Water circulation filtering device for underwater pelletizing

By using an annular filter mesh in the water circulation filter device and driving it to rotate with a motor, the problem of difficulty in cleaning impurities in the filter plate in the prior art is solved, and the filtration efficiency is improved.

CN222788647UActive Publication Date: 2025-04-25NANJING HONE MACHINERY ELECTRONICS CO LTD
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Patent Information

Application Number
CN202421765579.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-24
Publication Date
2025-04-25
Estimated Expiration
2034-07-24

AI Technical Summary

Technical Problem

In the existing water circulation filtration device for underwater pelletization, the filter plate is located in the box, which makes it impossible for staff to clean up the impurities on the filter plate in time, thereby reducing the filtration efficiency.

Method used

A water circulation filter device is designed, using an annular filter net, and the rotating roller drives the annular filter net to rotate through a motor, so that impurities fall outside the box, reducing impurities accumulation and improving filtration efficiency.

Benefits of technology

Through the rotation of the annular filter, the possibility of impurities accumulation on the filter is effectively reduced, and the filtration efficiency of water in the turbid water tank is improved.

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Abstract

The utility model discloses a water circulation filtering device for underwater pelletizing, and belongs to the field of filtering devices.The water circulation filtering device comprises a box body, a partition plate is fixed in the box body and divides the box body into a muddy water pool and a clean water pool, a water inlet pipe is fixed to the side face of the box body and communicates with the muddy water pool, and a fixing block is fixed to one inner side face of the clean water pool; a first rotating roller is rotationally installed between the opposite side faces of the fixing blocks and the partition plate, a through opening is formed in the side face of the box body and communicates with the clean water tank, two installation blocks are fixed to the side face of the box body and located on the two sides of the through opening correspondingly, and a second rotating roller is rotationally installed between the two installation blocks. The first rotating roller and the second rotating roller are sleeved with an annular filter screen, a motor is arranged on the side face of the box body, and an output shaft of the motor is fixedly connected with one end of the second rotating roller. The muddy water pond has the effect of improving the filtering effect on water in the muddy water pond.
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Description

Technical Field

[0001] The present application relates to the technical field of filtration, and in particular to a water circulation filtration device for underwater pelletizing. Background Art

[0002] Generally, an underwater pelletizer is used to cut the molten material extruded through a template into particles in flowing water to produce plastic masterbatch. In order to save water resources, the water in the underwater pelletizer is generally recycled and filtered for reuse.

[0003] An existing water circulation filtering device for underwater pelletizing comprises a box body, a partition is fixed in the box body, the partition divides the box body into a turbid water pool and a clear water pool, support plates are fixed between the opposite inner sides of the clear water pool, filter plates are arranged on the two support plates, one side of the filter plate is fitted with the side of the partition, an incoming water pipe is fixed on the side of the box body, the incoming water pipe is connected to the turbid water pool, a water pump is fixed on the side of the box body, a water inlet of the water pump is connected to a suction pipe, one end of the suction pipe away from the water pump is fixedly connected to the side of the box body, the suction pipe is connected to the clear water pool, a return pipe is fixedly connected to the water outlet of the water pump, and the return pipe transports water to the underwater pelletizer.

[0004] In the above-mentioned related technology, the water in the underwater pelletizer is transported to the turbid water tank through the water pipe. When the water level in the turbid water tank is higher than the partition, the water in the turbid water tank passes through the filter plate and flows into the clear water tank, so that the filter plate filters the water in the turbid water tank. Then the water pump is started, and the water in the clear water tank is pumped into the water pump through the suction pipe. Then, the water is transported to the underwater pelletizer through the reflux pipe. When the water in the turbid water tank passes through the filter plate, because the filter plate is located in the box, the staff cannot clean the impurities filtered on the filter plate in time, so that the impurities accumulate on the filter plate, thereby reducing the filtration efficiency of the water in the turbid water tank. Utility Model Content

[0005] In order to improve the problem that because the filter plate is located inside the box, the staff cannot clean the impurities filtered on the filter plate in time, causing the impurities to accumulate on the filter plate, thereby reducing the filtration efficiency of the water in the turbid water pool, the present application provides a water circulation filtration device for underwater pelletizing.

