Sewage treatment grid with filtering function

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment grid with a filtering function, which comprises a mounting bracket, the interior of the mounting bracket is of a front-back through structure, the front end and the rear end of the top of the mounting bracket are provided with mounting grooves, and the mounting groove at the front end is internally provided with a rough filtering grid in a matched and sliding manner; a fine filtering grid is adaptively and slidably mounted in the mounting groove in the rear end, cleaning assemblies are arranged on the inner walls of the two sides of the mounting bracket, each cleaning assembly comprises a movable frame, and spur racks are arranged on the two inner side walls of each movable frame. According to the utility model, the classified filtration treatment of sewage can be realized, and the cleaning scrapers respectively scrape back and forth on the inner walls of the coarse filtration grid and the fine filtration grid, so that sludge impurities attached to the grids can be effectively cleaned, and the influence on the filtration effect caused by blockage of grid filtration holes is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment grid with a filtering function. Background Art

[0002] Grille, also known as steel grille, steel grating or grille plate, is made of flat steel and twisted steel welded together. Grille is mainly used in rest platforms, walkways, ditch covers and stepping boards. It is also used in environmental protection equipment and sewage treatment. Grille is widely used in petrochemical, electric power, tap water, sewage treatment, port terminals, building decoration, shipbuilding, self-propelled parking lots, municipal engineering, sanitation engineering and other fields such as platforms, walkways, trestles, ditch covers, manhole covers, ladders, fences, etc.

[0003] In sewage treatment, filter grids are used to filter impurities in sewage to prevent larger impurities from clogging pipes. However, general sewage treatment filter grids only block impurities, causing impurities to easily clog the grid filter holes and sewage cannot continue to flow through the filter grid. Utility Model Content

[0004] The purpose of the utility model is to provide a sewage treatment grid with a filtering function, aiming to solve the above technical problems.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A sewage treatment grid with a filtering function comprises a mounting bracket, the interior of the mounting bracket is a through structure penetrating from front to back, mounting grooves are arranged at the front and rear ends of the top of the mounting bracket, a coarse filter grid is adapted to be slidably mounted in the mounting groove at the front end, and a fine filter grid is adapted to be slidably mounted in the mounting groove at the rear end, a cleaning assembly is arranged on the inner walls on both sides of the mounting bracket, the cleaning assembly comprises a movable frame, straight racks are arranged on the two inner side walls of the movable frame, a driving tooth is rotatably mounted on the central part of the movable frame, a toothless tooth groove is arranged on the outer side of the driving tooth, the toothless tooth groove maintains a tooth connection with the straight rack on one side, connecting rods are fixedly connected on both sides of the movable frame, cleaning scrapers are fixedly arranged on the ends of the connecting rods, and the cleaning scrapers on both sides are respectively abutted against the inner walls of the coarse filter grid and the fine filter grid.

[0007] As a further solution of the utility model: the surface of the coarse filter grid is penetrated by coarse filter holes distributed in an array, and the surface of the fine filter grid is penetrated by fine filter holes distributed in an array.

[0008] As a further solution of the utility model: a lifting handle is fixedly provided on the outer side of the coarse filter grille and the fine filter grille.

[0009] As a further solution of the utility model: the cleaning component also includes a cleaning motor, the cleaning motor is fixedly arranged on both sides of the mounting bracket, the output end of the cleaning motor is connected to a rotating shaft, and the rotating shaft passes through the mounting bracket and is fixedly connected to the driving gear.

[0010] As a further solution of the utility model: the outer cover of the cleaning motor is provided with a waterproof sealing cover.

[0011] As a further solution of the utility model: guide rods are fixedly provided at the upper and lower ends of the movable frame, and limit seats are fixedly provided at the upper and lower ends of the inner wall of the mounting bracket, and the guide rods vertically slide through the limit seats.

[0012] The beneficial effects of the utility model are as follows: by arranging a coarse filter grid and a fine filter grid, the sewage is first filtered through the coarse filter holes on the coarse filter grid, and then filtered through the fine filter holes on the fine filter grid, thereby realizing graded filtration treatment of the sewage, and the movable frame can reciprocate up and down. During the lifting process of the movable frame, the cleaning scraper is driven by the connecting rod to scrape back and forth on the inner walls of the coarse filter grid and the fine filter grid respectively, thereby effectively cleaning the sludge impurities attached to the grid, avoiding clogging of the grid filter holes and affecting the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings.

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the internal structure of the mounting bracket in the utility model;

[0016] Figure 3 It is a structural schematic diagram of the cleaning component in the utility model;

[0017] In the figure: 1. mounting bracket; 101. mounting slot; 2. coarse filter grid; 201. coarse filter hole; 3. fine filter grid; 301. fine filter hole; 4. lifting handle; 5. cleaning motor; 6. moving frame; 7. driving tooth; 701. missing tooth groove; 8. rotating shaft; 9. guide rod; 10. connecting rod; 11. cleaning scraper; 12. limit seat. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-Figure 3 As shown, the utility model is a sewage treatment grille with a filtering function, comprising a mounting bracket 1, the interior of the mounting bracket 1 is a through structure that penetrates from front to back, the front and rear ends of the top of the mounting bracket 1 are provided with mounting grooves 101, a coarse filter grille 2 is adapted to be slidably installed in the mounting groove 101 at the front end, and a fine filter grille 3 is adapted to be slidably installed in the mounting groove 101 at the rear end, and a cleaning assembly is provided on the inner walls on both sides of the mounting bracket 1, and the cleaning assembly comprises a moving frame 6, and straight racks are provided on the two inner side walls of the moving frame 6, and a driving tooth 7 is rotatably installed in the center of the moving frame 6, and a toothless tooth groove 701 is provided on the outer side of the driving tooth 7, and the toothless tooth groove 701 maintains a tooth connection with the straight rack on one side, and the two sides of the moving frame 6 are fixedly connected with connecting rods 10, and the ends of the connecting rods 10 are fixedly provided with cleaning scrapers 11, and the cleaning scrapers 11 on both sides are respectively abutted against the inner walls of the coarse filter grille 2 and the fine filter grille 3.

