CN111331754B - Polyethylene plastic particle, preparation system and preparation method - Google Patents

Polyethylene plastic particle, preparation system and preparation method Download PDF

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Publication number
CN111331754B
CN111331754B CN202010316271.3A CN202010316271A CN111331754B CN 111331754 B CN111331754 B CN 111331754B CN 202010316271 A CN202010316271 A CN 202010316271A CN 111331754 B CN111331754 B CN 111331754B
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polyethylene plastic
preparation
box
plate
preparation system
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CN111331754A (en
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李志忠
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Changzhou Huajian Pharmaceutical Packaging Material Co ltd
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Changzhou Qigang New Material Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00Making granules
    • B29B9/16Auxiliary treatment of granules
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The invention relates to preparation of polyethylene plastic particles, in particular to polyethylene plastic particles, a preparation system and a preparation method. The device comprises a running water bucket, a horizontal buffer plate, a water removal bucket, an inlet, an outlet, a motor I, a main shaft, a shifting plate and a drainage part, wherein the horizontal buffer plate, the drainage part and the rotating shifting plate are used for removing water while polyethylene plastic particles are conveyed, so that the polyethylene plastic particles are only in a wet state; the middle of the two material pouring plates can be switched between concave and convex, so that polyethylene plastic particles falling from the material outlet can be accommodated, and the polyethylene plastic particles are subjected to shaking, draining, preheating, volatile moisture lifting or uniformly distributed into two containers with upper openings for dispersion and drying; the hot air in the T-shaped channel and the two L-shaped plates which can exchange liquid and gas can be used for quickly drying the polyethylene plastic particles.

Description

Polyethylene plastic particle, preparation system and preparation method
Technical Field
The invention relates to preparation of polyethylene plastic particles, in particular to polyethylene plastic particles, a preparation system and a preparation method.
Background
For example, a plastic particle preparing apparatus disclosed in publication No. CN209599624U includes a chopping device, a screening device and a drying device; the shredding device comprises a shredder; the screening device comprises a vibrating screen shell, a vibrating screen cover, a middle layer, a vibrating motor and a vibrating bracket; the drying device comprises a charging barrel, a stirring motor and a hot air blower; the plastics processed by the chopper directly enter a screening device for size screening; the screened qualified plastic particles enter a drying device for drying; the plastic particle preparation device avoids the operation of manually carrying materials, reduces the manual participation in the processing process, improves the production efficiency, can also screen particles with different sizes, and finally dries the plastic particles through a high-efficiency drying device; however, the device is not convenient to use on a production line and cannot directly receive cooling water with plastic particles; the heat is easy to accumulate and damage plastic particles, and the moisture is easy to accumulate and has low drying efficiency.
Disclosure of Invention
The invention aims to provide polyethylene plastic particles, a preparation system and a preparation method, which can directly receive cooling water with the plastic particles, have high drying speed and do not accumulate heat and water vapor.
The purpose of the invention is realized by the following technical scheme:
a polyethylene plastic particle preparation system comprises a running water bucket, a horizontal buffer plate, a water removing bucket, an inlet, an outlet, a motor I, a main shaft, a material shifting plate and a water discharging part, the right end of the running water bucket is provided with a horizontal buffer plate, the left end of the dewatering bucket is provided with an inlet, the running water bucket is fixedly connected with the dewatering bucket, the kicking plates are connected with the inlet, the running water bucket is communicated with the inlet, the right lower part of the dewatering bucket is provided with an outlet, a motor I is fixedly connected on the dewatering bucket, two ends of a main shaft are rotatably connected with the front end and the rear end of the dewatering bucket, the motor I drives the main shaft to rotate, at least four kicking plates are uniformly and circumferentially fixedly connected on the main shaft, the gaps between the outer ends of the four kicking plates and the inner end surface of the dewatering bucket are within two millimeters, a drainage part is arranged between the material inlet and the material outlet of the water removal barrel, drainage holes are formed in the horizontal buffer plate, the material shifting plate and the drainage part, and the motor I drives the main shaft to rotate clockwise.
