CN112339162B - Waste PET material recycling device and reconstruction method - Google Patents
Waste PET material recycling device and reconstruction method Download PDFInfo
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- CN112339162B CN112339162B CN202011119954.6A CN202011119954A CN112339162B CN 112339162 B CN112339162 B CN 112339162B CN 202011119954 A CN202011119954 A CN 202011119954A CN 112339162 B CN112339162 B CN 112339162B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
- B29B17/0412—Disintegrating plastics, e.g. by milling to large particles, e.g. beads, granules, flakes, slices
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/06—Recovery or working-up of waste materials of polymers without chemical reactions
- C08J11/08—Recovery or working-up of waste materials of polymers without chemical reactions using selective solvents for polymer components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0217—Mechanical separating techniques; devices therefor
- B29B2017/0224—Screens, sieves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
- B29B2017/0424—Specific disintegrating techniques; devices therefor
- B29B2017/0476—Cutting or tearing members, e.g. spiked or toothed cylinders or intermeshing rollers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Sustainable Development (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention relates to a waste PET material recycling device which comprises a supporting column, wherein the top end of the supporting column is fixedly connected with a supporting plate, the top end of the supporting plate is fixedly connected with a box body, the upper end of the inner wall of the box body is fixedly connected with a filter screen, the upper end of the filter screen is provided with a crushing mechanism, the crushing mechanism internally comprises a first bearing which is embedded and connected with one side of the box body, the surface of the first bearing is rotatably connected with a first gear, one side of the inner wall of the box body is embedded and connected with a motor, and the surface of the motor is movably sleeved with a protection box. According to the invention, under the action of the crushing mechanism, the two crushing rollers can be driven by the motor to rotate relatively, the recovered PET material is rapidly extruded to be granular with the size of below 1.5cm, the later-stage dissolving processing operation is facilitated, the construction efficiency of material recovery and remanufacturing is improved, impurities in the solution can be filtered by the filter, the quality of a remanufactured product is improved, and the motor can simultaneously drive the stirring paddle to rotate.
Description
Technical Field
The invention relates to a waste PET material recycling device, and belongs to the technical field of PET material reconstruction.
Background
The main sources of the waste PET materials are waste materials generated in various stages in the production process of polyester fibers and filaments and waste PET beverage bottles, waste fiber products made of the polyester fibers and the filaments also become important sources of PET waste materials, and the waste materials are recycled and dissolved to be made into new PET materials with specified shapes.
The device is recycled to current old and useless PET material, and at its in-process that uses, too big waste material is in the dissolution process operation, and the process is very slow, does not possess and carries out kibbling function to its device, and current device is dissolving the in-process, can't make its rapid mixing mix, has reduced machining efficiency.
Disclosure of Invention
The invention aims to solve the technical problems and overcome the existing defects, and provides a waste PET material recycling device and a waste PET material recycling method.
In order to solve the technical problems, the invention provides the following technical scheme:
a waste PET material recycling device comprises a supporting column, wherein the top end of the supporting column is fixedly connected with a supporting plate, the top end of the supporting plate is fixedly connected with a box body, the upper end of the inner wall of the box body is fixedly connected with a filter screen, a crushing mechanism is installed at the upper end of the filter screen, the crushing mechanism internally comprises a first bearing connected with one side of the box body in an embedded manner, the surface of the first bearing is rotatably connected with a first gear, one side of the inner wall of the box body is connected with a motor in an embedded manner, the surface of the motor is movably sleeved with a protection box, the protection box is fixedly connected with one side of the inner wall of the box body, two sides of the inner wall of the box body are respectively and fixedly connected with two second bearings, a crushing roller is rotatably connected between the two second bearings, the surface of one side of the crushing roller is fixedly connected with a second gear, one side of the inner wall of the box body is fixedly connected with a third bearing, and the surface of the third bearing is rotatably connected with a third gear, the third gear is in meshed connection with the second gear, a first connecting rod is movably sleeved on one side of the box body and penetrates through the box body to be fixedly connected with a third bearing, a fourth gear is rotatably connected to the surface of the first connecting rod and is in meshed connection with the first gear, a stirring mechanism is installed at the lower end inside the box body, a monitoring mechanism is installed on one side of the box body, and a feeding adjusting mechanism is installed at the lower end of the filter screen;
the feeding adjusting mechanism comprises sliding grooves fixedly connected with two sides of the inner wall of the box body, sliding blocks are arranged in the sliding grooves in a sleeved mode, the other ends of the sliding blocks are fixedly connected with partition plates, the partition plates are movably sleeved with one side of the box body, one end of each partition plate is fixedly connected with a handle, the top ends of the partition plates are fixedly connected with telescopic outer rods, the telescopic outer rods are fixedly connected with reset springs, the top ends of the reset springs are fixedly connected with telescopic inner rods, and the top ends of the telescopic inner rods are fixedly connected with cleaning brushes.