[0020] Furthermore, the surface of the coarse filter grid 2 is penetrated with coarse filter holes 201 distributed in an array, and the surface of the fine filter grid 3 is penetrated with fine filter holes 301 distributed in an array.

[0021] Furthermore, a lifting handle 4 is fixedly provided on the outer sides of the coarse filter grid 2 and the fine filter grid 3 .

[0022] Furthermore, the cleaning assembly also includes a cleaning motor 5 , which is fixedly arranged on both sides of the mounting bracket 1 , and the output end of the cleaning motor 5 is connected to a rotating shaft 8 , which passes through the mounting bracket 1 and is fixedly connected to the driving gear 7 .

[0023] Furthermore, the outer cover of the cleaning motor 5 is provided with a waterproof sealing cover, which can effectively improve the waterproof sealing performance to ensure that the cleaning motor can operate normally in an underwater environment.

[0024] Furthermore, guide rods 9 are fixedly provided at the upper and lower ends of the movable frame 6 , and limit seats 12 are fixedly provided at the upper and lower ends of the inner wall of the mounting bracket 1 , and the guide rods 9 vertically slide through the limit seats 12 .

[0025] The working principle of the utility model is as follows: when in use, the staff plugs the coarse filter grille 2 and the fine filter grille 3 into the mounting groove 101 respectively by pulling the handle 4, and makes the sewage first pass through the coarse filter holes 201 on the coarse filter grille 2 for filtering, and then pass through the fine filter holes 301 on the fine filter grille 3 for filtering, thereby realizing graded filtering treatment of the sewage, and starting the cleaning motor 5, the cleaning motor 5 will drive the rotating shaft 7 to rotate, and the rotating shaft 7 will drive the driving gear 7 to rotate, so that the toothless tooth groove 701 and the straight rack 601 are meshed and rotated, thereby driving the moving frame 6 to move up and down reciprocatingly, and during the lifting process of the moving frame 6, the cleaning scraper 10 is driven by the connecting rod 11 to scrape back and forth on the inner walls of the coarse filter grille 2 and the fine filter grille 3 respectively, so that the sludge impurities attached to the grille can be effectively cleaned to avoid clogging of the grille filter holes and affecting the filtering effect. When the grille needs to be replaced, the staff only needs to pull the lifting handle 4 to pull the grille to be replaced out of the mounting groove 101.

[0026] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A sewage treatment grid with filtering function, characterized in that: The invention comprises a mounting bracket (1), wherein the interior of the mounting bracket (1) is a through structure penetrating from front to back, and mounting grooves (101) are arranged at the front and rear ends of the top of the mounting bracket (1), a coarse filter grille (2) is adapted to be slidably installed in the mounting groove (101) at the front end, and a fine filter grille (3) is adapted to be slidably installed in the mounting groove (101) at the rear end, and cleaning components are arranged on the inner walls on both sides of the mounting bracket (1), and the cleaning components include a movable frame (6), and the inner walls of the movable frame (6) are arranged on both sides of the inner wall. A straight rack is arranged on the top, a driving tooth (7) is rotatably installed in the center of the movable frame (6), a toothless tooth groove (701) is arranged on the outer side of the driving tooth (7), and the toothless tooth groove (701) maintains tooth engagement with the straight rack on one side, and connecting rods (10) are fixedly connected on both sides of the movable frame (6), and cleaning scrapers (11) are fixedly arranged at the ends of the connecting rods (10), and the cleaning scrapers (11) on both sides are respectively attached to the inner walls of the coarse filter grille (2) and the fine filter grille (3).

2. The sewage treatment grid with filtering function according to claim 1, characterized in that: The surface of the coarse filter grid (2) is provided with coarse filter holes (201) distributed in an array, and the surface of the fine filter grid (3) is provided with fine filter holes (301) distributed in an array.

3. The sewage treatment grid with filtering function according to claim 1, characterized in that: The outer sides of the coarse filter grid (2) and the fine filter grid (3) are both fixedly provided with lifting handles (4).

4. The sewage treatment grid with filtering function according to claim 1, characterized in that: The cleaning assembly further comprises a cleaning motor (5), wherein the cleaning motor (5) is fixedly arranged on both sides of the mounting bracket (1), and the output end of the cleaning motor (5) is connected to a rotating shaft (8), and the rotating shaft (8) passes through the mounting bracket (1) and is fixedly connected to the driving gear (7).

5. The sewage treatment grid with filtering function according to claim 4, characterized in that: The outer side cover of the cleaning motor (5) is provided with a waterproof sealing cover.

6. The sewage treatment grid with filtering function according to claim 1, characterized in that: Guide rods (9) are fixedly provided at the upper and lower ends of the movable frame (6), and limit seats (12) are fixedly provided at the upper and lower ends of the inner wall of the mounting bracket (1), and the guide rods (9) vertically slide through the limit seats (12).

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