CN220790004U - Interception facility - Google Patents

Abstract

The utility model belongs to the technical field of a intercepting well, and particularly relates to an intercepting facility, which comprises an intercepting well main body, wherein a regulating and storing space for storing water is arranged in the intercepting well main body; a intercepting groove is arranged on the side wall of the storage space, a converging water inlet pipe and an intercepting pipe are arranged at the intercepting groove, the converging water inlet pipe is used for inflow of domestic sewage and rainwater, and the intercepting pipe is communicated with a municipal sewage system; an overflow pipe is further arranged on the side wall of the upper part of the storage space and communicated with the municipal rainwater system; the sewage submersible pump is arranged at the inner bottom of the storage regulating space and is communicated with the municipal sewage system through the pressure water outlet pipe. In the scheme, the intercepting groove and the regulating and accumulating space are arranged on the main body of the intercepting well, so that the overflow pollution control requirement is met, and the occupied area of facilities is reduced as much as possible; the structure is simple, the construction and the construction are convenient, and the later operation and maintenance management work is reduced; the problem of rainwater and sewage mixed connection can be avoided.

Description

Interception facility

Technical Field

The utility model belongs to the technical field of intercepting wells, and particularly relates to an intercepting facility.

Background

The intercepting well is a commonly used structure of a combined drainage system, can realize rain and sewage separation, and is characterized in that sewage enters a sewage pipe network in dry seasons, part of rain and sewage enters the sewage pipe network in rainy seasons, and part of rainwater enters the rainwater pipe network.

The conventional well is provided with a groove, a weir and a groove-weir combination, and an intelligent well with some intelligent control devices is added. The existing intercepting well is often required to control overflow pollution, a regulating reservoir is newly built at the intercepting well, and the regulating and storing facilities are often required to consider factors such as ventilation and deodorization, periodic cleaning and the like, so that the problems of large occupied area and complex later operation and maintenance management exist. In addition, along with the promotion of rain and sewage diversion engineering construction, urban combined drainage areas are increasingly fragmented and distributed, so that more and more scattered intercepting wells and small-sized regulating reservoirs are often required to be constructed for controlling overflow pollution, so that the problems of difficult land preparation and complex later management are more prominent, the traditional intercepting wells are easily influenced by downstream river water backflow, sewage jacking and the like, are difficult to play a role according to design working conditions, are often evolved into a mixed joint in a rain and sewage system, and enable rainwater to enter a sewage pipe network, sewage enters the rainwater pipe network again, and the treatment and management of municipal sewage and rainwater are seriously influenced.

Therefore, it is necessary to design a intercepting facility in which the intercepting well and the regulating reservoir are integrated with each other, so that the occupied area is reduced, and meanwhile, the effective separation of rainwater and sewage is realized.

Disclosure of utility model

In order to solve the problems in the prior art, the scheme provides a shutoff facility.

The technical scheme adopted by the utility model is as follows:

a closure facility comprises a closure well main body, wherein a regulation space for storing water is arranged in the closure well main body; a intercepting groove is arranged on the side wall of the storage space, a converging water inlet pipe and an intercepting pipe are arranged at the intercepting groove, the converging water inlet pipe is used for inflow of domestic sewage and rainwater, and the intercepting pipe is communicated with a municipal sewage system; an overflow pipe is further arranged on the side wall of the upper part of the storage space and communicated with the municipal rainwater system; the sewage submersible pump is arranged at the inner bottom of the storage regulating space and is communicated with the municipal sewage system through the pressure water outlet pipe.

As an alternative or complementary design to the above described shut-off facility: the intercepting groove is arranged on the side wall of the upper portion of the storage adjusting space, the notch of the intercepting groove is higher than the confluence water inlet pipe, and water flow can overflow into the storage adjusting space.

As an alternative or complementary design to the above described shut-off facility: the intercepting groove is perpendicular to the water inlet direction of the confluent water inlet pipe.

As an alternative or complementary design to the above described shut-off facility: the intercepting pipe is arranged at one end of the intercepting pipe in the length direction.

As an alternative or complementary design to the above described shut-off facility: the overflow pipe and the interception groove are respectively arranged on the side walls of the two opposite sides of the storage space.

As an alternative or complementary design to the above described shut-off facility: the top of vatch basin main part is provided with the manhole, and this manhole communicates to regulation space.

As an alternative or complementary design to the above described shut-off facility: and the pressure water outlet pipe is connected with a water outlet valve group in series.