The polyethylene plastic particle preparation system also comprises a preparation box, air outlets, L-shaped plates, bases, sliding rods, sponges, connecting plates, material pouring plates, connecting rods, a connecting rod I, a connecting rod II, a motor II and an air heater, wherein the air outlets are arranged at the left end and the right end of the lower end of the preparation box, the two L-shaped plates are arranged in mirror symmetry, the two L-shaped plates are fixedly connected in the preparation box, the preparation box and each L-shaped plate form a container with an upper opening, the two L-shaped plates and the two air outlets form a T-shaped channel, the front end and the rear end of the inner wall of the preparation box are respectively fixedly connected with one base, each base is fixedly connected with one connecting rod, the two connecting rods are positioned between the two L-shaped plates, the sponges are arranged at the bottom end of the preparation box, the connecting plates are slidably connected to the two sliding rods, the connecting plates slide up and down in the middle of the two L-shaped plates, the left end and the right end of each connecting plate are respectively hinged with one material pouring plate, the lower end faces of the two material pouring plates are respectively contacted with the upper end faces of the two L-shaped plates, the connecting rod is fixedly connected to the lower end of the connecting plate, one end of the connecting rod I is hinged to the lower end of the connecting plate, the other end of the connecting rod I is hinged to one end of the connecting rod II, the other end of the connecting rod II is fixedly connected to an output shaft of the motor II, the motor II is fixedly connected to one L-shaped plate, the two hot air blowers are arranged and are both installed on the preparation box, and the two hot air blowers are used for respectively conveying hot air to the two air outlets; the discharging opening is arranged right above the middle of the two L-shaped plates, and the L-shaped plates and the material pouring plate are both provided with water discharging holes.
This polyethylene plastic granules preparation system still includes connecting box, delivery port and water guide platform, the downside of connecting box left end is equipped with the delivery port, and water guide platform rigid coupling is on the inner wall of connecting box, and the bottom and the delivery port of water guide platform link up, and the water guide platform is located drainage department under, and the upper and lower both ends of connecting box rigid coupling respectively are in the lower extreme of except that the cask and the upper end of preparation case, and the connecting box is used for communicateing except that cask and preparation case.
This polyethylene plastic granules preparation system still includes the discharge gate, lays mouth, door and electric telescopic handle, the rear end of preparation case is equipped with two discharge gates, and the lower extreme of every L template all inclines to set up and preceding high back low, and two discharge gates link up with the lower extreme of two L templates respectively, and the door setting is in the rear side of two discharge gates, lays the mouth and sets up the rear end at the preparation case, and the electric telescopic handle rigid coupling just is located on the preparation case and lays the mouth, and electric telescopic handle is used for driving the door and opens or close in two discharge gates.
This polyethylene plastic granules preparation system still includes motor II and spiral leaf, and motor II is equipped with two, and two motors II are all installed in the bottom of preparing incasement portion, and the output shaft of two motors II rotates respectively to be connected and passes the bottom of L template, spiral leaf of rigid coupling respectively on the output shaft of two motors II.
The polyethylene plastic particle preparation system further comprises an exhaust fan, wherein the exhaust fan is arranged on the connecting box and used for extracting moisture or hot gas in the preparation box.
The polyethylene plastic particle preparation system further comprises pre-abutting parts, each shifting plate is fixedly connected with the pre-abutting parts, and each pre-abutting part is attached to and slides with the inner end face of the water removal barrel.
The polyethylene plastic particle preparation system further comprises contact rollers, the upper ends of the two L-shaped plates are respectively and rotatably connected with a pre-abutting part, and the lower end faces of the two material pouring plates are respectively in contact with the two pre-abutting parts and used for eliminating dry friction generated between the material pouring plates and the L-shaped plates.
The method for preparing the polyethylene plastic particles by adopting the polyethylene plastic particle preparation system comprises the following steps:
step 1: introducing cooling water for cooling the thermoplastic polyethylene plastic particles into a running water hopper;
step 2: pre-dewatering and relieving the flow rate of water flow through a horizontal buffer plate;
and step 3: draining the polyethylene plastic particles through a rotating shifting plate and conveying the polyethylene plastic particles into a preparation box;
and 4, step 4: the hot air produced by the hot air blower is combined with the rotating spiral blade to rapidly dry the polyethylene plastic particles in the preparation box.
Adopt above-mentioned polyethylene plastic granules preparation system, its characterized in that: the polyethylene plastic granules are made from polyethylene with a density of 0.945 to 0.96 g per cubic centimeter by high-pressure injection molding with a hot-melting machine.
