Search

CN-121973349-A - Crystallization drying and integrated energy-saving granulating system and method for recycling PET bottle flakes

CN121973349ACN 121973349 ACN121973349 ACN 121973349ACN-121973349-A

Abstract

The invention relates to the technical field of PET bottle flakes, and discloses a crystallization drying and integrated energy-saving granulating system and method for recovering PET bottle flakes, comprising a conveying system, a discharging system, a cooling system, a drying system and a workbench, an air outlet system is arranged above the drying system, a heating assembly is arranged in an inner cavity of the air outlet system, a control system and a placing shell are arranged above the workbench, and a mounting shell is arranged above the placing shell. According to the invention, the servo motor drives the worm, the fan system is synchronously driven to perform air drying and worm wheel linkage, an additional power source is not needed, the energy consumption is further reduced, the overturning plate drives the cutting assembly to granulate, the cutting assembly horizontally moves after cutting through the guide sliding groove, the guide sliding block, the positioning plate, the telescopic rod and the like, the PET strips are prevented from being blocked and bent, the smooth feeding of the feeding hole and the discharging hole are ensured, the control system is accurately regulated and controlled, the layout of the placement shell and the installation shell is ensured to operate stably, and the granulating efficiency and the product quality are effectively improved.

Inventors

  • YAO FEI
  • XU JIN
  • XU BING
  • CAO JIEQING

Assignees

  • 南京科亚装备科技有限公司

Dates

Publication Date
20260505
Application Date
20260302

Claims (10)

