CN105507415B - A kind of rainwater discharging well for the rubber flap check valve that dams with lift - Google Patents

Abstract

The invention discloses a rainwater abandonment well with a lift-type closure rubber disc check valve, which includes a diversion pool and an equipment installation pool; the diversion pool and the equipment installation pool are separated by a diversion wall; the bottom of the diversion wall is provided with A through hole for rainwater waste flow; a rainwater inlet pipe and a rainwater outlet pipe are set in the diversion pool; a waste flow pipe is set in the equipment installation pool; a shut-off rubber flap check valve is set in the equipment installation pool; the water inlet of the shut-off rubber flap check valve It communicates with the through hole; the water outlet of the intercepting rubber disc check valve communicates with the rainwater outlet pipe; the rainwater abandonment well also includes a control device that can control the opening or closing of the intercepting rubber disc check valve. The present invention is simple in structure, small in floor area, prefabricated as a whole, easy to install, easy to maintain, and can be centrally controlled; it has high control precision for initial rainwater, adopts PLC full-automatic control, can be remotely or locally controlled, and can effectively intercept floating objects into natural bodies of water.

Description

A rainwater abandonment well with a lift-type closure rubber disc check valve

technical field

The invention relates to a rainwater abandonment well, which belongs to the technical field of rainwater treatment devices, in particular to a rainwater abandonment well with a lift-type closure rubber valve check valve.

Background technique

The rainfall type abandonment well is one of the supporting equipment in the low-impact development system. It can separate the initial rainwater from the later rainwater and treat it separately, effectively solving the runoff pollution of the initial rainwater to the river. It is mainly suitable for the rainwater collection pipe or the end of the rainwater pipe in the community. , because of its simple structure, low cost and high control precision, it is widely used in municipal water treatment.

In the Chinese invention patent specification CN 103638700A, an initial rainwater abandonment well suitable for building rainwater utilization is disclosed. The device includes a manhole, a well wall and a base. Including the abandonment pipe, initial rainwater abandonment pipe, water collection pipe, grille, rainwater inlet pipe and diversion wall, the diversion wall is set in the middle of the abandonment well, the initial rainwater abandonment pipe is set at the lower part of the diversion wall, and the water collection pipe is set On one side of the well wall, the jettison pipe is set on the well wall on the other side of the diversion wall, and one or more rainwater inlet pipes are set on the well wall near the manhole side, and a grid is set at the entrance of the water collection pipe. grid. The abandoned flow well disclosed by the invention is suitable for the abandoned flow of initial rainwater on building roofs, and has the advantages of low construction investment, low operating costs, good hydraulic conditions, convenient construction and embedding, and automatic operation, so as to achieve scientific and reasonable utilization of rainwater resources. However, the abandonment well of the invention cannot realize the precise control of the rainwater abandonment flow, and the invention has a complex structure, which is not convenient for installation and use.

In the Chinese utility model patent specification CN 202990091U, a rainwater abandonment well is disclosed, which includes a pool body, a water inlet pipe, a collection pipe, an abandonment pipe, a drain pipe, a floating plate, an adjustable support rod, a connecting rod and a baffle; The pool body is divided into a flow pool and an equipment installation pool, and the flow pool and the equipment installation pool are connected through the discard pipe; the water inlet pipe and the collection pipe are set in the flow pool, at the same height, and located above the waste pipe; the drain pipe is set in In the equipment installation pool, it is at the same height as the jettison pipe; the connecting rod is pivotally connected in the equipment installation pool, one end is connected to the baffle plate, the baffle plate is located on the drain pipe, and the other end is connected to the adjustable support rod, which is connected to the buoy The floating plate is located above the spout tube. The utility model has a simple structure, and can be applied to the initial rainwater abandonment flow of residential areas with different areas. But this utility model can't realize the precise control of rainwater abandonment flow, and this invention is complicated in structure, is not easy to install and use.