The polyethylene plastic particle preparation system has the beneficial effects that:
the horizontal buffer plate, the drainage part and the rotating shifting plate are utilized to remove water while the polyethylene plastic particles are conveyed, so that the polyethylene plastic particles are only in a wet state; the middle of the two material pouring plates can be switched between concave and convex, so that polyethylene plastic particles falling from the material outlet can be accommodated, and the polyethylene plastic particles are subjected to shaking, draining, preheating, volatile moisture lifting or uniformly distributed into two containers with upper openings for dispersion and drying; the hot air in the T-shaped channel and the two L-shaped plates capable of exchanging liquid and gas can be used for quickly drying the polyethylene plastic particles; the rotating spiral blade can continuously convey the bottom or the middle part of the polyethylene plastic particles accumulated in the preparation box upwards, which is beneficial to the volatilization of water vapor and the acceleration of the drying speed and effect. The exhaust fan accelerates the circulation of hot air, accelerates the drying efficiency, or accelerates the discharge of moisture, and improves the drying effect.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the overall structure of a polyethylene plastic pellet preparation system according to the present invention;
FIG. 2 is a partial schematic view of the first embodiment of the present invention;
FIG. 3 is a second partial schematic structural view of the present invention;
FIG. 4 is a third schematic view of a portion of the present invention;
FIG. 5 is a fourth schematic view of a portion of the present invention;
FIG. 6 is a schematic diagram of a portion of the present invention;
FIG. 7 is a schematic diagram six of a portion of the present invention;
FIG. 8 is an overall cross-sectional structural schematic of the present invention;
in the figure: a running water bucket 1; a horizontal buffer plate 101; a water removal barrel 2; an inlet 201; an outlet 202; a motor I203; a main shaft 204; a switch plate 205; a pre-butting portion 206; a drain 207; a connecting box 3; a water outlet 301; a water guide table 302; an exhaust fan 303; a preparation box 4; an air inlet 401; an L-shaped plate 402; a contact roller 403; a base 404; a slide bar 405; a discharge port 406; a mounting opening 407; a sponge 408; a connecting plate 5; a material pouring plate 501; a connecting rod 502; a connecting rod I503; a connecting rod II 504; a motor II 505; a bin gate 6; an electric telescopic rod 601; a motor II 7; helical blades 701; a hot air blower 8.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1-8, a polyethylene plastic particle preparation system comprises a flow bucket 1, a horizontal buffer plate 101, a dewatering bucket 2, an inlet 201, an outlet 202, a motor i 203, a spindle 204, a material-shifting plate 205 and a water discharging part 207, wherein the horizontal buffer plate 101 is arranged at the right end of the flow bucket 1, the inlet 201 is arranged at the left end of the dewatering bucket 2, the flow bucket 1 is fixedly connected with the dewatering bucket 2, the material-shifting plate 205 is connected with the inlet 201, the flow bucket 1 is communicated with the inlet 201, the outlet 202 is arranged at the lower right of the dewatering bucket 2, the motor i 203 is fixedly connected to the dewatering bucket 2, two ends of the spindle 204 are rotatably connected to the front and rear ends of the dewatering bucket 2, the motor i 203 drives the spindle 204 to rotate, at least four material-shifting plates 205 are uniformly and circumferentially and fixedly connected to the spindle 204, the outer ends of the four material-shifting plates 205 are within two millimeters of a plane gap with the dewatering bucket 2, the water discharging part 207 is arranged between the inlet 201 and the inner end 202 of the dewatering bucket 2, the horizontal buffer plate 101, the material stirring plate 205 and the water discharging part 207 are all provided with water discharging holes, and the motor I203 drives the main shaft 204 to rotate clockwise. The cooling water used for cooling the thermoplastic polyethylene plastic particles is introduced into the running water bucket 1, flows rightwards along with the running water bucket 1 from left to right through gravity and gradient, the thermoplastic polyethylene plastic particles are contained in the cooling water, when the cooling water reaches the horizontal buffer plate 101, the cooling water is buffered, the flow rate is reduced, the cooling water can be prevented from rushing out of the drainage portion 207 or from rushing onto the material shifting plate 205 which just enters the drainage portion 207, and at the moment, first water removal is carried out. When cooling water enters the dewatering barrel 2 through the inlet 201, plastic particles are also brought into the dewatering barrel 2, the rest of the cooling water falls on the drainage part 207 and flows out of the dewatering barrel 2, polyethylene plastic particles separated from the cooling water fall on the shifting plate 205 which reaches the lower end of the inlet 201 in advance, the motor I203 is utilized to drive the main shaft 204 to rotate, the main shaft 204 drives the shifting plate 205 to rotate clockwise, and the shifting plate 205 carries out water drainage on wet polyethylene plastic particles while conveying the polyethylene plastic particles. The more than four material shifting plates 205 can prevent the polyethylene plastic particles from directly dropping to the material outlet 202 from the material inlet 201 through the water discharging part 207, and if the polyethylene plastic particles pass through the water discharging part 207, more cooling water can be attached, and the drying effect cannot be influenced through the water filtering process.