[0006] The water circulation filtration device for underwater pelletizing provided in the present application adopts the following technical solution:

[0007] A water circulation filtering device for underwater pelletizing comprises a box body, a partition is fixed in the box body, the partition divides the box body into a turbid water pool and a clear water pool, a water supply pipe is fixed to the side of the box body, the water supply pipe is connected to the turbid water pool, a fixed block is fixed to one of the inner side surfaces of the clear water pool, a rotating roller 1 is rotatably installed between the fixed block and the side opposite to the partition, a through opening is opened on the side of the box body, the through opening is connected to the clear water pool, two mounting blocks are fixed to the side of the box body, the two mounting blocks are respectively located on both sides of the through opening, a rotating roller 2 is rotatably installed between the two mounting blocks, an annular filter screen is sleeved on the rotating roller 1 and the rotating roller 2, a motor is arranged on the side of the box body, and the output shaft of the motor is fixedly connected to one end of the rotating roller 2.

[0008] By adopting the above technical scheme, the water in the underwater pelletizer is transported to the turbid water tank through the water pipe. When the water level in the turbid water tank is higher than the partition, the water in the turbid water tank passes through the annular filter and flows into the clean water tank. Then the motor is started, and the output shaft of the motor drives the rotating roller 2 to rotate, so that the rotating roller 2 drives the annular filter to rotate, so that during the rotation of the annular filter, impurities fall outside the box, reducing the possibility of impurities accumulating on the annular filter and clogging the annular filter, thereby improving the filtration efficiency of the water in the turbid water tank.

[0009] Preferably, a cover plate 1 is provided on the top surface of the box body, and the cover plate 1 is located above the turbid water tank. The cover plate 1 is fixedly connected to the box body by bolts, and a cover plate 2 is hinged on the side of the cover plate 1, and the cover plate 2 is located above the clear water tank. The bottom surface of the cover plate 2 is in contact with the top surface of the box body.

[0010] By adopting the above technical solution, cover plate 1 and cover plate 2 are arranged on the box body to seal the box body, thereby protecting the box body and reducing the possibility of other objects falling into the box body.

[0011] Preferably, a support column is fixed to the inner side surface of the adjacent partition in the clear water tank, a support rod is sleeved on the support column, the support rod is rotatably connected to the support column, a lap block is fixed to the inner side surface of the clear water tank, the outer peripheral surface of the support column can abut against the top surface of the lap block, an abutment plate is fixed to the bottom surface of the cover plate two, and the top end of the support rod can abut against the side of the abutment plate close to the cover plate one.

[0012] By adopting the above technical solution, when the annular filter needs to be inspected, cover plate 2 is rotated upward, and then the support rod is rotated forward so that the top end of the support rod abuts against the side of the abutment plate close to cover plate 1, thereby reducing the possibility of cover plate 2 falling and facilitating the staff to inspect the annular filter.

[0013] Preferably, a water supply pipe is fixed to the side of the box body, a valve 1 is provided on the water supply pipe, and the water supply pipe is connected to the clean water tank.

[0014] By adopting the above technical solution, water will be lost during the circulation. When it is necessary to add clean water to the clean water tank, valve 1 is opened to add water to the clean water tank through the water adding pipe.

[0015] Preferably, an overflow pipe is fixed to the outer peripheral surface of the water filling pipe, the overflow pipe is connected to the water filling pipe, the connection between the overflow pipe and the water filling pipe is located on the side of the valve away from the box body, one end of the overflow pipe away from the water filling pipe is fixedly connected to the side of the box body, and the overflow pipe is connected to the clean water tank.

[0016] By adopting the above technical solution, an overflow pipe is set between the water supply pipe and the clean water tank. When the water level in the clean water tank reaches the height of the overflow pipe, it can automatically flow out through the overflow pipe, thereby reducing the possibility of water overflowing from the clean water tank.

[0017] Preferably, a drain pipe is provided on one side of the box body, a drain pipe 1 is fixedly connected to the bottom surface of the turbid water tank, and a drain pipe 2 is fixedly connected to the bottom surface of the clear water tank. Valve 2 is provided on both drain pipe 1 and drain pipe 2, and one end of drain pipe 1 away from the box body and one end of drain pipe 2 away from the box body are respectively connected to the drain pipe.

