CN213062349U

CN213062349U - Sewage transfer pump well

Info

Publication number: CN213062349U
Application number: CN202021580417.7U
Authority: CN
Inventors: 曾瑜
Original assignee: Xiamen Zhongchengxin Ecological Environment Co ltd
Current assignee: Xiamen Zhongchengxin Ecological Environment Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-04-27
Anticipated expiration: 2030-08-03

Abstract

The utility model discloses a sewage transfer pump well, which comprises a pump well main body and an ejector; a water flow channel is arranged on one side of the bottom of the pump well main body; a water inlet and a water outlet are respectively formed in the pump well main bodies at the two ends of the water flow channel; a water storage tank is arranged at the bottom of the pump well main body on the side of the water flow channel; the bottom of the water storage tank is lower than the bottom of the water flow channel; the upper end of the water flow channel is provided with a groove communicated with the water storage tank; the ejector is arranged in the water storage tank; the outlet of the outlet pipe of the ejector is positioned at the water outlet; the outflow direction of the outflow pipe is the same as the outflow direction of the water outlet, and the stored water in the water storage tank is absorbed by the ejector and is ejected out of the outflow pipe to improve the water flow speed on the water flow channel; the utility model discloses a on the basis of current pipe network, both can guarantee sewage treatment plant biochemical oxygen demand concentration of intaking, can guarantee again that rainy day does not have the deposit and discharges into the water, keeps the water clean, and the input cost is low.

Description

Sewage transfer pump well

Technical Field

The utility model relates to a municipal administration drainage facility technical field, specific sewage is defeated pump well that says so.

Background

Along with the development of urban economy and society and the continuous increase of urban scale, the urban water discharge is also continuously increased, and the long-term investment of the existing urban infrastructure construction is insufficient, so that the sewage is directly discharged into a rainwater pipeline or a mixed pipeline, and the pipeline is easy to have uneven settlement after being overhauled for a long time. The flow velocity is reduced in sunny days, and a large amount of suspended matters are deposited in the pipeline, so that the pipeline silting is easily caused. The Biochemical Oxygen Demand (BOD) concentration of the inlet water of the urban sewage treatment plant in fine days is lower than 100mg/L, and the working efficiency is low. In rainy days, a large amount of rainwater washes deposited sludge into the water body at one time, so that the water body is black and smelly. In the prior art, to solve the problems, the main method is to lay the pipe network again, and add a lifting pump station in the local part of the pipe network, so that the construction cost is high, the construction influence range is large, and the operation cost is high at ordinary times.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewage transfer pump well, this sewage transfer pump well are on the basis of current pipe network, and it improves sewage velocity of flow to pass through the ejector on fine day, and the suspended solid subsides in the reduction pipeline, and the ejector is closed on rainy day, reduces the energy consumption, both can guarantee sewage treatment plant and intake biochemical oxygen demand concentration, can guarantee again that rainy day does not have the deposit and discharge into the water, keeps the water clean, and the input cost is low.

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

a sewage transfer pump well comprises a pump well main body and an ejector; a water flow channel is arranged on one side of the bottom of the pump well main body; a water inlet and a water outlet are respectively formed in the pump well main bodies at the two ends of the water flow channel; a water storage tank is arranged at the bottom of the pump well main body on the side of the water flow channel; the bottom of the water storage tank is lower than the bottom of the water flow channel; the upper end of the water flow channel is provided with a groove communicated with the water storage tank; the ejector is arranged in the water storage tank; the outlet pipe of the ejector is positioned at the water outlet; the outflow direction of the outflow pipe is the same as the outflow direction of the water outlet, and the ejector absorbs the stored water in the water storage tank and sprays the stored water from the outflow pipe to improve the water flow speed on the water flow channel.

Furthermore, a basket grid used for preventing sundries from entering the water storage tank is arranged between the water flow channel and the water storage tank.

Furthermore, one side of the upper end of the pump well main body is provided with an access hole; and an overhauling cover plate is arranged on the overhauling port.

Furthermore, a ladder stand is arranged on one side, close to the access hole, of the inner wall of the pump well main body.

Furthermore, an arc-shaped synchronous rotating side plate is arranged on the side wall of the water storage tank, which is far away from the water flow channel.

Furthermore, a flow velocity induction control device is arranged on the water flow channel, and the flow velocity induction control device monitors the water flow velocity and controls the starting or closing of the ejector.

After the technical scheme is adopted, the utility model discloses following beneficial effect has:

1. the utility model relates to a sewage transport pump well on the basis of current pipe network, improves sewage velocity of flow through the ejector fine day, reduces the interior suspended solid of pipeline and subsides, and the ejector is closed in the rainy day, reduces the energy consumption, both can guarantee sewage treatment plant biochemical oxygen demand concentration of intaking, can guarantee again that the rainy day does not have the deposit and discharges into the water, keeps the water clean, and the input cost is low.

2. The utility model relates to a sewage is defeated pump well, the hand-basket grid can effectively block in the rivers big footpath level debris flow into the catch basin in, the accessible delivery port in time discharges debris, reduces the debris deposit in the pump well main part.

3. The utility model relates to a sewage is defeated pump well, operating personnel can open and overhaul the apron and get into pump well main part from the access hole in, are convenient for carry out routine maintenance to the pump well main part.

4. The utility model relates to a sewage transfer pump well, when fine, the velocity of flow induction control device monitors that the velocity of flow in the rivers passageway is slower, sends the start signal to the ejector, and the ejector starts to work after receiving the start signal, and from the high-speed rivers of play flow tube blowout, improves the velocity of flow; in rainy days, the flow velocity sensing control device monitors that the flow velocity of water in the water flow channel is high, a closing signal is sent to the ejector, and the ejector stops working after receiving the closing signal, so that energy consumption can be reduced.

