Efficient water circulation device for underwater pellet cutting system

Abstract

This utility model discloses a high-efficiency water circulation device for an underwater pelletizing system, belonging to the field of plastic pelletizing technology. It includes a housing, with a turbid water tank and a clear water tank at the top of the housing. An overflow outlet is provided between the turbid water tank and the clear water tank. An opening is provided on the front of the housing, outside the clear water tank. Two first supports are fixedly connected to the front of the housing. In this utility model, a second roller and a first roller are used to tilt and mount an annular mesh belt. Side baffles are provided on both sides of the annular mesh belt, and multiple baffles are provided on the outer side of the annular mesh belt. When wastewater falling from the overflow outlet onto the annular mesh belt, the annular mesh belt filters the waste particles in the wastewater, and the baffles and side baffles block the wastewater, ensuring that the annular mesh belt can completely filter the wastewater and guaranteeing the filtration effect.

Description

Technical Field

[0001] This utility model relates to the field of plastic pelletizing technology, and more specifically, to a high-efficiency water circulation device for an underwater pelletizing system. Background Technology

[0002] Underwater pelletizing is a plastic processing technology that cuts molten plastic raw materials into pellets using blades and then rapidly cools and solidifies them in water. This process, employing a "hot-cut then water-cooled" method, is suitable for temperature-sensitive polymer materials and can significantly improve pellet quality and production efficiency. The underwater pelletizing system mainly consists of the following components: die head, pelletizer head, water circulation system, dehydration and drying system, and control system.

[0003] A search revealed that utility model patent CN222788647U discloses a water circulation filtration device for underwater pelletizing. The device includes a housing with a partition fixed inside, dividing the housing into a turbid water tank and a clear water tank. A water inlet pipe is fixed to the side of the housing and connected to the turbid water tank. A fixing block is fixed to one inner side of the clear water tank. A rotating roller is rotatably mounted between the fixing block and the side opposite the partition. An opening is provided on the side of the housing, connecting to the clear water tank. Two mounting blocks are fixed to the side of the housing, located on opposite sides of the opening. A rotating roller is rotatably mounted between the two mounting blocks. A ring-shaped filter screen is fitted onto both rotating rollers. A motor is mounted on the side of the housing, with its output shaft fixedly connected to one end of the rotating roller. This patent improves the filtration effect on the water in the turbid water tank.

[0004] However, the above-mentioned patent still has the following shortcomings: the annular filter screen is set horizontally, and turbid water can easily be discharged from the opening. At the same time, turbid water will also fall from the side of the filter screen, affecting the filtration quality. In addition, the water in the underwater pelletizing system has a certain temperature, which makes it inconvenient to cool the water. Therefore, we propose a high-efficiency water circulation device for the underwater pelletizing system. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of this utility model is to provide a high-efficiency water circulation device for an underwater pelletizing system.

[0006] To solve the above problems, this utility model adopts the following technical solution: a high-efficiency water circulation device for an underwater pelletizing system, comprising a housing, a turbid water tank at the top of the housing, a clear water tank at the top of the housing, an overflow outlet between the turbid water tank and the clear water tank, an opening on the front of the housing outside the clear water tank, two first supports fixedly connected to the front of the housing, a first roller rotatably connected between the two first supports, and a second support fixedly connected to the inner wall of the clear water tank, the second support rotating between the second support and the inner wall of the clear water tank. A second rotating roller is dynamically connected, and an annular mesh belt is driven between the second rotating roller and the first rotating roller. The annular mesh belt passes through the inner cavity of the opening. Side baffles are fixedly connected to both sides of the annular mesh belt. Multiple baffles are fixedly connected to the outer side of the annular mesh belt. A first geared motor is fixedly installed on the outer side of one of the first supports. The output shaft of the first geared motor is connected to one end of the rotating shaft of the first rotating roller through a coupling. Cleaning mechanisms are provided on the two first supports. Multiple blowers are fixedly installed at the end of the box and on the side of the clear water pool.

[0007] As a preferred embodiment of the present invention, the cleaning mechanism includes a support block fixedly connected to two first supports, a brush roller rotatably connected between the two support blocks via a bearing, and a second reduction motor fixedly installed on the outer side of one of the support blocks, the output shaft of the second reduction motor being connected to the end of the brush roller via a coupling.

[0008] As a preferred embodiment of this utility model, a first water pump is fixedly installed on the back of the box, the input end of the first water pump is fixedly connected to a water inlet pipe, the output end of the first water pump extends to the inner cavity of the turbid water tank, a second water pump is fixedly installed on the side of the box, the input end of the second water pump extends to the bottom of the inner cavity of the clear water tank, and the output end of the second water pump is fixedly connected to a return water pipe.

