CN210450255U

CN210450255U - PET board recycling and reprocessing system

Info

Publication number: CN210450255U
Application number: CN201920390962.0U
Authority: CN
Inventors: 左洪运; 王双闪
Original assignee: Jiangsu Burgeree New Technology Materials Co ltd
Current assignee: Jiangsu Baijiali New Material Technology Co ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-05-05
Anticipated expiration: 2029-03-26

Abstract

The utility model discloses a PET board is retrieved and is reprocessed system, its characterized in that: the method comprises the following steps: the crushing mechanism is used for crushing the recovered and pretreated PET plate into blocks, strips or powdery materials; the mixing mechanism is connected with the crushing mechanism through a pipeline, receives the materials transmitted by the crushing mechanism and performs opening treatment on the materials; the net laying mechanism is connected with the mixing mechanism through a conveying belt and is used for laying the loosened and mixed materials into a pre-formed plate; the shaping mechanism is used for pressing the pre-shaping plate to form a high-density polyester fiber plate; and the cutting mechanism is used for receiving the high-density polyester fiber board and cutting the high-density polyester fiber board into a target shape. The system has high automation degree, can effectively improve the production efficiency, can recycle the PET plate by utilizing the system, saves resources and protects the environment.

Description

PET board recycling and reprocessing system

Technical Field

The utility model relates to a PET board is retrieved and is reprocessed system.

Background

PET is a thermoplastic polymer material with excellent performance, and is one of the most widely used polyesters due to its excellent physicochemical properties. Along with the continuous promotion of the urbanization process of China, the proportion of urban population is continuously increased, the demand of PET polyester is also increased, and more waste PET polyester discharged into the nature is generated; on the other hand, with the rapid development of the polyester industry, there is an accompanying dramatic increase in polyester waste, and statistically, about 3% to 5% of polyester waste will be wasted during polyester production and processing. Although the waste PET does not cause direct pollution to the environment, the waste PET is difficult to degrade by air or microorganisms due to extremely strong chemical inertness, and can cause great influence on the environment. Meanwhile, natural resources such as petroleum, which are raw materials for synthesizing PET polyester, are increasingly in short supply and the demand is continuously increased, and experts predict that the current oil well exploitation amount is only enough to maintain exploitation for decades if a new oil field cannot be detected.

Therefore, the development of the PET polyester industry is deeply influenced by two problems of environmental pollution and resource shortage. Realizing the virtuous cycle of resources of PET polyester production, processing and recycling has become an increasingly important problem in the development of PET polyester industry.

Disclosure of Invention

The utility model aims at providing a PET board is retrieved and is reprocessed system, this system degree of automation is high, can effectively improve production efficiency, and utilizes this system can retrieve the PET board and recycle resources are saved, environmental protection.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a PET board recycling and reprocessing system comprising:

the crushing mechanism is used for crushing the recovered and pretreated PET plate into blocks, strips or powdery materials;

the mixing mechanism is connected with the crushing mechanism through a pipeline, receives the materials transmitted by the crushing mechanism and performs opening treatment on the materials;

the net laying mechanism is connected with the mixing mechanism through a conveying belt and is used for laying the loosened and mixed materials into a pre-formed plate;

the shaping mechanism is used for pressing the pre-shaping plate to form a high-density polyester fiber plate;

and the cutting mechanism is used for receiving the high-density polyester fiber board and cutting the high-density polyester fiber board into a target shape.

Preferably, the crushing mechanism comprises a plurality of groups of crusher sets, and each group of crusher sets comprises a first crusher and a second crusher which are connected through a conveyor belt.