The second embodiment is as follows:
as shown in fig. 1-8, the system for preparing polyethylene plastic particles further comprises a preparation box 4, air outlets 401, L-shaped plates 402, bases 404, sliding rods 405, sponges 408, a connecting plate 5, a material pouring plate 501, connecting rods 502, a connecting rod i 503, a connecting rod ii 504, a motor ii 505 and an air heater 8, wherein the air outlets 401 are arranged at the left end and the right end of the lower end of the preparation box 4, the two L-shaped plates 402 are arranged in a mirror symmetry manner, the two L-shaped plates 402 are fixedly connected in the preparation box 4, the preparation box 4 and each L-shaped plate 402 form a container with an upper opening, the two L-shaped plates 402 and the two air outlets 401 form a T-shaped channel, the front end and the rear end of the inner wall of the preparation box 4 are fixedly connected with one base 404, each base 404 is fixedly connected with one connecting rod 502, the two connecting rods 502 are positioned between the two L-shaped plates 402, the bottom end of the preparation box 4 is provided with sponges 408, the sponges 408 are communicated with the bottom end of the preparation box 4, the connecting plate 5 is slidably connected to the two sliding rods 405, the connecting plate 5 slides up and down between the two L-shaped plates 402, the left end and the right end of the connecting plate 5 are respectively hinged with a material pouring plate 501, the lower end faces of the two material pouring plates 501 are respectively contacted with the upper end faces of the two L-shaped plates 402, the connecting rod 502 is fixedly connected to the lower end of the connecting plate 5, one end of the connecting rod I503 is hinged with the lower end of the connecting plate 5, the other end of the connecting rod I503 is hinged with one end of the connecting rod II 504, the other end of the connecting rod II 504 is fixedly connected to an output shaft of the motor II 505, the motor II 505 is fixedly connected to one of the L-shaped plates 402, two hot air heaters 8 are arranged, the two hot air heaters 8 are both arranged on the preparation box 4, and the two hot air heaters 8 are used for respectively conveying hot air into the two air feeding holes 401; the outlet 202 is arranged right above the middle of the two L-shaped plates 402, and drainage holes are formed in the L-shaped plates 402 and the material pouring plate 501. The polyethylene plastic particles coming out of the material outlet 202 fall into the two material pouring plates 501, obviously, the polyethylene plastic particles coming out of the material outlet 202 are not continuous, but are intermittent and batched, when the polyethylene plastic particles do not fall out of the material outlet 202, the middle of the two material pouring plates 501 is driven to rotate by the motor II 505, the connecting rod II 504 drives the connecting rod I503 to swing up and down, the connecting rod I503 drives the connecting plate 5 to swing up and down, and when the connecting plate 5 moves upwards to be higher than the two L-shaped plates 402, the middle of the two material pouring plates 501 protrudes and is used for equally dividing the polyethylene plastic particles into two containers with upper openings; when the connecting plate 5 moves downwards to be lower than the two L-shaped plates 402, the middle of the two material pouring plates 501 is sunken for containing polyethylene plastic particles falling from the material outlet 202, the connecting plate 5 repeatedly moves up and down and is not higher than the L-shaped plates 402 during storage, the sunken states of the two material pouring plates 501 are kept, only the sunken degrees of the two material pouring plates are changed, and then the polyethylene plastic particles in the two material pouring plates can shake and drain, so that the polyethylene plastic particles are preheated above the high-temperature preparation box 4, the residual moisture of the wet polyethylene plastic particles is intensively shaken downwards, the moisture falls onto the sponge 408 through the T-shaped channel, and when the sponge 408 receives excessive moisture, the water is drained. Control sunken degree accessible II 505 just reverse switch realizes, if need not to shake the waterlogging caused by excessive rainfall then can make II 505 rotations of motor circles, two material pouring plates 501 switch to protruding state once from sunken state, and then will the polyethylene plastic granules of accomodating are raised dispersion and are preheated, make residual moisture carry out a large amount of volatilizing. Carry hot-blast through air heater 8 to in the T type passageway, can accelerate when the top of two L templates 402 is washed out to hot-blast aqueous vapor of taking away, almost dry polyethylene plastic granules is two respectively upper shed's container in, the hot gas that passes through two L templates 402 carries out rapid draing to polyethylene plastic granules, avoids gathering and pile up the aqueous vapor or avoid piling up and lead to moisture not volatile. The sponge 408 is permeable to water and has a certain wind blocking effect so that part of the hot wind generated by the air heater 8 moves upward with the surrounding of the two L-shaped plates 402. The L-shaped plate 402 has drainage holes that are sized to prevent the polyethylene plastic pellets from passing therethrough, both for gas exchange and for drainage.
