CN212641696U

CN212641696U - Unpowered vatch basin

Info

Publication number: CN212641696U
Application number: CN202020876066.8U
Authority: CN
Inventors: 黄洋; 赵金保
Original assignee: Wasch Environmental Engineering Shanghai Co ltd
Current assignee: Shanghai Jiwa Environmental Protection Technology Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-03-02
Anticipated expiration: 2030-05-22

Abstract

The utility model relates to an unpowered vatch basin, be equipped with the well body of the weir body in including, this weir body divide into the restricted area with the well body and prevent the flowing back district, be equipped with the inlet tube on the restricted area and cut dirty pipe, prevent being equipped with the outlet pipe on the flowing back district, it is equipped with the current-limiting unit to cut dirty pipe department, a serial communication port, be equipped with on the weir body and block the sediment unit, the current-limiting unit includes the casing, the floater, drive mechanism and baffle, be equipped with on the casing and be used for gliding slide rail from top to bottom of baffle, the floater, drive mechanism and baffle are all installed in the casing, under the initial state, the lower edge of baffle is higher than the orificial reason of cutting dirty pipe, when liquid level risees in the restricted area, the floater risees and drives the baffle. Compared with the prior art, the utility model discloses a design is cursory to drive the mode of baffle, can carry out the current-limiting to the pipe of damming when the water level risees to improve the flow when the water level is low.

Description

Unpowered vatch basin

Technical Field

The utility model belongs to the technical field of drainage system and specifically relates to a unpowered vatch basin is related to.

Background

In current confluence system drainage system, thereby in order to prevent that dry season sewage and initial stage rainwater from directly discharging and getting into the river course and causing the pollution to the river course, arrange river mouth department at confluence system drainage pipe and set up the vatch basin usually, dam dry season sewage and initial stage rainwater to the sewage pipe network in, later carry to sewage treatment plant and handle, and the relatively clean rainwater of middle and later stage directly discharges in the river course through the outlet pipe.

At present, although the adopted intercepting well can intercept dry season sewage and initial rainwater, the flow limitation of middle and later stage rainwater is not considered, sandstone in the intercepted sewage can abrade mechanical equipment of a sewage treatment plant, in addition, although related documents disclose a sewage intercepting well with the sewage interception multiple adjustment function, a square intercepting well is built at a proper part of a sewer, the front side surface and the rear side surface of the square intercepting well are respectively connected with a rainwater sewage confluence pipe and a rainwater overflow pipe, the middle part of the square intercepting well is provided with an intercepting weir, and the top of the intercepting weir is slightly higher than the lower side edges of the confluence pipe and the overflow pipe; the intercepting well is provided with an intercepting sewer pipe on one side, a flow-limiting orifice plate is vertically arranged at a proper distance from the inner side end of the intercepting sewer pipe, the inner side of the flow-limiting orifice plate is connected with a stainless steel grating, a plurality of flow-limiting orifices are arranged on the flow-limiting orifice plate, and the height of the flow-limiting orifice plate is as high as that of the well chamber. However, the flow-limiting orifice plate cannot be dynamically adjusted along with the change of the liquid level, and the water flow is obviously increased along with the rise of the liquid level all the time. In addition, the scum in the rainwater is directly discharged into the river channel to pollute the river channel, and if the water level in the river channel is higher than that in the intercepting well, river channel water can flow back into the intercepting well, and even urban waterlogging can occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an unpowered vatch basin, through the mode that the design is cursory to drive the baffle, can carry out dynamic adjustment to the flow along with the liquid level risees, compare in prior art, carry out better current-limiting to the pipe of damming when the water level risees to improve the flow when the water level is low.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides an unpowered vatch basin, is equipped with the well body of weir body in including, this weir body divide into the restricted area with the well body and prevents the flowing back district, be equipped with inlet tube and sewage interception pipe on the restricted area, prevent being equipped with the outlet pipe on the flowing back district, sewage interception pipe department is equipped with the current-limiting unit, a serial communication port, be equipped with on the weir body and block the sediment unit, the current-limiting unit includes casing, floater, drive mechanism and baffle, be equipped with on the casing and be used for gliding slide rail about the baffle, floater, drive mechanism and baffle are all installed in the casing, and under the initial condition, the lower edge of floater is higher than the orificial upper reason of sewage interception pipe, when the liquid level risees in the restricted area, risees and drives the baffle through drive mechanism and descends along the slide rail and progressively hides the mouth.