Preferably, a crushing cutter is arranged in the crushing mechanism, and the crushing cutter comprises a first cylindrical rotary cutter and a second cylindrical rotary cutter which are respectively arranged on the first polygonal shaft and the second polygonal shaft to form opposite movement and mutual meshing;

a plurality of cutting blade groups are arranged on the first polygonal shaft, PET fragment guide rails are arranged between adjacent cutting blade groups, so that a crushing space is formed between the adjacent cutting blade groups, the cutting blade groups on the second polygonal shaft and the cutting blade groups on the first polygonal shaft are arranged in a staggered manner, and the cutting blade groups are screwed into the crushing space to cut the recovered and pretreated PET plate when rotating in opposite directions;

the cutting blade set comprises a pair of cutting blades which are arranged side by side, the cutting blades are in a circular ring shape, the middle part of the first polygonal shaft is provided with a polygonal sleeve hole which is matched with the first polygonal shaft and the second polygonal shaft and is sleeved on the polygonal shaft, a plurality of cutting edges are arranged on the outer surface of the cutting blade circular ring at equal intervals, the cutting blades are arranged on the first polygonal shaft along the axial direction in a clockwise mode, the cutting blades are arranged on the first polygonal shaft at equal intervals in a counterclockwise mode, the installation direction is repeated, so that the cutting edges are arranged in a wave mode along the polygonal shaft, the cutting blade is arranged on the second polygonal shaft along the axial direction in the opposite direction to the mounting direction of the cutting blade on the first polygonal shaft, and peaks formed by the cutting edges on the first and second polygonal shafts are opposite to each other to guide the recycled pretreated PET plate to move to the intersection of the cutting edges;

the cutting blade is characterized in that an oblique cutting angle is arranged at the top end of the cutting blade, and the oblique cutting angles are arranged oppositely on the cutting blades which are arranged side by side.

Preferably, a clamping device and a crushing device are arranged in the first crusher, the clamping device is arranged at a feed inlet of the first crusher and comprises a group of gears which are connected through a belt and meshed with each other, and the crushing device is arranged at the downstream of the clamping device and receives the recovered and pretreated PET plate conveyed by the clamping device.

Preferably, a crushing cutter is arranged in the crushing mechanism, a plurality of gears are arranged on the outer edge surface of the crushing cutter, and gaps among the gears are matched with blocks, strips or powdery materials formed by targets.

Preferably, be provided with weighing device in the second rubbing crusher, its one side is open structure, receives the material that takes the tooth conveyer belt conveying, the weighing device bottom is equipped with the baffler, the baffler regularly opens and shuts the input material to below conveyer belt.

Preferably, mixing mechanism includes the machine that mixes of plural platform series connection, be equipped with metal filter equipment, disinfecting equipment in mixing the machine, metal filter equipment set up in mix machine feed inlet top, with it is parallel to take the tooth conveyer belt, to take the tooth conveyer belt traffic direction to extend, disinfecting equipment including set up in mixing the plural ultraviolet radiation lamp of machine inner wall and/or set up in mix the shower nozzle of machine discharge gate.

Preferably, the lapping mechanism is internally provided with a roller trolley which is abutted against the conveyor belt and presses the material to move, and a movable weight fixing device which is arranged below the roller trolley and receives the material, wherein the two sides of the roller trolley are provided with pre-positioning strips, the pre-positioning strips extend downwards and have the freedom degree of moving up and down.

Preferably, the shaping mechanism is provided with a hot pressing system and a cold pressing system in sequence from the feeding hole to the discharging hole, and the hot pressing system and the cold pressing system are provided with an adjustable height fixing device in a penetrating mode.

Preferably, the cutting mechanism comprises a conveying table and a movable cutting knife arranged above the conveying table.

A PET plate recycling and reprocessing method comprises the following steps: the method comprises the following steps:

(1) pretreating the recovered PET plate to remove dust, iron nails and other impurities on the surface of the PET plate;

(2) feeding the pretreated PET plates into a plurality of groups of pulverizer units for pulverization, setting the moving speed of conveyor belts in the pulverizers and setting the opening and closing time interval of the separation plates of weighing devices in each group of pulverizers, and realizing the proportioning of materials in different forms;

(3) the mixer receives the materials, and mixes, removes impurities and sterilizes the materials for many times;

(4) receiving the material by a lapping mechanism, and lapping into a preset plate;

(5) the shaping mechanism presses the pre-shaping plate to form different finished products;

(6) the cutting mechanism receives the finished product and cuts it to form the target shape.

