CN219411161U - Sewage intercepting well - Google Patents

Abstract

The utility model relates to the field of municipal drainage, in particular to a sewage intercepting well, which comprises an intercepting well body, a water inlet pipe, a sewage pipe, a water purifying pipe, a flow cutting mechanism and a sewage cleaning mechanism, wherein the water inlet pipe, the sewage pipe and the water inlet pipe are all arranged on the intercepting well body, and the flow cutting mechanism is arranged on the intercepting well body and is used for switching the communication between the intercepting well body and the sewage pipe or the water purifying pipe; the sewage disposal mechanism comprises a sewage disposal pipe and a water pump, wherein the sewage disposal pipe is arranged on the intercepting well body, the sewage disposal pipe faces the bottom wall of the intercepting well body, the water pump is arranged on the intercepting well body, and the water pump is connected with the sewage disposal pipe. The application has the effect of reducing the influence on drainage performance of the intercepting well.

Description

Sewage intercepting well

Technical Field

The application relates to the field of municipal drainage, in particular to a sewage intercepting well.

Background

At present, when raining, the initial rainwater can carry a large amount of toxic and harmful substances into a rainwater pipeline, and if the rainwater is directly discharged into natural water, the water environment can be seriously polluted. In order to reduce pollution to natural water, a common intercepting well system is used to intercept rainwater into a sewage pipeline and enter a sewage treatment plant for treatment.

In the prior art, most old urban areas (old county) adopt a closure flow-merging drainage system, domestic sewage, industrial wastewater and rainwater which are merged in a street pipe channel are discharged to a closure main pipe along a river together, then enter a closure well, and the closure well conveys the sewage to a sewage treatment plant.

With respect to the related art as described above, the inventors have found that various solid impurities are generally mixed in sewage and rainwater flowing through the intercepting well, and the solid impurities generally include settling impurities and suspended impurities, which are settled at the bottom of the intercepting well, and easily affect drainage performance of the entire structure.

Disclosure of Invention

To reduce the impact on drainage performance of a shut-in well, the present application provides a sewage shut-in well.

The application provides a sewage vatch basin adopts following technical scheme:

the sewage intercepting well comprises an intercepting well body, a water inlet pipe, a sewage pipe, a water purifying pipe, a flow cutting mechanism and a sewage cleaning mechanism, wherein the water inlet pipe, the sewage pipe and the water inlet pipe are arranged on the intercepting well body, and the flow cutting mechanism is arranged on the intercepting well body and used for switching the communication between the intercepting well body and the sewage pipe or the water purifying pipe; the sewage disposal mechanism comprises a sewage disposal pipe and a water pump, wherein the sewage disposal pipe is arranged on the intercepting well body, the sewage disposal pipe faces the bottom wall of the intercepting well body, the water pump is arranged on the intercepting well body, and the water pump is connected with the sewage disposal pipe.

By adopting the technical scheme, when raining is started, rainwater carries more impurities to enter the water inlet pipe, then enters the intercepting well body, then the sewage pipe is communicated with the intercepting well body by the flow cutting mechanism, sewage in the intercepting well body enters the sewage pipe and then enters the sewage treatment plant, when the sewage flows towards the sewage treatment plant, the water pump is started to pump the sewage and flush the bottom wall of the intercepting well body through the sewage pipe, so that the sewage is disturbed, and most of impurities enter the sewage treatment plant along with the sewage; the dirt removing mechanism can reduce the impurity in the sewage to be remained on the bottom wall of the intercepting well body, and further reduce the influence on the drainage performance of the intercepting well.

Preferably, the dirt cleaning mechanism further comprises a swinging assembly, the swinging assembly comprises a swinging motor, a first swinging rod, a second swinging rod, a third swinging rod and a rotating shaft, and the rotating shaft is rotatably connected to the intercepting well body and connected with the dirt flushing pipe; the swing motor is arranged on the outer side wall of the intercepting well body, one end of the first swing rod is fixedly connected to an output shaft of the swing motor, one end of the second swing rod is rotatably connected to the other end of the first swing rod, one end of the third swing rod is rotatably connected to the other end of the second swing rod, and the other end of the third swing rod is connected with the rotating shaft.

