CN211395932U - Intercepting well capable of effectively controlling overflow pollution - Google Patents

Abstract

The utility model relates to an intercepting well for effectively controlling overflow pollution, which comprises a well body, a water inlet and a water outlet, wherein an overflow weir is commonly arranged between the two inner side walls of the well body, and the well body is divided into an intercepting area and an overflow area by the overflow weir; the upper end of the overflow weir is provided with a horizontal grid parallel to the overflow weir, and the bottom of the side wall of the flow interception area is provided with a sewage pipeline communicated with the flow interception area; the upper end surface of the horizontal grating is provided with a bearing plate, and two ends of the bearing plate are respectively fixedly connected with two inner side walls of the well body; the upper surface of the bearing plate is provided with a bearing groove in a downward concave manner, and a rotating shaft is rotatably connected between the two end walls of the bearing groove; the outer side wall of the rotating shaft is fixedly sleeved with an intercepting filter screen, and the inner side wall of the well body is provided with a abdicating cambered surface which is convenient for the intercepting filter screen to rotate; and a limiting plate is arranged on the upper end surface of the well body and is positioned right above the horizontal grating. The utility model discloses the effect that overflow in the effective control vatch basin pollutes has.

Description

Intercepting well capable of effectively controlling overflow pollution

Technical Field

The utility model belongs to the technical field of the technique that the rainwater dammed and specifically relates to a vatch basin that effective control overflow pollutes is related to.

Background

In a water inlet system in urban drainage engineering in China, a catch basin is used in a rain and sewage converging system for the purpose of separating rain and sewage; in dry seasons, only sewage is contained in the pipe, the intercepting well can intercept the sewage and flow the sewage into the sewage pipe, in rainy seasons, part of rainwater and the sewage are intercepted and flow into the sewage pipe, and the rest of rainwater overflows through the weir in the well and continues to flow downstream. For an urban drainage system, initial rainwater exceeding the throttling capacity of a main drainage pipe is directly drained into a natural water body, and because a large amount of floating objects and suspended matters are carried in the initial rainwater, the untreated initial rainwater can cause serious pollution to the water environment quality and the ecological environment of the natural water body when directly entering the natural water body.

The prior Chinese patent with the publication number of CN205637082U discloses an intercepting well with a horizontal grating intercepting device, which comprises an intercepting well body, wherein the intercepting well body comprises a water inlet and a water outlet, an overflow weir is arranged between the inner walls of the two sides of the intercepting well body, the overflow weir divides the intercepting well body into an intercepting area and an overflow area, the top end of the overflow weir is provided with a horizontal grating parallel to the top end of the overflow weir, and the bottom of the side wall of the intercepting area is provided with a sewage pipeline communicated with the intercepting area; above-mentioned vatch basin sets up the interception of horizontal grid through the overflow weir, can realize the interception to the floater promptly the suspended solid to prevent floater and suspended solid entering nature water, reduce the pollution to the nature water.

However, the height of the horizontal grating is limited, when the height of the water level entering the intercepting well is higher than the top height of the horizontal grating, the floating objects and suspended objects overflow from the upper end surface of the horizontal grating, the horizontal grating loses the interception effect on the floating objects, and therefore overflow pollutants cannot be effectively controlled, and improvement is needed.

Disclosure of Invention

The utility model aims at providing an effective control overflow pollutes vatch basin, it has the advantage that can effectively intercept the overflow pollutant in the vatch basin not enough to prior art exists.

The intercepting well capable of effectively controlling overflow pollution comprises a well body, a water inlet and a water outlet, wherein an overflow weir is commonly arranged between two inner side walls of the well body, and the overflow weir divides the well body into an intercepting area and an overflow area; the upper end of the overflow weir is provided with a horizontal grid parallel to the overflow weir, and the bottom of the side wall of the flow interception area is provided with a sewage pipeline communicated with the flow interception area; the upper end surface of the horizontal grating is provided with a bearing plate, and two ends of the bearing plate are fixedly connected with two inner side walls of the well body respectively; the upper surface of the bearing plate is provided with a bearing groove in a downward concave manner, and a rotating shaft is rotatably connected between the two end walls of the bearing groove; the outer side wall of the rotating shaft is fixedly sleeved with an intercepting filter screen, and the inner side wall of the well body is provided with a abdicating cambered surface convenient for the intercepting filter screen to rotate; and a limiting plate is arranged on the upper end surface of the well body and is positioned right above the horizontal grating.