In the Chinese invention patent specification CN 102102392B, the method of integrating the initial rainwater abandonment well and the rainwater abandonment flow is disclosed. It is a certain millimeters of initial rainwater on the designated catchment surface of the abandonment flow, and the later net rainwater is separated, thereby greatly improving the recovery. Installation with rain water quality. It consists of a buried rainwater inspection well and a storage tank. The rainwater inspection well is connected to the inlet and outlet pipes; the bottom of the storage tank is equipped with a slant plate sedimentation structure, and a discarded flow pipe is set at a certain distance from the bottom of the pool; a water tank and a baffle are set between the rainwater inspection well and the storage tank. When the highest water level is reached, a short flow is formed between the inlet and outlet pipes. The later rainwater passes through the rainwater inspection well and directly enters the outlet pipe for reuse. The initial rainwater is discarded in the storage tank. Drain slowly and stop when the effective minimum water level is reached. The invention has the advantages of simple structure, no need for manual operation, no need for power supply, simple maintenance, effective collection of polluted rainwater, and the waste pipe is not easy to be blocked if it is blocked, and it is easy to clear it. But this invention can't realize the accurate control of rainwater abandonment flow, and this invention has complicated structure, is not easy to install and use.

In the Chinese utility model patent specification CN 204385873U, a rainwater abandonment device is disclosed, which includes a water inlet pipe, a sewage well, a sump, two pneumatic gate valves, an air pump, a flow meter and a PLC controller. In order to calculate the discarded flow through the water inlet pipe, the water inlet pipe is respectively connected with the sewage well and the sump, and the two pneumatic gate valves are respectively arranged at the entrance of the sewage well and the entrance of the sump. The air pump is used to control the opening and closing of the two pneumatic gate valves, and the PLC controller is connected with the flowmeter and the air pump for signals. The rainwater discarding device of the utility model has the advantages of accurate discarding flow control, high reliability and safety. However, the utility model does not disclose the detailed structure of a pneumatic valve. At the same time, the utility model controls the opening and closing of the pneumatic gate valve according to the flow meter and the air pump, which is not convenient for remote or base control, and is difficult to maintain and replace.

Contents of the invention

Aiming at the above-mentioned defects in the prior art, the technical problem to be solved by the present invention is to provide a rainwater abandonment well with a lift-type shut-off rubber flap check valve, which not only has a simple structure, but also can accurately control the initial rainwater abandonment. flow.

In order to solve the above-mentioned technical problems, the present invention adopts such a rainwater abandonment well with a lift-type shut-off rubber flap check valve, which includes a diversion pool and an equipment installation pool; the diversion pool and the equipment installation pool pass through the guide The flow wall is separated; the bottom of the diversion wall is provided with a through hole for rainwater disposal; the diversion pool is provided with a rainwater inlet pipe and a rainwater outlet pipe; the equipment installation pool is provided with a discharge pipe; the equipment installation There is a shut-off rubber flap check valve in the pool; the water inlet of the shut-off rubber flap check valve communicates with the through hole; the water outlet of the shut-off rubber flap check valve communicates with the discarding pipe; the rainwater The abandonment well also includes a control device that can control the opening or closing of the closure rubber disc check valve; the control device is located outside the rainwater abandonment well; the control device includes a rain gauge for monitoring the initial rainfall and a control device for controlling The control box for opening or closing the flap door of the intercepting rubber flap check valve; the rain gauge includes a rain gauge cover; the inside of the rain gauge cover is sequentially connected with a rain sensor, a water collecting bucket, and a water collecting device from top to bottom. water pipe and solenoid valve; the bottom drain of the water collecting bucket is connected with the water collecting pipe; the bottom drain of the water collecting pipe is provided with the solenoid valve; the solenoid valve can be connected to the rain sensor Open or close under the action; the inside of the water collecting pipe is provided with a float switch for monitoring the initial rainwater rainfall; the rain gauge cover is also fixedly connected to the control box with a signal line connected to the control box; the rainwater The sensor includes a rain sensor I for triggering the opening or closing of the solenoid valve and a rain sensor II for controlling the opening or closing of the shut-off rubber flap check valve.