A product after the PET board is recycled and reprocessed is a high-density polyester fiber board prepared by the PET board recycling and reprocessing method.

Preferably, the upper surface and the lower surface of the high-density polyester fiber board are provided with teflon mesh fabric textures.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

1. the utility model discloses including rubbing crusher constructs, mixing mechanism, lapping mechanism, forming mechanism and cutting mechanism, it links to each other through pipeline or conveyer belt, accomplishes from retrieving panel to off-the-shelf processing, and degree of automation is high, the effectual production efficiency that has improved, has practiced thrift manpower resources, has reduced manufacturing cost, simultaneously, utilizes this system, can make different finished products with old and useless PET board reprocess, like heated board, abatvoix etc. reduce customer's fitment cost, resources are saved protects the environment.

2. The cutting edges are arranged in a wave shape along the polygonal shaft, which can prevent the PET material from being cut unevenly and improve the optimal crushing efficiency, and more importantly, the traditional cutting blades are in indirect cutting, the cutting edges of the parallel blades are in a straight line, so that the discontinuous cutting is carried out in the rotary cutting process, the load of a motor is uneven, in the system, the cutting blades are axially arranged on the first polygonal shaft in a clockwise manner, the cutting blades are arranged in a counterclockwise manner at equal intervals, the installation direction is repeated, so that the cutting edges are arranged in a wave shape along the polygonal shaft, the cutting blades are axially arranged on the second polygonal shaft in a direction opposite to the installation direction of the cutting blades on the first polygonal shaft, and the cutting blades on the two polygonal shafts form a spiral-like cutting mode, which is favorable for forming continuous cutting, load to the motor is stable like this, simultaneously, also is favorable to improving cutting efficiency, and equipment is difficult to damage, and the recovery PET board of cutting is kibbling more fine and smooth, even, high-efficient, and progress one, the wave sets up and is favorable to guiding to retrieve behind the preliminary treatment PET board and remove to the crossing department of cutting edge, prevents that the material from concentrating to same direction.

3. The crushing mechanism comprises a plurality of groups of crushing units, crushing cutters of different models can be additionally arranged in each group of crushing units, gaps among gears on the outer edge surfaces of the crushing cutters of different models are different, different forms of materials of blocks, strips or powder can be formed by processing each group of crushing units, and the mixing proportion of the materials of different forms is met.

4. Be provided with weighing device in the second rubbing crusher, the weighing device bottom is equipped with the baffler, the baffler is regularly opened and shut the conveying material, realizes that different form materials shared proportion is different in the total material after mixing, satisfies different off-the-shelf processing demands.

5. The mixing mechanism comprises a plurality of mixing machines connected in series, and metal filtering equipment and sterilizing equipment are arranged in the mixing machines, so that the materials are subjected to multiple filtering and sterilizing from rough opening to fine opening, and the quality of finished products is ensured.

6. Disinfecting equipment sets up in mixing the shower nozzle of machine discharge gate including setting up in the plural number ultraviolet irradiation lamp of mixing the machine inner wall and/or setting up in mixing the machine inner wall, and the ultraviolet irradiation lamp sets up in mixing the machine inner wall, can carry out germicidal treatment at the whole in-process of conveying to the material, and is simple and convenient, and is efficient, sets up and can install the antiseptic solution additional in mixing the shower nozzle of machine discharge gate, prevents static liquid, avoids rubbing between the material to produce static.

7. The gyro wheel dolly offsets with the conveyer belt to suppress the material, and be equipped with the prepositioning strip in gyro wheel dolly both sides, restrict the material in between two prepositioning strips, guarantee that the material drops to the specific position of movable basis weight device, pave into the preset template, simultaneously, can prevent in the material fibre in disorder to fly, pollute operational environment, the prepositioning strip has the degree of freedom that reciprocates, satisfies different finished product plate thickness requirements.

