CN224100102U

CN224100102U - A filter screen for wastewater treatment

Info

Publication number: CN224100102U
Application number: CN202422709810.6U
Authority: CN
Inventors: 王辉; 王伟; 王飞; 赵年宝; 潘远丰; 占小飞; 吴彦中
Original assignee: Jingyu Environmental Protection Technology Service Changzhou Co ltd
Current assignee: Jingyu Environmental Protection Technology Service Changzhou Co ltd
Priority date: 2024-11-07
Filing date: 2024-11-07
Publication date: 2026-04-10
Anticipated expiration: 2034-11-07

Abstract

This utility model discloses a filter screen for sewage treatment, relating to the field of sewage treatment technology. It includes a cylindrical screen housing with an inlet on the upper half and a outlet on the lower half. A debris discharge port is located on one side of the screen housing. A filter screen is fixedly installed at the outlet. A circular shaft rotates at the center of the screen housing, and a connecting sleeve is fitted onto the outer wall of the inner side of the shaft. A cleaning brush is fixedly installed on the outer wall of the connecting sleeve. A drive assembly for driving the circular shaft to rotate is located on the outer wall of the screen housing. This utility model, by setting a cylindrical screen and incorporating a rotating cleaning brush inside, allows sewage to enter the screen through the inlet. Impurities are blocked by the filter screen at the outlet. The drive assembly causes the cleaning brush to rotate counterclockwise, following the water flow direction, quickly removing impurities from the screen through the debris discharge port, thus improving cleaning speed and efficiency.

Description

Filter grid for sewage treatment

Technical Field

The utility model relates to the field of sewage treatment, in particular to a filter grid for sewage treatment.

Background

Water resources are important resources indispensable for human survival and development. With the acceleration of industrialization and urban processes, the production of sewage is increasing. If such sewage is discharged without effective treatment, it poses serious environmental and human health risks. In sewage treatment, a filter grid is a common and critical pretreatment device. The device has the main functions of intercepting larger solid sundries in sewage, such as branches, plastics, paper and the like, so as to protect the normal operation of subsequent treatment equipment and improve the sewage treatment effect.

The traditional filter grating is mostly rectangular, large solid sundries intercepted can be gathered on one side of the grating, excessive accumulation can cause grating blockage, when sundries are cleaned, the cleaning is very time-consuming and labor-consuming due to the influence of water flow, and some sundries are blocked between the gratings, so that the cleaning is very inconvenient.

Disclosure of utility model

The utility model aims to solve the defect that the filter grid for sewage treatment is inconvenient to clean in the prior art.

In order to solve the problems existing in the prior art, the utility model adopts the following technical scheme:

The utility model provides a sewage treatment is with filtering grid, includes the grid shell of cylinder shape, the water inlet has been seted up to half grid shell top, the outlet has been seted up to grid shell below, the impurity discharging mouth has been seted up to grid shell one side, outlet department is fixed to be equipped with the filter screen, grid shell center rotation is equipped with the circle axle, the circle axle is located the cover on the inside outer wall of grid shell and is equipped with the adapter sleeve, the adapter sleeve outer wall is fixed to be equipped with the clearance bars, grid shell outer wall is equipped with drive circle axle pivoted drive assembly.

Preferably, the driving assembly comprises a connecting ring fixedly arranged at the end part of the circular shaft, a rotating shaft is fixedly arranged on the connecting ring, a worm wheel is fixedly arranged on the rotating shaft, a fixed block is fixedly arranged on the outer wall of the grille shell, a worm meshed with the worm wheel is rotatably arranged on the fixed block, and a rotating ring is fixedly arranged at one end of the worm.

Preferably, the outer wall of the grid shell is fixedly provided with two L-shaped supporting rods at the water outlet, the supporting rods are provided with collecting boxes, and the bottoms of the collecting boxes are fixedly provided with two connecting blocks.

Preferably, the outer wall of the grid shell is fixedly provided with a connecting pipe at the water inlet, and the bottom of the inner wall of the connecting pipe is fixedly provided with a guide plate.

Preferably, the end part of the connecting pipe is fixedly provided with a mounting plate, and a plurality of circular grooves are formed in the edge of the mounting plate.

Preferably, a cleaning brush is fixedly arranged at the upper end of the cleaning grid, and the cleaning brush is attached to the inner wall of the grid shell.

