Middle-end sewage treatment device for sewage pipe network inspection well

Abstract

The invention relates to the technical field of sewage treatment, in particular to a middle-end sewage treatment device for a sewage pipe network inspection well, which comprises an inspection well main body, a water inlet pipe and a water outlet pipe are respectively arranged on two sides of the inspection well main body, a well lid is arranged on the top of the inspection well main body, and the well lid is fixed through a locking buckle. A flow guide part and a guide part for guiding sewage are arranged in the inspection well main body, a lifting part and a filtering part are further arranged at the lower end of the guide part, and an auxiliary part capable of cutting fibrous impurities is further arranged on the inner side of the flow guide part. The inspection well is improved on the basis of an original inspection well, impurities are filtered and intercepted, a structure for cleaning the taken-out impurities is arranged, the inspection well is suitable for the reserved space of the original inspection well, the work amount is small, and the transformation and upgrading cost is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sewage treatment, in particular to a middle-end sewage treatment device for a sewage pipe network inspection well. BACKGROUND

[0002] Sewage treatment is an important means to ensure water quality in water cycle. In common sewage pipe networks, sewage from various sewage pipes is usually collected, and sewage treatment equipment is arranged at the terminal of the sewage pipe network for centralized treatment. An inspection well for regular maintenance is arranged at the front end of the sewage treatment equipment, usually at the intersection of the pipe, the turning point, the slope change point and every certain distance of the straight pipe section, and the inspection well does not participate in sewage treatment.

[0003] A large number of existing sewage pipe networks have found that fibrous substances (such as plastic bags and hair) pose a great threat to the pipe network and can easily cause poor water flow or even pipe blockage. However, the existing filter usually has poor treatment effect on fibrous substances, and the space for reconstruction of the sewage pipe network in use is limited, the engineering quantity is large, and the cost is high, so that the threat of fibrous substances to the sewage pipe network is difficult to eliminate. SUMMARY

[0004] In order to achieve the above purpose, the present application provides a middle-end sewage treatment device for a sewage pipe network inspection well, which comprises an inspection well body, water inlet pipes and water outlet pipes are arranged on both sides of the inspection well body, a well cover is arranged at the top of the inspection well body, the well cover is fixed by a locking buckle, a flow guide component and a guide component for guiding sewage are arranged inside the inspection well body, a lifting component and a filter component are further arranged at the lower end of the guide component, and an auxiliary component for cutting fibrous impurities is further arranged on the inner side of the flow guide component.

[0005] The flow guide component comprises a conical flow guide pipe fixed inside the water inlet pipe, a limiting ring is fixedly arranged at the right end of the conical flow guide pipe in mirror image, and two groups of limiting rings are used to support the fixed shaft.

[0006] The auxiliary component comprises a fixed shaft, an auxiliary fan blade for cutting fibrous impurities is installed on the fixed shaft, and a bevel gear is further connected to one end of the fixed shaft.

[0007] Further, the guide component comprises a bevel gear in contact and engagement with a transmission bevel gear, the transmission bevel gear is connected with a rotating rod, the rotating rod is installed at the lower end of a limiting seat, the limiting seat is fixedly arranged at the lower side of the top end of a movable frame, a guide plate for flow guide separation is connected to one side of the movable frame, and a guide fan blade for guiding sewage flow is arranged at the bottom end of the rotating rod.

[0008] Further, the guide plate is provided with a groove below, and the guide plate is provided with a movable block on one side, and the guide plate is provided with a lifting frame on one side, and the lifting frame is provided with a contact rod on the lower end, and the guide plate is provided with a lifting groove in the middle position, and the lifting frame is provided with a limiting groove and a movable hole, and the top of the lifting frame is connected with a pull ring through a connecting rod.

[0009] Further, the lifting component comprises: the lifting frame is provided with a collecting plate which can swing up and down on one side, the collecting plate is provided with a water inlet grid for water flow on the upper end, the collecting plate is connected with the lifting frame through a movable shaft, the movable shaft is provided with a movable groove matched with the movable block on one side, and the lifting frame is provided with a mounting groove symmetrically.

