CN219043116U - Sludge reflux mechanism for sewage treatment - Google Patents

Abstract

The utility model relates to a sludge reflux mechanism for sewage treatment, which belongs to the technical field of sewage treatment, and comprises a plurality of groups of telescopic cylinders and a positioning plate, wherein the groups of telescopic cylinders are fixedly connected to the bottom end surface of a sedimentation tank body, the telescopic ends of the telescopic cylinders are fixedly connected with the positioning plate, the side end surface of the positioning plate is a concave surface matched with the shape of the pipe wall of a connecting pipe, the center of the concave surface corresponds to the center position of a sludge discharge pipe, the outer wall of the connecting pipe is fixedly connected with a limiting block for preventing the connecting pipe from falling off from the positioning plate, the connecting pipe is clamped into the positioning plate, the positioning plate is driven to move upwards by a telescopic rod through retraction of the telescopic cylinders, the connecting pipe on the positioning plate is driven to move upwards and is inserted into the sludge discharge pipe, an operator can realize quick replacement and positioning connection of the connecting pipe without closely contacting a drain pipe full of sludge, the labor intensity of the operator is reduced, and the working efficiency is improved.

Description

Sludge reflux mechanism for sewage treatment

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a sludge reflux mechanism for sewage treatment.

Background

In sewage treatment, a traditional completely mixed anaerobic hydrolysis reaction zone consists of a mixed contact tank and a sedimentation tank; in the mixing contact tank, sewage is fully mixed and contacted under the action of a submersible propeller to complete anaerobic digestion, then enters a sedimentation tank to carry out mud-water separation, supernatant fluid enters the next process, sludge enters a sludge reflux tank through a perforated sludge discharge pipe arranged at the bottom of the sedimentation tank, then a part of sludge flows back to the mixing contact tank through a submersible sewage reflux pump, and the other part of residual sludge is discharged to a dewatering machine room. The existing sludge discharge pipe is usually in a screw connection fixed installation mode, after a period of use, the phenomenon that the sludge pile on the inner wall of the sludge discharge pipe is tired easily to form hardening is caused, so that the sludge backflow effect is poor, the inner wall of the sludge discharge pipe is required to be disassembled to clean, the operation is complex, time and labor are wasted in disassembly, and the service efficiency of the sludge discharge pipe is seriously affected.

The utility model discloses a mud reflux unit for sewage treatment in the patent of prior art publication number CN212347998U, which comprises a frame, the top of mud reflux cell body is equipped with into mud mouth, the play mud mouth department of mud reflux cell body and the one end fixed connection of pump, all fixed grafting has the governing tube on mud mouth and the mud mouth that advances, sliding grafting has a filter screen section of thick bamboo on the inner wall of mud tube. Through promoting the fixed annular plate of second to extrude the shrink to the rubber section of thick bamboo, make annular draw-in groove break away from annular card protruding, the both ends of rubber section of thick bamboo break away from the mud pipe, again to the mud pipe take out can, the dismouting is swift, labour saving and time saving has guaranteed that the availability factor clearance of mud pipe is efficient. However, when changing the adjusting pipe, operating personnel need close range contact be stained with the pipe wall and the mouth of pipe of mud, when inconvenient clearance, the mud pipe is located sedimentation tank body bottom, and the mud covers the mouth of pipe, and operating personnel can't align mud discharging port and adjusting port fast, can't fix a position fast, when having reduced work efficiency, is stained with mud for a long time and causes harm to operating personnel health easily.

Disclosure of Invention

The utility model aims to solve the technical problems that the pipe orifices cannot be aligned quickly and the sludge is easy to be polluted when the adjusting pipe is replaced, and provides a sludge backflow mechanism for sewage treatment.

The technical scheme for solving the technical problems is as follows: the utility model provides a mud reflux mechanism for sewage treatment, includes the frame, its characterized in that still includes sedimentation tank body, mud reflux tank body, positioner, rubber seal, connecting pipe, sedimentation tank body passes through frame fixed mounting on mud reflux tank body upper end, the bottom of sedimentation tank body is equipped with the mud pipe, it has annular recess to open to arrange mud pipe inner wall, rubber seal inlays and locates in the recess and the outside extension of rubber seal to the recess outside, the connecting pipe is the telescopic flexible pipe in middle section, and one end is connected through detachable mode with mud reflux tank, and the other end is connected with the mud pipe through connecting pipe mouth extrusion rubber seal, positioner includes multiunit telescopic cylinder and locating plate, multiunit telescopic cylinder is located mud pipe both sides and telescopic cylinder base fixed connection on sedimentation tank body bottom end face, telescopic cylinder telescopic end and locating plate fixed connection, the locating plate side end face is the concave surface with connecting pipe wall shape matched with and the center of concave surface and the mud pipe central point position is corresponding, connecting pipe outer wall fixed connection has the stopper that prevents to drop from the locating plate.