8. The forming mechanism comprises a hot pressing system and a cold pressing system, different products are formed by processing through adjusting the temperature in the hot pressing system, the surface of the pre-forming plate can be melted by the hot pressing system, and the texture of the Teflon mesh cloth is printed, so that different requirements of customers on the thickness and hardness of the product are met.

Drawings

FIG. 1 is a schematic view of a PET board recycling and reprocessing system according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a PET board recycling and reprocessing system according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a pulverizer set according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a mixing mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a lapping mechanism according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a positioning mechanism according to an embodiment of the present invention;

fig. 7 is a schematic view of a crushing cutter according to an embodiment of the present invention.

Wherein: 1. a crushing mechanism; 2. a mixing mechanism; 3. a lapping mechanism; 4. a shaping mechanism; 5. a cutting mechanism; 6. a conveyor belt; 7. a first pulverizer; 8. a second pulverizer; 9. a clamping device; 10. a crushing device; 11. a weighing device; 12. a toothed conveyor belt; 13. a barrier plate; 14. a mixer; 15. a metal filtration device; 16. an ultraviolet irradiation lamp; 17. a spray head; 18. a trolley with rollers; 19. a movable weight fixing device; 20. pre-positioning the strip; 21. a hot pressing system; 22. a cold pressing system; 23. an adjustable height fixing device; 24. a first cylindrical rotary cutter; 25. a second cylindrical rotary cutter; 26. a first polygonal shaft; 27. a second polygonal shaft; 28. a set of cutting inserts; 29. a crushing space; 30. a cutting insert; 31. a cutting edge; 32. and (5) obliquely cutting corners.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

the first embodiment is as follows: referring to fig. 1 to 7, a PET board recycling and reprocessing system includes:

the crushing mechanism 1 is used for crushing the recovered and pretreated PET plate into blocks, strips or powdery materials;

the mixing mechanism 2 is connected with the crushing mechanism 1 through a pipeline, receives the materials transmitted by the crushing mechanism 1 and performs opening treatment on the materials;

the lapping mechanism 3 is connected with the mixing mechanism 2 through a conveyor belt 6 and is used for lapping the loosened and mixed materials into a pre-formed plate;

the shaping mechanism 4 is used for pressing the pre-shaping plate to form a high-density polyester fiber plate;

and the cutting mechanism 5 is used for receiving the high-density polyester fiber board and cutting the high-density polyester fiber board into a target shape.

The system has high automation degree, effectively improves the production efficiency, saves the human resources, reduces the production cost, can recycle the PET plate, saves the resources and protects the environment.

Referring to fig. 1 to 3, the crushing mechanism 1 includes a plurality of groups of crusher sets, and each group of crusher sets includes a first crusher 7 and a second crusher 8 connected by a conveyor belt 6.

Referring to fig. 7, a crushing cutter is arranged in the crushing mechanism 1, and the crushing cutter comprises a first cylindrical rotary cutter 24 and a second cylindrical rotary cutter 25 which are respectively arranged on a first polygonal shaft 26 and a second polygonal shaft 27 to move in opposite directions and are meshed with each other;

a plurality of cutting blade sets 28 are arranged on the first polygonal shaft 26, PET fragment guide rails are arranged between the adjacent cutting blade sets 28, so that a crushing space 29 is formed between the adjacent cutting blade sets 28, the cutting blade sets 28 on the second polygonal shaft 27 and the cutting blade sets 28 on the first polygonal shaft 26 are arranged in a staggered manner, and the cutting blade sets 28 are screwed into the crushing space 29 to cut the recovered pretreated PET plate when rotating oppositely;