Through adopting above-mentioned technical scheme, start swing motor, swing motor drive first swinging arms swing, and first swinging arms drive the swing of second swinging arms, and the second swinging arms drive the swing of third swinging arms, and the third swinging arms drive the reciprocal rotation of axis of rotation, and the axis of rotation drives towards dirty pipe swing, and then makes towards dirty pipe and to the reciprocal washing of diapire of vatch basin body, further reduction impurity is detained in the bottom of vatch basin, and then makes drainage performance keep.

Preferably, a sewage temporary storage chamber is arranged on one side of the intercepting well body, the sewage pipe is connected with the sewage temporary storage chamber, a sewage lifting assembly is arranged on the intercepting well body, and the sewage lifting assembly is used for lifting sewage in the intercepting well body to the sewage temporary storage chamber.

By adopting the technical scheme, when the rain is large, sewage firstly enters the sewage temporary storage chamber, then enters the sewage treatment plant through the sewage temporary storage chamber, the sewage treatment plant cleans the sewage, and the sewage continuously enters the sewage temporary storage chamber for temporary storage, so that the sewage treatment time of the sewage treatment plant is given; meanwhile, the sewage can be subjected to preliminary precipitation, so that the sewage treatment plant is convenient to treat.

Preferably, the sewage lifting assembly comprises a lifting pump and a lifting pipe, wherein the lifting pump is arranged on the bottom wall of the intercepting well body, and the lifting pipe is arranged on the lifting pump and extends to the sewage temporary storage chamber.

Through adopting above-mentioned technical scheme, when the indoor liquid level of sewage temporary storage is higher, only rely on the effect of flowing automatically, the discharge efficiency of sewage is lower, starts the elevator pump, the elevator pump carries water to the riser, then gets into the sewage temporary storage room through the riser, the sewage lifting unit of setting, on the one hand can make the discharge efficiency of sewage keep, on the other hand can be used as extra sewage discharge power, and then make sewage flow automatically and the elevator pump is gone on simultaneously, and then make the discharge efficiency of sewage obtain improving.

Preferably, the filter mechanism is arranged in the intercepting well body, the filter mechanism comprises a filter box, a filter screen and a taking-out assembly, the filter box is connected in the intercepting well body in a sliding manner and located at the water outlet of the water inlet pipe, the filter box is close to the filter screen arranged on the side wall of the bottom wall of the intercepting well body, the taking-out assembly is arranged on the intercepting well body, and the taking-out assembly is connected with the filter box and drives the filter box to slide.

By adopting the technical scheme, when raining, sewage enters the filter tank through the water inlet pipe, then is filtered by the filter screen, so that larger impurities are retained in the filter tank, when the impurities in the filter tank are more, the filter tank is driven by the taking-out assembly to slide out of the intercepting well body, then the impurities are poured out of the filter tank, and then the filter tank is continuously lowered to the water outlet end of the water inlet pipe; the filter mechanism who sets up can reduce impurity and fall into on the diapire of vatch basin body, reduces the influence of impurity to drainage performance, and the filter mechanism who sets up simultaneously can reduce sewage treatment plant's the degree of difficulty of handling sewage.

Preferably, the take-out assembly comprises a guide rod and a lifting hinge, the guide rod is arranged on the intercepting well body, the filter box is connected to the guide rod in a sliding mode, and the lifting hinge is arranged at the top of the intercepting well body and connected with the filter box.

By adopting the technical scheme, when more impurities exist in the filter box, the lifting hinge is pulled, the lifting hinge drives the filter box to slide along the guide rod, then the filter box is pulled to the upper end part of the intercepting well body, and then the impurities in the filter box are cleaned; the extraction component is simple in structure and convenient to operate.