Further, a mud pump is fixedly connected to a mud outlet of the mud reflux tank body.

Further, a movable block for preventing the connecting pipe from moving in the horizontal direction is arranged at the concave surface of the positioning plate.

Further, movable block one end is articulated with the locating plate, and the other end is fixed with the iron sheet towards the locating plate direction, locating plate and iron sheet correspond the position and inlay and have had magnet, the movable block other end is connected with the locating plate magnetism.

Further, the sedimentation tank further comprises a locking device, the locking device comprises a locking block and a bolt, the tightening block is fixedly arranged at the bottom of the sedimentation tank body, a through hole for passing through the bolt is formed in the locking block, a blind hole is formed in the position, corresponding to the through hole, of the positioning plate, and the bolt passes through the through hole and is inserted into the blind hole.

Further, a sealing ring is arranged at the contact part of the limiting block and the mud discharging pipe.

The beneficial effects of the utility model are as follows: the positioning device comprises a plurality of groups of telescopic cylinders and positioning plates, wherein the groups of telescopic cylinders are arranged on two sides of a sludge discharge pipe, a base of each telescopic cylinder is fixedly connected to the bottom end face of a sedimentation tank body, the telescopic ends of the telescopic cylinders are fixedly connected with the positioning plates, the side end faces of the positioning plates are concave surfaces matched with the pipe wall of a connecting pipe in shape, the centers of the concave surfaces correspond to the center position of the sludge discharge pipe, limiting blocks for preventing the connecting pipe from falling off the positioning plates are fixedly connected to the outer walls of the connecting pipes, the connecting pipes are clamped into the positioning plates, quick positioning is achieved, the positioning plates are driven to move upwards through telescopic rods by retracting the telescopic cylinders, the connecting pipes on the positioning plates are driven to move upwards and are inserted into the sludge discharge pipe, quick replacement and positioning connection of the connecting pipes can be achieved without closely contacting the drain pipes full of sludge by operators, labor intensity of operators is reduced, and working efficiency is improved.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model in its operative condition;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic top view of the locating plate of the present utility model;

in the figure: 1. the device comprises a frame, a sedimentation tank body, a sludge backflow tank body, a rubber sealing ring, a connecting pipe, a groove, a telescopic cylinder, a positioning plate, a concave surface, a sludge discharge pipe, a limiting block, a sludge pump, a movable block, an iron sheet, a magnet, a locking block, a plug pin, a through hole and a blind hole.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the illustrated embodiments are provided for illustration only and are not intended to limit the scope of the present utility model.

As shown in fig. 1 to 4, a sludge recirculation mechanism for sewage treatment of this embodiment, including frame 1, still include sedimentation tank body 2, sludge recirculation tank body 3, positioner, rubber seal 4, connecting pipe 5, sedimentation tank body 2 passes through frame 1 fixed mounting in sludge recirculation tank body 3 upper end, sedimentation tank body 2's bottom is equipped with mud pipe 10, the annular recess 6 has been opened to mud pipe 10 inner wall, rubber seal 4 inlays and locates in recess 6 and rubber seal 4 outwards extends to the recess 6 outside, connecting pipe 5 is the telescopic flexible pipe in middle section, and one end is connected through detachable mode with sludge recirculation tank 3, and the other end is connected with mud pipe 10 through connecting pipe 5 mouth extrusion rubber seal 4, positioner includes multiunit telescopic cylinder 7 and locating plate 8, multiunit telescopic cylinder 7 is located mud pipe 10 both sides and telescopic cylinder 7 base fixed connection on sedimentation tank body 2 bottom end face, telescopic cylinder 7 telescopic end and locating plate 8 fixed connection, locating plate 8 side end face is for the concave surface 9 with connecting pipe 5 shape matched with recess 5 and concave surface 9 and the corresponding position of connecting pipe 5 from the center point of connecting pipe 5 is fixed from the position of connecting pipe 5.

In this embodiment, the mud outlet fixedly connected with pump 12 of mud reflux cell body 3, the concave surface 9 department of locating plate 8 is equipped with the movable block 13 that prevents connecting pipe 5 at the horizontal direction removal, movable block 13 one end is articulated with locating plate 8, and the other end is fixed with iron sheet 14 towards locating plate 8 direction, locating plate 8 and iron sheet 14 correspond the position and inlay and have magnet 15, the movable block 13 other end is connected with locating plate 8 magnetism, mutually support through movable block 13 and locating plate 8, has effectively restricted the removal of connecting pipe 5 at the horizontal direction, has improved the accuracy of location, has improved work efficiency.