Furthermore, the crushing roller and the box body form a rotating structure through a second bearing, and the first gear and the motor form a first transmission structure through a first bearing.
Furthermore, the stirring mechanism comprises a fourth bearing fixedly connected with one side of the inner wall of the box body, the surface of the fourth bearing is rotatably connected with the stirring paddle, a second connecting rod is movably sleeved on the surface of the box body and penetrates through the box body to be fixedly connected with the fourth bearing, and a fifth gear is rotatably connected on the surface of the second connecting rod.
Furthermore, the fifth gear is in meshed connection with the first gear, and the stirring paddle and the first gear form a second transmission structure through a second connecting rod and the fifth gear.
Further, the cleaning brush is movably connected with the bottom end of the filter screen, and the partition plate forms a sliding structure with the sliding groove through the sliding block.
Further, monitoring mechanism is including the feed inlet of being connected with the box gomphosis, and the inside block of feed inlet is connected with the plug, the melting of plug top is connected with the plate washer, and the inside activity of plate washer has cup jointed the sighting rod to this sighting rod bottom melting is connected with the floating ball.
Furthermore, the mark post is movably sleeved with the rubber plug, and the baffle plate and the feed inlet form a detachable structure through the rubber plug.
Further, the method for regenerating the waste PET material recycling device comprises the following steps of recycling, crushing, dissolving and refining particles, wherein the recycling and crushing steps comprise:
the method comprises the following steps: putting the recycled PET material into the top end of the box body, driving a first gear to rotate through a motor, and driving a fourth gear to rotate through the first gear;
step two: the first connecting rod on one side of the fourth gear drives the third gear to rotate, and the second gears meshed and connected with the two sides of the third gear rotate in opposite directions, so that the two crushing rollers rotate in opposite directions;
step three: extruding and crushing the recovered PET material into particles with the size below 1.5CM by two extruding and crushing rollers;
step four: the crushed particles fall into the lower end of the interior of the box body through the filter screen;
the particle dissolving and refining method comprises the following specific steps:
the method comprises the following steps: adding an organic solvent into the box body through the feeding hole, and then clamping the rubber plug at the bottom end of the baffle plate into the feeding hole;
step two: the motor drives the first gear to rotate and simultaneously drives the fifth gear meshed and connected with one side of the motor to rotate;
step three: the fifth gear drives the stirring paddle to rotate through the second connecting rod.
Step four: stirring the organic solvent at the lower end of the interior of the box body by the stirring paddle and the waste particles to quickly dissolve the waste particles to form a homogeneous solution; discharging through a discharge valve, and placing in a storage box;
step five: adding an adsorbent into the homogeneous phase solution, stirring and standing to obtain standing liquid, adding the standing liquid into a filter for filtering to obtain primary filter residue and primary filtrate, adding an organic solvent into the primary filtrate under the condition of stirring at the temperature of 65-80 ℃ and normal pressure to separate out polyethylene terephthalate powder, and performing primary separation to obtain turbid liquid and solvent solution containing the polyethylene terephthalate powder;
step six: centrifuging turbid liquid containing polyethylene terephthalate powder in a centrifuge to remove liquid to obtain centrifugal filtrate and precipitate, washing and drying the precipitate to obtain polyethylene terephthalate powder, and extruding the polyethylene terephthalate powder by an extruder to obtain polyethylene terephthalate slices or polyethylene terephthalate granules.
The invention has the technical effects and advantages that:
1. according to the invention, under the action of the crushing mechanism, the two crushing rollers can be driven by the motor to rotate relatively, the recovered PET material is rapidly extruded to be granular with the size of below 1.5cm, the later-stage dissolving processing operation is facilitated, the construction efficiency of material recovery and remanufacturing is improved, impurities in the solution can be filtered by the filter, the quality of a remanufactured product is improved, and the motor can simultaneously drive the stirring paddle to rotate.
2. According to the invention, under the action of the stirring mechanism, the waste particles and the organic solvent can be mixed and stirred by the stirring paddle, so that the dissolving speed of the waste particles can be accelerated, the waste particles can be completely dissolved, the waste reuse rate is improved, and the situation that the waste particles cannot be completely dissolved is prevented.