Preferably, the filter mechanism further comprises a shredding assembly, the shredding assembly comprises a fixed ring, a driving blade and a rotating blade, the fixed ring is arranged on the lifting pipe, the driving blade is rotatably arranged on the fixed ring, and the rotating blade is rotatably arranged in the fixed ring and connected with the driving blade.

Through adopting above-mentioned technical scheme, after having great impurity to get into the vatch basin body through the filter screen, start the elevator pump, in the elevator pump will sewage book total value riser, the elevator pump gives sewage power, and sewage promotes the drive leaf and rotates, and the rotatory sword leaf of drive She Daidong cuts impurity for get into sewage treatment plant's sewage, the impurity is comparatively broken, the sewage treatment of being convenient for can reduce great impurity simultaneously and collect the jam riser.

Preferably, the filter tank is internally provided with an extrusion mechanism, the extrusion mechanism comprises an extrusion net and a power assembly, a plurality of extrusion nets are slidably connected in the filter tank, the power assembly is arranged on the filter tank, and the power assembly is connected with the extrusion nets and drives the extrusion nets.

Through adopting above-mentioned technical scheme, when impurity in filter screen department is more, impurity can block up the filter screen, drives the extrusion net with power component and slides to the direction of keeping away from the filter screen, and the extrusion net drives impurity and rises and keep away from the filter screen for filter screen keeps clean, and then reduces the influence to the drainage effect.

Preferably, the power assembly comprises a plurality of windlass and traction ropes, the windlass is provided with a plurality of traction ropes and is respectively arranged on the intercepting well body, each windlass is wound with the traction ropes, and the traction ropes are respectively connected with the extrusion net and drive the extrusion net to slide.

By adopting the technical scheme, when more impurities exist at the filter screen, the winch is started, the winding press drives the traction rope to wind on the winch, the traction rope drives the extrusion net to slide in the direction away from the filter screen, and the extrusion net extrudes the impurities on the upper end wall of the filter box; the power component that sets up simple structure can effectively compress impurity, and then makes the filter tank can hold more impurity, makes the drainage effect of filter screen obtain keeping simultaneously.

In summary, the present application at least includes the following beneficial technical effects:

1. when the rain starts, the rainwater carries more impurities to enter the water inlet pipe, then enters the intercepting well body, then the sewage pipe is communicated with the intercepting well body by the flow cutting mechanism, sewage in the intercepting well body enters the sewage pipe and then enters the sewage treatment plant, when the sewage flows towards the sewage treatment plant, the water pump is started, the water pump pumps the sewage and washes the bottom wall of the intercepting well body through the sewage passing pipe, so that the sewage is disturbed, and most of the impurities enter the sewage treatment plant along with the sewage; the arranged dirt cleaning mechanism can reduce the stagnation of impurities in the sewage on the bottom wall of the intercepting well body, thereby reducing the influence on the drainage performance of the intercepting well;

2. when more impurities exist at the filter screen, the impurities can block the filter screen, the power assembly drives the extrusion net to slide in a direction away from the filter screen, and the extrusion net drives the impurities to rise and away from the filter screen, so that the filter screen is kept clean, and the influence on the drainage effect is reduced;

3. when more impurities exist at the filter screen, starting a winch, driving a traction rope to wind on the winch by a rolling machine, driving an extrusion net to slide in a direction away from the filter screen by the traction rope, and extruding the impurities on the upper end wall of the filter box by the extrusion net; the power component that sets up simple structure can effectively compress impurity, and then makes the filter tank can hold more impurity, makes the drainage effect of filter screen obtain keeping simultaneously.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view of a shut-in well body in an embodiment of the present application;

FIG. 3 is a schematic view of a swing assembly according to an embodiment of the present application;

FIG. 4 is a schematic view of the structure of the shredding assembly of an embodiment of the present application;

FIG. 5 is a schematic view of the take-out assembly according to an embodiment of the present application;

fig. 6 is a schematic structural view of a filtering mechanism in an embodiment of the present application.