the cutting blade set 28 includes a pair of cutting blades 30 arranged side by side, the cutting blades 30 are circular, polygonal trepanning holes matched with the first polygonal shaft 26 and the second polygonal shaft 27 are arranged in the middle of the cutting blades 30, the cutting blades 30 are sleeved on the polygonal shafts, a plurality of cutting edges 31 are arranged on the outer surface of the circular ring of the cutting blades 30 at equal intervals, the cutting blades 30 are axially arranged on the first polygonal shaft 26 in a clockwise manner, the cutting blades 30 are arranged on the first polygonal shaft 26 in a counterclockwise manner at equal intervals, the installation direction is repeated to enable the cutting edges 31 to be arranged in a wave shape along the polygonal shaft, the cutting blades 30 are axially arranged on the second polygonal shaft 27 in a direction opposite to the installation direction on the first polygonal shaft 26, and wave crests formed by the cutting edges 31 on the first polygonal shaft 26 and the second polygonal shaft 27 are opposite to each other, guiding the PET plate after the recovery pretreatment to move to the intersection of the cutting edges 31;

the cutting edge 31 has an oblique cutting corner 32 at the top end thereof, and the oblique cutting corners 32 are disposed opposite to each other on the cutting blades 30 disposed side by side.

Referring to fig. 3, a clamping device 9 and a crushing device 10 are arranged in the first crusher 7, the clamping device 9 is arranged at a feed inlet of the first crusher 7 and comprises a group of gears which are connected by a belt and meshed with each other, and the crushing device 10 is arranged at the downstream of the clamping device 9 and receives the recovered pretreated PET plates transmitted by the clamping device 9.

Referring to fig. 3, a crushing cutter is arranged in the crushing mechanism 1, a plurality of gears are arranged on the outer edge surface of the crushing cutter, and gaps among the gears are matched with blocks, strips or powdery materials formed by targets.

Referring to fig. 3, a weighing device 11 is arranged in the second pulverizer 8, one side of the weighing device is of an open structure and receives materials transmitted by a toothed conveyor belt 12, a blocking plate 13 is arranged at the bottom of the weighing device 11, and the blocking plate 13 is opened and closed at regular time to throw the materials to a lower conveyor belt 6.

Referring to fig. 4, the mixing mechanism 2 includes a plurality of mixers 14 connected in series, a metal filtering device 15 and a disinfecting device are disposed in the mixer 14, the metal filtering device 15 is disposed above the feed inlet of the mixer 14, is parallel to the toothed belt 12, and extends in the running direction of the toothed belt 12, and the disinfecting device includes a plurality of ultraviolet radiation lamps 16 disposed on the inner wall of the mixer 14 and/or a nozzle 17 disposed at the discharge outlet of the mixer 14.

Referring to fig. 5, the lapping mechanism 3 includes a roller trolley 18 which abuts against the conveyor belt 6 and presses the material to move, and a movable weight fixing device 19 which is arranged below the roller trolley 18 and receives the material, two sides of the roller trolley 18 are provided with pre-positioning strips 20, and the pre-positioning strips 20 extend downwards and have freedom of moving up and down.

Referring to fig. 6, the shaping mechanism 4 is provided with a hot pressing system 21 and a cold pressing system 22 in sequence from a feeding hole to a discharging hole, and an adjustable height setting device 23 is arranged through the hot pressing system 21 and the cold pressing system 22.

Referring to fig. 2, the cutting mechanism 5 includes a conveying table and a movable cutting knife disposed above the conveying table.

(2) feeding the pretreated PET plates into a plurality of groups of pulverizer units for pulverization, setting the moving speed of a conveyor belt 6 in each pulverizer, and setting the opening and closing time interval of a barrier plate 13 of a weighing device 11 in each group of pulverizers, thereby realizing the proportioning of materials in different forms;

(3) the mixer 14 receives the materials, and mixes, removes impurities and sterilizes the materials for many times;

(4) the lapping mechanism 3 receives the material and paves the material into a preset plate;

(5) the shaping mechanism 4 presses the pre-shaping plate to form different finished products;

(6) the cutting mechanism 5 receives the finished product and cuts it to the target shape.