[0009] As a preferred embodiment of this utility model, a support base is fixedly connected to the front of the box, and a waste collection box is placed on the support base.

[0010] As a preferred embodiment of this utility model, the inside of the box is provided with a power supply slot, the inner cavity of the power supply slot is provided with a storage battery, and a box door is hinged to the front of the box and located outside the power supply slot.

[0011] As a preferred embodiment of this utility model, a control panel is fixedly installed on the front of the box, and a switch valve is fixedly installed on the back of the box. One end of the switch valve extends into the inner cavity of the clear water tank, and the other end of the switch valve is fixedly connected to a water inlet pipe. An overflow pipe is fixedly connected to the side of the water inlet pipe, and the end of the overflow pipe is fixedly sleeved into the inner cavity of the clear water tank.

[0012] As a preferred embodiment of this utility model, a first cover plate is hinged to the top of the box body above the turbid water pool, and a second cover plate is hinged to the top of the box body above the clear water pool. A vent is provided on the top surface of the second cover plate, and a filter screen is fixedly sleeved inside the vent.

[0013] Compared with the prior art, the advantages of this utility model are: (1) In this utility model, the annular mesh belt is tilted and fitted by the second rotating roller and the first rotating roller, side baffles are set on both sides of the annular mesh belt, and multiple baffles are set on the outside of the annular mesh belt. When the sewage falling from the overflow port falls onto the annular mesh belt, the annular mesh belt is used to filter the waste in the sewage, and the baffles and side baffles are used to block the sewage, so as to ensure that the annular mesh belt can completely filter the sewage and ensure the effect of filtering the sewage.

[0014] (2) In this utility model, when sewage falls through the mesh of the annular mesh belt, a blower is used to blow air into the sewage falling into the inner cavity of the clear water tank, and the air force is used to cool the water, so as to ensure the effect of subsequently pumping the water in the inner cavity of the clear water tank into the underwater pelletizing water tank to cool the plastic raw materials. Attached Figure Description

[0015] Figure 1 is a schematic diagram of the overall structure of the front of this utility model.

[0016] Figure 2 is a schematic diagram of the overall structure of the back of this utility model.

[0017] Figure 3 is a schematic cross-sectional view of the present invention.

[0018] Figure 4 is a structural schematic diagram of the box body of this utility model.

[0019] Figure 5 is a schematic diagram of the structure of the annular mesh belt of this utility model.

[0020] The following are the labels in the diagram: 1. Box body; 2. Turbid water tank; 3. Clear water tank; 4. Overflow outlet; 5. Through-hole; 6. First support; 7. Second rotating roller; 8. First rotating roller; 9. Second support; 10. Annular mesh belt; 11. Side baffle belt; 12. Baffle plate; 13. First geared motor; 14. Blowing fan; 15. Cleaning mechanism; 16. Support block; 17. Second geared motor; 18. Brush roller; 19. Support base; 20. Waste collection box; 21. Second cover plate; 22. First cover plate; 23. Vent; 24. Filter screen; 25. First water pump; 26. Inlet pipe; 27. Second water pump; 28. Return pipe; 29. ​​Switch valve; 30. Water filling pipe; 31. Overflow pipe; 32. Power supply slot; 33. Battery; 34. Box door; 35. Control panel. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0022] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Example 1

[0024] As shown in Figures 1 to 5, a high-efficiency water circulation device for an underwater pelletizing system includes a housing 1. A turbid water tank 2 and a clear water tank 3 are located at the top of the housing 1. An overflow outlet 4 is provided between the turbid water tank 2 and the clear water tank 3. An opening 5 is provided on the front of the housing 1, outside the clear water tank 3. Two first supports 6 are fixedly connected to the front of the housing 1, and a first roller 8 is rotatably connected between the two first supports 6. A second support 9 is fixedly connected to the inner wall of the clear water tank 3, and a second roller 7 is rotatably connected between the second support 9 and the inner wall of the clear water tank 3. An annular mesh belt 10 is driven between the second roller 7 and the first roller 8. The annular mesh belt 10 passes through the inner cavity of the opening 5. Side baffles 11 are fixedly connected to both sides of the annular mesh belt 10. Multiple baffles 12 are fixedly connected to the outer surface of the annular mesh belt 10. One first support 6... A first reduction motor 13 is fixedly installed on the outside of the box 1. The output shaft of the first reduction motor 13 is connected to one end of the shaft of the first rotating roller 8 through a coupling. A cleaning mechanism 15 is provided on the two first supports 6. Multiple blowers 14 are fixedly installed at the end of the box 1 and on the side of the clear water pool 3. A first cover plate 22 is hinged to the top of the box 1 and above the turbid water pool 2. A second cover plate 21 is hinged to the top of the box 1 and above the clear water pool 3. A vent 23 is provided on the top surface of the second cover plate 21. A filter screen 24 is fixedly sleeved in the inner cavity of the vent 23. The gas in the inner cavity of the clear water pool 3 is discharged through the vent 23, and the filter screen 24 prevents foreign objects from entering the inner cavity of the clear water pool 3. Example 2