The third concrete implementation mode:
as shown in fig. 1-8, the polyethylene plastic granule preparation system further comprises a connecting box 3, a water outlet 301 and a water guide platform 302, the water outlet 301 is arranged at the lower side of the left end of the connecting box 3, the water guide platform 302 is fixedly connected to the inner wall of the connecting box 3, the bottom end of the water guide platform 302 is connected to the water outlet 301, the water guide platform 302 is located under the water drainage portion 207, the upper end and the lower end of the connecting box 3 are respectively fixedly connected to the lower end of the dewatering barrel 2 and the upper end of the preparation box 4, and the connecting box 3 is used for communicating the dewatering barrel 2 and the preparation box 4. The water guide table 302 is used for guiding the water flowing out of the drainage part 207 out of the whole system, so that only a small amount of liquid to be volatilized in the preparation tank 4 is obtained, and the drying speed is accelerated. The connecting box 3 has a certain temperature locking effect, the preparation box 4 is prevented from losing too fast temperature, and power consumption is saved.
The fourth concrete implementation mode:
as shown in fig. 1-8, the polyethylene plastic particle preparation system further includes a discharge port 406, a placement port 407, a bin gate 6 and an electric telescopic rod 601, wherein two discharge ports 406 are disposed at the rear end of the preparation box 4, the lower end of each L-shaped plate 402 is inclined and is high in front and low in back, the two discharge ports 406 are respectively connected with the lower ends of the two L-shaped plates 402, the bin gate 6 is disposed at the rear side of the two discharge ports 406, the placement port 407 is disposed at the rear end of the preparation box 4, the electric telescopic rod 601 is fixedly connected to the preparation box 4 and is located in the placement port 407, and the electric telescopic rod 601 is used for driving the bin gate 6 to open or close to the two discharge ports 406.
The fifth concrete implementation mode:
as shown in fig. 1-8, the polyethylene plastic particle preparation system further comprises two motors ii 7 and spiral blades 701, the two motors ii 7 are both installed at the bottom end inside the preparation box 4, output shafts of the two motors ii 7 are respectively rotatably connected and penetrate through the bottom end of the L-shaped plate 402, and the output shafts of the two motors ii 7 are respectively fixedly connected with one spiral blade 701. Utilize motor II 7 drive helical blade 701 to rotate, helical blade 701 can be with the bottom or the continuous upward transport of middle part of the accumulational polyethylene plastic granules of preparation case 4, is favorable to aqueous vapor to volatilize for drying speed and effect.
The sixth specific implementation mode:
as shown in fig. 1 to 8, the system for preparing polyethylene plastic granules further comprises an exhaust fan 303, the exhaust fan 303 being installed at the connection box 3 for extracting moisture or hot air inside the preparation box 4. The exhaust fan 303 accelerates the circulation of hot air, accelerates the drying efficiency, or accelerates the discharge of moisture, and improves the drying effect.
The seventh embodiment:
as shown in fig. 1-8, the system for preparing polyethylene plastic particles further comprises pre-supporting portions 206, each material-poking plate 205 is fixedly connected with the pre-supporting portion 206, and each pre-supporting portion 206 is attached to and slides on the inner end surface of the water-removing barrel 2.
The specific implementation mode is eight:
as shown in fig. 1-8, the system for preparing polyethylene plastic particles further comprises a contact roller 403, the upper ends of the two L-shaped plates 402 are respectively rotatably connected with a pre-abutting portion 206, and the lower end surfaces of the two material pouring plates 501 are respectively in contact with the two pre-abutting portions 206 for eliminating dry friction generated between the material pouring plates 501 and the L-shaped plates 402, so that noise can be reduced, and the degree of wear of equipment can be reduced.