3. According to the invention, under the action of the feeding adjusting mechanism, the partition plate can slide in the chute through the sliding block by pulling the handle, the size of the output end of the filter screen is adjusted, the feeding speed of adjusting waste particles is achieved, the situation that excessive waste is accumulated at the bottom end inside the box body and cannot be completely dissolved due to too fast particle feeding is prevented, and the partition plate can drive the cleaning brush to scrape and rub at the bottom end of the filter screen, so that the filter screen can be prevented from being blocked.
4. According to the invention, under the action of the monitoring mechanism, a dissolving agent is conveniently added into the box body through the feeding hole, the feeding hole can be blocked and sealed through the rubber plug and the baffle plate, so that the homogeneous solution is prevented from overflowing in the stirring process, and can float on the surface of the homogeneous solution through the floating ball and buoyancy to drive the mark post to lift and move, and the preset scale marks on the mark post are observed, so that a worker can conveniently observe the liquid level in the box body.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a front view of a recycling apparatus for waste PET materials according to the present invention;
FIG. 2 is a schematic top view of the crushing mechanism of the present invention;
FIG. 3 is a schematic view of the structure of the stirring mechanism of the present invention;
FIG. 4 is a schematic top view of the feed adjustment mechanism of the present invention;
FIG. 5 is an enlarged schematic view of the structure at A in the present invention;
fig. 6 is a schematic view of the structure of the monitoring mechanism of the present invention.
Reference numbers in the figures: 1. a support column; 2. a support plate; 3. a box body; 4. a filter screen; 5. a crushing mechanism; 501. a first bearing; 502. a first gear; 503. an electric motor; 504. a protective case; 505. a second bearing; 506. a crushing roller; 507. a second gear; 508. a third bearing; 509. a third gear; 5010. a first connecting rod; 5011. a fourth gear; 6. a stirring mechanism; 601. a fourth bearing; 602. a stirring paddle; 603. a second connecting rod; 604. a fifth gear; 7. a feed adjustment mechanism; 701. a chute; 702. a slider; 703. a partition plate; 704. a handle; 705. a telescopic outer rod; 706. a return spring; 707. a telescopic inner rod; 708. a cleaning brush; 8. a monitoring mechanism; 801. a feed inlet; 802. a rubber plug; 803. a baffle plate; 804. a marker post; 805. a floating ball.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1-6, a waste PET material recycling device comprises a supporting column 1, a supporting plate 2 is fixedly connected to the top end of the supporting column 1, a box body 3 is fixedly connected to the top end of the supporting plate 2, a filter screen 4 is fixedly connected to the upper end of the inner wall of the box body 3, a crushing mechanism 5 is installed at the upper end of the filter screen 4, a first bearing 501 is arranged inside the crushing mechanism 5 and is connected with one side of the box body 3 in an embedded manner, a first gear 502 is rotatably connected to the surface of the first bearing 501, a motor 503 is connected to one side of the inner wall of the box body 3 in an embedded manner, a protection box 504 is movably sleeved on the surface of the motor 503 and is fixedly connected to one side of the inner wall of the box body 3, two second bearings 505 are respectively and fixedly connected to two sides of the inner wall of the box body 3, a crushing roller 506 is rotatably connected between the two second bearings 505, and a second gear 507 is fixedly connected to one side of the crushing roller 506, the third bearing 508 is fixedly connected to one side of the inner wall of the box body 3, the surface of the third bearing 508 is rotatably connected with the third gear 509, the third gear 509 is in meshed connection with the second gear 507, the first connecting rod 5010 is movably sleeved on one side of the box body 3 and penetrates through the box body 3 to be fixedly connected with the third bearing 508, the fourth gear 5011 is rotatably connected to the surface of the first connecting rod 5010, the fourth gear 5011 is in meshed connection with the first gear 502, the stirring mechanism 6 is installed at the lower end inside the box body 3, the monitoring mechanism 8 is installed on one side of the box body 3, the feeding adjusting mechanism 7 is installed at the lower end of the filter screen 4, the motor 503 is connected with an external power supply through a connecting wire, the crushing roller 506 can be driven to rotate relatively, and the motor 503 can be prevented from being blocked by waste particles.
The crushing roller 506 and the box body 3 form a rotating structure through the second bearing 505, the first gear 502 and the motor 503 form a first transmission structure through the first bearing 501, and the material recovered by the crushing roller 506 can be extruded into waste particles with the diameter less than 1.5cm through the protective box 504 through the extrusion screw threads preset on the surface.