Preferably, the water inlet accounts for one third of the grille housing, the water outlet accounts for one half of the grille housing, and the impurity discharging port accounts for one fourth of the grille housing.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, the cylindrical grating is arranged, the cleaning grating for rotating cleaning is arranged in the grating, sewage enters the grating from the water inlet, impurities are blocked by the filter screen of the water outlet, the cleaning brush rotates anticlockwise through the driving assembly, and the impurities are rapidly cleaned out of the grating from the impurity outlet along the water flow direction, so that the cleaning speed and the cleaning efficiency are improved;

2. According to the utility model, the collection box is added to the impurity discharging port of the cylindrical grating, so that impurities discharged from the impurity discharging port are collected, and the cleaning efficiency is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a guide plate structure according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the grille housing of the present utility model;

Fig. 4 is a schematic structural diagram of a driving assembly according to the present utility model.

In the figure, the serial numbers are 1, a grid shell, 11, a water inlet, 12, a water outlet, 13, a impurity outlet, 14, a filter screen, 15, a round shaft, 16, a connecting sleeve, 17, a cleaning grid, 2, a connecting ring, 21, a rotating shaft, 22, a worm wheel, 23, a fixed block, 24, a worm, 25, a swivel, 3, a supporting rod, 31, a collecting box, 32, a connecting block, 4, a connecting pipe, 41, a guide plate, 5, a mounting plate, 6 and a cleaning brush.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

1-4, Specifically, the filter grating for sewage treatment comprises a cylindrical grating shell 1, a water inlet 11 is formed in the upper half of the grating shell 1, a water outlet 12 is formed in the lower part of the grating shell 1, a trash outlet 13 is formed in one side of the grating shell 1, a filter screen 14 is fixedly arranged at the water outlet 12, a round shaft 15 is rotatably arranged in the center of the grating shell 1, a connecting sleeve 16 is sleeved on the outer wall of the round shaft 15 positioned in the grating shell 1, a cleaning grating 17 is fixedly arranged on the outer wall of the connecting sleeve 16, a cleaning brush 6 is fixedly arranged at the upper end of the cleaning grating 17, the cleaning brush 6 is attached to the inner wall of the grating shell 1, the water inlet 11 occupies one third of the grating shell 1, the water outlet 12 occupies one half of the grating shell 1, the trash outlet 13 occupies one fourth of the grating shell 1, and a driving component for driving the round shaft 15 to rotate is arranged on the outer wall of the grating shell 1;

When the sewage enters the grating shell 1 from the water inlet 11, the sewage is discharged from the water outlet 12, impurities are isolated in the grating shell 1 by the filter screen 14, when the impurities gather in the grating shell 1 too much, a worker drives the round shaft 15 to rotate through the driving component, the round shaft 15 drives the cleaning grating 17 to move along the grating shell 1, the impurities on the filter screen 14 are driven to the impurity discharging port 13 through anticlockwise rotation, at the moment, the cleaning grating 17 is in an inclined state, the impurities can slide out of the grating shell 1 from the cleaning grating 17, and as the rotating direction of the cleaning grating 17 is the same as that of water flow, the impurities are conveniently cleaned, the cleaned cleaning grating 17 moves to the upper part in the grating shell 1 to block the water outlet 12, the impurities are prevented from being carried by the water flow and directly rushed to the other side of the grating shell 1, and the cleaning brush 6 is additionally arranged at the end part of the cleaning grating 17, so that the impurities blocked in meshes of the filter screen 14 can be cleaned, and the sewage is convenient to circulate.

In the specific implementation process, as shown in fig. 3 and 4, the driving assembly comprises a connecting ring 2 fixedly installed at the end part of a circular shaft 15, a rotating shaft 21 is fixedly arranged on the connecting ring 2, a worm wheel 22 is fixedly arranged on the rotating shaft 21, a fixed block 23 is fixedly arranged on the outer wall of the grid shell 1, a worm 24 meshed with the worm wheel 22 is rotatably arranged on the fixed block 23, and a rotating ring 25 is fixedly arranged at one end of the worm 24;

The worm 24 is driven to rotate through the rotating ring 25, the worm 24 drives the worm wheel 22 to rotate, the worm wheel 22 drives the round shaft 15 to rotate through the rotation of the rotating shaft 21, the cleaning grid 17 is driven, the cleaning grid 17 cannot move at will due to the self-locking characteristic of the worm 24 and the worm wheel 22, the rotating shaft 21 is arranged on the round shaft 15, the volumes of the worm 24 and the worm wheel 22 are reduced, the rotation is convenient, and the occupied area is reduced.

