CN117261037A - Plastic particle recycling process and device - Google Patents
Plastic particle recycling process and device Download PDFInfo
- Publication number
- CN117261037A CN117261037A CN202311498411.3A CN202311498411A CN117261037A CN 117261037 A CN117261037 A CN 117261037A CN 202311498411 A CN202311498411 A CN 202311498411A CN 117261037 A CN117261037 A CN 117261037A
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- fixedly connected
- heating cylinder
- cylinder
- heating
- plastic
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- Granted
Links
- 229920003023 plastic Polymers 0.000 title claims description 59
- 239000004033 plastic Substances 0.000 title claims description 59
- 239000002245 particle Substances 0.000 title claims description 58
- 238000004064 recycling Methods 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 10
- 230000008569 process Effects 0.000 title claims description 7
- 238000001035 drying Methods 0.000 claims abstract description 52
- 239000004744 fabric Substances 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000011084 recovery Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 92
- 239000000463 material Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 10
- 238000007664 blowing Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 239000011358 absorbing material Substances 0.000 claims 1
- 229920000426 Microplastic Polymers 0.000 abstract description 44
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 7
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 7
- 241001330002 Bambuseae Species 0.000 abstract description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 7
- 239000011425 bamboo Substances 0.000 abstract description 7
- 239000008187 granular material Substances 0.000 abstract description 7
- 238000007791 dehumidification Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- -1 ethylene, propylene, chloroethylene, styrene Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a be applied to plastic granules recovery processing technology and device in plastic granules recovery field, the inside of stoving case is provided with stoving mechanism, stoving mechanism includes gear motor and stoving section of thick bamboo, through setting up buffer board, heater strip and gear motor, utilize gear motor to take a plurality of buffer boards to rotate, reverse the evacuation repeatedly to plastic granules, utilize the electromagnetic shaker, on the one hand can be through the flexible cloth that extrudees its top repeatedly, make it shake the plastic granules of its top repeatedly, make it loose more effectively avoid plastic granules to pile up, thereby improve dehumidification efficiency; on the other hand, can be through the unidirectional channel that forms between buffer board and the aiutage, let in inside with the gas of outside repeatedly, make aiutage can intermittent type nature provide gas thrust towards the feed inlet direction for the moisture discharge rate of feed inlet position, through the moisture discharge that quickens the moisture rate granule, and then improve plastic granules's drying efficiency.
Description
Technical Field
The application relates to the field of plastic particle recovery, in particular to a plastic particle recovery treatment process and a device thereof.
Background
Plastic particles are commonly called plastic particles, and are raw materials for storing, transporting and processing plastic in a semi-finished product form. The plastics are high molecular materials, and ethylene, propylene, chloroethylene, styrene and the like can be prepared by taking petroleum as a raw material, and molecules of the substances can react with each other under a certain condition to generate a compound with large molecular weight, namely a high polymer.
At present, in order to advocate green, can retrieve the recycle with some plastic granules, traditional mode is that the plastic granules of retrieving is selected and is washd again, utilizes the drying-machine to dry the plastic granules after wasing, nevertheless the stoving in-process, and the plastic granules has the insufficient problem of stoving, and the plastic granules accumulation leads to inside moisture to be difficult to discharge, lacks the mechanism that can carry out evacuation processing with plastic granules.
Therefore, there is a need for a plastic particle recycling process and apparatus thereof.
Disclosure of Invention
This application aim at solves current plastic granules stoving in-process plastic granules pile up and lead to the insufficient problem of stoving, compares prior art and provides a plastic granules recovery processing technology, its step as follows:
s1, screening: screening out redundant impurity particles;
s2, cleaning: repeatedly cleaning the recycled plastic particles;
s3, filtering: placing the cleaned plastic particles on a water filtering plate for standing for a period of time;
s4, blanking: intermittently placing the filtered plastic particles in a drying mechanism for a plurality of times;
s5, drying: and starting a drying mechanism to dry the plastic particles.