As shown in fig. 3, the stirring mechanism 6 includes a fourth bearing 601 fixedly connected to one side of the inner wall of the box 3, the surface of the fourth bearing 601 is rotatably connected to a stirring paddle 602, the surface of the box 3 is movably sleeved with a second connecting rod 603, the second connecting rod 603 passes through the box 3 and is fixedly connected to the fourth bearing 601, the surface of the second connecting rod 603 is rotatably connected to a fifth gear 604, and when the first gear 502 rotates, the fifth gear 604 can be driven to rotate.
The fifth gear 604 is engaged with the first gear 502, and the paddle 602 forms a second transmission structure with the first gear 502 through the second connecting rod 603 and the fifth gear 604, so that the paddle 602 can rotate to stir the waste particles and the dissolving agent in the box 3.
As shown in fig. 4 and 5, the feeding adjustment mechanism 7 includes a sliding groove 701 fixedly connected to two sides of the inner wall of the box 3, a sliding block 702 is inserted into the sliding groove 701, a partition 703 is fixedly connected to the other end of the sliding block 702, the partition 703 is movably sleeved on one side of the box 3, a handle 704 is fixedly connected to one end of the partition 703, a telescopic outer rod 705 is fixedly connected to the top end of the partition 703, a return spring 706 is fixedly connected to the inside of the telescopic outer rod 705, a telescopic inner rod 707 is fixedly connected to the top end of the return spring 706, a cleaning brush 708 is fixedly connected to the top end of the telescopic inner rod 707, the handle 704 is pulled, the partition 703 slides in the sliding groove 701 through the sliding block 702 by the handle 704, and the size of the output end of the filter screen 4 can be adjusted.
The cleaning brush 708 is movably connected with the bottom end of the filter screen 4, the partition 703 forms a sliding structure with the sliding groove 701 through the sliding block 702, and the preset return spring 706 drives the telescopic inner rod 707 and the cleaning brush 708 to move upwards, so that the cleaning brush 708 is tightly attached to the bottom end of the filter screen 4.
As shown in fig. 6, the monitoring mechanism 8 includes a feeding port 801 connected to the box 3 in an embedded manner, a rubber plug 802 is connected to the feeding port 801 in an embedded manner, a baffle 803 is connected to the top end of the rubber plug 802 in a melting manner, a marker post 804 is movably sleeved inside the baffle 803, a floating ball 805 is connected to the bottom end of the marker post 804 in a melting manner, a dissolving agent can be added into the box 3 through the feeding port 801, the rubber plug 802 can be clamped into the feeding port 801, and the feeding port 801 is blocked and sealed through the baffle 803.
The marker post 804 is movably sleeved with the rubber plug 802, the baffle 803 forms a detachable structure with the feed inlet 801 through the rubber plug 802, the floating ball 805 can float on the surface of the homogeneous solution through buoyancy, the marker post 804 is driven to move upwards, and scale marks are preset on the surface of the marker post 804, so that a worker can observe the liquid level in the box body 3 conveniently.
A reconstruction method of a waste PET material recycling device comprises the following steps of recycling and crushing, dissolving and refining particles, and the recycling and crushing steps are as follows:
the method comprises the following steps: the recycled PET material is put into the top end of the box body 3, the first gear 502 is driven to rotate by the motor 503, and the fourth gear 5011 is driven to rotate by the first gear 502;
step two: the first connecting rod 5010 on one side of the fourth gear 5011 drives the third gear 509 to rotate, and the second gears 507 meshed and connected with the two sides of the third gear 509 rotate in opposite directions, so that the two crushing rollers 506 rotate in opposite directions;
step three: the PET material recovered by the extrusion crushing roller 506 is extruded and crushed into particles with the size below 1.5 CM;
step four: the crushed particles fall into the lower end of the interior of the box body 3 through the filter screen 4;
the particle dissolving and refining method comprises the following specific steps:
the method comprises the following steps: adding an organic solvent into the box body 3 through the feeding hole 801, and then clamping the rubber plug 802 at the bottom end of the baffle 803 into the feeding hole 801;
step two: the motor 503 drives the first gear 502 to rotate, and simultaneously drives the fifth gear 604 with one side engaged and connected with the first gear to rotate;
step three: the fifth gear 604 rotates the paddle 602 via the second connecting rod 603.