As an alternative or complementary design to the above described shut-off facility: and a liquid level meter is arranged on the side wall of the storage space, and the controller controls the start and stop of the submersible sewage pump according to the liquid level value measured by the liquid level meter.

The beneficial effects of the utility model are as follows:

1. in the scheme, the intercepting groove and the regulating and accumulating space are arranged on the main body of the intercepting well, so that the overflow pollution control requirement is met, and the occupied area of facilities is reduced as much as possible;

2. The closure facility has simple structure, convenient construction and construction, is suitable for popularization and application, and is beneficial to reducing the later operation and maintenance management work;

3. the sewage pump in this scheme can be with the sewage suction in the regulation space to municipal sewage system in, can avoid the facility that intercepts when actual operation, and the operating mode changes, evolves into rainwater and sewage misconnection's problem then.

Drawings

In order to more clearly illustrate the embodiments of the present solution or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is an internal block diagram of a side view of a closure facility in this embodiment;

fig. 2 is a top view of the internal structure of the shutoff device according to the present embodiment.

In the figure: 1-a vatch basin body; 2-converging water inlet pipes; 3-a cutoff tube; 4-a cut-off groove; 5-a pressure water outlet pipe; 6-a water outlet valve group; 7-overflow pipe; 8-a liquid level meter; 9-a submersible sewage pump; 10-manhole; 11-regulation space.

Detailed Description

The technical solutions of the present embodiment will be clearly and completely described below with reference to the accompanying drawings, and the described embodiments are only some embodiments, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any creative effort based on the embodiments of the present embodiment are all within the protection scope of the present solution.

Example 1

As shown in fig. 1 to 2, the present embodiment designs a intercepting facility, which includes a main body 1 of an intercepting well, a converging water inlet pipe 2, an intercepting pipe 3, an intercepting groove 4, a pressure water outlet pipe 5, a water outlet valve group 6, an overflow pipe 7, a liquid level meter 8, a submersible sewage pump 9, an overhaul hole 10 and other structures.

A regulation space 11 for storing water is provided in the intercepting well body 1, and the regulation space 11 is used for collecting and regulating overflows of domestic sewage and rainwater after entering the intercepting well body 1.

The interception groove 4 is arranged on the side wall of the regulation space 11, and specifically: the cutoff groove 4 is provided on the side wall of the upper portion of the storage space 11. The intercepting groove 4 is in a long groove shape and is used for guiding domestic sewage and rainwater when the domestic sewage and the rainwater enter the intercepting well main body 1.

The confluence inlet tube 2 sets up in the interception groove 4 department, the notch of interception groove 4 is higher than confluence inlet tube 2, and confluence inlet tube 2 mainly used domestic sewage and rainwater are to gathering, and domestic sewage and rainwater in the confluence inlet tube 2 can flow in to the vatch basin main part 1. The intercepting groove 4 may be perpendicular to the water inlet direction of the confluent water inlet pipe 2, so as to decelerate the domestic sewage and the rainwater flowing out of the confluent water inlet pipe 2.

The intercepting pipe 3 is also disposed at the intercepting groove 4, and specifically, the intercepting pipe 3 may be disposed at one end of the intercepting groove 4 in the length direction. The intercepting pipe 3 communicates with the municipal sewage system so that the domestic sewage and rainwater in the intercepting groove 4 can flow into the municipal sewage system through the intercepting pipe 3.

The overflow pipe 7 is arranged on the side wall of the upper part of the storage space 11, the overflow pipe 7 and the intercepting groove 4 can be respectively arranged on the side walls of the two opposite sides of the storage space 11, and the overflow pipe 7 is communicated with the municipal rainwater system. When the water overflowed from the diversion trench 4 is accumulated in the storage space 11 to the overflow pipe 7, the upper water in the storage space 11 can flow into the municipal rainwater system through the overflow pipe 7.

The top of vatch basin main part 1 is provided with manhole 10, and this manhole 10 communicates to regulation space 11, and the maintainer can enter into regulation space 11 through manhole 10, carries out the maintenance that the clearance of plug and the inside setting of vatch basin main part 1.