[0010] Further, the guide plate is provided with a limiting block on one side, and the limiting block is provided with a limiting rod, and the upper side of the limiting rod is provided with a collecting plate, and the collecting plate is connected with the lifting frame through a reset spring, and the lower side of the collecting plate is provided with a lifting cylinder, and the lifting cylinder is used for lifting the collecting plate.

[0011] Further, the locking component comprises: the lower end of the movable frame is provided with a sliding block, the sliding block is provided on the top end of a limiting seat, the sliding block is matched and embedded in a sliding groove to form a sliding connection, and the limiting groove is inserted with a sliding rod, and the sliding rod is fixedly connected with the limiting seat.

[0012] Further, the movable component comprises: the bottom of the inspection well body is fixedly provided with a fixed base, and the fixed base is installed with a limiting shaft, and the limiting shaft is inserted in the movable hole.

[0013] Further, the collecting component comprises: the lifting frame is fixedly provided with a collecting box on the front end, and the collecting box is provided with a collecting opening, and the inner side of the collecting opening is movably installed with a baffle, and the baffle is connected with the collecting box through an elastic spring.

[0014] Further, one side of the collecting opening is provided with a pressing rod, and the pressing rod is connected with a driving piece, and the pressing rod is driven to rotate and press the baffle through the driving piece.

[0015] Further, the filtering component comprises: the bottom of the inspection well body is provided with an arc-shaped well shaft, the arc-shaped well shaft is provided with a plurality of stepped grids with gradually reduced spacing from top to bottom inside, the arc-shaped well shaft is further provided with a filter cylinder below, the filter cylinder is provided with a filling hopper on one side, the filter cylinder is connected with a filter water cylinder below, the filling hopper and the filter water cylinder are provided with water outlets, and the outer sides of the filter cylinder, the filling hopper and the filter water cylinder are provided with a mud collecting hopper.

[0016] Compared with the prior art, the embodiment of the application has the following beneficial effects:

[0017] On the basis of the original inspection well, the upgrading is carried out, the impurities are filtered and intercepted, it is suitable for the original reserved space of the inspection well, the engineering quantity is small, and the cost of the reconstruction and upgrading is reduced.

[0018] When the sewage enters the inspection well through the water inlet, the conical guide pipe makes the flow rate increase, the faster flow rate can prevent the pipe from being blocked due to accumulation, the upper and lower two groups of collecting plates can alternately collect larger fiber materials, and the upper and lower two groups of collecting plates can be alternately inclined through the upper end of the abutting rod and the lower end of the limiting rod to uniformly collect the collected materials through the collecting port, the multi-stage grids with different intervals can gradually intercept sundries, prevent large-particle impurities from blocking the pipe, the filter cylinder can further filter the excess impurities, and the solid-liquid separation efficiency can be effectively improved, the sewage passes through the filter cylinder and the water outlet hole, the sediment slides into the mud collecting hopper to be deposited, the filler hopper inside adsorbs the excess impurities in the sewage while reducing the peculiar smell, and is discharged to the next inspection well through the water outlet pipe, when the inside is saturated, the staff can pull the lifting ring to take out the movable frame, clean the internal residues and replace the filler, and the treatment efficiency and the sewage purification effect can be effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] The application will be further described below in combination with the drawings and examples.

[0020] Figure 1 The axial side view of the application is shown;

[0021] Figure 2 The front view of the application is shown;

[0022] Figure 3 The axial side view of the application is shown;

[0023] Figure 4 The axial side view of the application is shown;

[0024] Figure 5 The enlarged view of the filter part of the application is shown;

[0025] Figure 6 The enlarged view of the auxiliary part of the application is shown;

[0026] Figure 7 The left view of the application is shown;

[0027] Figure 8 The top view of the application is shown;

[0028] Figure 9 The enlarged view of the lifting part of the application is shown;

[0029] Figure 10 The enlarged view of the collection part of the application is shown;

[0030] Figure 11 The collection component side view of the present application is shown;

[0031] Figure 12 The lifting component side view of the present application is shown.

