Pre-filter for circulating water treatment

Abstract

The utility model discloses a prefilter for circulating water treatment, which comprises a filter box, a filter cavity is arranged in the filter box, a filter plate is arranged in the filter cavity, a through groove is arranged at the right end of the filter box and penetrates through the front end and the rear end of the filter box, and the lower end face of the through groove and the upper end face of the filter plate are on the same horizontal plane. A through hole is formed in the right end of the inlet pipe; a fixing cover is mounted at the position, corresponding to the through hole, of the inlet pipe; a wheel paddle is arranged in the fixing cover and located in the inlet pipe; a rotating shaft is mounted in the wheel paddle and penetrates through the fixing cover; sewage is filtered through the filter plate, large-particle impurities in the sewage are filtered out, the wheel paddle is impacted through the sewage, the wheel paddle drives the cleaning rod to rotate, the cleaning rod sweeps the large-particle impurities on the filter plate into the collecting frame to be stored, then the large-particle impurities are cleaned, convenience and rapidness are achieved, workers do not need to clean the filter plate regularly, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the field of water treatment, in particular to a pre-filter for circulating water treatment. Background Art

[0002] Water treatment refers to the treatment of water by physical, chemical, biological and other means to meet human requirements for water quality. Water treatment includes the following main processes: Pretreatment: including pre-filter, grid, filtration, sedimentation and other processes to remove large particles of impurities and suspended solids in water. Chemical treatment: including dosing, neutralization, oxidation-reduction and other processes to remove harmful substances in water, such as heavy metals, organic matter, ammonia nitrogen, etc. Biological treatment: including activated sludge process, biofilm process and other processes to remove organic matter, ammonia nitrogen and other harmful substances in water. Deep treatment: including activated carbon adsorption, ozone oxidation, membrane filtration and other processes to further remove organic matter, heavy metals and other harmful substances in water to achieve higher water quality standards.

[0003] When sewage is treated, a pre-treatment filter is used to pre-treat the sewage to remove large particles of impurities in the sewage. Generally, the filter removes large particles of impurities in the sewage through the internal filter plate. Because the filter plate filters large particles of impurities, the impurities are large in size, so the filter plate is blocked by impurities faster when used, so that the staff needs to clean the filter plate regularly. The cleaning frequency of the staff is high, which is time-consuming and laborious. Therefore, those skilled in the art provide a pre-filter for circulating water treatment to solve the problems raised in the above background technology. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a pre-filter for circulating water treatment, including a filter box, a filter chamber is arranged inside the filter box, a filter plate is arranged inside the filter chamber, a through slot is arranged at the right end of the filter box, and the through slot runs through the front and rear ends of the filter box, the lower end surface of the through slot and the upper end surface of the filter plate are in the same horizontal plane, a discharge pipe is installed at the lower end of the filter box, an inlet pipe is installed at the upper end of the filter box, a through hole is arranged at the right end of the inlet pipe, a fixed cover is installed at the position of the inlet pipe corresponding to the through hole, a wheel paddle is arranged inside the fixed cover, and the wheel paddle is located in the inlet pipe, a rotating shaft is installed inside the wheel paddle, and the rotating shaft passes through the fixed cover, and a pulley is installed on the outer surface of the rotating shaft;

[0005] A circular cover is installed at the front and rear ends and the right end of the filter box, and the circular cover is installed outside the through slot, a round block is arranged inside the circular cover, a number of cleaning rods are evenly installed on the side of the round block, and the cleaning rods pass through the through slot and contact the upper end surface of the filter plate, a rotating rod is installed on the upper end of the round block, and the rotating rod passes through the circular cover, a circular plate is installed on the upper end of the rotating rod, an annular rack is installed on the upper end of the circular plate, a gear is arranged above the annular rack, and the gear and the annular rack are meshed, a transmission rod is installed at the front end of the gear, a second pulley is installed at the front end of the transmission rod, and a transmission belt is sleeved on the outer surfaces of the second pulley and the first pulley;

[0006] A circular hole is opened at the right part of the lower end of the circular cover, a fixed frame is installed at the position of the circular hole at the lower end of the circular cover, a conveying pipe is installed at the lower end of the fixed frame, and the conveying pipe is connected to the discharge pipe, a taking hole is opened at the right end of the fixed frame, a collecting frame is arranged in the fixed frame, and the right end of the collecting frame passes through the taking hole, and a filtering area is arranged at the bottom of the collecting frame.

[0007] Preferably, the rear end of the rotating shaft is rotatably connected to a baffle, and the baffle is fixedly connected to a filter box.

[0008] Preferably, an L-shaped plate is sleeved on the outer surface of the transmission rod, and the L-shaped plate is fixedly connected to the filter box.

