sewage pipe, and the sewage pipe is smaller in nominal diameter and suitable for being communicated with a small sewage treatment plant.

In the scheme, the method comprises the following steps: the nominal diameter of the sewage pipe is 400mm, and the pipe orifice of the sewage pipe is arranged at the height of 500mm away from the bottom of the inner cavity of the well body. When the water level of the rain sewage in the intercepting well is higher than 300mm and the floating ball valve is not closed, the rain sewage can be discharged into a sewage treatment plant through a sewage pipe, and the sewage pipe is large in nominal diameter and suitable for being communicated with a large sewage treatment plant.

The utility model also provides a rainwater inlet self-purification device, which comprises a confluence pipe for communicating a rainwater inlet with a river, wherein a plurality of inspection wells are arranged on the confluence pipe along the line, the intercepting well is communicated on the confluence pipe through a confluence water inlet pipe and a confluence water outlet pipe, the confluence water inlet pipe is in the rainwater and sewage inflow direction, the confluence water outlet pipe is in the rainwater and sewage outflow direction, a sewage pipe of the intercepting well is communicated with a sewage treatment plant, a water quality monitoring and alarming device is arranged in the last inspection well on the confluence pipe along the line, a sewage drainage channel for communicating the confluence pipe with a rainwater collection wet pond is arranged in the last inspection well on the confluence pipe along the line, a sewage drainage opening and closing device is arranged at a water inlet of the sewage drainage channel in the inspection wells, when the sewage drainage opening and closing device is closed, the rainwater is discharged into the river through the confluence pipe, when the sewage drainage opening and closing device is opened, rain sewage is discharged into the rainwater collection wet pond through the sewage drainage channel.

In the scheme, the method comprises the following steps: the water quality monitoring and alarming device comprises a floating ball type monitor and an alarm, wherein the floating ball type monitor is used for monitoring dissolved oxygen DO and transparency of the rainwater and sewage, the alarm is electrically connected with the floating ball type monitor, and when the floating ball type monitor monitors that the dissolved oxygen of the rainwater and sewage is less than 2mg/L and the transparency is less than 0.5m, the alarm can automatically alarm. When the dissolved oxygen is less than 2mg/L and the transparency is less than 0.5m, the initial rainwater has poor water quality and cannot be directly discharged into the river, the initial rainwater needs to be discharged into a rainwater collection wet pond first, and then the initial rainwater is converged into the surface water body after the water quality is obviously improved through precipitation and wetland biological purification, so that the point source pollution of the river water body is effectively avoided.

In the scheme, the method comprises the following steps: the sewage drainage opening and closing device is in wireless connection with external electronic equipment or cloud equipment through a signal receiving end, and external intelligent control is achieved. The administrator can freely open and close the sewage drainage opening and closing device.

In the scheme, the method comprises the following steps: the water quality monitoring and alarming device adopts a floating ball type solar power supply monitoring system, the power supply integrated system adopts a one-stop outdoor cabinet, and the power supply adopts double-wing rod type monocrystalline silicon solar energy.

The utility model has the beneficial effects that:

1. in sunny days, the water level in the intercepting well is lower than the lower end of the orifice of the confluence water outlet pipe, the buoyancy of the water body is smaller, the ball float valve is in an open state, all the water is sewage, all the water enters a municipal sewage pipe, and the tail end of the water enters a sewage treatment plant; in the early stage of rainfall, the water level rises slowly, the water level in the intercepting well is positioned at the upper part of the pipe orifice of the sewage pipe, the ball float valve is in a half-open state, the water body contains more sewage, most of water enters the sewage pipe, the tail end of the water enters a sewage treatment plant, and a small amount of water enters the confluence water outlet pipe to share the pressure of the sewage pipe; in the middle and later periods of rainfall, the water level rises rapidly, the water level in the intercepting well is higher than the upper end of the pipe orifice of the sewage pipe, the buoyancy of the water body is larger, the ball float valve is in a closed state, most of the water body is rainwater, and all water enters the confluence pipe and is discharged to a river; the intercepting well realizes the opening and closing of the ball float valve by using the buoyancy of the water body, thereby realizing the reasonable diversion of rainwater and sewage, preventing most rainwater from entering a sewage treatment plant to cause the paralysis of the sewage treatment plant, improving the separation efficiency of the rainwater and sewage in an environment-friendly way and avoiding point source pollution;

2. the rainwater mouth self-purification device can monitor the water quality of the tail end of the inflow pipe, when the rainwater and sewage quality of the rainwater to be discharged into the river exceeds the standard, the system can automatically alarm, at the moment, an administrator can freely open and close the sewage drainage opening and closing device according to actual conditions, rainwater and sewage mixed water can be discharged into a rainwater collection wet pond through the sewage drainage channel, and then discharged into the river after sedimentation and wetland biological purification, so that point source pollution of the water body is avoided, and the damage of the sewage to the ecological environment is further reduced.

Drawings

FIG. 1 is a schematic diagram of a catch well with a float valve open.

Fig. 2 is a schematic view of the vatch well with the float valve closed.