In a preferred embodiment of the present invention, the float switch is fixed inside the water collecting pipe through a connecting plate and a height adjustment rod; the float switch is fixed on the connecting plate; the height adjustment The rod is connected to the upper end of the water collecting pipe; the lower end of the height adjusting rod is fixedly connected to the connecting plate.

In a preferred embodiment of the present invention, the water collecting pipe is also connected with an overflow pipe; the top of the water collecting bucket is provided with a slag blocking net.

In a preferred embodiment of the present invention, the shut-off rubber flap check valve includes a drain pipe, a power unit, and a valve; the two ends of the drain pipe are respectively connected with the through hole and the discarding pipe; The power device is vertically fixed above the drain pipe; the valve is hinged to the drain pipe; and the valve can be opened or closed under the action of the power device.

In a preferred embodiment of the present invention, the power device is an electric device or a hydraulic drive device; the end of the piston rod of the electric device or hydraulic drive device is connected with a guide wheel.

In a preferred embodiment of the present invention, a triangular guide plate is connected to the valve.

In a preferred embodiment of the present invention, between the water inlet of the cut-off rubber flap check valve and the through hole and between the water outlet of the cut-off rubber flap check valve and the discarding pipe A sealing ring that can prevent the leakage of abandoned flow rainwater is provided.

In a preferred embodiment of the present invention, the water outlet end of the shut-off rubber flap check valve is provided with a rubber expansion joint.

The beneficial effects of the present invention are: the present invention is simple in structure, small in floor area, prefabricated as a whole, easy to install, easy to maintain, and can be centrally controlled; at the same time, the present invention has high precision in initial rainwater control, adopts PLC full-automatic control, and can be remote or Local control, and can effectively intercept floating objects into natural water bodies.

Description of drawings

Fig. 1 is a top view of the structure of a rainwater abandonment well with a lift-type closure rubber disc check valve of the present invention;

Fig. 2 is a B-B cross-sectional view of a rainwater abandonment well with a lift-type shut-off rubber flap check valve of the present invention in Fig. 1;

Fig. 3 is a C-C cross-sectional view of a rainwater abandonment well with a lift-type closure rubber flap check valve of the present invention in Fig. 2;

Fig. 4 is a structural schematic diagram of a rain gauge of a rainwater abandonment well with a lift-type closure rubber disc check valve in the present invention;

Fig. 5 is a partial enlarged view of a rainwater abandonment well with a lift-type shut-off rubber flap check valve of the present invention in Fig. 3;

Fig. 6 is the working state of the rainwater abandonment well when there is no rainfall in a rainwater abandonment well with a lift-type closure rubber disc check valve of the present invention;

Fig. 7 is the working state of the rainwater abandonment well when rainfall occurs in a kind of rainwater abandonment well with lift-type closure rubber disc check valve of the present invention;

In the figure: 1- diversion pool; 2- equipment installation pool; 3- diversion wall; 4- through hole; 5- rainwater inlet pipe; 6- rainwater outlet pipe; 7- climbing ladder; Rubber disc check valve; 10-control device; 11-slag retaining plate; 12-sealing ring; 13-rubber expansion joint; 9a-drainage pipe; 9b-power device; 9c-valve; 10a-rain gauge; 10b-control 10a-rain gauge; 10b-control box; 10a-1-rain gauge cover; 10a-2-rain sensor; 10a-3-water collection bucket; 10a-4-water collection pipe; 10a-6-float switch; 10a-7-signal line connected to the control box; 10a-8-slag blocking net; A-sewage pipe; D-natural water body.

detailed description

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the present utility model.

