CN211690686U

CN211690686U - Intercepting well device for rainwater drainage port

Info

Publication number: CN211690686U
Application number: CN201922362287.3U
Authority: CN
Inventors: 孔繁星; 艾庆华; 马晟; 刘标; 付雄
Original assignee: Wisdri Engineering and Research Incorporation Ltd; Wisdri Urban Construction Engineering Technology Co Ltd
Current assignee: Wisdri Engineering and Research Incorporation Ltd; Wisdri Urban Construction Engineering Technology Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-10-16
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses an intercepting well device for a rainwater drainage port, which comprises an intercepting well body, a water inlet pipe, a water outlet pipe, a submersible sewage pump and a sewage receiving well body, wherein the water inlet pipe is communicated with the original rainwater drainage port or a pipe network; the water inlet pipe and the water outlet pipe are both arranged at the upper part of the intercepting well body and are respectively communicated with the inside of the intercepting well body; the bottom of the intercepting well body is provided with a submersible sewage pump, and the outlet of the submersible sewage pump is communicated with the sewage containing well body through a sewage discharge pipeline. The utility model has the advantages that: the utility model can effectively intercept the fine day sewage and initial rainwater flowing through the rainwater drainage port, and also has the interception function to the highly polluted inlet water; and simultaneously, by utilizing the interlocking control among the sensors, the liquid level meter and the PLC, the high-pollution incoming water is automatically intercepted according to the quality of the incoming water and the capacity of a downstream sewage receiving pipe network, the intercepted water quantity is dynamically adjusted, and unattended operation is realized.

Description

Intercepting well device for rainwater drainage port

Technical Field

The utility model relates to a sponge city rainwater processing technology field, concretely relates to vatch basin device for mouth is arranged to rainwater.

Background

"black odor is in water, the root is on the bank, the key is at the discharge outlet, the core is in the pipe network". In order to build a sponge city, black and odorous river treatment is well done, and the method is mainly used for controlling sources and intercepting sewage. At present, in the treatment process of black and odorous water, the rainwater and sewage mixed flow condition of a rainwater drainage port in the water is serious, so that the water is polluted and even partially black and odorous. According to related data, from the category of mixed flow sewage, the mixed flow point is often the mixed flow of the sewage in industrial plants and rainwater, the mixed flow of the water used in construction sites and rainwater, and the mixed flow of the domestic sewage of residents and rainwater, which are mainly caused by the staggered connection of upstream rainwater and sewage pipe sections. In addition, the initial rainwater pollution has the characteristics of wide distribution, multiple pollution ways, complex pollution components, unstable water quality and the like. The main pollution sources are rainwater washing the earth surface and the roof to form runoff, sludge deposited in the rainwater pipe for a long time is discharged along with the rainwater, catering wastewater and domestic wastewater are directly poured into the rainwater grate, pavement cleaning wastewater and the like. The rainwater at the initial stage of high concentration is discharged into the water body along with the rainwater discharge port at every rainfall, so that the water body is polluted, and the water quality can not reach the standard.

In urban built-up areas, mixed flow sewage and initial rainwater cannot be completely consumed at the source due to constraints of terrain, urban planning and the like. Considering the construction cost and the convenient maintenance, the comprehensive comparison shows that the closure measures are often a mode with quick effect and low cost in the rainwater drainage opening construction. Therefore, it is important to find a closure structure for the rainwater drainage outlet.

Disclosure of Invention

An object of the utility model is to provide a can effectively cut off clear day sewage and the initial stage rainwater of flowing through rainwater row mouth to the not enough of prior art, intake to high pollution and all have the vatch basin device that is used for rainwater row mouth of damming effect.

The technical scheme of the utility model is that: a catch basin device for rainwater drainage port, including the body of the catch basin, inlet tube, discharging tube, submersible sewage pump and accepting the sewage well body, the said inlet tube is communicated with original rainwater drainage port or pipe network; the water inlet pipe and the water outlet pipe are both arranged at the upper part of the intercepting well body and are respectively communicated with the inside of the intercepting well body; the bottom of the intercepting well body is provided with a submersible sewage pump, and the outlet of the submersible sewage pump is communicated with the sewage containing well body through a sewage discharge pipeline.

According to the scheme, the intercepting well device is additionally provided with a PLC (programmable logic controller) and a COD (chemical oxygen demand) water quality sensor connected with the PLC, wherein the COD water quality sensor is arranged in the intercepting well body and is positioned below the normal water level of the intercepting well body and used for monitoring the COD of the self-sinking water body in the intercepting well body; the PLC is also connected with the submersible sewage pump to control the on and off of the submersible sewage pump.

