Filter grille for sewage treatment
By designing a cylindrical grille shell and drive components, the system enables rapid cleaning of blockages and debris in wastewater treatment, solving the problem of inconvenient cleaning of traditional grilles and improving cleaning efficiency and equipment operational stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JINGYU ENVIRONMENTAL PROTECTION TECHNOLOGY SERVICES (CHANGZHOU) CO LTD
- Filing Date
- 2024-11-07
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional filter screens are time-consuming and labor-intensive to clean larger solid debris, and the debris is prone to clogging, making cleaning inconvenient.
Design a cylindrical grille housing equipped with a drive assembly and a cleaning grid. Impurities are quickly removed from the discharge port by rotating the cleaning brush counterclockwise, and the impurities are collected in a collection box.
It improved cleaning speed and efficiency, reduced cleaning time and labor intensity, and ensured the normal operation of sewage treatment equipment.
Smart Images
Figure CN224100102U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sewage treatment field especially sewage treatment with filter grating. BACKGROUND
[0002] Water resources are indispensable important resources for human survival and development. With the acceleration of industrialization and urbanization, the amount of sewage is increasing. If these sewage is directly discharged without effective treatment, it will pose a serious threat to the environment and human health. In the sewage treatment process, the filter grating is a common and key pretreatment equipment. Its main role is to intercept larger solid impurities in sewage, such as branches, plastics, paper, etc. to protect the normal operation of subsequent treatment equipment and improve the sewage treatment effect.
[0003] The traditional filter grating is mostly rectangular, and the larger solid impurities intercepted will be accumulated on one side of the grating. Excessive accumulation will cause the grating to be blocked. When cleaning the impurities, it is very time-consuming and laborious due to the influence of water flow, and some impurities are blocked between the gratings, which is very inconvenient to clean. SUMMARY
[0004] The utility model aims at solving the inconvenient cleaning of the filter grating in the prior art of sewage treatment, and proposes a filter grating for sewage treatment.
[0005] In order to solve the problems existing in the prior art, the utility model adopts the following technical scheme:
[0006] A filter grating for sewage treatment, comprising a cylindrical grating shell, a water inlet is formed in the upper half of the grating shell, a drain outlet is formed in the lower part of the grating shell, a drain outlet is formed in the side of the grating shell, a filter screen is fixedly arranged at the drain outlet, a circular shaft is rotatably arranged at the center of the grating shell, a connecting sleeve is sleeved on the outer wall of the circular shaft inside the grating shell, a cleaning grid is fixedly arranged on the outer wall of the connecting sleeve, and a driving assembly is arranged on the outer wall of the grating shell to drive the rotation of the circular shaft.
[0007] Preferably, the driving assembly comprises a connecting ring fixedly installed on the end 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 grating shell, a worm is rotatably arranged on the fixed block and engaged with the worm wheel, and a rotating ring is fixedly arranged at one end of the worm.
[0008] Preferably, two L-shaped supporting rods are fixedly arranged on the outer wall of the grating shell at the drain outlet, a collecting box is arranged on the supporting rod, and two connecting blocks are fixedly arranged at the bottom of the collecting box.
[0009] Preferably, the grid shell outer wall is fixed with a connecting pipe at the water inlet, and a guide plate is fixed to the inner wall bottom of the connecting pipe.
[0010] Preferably, the connecting pipe end is fixed with a mounting plate, and a plurality of circular grooves are formed in the edge of the mounting plate.
[0011] Preferably, the cleaning brush is fixed to the upper end of the cleaning grid, and the cleaning brush is attached to the inner wall of the grid shell.
[0012] Preferably, the water inlet occupies one third of the grid shell, the water outlet occupies one half of the grid shell, and the impurity outlet occupies one fourth of the grid shell.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] 1. In the utility model, the cylindrical grid is provided, the cleaning grid rotating and cleaning is arranged in the grid, sewage enters the grid from the water inlet, impurities are blocked by the filter screen of the water outlet, the cleaning brush is counterclockwise rotated through the driving assembly, along the water flow direction, the impurities are quickly cleaned out of the grid from the impurity outlet, and the cleaning speed and efficiency are improved.