The specific implementation method nine:
as shown in fig. 1 to 8, a method for preparing polyethylene plastic granules using the above polyethylene plastic granule preparation system, comprising the steps of:
step 1: introducing cooling water for cooling the thermoplastic polyethylene plastic particles into the running water bucket 1;
step 2: pre-dewatering and relieving the flow rate of the water flow through a horizontal buffer plate 101;
and step 3: the polyethylene plastic particles are drained through the rotating kick-off plate 205 and are conveyed into the preparation box 4;
and 4, step 4: the hot air produced by the hot air blower 8 is combined with the rotating spiral blade 701 to rapidly dry the polyethylene plastic particles in the preparation box 4.
The detailed implementation mode is ten:
as shown in fig. 1-8, the system for preparing polyethylene plastic granules is characterized in that: the polyethylene plastic granules are made from polyethylene with a density of 0.945 to 0.96 g per cubic centimeter by high-pressure injection molding with a hot-melting machine. The temperature in the preparation box 4 is maintained at 100 to 105 ℃ by the hot air blower 8, so that the polyethylene plastic particles are not damaged and the drying efficiency is improved.
The invention relates to a polyethylene plastic particle preparation system, which has the working principle that:
the cooling water used for cooling the thermoplastic polyethylene plastic particles is introduced into the running water bucket 1, flows rightwards along with the running water bucket 1 from left to right through gravity and gradient, the thermoplastic polyethylene plastic particles are contained in the cooling water, when the cooling water reaches the horizontal buffer plate 101, the cooling water is buffered, the flow rate is reduced, the cooling water can be prevented from rushing out of the drainage portion 207 or from rushing onto the material shifting plate 205 which just enters the drainage portion 207, and at the moment, first water removal is carried out. When cooling water enters the dewatering barrel 2 through the inlet 201, plastic particles are also brought into the dewatering barrel 2, the rest of the cooling water falls on the drainage part 207 and flows out of the dewatering barrel 2, polyethylene plastic particles separated from the cooling water fall on the shifting plate 205 which reaches the lower end of the inlet 201 in advance, the motor I203 is utilized to drive the main shaft 204 to rotate, the main shaft 204 drives the shifting plate 205 to rotate clockwise, and the shifting plate 205 carries out water drainage on wet polyethylene plastic particles while conveying the polyethylene plastic particles. The more than four material shifting plates 205 can prevent the polyethylene plastic particles from directly dropping to the material outlet 202 from the material inlet 201 through the water discharging part 207, and if the polyethylene plastic particles pass through the water discharging part 207, more cooling water can be attached, and the drying effect cannot be influenced through the water filtering process. The polyethylene plastic particles coming out of the material outlet 202 fall into the two material pouring plates 501, obviously, the polyethylene plastic particles coming out of the material outlet 202 are not continuous, but are intermittent and batched, when the polyethylene plastic particles do not fall out of the material outlet 202, the middle of the two material pouring plates 501 is driven to rotate by the motor II 505, the connecting rod II 504 drives the connecting rod I503 to swing up and down, the connecting rod I503 drives the connecting plate 5 to swing up and down, and when the connecting plate 5 moves upwards to be higher than the two L-shaped plates 402, the middle of the two material pouring plates 501 protrudes and is used for equally dividing the polyethylene plastic particles into two containers with upper openings; when the connecting plate 5 moves downwards to be lower than the two L-shaped plates 402, the middle of the two material pouring plates 501 is sunken for containing polyethylene plastic particles falling from the material outlet 202, the connecting plate 5 repeatedly moves up and down and is not higher than the L-shaped plates 402 during storage, the sunken states of the two material pouring plates 501 are kept, only the sunken degrees of the two material pouring plates are changed, and then the polyethylene plastic particles in the two material pouring plates can shake and drain, so that the polyethylene plastic particles are preheated above the high-temperature preparation box 4, the residual moisture of the wet polyethylene plastic particles is intensively shaken downwards, the moisture falls onto the sponge 408 through the T-shaped channel, and when the sponge 408 receives excessive moisture, the water is drained. Control sunken degree accessible II 505 just reverse switch realizes, if need not to shake the waterlogging caused by excessive rainfall then can make II 505 rotations of motor circles, two material pouring plates 501 switch to protruding state once from sunken state, and then will the polyethylene plastic granules of accomodating are raised dispersion and are preheated, make residual moisture carry out a large amount of volatilizing. Carry hot-blast through air heater 8 to in the T type passageway, can accelerate when the top of two L templates 402 is washed out to hot-blast aqueous vapor of taking away, almost dry polyethylene plastic granules is two respectively upper