[0025] Based on Embodiment 1, as shown in Figures 1 to 4, the cleaning mechanism 15 includes support blocks 16 fixedly connected to two first supports 6. A brush roller 18 is rotatably connected between the two support blocks 16 via bearings. The end of the brush roller 18 can contact the outer surface of the annular mesh belt 10, thereby cleaning the outer side of the annular mesh belt 10. A second reduction motor 17 is fixedly installed on the outer side of one support block 16. The output shaft of the second reduction motor 17 is connected to the end of the brush roller 18 via a coupling. A support base 19 is fixedly connected to the front of the housing 1. A waste collection box 20 is placed on the support base 19. The support base 19 is used to place and support the waste collection box 20. The waste collection box 20 is used to collect the waste scraps swept off the annular mesh belt 10. The waste collection box 20 is located directly below the brush roller 18. Example 3

[0026] Based on Embodiments 1 and 2, as shown in Figures 1 to 4, a first water pump 25 is fixedly installed on the back of the housing 1. The input end of the first water pump 25 is fixedly connected to a water inlet pipe 26, the end of which is connected to the water tank of the underwater pelletizer. This allows water from the underwater pelletizer's water tank to be pumped into the inner cavity of the turbid water tank 2 via the first water pump 25 and the water inlet pipe 26. The output end of the first water pump 25 extends into the inner cavity of the turbid water tank 2. A second water pump 27 is fixedly installed on the side of the housing 1. The input end of the second water pump 27 extends to the bottom of the inner cavity of the clear water tank 3. The output end of the second water pump 27 is fixedly connected to a return water pipe 28, the end of which is also connected to the water tank of the underwater pelletizer. This allows water from the inner cavity of the clear water tank 3 to be pumped into the underwater pelletizer's water tank via the second water pump 27 and the return water pipe 28 to cool the plastic raw materials. The enclosure 1 has an internal power supply slot 32, and a battery 33 is installed inside the power supply slot 32. The battery 33 supplies power to the control panel 35, the blower 14, the second water pump 27, the first water pump 25, the first geared motor 13, and the second geared motor 17. A door 34 is hinged to the front of the enclosure 1, outside the power supply slot 32. The control panel 35 is fixedly installed on the front of the enclosure 1. The control panel 35 is electrically connected to the blower 14, the second water pump 27, the first water pump 25, the first geared motor 13, and the second geared motor 17, respectively, and controls these components. A switch valve 29 is fixedly installed on the back of the enclosure 1. One end of the switch valve 29 extends into the inner cavity of the clear water tank 3, and the other end of the switch valve 29 is fixedly connected to a water inlet pipe 30. An overflow pipe 31 is fixedly connected to the side of the water inlet pipe 30. The end of the pipe is fixedly sleeved to the inner cavity of the clear water tank 3. The overflow pipe 31 is used to drain excess water from the inner cavity of the clear water tank 3. The height of the overflow pipe 31 is lower than the height of the blower 14 to avoid water affecting the blower 14.

[0027] It should be noted that this utility model is a high-efficiency water circulation device for an underwater pelletizing system. In use, firstly, the first water pump 25 is started, causing the inlet pipe 26 to pump the wastewater from the underwater pelletizer's pool into the inner cavity of the turbid water pool 2. Then, the second water pump 27 is started, pumping the clean water from the inner cavity of the clear water pool 3 back into the underwater pelletizer's pool through the return pipe 28. Next, the first reduction motor 13 is started, driving the first rotating roller 8 to rotate. The first rotating roller 8 drives the annular mesh belt 10 and the second rotating roller 7 to rotate. Simultaneously, the second reduction motor 17 is started, driving the brush roller 18 to rotate. The brush roller 18 cleans the top of the annular mesh belt 10. Then, when the wastewater in the inner cavity of the turbid water pool 2 overflows the overflow port 4, the wastewater enters the inner cavity of the clear water pool 3 from the overflow port 4 and falls onto the annular mesh belt 10. The annular mesh belt 10 filters out debris in the water, and water passes through the annular mesh belt 10. The water falls downward through the mesh of the ring mesh belt 10, and at the same time, the blower 14 is activated to blow the water falling through the ring mesh belt 10. The wind power is used to cool the water and to allow excess air in the inner cavity of the clear water tank 3 to be discharged through the vent 23. Finally, the waste debris filtered down from the ring mesh belt 10 moves upward and is swept down by the brush roller 18 and collected in the inner cavity of the sludge collection box 20.