[0032] In the figure:

[0033] 11, well lid; 12, water inlet pipe; 13, water outlet pipe;

[0034] 21, conical guide pipe; 22, limiting ring;

[0035] 31, rotating bevel gear; 32, movable frame; 33, guide plate; 34, limiting seat;

[0036] 35, rotating rod; 36, transmission bevel gear; 37, guide vane;

[0037] 41, arc-shaped well shaft; 42, multi-stage grid; 43, filter cylinder; 44, water filtering cylinder;

[0038] 45, water outlet hole; 46, mud collecting hopper; 47, filler hopper;

[0039] 51, sliding block; 53, limiting groove; 54, sliding rod;

[0040] 55, locking buckle;

[0041] 61, fixed base; 62, movable hole; 63, limiting shaft; 64, pull ring;

[0042] 71, fixed shaft; 72, auxiliary vane;

[0043] 91, abutting rod; 92, lifting groove; 93, opening groove; 94, lifting frame;

[0044] 95, mounting groove; 96, movable shaft; 97, collecting plate; 98, movable groove; 99, movable block;

[0045] 90, water inlet grid;

[0046] 101, collecting box; 102, collecting port; 103, baffle; 104, extension spring;

[0047] 105, limiting block; 106, limiting rod; 107, return spring; 1071, protruding block structure; 108, lifting air cylinder;

[0048] 109, extrusion rod; 110, driving member. DETAILED DESCRIPTION

[0049] The present application will now be further described in detail with reference to the accompanying drawings in which Figure 1 ,Figure 1 An axonometric view of the invention is shown; please refer to [link / reference]. Figure 2 , Figure 2 A front sectional view of the present invention is shown; please refer to... Figure 3 , Figure 3 An axonometric sectional view of the invention is shown; please refer to [link / reference]. Figure 4 , Figure 4 An axonal view of the present invention is shown; please refer to... Figure 5 , Figure 5 An enlarged view of the filter component of the present invention is shown; please refer to [link / reference]. Figure 6 , Figure 6 An enlarged view of the auxiliary component of the present invention is shown; please refer to [link / reference]. Figure 7 , Figure 7 A left view of the invention is shown; please refer to [link / reference]. Figure 8 , Figure 8 A top view of the invention is shown; please refer to [link / reference]. Figure 9 , Figure 9 An enlarged view of the lifting component of the present invention is shown; please refer to [link / reference]. Figure 10 , Figure 10 An enlarged view of the collecting components of this invention is shown; please refer to... Figure 11 , Figure 11 A side view of the collecting component of the present invention is shown; please refer to Figure 12 , Figure 12 A side view of the lifting component of the present invention is shown; as follows: Figures 1-11 As shown, a mid-range sewage treatment device for a sewage pipe network inspection well includes an inspection well body, with an inlet pipe 12 and an outlet pipe 13 respectively arranged on both sides of the inspection well body. A well cover 11 is provided on the top of the inspection well body, and the well cover 11 is fixed by a locking buckle 55. Inside the inspection well body, there are a flow guiding component and a guide component for guiding sewage. The lower end of the guide component is also provided with a lifting component and a filtering component. The inner side of the flow guiding component is also provided with an auxiliary component that can cut fibrous impurities. The auxiliary component is rotatably arranged inside the limiting ring 22. The conical flow guiding pipe 21 can increase the flow velocity of sewage entering the inlet pipe 12, thereby using a larger water flow to impact and rotate the auxiliary component to prevent blockage.

[0050] The flow guiding component includes a tapered flow guiding pipe 21 fixed inside the water inlet pipe 12. Two sets of limiting rings 22 fixed to the water inlet pipe 12 are provided at the right end of the tapered flow guiding pipe 21. The two sets of limiting rings 22 are used to support the fixed shaft 71. The two sets of limiting rings 22 can provide space for fixing and installing the fixed shaft 71. The accelerated water flow drives the auxiliary fan blade 72 to rotate.

[0051] The auxiliary components include: a fixed shaft 71, on which auxiliary fan blades 72 for cutting fibrous impurities are mounted, and a bevel gear 31 is connected to one end of the fixed shaft 71.