[0018] By adopting the above technical scheme, when the turbid water tank and the clear water tank need to be cleaned, the valves on the sewage pipe one and the sewage pipe two are opened, so that the sewage in the turbid water tank and the clear water tank can be discharged when cleaning the turbid water tank and the clear water tank.

[0019] Preferably, a material receiving box is provided on one side of the box body, and the material receiving box is located below the output end of the annular filter screen.

[0020] By adopting the above technical solution, a material receiving box is arranged on one side of the box body, and impurities on the annular filter screen fall into the material receiving box during the rotation of the annular filter screen, thereby facilitating centralized cleaning of the impurities.

[0021] Preferably, a scraper disposed obliquely is fixed to the side of the box body, the scraper is located below the annular filter screen, and the top of the scraper is in contact with the bottom surface of the annular filter screen.

[0022] By adopting the above technical solution, a scraper is arranged on the side of the box body, so that when the annular filter screen rotates, the scraper can scrape off the impurities adhering to the annular filter screen.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. The water in the underwater pelletizer is transported to the turbid water tank through the water pipe. When the water level in the turbid water tank is higher than the baffle, the water in the turbid water tank flows into the clean water tank through the annular filter. Then the motor is started, and the output shaft of the motor drives the rotating roller 2 to rotate, so that the rotating roller 2 drives the annular filter to rotate, so that the annular filter makes impurities fall outside the box during the rotation process, reducing the possibility of impurities accumulating on the annular filter and clogging the annular filter, thereby improving the filtering efficiency of the water in the turbid water tank;

[0025] 2. When the annular filter needs to be inspected, turn the cover plate 2 upwards, and then turn the support rod to make the top of the support rod abut against the side of the abutment plate close to the cover plate 1, thereby reducing the possibility of the cover plate 2 falling, making it easier for the staff to inspect the annular filter;

[0026] 3. An overflow pipe is set between the water filling pipe and the clean water tank. When the water level in the clean water tank reaches the height of the overflow pipe, it can automatically flow out through the overflow pipe, thereby reducing the possibility of water overflowing from the clean water tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the water circulation filtration device for underwater pelletizing according to an embodiment of the present application.

[0028] Figure 2 It is a cross-sectional view of the box body in the embodiment of the present application.

[0029] Figure 3 It is a schematic diagram of the expansion of the cover plate 2 in the embodiment of the present application.

[0030] Figure numerals: 1. Box body; 11. Partition; 12. Groove; 13. Turbid water tank; 14. Clear water tank; 15. Inlet water pipe; 2. Fixed block; 21. Rotating roller one; 22. Through port; 23. Mounting block; 24. Rotating roller two; 25. Scraper; 26. Receiving box; 27. Annular filter; 28. Motor; 3. Water pump; 31. Suction pipe; 32. Return pipe; 33. Water adding pipe; 34. Overflow pipe; 35. Valve one; 4. Drain pipe; 41. Sewage pipe one; 42. Sewage pipe two; 43. Valve two; 5. Cover plate one; 51. Cover plate two; 52. Support column; 53. Support rod; 54. Overlap block; 55. Abutment plate. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-3 This application is described in further detail.

[0032] The embodiment of the present application discloses a water circulation filtration device for underwater pelletizing.

[0033] Reference Figure 1 and Figure 2 A water circulation filtering device for underwater pelletizing includes a box body 1 and a partition 11 fixed in the box body 1. A groove 12 is provided on the top surface of the partition 11. The groove 12 runs through the two sides of the partition 11. The partition 11 divides the box body 1 into a turbid water pool 13 and a clear water pool 14. A water supply pipe 15 is fixed on the side of the box body 1, and the water supply pipe 15 is connected to the turbid water pool 13.

[0034] Reference Figure 1 and Figure 2 A fixed block 2 is fixed to one of the inner sides of the partition 11 adjacent to the clean water tank 14, and a rotating roller 21 is rotatably installed between the fixed block 2 and the side opposite to the partition 11. A through opening 22 is provided on the side of the box body 1, and the through opening 22 is connected to the clean water tank 14, and one of the inner sides of the through opening 22 is coplanar with the side of the partition 11. Two mounting blocks 23 arranged parallel to each other are fixed to the side of the box body 1, and a rotating roller 24 is rotatably installed between the two mounting blocks 23. The outer circumferences of the rotating rollers 1 21 and 24 are sleeved with an annular filter screen 27, and the top surface of the annular filter screen 27 is located below the inner bottom surface of the groove 12. A motor 28 is fixed to the side of the box body 1, and the output shaft 1 of the motor 28 is fixedly connected to one end of the rotating roller 24. A material receiving box 26 is provided on one side of the box body 1, and the material receiving box 26 is located below the output end of the annular filter screen 27. A scraper 25 arranged obliquely is fixed to the side of the box body 1 . The scraper 25 is located below the annular filter screen 27 , and the top end of the scraper 25 abuts against the bottom surface of the annular filter screen 27 .