In the specific implementation process, as shown in fig. 2 and 3, two L-shaped support rods 3 are fixedly arranged on the outer wall of the grid shell 1 at the water outlet 12, a collecting box 31 is arranged on the support rods 3, and two connecting blocks 32 are fixedly arranged at the bottom of the collecting box 31;

Impurities coming out from the impurity discharging port 13 can directly enter the collecting box 31 to collect the impurities, the collecting box 31 is inserted into the supporting rod 3 through the connecting block 32 at the bottom, rapid installation and disassembly are realized, and the impurity cleaning efficiency is improved.

In the specific implementation process, as shown in fig. 1 and 2, a connecting pipe 4 is fixedly arranged on the outer wall of the grille shell 1 at the water inlet 11, a guide plate 41 is fixedly arranged at the bottom of the inner wall of the connecting pipe 4, a mounting plate 5 is fixedly arranged at the end part of the connecting pipe 4, and a plurality of circular grooves are formed in the edge of the mounting plate 5;

The connecting pipe 4 is convenient for the cylindrical grid shell 1 to be connected with a sewage pipeline, and when the connecting pipe is connected, the mounting plate 5 is attached to the sewage pipeline and penetrates through the circular groove through a screw to be connected.

Specifically, the working principle and the operation method of the utility model are as follows:

The sewage enters the grating shell 1 from the water inlet 11, the sewage is discharged from the water outlet 12, impurities are isolated in the grating shell 1 by the filter screen 14, when the impurities gather too much in the grating shell 1, the worm 24 is driven to rotate by the rotating ring 25, the worm 24 is driven to rotate by the worm wheel 22, the worm wheel 22 is driven to rotate by the rotating shaft 21 to drive the circular shaft 15, the circular shaft 15 drives the cleaning grating 17 to move along the grating shell 1, the impurities on the filter screen 14 are driven to the impurity discharging port 13 by anticlockwise rotation, and the impurities coming out of the impurity discharging port 13 directly enter the collecting box 31 to collect the impurities.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A filter screen for sewage treatment, characterized in that: it includes a cylindrical screen shell (1), an inlet (11) is provided on the upper half of the screen shell (1), a drain outlet (12) is provided on the lower half of the screen shell (1), a debris discharge outlet (13) is provided on one side of the screen shell (1), a filter screen (14) is fixedly provided at the drain outlet (12), a circular shaft (15) is rotatably provided at the center of the screen shell (1), a connecting sleeve (16) is sleeved on the outer wall of the circular shaft (15) inside the screen shell (1), a cleaning grid (17) is fixedly provided on the outer wall of the connecting sleeve (16), and a driving assembly for driving the circular shaft (15) to rotate is provided on the outer wall of the screen shell (1).

2. A filter screen for sewage treatment according to claim 1, characterized in that: the driving assembly includes a connecting ring (2) fixedly installed at the end of a round shaft (15), a rotating shaft (21) fixedly provided on the connecting ring (2), a worm gear (22) fixedly provided on the rotating shaft (21), a fixing block (23) fixedly provided on the outer wall of the screen housing (1), a worm (24) rotatably provided on the fixing block (23) and meshing with the worm gear (22), and a rotating ring (25) fixedly provided at one end of the worm (24).

3. A filter screen for sewage treatment according to claim 1, characterized in that: two L-shaped support rods (3) are fixedly provided on the outer wall of the screen shell (1) at the drain outlet (12), a collection box (31) is provided on the support rod (3), and two connecting blocks (32) are fixedly provided at the bottom of the collection box (31).

4. A filter screen for sewage treatment according to claim 1, characterized in that: a connecting pipe (4) is fixedly provided on the outer wall of the screen shell (1) at the inlet (11), and a guide plate (41) is fixedly provided on the bottom of the inner wall of the connecting pipe (4).

5. A filter screen for sewage treatment according to claim 4, characterized in that: an mounting plate (5) is fixedly provided at the end of the connecting pipe (4), and a plurality of circular grooves are provided on the edge of the mounting plate (5).

6. A filter screen for sewage treatment according to claim 1, characterized in that: a cleaning brush (6) is fixedly provided at the upper end of the cleaning screen (17), and the cleaning brush (6) is in contact with the inner wall of the screen shell (1).

7. A filter screen for sewage treatment according to claim 1, characterized in that: the inlet (11) occupies one-third of the screen shell (1), the outlet (12) occupies one-half of the screen shell (1), and the waste outlet (13) occupies one-quarter of the screen shell (1).