[0052] The guiding component comprises: a transmission bevel gear 36 in contact engagement with the bevel gear 31, the transmission bevel gear 36 being connected with a rotating rod 35, the rotating rod 35 being installed at the lower end of a limiting seat 34, the limiting seat 34 being fixedly arranged at the lower side of the top end of a movable frame 32, one side of the movable frame 32 being connected with a guiding plate 33 for flow separation, the guiding plate 33 being vertically arranged and extending downward in the inside of the inspection well body, the guiding plate 33 being provided with an inclined surface at the position opposite to a guiding vane 37, the inclined surface being in the form of a vertical thin plate structure, the bottom end of the rotating rod 35 being provided with the guiding vane 37 for guiding the flow of sewage, the movable frame 32 being capable of providing a space for the movement and installation of the rotating rod 35 and the transmission bevel gear 36 and limiting the movement direction thereof so that the rotating rod 35 and the transmission bevel gear 36 can only rotate around the axis thereof, the fixed shaft 71 being capable of driving the rotating bevel gear 31 to rotate, the rotating bevel gear 31 being driven by the transmission bevel gear 36 matched therewith so that the rotating rod 35 and the guiding vane 37 are synchronously rotated to form a cyclone at the lower end, and the sewage can be quickly guided into the filtering component at the lower end through the inclined guiding of the guiding plate 33.

[0053] The meshing position of the bevel gear 31 and the transmission bevel gear 36 is covered by a gear box so as to avoid the direct contact of the gear transmission structure with the sewage, that is, the rotating rod 35 and the fixed shaft 71 are both penetrated into the gear box and are in rotational cooperation with the gear box, which is the prior art and will not be described in detail here.

[0054] The thin plate structure at the lower end of the guiding plate 33 is provided with a groove 93, one side of the guiding plate 33 is further provided with a movable block 99, one side of the guiding plate 33 is attached with a lifting frame 94, the lower end of the movable frame 32 is provided with a contact rod 91, the middle position of the guiding plate 33 is provided with a lifting groove 92, the surface of the movable frame 32 is further provided with a limiting groove 53 and a movable hole 62, the limiting groove 53 is in the form of a long strip, and the top of the movable frame 32 is connected with a lifting ring 64 through a connecting rod.

[0055] The lifting component comprises: one side of the lifting frame 94 being provided with a collecting plate 97 capable of swinging up and down, the collecting plate 97 being provided with a water inlet grid 90 for the passage of water flow, the collecting plate 97 being connected with the lifting frame 94 through a movable shaft 96, the collecting plate 97 being provided with two groups of plates facing each other in the up and down directions, and both groups of the collecting plate 97 being connected with the lifting frame 94 through the movable shaft 96, one side of the lifting frame 94 being provided with a movable groove 98 matched with the movable block 99, and the lifting frame 94 being symmetrically provided with a mounting groove 95.

[0056] The guide plate 33 side is further provided with a limiting block 105, the limiting block 105 is provided with a limiting rod 106, the end of the collecting plate 97 below is a protruding block structure 1071 and passes through the installation slot 95 and is located directly above the limiting rod 106, the installation slot 95 is greater than the width of the block structure 1071 in the vertical direction, the collecting plate 97 is connected with the lifting frame 94 and the reset spring 107, the lower part of the collecting plate 97 is further provided with a lifting cylinder 108, the lifting cylinder 108 is used to drive the lifting of the entire lifting frame 94 and the two collecting plates 97, the lifting slot 92 can provide the activity and installation space for the lifting frame 94, and the installation slot 95 and the movable shaft 96 can provide the activity and installation space for the collecting plate 97, so that it can only rotate around its own axis, and the lifting frame 94 can be moved up and down through the mutual sliding between the movable slot 98 and the movable block 99, and through the abutting rod 91, the upper collecting plate 97 can be pressed down (that is, when the collecting plate 97 moves up to contact the bottom of the abutting rod 91), so that the fiber material that is not fully crushed on the collecting plate 97 is collected, and the water inlet grid 90 can make the smaller fiber material and water flow pass through to prevent blockage.