A PET plate recycling and reprocessing product is prepared into a high-density polyester fiber plate through the PET plate recycling and reprocessing method, and Teflon mesh fabric grains are arranged on the upper surface and the lower surface of the high-density polyester fiber plate.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a PET board recovery reprocessing system which characterized in that: the method comprises the following steps:

2. The PET sheet recycling reprocessing system according to claim 1, wherein: the crushing mechanism comprises a plurality of groups of crushing units, and each group of crushing units comprises a first crusher and a second crusher which are connected through a conveying belt.

3. The PET sheet recycling reprocessing system according to claim 1, wherein: a crushing cutter is arranged in the crushing mechanism, and comprises a first cylindrical rotary cutter and a second cylindrical rotary cutter which are respectively arranged on a first polygonal shaft and a second polygonal shaft to form opposite movement and mutually engage;

the cutting blade set comprises a pair of cutting blades which are arranged side by side, the cutting blades are in a circular ring shape, the middle part of the first polygonal shaft is provided with a polygonal sleeve hole which is matched with the first polygonal shaft and the second polygonal shaft and is sleeved on the polygonal shaft, a plurality of cutting edges are arranged on the outer surface of the cutting blade circular ring at equal intervals, the cutting blades are arranged on the first polygonal shaft along the axial direction in a clockwise mode, the cutting blades are arranged on the first polygonal shaft at equal intervals in a counterclockwise mode, the installation direction is repeated, so that the cutting edges are arranged in a wave mode along the polygonal shaft, the cutting blade is arranged on the second polygonal shaft along the axial direction in the direction opposite to the mounting direction of the cutting blade on the first polygonal shaft, peaks formed by the cutting edges on the first and second polygonal shafts are opposite to each other, and the recovered and pretreated PET plate is guided to move to the intersection of the cutting edges;

4. The PET sheet recycling reprocessing system according to claim 2, wherein: be provided with clamping device and reducing mechanism in the first rubbing crusher, clamping device set up in the feed inlet of first rubbing crusher, it includes a set of gear of the mutual interlock that links to each other by the belt, reducing mechanism set up in clamping device low reaches receive the recovery pretreatment back PET board of clamping device conveying.

5. The PET sheet recycling reprocessing system according to claim 1, wherein: the crushing mechanism is internally provided with a crushing cutter, the outer edge surface of the crushing cutter is provided with a plurality of gears, and gaps among the gears are matched with blocks, strips or powdery materials formed by targets.

6. The PET sheet recycling reprocessing system according to claim 2, wherein: the second pulverizer is internally provided with a weighing device, one side of the weighing device is of an open structure and used for receiving materials conveyed by a toothed conveyor belt, and the bottom of the weighing device is provided with a blocking plate which is opened and closed at regular time to put in the materials to the conveyor belt below.

7. The PET sheet recycling reprocessing system according to claim 1, wherein: mixing mechanism includes the machine that mixes of plural platform series connection, be equipped with metal filter equipment, disinfecting equipment in mixing the machine, metal filter equipment set up in mix machine feed inlet top, parallel with the toothed belt, extend to the toothed belt traffic direction, disinfecting equipment including set up in the plural ultraviolet radiation lamp of mixing the machine inner wall and/or set up in mix the shower nozzle of machine discharge gate.

8. The PET sheet recycling reprocessing system according to claim 1, wherein: the net laying mechanism is internally provided with a roller trolley which is abutted against the conveying belt and presses the material to move, and a movable weight fixing device which is arranged below the roller trolley and used for receiving the material, wherein pre-positioning strips are arranged on two sides of the roller trolley, extend downwards and have the freedom degree of moving up and down.

9. The PET sheet recycling reprocessing system according to claim 1, wherein: the shaping mechanism is provided with a hot pressing system and a cold pressing system in sequence from a feeding hole to a discharging hole, and the hot pressing system is penetrated through the cold pressing system and is provided with an adjustable height fixing device.

10. The PET sheet recycling reprocessing system according to claim 1, wherein: the cutting mechanism comprises a conveying table and a movable cutting knife arranged above the conveying table.