As can be seen from the schematic structural diagrams of a rainwater abandonment well with a lift-type closure rubber flap check valve as shown in Figures 1 to 3, a rainwater abandonment well with a lift-type closure rubber flap check valve in the present invention It includes a diversion pool 1 and an equipment installation pool 2; the diversion pool 1 and the equipment installation pool 2 are separated by a diversion wall 3; the bottom of the diversion wall 3 is provided with a through hole 4 for rainwater disposal; the diversion pool 1 is provided with a rainwater inlet Water pipe 5, rainwater outlet pipe 6 and climbing ladder 7; the equipment installation pool 2 is provided with a waste flow pipe 8 and a climbing ladder 7; the equipment installation pool 2 is provided with a cut-off rubber flap check valve 9; the inlet of the cut-off rubber flap check valve 9 The water outlet communicates with the through hole 4; the water outlet of the shut-off rubber flap check valve 9 communicates with the abandonment pipe 8; the rainwater abandonment well also includes a control device 10 that can control the opening or closing of the shut-off rubber flap check valve 9.

Wherein the rain gauge 10a includes a rain gauge cover 10a-1; the inside of the rain gauge cover 10a-1 is fixedly connected with a rain sensor 10a-2, a water collecting bucket 10a-3, a water collecting pipe 10a-4 and a solenoid valve 10a in sequence from top to bottom. -5; the bottom drain of the water collecting bucket 10a-3 is communicated with the water collecting pipe 10a-4; the bottom drain of the water collecting pipe 10a-4 is provided with a solenoid valve 10a-5; the solenoid valve 10a-5 can be connected to the rain sensor Open or close under the action of 10a-2; The water collecting pipe 10a-4 is internally provided with a float switch 10a-6 for monitoring the initial rainwater rainfall; The float switch 10a-6 is fixedly connected to the Inside the water collection pipe 10a-4; the float switch 10a-6 is fixedly connected to the connection plate; the height adjustment rod is connected to the upper end of the water collection pipe 10a-4; the lower end of the height adjustment rod is fixedly connected to the connection plate; the float switch 10a-6 is in the The position of the water collecting pipe can be adjusted by adjusting the height adjustment rod, and the rainfall control of the initial rainfall is determined by the float switch 10a-6. The rain gauge cover 10a-1 is also fixedly connected with the signal line connected to the control box 10b to connect the control box 10a-7; the top of the water collecting bucket 10a-3 is provided with a slag blocking net 10a-8; An overflow pipe is connected, the top of the overflow pipe communicates with the overflow port on the side wall of the water collecting pipe 10a-4, and the bottom end of the overflow pipe communicates with the drain outlet at the lower end of the solenoid valve 10a-5. There are two rain sensors 10a-2 on the top of the rain gauge cover 10a-1, which are rain sensor I and rain sensor II, wherein the rain sensor I mainly triggers the solenoid valve 10a by whether it is raining or not and the amount of initial rainfall. The opening and closing of -5, the rain sensor II is mainly used to monitor the subsequent entire rainfall process to control the opening or closing of the intercepting rubber flap check valve 9 after the initial rainfall reaches the initial rainfall and triggers the float switch.

In the present invention, the shut-off rubber flap check valve 9 includes a drain pipe 9a, a power device 9b, and a valve 9c; the two ends of the drain pipe 9a are respectively connected with a through hole 4 and a drain pipe 8; the power device 9b is fixedly connected to the drain pipe along the vertical direction Above 9a; the valve 9c is hinged with the drainage pipe 9a; the valve 9c can be opened or closed under the action of the power device 9b. The power device 9b is an electric device or a hydraulic drive device; the end of the piston rod of the electric device or hydraulic drive device is connected with a guide wheel. A triangular guide plate is connected to the valve 9c. Sealing rings 12 that can prevent the leakage of discarded rainwater are provided between the water inlet of the shut-off rubber flap check valve 9 and the through hole 4 and between the water outlet of the shut-off rubber flap check valve 9 and the jettison pipe 8 . The control device 10 is located outside the rainwater abandonment well; the control device 10 includes a rain gauge 10a for monitoring the initial rainfall and a control box 10b for controlling the valve opening or closing of the rubber flap check valve 9 . The rainwater outlet pipe 6 is provided with a slag retaining plate 11 . The water outlet end of the shut-off rubber flap check valve 9 is provided with a rubber expansion joint 13 . The drain pipe 8 is connected to the bottom of the equipment installation pool 2; the drain pipe 8 is connected to the sewage pipeline. The central axis of the jettison pipe 8 is collinear with the central axis of the through hole 4 on the diversion wall 3 .