shed's container in, the hot gas that passes through two L templates 402 carries out rapid draing to polyethylene plastic granules, avoids gathering and pile up the aqueous vapor or avoid piling up and lead to moisture not volatile. The sponge 408 is permeable to water and has a certain wind blocking effect so that part of the hot wind generated by the air heater 8 moves upward with the surrounding of the two L-shaped plates 402. The L-shaped plate 402 has drainage holes that are sized to prevent the polyethylene plastic pellets from passing therethrough, both for gas exchange and for drainage. The water guide table 302 is used for guiding the water flowing out of the drainage part 207 out of the whole system, so that only a small amount of liquid to be volatilized in the preparation tank 4 is obtained, and the drying speed is accelerated. The connecting box 3 has a certain temperature locking effect, the preparation box 4 is prevented from losing too fast temperature, and power consumption is saved. Utilize motor II 7 drive helical blade 701 to rotate, helical blade 701 can be with the bottom or the continuous upward transport of middle part of the accumulational polyethylene plastic granules of preparation case 4, is favorable to aqueous vapor to volatilize for drying speed and effect. The exhaust fan 303 accelerates the circulation of hot air, accelerates the drying efficiency, or accelerates the discharge of moisture, and improves the drying effect.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims (9)

1. The utility model provides a polyethylene plastic granules preparation system, includes flowing water fill (1), horizontal buffer board (101), removes bucket (2), income thing mouth (201), goes out thing mouth (202), motor I (203), main shaft (204), switch board (205) and drainage portion (207), its characterized in that: the right-hand member of flowing water fill (1) is equipped with horizontal buffer board (101), the left end of dewatering bucket (2) is equipped with into thing mouth (201), flowing water fill (1) and dewatering bucket (2) rigid coupling, switch board (205) link up with income thing mouth (201), flowing water fill (1) and income thing mouth (201) intercommunication, the right side below of dewatering bucket (2) is equipped with out thing mouth (202), motor I (203) rigid coupling is on dewatering bucket (2), the both ends of main shaft (204) are rotated and are connected in the front and back both ends of dewatering bucket (2), motor I (203) drive main shaft (204) rotate, the even rigid coupling of circumference is at least four switch board (205) on main shaft (204), the outer end of four switch board (205) all is within two millimeters with the interior terminal surface clearance of dewatering bucket (2), be equipped with drainage portion (207) between the thing mouth (201) of dewatering bucket (2) and out thing mouth (202), horizontal buffer board (101), Drain holes are formed in the material stirring plate (205) and the drain part (207), and the motor I (203) drives the main shaft (204) to rotate clockwise;
the polyethylene plastic particle preparation system further comprises a preparation box (4), air outlets (401), L-shaped plates (402), bases (404), sliding rods (405), sponges (408), a connecting plate (5), a material pouring plate (501), a connecting rod (502), a connecting rod I (503), a connecting rod II (504), a motor II (505) and an air heater (8), wherein the air outlets (401) are arranged at the left end and the right end of the lower end of the preparation box (4), the two L-shaped plates (402) are arranged in mirror symmetry, the two L-shaped plates (402) are fixedly connected in the preparation box (4), the preparation box (4) and each L-shaped plate (402) form a container with an upper opening, the two L-shaped plates (402) and the two air outlets (401) form a T-shaped channel, the bases (404) are fixedly connected at the front end and the rear end of the inner wall of the preparation box (4), each base (404) is fixedly connected with one sliding rod (405), and the two sliding rods (405) are positioned between the two L-shaped plates (402), the bottom end of the preparation box (4) is provided with a sponge (408), the sponge (408) is communicated with the bottom end of the preparation box (4), a connecting plate (5) is connected to two sliding rods (405) in a sliding manner, the connecting plate (5) slides up and down in the middle of two L-shaped plates (402), the left end and the right end of the connecting plate (5) are respectively hinged with a material pouring plate (501), the lower end faces of the two material pouring plates (501) are respectively contacted with the upper end faces of the two L-shaped plates (402), a connecting rod (502) is fixedly connected to the lower end of the connecting plate (5), one end of a connecting rod I (503) is hinged with the lower end of the connecting rod (502), the other end of the connecting rod I (503) is hinged with one end of a connecting rod II (504), the other end of the connecting rod II (504) is fixedly connected to an output shaft of a motor II (505), the motor II (505) is fixedly connected to one L-shaped plate (402), two hot air blowers (8) are arranged, and the two hot air blowers (8) are both arranged on the preparation box (4), the two air heaters (8) are used for respectively conveying hot air into the two air outlets (401); the discharging opening (202) is arranged right above the middle of the two L-shaped plates (402), and drainage holes are formed in the L-shaped plates (402) and the material pouring plate (501).