The sewage submersible pump 9 is arranged at the inner bottom of the storage space 11, the sewage submersible pump 9 is communicated with the municipal sewage system through the pressure water outlet pipe 5, the pressure water outlet pipe 5 is connected with the water outlet valve group 6 in series, and the water outlet valve group 6 can adopt an electromagnetic valve or a non-electric control valve with preset opening. The side wall of the storage space 11 is provided with a liquid level meter 8, the controller controls the start and stop of the submersible sewage pump 9 according to the liquid level value measured by the liquid level meter 8, and when the liquid level measured by the liquid level meter 8 exceeds a set value, the controller controls the submersible sewage pump 9 to start, and sewage at the bottom of the storage space 11 is pumped into a municipal sewage system. The controller can adopt a singlechip, an MCU or a PLC.

The shutoff facility in this embodiment is in use:

Dry season working condition:

Domestic sewage, a confluent water inlet pipe 2, a interception tank 4, an interception pipe 3 and a municipal sewage system;

Working condition in rainy season:

1) 1-5 times of rain and sewage mixed water, a confluence water inlet pipe 2, a interception tank 4, an interception pipe 3 and a municipal sewage system;

2) 5-20 times of rain and sewage mixed water, a confluence water inlet pipe 2, an overflow of a diversion trench 4, a regulation space 11, lifting of a post-rain submersible sewage pump 9, a pressure water outlet pipe 5 and a municipal sewage system;

3) More than 20 times of rain and sewage mixed water, a confluence water inlet pipe 2, an overflow of a diversion trench 4, a regulation and storage space 11, an overflow pipe 7 and a municipal rainwater system;

Description: the interception multiple is a divisor, and is specifically selected according to the design. The intercepting multiple is the ratio of the amount of the rainwater trapped in the confluent water inlet pipe 2 in the rainy season to the amount of the drought sewage.

In the structure of this embodiment, the design of adding the regulation space 11 and the flow interception groove 4 in the intercepting well main body 1 can reduce the land area by more than 50% compared with the traditional design mode that the intercepting well and the regulation tank are adjacently built, and the engineering floor property is increased. The liquid level condition in the storage space 11 can be fed back in real time, so that the separation of the flow combining pipe, the rainwater pipe and the sewage pipe is clearer, and the problems of river water backflow, sewage jacking and the like are easier to identify and find through liquid level data and are treated in time. The design of adding the regulation space 11 in the intercepting well is also suitable for the engineering background of increasingly fragmented current municipal confluence drainage areas, the engineering needs can be met by using the smaller regulation space 11, the cleaning system is reduced, and the complexity and cost of subsequent operation and maintenance work are reduced.

The above examples are presented for the purpose of illustration only and are not intended to be limiting of the embodiments; it is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present technology.

Claims (8)

1. A closure apparatus, characterized by: comprises a main body (1) of a intercepting well, wherein a regulating and storing space (11) for storing water is arranged in the main body (1) of the intercepting well; a intercepting groove (4) is formed in the side wall of the storage space (11), a converging water inlet pipe (2) and an intercepting pipe (3) are arranged at the intercepting groove (4), the converging water inlet pipe (2) is used for inflow of domestic sewage and rainwater, and the intercepting pipe (3) is communicated with a municipal sewage system; an overflow pipe (7) is further arranged on the side wall of the upper part of the storage space (11), and the overflow pipe (7) is communicated with the municipal rainwater system; the inner bottom of the regulation space (11) is provided with a submersible sewage pump (9), and the submersible sewage pump (9) is communicated with a municipal sewage system through a pressure water outlet pipe (5).

2. The shutoff device of claim 1, wherein: the intercepting groove (4) is arranged on the side wall of the upper portion of the regulating and accumulating space (11), the notch of the intercepting groove (4) is higher than the converging water inlet pipe (2), and water flow can overflow into the regulating and accumulating space (11).

3. The shutoff device of claim 2, wherein: the intercepting groove (4) is perpendicular to the water inlet direction of the converging water inlet pipe (2).

4. The shutoff device of claim 2, wherein: the intercepting pipe (3) is arranged at one end of the intercepting groove (4) in the length direction.

5. The shutoff device of claim 2, wherein: the overflow pipe (7) and the interception groove (4) are respectively arranged on the side walls of the two opposite sides of the regulation space (11).

6. The shutoff device of claim 1, wherein: the top of vatch basin main part (1) is provided with manhole (10), and this manhole (10) communicate to regulation space (11).

7. The shutoff device of any of claims 1-6, wherein: the pressure water outlet pipe (5) is connected with a water outlet valve group (6) in series.

8. The shutoff apparatus of claim 7, wherein: a liquid level meter (8) is arranged on the side wall of the storage space (11), and the controller controls the start and stop of the submersible sewage pump (9) according to the liquid level value measured by the liquid level meter (8).