  1. 1. The crystallization drying and integrated energy-saving granulating system for recycling PET bottle flakes is characterized by comprising a conveying system (1), a discharging system (11), a cooling system (12), a drying system (13) and a workbench (2), wherein an air outlet system (16) is arranged above the drying system (13), a heating assembly is arranged in an inner cavity of the air outlet system (16), a control system (21) and a placement shell (22) are arranged above the workbench (2), an installation shell (17) is arranged above the placement shell (22), a control system (12) is further arranged on the workbench (2), and a circular shell (24) is arranged above the installation shell (17); the two sides of the placement shell (22) are respectively provided with a feed inlet (23) and a discharge outlet (25), the inner cavity of the placement shell (22) is also provided with a turnover plate (4), and the bottom of the turnover plate (4) is provided with a cutting assembly (612); The device is characterized in that a driving assembly is arranged in the mounting shell (17) and used for supplying air to the air outlet system (16), the driving assembly is further used for driving the overturning plate (4) to overturn, and the overturning plate (4) can further enable the cutting assembly (612) to horizontally move.
  2. 2. The crystallization drying and integrated energy-saving granulating system for recycling PET bottle flakes according to claim 1, wherein the conveying system (1), the discharging system (11), the cooling system (12) and the drying system (13) are sequentially distributed from left to right, supporting legs (18) are arranged at the bottom, mounting plates (14) are distributed on two sides of the drying system (12), the two mounting plates (14) are mutually symmetrical, a placing plate (14) is arranged above the two mounting plates (14), and an air outlet system (16) is arranged on the placing plate (14).
  3. 3. The crystallization drying and integrated energy-saving granulating system for recycling PET bottle flakes according to claim 1, wherein the driving assembly comprises a servo motor (3), the servo motor (3) is arranged on an installation shell (17), a worm (31) is arranged at the output end of the servo motor (3), the worm (31) movably penetrates through the installation shell (17), a fan system (311) is arranged at the other end of the worm (31), and the fan system (311) penetrates through an air outlet system (16).
  4. 4. The crystallization drying and integrated energy-saving granulating system for recycling PET bottle flakes according to claim 3, wherein a worm wheel (32) is arranged on one side wall of the worm (31) in a meshed mode, a rotating rod (321) is arranged in the middle of the worm wheel (32) in a penetrating mode, two ends of the rotating rod (321) are respectively arranged on two opposite side walls of an inner cavity of the mounting shell (17) in a rotating mode, and a cam (322) is further arranged on the rotating rod (321).
  5. 5. The crystallization drying and integrated energy-saving granulating system for recycling PET bottle flakes according to claim 4, wherein a moving plate (33) is attached to the bottom of the cam (322), a moving rod (331) is arranged at the bottom of the moving plate (33), the moving rod (331) movably penetrates through the circular shell (24), a return spring (332) is sleeved outside the moving rod (331), two ends of the return spring (332) are respectively arranged on one side wall opposite to the moving plate (33) and the circular shell (24), a fixed plate (333) is arranged at the bottom of the moving rod (331), a connecting rod (334) is arranged at the bottom of the fixed plate (333), a connecting rod (335) is arranged at the bottom of the connecting rod (334), and a placing rod (336) is arranged on one side wall of the connecting rod (335).
  6. 6. The crystallization drying and integrated energy-saving granulating system for recycling PET bottle flakes according to claim 1, wherein a rotating rod (41) is arranged on the turnover plate (4) in a penetrating mode, mounting bearings (411) are arranged at two ends of the rotating rod (41), the mounting bearings (411) are arranged on the inner wall of the mounting shell (17), a connecting plate (6) is arranged at the bottom of the turnover plate (4), a plurality of guide rails (61) are arranged at the bottom of the connecting plate (6) in a grading distribution mode, mounting blocks (611) are arranged on each guide rail (61) in a sliding mode, and a cutting assembly (612) is arranged at the bottom of each mounting block (611).
  7. 7. The crystallization drying and integrated energy-saving granulating system for recycling PET bottle flakes according to claim 6, wherein a driving plate (42) is further arranged on the rotating rod (41), a movable sliding groove (421) is arranged above the driving plate (42), a sliding block (422) is arranged on the movable sliding groove (421) in a sliding mode, and the sliding block (422) and the placing rod (336) are hinged.
  8. 8. The crystallization drying and integrated energy-saving granulating system for recycling PET bottle flakes according to claim 6, wherein a guide sliding groove (44) is formed in the rotating rod (41), a guide sliding block is arranged on the guide sliding groove (44) in a sliding mode, a guide sleeve (441) is arranged on the guide sliding block, the rotating rod (41) is sleeved with the guide sleeve (441), a round sliding rail (442) is arranged on the guide sleeve (441), and a positioning plate (5) is arranged on the round sliding rail (442).
  9. 9. The crystallization drying and integrated energy-saving granulating system for recycling PET bottle flakes according to claim 8, wherein two telescopic rods (51) are arranged on one side wall of the positioning plate (5), the other ends of the telescopic rods (51) are arranged on the inner wall of the mounting shell (17), a plurality of circular mounting cylinders (52) are arranged on the other side wall of the positioning plate (5), inserting connection rods (521) are inserted into the inner cavities of the circular mounting cylinders (52), and one end, far away from the circular mounting cylinders (52), of each inserting connection rod (521) is arranged on the mounting block (611).
  10. 10. A crystallization drying and integrated energy-saving granulating method for recycling PET bottle flakes is characterized in that the crystallization drying and integrated energy-saving granulating system for recycling PET bottle flakes is adopted in any one of claims 1-9, the crystallization drying and integrated energy-saving granulating method for recycling PET bottle flakes comprises the following steps: Step one, conveying the prefabricated strip PET bottle flakes through a conveying system (1), conveying the PET bottle flakes into a cooling system (12) through a discharging system (11) for cooling, guiding the PET bottle flakes into a drying system (13) after cooling, and conveying the PET bottle flakes into an inner cavity of a placing shell (22); step two, a dynamic control system (21) controls a servo motor (3) to operate, drives a worm (31) to rotate, drives a fan system (311) to operate, and is matched with a heating component in an air outlet system (16) to blow hot air out to dry the strip PET bottle flakes; Step three, the worm (31) is meshed to drive the worm wheel (32) and the rotating rod (321) to rotate, the cam (322) pushes the moving plate (33) and the moving rod (331) to vertically move, and the placing rod (336) drives the driving plate (42) to drive the rotating rod (41) to rotate, so that the overturning plate (4) can overturn; Step four, when the rotating rod (41) rotates, the mounting block (611) is driven to horizontally move along the guide rail (61) through the guide chute (44), the locating plate (5) and the inserting rod (521), and the overturning plate (4) synchronously drives the cutting assembly (612) to cut the strip PET bottle flakes into particles; and fifthly, discharging the cut PET particles through a discharge port (25) of the placement shell (22) to complete an integrated granulating process.