Detailed Description

Referring to fig. 1-2, a catch basin for automatically controlling the distribution of rain and sewage, wherein the direction of the arrow indicates the direction of the rain and sewage discharged into the river, mainly comprises a sewage pipe 1, a confluent water inlet pipe 2, a confluent water outlet pipe 3, a basin body 4 and a basin cover. The well body 4 is arranged underground, the well cover is a cover matched with the well body 4, and the well cover is flush with the ground. Sewage pipe 1, confluence inlet tube 2 and confluence outlet pipe 3 communicate with the inner chamber of the well body 4 respectively, the mouth of pipe height of confluence inlet tube 2 is not less than the mouth of pipe height of confluence outlet pipe 3 in the inner chamber of the well body 4, and the mouth of pipe height of sewage pipe 1 is less than the mouth of pipe height of confluence outlet pipe 3, 1 orificial upper portion of sewage pipe and 3 orificial lower parts of confluence outlet pipe have partial coincide in height, thereby ensure when the water level of sewage is located 1 orificial upper portion of sewage pipe, sewage pipe 1 and confluence outlet pipe 3 homoenergetic are discharged, the mouth of pipe of sewage pipe 1 is equipped with ball-cock assembly 5, ball-cock assembly 5 is used for controlling the orificial opening and closing of sewage pipe 1.

The nominal diameter of the confluence water inlet pipe 2 is the same as that of the confluence water outlet pipe 3, and the pipe orifice of the confluence water inlet pipe 2 and the pipe orifice of the confluence water outlet pipe 3 are at the same height. The confluence water inlet pipe 2 and the confluence water outlet pipe 3 have the same specification, so that the production is convenient; the two pipes are same in height, and grooves with the same depth can be conveniently excavated for pipe arrangement.

Preferably, the nominal diameter of the sewer pipe 1 is 200mm, and the mouth of the sewer pipe 1 is arranged at a height of 400mm from the bottom of the inner cavity of the well body 4. When the water level of the rain sewage in the intercepting well is higher than 300mm and the ball float valve 5 is not closed, the rain sewage can be discharged into a sewage treatment plant through the sewage pipe 1, and the sewage pipe 1 is smaller in nominal diameter and suitable for being communicated with a small sewage treatment plant.

Preferably, the sewage pipe 1 has a nominal diameter of 400mm, and the mouth of the sewage pipe 1 is arranged at a height of 500mm from the bottom of the inner cavity of the well body 4. When the water level of the rain sewage in the intercepting well is higher than 300mm and the ball float valve 5 is not closed, the rain sewage can be discharged into a sewage treatment plant through the sewage pipe 1, and the sewage pipe 1 has a large nominal diameter and is suitable for being communicated with a large sewage treatment plant.

The working process of the intercepting well is as follows:

in sunny days, the water level in the intercepting well is lower than the lower end of the pipe orifice of the confluence water outlet pipe 3, the buoyancy of the water body is smaller, the ball float valve 5 is in an open state, all the water is sewage, all the water enters the municipal sewage pipe 1, and the tail end of the water enters a sewage treatment plant;

in the early stage of rainfall, the water level rises slowly, the water level in the intercepting well is positioned at the upper part of the pipe orifice of the sewage pipe 1, the ball float valve 5 is in a half-open state, the water body contains more sewage, most of water enters the sewage pipe 1, the tail end of the water enters a sewage treatment plant, and a small amount of water enters the confluence water outlet pipe 3 to share the pressure of the sewage pipe 1;

in the middle and later periods of rainfall, the water level rises rapidly, the water level in the intercepting well is higher than the upper end of the pipe orifice of the sewage pipe 1, the buoyancy of the water body is larger, the ball float valve 5 is in a closed state, most of the water body is rainwater, and all water enters the confluence pipe and is discharged into a river.

A self-cleaning device for a rainwater inlet comprises a main body which is a confluence pipe for communicating the rainwater inlet with a river, wherein a plurality of inspection wells are arranged on the edge line of the confluence pipe. The vatch basin is put through on the confluence pipe through confluence inlet tube 2 and confluence outlet pipe 3 switch-on, and confluence inlet tube 2 is the inflow direction of rain sewage, and confluence outlet pipe 3 is the outflow direction of rain sewage, and the sewage pipe 1 and the sewage treatment plant intercommunication of vatch basin. A water quality monitoring and alarming device is arranged in the penultimate inspection well along the confluence pipe, a sewage drainage channel for communicating the confluence pipe with a rainwater collection wet pond is arranged in the last inspection well along the confluence pipe, and a sewage drainage opening and closing device is arranged at a water inlet of the sewage drainage channel in the inspection well. When the sewage drainage opening and closing device is closed, rain sewage is discharged into a river through the confluence pipe, and when the sewage drainage opening and closing device is opened, the rain sewage is discharged into the rainwater collection wet pond through the sewage drainage channel.