Reference numerals: 100. a closure well body; 200. a water inlet pipe; 300. a sewage pipe; 400. a water purifying pipe; 500. a tangential flow mechanism; 510. a first guide rail; 520. a first gate; 530. a rotating assembly; 531. a first rotating lever; 532. a first screw; 533. a first rotary handle; 534. a second rotating lever; 535. a second screw; 536. a second rotary handle; 540. a second guide rail; 550. a second gate; 600. a cleaning mechanism; 610. a dirt flushing pipe; 620. a water pump; 630. a swing assembly; 631. a swing motor; 632. a first swing lever; 633. a second swing lever; 634. a third swing lever; 635. a rotating shaft; 640. a sewage temporary storage chamber; 650. a sewage lifting assembly; 651. a lift pump; 652. a riser; 700. a filtering mechanism; 710. a filter box; 720. a filter screen; 730. taking out the assembly; 731. a guide rod; 732. lifting the hinge; 733. lifting a winch; 740. a shredding assembly; 741. a fixing ring; 742. a driving blade; 743. rotating the blade; 800. an extrusion mechanism; 810. extruding the net; 820. a power assembly; 821. a hoist; 822. a traction rope; 823. a traction rod.

Detailed Description

The present application is described in further detail below in conjunction with fig. 1-6.

The embodiment of the application discloses a sewage intercepting well.

Referring to fig. 1 and 2, the sewage intercepting well includes an intercepting well body 100, a water inlet pipe 200 provided on the intercepting well body 100 for drainage of municipal pipe network, a sewage pipe 300 provided on the intercepting well body 100 for drainage of sewage, a water purifying pipe 400 provided on the intercepting well body 100 for drainage of purified water, a flow cutting mechanism 500 provided on the intercepting well body 100 for switching between the sewage pipe 300 and the water purifying pipe 400, and a cleaning mechanism 600 provided on the intercepting well body 100 for reducing precipitation of impurities, when raining, water collected by the municipal drainage pipe network enters the intercepting well body 100 through the water inlet pipe 200, is switched to the sewage pipe 300 by the flow cutting mechanism 500 to communicate with the intercepting well body 100, sewage in the intercepting well body 100 is discharged into a sewage treatment plant through the sewage pipe 300, and when the water becomes clean, the intercepting well body 100 is communicated with the water purifying pipe 400 by the flow cutting mechanism 500, and the water flows to a river.

Referring to fig. 1 and 2, the switching mechanism includes two first guide rails 510 fixedly connected to the inner wall of the intercepting well body 100, first guide grooves are formed in the side walls of the two first guide rails 510, which are close to each other, a first gate 520 is slidingly connected in the two first guide grooves together, the first gate 520 can be communicated with or cut off the communication between the intercepting well body 100 and the sewage pipe 300, a rotating assembly 530 is arranged on the intercepting well body 100, the rotating assembly 530 includes a first rotating rod 531 rotatably connected to the first gate 520, one end of the first rotating rod 531, which is far away from the first gate 520, is fixedly connected with a first screw 532, the first screw 532 is in threaded connection with the upper top wall of the intercepting well body 100, and a first rotating handle 533 is fixedly connected through the upper top wall of the intercepting well body 100; rotating the first rotating handle 533, the first rotating handle 533 may drive the first screw 532 to rotate, the first screw 532 drives the first rotating rod 531 to rotate, and the first rotating rod 531 drives the first gate 520 to slide along the first guiding groove.

