CN105178421B - Intercepting well - Google Patents

Abstract

The invention relates to an intercepting well, which comprises a well body provided with a water inlet pipe, an outlet pipe and an intercepting pipe, a water tank, a diversion tank, a sedimentation tank, a sewage collection tank, a flap mechanism, a gate valve and a deflector arranged in the well body The water inlet pipe is connected with the water tank; the water outlet pipe is connected with the sedimentation tank; the interceptor pipe is connected with the sewage collection tank; To open or close the sedimentation tank and the sewage collection tank, a gate hole is arranged on the partition between the sewage collection tank and the sedimentation tank to communicate with the sedimentation tank and the sewage collection tank; the gate valve is arranged on the partition. In this application, since the interception well can control the opening and closing of the gate valve according to the amount of water, thereby controlling the cover and opening of the flap mechanism, and then separately collect and process the initial rainwater and clean rainwater; and the interception The well is simple in construction, strong in operability, and can realize continuous and smooth operation.

Description

an interception well

technical field

The invention relates to an interception treatment technology of urban sewage, in particular to an interception well.

Background technique

During the rainfall process, the amount of initial rainwater is small, and it will carry surface pollutants into rivers and oceans, which not only pollutes natural water bodies, but also prevents rainwater from being utilized as resources; as rainfall increases, ground pollutants decrease, and rainfall The rainwater produced is clean rainwater. Most of the existing technologies adopt a completely diverted drainage system, which discharges all initial and clean rainwater to natural rivers, causing environmental pollution; or discharges to urban pipe networks, causing excessive burden on sewage plants.

The interception well is located at the pivot point of the entire interception combined drainage system and is the key structure of the entire system. Traditional weir-type interception wells, trough-type interception wells and slot-weir-type interception wells have not realized the separate collection of initial rainwater and clean rainwater, and there is a problem of mixed flow of clean rainwater and initial rainwater. However, the existing interception wells that can separately collect and treat initial rainwater and clean rainwater all have the problems of poor operability and unstable operation.

Contents of the invention

In view of this, the object of the present invention is to provide an interception well capable of separately collecting and treating primary rainwater and clean rainwater.

Another object of the present invention is to provide an interception well that is simple in construction, strong in operability, and capable of continuous and stable operation.

An intercepting well, characterized in that it includes a well body provided with a water inlet pipe, an outlet pipe and an intercepting pipe, a water tank, a diversion tank, a sedimentation tank, a sewage collection tank, a flap mechanism, a gate valve and a diversion pipe arranged in the well body plate; the water inlet pipe is arranged on the upstream side of the water tank and communicates with the water tank; the outlet pipe is arranged on the downstream side of the sedimentation tank and communicates with the sedimentation tank; the intercepting pipe is arranged on The downstream side of the sewage collection tank, and communicated with the sewage collection tank; the water tank is connected with a deflector, which is divided into two flow paths at the deflector, the first flow path is connected to the sewage collection tank, and the second flow path The diversion tank communicates with the sedimentation tank, and the turnover mechanism is rotatably arranged on the partition between the sedimentation tank and the sewage collection tank to simultaneously open or close the sedimentation tank and the sewage collection tank, When the flap mechanism is opened, the first flow path is connected, and the deflector is connected to the sewage collection tank; when the flap mechanism is closed, the first flow path is closed, and the flap mechanism is connected to the deflector and outlet pipe; a gate hole is arranged on the partition between the sewage collection tank and the sedimentation tank, communicating with the sedimentation tank and the sewage collection tank; the gate valve is arranged on the partition to open or close the gate hole .

Preferably, the water tank is arranged above the upstream of the sewage collection tank, the water tank has a box-shaped structure with an upper end open, and communicates with the water inlet pipe through the opening, and the bottom of the water tank is provided with a channel connected to the deflector. Orifice.

Preferably, three end surfaces of the deflector are fixedly connected to the inner wall of the well body, and the other end surface extends into the upper opening of the sewage collection tank.

Preferably, a stepped portion is provided on the end surface of the deflector facing the sewage collection tank, and the stepped portion is matched with the end of the turnover mechanism facing the direction of the water inlet pipe, so that the turnover mechanism When turning to a horizontal state, a fit seal can be realized between the end portion and the step portion.

Preferably, the sewage collection tank includes a first longitudinal partition and a second longitudinal partition, the bottoms of the two partitions are arranged on the bottom wall of the well body, and the upper end of the first longitudinal partition is connected to the guide The plates are overlapped, the second longitudinal partition is arranged between the sewage collection tank and the sedimentation tank; the interceptor is arranged on the well body on the outer wall between the two partitions, and is located in the sewage collection tank The bottom of the sedimentation tank is provided with a sloping plate, the bottom of the sloping plate is facing the gate hole, and the bottom of the sloping plate is slightly higher than the bottom of the gate hole.