Preferably, the water quality monitoring and alarming device comprises a floating ball type monitor and an alarm, wherein the floating ball type monitor is used for monitoring dissolved oxygen DO and transparency of the rainwater sewage, the alarm is electrically connected with the floating ball type monitor, and the alarm can automatically alarm when the floating ball type monitor monitors that the dissolved oxygen of the rainwater sewage is less than 2mg/L and the transparency is less than 0.5 m. When the dissolved oxygen is less than 2mg/L and the transparency is less than 0.5m, the initial rainwater has poor water quality and cannot be directly discharged into the river, the initial rainwater needs to be discharged into a rainwater collection wet pond first, and then the initial rainwater is converged into the surface water body after the water quality is obviously improved through precipitation and wetland biological purification, so that the point source pollution of the river water body is effectively avoided.

Preferably, the sewage drainage opening and closing device is in wireless connection with external electronic equipment or cloud equipment through a signal receiving end, so that external intelligent control is realized. The administrator can freely open and close the sewage drainage opening and closing device.

Preferably, the water quality monitoring and alarming device adopts a floating ball type solar power supply monitoring system, the power supply integration system adopts a one-stop outdoor cabinet, and the power supply adopts double-wing rod type monocrystalline silicon solar energy.

Claims (8)

1. The utility model provides an automatic catch basin of control distribution of rain and sewage, includes sewage pipe (1), confluence inlet tube (2), confluence outlet pipe (3), the well body (4) and well lid, its characterized in that: sewage pipe (1), confluence inlet tube (2) and confluence outlet pipe (3) communicate with the inner chamber of the well body (4) respectively, in the inner chamber of the well body (4) the mouth of pipe height of confluence inlet tube (2) is not less than the mouth of pipe height of confluence outlet pipe (3), just the mouth of pipe height of sewage pipe (1) is less than the mouth of pipe height of confluence outlet pipe (3), and there is partial coincide on the height in the orificial upper portion of sewage pipe (1) and the orificial lower part of confluence outlet pipe (3) to ensure that when the water level of rain sewage is located the orificial upper portion of sewage pipe (1), sewage pipe (1) and confluence outlet pipe (3) homoenergetic are discharged, the mouth of pipe of sewage pipe (1) is equipped with ball-cock assembly (5).

2. The catch basin for automatically controlling distribution of rainwater and sewage according to claim 1, wherein: the nominal diameter of the confluence water inlet pipe (2) is the same as that of the confluence water outlet pipe (3), and the pipe orifice of the confluence water inlet pipe (2) and the pipe orifice of the confluence water outlet pipe (3) are at the same height.

3. The catch basin for automatically controlling distribution of rainwater and sewage according to claim 1, wherein: the nominal diameter of the sewage pipe (1) is 200mm, and the pipe orifice of the sewage pipe (1) is arranged at a position 400mm away from the bottom of the inner cavity of the well body (4).

4. The catch basin for automatically controlling distribution of rainwater and sewage according to claim 1, wherein: the nominal diameter of the sewage pipe (1) is 400mm, and the pipe orifice of the sewage pipe (1) is arranged at the position 500mm away from the bottom of the inner cavity of the well body (4).

5. The utility model provides a gutter inlet self-purification device, includes the confluence pipe with gutter inlet and river intercommunication, the confluence pipe is provided with many places inspection shaft, its characterized in that along the line: the catch basin according to any of claims 1-4, wherein the catch basin is connected to a junction pipe by means of a junction inlet pipe (2) and a junction outlet pipe (3), the confluence water inlet pipe (2) is the inflow direction of the rainwater and sewage, the confluence water outlet pipe (3) is the outflow direction of the rainwater and sewage, a sewage pipe (1) of the intercepting well is communicated with a sewage treatment plant, a water quality monitoring and alarming device is arranged in the penultimate inspection well along the confluence pipe, the last inspection well along the confluence pipe is provided with a sewage drainage channel for communicating the confluence pipe with the rainwater collection wet pond, a sewage drainage opening and closing device is arranged at a water inlet of the sewage drainage channel in the inspection well, when the sewage drainage opening and closing device is closed, rain sewage is discharged into a river through the confluence pipe, and when the sewage drainage opening and closing device is opened, the rain sewage is discharged into the rainwater collection wet pond through the sewage drainage channel.

6. The gully self-cleaning device of claim 5, wherein: the water quality monitoring and alarming device comprises a floating ball type monitor and an alarm, wherein the floating ball type monitor is used for monitoring dissolved oxygen DO and transparency of the rainwater and sewage, the alarm is electrically connected with the floating ball type monitor, and when the floating ball type monitor monitors that the dissolved oxygen of the rainwater and sewage is less than 2mg/L and the transparency is less than 0.5m, the alarm can automatically alarm.

7. The gully self-cleaning device of claim 5, wherein: the sewage drainage opening and closing device is in wireless connection with external electronic equipment or cloud equipment through a signal receiving end, and external intelligent control is achieved.

8. The gully self-cleaning device of claim 5, wherein: the water quality monitoring and alarming device adopts a floating ball type solar power supply monitoring system, the power supply integrated system adopts a one-stop outdoor cabinet, and the power supply adopts double-wing rod type monocrystalline silicon solar energy.

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