Referring to fig. 1 and 2, two second guide rails 540 are fixedly connected to the inner wall of the intercepting well body 100, second guide grooves are formed in the side walls of the two second guide rails 540, which are close to each other, and second gates 550 are slidably connected in the two second guide grooves together, and the second gates 550 can be communicated with each other or cut off the communication between the intercepting well body 100 and the water purifying pipe 400; the rotating assembly 530 further comprises a second rotating rod 534 rotatably connected to the second gate 550, one end of the second rotating rod 534 away from the second gate 550 is fixedly connected with a second screw 535, and the second screw 535 is in threaded connection with the upper top wall of the vatch basin body 100 and passes through the upper top wall of the vatch basin body 100 to be fixedly connected with a second rotating handle 536; rotating the second rotating handle 536, the second rotating handle 536 may drive the second screw 535 to rotate, the second screw 535 drives the second rotating rod 534 to rotate, and the second rotating rod 534 drives the second gate 550 to slide along the second guiding groove.

Referring to fig. 2 and 3, the soil cleaning mechanism 600 includes a swing assembly 630, the swing assembly 630 includes a swing motor 631 fixedly connected to an outer sidewall of the intercepting well body 100, a first swing lever 632 is fixedly connected to an output shaft of the swing motor 631, a second swing lever 633 is rotatably connected to an end of the first swing lever 632 far away from the swing motor 631, a rotation axis 635 line of the second swing lever 633 is parallel to an axis line of the swing motor 631, a third swing lever 634 is rotatably connected to an end of the second swing lever 633 far away from the first swing lever 632, a rotation axis 635 is fixedly connected to an end of the third swing lever 634 far away from the second swing lever 633, the rotation axis 635 is rotatably connected to an inner wall of the intercepting well body 100, the rotation axis 635 is located at a side of the intercepting well body 100 far away from the sewage pipe 300, a plurality of soil flushing pipes 610 are fixedly connected to the rotation axis 635, and the soil flushing pipes 610 face a bottom wall of the intercepting well body 100; a water pump 620 is fixedly connected to the bottom wall of the intercepting well body 100, and a plurality of sewage flushing pipes 610 are connected with the water pump 620 through hoses.

Referring to fig. 2 and 4, a sewage temporary storage chamber 640 is disposed at one side of the intercepting well body 100 to which the sewage pipe 300 is fixedly connected, and the sewage temporary storage chamber 640 is connected with the sewage pipe 300 and is communicated with a sewage treatment plant; the sewage lifting assembly 650 is arranged in the intercepting well body 100, the sewage lifting assembly 650 comprises two lifting pumps 651 fixedly connected to the inner bottom wall of the intercepting well body 100, and the two lifting pumps 651 are respectively positioned at two sides of the sewage pipe 300; the water outlet end of the lifting pump 651 is fixedly connected with a lifting pipe 652, and the lifting pipe 652 is vertically arranged and extends out of the body of the intercepting well and is connected with the sewage temporary storage chamber 640.

Referring to fig. 1 and 2, a filtering mechanism 700 is disposed on a riser 652, the filtering mechanism 700 includes a shredding assembly 740, the shredding assembly 740 includes a fixed ring 741 fixedly connected to the riser 652 through a flange, a rotary blade 743 is rotatably connected to an inner wall of the fixed ring 741, a driving blade 742 is coaxially and fixedly connected to the rotary blade 743, and the driving blade 742 is disposed in the riser 652 and rotates along with the impact of water flow; the intercepting well body 100 is provided with a taking-out assembly 730, the taking-out assembly 730 comprises two guide rods 731 fixedly connected to the inner wall of the intercepting well body 100, the two guide rods 731 are respectively positioned on two sides of the water inlet pipe 200, the two guide rods 731 are connected with a filtering box 710 in a sliding manner, and the filtering box 710 slides along the length direction of the guide rods 731; the upper top wall of the intercepting well body 100 is fixedly connected with a lifting winch 733, a lifting hinge 732 is wound on the lifting winch 733, and the lifting hinge 732 is fixedly connected with the filter box 710 and drives the filter box 710 to slide along a guide rod 731.