[0028] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model based on the technical solution and its improved concept should be covered within the protection scope of the present utility model.

Claims

1. A high-efficiency water circulation device for an underwater pelletizing system, comprising a housing (1), characterized in that: The top of the box (1) is provided with a turbid water pool (2) and a clear water pool (3). An overflow port (4) is provided between the turbid water pool (2) and the clear water pool (3). An opening (5) is provided on the front of the box (1) and outside the clear water pool (3). Two first supports (6) are fixedly connected to the front of the box (1). A first roller (8) is rotatably connected between the two first supports (6). A second support (9) is fixedly connected to the inner wall of the clear water pool (3). A second roller (7) is rotatably connected between the second support (9) and the inner wall of the clear water pool (3). The second roller (7) and the first roller (8) are connected together. A perforated belt (10) is connected between the transmissions. The perforated belt (10) passes through the inner cavity of the opening (5). Side baffles (11) are fixedly connected to both sides of the perforated belt (10). Multiple baffles (12) are fixedly connected to the outer side of the perforated belt (10). A first geared motor (13) is fixedly installed on the outer side of one of the first supports (6). The output shaft of the first geared motor (13) is connected to one end of the shaft of the first roller (8) through a coupling. A cleaning mechanism (15) is provided on the two first supports (6). Multiple blowers (14) are fixedly installed at the end of the box (1) and on the side of the clear water pool (3).

2. The high-efficiency water circulation device for an underwater pelletizing system according to claim 1, characterized in that: The cleaning mechanism (15) includes a support block (16) fixedly connected to two first supports (6), and a brush roller (18) is rotatably connected between the two support blocks (16) via a bearing. A second reduction motor (17) is fixedly installed on the outside of one of the support blocks (16), and the output shaft of the second reduction motor (17) is connected to the end of the brush roller (18) via a coupling.

3. The high-efficiency water circulation device for an underwater pelletizing system according to claim 1, characterized in that: A first water pump (25) is fixedly installed on the back of the housing (1). The input end of the first water pump (25) is fixedly connected to an inlet pipe (26). The output end of the first water pump (25) extends to the inner cavity of the turbid water tank (2). A second water pump (27) is fixedly installed on the side of the housing (1). The input end of the second water pump (27) extends to the bottom of the inner cavity of the clear water tank (3). The output end of the second water pump (27) is fixedly connected to a return water pipe (28).

4. The high-efficiency water circulation device for an underwater pelletizing system according to claim 1, characterized in that: A support base (19) is fixedly connected to the front of the box (1), and a waste collection box (20) is placed on the support base (19).

5. The high-efficiency water circulation device for an underwater pelletizing system according to claim 1, characterized in that: The box (1) is provided with a power supply slot (32) inside, and a storage battery (33) is provided in the inner cavity of the power supply slot (32). A box door (34) is hinged to the front of the box (1) and outside the power supply slot (32).

6. The high-efficiency water circulation device for an underwater pelletizing system according to claim 2, characterized in that: A control panel (35) is fixedly installed on the front of the box (1), and a switch valve (29) is fixedly installed on the back of the box (1). One end of the switch valve (29) extends into the inner cavity of the clear water tank (3), and the other end of the switch valve (29) is fixedly connected to a water supply pipe (30). An overflow pipe (31) is fixedly connected to the side of the water supply pipe (30), and the end of the overflow pipe (31) is fixedly sleeved into the inner cavity of the clear water tank (3).

7. The high-efficiency water circulation device for an underwater pelletizing system according to claim 1, characterized in that: A first cover plate (22) is hinged to the top of the box (1) and above the turbid water pool (2). A second cover plate (21) is hinged to the top of the box (1) and above the clear water pool (3). A vent (23) is provided on the top surface of the second cover plate (21). A filter screen (24) is fixedly sleeved in the inner cavity of the vent (23).

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