According to the scheme, the first liquid level meter connected with the PLC is additionally arranged in the intercepting well body, and the first liquid level meter is used for monitoring the liquid level of the intercepting well body.

According to the scheme, the first liquid level meter can be an ultrasonic liquid level meter.

According to the scheme, the sewage discharge pipeline is additionally provided with the flow meter for monitoring the sewage flow.

According to the scheme, a second liquid level meter for monitoring the liquid level of the received sewage well is additionally arranged in the received sewage well body and is connected with the PLC.

According to the scheme, the second liquid level meter is a drop-in type liquid level meter.

The utility model has the advantages that:

1. the utility model can effectively intercept the fine day sewage and initial rainwater flowing through the rainwater drainage port, and also has the interception function to the highly polluted inlet water; simultaneously, by utilizing the interlocking control among the sensors, the liquid level meter and the PLC, the high-pollution incoming water is automatically intercepted according to the quality of the incoming water and the capacity of a downstream sewage receiving pipe network, the intercepted water quantity is dynamically adjusted, and unattended operation is realized, so that the intercepting efficiency of the high-pollution incoming water in the rainwater drainage port is improved, and the later maintenance cost is effectively reduced; each monitoring data can be shared to a water environment treatment platform and used as long-term water quality monitoring data of each discharge port;

2. the intercepting well device in the utility model can be directly connected with the current situation rainwater drainage port, the occupied area is small, and the construction is simple; through the pump drainage of immersible pump, can be regardless of the difference in height between current situation rainwater, the sewage pipeline to effectively prevent sewage refluence to rainwater row mouth.

Drawings

Fig. 1 is a schematic plan view of an embodiment of the present invention.

Fig. 2 is a schematic sectional view taken along line a-a of fig. 1.

Fig. 3 is a schematic sectional view taken along line B-B of fig. 1.

Fig. 4 is a schematic cross-sectional view of fig. 3 taken along line C-C.

Wherein: 1. a water inlet pipe; 2, a COD water quality sensor; 3. a submersible sewage pump; 4. a first liquid level meter; 5. a flow meter; 6, a PLC controller; 7. a water outlet pipe; 8. a second level gauge; 9. a shut-off well body; 10. a sewage receiving well body.

Detailed Description

For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings.

The intercepting well device for the rainwater drainage port comprises an intercepting well body 9, a water inlet pipe 1, a water outlet pipe 7, a submersible sewage pump 3 and a sewage receiving well body 10, wherein the water inlet pipe 1 is communicated with an original rainwater drainage port or a pipe network, and the water outlet pipe 7 is connected to a newly-built rainwater drainage port or a rear-end pipe network (water can be directly drained through the water outlet pipe 7); the water inlet pipe 1 and the water outlet pipe 7 are both arranged at the upper part of the intercepting well body 9 and are respectively communicated with the inside of the intercepting well body 9; the bottom of the intercepting well body 9 is provided with a submersible sewage pump 3, and the outlet of the submersible sewage pump 3 is communicated with the sewage containing well body through a sewage discharge pipeline.

In the embodiment, the water inlet pipe 1 can be adjusted according to the size of the drainage port and the size of the original rainwater pipe, so that the water inlet pipe is in seamless butt joint with the rainwater drainage port; the incoming water at the upstream of the rainwater drainage port enters from the rainwater drainage port, and the incoming water at the upstream flows to the lower part of the intercepting well body 9 by gravity.

Preferably, the intercepting well device is also additionally provided with a PLC (programmable logic controller) 6 and a COD (chemical oxygen demand) water quality sensor 2 connected with the PLC 6, wherein the COD water quality sensor 2 is arranged in the intercepting well body 9 and is positioned below the normal water level of the intercepting well body 9 and is used for monitoring the COD of the self-sinking water body in the intercepting well body 9; the PLC 6 is also connected with the submersible sewage pump 3 and controls the submersible sewage pump 3 to be opened and closed. Preferably, a first liquid level meter 4 connected with the PLC 6 is additionally arranged in the intercepting well body 9, and the first liquid level meter 4 is used for monitoring the liquid level of the intercepting well body 9; the first level gauge 4 may be an ultrasonic level gauge. In this embodiment, the COD water quality sensor 2, the submersible sewage pump 3, and the first level meter 4 are all existing devices.

Preferably, a flow meter 5 for monitoring the flow of the sewage is added on the sewage discharge pipeline.