Step four: the stirring paddle 602 stirs the organic solvent at the lower end inside the box body 3 and the waste particles, so that the waste particles are quickly dissolved to form a homogeneous solution; discharging through a discharge valve, and placing in a storage box;
step five: adding an adsorbent into the homogeneous phase solution, stirring and standing to obtain standing liquid, adding the standing liquid into a filter for filtering to obtain primary filter residue and primary filtrate, adding an organic solvent into the primary filtrate under the condition of stirring at the temperature of 65-80 ℃ and normal pressure to separate out polyethylene terephthalate powder, and performing primary separation to obtain turbid liquid and solvent solution containing the polyethylene terephthalate powder;
step six: centrifuging turbid liquid containing polyethylene terephthalate powder in a centrifuge to remove liquid to obtain centrifugal filtrate and precipitate, washing and drying the precipitate to obtain polyethylene terephthalate powder, and extruding the polyethylene terephthalate powder by an extruder to obtain polyethylene terephthalate slices or polyethylene terephthalate granules.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
The working principle of the invention is as follows: when in use, the recycled PET material is put into the top end of the box body 3, the first gear 502 is driven to rotate by the motor 503, the first gear 502 drives the fourth gear 5011 in meshed connection to rotate, the fourth gear 5011 drives the first connecting rod 5010 to rotate, the first connecting rod 5010 drives the third gear 509 to rotate, when the third gear 509 rotates, the second gear 507 in meshed connection is driven to rotate oppositely, the second gear 507 drives the crushing roller 506 to rotate oppositely, the recycled PET material is crushed into waste particles with the size of less than 1.5CM by the two crushing rollers 506 rotating oppositely, the waste particles fall into the lower end of the inner part of the box body 3 through the filter screen 4, meanwhile, the handle 704 is manually pulled, the partition 703 slides in the sliding groove 701 through the sliding block 702, the size of the output end of the filter screen 4 is adjusted, the feeding speed of the waste particles is adjusted, when the partition 703 moves, the cleaning brush 708 is driven to scrape at the bottom end of the filter screen 4 to clean the filter screen 4 and prevent blockage, the telescopic inner rod 707 and the cleaning brush 708 are driven to move upwards through a preset return spring 706, the cleaning brush 708 is tightly attached to the bottom end of the filter screen 4, a dissolving agent is added into the box body 3 through the feed inlet 801, the rubber plug 802 is clamped into the feed inlet 801, the sealed feed inlet 801 is blocked through a baffle plate 803, when the first gear 502 rotates, the fifth gear 604 in meshing connection rotates, the fifth gear 604 drives the stirring paddle 602 to rotate through the second connecting rod 603, the stirring paddle 602 stirs organic solvent at the lower end inside the box body 3 and waste particles to form a homogeneous solution, the floating ball 805 can float on the surface of the homogeneous solution through buoyancy, the marker post 804 is driven to move upwards, a preset scale mark line on the marker post 804 is observed, and a worker can conveniently observe the liquid level inside the box body 3, discharging through a discharge valve, placing the mixture into a containing box, adding an adsorbent into the homogeneous solution, stirring and standing to obtain standing liquid, adding the standing liquid into a filter for filtering to obtain primary filter residue and primary filtrate, adding an organic solvent into the primary filtrate under stirring at a normal temperature of 65-80 ℃ to separate out polyethylene terephthalate powder, primarily separating to obtain turbid liquid and solvent solution containing the polyethylene terephthalate powder, centrifuging the turbid liquid containing the polyethylene terephthalate powder in a centrifuge to remove the liquid to obtain centrifugal filtrate and precipitate, washing and drying the precipitate to obtain polyethylene terephthalate powder, extruding the polyethylene terephthalate powder by an extruder to obtain polyethylene terephthalate slices or polyethylene terephthalate granules, the working principle of the device is thus completed.