[0009] Preferably, the conveying pipe is arranged obliquely.

[0010] Preferably: a handle is installed at the right end of the collection frame.

[0011] Preferably, a blocking block is arranged at the right end of the fixing frame, and the blocking block is rotationally connected to the fixing frame via a rotary damper.

[0012] Technical effects and advantages of the utility model:

[0013] The utility model discloses filter the sewage through the filter plate, filters out the large particle impurities in the sewage, at the same time, through the sewage impacting the wheel paddle, makes the wheel paddle drive the cleaning rod to rotate, the cleaning rod sweeps the large particle impurities on the filter plate into the collection frame for storage, and then cleans it, which is convenient and quick, does not need the worker to clean the filter plate regularly, saves time and labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of this application;

[0015] Figure 2 It is a schematic diagram of the structure of the delivery pipe of the present application;

[0016] Figure 3 is a cross-sectional view of the present application;

[0017] Figure 4 It is a schematic diagram of the structure of the collection frame of this application;

[0018] In the figure:

[0019] 1. Filter box; 2. Filter plate; 3. Through slot; 4. Discharge pipe; 5. Inlet pipe; 6. Fixed cover; 7. Paddle wheel; 8. Rotating shaft; 9. Pulley one; 10. Round cover; 11. Round hole; 12. Round block; 13. Cleaning rod; 14. Rotating rod; 15. Round plate; 16. Ring rack; 17. Transmission rod; 18. Pulley two; 19. Transmission belt; 20. Gear; 21. Fixed frame; 22. Delivery pipe; 23. Blocking block; 24. Collecting frame; 25. Filter area. Implementation

[0020] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.

[0021] See also Figures 1 to 4 In this embodiment, a pre-filter for circulating water treatment is provided, including a filter box 1, a filter cavity is arranged inside the filter box 1, a filter plate 2 is arranged inside the filter cavity, a through groove 3 is arranged at the right end of the filter box 1, and the through groove 3 runs through the front and rear ends of the filter box 1, the lower end surface of the through groove 3 and the upper end surface of the filter plate 2 are in the same horizontal plane, a discharge pipe 4 is installed at the lower end of the filter box 1, an inlet pipe 5 is installed at the upper end of the filter box 1, a through hole is arranged at the right end of the inlet pipe 5, a fixed cover 6 is installed at a position corresponding to the through hole of the inlet pipe 5, a paddle wheel 7 is arranged inside the fixed cover 6, and the paddle wheel 7 is located in the inlet pipe 5, a rotating shaft 8 is installed inside the paddle wheel 7, and the rotating shaft 8 passes through the fixed cover 6, and the rear end of the rotating shaft 8 rotates A baffle is dynamically connected to the filter box 1, and the baffle is fixedly connected to the filter box 1. A pulley 9 is installed on the outer surface of the rotating shaft 8. A circular cover 10 is installed at the front and rear ends and the right end of the filter box 1, and the circular cover 10 is installed outside the through groove 3. A round block 12 is arranged in the circular cover 10. A plurality of cleaning rods 13 are evenly installed on the side of the round block 12, and the cleaning rod 13 passes through the through groove 3 and contacts the upper end surface of the filter plate 2. A rotating rod 14 is installed on the upper end of the round block 12, and the rotating rod 14 passes through the circular cover 10. A circular plate 15 is installed on the upper end of the rotating rod 14, and an annular rack 16 is installed on the upper end of the circular plate 15. A gear 20 is arranged above the annular rack 16, and the gear 20 is meshed with the annular rack 16. The gear 20 A transmission rod 17 is installed at the front end, and a pulley 18 is installed at the front end of the transmission rod 17. A transmission belt 19 is sleeved on the outer surfaces of the pulley 18 and the pulley 1 9. An L-shaped plate is sleeved on the outer surface of the transmission rod 17, and the L-shaped plate is fixedly connected to the filter box 1. A circular hole 11 is opened at the right part of the lower end of the circular cover 10, and a fixed frame 21 is installed at the position of the circular hole 11 at the lower end of the circular cover 10. A conveying pipe 22 is installed at the lower end of the fixed frame 21, and the conveying pipe 22 is connected to the discharge pipe 4, and the conveying pipe 22 is inclined. A taking hole is opened at the right end of the fixed frame 21, and a collecting frame 24 is arranged in the fixed frame 21, and the right end of the collecting frame 24 passes through the taking hole. A handle is installed on the right end of the collecting frame 24, and a filtering area 25 is arranged at the bottom of the collecting frame 24. A blocking block 23 is arranged at the right end of the fixed frame 21, and the blocking block 23 is rotatably connected to the fixed frame 21 through a rotary damper.