Description

Crystallization drying and integrated energy-saving granulating system and method for recycling PET bottle flakes Technical Field The invention belongs to the technical field of PET bottle flakes, and particularly relates to a crystallization drying and integrated energy-saving granulating system and method for recovering PET bottle flakes. Background The PET bottle flakes are used as core raw materials for recycling plastics, and the crystallization, drying and granulation are key procedures of regeneration processing, so that the quality, production energy consumption and operation efficiency of regenerated particles are directly determined. The existing traditional processing technology for recycling PET bottle flakes generally has the problems of flow splitting, high energy consumption, poor running stability and the like, and is difficult to meet the industry requirements of efficient energy-saving and high-quality granulation. In the granulation link, current cutting mechanism lacks stable direction and location structure, easily appears interfering the card and is blocked after the cutting, leads to the PET strip to receive the extrusion buckling, the feed inlet is blockked up, and the discharge is not smooth, not only breaks continuous production, still can cause granule particle diameter uneven, the defective percentage rises. The present invention has been made in view of this. Disclosure of Invention In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that: the crystallization drying and integrated energy-saving granulating system for recovering PET bottle flakes comprises a conveying system, a discharging system, a cooling system, a drying system and a workbench, wherein an air outlet system is arranged above the drying system, a heating assembly is arranged in an inner cavity of the air outlet system, a control system and a placing shell are arranged above the workbench, a mounting shell is arranged above the placing shell, a control system is further arranged on the workbench, and a circular shell is arranged above the mounting shell; the two sides of the placing shell are respectively provided with a feed inlet and a discharge outlet, the inner cavity of the placing shell is also provided with a turnover plate, and the bottom of the turnover plate is provided with a cutting assembly; The utility model discloses a cutting device, including installation casing, cutting assembly, drive assembly, the installation casing is provided with the drive assembly in, the drive assembly is used for carrying out the air supply to the air-out system, the drive assembly still is used for driving the upset of upset board, the upset of upset board can also let cutting assembly horizontal migration. As a preferred implementation mode of the invention, the conveying system, the discharging system, the cooling system and the drying system are distributed from left to right in sequence, the bottoms of the conveying system, the discharging system, the cooling system and the drying system are respectively provided with supporting legs, mounting plates are distributed on two sides of the drying system, the two mounting plates are mutually symmetrical, a placing plate is arranged above the two mounting plates, and an air outlet system is arranged on the placing plate. As a preferred embodiment of the present invention, the driving assembly includes a servo motor, the servo motor is disposed on the installation housing, the output end of the servo motor is provided with a worm, the worm movably penetrates through the installation housing, the other end of the worm is provided with a fan system, and the fan system penetrates through the air outlet system. As a preferable implementation mode of the invention, one side wall of the worm is provided with a worm wheel in a meshed manner, a rotating rod is arranged in the middle of the worm wheel in a penetrating manner, two ends of the rotating rod are respectively arranged on two opposite side walls of the inner cavity of the installation shell in a rotating manner, and a cam is further arranged on the rotating rod. As a preferred implementation mode of the invention, the bottom of the cam is provided with a movable plate in a fitting way, the bottom of the movable plate is provided with a movable rod, the movable rod movably penetrates through the circular shell, a reset spring is sleeved outside the movable rod, two ends of the reset spring are respectively arranged on one side wall of the movable plate opposite to the circular shell, the bottom of the movable rod is provided with a fixed plate, the bottom of the fixed plate is provided with a connecting rod, the bottom of the connecting rod is provided with a connecting rod, and one side wall of the connecting rod is provided with a placing rod. As a preferred embodiment of the invention, the turning plate is provided with a rotating rod in a penetrating manner, two