The above embodiments are preferred embodiments of the present invention, and those skilled in the art can make variations and modifications to the above embodiments, therefore, the present invention is not limited to the above embodiments, and any obvious improvements, substitutions or modifications made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (7)
1. The utility model provides a waste PET material recycling device, includes support column (1), its characterized in that: the supporting column is characterized in that the supporting plate (2) is fixedly connected to the top end of the supporting column (1), the box body (3) is fixedly connected to the top end of the supporting plate (2), a filter screen (4) is fixedly connected to the upper end of the inner wall of the box body (3), a material crushing mechanism (5) is installed at the upper end of the filter screen (4), a first bearing (501) which is connected with the box body (3) in an embedded mode is arranged inside the material crushing mechanism (5), a first gear (502) is rotatably connected to the surface of the first bearing (501), a motor (503) is connected to the inner wall of the box body (3) in an embedded mode, a protection box (504) is movably sleeved on the surface of the motor (503), the protection box (504) is fixedly connected with one side of the inner wall of the box body (3), two second bearings (505) are fixedly connected to two sides of the inner wall of the box body (3) respectively, and a crushing roller (506) is rotatably connected between the two second bearings (505), a second gear (507) is fixedly connected on the surface of one side of the crushing roller (506), a third bearing (508) is fixedly connected on one side of the inner wall of the box body (3), a third gear (509) is rotatably connected on the surface of the third bearing (508), the third gear (509) is in meshed connection with the second gear (507), one side of the box body (3) is movably sleeved with a first connecting rod (5010), and the first connecting rod (5010) penetrates through the box body (3) to be fixedly connected with the third bearing (508), the surface of the first connecting rod (5010) is rotationally connected with a fourth gear (5011), the fourth gear (5011) is in meshed connection with the first gear (502), the lower end in the box body (3) is provided with a stirring mechanism (6), a monitoring mechanism (8) is arranged on one side of the box body (3), and a feeding adjusting mechanism (7) is arranged at the lower end of the filter screen (4);
feeding adjustment mechanism (7) including spout (701) of box (3) inner wall both sides fixed connection, and spout (701) inside cup joints and inserts and be equipped with slider (702), slider (702) other end fixedly connected with baffle (703), and baffle (703) cup joint with box (3) one side activity to this baffle (703) one end fixedly connected with handle (704), baffle (703) top fixedly connected with outer pole (705) that stretch out and draw back, and the inside fixedly connected with reset spring (706) of outer pole (705), reset spring (706) top fixedly connected with telescopic inner pole (707), and telescopic inner pole (707) top fixedly connected with cleaning brush (708).
2. The recycling device of waste PET materials according to claim 1, characterized in that: the squeezing roller (506) and the box body (3) form a rotating structure through a second bearing (505), and the first gear (502) and the motor (503) form a first transmission structure through a first bearing (501).
3. The recycling device of waste PET materials according to claim 1, characterized in that: rabbling mechanism (6) including with box (3) inner wall one side fixed connection's fourth bearing (601), and fourth bearing (601) surface rotation is connected with stirring rake (602), box (3) surface activity has cup jointed second connecting rod (603), and second connecting rod (603) pass box (3) and fourth bearing (601) fixed connection to this second connecting rod (603) surface rotation is connected with fifth gear (604).
4. The recycling device of waste PET materials according to claim 3, characterized in that: the fifth gear (604) is in meshed connection with the first gear (502), and the stirring paddle (602) and the first gear (502) form a second transmission structure through a second connecting rod (603), the fifth gear (604).
5. The recycling device of waste PET materials according to claim 1, characterized in that: the cleaning brush (708) is movably connected with the bottom end of the filter screen (4), and the partition board (703) and the sliding groove (701) form a sliding structure through the sliding block (702).
6. The recycling device of waste PET materials according to claim 1, characterized in that: monitoring mechanism (8) are including feed inlet (801) of being connected with box (3) gomphosis, and feed inlet (801) inside block is connected with plug (802), plug (802) top melting is connected with plate washer (803), and the inside activity of plate washer (803) has cup jointed sighting rod (804) to this sighting rod (804) bottom melting is connected with floating ball (805).
7. The recycling device of waste PET materials according to claim 6, characterized in that: the marker post (804) is movably sleeved with the rubber plug (802), and the baffle plate (803) and the feeding hole (801) form a detachable structure through the rubber plug (802).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011119954.6A CN112339162B (en) | 2020-10-19 | 2020-10-19 | Waste PET material recycling device and reconstruction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011119954.6A CN112339162B (en) | 2020-10-19 | 2020-10-19 | Waste PET material recycling device and reconstruction method |
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| CN112339162A CN112339162A (en) | 2021-02-09 |
| CN112339162B true CN112339162B (en) | 2022-06-10 |
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| CN202011119954.6A Active CN112339162B (en) | 2020-10-19 | 2020-10-19 | Waste PET material recycling device and reconstruction method |
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| CN112973223B (en) * | 2021-02-11 | 2022-07-29 | 临沂市水务集团城区供水有限公司 | Sewage treatment device |
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| CN208914377U (en) * | 2018-10-22 | 2019-05-31 | 河南沃通环保设备有限公司 | Waste plastic regeneration crushing washing equipment |
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| CN112339162A (en) | 2021-02-09 |
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