The residue blocking unit is an unpowered scum baffle which is used for intercepting scum on the water surface.

The weir body is a soil weir, and the lowest position of the upper edge of the weir body is higher than the upper edge of the pipe orifice of the sewage interception pipe.

The weir body is a concrete weir.

And a sand lifting unit is arranged at the outlet of the water inlet pipe.

The sand lifting unit is a sand lifting device based on hydraulic drive.

And crawling ladders are arranged on the flow limiting area and the irrigation preventing area.

And the top end of the well body is provided with an equipment access and an installation access hole.

And the water outlet pipe is internally provided with a backflow preventing unit.

A sand settling basket is arranged in the sand lifting device.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) through the mode that the design cursory drove the baffle, can provide the current-limiting unit convenient to installation, carry out the current-limiting to the pipe of damming when the water level risees to improve the flow when the water level is low.

2) The residue blocking unit is an unpowered scum baffle, does not need external driving and is linearly blocked by buoyancy.

3) The weir body is a concrete weir, the cost is reduced, and simultaneously, the strength is high,

4) the lowest position of the upper edge of the weir body is higher than the upper edge of the pipe orifice of the sewage interception pipe, so that water can be completely drained from the sewage interception pipe at a low water level.

5) The backflow prevention unit is arranged in the water outlet pipe, so that the backflow prevention of river water is realized.

Drawings

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the current limiting unit of the present invention;

wherein: 1. the device comprises a well body, 2, a weir body, 3, a ladder stand, 4, a water inlet pipe, 5, a sewage interception pipe, 6, a water outlet pipe, 7, a sand lifting unit, 8, a current limiting unit, 9, a slag blocking unit, 81, a shell, 82, a floating ball, 83 and a baffle.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

An unpowered intercepting well comprises a well body 1 internally provided with a weir body 2, wherein the weir body 2 divides the well body 1 into a flow limiting area and an anti-backflow area, the flow limiting area is provided with a water inlet pipe 4 and an intercepting pipe 5, the anti-backflow area is provided with a water outlet pipe 6, and the intercepting pipe 5 is provided with a flow limiting unit 8.

The baffle plate moves from top to bottom, so that the installation of the flow limiting unit is facilitated, the flow limiting unit limits the flow of the shutoff pipe when the water level rises, and the flow is increased when the water level is low.

The residue blocking unit 9 is an unpowered scum baffle used for blocking scum on the water surface.

The weir body 2 is a soil weir, and the lowest position of the upper edge of the weir body 2 is higher than the upper edge of the pipe orifice of the sewage interception pipe 5, so that water can be completely drained from the sewage interception pipe when the water level is low.

The outlet of the water inlet pipe 4 is provided with a sand lifting unit 7, as shown in fig. 2, the sand lifting unit 7 is positioned at the bottom of the intercepting well of the flow limiting area close to the water inlet pipe 4, the sand lifting unit 7 is a sand lifter based on hydraulic drive, and a sand settling basket is arranged in the sand lifter.

The flow-limiting area and the irrigation-preventing area are both provided with a ladder stand 3, and the top end of the well body 1 is provided with an equipment access and an installation and maintenance port.

Be equipped with in outlet pipe 6 and prevent flowing backward the unit, realized preventing that the river from flowing backward, prevent flowing backward the unit and can adopt unpowered prevent flowing backward the unit, can adopt the customized by the unit that prevents flowing backward of eccentric toper, certainly in other embodiments, also can adopt one-way flap valve etc. when the river course water pressure is high, the flap valve is closed, and the flap valve is opened when the river course is than inside water pressure.