[0057] The manhole body is further provided with a locking component, the lower end of the movable frame 32 is provided with a sliding block 51, the sliding block 51 is fixed to the top of the rotating rod 35 and is in rotating connection with the rotating rod 35, the sliding block 51 is in sliding cooperation with the bottom surface of the movable frame, the sliding direction is the direction close to or away from the water inlet pipe 21, the limiting slot 53 is inserted with a sliding rod 54, the sliding rod 54 is fixedly connected with the limiting seat 34, the limiting slot 53 can provide the activity and limiting space for the sliding rod 54, the sliding rod 54 can be fastened and loosened through the upper locking buckle 55, and the horizontal position of the limiting seat 34 and the rotating rod 35 can be adjusted through the horizontal sliding of the sliding block 51 and the sliding rod 54, so that the movable frame 32 will not be in contact with the manhole body when being lifted, and the bevel gear 31 and the transmission bevel gear 36 are in disengaged state.

[0058] The movable part is arranged in the center of the manhole body, and the movable part comprises: a fixed base 61 fixed at the bottom of the manhole body, which can provide installation and movement space for the movable frame 32 and the sediment bowl 46, and can pull the pull ring 64, and the filter part can be taken out through the mutual sliding between the limiting shaft 63 and the movable hole 62, the limiting shaft 63 is arranged on the fixed base 61 and penetrates the movable hole 62, the movable part is rotationally arranged on the inner side of the filter part, the manhole body can provide fixing and installation space for the well lid 11, the water inlet pipe 12 and the water outlet pipe 13, the fiber-like substances and particulate impurities in the sewage can be guided and filtered through the guide part and the filter part, the movable part can provide movement and limiting space for the filter part, and the impurities filtered in the filter part can be cleaned and the filler can be replaced through the movable part.

[0059] The collecting part is arranged in the manhole body, and the collecting part comprises: a collecting box 101 fixedly arranged at the front end of the lifting frame 94, a collecting opening 102 is arranged on the collecting box 101, a baffle 103 is movably arranged in the inner side of the collecting opening 102, and a telescopic spring 104 is connected between the baffle 103 and the collecting box 101.

[0060] One side of the collecting opening 102 is also provided with an extrusion rod 109, the extrusion rod 109 is connected with a driving piece 110, the extrusion rod 109 is driven to rotate by the driving piece 110 to extrude the baffle 103, the collecting opening 102 can provide movement and installation space for the baffle 103, the baffle 103 is movably connected through the telescopic spring 104, the driving piece 110 drives the extrusion rod 109 to move left and right, the baffle 103 can be extruded, the lower end collecting plate 97 can be abutted by the limiting rod 106 when the lifting frame 94 descends, the lower end collecting plate 97 is inclined, the fiber-like substances can be collected through the collecting opening 102 and the collecting box 101, the lifting cylinder 108 can provide movement support for the lifting frame 94, drives the whole to move up and down, and the reset spring 107 can restore the collecting plate 97 to the horizontal state after the collecting plate 97 is inclined.

[0061] The filtering component comprises: the bottom of the inspection well body is provided with an arc-shaped well shaft 41, the inside of the arc-shaped well shaft 41 is provided with a plurality of levels of grids 42 with gradually reduced intervals from top to bottom, the lower side of the arc-shaped well shaft 41 is further provided with a filtering cylinder 43, one side of the filtering cylinder 43 is provided with a filler hopper 47, the lower side of the filtering cylinder 43 is connected with a filter water cylinder 44, the filler hopper 47 and the filter water cylinder 44 are both provided with water outlets 45, the outer side of the filtering cylinder 43, the filler hopper 47 and the filter water cylinder 44 is provided with a sludge collecting hopper 46, the filler hopper 47 can place different adsorbing substances, such as granular activated carbon, to adsorb the residues in the sewage and reduce the generation of peculiar smell, the arc-shaped well shaft 41 can provide a fixing and mounting space for the plurality of levels of grids 42, the plurality of levels of grids 42 with different intervals can gradually intercept the sundries flowing in from the upper end to prevent large-particle sundries from blocking the pipeline, the filtering cylinder 43 at the lower end can further filter the excess sundries in the sewage, which can effectively improve the solid-liquid separation efficiency, and the sediment can automatically slide into the sludge collecting hopper 46 with a conical structure through the filter water cylinder 44 and the water outlets 45 at the lower end.