Referring to fig. 5 and 6, a water outlet is formed in a side wall of the filter box 710, which is close to the bottom wall of the intercepting well body 100, and a filter screen 720 is fixedly connected to the water outlet, wherein the filter screen 720 is used for filtering impurities; the filtering box 710 is provided with an extrusion mechanism 800, the extrusion mechanism 800 comprises a plurality of extrusion nets 810, in this embodiment, three extrusion nets 810 are preferably three, two sliding blocks are fixedly connected to two ends of each extrusion net 810, three groups of sliding grooves for sliding of the sliding blocks are formed in the filtering box 710, the three groups of sliding grooves are arranged in parallel and are formed in the vertical direction, and the three groups of sliding grooves correspond to the three extrusion nets 810 respectively; the intercepting well body 100 is provided with a power assembly 820, the power assembly 820 comprises three winches 821 fixedly connected to the upper top wall of the intercepting well body 100, and the three winches 821 are arranged at equal intervals along the thickness direction of the filter box 710 and at equal intervals along the direction away from the intercepting well body 100; a traction rope 822 is wound on the winch 821, a traction rod 823 is fixedly connected to one end, far away from the winch 821, of the traction rope 822, and three traction rods 823 are fixedly connected with three groups of sliding blocks respectively.

The implementation principle of the sewage intercepting well provided by the embodiment of the application is as follows: when raining, the urban running water in the initial stage carries a large amount of impurities, sewage enters the intercepting well body 100 along the water inlet pipe 200 and then is filtered by the filter screen 720, the first rotating handle 533 is rotated, the first rotating handle 533 drives the first rotating rod 531 to rotate, the first rotating rod 531 drives the first gate 520 to open the sewage pipe 300, the sewage enters the sewage temporary storage chamber 640 along the sewage pipe 300 and then is temporarily stored and then enters the sewage treatment plant, when the water quantity is large or the water level of the sewage temporary storage chamber 640 is high, the lifting pump 651 can be started, the lifting pump 651 conveys the sewage to the lifting pipe 652, the sewage impacts and drives the driving blade 742 to rotate, and the driving blade 742 drives the rotating blade 743 to cut the impurities and enter the sewage temporary storage chamber 640; when more impurities exist on the filter screen 720, starting a winch 821 connected with the upper-layer extrusion screen 810, winding a traction rope 822 by the winch 821, driving a traction rod 823 to slide by the traction rope 822, and extruding the impurities on the upper end wall of the filter box 710 by the extrusion screen 810 driven by the traction rod 823, so that the impurities are separated from the filter screen 720, and the filtering effect of the filter screen 720 is maintained conveniently; after the impurities are contained in each extrusion net 810, the filtering effect of the filtering net 720 is deteriorated, the lifting winch 733 is started, the lifting winch 733 drives the lifting hinge 732 to lift, the lifting hinge 732 drives the filtering box 710 to be far away from the water inlet pipe 200, and then the impurities in the filtering box 710 are taken out.

When the rainfall reaches the middle stage, sewage with less impurities enters the intercepting well body 100, then the second rotating handle 536 is rotated, the second rotating handle 536 drives the second rotating rod 534 to rotate, and the second rotating rod 534 drives the second gate 550 to open the connection between the water purifying pipe 400 and the intercepting well body 100; the first rotating handle 533 is then rotated to close the connection of the sewage pipe 300 to the intercepting well body 100, so that water is discharged into the river or lake through the water purifying pipe 400.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. A sewage intercepting well, its characterized in that: the sewage treatment device comprises a intercepting well body (100), a water inlet pipe (200), a sewage pipe (300), a water purifying pipe (400), a flow cutting mechanism (500) and a sewage cleaning mechanism (600), wherein the water inlet pipe (200), the sewage pipe (300) and the water inlet pipe (200) are all arranged on the intercepting well body (100), and the flow cutting mechanism (500) is arranged on the intercepting well body (100) and is used for switching the communication between the intercepting well body (100) and the sewage pipe (300) or the water purifying pipe (400); the sewage disposal mechanism (600) comprises a sewage disposal pipe (610) and a water pump (620), wherein the sewage disposal pipe (610) is arranged on the intercepting well body (100), the sewage disposal pipe (610) faces to the bottom wall of the intercepting well body (100), the water pump (620) is arranged on the intercepting well body (100), and the water pump (620) is connected with the sewage disposal pipe (610).