In dry seasons and early rain, the flow limiting unit 8 is in an open state, and sewage and the early rain flow into the sewage intercepting pipe 5 through the flow limiting unit 8 after sand setting treatment by the sand extracting unit 7, and then are intercepted to a sewage treatment plant for treatment.

During the middle and later periods of rain fall, along with the increase of inflow, the liquid level in the intercepting well rises, at the moment, the force current limiting unit 8 is gradually closed along with the rise of the liquid level, the residue blocking unit 9 always keeps 1/3 floating bowls on the water level to intercept floating residues on the water level along with the change of the water level in the intercepting well, and cleaner middle and later periods of rain water after sand setting and residue blocking treatment are discharged to an external river channel through the anti-backflow unit 10 and the water outlet pipe 6 without obstacles.

After rainfall, inflow flow reduces, and the liquid level in the vatch basin reduces, and current-limiting unit 8 opens gradually along with the reduction of liquid level, blocks sediment unit 9 and then keeps 1/3 flotation pontoons all the time in order to intercept the dross of the surface of water on the water level along with the change of the water level in the vatch basin, and the dross of interception flows into through the current-limiting unit 8 after opening and cuts dirty pipe 5, and then is carried to sewage treatment plant and handles.

When the water level of the external river channel is higher than the water level in the intercepting well, the backflow prevention unit 10 can prevent the river water from flowing backward into the intercepting well, thereby ensuring the safety of the intercepting well.

The particles such as gravel deposited on the sand extracting unit 7 are periodically cleaned after the rainfall is finished.

In the embodiment, the power of the sand extracting unit 7, the flow limiting unit 8, the slag blocking unit 9 and the backflow preventing unit 10 is hydraulic power, and external energy is not consumed.

Claims

1. An unpowered catch basin comprises a well body (1) internally provided with a weir body (2), wherein the weir body (2) divides the well body (1) into a flow limiting area and a backflow prevention area, the flow limiting area is provided with a water inlet pipe (4) and a sewage interception pipe (5), the backflow prevention area is provided with a water outlet pipe (6), the sewage interception pipe (5) is provided with a flow limiting unit (8), the unpowered catch basin is characterized in that the weir body (2) is provided with a slag interception unit (9), the flow limiting unit (8) comprises a casing (81), a floating ball (82), a transmission mechanism and a baffle (83), the casing is provided with a slide rail for the baffle (83) to slide up and down, the floating ball (82), the transmission mechanism and the baffle (83) are all installed in the casing (81), the lower edge of the baffle (83) is higher than the upper edge of a pipe orifice of the sewage interception pipe (5) in an initial state, and when the liquid level in the flow, the floating ball (82) rises and drives the baffle (83) to descend along the slide rail through the transmission mechanism and cover the pipe orifice of the sewage interception pipe (5) step by step.

2. An unpowered vatch shaft according to claim 1, wherein the slag blocking unit (9) is an unpowered scum baffle for intercepting scum from the water surface.

3. An unpowered catch basin according to claim 1, characterized in that the weir body (2) is a soil weir, and the lowest of the upper edge of the weir body (2) is higher than the upper edge of the mouth of the catch pipe (5).

4. An unpowered vatch shaft according to claim 3, wherein the weir (2) is a concrete weir.

5. An unpowered intercepting well according to claim 1, characterized in that a sand lifting unit (7) is provided at the outlet of the water intake pipe (4).

6. An unpowered vatch shaft according to claim 5, characterised in that the sand lifting unit (7) is a hydraulically driven sand lifter.

7. An unpowered intercepting well according to claim 1, wherein the flow restricting area and the backflow preventing area are provided with ladder stands (3).

8. An unpowered intercepting well according to claim 1, wherein the top end of the well body (1) is provided with an equipment access and an installation access.

9. An unpowered vatch basin according to claim 1, characterized in that a backflow prevention unit is provided in the outlet pipe (6).

10. An unpowered intercepting well according to claim 6, wherein a sand basket is provided in the sand lifter.