[0062] Working principle: first, when the sewage enters the inspection well through the water inlet, the conical flow guide pipe 21 can increase the flow rate of the sewage entering the water inlet pipe 12, and the large flow rate can generate an impact, and the impact of the water flow drives the auxiliary fan blade 72 and the rotating bevel gear 31 to rotate;

[0063] Second, the rotating bevel gear 31 drives the transmission bevel gear 36 through the meshing of the gears, so that the rotating rod 35 and the guide fan blade 37 rotate synchronously to form a cyclone at the lower end, and the sewage can quickly enter the lower end of the collecting component through the oblique guide of the guide plate 33, at this time, the larger fibrous substances flowing into the inside fall onto the collecting plate 97 at the upper end, the lifting frame 94 is driven by the lifting cylinder 108 to move up and down along the lifting groove 92, the upper end of the collecting plate 97 is pressed down by the abutting rod 91 at the top, so that the accumulated fibrous substances fall into the collecting plate 97 at the lower end through the water flow, then the lifting cylinder 108 drives the lifting frame 94 to descend, the limiting rod 106 at the rear end of the guide plate 33 can make the collecting plate 97 at the lower end tilt, and the driving part 110 can drive the extrusion rod 109 to reciprocate left and right, so that the fibrous substances enter the collecting box 101 through the collecting port 102 by extruding the baffle 103, and the remaining smaller substances enter the filtering component at the lower end along the water flow;

[0064] Third, the plurality of levels of grids 42 with different intervals can gradually intercept sundries, and the filtering cylinder 43 at the lower end can further filter the excess sundries in the sewage;

[0065] Fourth, after the sewage through the lower end of the filter cylinder 44 and water outlet hole 45, the sediment automatically into the conical structure of the sludge hopper 46 in the sediment, sewage through the inside of the activated carbon particles and other fillers fill the excess impurities adsorption, then through the water outlet hole 45 into the water pipe 13 discharge into the next inspection well, when the internal impurity absorption saturation, staff can pull the lock buckle 55, the sliding rod 54 for unlocking, pull the lifting ring 64, through the activity hole 62 and the limit between the axis 63 of the mutual sliding, the activity frame 32 for removal, cleaning the internal residue and replacement of the filler.

[0066] In addition, on the basis of the original inspection well upgrade, realize the filter interception of impurities, and set up the structure of the removal of impurities cleaning, and suitable for the original inspection well reserved space, small amount of engineering, reduce the cost of upgrading.

Claims

1. A sewage treatment device for the middle end of a sewage pipe network inspection well, comprising an inspection well body, an inlet pipe (12) and an outlet pipe (13) are arranged on both sides of the inspection well body respectively, a well cover (11) is arranged at the top of the inspection well body, and the well cover (11) is fixed through a locking buckle (55), characterized in that: The inspection well body is internally provided with a flow guide component and a guide component for guiding sewage, and the lower end of the guide component is further provided with a lifting component and a filtering component, and the inner side of the flow guide component is further provided with an auxiliary component capable of cutting fibrous impurities; ​ The flow guide component comprises: a tapered flow guide pipe (21) fixed inside the water inlet pipe (12), a limiting ring (22) mirror-symmetrically fixed at the right end of the tapered flow guide pipe (21), and two groups of limiting rings (22) for supporting the fixed shaft (71); The auxiliary component comprises: the fixed shaft (71) on which an auxiliary fan blade (72) for cutting fibrous impurities is installed, and a bevel gear (31) connected to one end of the fixed shaft (71).