2. A sewage interception well according to claim 1, wherein: the dirt cleaning mechanism (600) further comprises a swinging assembly (630), the swinging assembly (630) comprises a swinging motor (631), a first swinging rod (632), a second swinging rod (633), a third swinging rod (634) and a rotating shaft (635), and the rotating shaft (635) is rotatably connected to the intercepting well body (100) and is connected with the dirt flushing pipe (610); the swing motor (631) is arranged on the outer side wall of the intercepting well body (100), one end of the first swing rod (632) is fixedly connected to an output shaft of the swing motor (631), one end of the second swing rod (633) is rotationally connected to the other end of the first swing rod (632), one end of the third swing rod (634) is rotationally connected to the other end of the second swing rod (633), and the other end of the third swing rod (634) is connected to the rotating shaft (635).

3. A sewage interception well according to claim 1, wherein: the sewage temporary storage device is characterized in that a sewage temporary storage chamber (640) is arranged on one side of the intercepting well body (100), the sewage pipe (300) is connected with the sewage temporary storage chamber (640), a sewage lifting assembly (650) is arranged on the intercepting well body (100), and the sewage lifting assembly (650) is used for lifting sewage in the intercepting well body (100) to the sewage temporary storage chamber (640).

4. A sewage interception well according to claim 3, wherein: the sewage lifting assembly (650) comprises a lifting pump (651) and a lifting pipe (652), the lifting pump (651) is arranged on the bottom wall of the intercepting well body (100), and the lifting pipe (652) is arranged on the lifting pump (651) and extends to the sewage temporary storage chamber (640).

5. A sewage interception well according to claim 4, wherein: be provided with filter mechanism (700) in vatch basin body (100), filter mechanism (700) include rose box (710), filter screen (720) and take out subassembly (730), rose box (710) slip connect in vatch basin body (100) and be located the delivery port department of inlet tube (200), rose box (710) are close to install filter screen (720) on the lateral wall of vatch basin body (100) diapire, take out subassembly (730) set up on vatch basin body (100), take out subassembly (730) with rose box (710) are connected and drive rose box (710) slip.

6. A sewage shut-in well according to claim 5, wherein: the extraction assembly (730) comprises a guide rod (731) and a lifting hinge (732), the guide rod (731) is arranged on the intercepting well body (100), the filtering box (710) is connected to the guide rod (731) in a sliding mode, and the lifting hinge (732) is arranged at the top of the intercepting well body (100) and is connected with the filtering box (710).

7. A sewage shut-in well according to claim 5, wherein: the filtering mechanism (700) further comprises a shredding assembly (740), the shredding assembly (740) comprises a fixed ring (741), a driving blade (742) and a rotating blade (743), the fixed ring (741) is arranged on the lifting tube (652), the driving blade (742) is rotatably arranged on the fixed ring (741), and the rotating blade (743) is rotatably arranged in the fixed ring (741) and is connected with the driving blade (742).

8. A sewage shut-in well according to claim 5, wherein: be provided with extrusion mechanism (800) in rose box (710), extrusion mechanism (800) are including extrusion net (810) and power component (820), it is connected with a plurality of to slide in rose box (710) extrusion net (810), power component (820) set up on rose box (710), power component (820) with a plurality of extrusion net (810) are connected and drive a plurality of extrusion net (810).

9. A sewage shut-in well according to claim 8, wherein: the power assembly (820) comprises a winch (821) and traction ropes (822), the winch (821) is provided with a plurality of traction ropes (822) and is respectively arranged on the intercepting well body (100), each traction rope (822) is wound on each winch (821), and the traction ropes (822) are respectively connected with the extrusion net (810) and drive the extrusion net (810) to slide.