Preferably, the flow guide groove is provided with a longitudinally penetrating flow channel, and the flow guide groove communicates with the flow guide plate and the sedimentation tank through the flow channel; the flow guide groove is arranged on the first longitudinal partition and one side of the upper end of the second longitudinal partition wall, wherein one side in the direction parallel to the flow channel is against the inner wall of the well body, and the other side is opposite to the inner wall of the well body, the first longitudinal partition wall and the inner wall of the well body. The cover opening of the sewage collection tank is formed between the second longitudinal partition walls.

Preferably, the flipping mechanism includes a board body and a floating body, the floating body is arranged on the underside of one end of the board body, and the flipping mechanism is hinged on the upper end of the second longitudinal partition, wherein the floating body is arranged One side is located in the sedimentation tank, and the other side is located above the sewage collection tank; the plate body includes a first plate body part and a second plate body part, bounded by the axis where the hinge shaft is located, and the plate body is provided with One side of the floating body is the first plate body part, and the other side is the second plate body part, the shape and size of the second plate body part match the cover opening, and the width of the first plate body part is compatible with the precipitation The opening width of the pool matches; when the turnover mechanism is rotated to the horizontal position, the second plate body part is covered on the cover opening, and the end of the second plate body part is engaged on the step On the portion, the second plate body forms a seamless connection with the side wall between the diversion groove, completely sealing the upper end opening of the sewage collection tank, and the first plate body seals the Most of the upper opening of the sedimentation tank is covered and sealed, and only the water outlet of the sedimentation tank is formed at the water outlet end of the diversion tank.

Preferably, the gate valve includes a gate, a push rod, a floating body and a connecting chain, the push rod is hinged on the first longitudinal partition, one end of the push rod is hinged to the upper end of the gate, and the other end passes through The connecting chain is connected with the floating body, the connecting chain passes through the deflector, and the floating body is arranged in the water tank.

Preferably, the buoyant body is a buoy or a buoy.

The intercepting well provided by the present invention can control the opening and closing of the gate valve according to the amount of water, thereby controlling the closing and opening of the flap mechanism, and then separately collects and treats the initial rainwater and clean rainwater; and the The interception well is simple in construction, strong in operability, and can realize continuous and stable operation.

Description of drawings

Through the following description of the embodiments of the present invention with reference to the accompanying drawings, the above-mentioned and other objects, features and advantages of the present invention will be more clear, in the accompanying drawings:

Fig. 1 is the front perspective view of the interception well when the flap mechanism is in the open state in the present embodiment;

Fig. 2 is a top perspective view of the interception well when the flap mechanism is in the closed state.

detailed description

Various embodiments of the invention will be described in more detail below with reference to the accompanying drawings. In the various drawings, the same elements are denoted by the same or similar reference numerals. For the sake of clarity, various parts in the drawings have not been drawn to scale.

Explanation: "upstream" and "downstream" in this application are defined according to the direction of water flow, and the direction of water flow is from upstream to downstream. The outlet pipe 12 and interceptor pipe 13 in this application are located at the water inlet pipe 11 As shown in FIG. 1 , the direction facing the top cover 14 is called up, and the opposite side is called down. For example, the interceptor 13 is located below the top cover 14 .

As shown in Figure 1-2, an interception well is characterized in that it includes a well body 1 provided with a water inlet pipe 11, an outlet pipe 12 and an interception pipe 13, a water tank 2 and a diversion tank 3 arranged in the well body 1 , sedimentation tank 4, sewage collection tank 5, flap mechanism 6, gate valve 7 and deflector 8.

The well body 1 is provided with a water inlet pipe 11, a water outlet pipe 12, a shut-off pipe 13 and a top cover 14. The water inlet pipe 11 is arranged on the upstream side of the water tank 2 and communicates with the water tank 2. The water pipe 11 is connected with the confluence pipe of the drainage pipe network, and the incoming water enters the inside of the well body 1 through the water inlet pipe 2; The outlet pipe 12 is mainly used for the discharge of clean rainwater; the interceptor pipe 13 is arranged on the downstream side of the sewage collection tank 5 and communicated with the sewage collection tank 5 for the discharge of initial rainwater. The top cover 14 is arranged on the top of the well body 1 for maintenance of the interception well.