The working principle of the present invention is: when rainfall occurs, first the rain sensor I senses the occurrence of rainfall, and the feedback signal is sent to the control box to close the solenoid valve, and at the same time, the rainwater flows into the water collection pipe through the water collecting bucket. If a rainfall does not reach the initial rainwater Rainfall, when the rainfall is over, the solenoid valve will open, and the program will end when the water in the collecting pipe is emptied. If the rainfall in a single rainfall reaches the initial rainfall, the float switch will be triggered, indicating that the initial rainfall has been completed. , the PLC starts to record the rainwater collection time. When the rainwater time set according to the collection distance is reached, the initial rainwater abandonment ends, and the lift-type closure rubber flap check valve (electric or hydraulic) is closed to discharge the later rainwater to the natural environment. Water body, at this time, the rain sensor II will monitor the entire rainfall process. When the rainfall ends and the second rainfall begins, the recording interval should be as small as the set value (can be set according to the pollution), and it can be discharged directly without re-discarding. During this process, when one or more rainfalls occur, the lift-type shut-off rubber flap check valve (electric or hydraulic) is closed, and the timing is restarted. When the rain stops each time during this process, the lift-type shut-off rubber flap The check valve (electric or hydraulic) opens and the timer starts again. When it is greater than the set value, the solenoid valve is opened to empty the water in the water collection pipe, and the flow is discarded again after the program ends.

When using the present invention, when there is no rainfall, the lift-type shut-off rubber flap check valve (electric or hydraulic) is in the open state, and the man-made sewage (such as watering by sprinkler, sneak discharge, etc.) generated by the road can directly pass through the waste flow pipe into sewage pipes. When rainfall occurs, the rain gauge will calculate the initial rainwater amount (according to GB 50400-2006 "Technical Specifications for Rainwater Utilization Engineering in Buildings and Residential Areas", when there is no data, the roof abandonment flow can be 2-3mm, and the ground abandonment flow can be 3- 5mm runoff thickness or custom). When the set value is reached, the rain gauge will feed back a signal to the control box to start recording the rainwater collection time. When the rainwater collection time set according to the collection distance is reached, the initial rainwater abandonment ends and the lift-type closure rubber disc check valve is closed. (Electric or hydraulic), so that the later rainwater is discharged to the natural water body through the drainage pipe. Determine the later rainwater discharge time according to the rain frequency. When the rainfall ends and the second rainfall begins, the recording interval should be smaller than the set value (can be set according to different pollution), and it can be discharged directly without re-discarding. When it is greater than the set value , the flow is discarded again. Therefore, the rainfall type abandonment well can reduce more than 80% of the pollutants entering the natural water body, effectively solving the pollution of the river by the initial rainwater.

It should be understood that, the above description is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of Changes or substitutions should fall within the protection scope of the present invention.