[0015] 2. In the utility model, the collecting box is increased at the impurity outlet of the cylindrical grid, and the impurities from the impurity outlet are collected, so that the cleaning efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] The drawings described herein are used to provide further understanding of the utility model, and constitute a part of the application. The schematic embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model. In the drawings:
[0017] Figure 1 It is the whole structure schematic view of the utility model;
[0018] Figure 2 It is the guide plate structure schematic view of the utility model;
[0019] Figure 3 It is the grid shell cross section structure schematic view of the utility model;
[0020] Figure 4 It is the driving assembly structure schematic view of the utility model.
[0021] The figure serial number: 1, the grid shell; 11, the water inlet; 12, the drain; 13, the impurity outlet; 14, the filter screen; 15, the round shaft; 16, the connecting sleeve; 17, the cleaning grid; 2, the connecting ring; 21, the rotating shaft; 22, the worm gear; 23, the fixed block; 24, the worm; 25, the rotating ring; 3, the support rod; 31, the collection box; 32, the connecting block; 4, the connecting pipe; 41, the guide plate; 5, the mounting plate; 6, the cleaning brush. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0023] Embodiment: the embodiment provides a filter grid for sewage treatment, referring to Figures 1-4 , specifically, including the cylindrical grid shell 1, the upper half of the grid shell 1 is provided with the water inlet 11, the lower part of the grid shell 1 is provided with the drain 12, the side of the grid shell 1 is provided with the impurity outlet 13, the drain 12 is fixedly provided with the filter screen 14, the center of the grid shell 1 is rotatably provided with the round shaft 15, the outer wall of the round shaft 15 inside the grid shell 1 is provided with the connecting sleeve 16, the outer wall of the connecting sleeve 16 is fixedly provided with the cleaning grid 17, the upper end of the cleaning grid 17 is fixedly provided with the cleaning brush 6, the cleaning brush 6 is attached to the inner wall of the grid shell 1, the water inlet 11 occupies one third of the grid shell 1, the drain 12 occupies one half of the grid shell 1, the impurity outlet 13 occupies one fourth of the grid shell 1, the outer wall of the grid shell 1 is provided with the driving assembly for driving the round shaft 15 to rotate;
[0024] The sewage enters the inside of the grid shell 1 from the water inlet 11, the sewage is discharged from the drain 12, and the impurities are isolated in the grid shell 1 by the filter screen 14, when the impurities are too much in the grid shell 1, the worker drives the round shaft 15 to rotate through the driving assembly, the round shaft 15 drives the cleaning grid 17 to move along the inside of the grid shell 1, the impurities on the filter screen 14 are driven to the impurity outlet 13 by counterclockwise rotation, at this time, the cleaning grid 17 is in an inclined state, the impurities will slide out of the grid shell 1 from the cleaning grid 17, since the direction of the cleaning grid 17 rotation is the same as the water flow, it is convenient to clean the impurities, the cleaned cleaning grid 17 moves to the upper part of the inside of the grid shell 1, blocks the drain 12, prevents the water flow from carrying the impurities and directly flushing to the other side of the grid shell 1; the cleaning brush 6 is increased at the end of the cleaning grid 17, the cleaning brush 6 can sweep the impurities blocked in the mesh of the filter screen 14, and it is convenient for the sewage to flow.
[0025] In the specific implementation process, such as Figure 3 and Figure 4As shown, the drive assembly includes a connecting ring 2 fixedly installed at the end of the circular shaft 15, a rotating shaft 21 fixedly arranged on the connecting ring 2, a worm wheel 22 fixedly arranged on the rotating shaft 21, a fixed block 23 fixedly arranged on the outer wall of the grid shell 1, a worm 24 rotatably arranged on the fixed block 23 and engaged with the worm wheel 22, and a rotating ring 25 fixedly arranged at one end of the worm 24.
[0026] By rotating the rotating ring 25 to drive the worm 24 to rotate, the worm 24 drives the worm wheel 22 to rotate, and the worm wheel 22 drives the circular shaft 15 to rotate through the rotating shaft 21, thereby achieving the driving of the cleaning grid 17.
[0027] In the specific implementation process, as shown in Figure 2 and Figure 3 , two L-shaped support rods 3 are fixedly arranged on the outer wall of the grid shell 1 at the drain port 12, a collecting box 31 is arranged on the support rod 3, and two connecting blocks 32 are fixedly arranged at the bottom of the collecting box 31.