[0035] Reference Figure 1 and Figure 2 A water pump 3 is fixed to one side of the box body 1, and a water pumping pipe 31 is fixedly connected to the water inlet of the water pump 3. The end of the water pumping pipe 31 away from the water pump 3 is fixed to the side of the box body 1, and the water pumping pipe 31 is connected to the clean water tank 14. A return pipe 32 is fixedly connected to the water outlet of the water pump 3. A water supply pipe 33 is fixed to one side of the box body 1 adjacent to the water pump 3. The water supply pipe 33 is connected to the clean water tank 14, and a valve 1 35 is fixed to the outer peripheral surface of the water supply pipe 33. An overflow pipe 34 is fixed to the outer peripheral surface of the water supply pipe 33. The overflow pipe 34 is connected to the water supply pipe 33. The connection between the overflow pipe 34 and the water supply pipe 33 is located on the side of the valve 1 35 away from the box body 1. The end of the overflow pipe 34 away from the water supply pipe 33 is fixed to the side of the box body 1, and the overflow pipe 34 is connected to the clean water tank 14.

[0036] Reference Figure 1 and Figure 2The bottom surface of the turbid water tank 13 is fixedly connected with a drainage pipe 1 41, which is in communication with the turbid water tank 13. The bottom surface of the clean water tank 14 is fixedly connected with a drainage pipe 2 42, which is in communication with the clean water tank 14. A drain pipe 4 is arranged on one side of the box body 1, and one end of the drainage pipe 1 41 away from the box body 1 is fixedly connected with the outer peripheral surface of the drain pipe 4, and one end of the drainage pipe 2 42 away from the box body 1 is inserted into one end of the drain pipe 4, and the drainage pipe 42 is fixedly connected with the drain pipe 4, and valves 2 43 are fixedly arranged on the outer peripheral surfaces of the drainage pipe 1 41 and the drainage pipe 2 42.

[0037] Reference Figure 1 and Figure 3 , the top surface of the box body 1 is provided with a cover plate 15, the bottom surface of the cover plate 15 is in contact with the top surface of the box body 1, the cover plate 15 is located above the turbid water tank 13, and the cover plate 15 is fixedly connected to the box body 1 by bolts. The side of the cover plate 15 is hinged with a cover plate 2 51, the bottom surface of the cover plate 2 51 is in contact with the top surface of the box body 1, and the cover plate 2 51 is located above the clear water tank 14. The inner side surfaces opposite to the clear water tank 14 are fixed with support columns 52, and the support columns 52 are sleeved with support rods 53, and the support rods 53 are rotatably connected to the support columns 52. The inner side surfaces opposite to the clear water tank 14 are fixed with lap blocks 54, and the outer peripheral surface of the support rod 53 can abut against the top surface of the lap blocks 54. Abutment plates 55 are fixed on both sides of the bottom surface of the cover plate 2 51, and the end of the support rod 53 away from the support column 52 can abut against the side surface of the abutment plate 55 close to the cover plate 15.

[0038] The implementation principle of a water circulation filtration device for underwater pelletizing in the embodiment of the present application is as follows: the water in the underwater pelletizer is transported to the turbid water pool 13 through the water pipe 15. When the water in the turbid water pool 13 is higher than the position of the groove 12, the water in the turbid water pool 13 passes through the groove 12 and flows into the clean water pool 14. When the water in the turbid water pool 13 flows to the clean water pool 14, it passes through the annular filter screen 27, so that the annular filter screen 27 filters the water in the turbid water pool 13, so that impurities are filtered on the surface of the annular filter screen 27, and then the motor 28 is started, and the output shaft of the motor 28 drives the transmission roller 2 to rotate, and the transmission roller 2 drives the annular filter screen 27 to rotate, so that the impurities on the annular filter screen 27 fall into the material receiving box 26, reducing the possibility of impurities accumulating on the annular filter screen 27 and blocking the annular filter screen 27, thereby improving the filtering efficiency of the annular filter screen 27.