Claims (8)

1. a kind of rainwater discharging well for the rubber flap check valve that dams with lift, including shunting pond (1) and equipment installation pond (2)；Shunting pond (1) and equipment installation pond (2) are separated by training wall (3)；Training wall (3) bottom is provided with For the through hole (4) of rain water drainage；Rain water inlet pipe (5), rainwater outlet pipe (6) are set in shunting pond (1)；The equipment Abandoned stream pipe (8) is provided with installation pond (2)；It is characterized in that：The rubber clack non-return that dams is provided with equipment installation pond (2) Valve (9)；The water inlet of the rubber flap check valve that dams (9) connects with the through hole (4)；The rubber flap check valve that dams (9) delivery port connects with the abandoned stream pipe (8)；The rainwater discharging well also includes the controllable rubber flap check valve (9) that dams The control device (10) being turned on or off；The control device (10) is located at outside the rainwater discharging well；The control dress Putting (10) includes being used for the rainfall gauge (10a) for monitoring rainfall at initial stage and the bat for controlling rubber flap check valve (9) of damming The control cabinet (10b) that door is turned on or off；The rainfall gauge (10a) includes rainfall gauge outer cover (10a-1)；Outside the rainfall gauge Rainwater inductor (10a-2), drip pan (10a-3), collector pipe (10a-4) are from top to bottom connected with successively inside cover (10a-1) With magnetic valve (10a-5)；The bottom discharge outlet of the drip pan (10a-3) connects with the collector pipe (10a-4)；It is described to catchment The bottom discharge outlet of pipe (10a-4) is provided with the magnetic valve (10a-5)；The magnetic valve (10a-5) can be in the rainwater sense Answer and be turned on and off in the presence of device (10a-2)；The collector pipe (10a-4) is internally provided with for monitoring early-stage rainwater rainfall The float switch (10a-6) of amount；The letter being connected with the control cabinet (10b) is also connected with the rainfall gauge outer cover (10a-1) Number line connects control cabinet (10a-7)；The rainwater inductor (10a-2) include be used for trigger the magnetic valve (10a-5) open or The rainwater inductor I of the closing and rainwater inductor II for controlling the rubber flap check valve (9) that dams to be turned on or off.

2. a kind of rainwater discharging well of rubber flap check valve that dams with lift according to claim 1, its feature exist In：The float switch (10a-6) is fixed in the collector pipe (10a-4) inside by connecting plate and height regulating rod；It is described Float switch (10a-6) is fixed on the connecting plate；The height regulating rod is connected to the collector pipe (10a-4) upper end； The lower end of the height regulating rod and the connecting plate are affixed.

3. a kind of rainwater discharging well of rubber flap check valve that dams with lift according to claim 2, its feature exist In：Overflow pipe is also associated with the collector pipe (10a-4)；The top of the drip pan (10a-3) is provided with slag net (10a-8)。

4. a kind of rainwater discharging well of rubber flap check valve that dams with lift according to claim 1, its feature exist In：The rubber flap check valve that dams (9) includes drainage pipeline (9a), power set (9b), valve (9c)；The drainage pipeline (9a) both ends are connected to the through hole (4) and the abandoned stream pipe (8)；The power set (9b) are vertically fixed in Above the drainage pipeline (9a)；The valve (9c) is be hinged with the drainage pipeline (9a)；The valve (9c) can be described It is turned on or off under power set (9b) effect.

5. a kind of rainwater discharging well of rubber flap check valve that dams with lift according to claim 4, its feature exist In：The power set (9b) are electric device or fluid pressure drive device；The electric device or fluid pressure drive device Piston rod end is connected with directive wheel.

6. a kind of rainwater discharging well of rubber flap check valve that dams with lift according to claim 4, its feature exist In：The guide plate of triangle is connected with the valve (9c).

7. a kind of rainwater discharging well of rubber flap check valve that dams with lift according to claim 1, its feature exist In：Between the water inlet and the through hole (4) of the rubber flap check valve that dams (9) and the rubber flap check valve that dams (9) sealing ring (12) that can prevent that abandoned stream rainwater from leaking is provided between delivery port and the abandoned stream pipe (8).

8. a kind of rainwater discharging well of rubber flap check valve that dams with lift according to claim 1, its feature exist In：The water side of the rubber flap check valve that dams (9) is provided with rubber expansion joint (13).