Preferably, a second liquid level meter 8 connected with the PLC 6 is additionally arranged in the received sewage well body 10 and used for monitoring the liquid level of the received sewage well; the second liquid level meter 8 is a drop-in type liquid level meter.

In the embodiment, a high liquid level threshold value, a low liquid level threshold value and a COD preset value of the intercepting well body 9 are arranged in the PLC 6, and the high liquid level threshold value, the low liquid level threshold value and the COD preset value are designed according to the industrial requirements and the actual needs; the rated flow and the lift of the submersible sewage pump 3 are determined according to the initial rainwater amount at the rainwater discharge port and the requirement of a drainage head, and a variable frequency water pump is selected; the sizes of the water inlet pipe 1 and the water outlet pipe 7 are determined according to the actual size of the discharge port, and are not described in detail herein.

The utility model discloses a theory of operation does: after fine day sewage and initial rainwater in upstream incoming water enter the intercepting well body 9 through the water inlet pipe 1 and sink by itself, if the COD water quality sensor 2 monitors that COD in the water body in the intercepting well body 9 exceeds a COD preset value, and when the ultrasonic liquid level meter monitors that the liquid level in the intercepting well body 9 is higher than a high liquid level threshold value (namely, the pump-up liquid level in the figure), the PLC 6 controls the submersible sewage pump 3 to be started (the submersible sewage pump 3 is in a closed state initially), the self-sinking water body in the intercepting well body 9 is pumped and discharged to a sewage receiving well, and the submersible sewage pump 3 is closed until the ultrasonic liquid level meter monitors that the liquid level in the intercepting well body 9 is lower than a low liquid level threshold value; the later stage rainwater of the upstream incoming water is directly discharged through the water outlet pipe 7. The PLC 6 is internally provided with a liquid level upper limit value of the received sewage well, when the second liquid level meter 8 measures that the water level in the received sewage well exceeds the liquid level upper limit value of the received sewage well, the submersible sewage pump 3 stops pumping and draining the water body, and when the water body in the received sewage well falls below the liquid level upper limit value of the received sewage well, pumping and draining are carried out.

The utility model discloses in, PLC controller 6's operating logic is confirmed according to rainwater row mouth play water quality of water requirement, receives under the smooth and easy condition of sewer pipe network drainage in the assurance low reaches, dams the relatively poor upstream of pump drainage quality of water and comes water (fine day sewage and initial stage rainwater), reaches the purpose that intelligence was held back. If faults and errors occur, the PLC 6 can automatically analyze the reasons of the errors and timely send error data and equipment conditions to related maintenance personnel. The monitored water quality, water level data and the like can be transmitted to a remote platform in real time and are linked with the intelligent water environment platform.

It should be noted that the above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced with equivalents, but any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A catch basin device for rainwater drainage, wherein including the body of the catch basin, inlet tube, discharging tube, stealthily dirty pump and accepting the sewage well, the said inlet tube is communicated with original rainwater drainage or pipe network; the water inlet pipe and the water outlet pipe are both arranged at the upper part of the intercepting well body and are respectively communicated with the inside of the intercepting well body; the bottom of the intercepting well body is provided with a submersible sewage pump, and the outlet of the submersible sewage pump is communicated with the sewage containing well body through a sewage discharge pipeline.

2. The intercepting well device for the rainwater drainage port according to claim 1, wherein a PLC controller and a COD water quality sensor connected to the PLC controller are further added to the intercepting well device, and the COD water quality sensor is disposed in the intercepting well body and below a normal water level of the intercepting well body, and is used for monitoring COD of the self-sinking water body in the intercepting well body; the PLC is also connected with the submersible sewage pump to control the on and off of the submersible sewage pump.

3. The intercepting well device for the rainwater drainage port according to claim 2, wherein a first liquid level meter connected with the PLC controller is added in the intercepting well body, and the first liquid level meter is used for monitoring the liquid level of the intercepting well body.

4. The intercepting well device for a rainwater drain according to claim 3, wherein said first level gauge may be an ultrasonic level gauge.

5. The intercepting well device for a rainwater drainage according to claim 2, wherein a flow meter for monitoring a flow rate of sewage is added to the sewage discharging pipeline.

6. The intercepting well device for the rainwater drainage port according to claim 2, wherein a second level gauge for monitoring a liquid level of the receiving sewer well is additionally provided in the receiving sewer well, and the second level gauge is connected with the PLC controller.

7. The intercepting well device for a rainwater drain of claim 6 wherein said second liquid level is a drop-in level gauge.