In this embodiment, still include locking device, locking device includes latch segment 16, bolt 17, the fixed sedimentation tank body 2 bottom that locates of shrink piece 16, it has the through-hole 18 that is used for passing bolt 17 to open on the latch segment 16, be equipped with blind hole 19 on the locating plate 8 in the position that corresponds with through-hole 18, bolt 17 inserts in blind hole 19 through-hole 18, stopper 11 is equipped with the sealing washer with mud pipe 10 contact department, through bolt 17, through-hole 17, blind hole 19 interact for connecting pipe 5 and mud pipe 10 stable connection, prevent telescopic cylinder 7 simultaneously and make locating plate 8 whereabouts under the condition of suddenly cutting off the air, connecting pipe 5 has reduced the circumstances that locating plate 8's support and ascending pressure and mud pipe 10 separated, has improved whole device's stability

In this embodiment, when changing connecting pipe 5, locating plate 8 moves downwards along with the extension of telescopic link of telescopic cylinder 7, and operating personnel passes through concave surface 9 and stopper 11 with connecting pipe 5 and blocks on locating plate 8 under the combined action, is connected movable block 13 with locating plate 8 magnetism, has realized the relative fixation to connecting pipe 5 horizontal vertical orientation through the gravity of connecting pipe 5 self and the effect of locating plate, and telescopic cylinder 7 drives the telescopic link and contracts, and locating plate 8 moves up and drives connecting pipe 5 upward movement, connecting pipe 5 inserts in the mud pipe 10, rises tightly through sealing rubber circle 4 and connecting pipe 5 outer wall, has realized sealing and relative fixation to connecting pipe 5, inserts in blind hole 19 through hole 18 with bolt 17 simultaneously, has realized locking and the limiting displacement to locating plate 8.

The above example is only one embodiment of the present utility model, which is described in detail and is not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (6)

1. The utility model provides a mud reflux mechanism for sewage treatment, includes frame (1), its characterized in that still includes sedimentation tank body (2), mud reflux tank body (3), positioner, rubber seal (4), connecting pipe (5), sedimentation tank body (2) are through frame (1) fixed mounting in mud reflux tank body (3) upper end, the bottom of sedimentation tank body (2) is equipped with mud pipe (10), it has annular recess (6) to open mud pipe (10) inner wall, rubber seal (4) inlay in recess (6) and rubber seal (4) outwards extend to the outside of recess (6), connecting pipe (5) are middle section telescopic flexible pipe, and one end is connected through detachable mode with mud reflux tank body (3), and the other end is connected with mud pipe (10) through connecting pipe (5) mouth of pipe extrusion rubber seal (4), positioner includes multiunit telescopic cylinder (7) and locating plate (8), telescopic cylinder (7) are located mud pipe (10) both sides and telescopic cylinder (7) base fixed connection are in end face (2) on the bottom of the sedimentation tank body (8), telescopic cylinder (7) fixed connection, the side end face of the positioning plate (8) is a concave face (9) matched with the shape of the pipe wall of the connecting pipe (5), the center of the concave face (9) corresponds to the center of the mud discharging pipe (10), and a limiting block (11) for preventing the connecting pipe (5) from falling off from the positioning plate (8) is fixedly connected to the outer wall of the connecting pipe (5).

2. A sludge recirculation mechanism for sewage treatment according to claim 1, characterized in that the sludge outlet of the sludge recirculation tank body (3) is fixedly connected with a sludge pump (12).

3. A sludge return mechanism for sewage treatment according to claim 1, wherein the concave surface (9) of the positioning plate (8) is provided with a movable block (13) for preventing the connecting pipe (5) from moving in the horizontal direction.

4. A sludge recirculation mechanism for sewage treatment according to claim 3, wherein one end of the movable block (13) is hinged with the positioning plate (8), the other end is fixed with an iron sheet (14) towards the direction of the positioning plate (8), a magnet (15) is embedded in the position corresponding to the iron sheet (14) of the positioning plate (8), and the other end of the movable block (13) is magnetically connected with the positioning plate (8).

5. The sludge reflux mechanism for sewage treatment according to claim 1, further comprising a locking device, wherein the locking device comprises a locking block (16) and a bolt (17), the locking block (16) is fixedly arranged at the bottom of the sedimentation tank body (2), a through hole (18) for passing through the bolt (17) is formed in the locking block (16), a blind hole (19) is formed in a position, corresponding to the through hole (18), of the positioning plate (8), and the bolt (17) is inserted into the blind hole (19) through the through hole (18).

6. A sludge recirculation mechanism for sewage treatment according to claim 1, characterized in that a sealing ring is provided at the contact of the stopper (11) and the sludge discharge pipe (10).

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