[0039] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A water circulation filtration device for underwater pelletizing, comprising a housing (1), wherein a partition (11) is fixed inside the housing (1), wherein the partition (11) divides the housing (1) into a turbid water pool (13) and a clear water pool (14), wherein a water supply pipe (15) is fixed on the side of the housing (1), wherein the water supply pipe (15) is connected to the turbid water pool (13), and wherein: A fixed block (2) is fixed to one of the inner sides of the clean water tank (14); a rotating roller (21) is rotatably mounted between the fixed block (2) and the side opposite to the partition (11); a through opening (22) is opened on the side of the box body (1); the through opening (22) is connected to the clean water tank (14); two mounting blocks (23) are fixed to the side of the box body (1); the two mounting blocks (23) are respectively located on both sides of the through opening (22); a rotating roller (24) is rotatably mounted between the two mounting blocks (23); an annular filter screen (27) is sleeved on the rotating roller (21) and the rotating roller (24); a motor (28) is arranged on the side of the box body (1); an output shaft of the motor (28) is fixedly connected to one end of the rotating roller (24).

2. A water circulation filtration device for underwater pelletizing according to claim 1, characterized in that: The top surface of the box body (1) is provided with a cover plate 1 (5), the cover plate 1 (5) is located above the turbid water tank (13), the cover plate 1 (5) is fixedly connected to the box body (1) by bolts, the side surface of the cover plate 1 (5) is hinged with a cover plate 2 (51), the cover plate 2 (51) is located above the clear water tank (14), and the bottom surface of the cover plate 2 (51) is in contact with the top surface of the box body (1).

3. A water circulation filtration device for underwater pelletizing according to claim 2, characterized in that: A support column (52) is fixed on the inner side surface of the clean water tank (14) adjacent to the partition (11), and a support rod (53) is sleeved on the support column (52). The support rod (53) is rotatably connected to the support column (52). A lap block (54) is fixed on the inner side surface of the clean water tank (14), and the outer peripheral surface of the support column (52) can abut against the top surface of the lap block (54). An abutment plate (55) is fixed on the bottom surface of the cover plate 2 (51), and the top end of the support rod (53) can abut against the side surface of the abutment plate (55) close to the cover plate 1 (5).

4. A water circulation filtration device for underwater pelletizing according to claim 1, characterized in that: A water supply pipe (33) is fixed to the side of the box body (1), a valve (35) is provided on the water supply pipe (33), and the water supply pipe (33) is connected to the clean water tank (14).

5. A water circulation filtering device for underwater pelletizing according to claim 4, characterized in that: An overflow pipe (34) is fixed on the outer peripheral surface of the water supply pipe (33), and the overflow pipe (34) is connected to the water supply pipe (33). The connection between the overflow pipe (34) and the water supply pipe (33) is located on the side of the valve (35) away from the box (1). One end of the overflow pipe (34) away from the water supply pipe (33) is fixedly connected to the side of the box (1), and the overflow pipe (34) is connected to the clean water tank (14).

6. The water circulation filtering device for underwater pelletizing according to claim 1, characterized in that: A drainage pipe (4) is provided on one side of the box body (1), a drainage pipe 1 (41) is fixedly connected to the bottom surface of the turbid water tank (13), and a drainage pipe 2 (42) is fixedly connected to the bottom surface of the clear water tank (14), and valve 2 (43) is provided on both the drainage pipe 1 (41) and the drainage pipe 2 (42), and one end of the drainage pipe 1 (41) away from the box body (1) and one end of the drainage pipe 2 (42) away from the box body (1) are respectively connected to the drainage pipe (4).

7. The water circulation filtering device for underwater pelletizing according to claim 1, characterized in that: A material receiving box (26) is provided on one side of the box body (1), and the material receiving box (26) is located below the output end of the annular filter screen (27).

8. The water circulation filtering device for underwater pelletizing according to claim 2, characterized in that: A scraper (25) arranged obliquely is fixed on the side of the box body (1); the scraper (25) is located below the annular filter screen (27); and the top of the scraper (25) is in contact with the bottom surface of the annular filter screen (27).

Citation Information

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