The water tank 2 is connected with a deflector 8, which is divided into two flow paths at the deflector, the first flow path is connected to the sewage collection tank 5, and the second flow path communicates with the sedimentation tank 4 through the flow diversion tank 3, The turnover mechanism 6 is rotatably arranged on the partition between the sedimentation tank 4 and the sewage collection tank 5 to simultaneously open or close the sedimentation tank 4 and the sewage collection tank 5, when the turnover mechanism 6 When opened, the first flow path is connected, and the deflector 8 is connected to the sewage collection tank 5. When the flap mechanism 6 is closed, the first flow path is closed, and the flap mechanism 6 is connected to the deflector 8 and Outlet pipe 12; gate hole 521 is arranged on the partition between sewage collection tank 5 and sedimentation tank 4, and communicates with said sedimentation tank 4 and sewage collection tank 5; said gate valve 7 is arranged on said partition to open or close The gate hole 521 .

The upper end of the water tank 2 is open, and communicates with the water inlet pipe 11 through the opening. The water tank 2 includes a horizontal vertical plate 21 and a vertical vertical plate 22. The vertical vertical plate 22 is provided with a flow hole 211 for In communication with the downstream of the interception well. Three of the end faces of the deflector 8 are fixedly connected to the inner wall of the well body 1, and the other end extends into the upper opening of the sewage collection tank 5; A step portion 81 is provided on the end surface of the collection tank 5, and the step portion 81 is matched with the end portion of the turnover mechanism 6 facing the direction of the water inlet pipe 11. When the turnover mechanism 6 is rotated to a horizontal state, the A fit seal can be realized between the end portion and the step portion 81, and the step portion 81 is used for limiting the position of the turnover mechanism 6. Preferably, a sealing member, such as a sealing rubber skin, is provided on the stepped surface of the stepped portion 81 for sealing the joint surface. The sewage collection tank 5 includes a first longitudinal partition wall 51 and a second longitudinal partition wall 52, the bottoms of the two partition walls are arranged on the bottom wall of the well body 1, and the upper end of the first longitudinal partition wall 51 is connected to the The deflectors 8 are overlapped, the second longitudinal partition 52 is arranged between the sewage collection tank 5 and the sedimentation tank 4, and the interceptor 13 is arranged on the outer wall of the well body 1 between the two partitions above, and located at the bottom of the sewage collection tank 5, for the sewage in the sewage collection tank 5 to be discharged. A gate hole 521 is provided on the second longitudinal partition 52 for communicating with the sedimentation tank 4 and the sewage collection tank 5; a slant plate 41 is arranged in the sedimentation tank 4, and the bottom of the slant plate 41 faces The gate hole 521, and the bottom of the inclined plate 41 is slightly higher than the bottom of the gate hole 521, and the inclination angle between the inclined plate 41 and the horizontal plane is 20°-45°. The inclined plate 41 settles the incoming water and forms a certain impact potential energy to wash the sediment in the water to the sewage collection tank 5 for discharge.

The flow guide tank 3 is provided with a longitudinally penetrating flow channel 31 , and the flow guide tank 3 communicates with the guide plate 8 and the sedimentation tank 4 through the flow channel 31 . The guide groove 3 is arranged on one side of the upper ends of the first longitudinal partition wall 51 and the second longitudinal partition wall 52, and is located on one side of the flap mechanism 6 along the direction of the axis of the hinge shaft, wherein it is located in relation to the One side in the parallel direction of the flow channel 31 abuts against the inner wall of the well body 1 , and the sewage collection pool 5 is formed between the opposite side and the inner wall of the well body 1 , the first longitudinal partition wall 51 and the second longitudinal partition wall 52 The lid closes mouth 100. The flip mechanism 6 includes a plate body 61 and a floating body 62, the floating body 62 is arranged on the underside of one end of the plate body 61, and the flip mechanism 6 is hinged on the upper end of the second longitudinal partition wall 52, wherein One side provided with the floating body 62 is located in the sedimentation tank 4 , and the other side is located above the sewage collection tank 5 . The plate body 61 includes a first plate body part 611 and a second plate body part 612, with the axis where the hinge shaft is located as the boundary, the side of the plate body 61 provided with the floating body is the first plate body part 611, and the other side is the first plate body part 611. The second plate body part 612 , the shape and size of the second plate body part 612 matches the cover opening 100 , and the width of the first plate body part 611 matches the opening width of the sedimentation tank 4 . When the turnover mechanism 6 is rotated to the horizontal position, the second plate body part 612 is covered on the cover opening 100 , and the end of the second plate body part 612 is engaged with the step part 81 Above, the second plate body part 612 forms a seamless connection with the side wall between the diversion groove 3, and completely seals the upper end opening of the sewage collection tank 5, and the first plate body part 611 Most of the upper opening of the sedimentation tank 4 is covered and sealed, and only the water outlet 200 of the sedimentation tank 4 is formed at the water outlet end of the diversion tank 3, which is used to supplement the water volume of the sedimentation tank 4, To ensure that the floating body 62 is in the maximum floating state.