2. The polyethylene plastic pellet preparation system of claim 1, wherein: this polyethylene plastic granules preparation system still includes connecting box (3), delivery port (301) and water guide platform (302), the downside of connecting box (3) left end is equipped with delivery port (301), and water guide platform (302) rigid coupling is on the inner wall of connecting box (3), and the bottom and the delivery port (301) of water guide platform (302) link up, and water guide platform (302) are located drainage portion (207) under, and the upper and lower both ends of connecting box (3) rigid coupling respectively are in the lower extreme that removes cask (2) and the upper end of preparation case (4), and connecting box (3) are used for the intercommunication to remove cask (2) and preparation case (4).
3. The polyethylene plastic pellet preparation system of claim 2, wherein: this polyethylene plastic granules preparation system still includes discharge gate (406), lays mouth (407), door (6) and electric telescopic handle (601), the rear end of preparation case (4) is equipped with two discharge gates (406), the lower extreme of every L template (402) all inclines to set up and high back low before, two discharge gates (406) link up with the lower extreme of two L templates (402) respectively, door (6) set up the rear side at two discharge gates (406), lay mouth (407) and set up the rear end at preparation case (4), electric telescopic handle (601) rigid coupling just is located on preparation case (4) and lays mouth (407), electric telescopic handle (601) are used for driving door (6) to open or close in two discharge gates (406).
4. The polyethylene plastic pellet preparation system of claim 3, wherein: this polyethylene plastic granules preparation system still includes motor III (7) and spiral leaf (701), and motor III (7) are equipped with two, and two motor III (7) are all installed in the inside bottom of preparation case (4), and the output shaft of two motor III (7) rotates respectively to be connected and passes the bottom of L template (402), spiral leaf (701) of rigid coupling respectively on the output shaft of two motor III (7).
5. The polyethylene plastic pellet preparation system of claim 4, wherein: the polyethylene plastic particle preparation system further comprises an exhaust fan (303), wherein the exhaust fan (303) is installed on the connecting box (3) and used for extracting moisture or hot air in the preparation box (4).
6. The polyethylene plastic pellet preparation system of claim 5, wherein: the polyethylene plastic particle preparation system further comprises pre-supporting parts (206), each material shifting plate (205) is fixedly connected with the pre-supporting part (206), and each pre-supporting part (206) is attached to and slides with the inner end face of the water removing barrel (2).
7. The polyethylene plastic pellet preparation system of claim 6, wherein: the polyethylene plastic particle preparation system further comprises contact rollers (403), the upper ends of the two L-shaped plates (402) are respectively and rotatably connected with one contact roller (403), and the lower end faces of the two material pouring plates (501) are respectively in contact with the two contact rollers (403) and used for eliminating dry friction generated between the material pouring plates (501) and the L-shaped plates (402).
8. The method for preparing polyethylene plastic granules using the polyethylene plastic granule preparation system as set forth in claim 7, wherein the method comprises the steps of:
step 1: introducing cooling water for cooling the thermoplastic polyethylene plastic particles into the running water bucket (1);
step 2: pre-dewatering and relieving the flow rate of the water flow through a horizontal buffer plate (101);
and step 3: the polyethylene plastic particles are drained through a rotating kick-off plate (205) and are conveyed into a preparation box (4);
and 4, step 4: the hot air produced by the hot air blower (8) is combined with the rotating spiral blade (701) to quickly dry the polyethylene plastic particles in the preparation box (4).
9. Polyethylene plastic granules produced by the process for producing polyethylene plastic granules according to claim 8, characterized in that: the polyethylene plastic granules are made from polyethylene with a density of 0.945 to 0.96 g per cubic centimeter by high-pressure injection molding with a hot-melting machine.
CN202010316271.3A 2020-04-21 2020-04-21 Polyethylene plastic particle, preparation system and preparation method Active CN111331754B (en)

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CN112082333A (en) * 2020-09-27 2020-12-15 萧县徐老三食品有限公司 Drying device for tea processing and use method thereof

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