By adopting the technical scheme, when the water level of the rainwater and sewage entering the well body is lower than the overflow weir, the floater directly flows into the sewage pipeline along with the rainwater and sewage; when the rainwater and sewage water level entering the well body is lower than the top of the horizontal grating, the floating objects are blocked by the horizontal grating and enter the sewage pipeline; when the rainwater sewage water level that gets into the well body is higher than the top height of horizontal grid, the interception filter screen can receive the crowded of rainwater and push and rotate along axis of rotation circumferential direction, during initial condition, interception filter screen is perpendicular and horizontal grid, when the interception filter screen rotates to parallels with horizontal filter screen, it can receive stopping rotation of blockking of stopper, the rainwater can get into the overflow district from the net gape of interception filter screen this moment, and the floater can receive blockking of interception filter screen and stay in the area of intercepting, when the water level descends, the interception filter screen can rotate to initial condition under its self action of gravity automatically.

Further, the interception filter screen is provided with two arc butt-joint blocks towards the end wall of the cambered surface direction of stepping down, the bilateral symmetry of the cambered surface of stepping down is provided with the arc butt-joint groove that supplies two arc butt-joint blocks to inlay.

Through adopting above-mentioned technical scheme, through inserting the arc butt joint piece arc butt joint inslot to increase interception filter screen and the area of contact between the cambered surface of stepping down, improve the stability that the interception filter screen slided on the cambered surface of stepping down.

And furthermore, springs are respectively arranged on the end walls, close to the water inlet, of the arc butt joint grooves, and one ends, far away from the bottom wall direction of the arc butt joint grooves, of the springs are respectively attached to the lower surfaces of the arc butt joint blocks.

Through adopting above-mentioned technical scheme, when the interception filter screen got back to again with horizontal grid looks vertically initial condition, arc butt joint piece receives the effect of gravity striking spring, spring deformation, and the interception filter screen is shake from top to bottom under the elastic action to shake off the floater of attaching on the interception filter screen.

Furthermore, each arc-shaped butt joint groove is provided with a limiting bulge on the end wall close to the water inlet, and each limiting bulge is inserted into the spring at the corresponding position.

Through adopting above-mentioned technical scheme, establish spacing protruding shrink route of fixing the spring through adding to make the spring can stably stretch out and draw back along vertical direction, exert its dynamics of the elastic force that acts on the interception filter screen to the biggest.

Furthermore, each be provided with the embedding groove that supplies spring and spacing arch to inlay respectively on the terminal surface of arc butt joint piece, the one end that the embedding groove notch is close to the interception filter screen is provided with the breach of stepping down.

By adopting the technical scheme, the contact area between the spring and the butt joint block is increased, and the connection stability between the spring and the butt joint block is improved; in addition, the setting of the abdicating notch can avoid the limit bulge and the spring from obstructing the sliding of the butt joint block.

Further, the limiting plate is provided with the mounting groove towards the one end of interception filter screen direction, the inside fixed blotter that is provided with of mounting groove.

Through adopting above-mentioned technical scheme, the blotter is made by the soft rubber materials of texture to the wire side that reduces the interception filter screen receives the pressure effect of rain sewage and collides the lateral wall at the limiting plate, thereby leads to the phenomenon of wearing and tearing.

Furthermore, a support frame is arranged between the bearing plate and the horizontal grating and comprises two vertical support plates and a plurality of transverse support plates, and all the transverse support plates are respectively and vertically fixed between the two vertical support plates.

Through adopting above-mentioned technical scheme, when discharge is great, the wire side of interception filter screen is easy to appear the condition of bending deformation under the crowded pulling force effect of rain sewage, consequently establishes the support frame through adding and plays the supporting role to the interception filter screen, prolongs the life of interception filter screen.

Furthermore, two side walls of the well body are respectively provided with fixing grooves for embedding the two vertical supporting plates.

Through adopting above-mentioned technical scheme, fixedly embedding respectively inside the fixed slot with the both sides of vertical support board to improve the steadiness of support frame and well body coupling, realize the support frame to the firm support of interception filter screen.