A gate valve 7 matched with the gate hole 521 is provided on the side of the second longitudinal partition wall 52 facing the sewage collection tank 5 , and the lower end of the gate valve 7 is hinged on the second longitudinal partition wall 52 . The gate valve 7 includes a gate 71, a push rod 72, a floating body 73 and a connecting chain 74. The push rod 72 is hinged on the first longitudinal partition 51, and one end of the push rod 72 is connected to the gate 71. The upper end is hinged, and the other end is connected with the floating body 73 through the connecting chain 74 . The connecting chain 74 passes through the deflector 8 , and the connecting chain 74 is preferably a rope, such as a nylon rope. The gate valve 7 is driven to open and close by the push rod 72 , so as to realize the communication and closure between the sedimentation tank 4 and the sewage collection tank 5 .

Preferably, the buoys 73 and 62 are preferably buoys or buoys.

When the initial rainwater enters the water tank 2 through the water inlet pipe 11, due to the small amount of initial rainwater, the floating body 73 and the floating body 62 are in a non-floating state or a small floating state. The flap mechanism 6 is opened, and the incoming water flows through the flow guide plate 8 through the flow hole 211. The incoming water flowing into the deflector plate 8 enters the sewage collection tank 5 with a certain ratio, and the other part passes through the guide plate 8. The tank 3 enters the sedimentation tank 4, and finally enters the sewage collection tank 5; the two parts of initial rainwater are discharged through the intercepting pipe 13, and enter the sewage treatment plant for treatment.

As the rainfall increases, the incoming water gradually increases. When the incoming water exceeds the flow capacity of the flow hole 211 , the floating body 73 floats up to close the shutter 71 . Thereafter, the rainwater entering the sedimentation tank 4 through the diversion tank 3 causes the water level in the sedimentation tank 4 to rise slowly until the floating body 62 is floated, and the second plate body part 612 covers the cover opening 100 Together, the first plate body part 611 overlaps the inner wall of the well body 1 . Thereafter, incoming water enters the water outlet pipe 12 through the deflector 8 and the plate body 61 to be discharged for collection and utilization.

During the later period of rainfall, as the amount of rainfall decreases, the floating body 73 falls, and the shutter 71 opens, and the rainwater in the sedimentation tank 4 flows to the sewage collection tank 5 at a certain speed under the action of the inclined plate, and flushes Remove the deposited sediment, thus avoiding repeated accumulation of sediment. At the same time, the floating body 62 falls to open the second plate body 612, and the incoming water re-enters the sewage collection tank 5 to be discharged.

In this application, since the intercepting well can control the opening and closing of the gate valve 7 according to the water volume, thereby controlling the closing and opening of the flap mechanism 6, and then separately collect and process the initial rainwater and clean rainwater; and The interception well is simple in construction, strong in operability, and can realize continuous and stable operation.

It should be noted that in this article, relational terms such as first and second etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. any such actual relationship or order exists between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

Finally, it should be noted that: obviously, the above-mentioned embodiments are only examples for clearly illustrating the present invention, rather than limiting the implementation. For those of ordinary skill in the art, on the basis of the above description, other changes or changes in different forms can also be made. It is not necessary and impossible to exhaustively list all the implementation manners here. However, obvious changes or modifications derived therefrom are still within the protection scope of the present invention.

Claims (9)