[0028] The impurities from the impurity discharge port 13 directly enter the collecting box 31, achieving the collection of impurities, and the collecting box 31 is inserted into the support rod 3 through the connecting blocks 32 at the bottom, achieving quick installation and disassembly and improving the impurity cleaning efficiency.
[0029] In the specific implementation process, as shown in Figure 1 and Figure 2 , a connecting pipe 4 is fixedly arranged on the outer wall of the grid shell 1 at the water inlet 11, a guide plate 41 is fixedly arranged on the inner wall of the connecting pipe 4, an installation plate 5 is fixedly arranged at the end of the connecting pipe 4, and a plurality of circular grooves are formed in the edge of the installation plate 5.
[0030] The connecting pipe 4 facilitates the connection of the cylindrical grid shell 1 and the sewage pipeline, and the installation plate 5 is attached to the sewage pipeline during connection and connected through screws passing through the circular grooves.
[0031] Specifically, the working principle and operation method of the utility model are as follows:
[0032] The sewage enters the grid shell 1 from the water inlet 11, and the sewage is discharged from the drain port 12, while the impurities are isolated in the grid shell 1 by the filter screen 14. When the impurities are excessively accumulated in the grid shell 1, the rotating ring 25 is rotated to drive the worm 24 to rotate, the worm 24 drives the worm wheel 22 to rotate, the worm wheel 22 drives the circular shaft 15 to rotate through the rotating shaft 21, the circular shaft 15 drives the cleaning grid 17 to move along the inside of the grid shell 1, and the impurities on the filter screen 14 are driven to the impurity discharge port 13 by counterclockwise rotation. The impurities from the impurity discharge port 13 directly enter the collecting box 31, achieving the collection of impurities.
[0033] The above merely describes a preferred embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent substitutions or changes within the technical range disclosed by the present application, which should be covered within the scope of protection of the present application.
Claims
1. A filter grid for sewage treatment, characterised in that: The utility model relates to a grid shell (1) of cylindrical shape, the water inlet (11) is opened to the upper half of grid shell (1), the drain outlet (12) is opened to the lower half of grid shell (1), the impurity outlet (13) is opened to the side of grid shell (1), the filter screen (14) is fixedly arranged at the drain outlet (12), the circular shaft (15) is rotatably arranged in the center of grid shell (1), the connecting sleeve (16) is sleeved on the outer wall of circular shaft (15) in the inside of grid shell (1), the cleaning grid (17) is fixedly arranged on the outer wall of connecting sleeve (16), the driving assembly that the outer wall of grid shell (1) is equipped with drives circular shaft (15) rotation.
2. A filter grid for sewage treatment according to claim 1, characterized in that: The driving assembly includes a connecting ring (2) fixedly installed at the end of the circular shaft (15), a rotating shaft (21) fixedly arranged on the connecting ring (2), a worm wheel (22) fixedly arranged on the rotating shaft (21), a fixed block (23) fixedly arranged on the outer wall of the grid shell (1), a worm (24) rotatably arranged on the fixed block (23) and engaged with the worm wheel (22), and a rotating ring (25) fixedly arranged at one end of the worm (24).
3. The filter grid for sewage treatment according to claim 1, characterized in that: The outer wall of the grid shell (1) is fixedly provided with two L-shaped support rods (3) at the drain outlet (12), the support rod (3) is provided with a collection box (31), and the bottom of the collection box (31) is fixedly provided with two connecting blocks (32).
4. The filter grid for sewage treatment according to claim 1, characterized in that: The outer wall of the grid shell (1) is fixedly provided with a connecting pipe (4) at the water inlet (11), and the inner wall bottom of the connecting pipe (4) is fixedly provided with a guide plate (41).
5. A filter grid for sewage treatment according to claim 4, characterised in that: The end of the connecting pipe (4) is fixedly provided with a mounting plate (5), and a plurality of circular grooves are formed in the edge of the mounting plate (5).
6. The filter grate of claim 1, wherein: The upper end of the cleaning grid (17) is fixedly provided with a cleaning brush (6), and the cleaning brush (6) is attached to the inner wall of the grid shell (1).
7. The filter grid for sewage treatment according to claim 1, characterized in that: The water inlet (11) accounts for one third of the grid shell (1), the drain outlet (12) accounts for one half of the grid shell (1), and the impurity outlet (13) accounts for one fourth of the grid shell (1).