[0022] The working principle of the utility model is as follows: sewage enters the filter box 1 through the inlet pipe 5, and is filtered through the filter plate 2 to filter out large particles of impurities in the sewage. When the sewage passes through the inlet pipe 5, the sewage impacts the paddle wheel 7, so that the paddle wheel 7 rotates and drives the rotating shaft 8 to rotate. The rotating shaft 8 drives the transmission rod 17 to rotate through the pulley 1 9, the transmission belt 19 and the pulley 2 18, and the transmission rod 17 drives the gear 20 to rotate. The gear 20 and the annular rack 16 mesh and drive the circular plate 15 to rotate. The circular plate 15 drives a plurality of cleaning rods 13 to rotate through the rotating rod 14 and the round block 12. The cleaning rod 13 rotates to clean the large particles of impurities on the filter plate 2. The cleaning rod 13 sweeps the large particles of impurities through the bottom of the circular cover 10 to the position of the circular hole 11. The large particles of impurities fall into the collecting frame 24 through the circular hole 11 for storage. The water inside the large particles of impurities enters the discharge pipe 4 through the filtering area 25 and the conveying pipe 22 and is discharged. The rotating blocking block 23 leaves the collecting frame 24, and then the collecting frame 24 is taken out to clean the large particles of impurities, which is convenient and quick.

[0023] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A pre-filter for circulating water treatment, comprising a filter box (1), characterized in that: The filter box (1) is provided with a filter cavity inside, and a filter plate (2) is provided inside the filter cavity. A through groove (3) is provided at the right end of the filter box (1), and the through groove (3) runs through the front and rear ends of the filter box (1). The lower end surface of the through groove (3) and the upper end surface of the filter plate (2) are on the same horizontal plane. A discharge pipe (4) is installed at the lower end of the filter box (1), and an inlet pipe (5) is installed at the upper end of the filter box (1). A through hole is provided at the right end of the inlet pipe (5). A fixed cover (6) is installed at a position corresponding to the through hole of the inlet pipe (5). A wheel paddle (7) is provided inside the fixed cover (6), and the wheel paddle (7) is located inside the inlet pipe (5). A rotating shaft (8) is installed inside the wheel paddle (7), and the rotating shaft (8) passes through the fixed cover (6). A pulley (9) is installed on the outer surface of the rotating shaft (8). A circular cover (10) is installed at the front and rear ends and the right end of the filter box (1), and the circular cover (10) is installed outside the through groove (3). A round block (12) is arranged inside the circular cover (10). A plurality of cleaning rods (13) are evenly installed on the side of the round block (12), and the cleaning rods (13) pass through the through groove (3) and contact the upper end surface of the filter plate (2). A rotating rod (14) is installed on the upper end of the round block (12), and the rotating rod (14) passes through the circular cover (10). A circular plate (15) is installed on the upper end of the rotating rod (14), and an annular rack (16) is installed on the upper end of the circular plate (15). A gear (20) is arranged above the annular rack (16), and the gear (20) and the annular rack (16) are meshed. A transmission rod (17) is installed at the front end of the gear (20), and a pulley 2 (18) is installed at the front end of the transmission rod (17). A transmission belt (19) is sleeved on the outer surfaces of the pulley 2 (18) and the pulley 1 (9); A circular hole (11) is provided at the right part of the lower end of the circular cover (10); a fixing frame (21) is installed at a position of the lower end of the circular cover (10) corresponding to the circular hole (11); a delivery pipe (22) is installed at the lower end of the fixing frame (21), and the delivery pipe (22) is connected to the discharge pipe (4); a taking hole is provided at the right end of the fixing frame (21); a collecting frame (24) is provided in the fixing frame (21), and the right end of the collecting frame (24) passes through the taking hole; a filtering area (25) is provided at the bottom of the collecting frame (24).

2. A pre-filter for circulating water treatment according to claim 1, characterized in that: The rear end of the rotating shaft (8) is rotatably connected to a baffle, and the baffle is fixedly connected to the filter box (1).

3. A pre-filter for circulating water treatment according to claim 1, characterized in that: An L-shaped plate is sleeved on the outer surface of the transmission rod (17), and the L-shaped plate is fixedly connected to the filter box (1).

4. A pre-filter for circulating water treatment according to claim 1, characterized in that: The delivery pipe (22) is arranged obliquely.

5. A pre-filter for circulating water treatment according to claim 1, characterized in that: A handle is installed at the right end of the collecting frame (24).

6. A pre-filter for circulating water treatment according to claim 1, characterized in that: A blocking block (23) is provided at the right end of the fixed frame (21), and the blocking block (23) is rotatably connected to the fixed frame (21) via a rotary damper.

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