1. an intercepting well, is characterized in that, comprises the well body (1) that is provided with water inlet pipe (11), outlet pipe (12) and intercepting pipe (13), is arranged on the water tank (2) in the well body (1) ), diversion tank (3), sedimentation tank (4), sewage collection tank (5), flap mechanism (6), gate valve (7) and deflector (8); The water inlet pipe (11) is arranged on the upstream side of the water tank (2), and communicates with the water tank (2); the water outlet pipe (12) is arranged on the downstream side of the sedimentation tank (4), and It communicates with the sedimentation tank (4); the intercepting pipe (13) is arranged on the downstream side of the sewage collection tank (5) and communicates with the sewage collection tank (5); The water tank (2) is connected with a deflector (8), which is divided into two flow paths at the deflector, the first flow path is connected to the sewage collection tank (5), and the second flow path passes through the flow diversion groove (3) In communication with the sedimentation tank (4), the flap mechanism (6) is rotatably arranged on the partition between the sedimentation tank (4) and the sewage collection tank (5) to simultaneously open or close the When the sedimentation tank (4) and the sewage collection tank (5) are opened, the first flow path is connected, and the deflector (8) is connected to the sewage collection tank (5). When the flap mechanism (6) is closed, the first flow path is closed, and the flap mechanism (6) communicates with the deflector (8) and the outlet pipe (12); A gate hole (521) is arranged on the partition between (4) to communicate with the sedimentation tank (4) and the sewage collection tank (5); the gate valve (7) is arranged on the partition to open or close the Describe the gate hole (521). 2. interception well according to claim 1, is characterized in that, described water tank (2) is arranged on the top of the upstream of sewage collection pool (5), and water tank is the box-shaped structure of upper end opening, and passes through described opening and The water inlet pipe (11) is in communication, and the bottom of the water tank (2) is provided with a flow hole (211) in communication with the deflector. 3. The interception well according to claim 2, wherein three end faces of the deflector (8) are fixedly connected to the inner wall of the well body (1), and the other end face extends to the inner wall of the well body (1). In the upper opening of the sewage collection tank (5). 4. interception well according to claim 3, is characterized in that, on the end face of described deflector plate (8) towards described sewage collecting tank (5), step portion (81) is provided, and described step portion ( 81) match with the end of the turnover mechanism (6) facing the direction of the water inlet pipe (11), when the turnover mechanism (6) is rotated to a horizontal state, the end and the step part (81) A fit seal can be achieved between them. 5. interception well according to claim 4, is characterized in that, described sewage collecting tank (5) comprises first longitudinal partition (51) and second longitudinal partition (52), and the bottom of described two partitions is arranged on On the bottom wall of the well body (1), the upper end of the first longitudinal partition (51) is overlapped with the deflector (8), and the second longitudinal partition (52) is arranged on the sewage collection Between pond (5) and sedimentation pond (4); The shut-off pipe (13) is arranged on the outer wall between the two partitions on the well body (1), and is located at the bottom of the sewage collection tank (5); it is arranged in the sedimentation tank (4) There is an inclined plate (41), the bottom of the inclined plate (41) faces the gate hole (521), and the bottom of the inclined plate (41) is slightly higher than the bottom of the gate hole (521). 6. interceptor well according to claim 5, is characterized in that, described diversion groove (3) is provided with the flow passage (31) that runs through longitudinally, and described diversion groove (3) passes through described flow passage ( 31) communicate with the deflector (8) and the sedimentation tank (4); The guide groove (3) is arranged on one side of the upper ends of the first longitudinal partition wall (51) and the second longitudinal partition wall (52), wherein one side parallel to the flow channel (31) abuts against The inner wall of the well body (1), the opposite side and the inner wall of the well body (1), the first longitudinal partition (51) and the second longitudinal partition (52) form a sewage collection pool (5) The lid closes (100). 7. The interception well according to claim 6, characterized in that, the flap mechanism (6) comprises a plate body (61) and a floating body (62), and the floating body (62) is arranged on the plate body (61) ), the flap mechanism (6) is hinged on the upper end of the second longitudinal partition (52), wherein the side where the floating body (62) is provided is located in the sedimentation tank (4), and the other One side is located above the sewage collection tank (5); The plate body (61) includes a first plate body portion (611) and a second plate body portion (612), bounded by the axis where the hinge shaft is located, and the side of the plate body (61) on which the floating body is arranged is the first plate body Body (611), the other side is the second plate body (612), the shape and size of the second plate body (612) matches the cover opening (100), the first plate body (611 ) width matches the opening width of the sedimentation tank (4); When the flap mechanism (6) rotates to the horizontal position, the second plate body (612) covers the cover opening (100), and the end of the second plate body (612) Fastened on the step portion (81), the second plate body portion (612) forms a seamless connection with the side wall between the diversion groove (3), and the sewage collection pool ( 5) The upper opening of the upper end is completely sealed, and the first plate body part (611) covers and seals most of the upper opening of the sedimentation tank (4), and only the water outlet end of the diversion tank (3) forms a The water supply port (200) of the sedimentation tank (4). 8. The interception well according to claim 5, characterized in that, the gate valve (7) comprises a gate (71), a push rod (72), a floating body (73) and a connecting chain (74), and the push rod (72) is hinged on the first longitudinal partition (51), one end of the push rod (72) is hinged to the upper end of the gate (71), and the other end is connected to the The floating bodies (73) are connected, the connecting chain (74) passes through the deflector (8), and the floating bodies (73) are arranged in the water tank (2). 9. The interception well according to claim 7 or 8, wherein the buoyant body is a floating ball or a buoy.