To sum up, the utility model discloses a beneficial technological effect does:

1. when the water level of the rain sewage entering the well body is lower than the overflow weir, the floating objects directly flow into the sewage pipeline along with the rain sewage; when the rainwater and sewage water level entering the well body is lower than the top of the horizontal grating, the floating objects are blocked by the horizontal grating and enter the sewage pipeline; when the water level of rainwater and sewage entering the well body is higher than the top height of the horizontal grid, the intercepting filter screen is extruded by the rainwater and pushed to rotate along the circumferential direction of the rotating shaft, when the intercepting filter screen is in an initial state, the intercepting filter screen is vertical to the horizontal grid, when the intercepting filter screen rotates to be parallel to the horizontal filter screen, the intercepting filter screen is blocked by the limiting block to stop rotating, rainwater can enter an overflow area from a screen opening of the intercepting filter screen, floaters can be blocked by the intercepting filter screen to be left in an intercepting area, and when the water level drops, the intercepting filter screen can automatically rotate to the initial state under the action of the gravity of the intercepting filter screen;

2. when the intercepting filter screen returns to the initial state vertical to the horizontal grating again, the arc butt-joint block impacts the spring under the action of gravity, the spring deforms, and the intercepting filter screen shakes up and down under the elastic action, so that floating objects attached to the intercepting filter screen are shaken off.

Drawings

FIG. 1 is a cross-sectional view of a vatch well effective in controlling overflow contamination;

FIG. 2 is an enlarged view of a portion A of the structure shown in FIG. 1;

fig. 3 is an enlarged view of the structure of part B in fig. 1.

In the figure: 1. a well body; 11. a water inlet; 12. a water outlet; 13. a sewage conduit; 2. an overflow weir; 21. a horizontal grid; 211. a bearing plate; 2111. a receiving groove; 2112. a rotating shaft; 22. a flow interception area; 23. an overflow area; 3. intercepting a filter screen; 31. an arc butt-joint block; 311. an embedding groove; 3111. a abdication gap; 4. a abdication cambered surface; 41. an arc-shaped butt-joint groove; 411. a spring; 4111. a limiting bulge; 5. a limiting plate; 51. mounting grooves; 511. a cushion pad; 6. a support frame; 61. a vertical support plate; 611. fixing grooves; 62. and a transverse support plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the intercepting well for effectively controlling overflow pollution disclosed by the utility model comprises a well body 1, wherein a water inlet 11 and a water outlet 12 are respectively arranged at two ends of the well body 1 in a penetrating manner, an overflow weir 2 is vertically cast on the inner bottom wall of the well body 1, and two ends of the overflow weir 2 are respectively fixedly connected with two side walls of the well body 1; a horizontal grid 21 is fixed on the upper end surface of the overflow weir 2 through bolts; two ends of the horizontal grating 21 are respectively fixedly connected with two ends of the well body 1; the horizontal grating 21 divides the well body 1 into a cut-off area 22 and an overflow area 23, wherein the cut-off area 22 is an area between the water inlet 11 and the horizontal grating 21, and the overflow area 23 is an area between the horizontal grating 21 and the water outlet 12.

Referring to fig. 1 and 2, a sewage pipeline 13 is arranged on one side wall of the well body 1 in a penetrating manner, and the sewage pipeline 13 is located in the flow intercepting region 22; after the rain sewage enters the well body 1 from the inlet port, when the water level of the rain sewage is lower than the lower end surface of the horizontal grating 21, the rain sewage can be directly discharged from the sewage pipe 13 and discharged into a sewage treatment plant; when the water level of the rain sewage is higher than the lower end surface of the horizontal grating 21, the rain water overflows from the horizontal grating 21 to the overflow area 23 and is discharged from the water outlet 12, and the floating objects in the rain sewage are blocked by the horizontal grating 21 in the intercepting area 22, in this embodiment, the horizontal grating 21 is the horizontal overflow grating 21, and the floating objects adhered to the horizontal grating 21 can be automatically removed by controlling the back and forth movement of a grating strip gap cleaning brush (not shown in the figure) through an electric control hydraulic system, and the horizontal overflow grating is the prior art and is not described herein again.