Drawings

FIG. 1 is a schematic structural view of the utility model when the side wall close to the water inlet is half-cut;

fig. 2 is a schematic plan view of the present invention.

The reference numbers in the figures denote:

1. a pump well body; 10. a water flow channel; 100. a water inlet; 101. a water outlet; 11. a water storage tank; 12. A trench; 13. an access hole; 130. overhauling the cover plate; 14. climbing a ladder; 15. synchronously rotating the side plates; 2. an ejector; 20. a discharge pipe; 3. a basket grid; 4. flow rate induction control device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 2, a sewage transfer pump well includes a pump well body 1 and an ejector 2; a water flow channel 10 is arranged on one side of the bottom of the pump well main body 1; a water inlet 100 and a water outlet 101 are respectively arranged on the pump well main body 1 at the two ends of the water flow channel 10; a water storage tank 11 is arranged at the bottom of the pump well main body 1 on the side of the water flow channel 10; the bottom of the water storage tank 11 is lower than the bottom of the water flow channel 10; the upper end of the water flow channel 10 is provided with a groove 12 communicated with the water storage tank 11; the ejector 2 is arranged in the water storage tank 11; the outlet pipe 20 of the ejector 2 is positioned at the water outlet 101; the outflow direction of the outflow pipe 20 is the same as the outflow direction of the water outlet 101, and the stored water in the water storage tank 11 is absorbed by the ejector 2 and is ejected from the outflow pipe 20 to increase the water flow speed on the water flow channel 10.

As shown in fig. 1 and 2, a basket grid 3 for blocking impurities from entering the water storage tank 11 is arranged between the water flow channel 10 and the water storage tank 11.

As shown in fig. 1, one side of the upper end of the pump well main body 1 is provided with an access hole 13; an access cover plate 130 is arranged on the access opening 13.

As shown in fig. 1, a ladder stand 14 is provided on the inner wall of the pump well body 1 near the access opening 13.

As shown in fig. 1 and 2, the side wall of the water storage tank 11 far away from the water flow channel 10 is provided with an arc-shaped synchronous rotating side plate 15.

As shown in fig. 1 and 2, a flow rate sensing control device 4 is disposed on the water flow channel 10, and the flow rate sensing control device 4 monitors the water flow rate and controls the on/off of the ejector 2.

The working principle of the utility model is as follows:

when the sewage transfer pump well is used, when water with larger flow passes through the water flow channel 10, the water on the upper layer can be supplemented into the water storage tank 11 from the groove 12 after being filtered by the basket grid 3; in sunny days, the flow rate and the flow velocity of the pipeline are small, the flow velocity induction control device 4 monitors that the flow velocity of the water in the water flow channel 10 is slow, and sends a starting signal to the ejector 2, the ejector 2 starts to work after receiving the starting signal, absorbs the water in the water storage tank 11 and sprays high-speed water flow from the flow outlet pipe 20, the flow velocity of the water flow is improved, and the sedimentation of suspended matters in the pipeline is reduced; in rainy days, the flow rate and the flow velocity of the pipeline are large, the flow velocity induction control device 4 monitors that the flow velocity of the water in the water flow channel 10 is high, a closing signal is sent to the ejector 2, and the ejector 2 stops working after receiving the closing signal, so that the energy consumption can be reduced; this sewage is defeated pump well is through reforming transform current pipe network, under the condition that reduces influence range and engineering cost, has reached the effect that replaces promoting the pump station function, laying of reducible pump station pipeline under pressure, reduces the operation consumption, and the input cost is lower.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a sewage transfer pump well which characterized in that: comprises a pump well main body (1) and an ejector (2); a water flow channel (10) is arranged on one side of the bottom of the pump well main body (1); a water inlet (100) and a water outlet (101) are respectively formed in the pump well main body (1) at the two ends of the water flow channel (10); a water storage tank (11) is arranged at the bottom of the pump well main body (1) on the side of the water flow channel (10); the bottom of the water storage tank (11) is lower than the bottom of the water flow channel (10); the upper end of the water flow channel (10) is provided with a groove (12) communicated with the water storage tank (11); the ejector (2) is arranged in the water storage tank (11); the outflow pipe (20) of the ejector (2) is positioned at the water outlet (101); the outflow direction of the outflow pipe (20) is the same as the outflow direction of the water outlet (101), and the stored water in the water storage tank (11) is absorbed by the ejector (2) and is sprayed out from the outflow pipe (20) to improve the water flow speed on the water flow channel (10).

2. The sewage transfer pump well of claim 1, wherein: a basket grid (3) used for preventing sundries from entering the water storage tank (11) is arranged between the water flow channel (10) and the water storage tank (11).

3. The sewage transfer pump well of claim 1, wherein: an access hole (13) is formed in one side of the upper end of the pump well main body (1); and an access cover plate (130) is arranged on the access opening (13).

4. The sewage transfer pump well of claim 3, wherein: a ladder (14) is arranged on one side, close to the access hole (13), of the inner wall of the pump well main body (1).

5. The sewage transfer pump well of claim 1, wherein: and an arc-shaped synchronous rotating side plate (15) is arranged on the side wall of the water storage tank (11) far away from the water flow channel (10).

6. The sewage transfer pump well of claim 1, wherein: and a flow velocity induction control device (4) is arranged on the water flow channel (10), and the water flow velocity is monitored and the start or the close of the ejector (2) is controlled through the flow velocity induction control device (4).