2. A sewage treatment apparatus for use in a manhole of a sewage network according to claim 1, characterised in that: The guide component comprises: the bevel gear (31) in contact and engagement with a transmission bevel gear (36), the transmission bevel gear (36) connected with a rotating rod (35), the rotating rod (35) installed at the lower end of a limiting seat (34), the limiting seat (34) fixedly arranged at the lower side of the top end of a movable frame (32), a guide plate (33) for flow guide separation connected to one side of the movable frame (32), and a guide fan blade (37) for guiding sewage arranged at the bottom end of the rotating rod (35).

3. A mid-end sewage treatment device for a sewage network inspection well according to claim 2, characterized in that: A groove (93) is formed below the guide plate (33), a movable block (99) is further arranged on one side of the guide plate (33), a lifting frame (94) is attached to one side of the guide plate (33), a contact rod (91) is arranged at the lower end of the movable frame (32), a lifting groove (92) is formed at the middle position of the guide plate (33), and a limiting groove (53) and a movable hole (62) are further formed in the movable frame (32), and a lifting ring (64) is connected to the top of the movable frame (32) through a connecting rod.

4. A sewage treatment apparatus for use in a wet well of a sewage network inspection chamber according to claim 3, wherein: The lifting component comprises: a collection plate (97) swingable up and down arranged on one side of the lifting frame (94), a water inlet grid (90) for water flow formed on the collection plate (97), the collection plate (97) connected with the lifting frame (94) through a movable shaft (96), a movable groove (98) matching the movable block (99) formed on one side of the movable shaft (96), and a mounting groove (95) symmetrically formed on the lifting frame (94).

5. A sewage treatment apparatus for use in a wet well of a sewage network inspection chamber according to claim 2, wherein: A limiting block (105) is further arranged on one side of the guide plate (33), a limiting rod (106) is arranged on the limiting block (105), a collection plate (97) is arranged above the limiting rod (106), the collection plate (97) connected with the lifting frame (94) through a return spring (107), and a lifting cylinder (108) arranged below the collection plate (97) drives the lifting of the collection plate (97).

6. A sewage treatment apparatus for use in a wet well of a sewage network inspection chamber according to claim 3, wherein: The inspection well body is further provided with a locking component, and the locking component comprises: The lower end of the movable frame (32) is provided with a sliding block (51) formed at the top end of the limiting seat (34), the sliding block (51) is matched and embedded in a sliding groove to form a sliding connection, and a sliding rod (54) is inserted in the limiting groove (53) and fixedly connected with the limiting seat (34).

7. A sewage treatment device for use in a wet well of a sewerage network inspection chamber according to claim 1, characterised in that: The movable part is arranged in the center of the manhole body, and the movable part comprises: a fixed base (61) fixed at the bottom of the manhole body, a limiting shaft (63) installed on the fixed base (61), and the limiting shaft (63) penetrating the movable hole (62).

8. A sewage treatment apparatus for use in a wet well of a sewage network inspection chamber according to claim 5, wherein: The collecting part is arranged in the manhole body, and the collecting part comprises: a collecting box (101) fixedly arranged at the front end of the lifting frame (94), a collecting opening (102) arranged on the collecting box (101), a baffle (103) movably installed on the inner side of the collecting opening (102), and an extension spring (104) connected between the baffle (103) and the collecting box (101).

9. A mid-end sewage treatment apparatus for a sewage network inspection well according to claim 8, characterized in that: One side of the collecting opening (102) is also provided with a pressing rod (109), and the pressing rod (109) is connected with the driving part (110). The pressing rod (109) is driven to rotate by the driving part (110) to press the baffle (103).

10. A sewage treatment device for use in a wet well of a sewerage network inspection chamber according to claim 1, characterised in that: The filtering part comprises: an arc-shaped well (41) arranged at the bottom of the manhole body, a plurality of stepped grids (42) arranged in the arc-shaped well (41) and gradually reduced in spacing from top to bottom, a filter cylinder (43) arranged below the arc-shaped well (41), a filler hopper (47) arranged on one side of the filter cylinder (43), a filter water cylinder (44) connected below the filter cylinder (43), water outlets (45) formed in the filler hopper (47) and the filter water cylinder (44), and a mud collecting hopper (46) arranged outside the filter cylinder (43), the filler hopper (47) and the filter water cylinder (44).

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