Referring to fig. 1 and 2, the upper surface of the horizontal grating 21 is fixedly connected with a bearing plate 211 through bolts, and two ends of the bearing plate 211 are respectively and fixedly connected with two side walls of the well body 1; the upper surface of the bearing plate 211 is provided with a bearing groove 2111 which is recessed downwards along the thickness direction, and the bearing groove 2111 is arranged along the length direction of the bearing plate 211; a rotating shaft 2112 is rotatably connected to the inner end wall of the bearing groove 2111, the intercepting filter screen 3 is fixedly sleeved on the outer side wall of the rotating shaft 2112, and an abdicating cambered surface 4 convenient for the rotation of the intercepting filter screen 3 is arranged on the inner side wall of the well body 1; a limiting plate 5 is welded on the upper surface of the well body 1 and right above the horizontal grating 21, and the limiting plate 5 is arranged along the width direction of the well body 1; under initial condition, interception filter screen 3 is placed perpendicularly in the upper end of horizontal grid, and when the water level height of rain sewage was higher than the up end of horizontal grid 21, interception filter screen 3 received the pressure effect of rain sewage and was jacked up to along the circumferential direction of axis of rotation 2112, when the lateral wall of interception filter screen 3 and limiting plate 5 lateral wall looks butt, the stall, the floater in the rain sewage was intercepted at damming zone 22 by interception filter screen 3, and the rainwater passes interception filter screen 3 and flows into overflow district 23, thereby solved because of horizontal grid 21 height is limited and to the not good problem of floater interception effect, effectively controlled overflow pollution.

Referring to fig. 1 and 2, the limiting plate 5 is recessed along the thickness direction thereof on the lateral wall towards the intercepting screen 3 direction and is provided with a mounting groove 51, the mounting groove 51 is arranged along the length direction of the limiting plate 5, a cushion 511 is adhered to the inside of the mounting groove 51, the cushion 511 is a rubber pad with soft texture, so as to reduce the impact of the intercepting screen 3 by the pushing force of rainwater and sewage on the limiting plate 5, and further cause the abrasion.

Referring to fig. 1 and 2, a support frame 6 is arranged between the limiting plate 5 and the horizontal grating 21 to support the intercepting filter net 3, so that the bending of the net surface of the intercepting filter net 3 due to the impact of rain and sewage is reduced, and the service life of the intercepting filter net 3 is prolonged; the support frame 6 comprises two vertical support plates 61 and a plurality of transverse support plates 62, and all the transverse support plates 62 are respectively and vertically welded between the two vertical support plates 61; fixing grooves 611 are respectively formed in the two inner side walls of the well body 1 in a concave mode along the thickness direction of the well body, and one sides of the two vertical supporting plates 61 are respectively adhered to the fixing grooves 611 in the corresponding positions.

Referring to fig. 1 and 3, arc-shaped butt-joint grooves 41 are respectively formed in the abdicating arc surface 4 and at the two sides of the abdicating arc surface along the thickness direction of the abdicating arc surface, and two arc-shaped butt-joint blocks 31 respectively inserted into the arc-shaped butt-joint grooves 41 are arranged on the end surface of the interception filter screen 3 close to the abdicating arc surface 4; a spring 411 is respectively adhered to the end wall of each arc-shaped butt joint groove 41 close to the water inlet 11, and one end of each spring 411 far away from the end wall of each arc-shaped butt joint groove 41 is respectively attached to the lower surface of the horizontally-rotating interception filter screen 3; after the water level is lowered, the intercepting filter net 3 is rotated back to the horizontal state again under the action of the gravity of the intercepting filter net 3, at the moment, the arc-shaped butt-joint block 31 is contacted with the spring 411 at the corresponding position, so that the spring 411 is deformed, and then the intercepting filter net 3 is shaken up and down under the action of the elastic force, so that the floating objects adhered to the lower surface of the intercepting filter net 3 are shaken off.

Referring to fig. 1 and 3, a limiting protrusion 4111 is respectively inserted into each spring 411, and the bottom of each limiting protrusion 4111 is respectively welded to the end wall of the arc-shaped docking slot 41 to limit the telescopic path of the spring 411, so that the spring 411 can stably extend and retract in the vertical direction; the lower end surface of each arc butt joint block 31 is respectively provided with a recessed embedding groove 311 for inserting the spring 411 and the limiting protrusion 4111, so that the arc butt joint blocks 31 and the spring 411 are stably connected; notch department of each embedding groove 311 and be located its position that is close to interception filter screen 3 is provided with respectively and gives way breach 3111 to avoid spring 411 and spacing arch 4111 to obstruct sliding of arc butt joint piece 31.

The implementation principle of the embodiment is as follows:

when the water level is lower than the horizontal grating 21 after the rain sewage enters the interior of the well body 1 from the water inlet 11, the rain sewage is directly discharged from the sewage pipeline 13; when the water level is lower than the upper end surface of the horizontal grating 21, the floating objects are blocked in the intercepting area 22 by the horizontal grating 21 and are automatically cleared through the horizontal grating 21, and the rainwater overflows from the horizontal grating 21 to the overflow area 23 and is discharged from the water outlet 12; when the water level is higher than the upper end surface of the horizontal grid 21, the intercepting filter screen 3 rotates under the impact of rain sewage, rain water overflows from a screen port of the intercepting filter screen 3 to an overflow area 23 and flows out, and floaters are intercepted in the intercepting area 22 by the intercepting filter screen 3; when the water level descends, the intercepting filter screen 3 returns to the horizontal state again under the action of self gravity, the arc-shaped butt plate and the spring 411 want to touch at the moment, the spring 411 deforms, the intercepting filter screen 3 shakes off floaters on the lower surface of the intercepting filter screen under the action of elastic force, and finally effective interception of overflow pollutants is achieved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The intercepting well capable of effectively controlling overflow pollution comprises a well body (1), a water inlet (11) and a water outlet (12), wherein an overflow weir (2) is commonly arranged between the two inner side walls of the well body (1), and the well body (1) is divided into an intercepting area (22) and an overflow area (23) by the overflow weir (2); the upper end of the overflow weir (2) is provided with a horizontal grid (21) which is parallel to the overflow weir, and the bottom of the side wall of the flow interception area (22) is provided with a sewage pipeline (13) which is communicated with the flow interception area; the method is characterized in that: the upper end surface of the horizontal grating (21) is provided with a bearing plate (211), and two ends of the bearing plate (211) are respectively fixedly connected with two inner side walls of the well body (1); the upper surface of the bearing plate (211) is provided with a bearing groove (2111) in a downward concave mode, and a rotating shaft (2112) is rotatably connected between two end walls of the bearing groove (2111); the outer side wall of the rotating shaft (2112) is fixedly sleeved with an intercepting filter screen (3), and the inner side wall of the well body (1) is provided with a abdicating cambered surface (4) convenient for the rotation of the intercepting filter screen (3); and a limiting plate (5) is arranged on the upper end surface of the well body (1) and is positioned right above the horizontal grating (21).

2. The vatch basin for effective control of overflow contamination of claim 1, wherein: interception filter screen (3) are provided with two arc butt joint pieces (31) towards on the end wall of the cambered surface of stepping down (4) direction, the bilateral symmetry of stepping down cambered surface (4) is provided with arc butt joint groove (41) that supplies two arc butt joint pieces (31) to inlay.

3. The vatch well effective for controlling overflow contamination of claim 2, wherein: each arc butt joint groove (41) is provided with spring (411) on being close to the end wall of water inlet (11) position respectively, each spring (411) keep away from the one end of arc butt joint groove (41) diapire direction and laminate mutually with the lower surface of arc butt joint piece (31) respectively.

4. The vatch basin for effective control of overflow contamination of claim 3, wherein: each arc butt joint groove (41) is provided with spacing arch (4111) on being close to the end wall of water inlet (11) position respectively, each spacing arch (4111) is inserted respectively and is established in spring (411) of corresponding position.

5. The vatch basin for effective control of overflow contamination of claim 4, wherein: each be provided with embedding groove (311) that supply spring (411) and spacing arch (4111) to set respectively on the terminal surface of arc butt joint piece (31), the one end that embedding groove (311) notch is close to interception filter screen (3) is provided with notch of stepping down (3111).

6. The vatch basin for effective control of overflow contamination of claim 5, wherein: limiting plate (5) are provided with mounting groove (51) towards the one end of intercepting filter screen (3) direction, mounting groove (51) inside fixed be provided with blotter (511).

7. The vatch basin for effective control of overflow contamination of claim 6, wherein: support frame (6) are provided with between accept board (211) and horizontal grid (21) jointly, support frame (6) include two vertical support board (61) and a plurality of horizontal backup pad (62), all horizontal backup pad (62) vertical fixation respectively between two vertical support board (61).

8. The vatch well effective for controlling overflow contamination of claim 7, wherein: two side walls of the well body (1) are respectively provided with fixing grooves (611) for embedding the two vertical supporting plates (61).

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