The plastic particle recycling device comprises a drying box, wherein a supporting base is fixedly connected to the bottom of the drying box, a drying mechanism is arranged in the drying box, the drying mechanism comprises a speed reducing motor and a drying cylinder, a feeding pipe is fixedly connected to the inner wall, close to the top, of the drying box, and the speed reducing motor is fixedly connected to the outside of the drying box;
the drying cylinder comprises a first heating cylinder and a second heating cylinder, the output end of the speed reducing motor is fixedly connected with the first heating cylinder, the first heating cylinder and the second heating cylinder are of double-layer structures, heating wires are arranged in the first heating cylinder and the second heating cylinder, the bottom of the feeding pipe fixedly penetrates through the second heating cylinder, the outer end of the second heating cylinder is provided with a feeding hole, a movable ring is arranged between the first heating cylinder and the second heating cylinder, the inner wall of the first heating cylinder is fixedly connected with a plurality of buffer plates which are uniformly distributed, the outer ends of the plurality of buffer plates are fixedly connected with the movable ring, and the movable ring is provided with first air inlets with the same quantity as the buffer plates;
the buffer plate comprises a plate body, wherein a plurality of pairs of flexible cloth are fixedly connected to the inner wall of the plate body, and a plurality of vibrators are fixedly connected to the inner wall of the plate body;
the inner wall of the first heating cylinder is rotationally connected with an air permeable ring, one ends of a plurality of buffer plates are fixedly connected with the air permeable ring, and the inner wall of the first heating cylinder is fixedly connected with an exhaust cylinder;
the exhaust tube comprises a heat conduction tube, a plurality of second air inlet holes and a steam blowing hole which correspond to the buffer plate are formed in the heat conduction tube, the inner cavity of the buffer plate is communicated with the first air inlet holes and the second air inlet holes through small holes, and one-way valves are arranged on the inner walls of the first air inlet holes and the second air inlet holes.
Through setting up buffer board, heater strip and gear motor, utilize gear motor to bring a plurality of buffer boards to rotate, reverse the evacuation repeatedly to plastic granules, utilize the electromagnetic shaker, on the one hand can make its flexible cloth of top through repeatedly squeezing, make it shake the plastic granules of its top repeatedly, make it loose more effectively avoid plastic granules to pile up to improve dehumidification efficiency; on the other hand, can be through the unidirectional channel that forms between buffer board and the aiutage, let in inside with the gas of outside repeatedly, make aiutage can intermittent type nature provide gas thrust towards the feed inlet direction for the moisture discharge rate of feed inlet position, through the moisture discharge that quickens the moisture rate granule, and then improve plastic granules's drying efficiency.
Further, the vibrator is located between an adjacent pair of flexible cloths, which are made of a hygroscopic material.
Further, the inner wall of the exhaust funnel is fixedly connected with a heating ring, and the steam blowing holes correspond to each other.
Further, the outer layers of the first heating cylinder and the second heating cylinder are made of heat insulation materials, the inner layers of the first heating cylinder and the second heating cylinder are made of heat conduction materials, and a layer of flexible sponge is fixedly connected to the inner walls of the first heating cylinder and the second heating cylinder.
Further, the inside of the drying cylinder is provided with a humidity sensor, the humidity sensor is electrically connected with a controller, and a plurality of heating wires and heating rings are electrically connected with the controller.
Further, the outer end fixedly connected with arc cloth of flexible cloth, the other end of arc cloth is placed on the flexible sponge that absorbent material made, is provided with the buffering ball between arc cloth and the adjacent flexible cloth.
Further, the bottom of the second heating cylinder is provided with a discharging hole, and the inner wall of the discharging hole is provided with an electromagnetic valve.
Further, the inner wall rotation of stoving case is connected with the fulcrum pole, and the outer end fixedly connected with expansion plate of fulcrum pole, the balancing weight is connected with in detachable at the top of expansion plate, the top fixedly connected with measuring cylinder of expansion plate.
Further, the measuring cylinder comprises a heat insulation cylinder, the inner bottom surface of the heat insulation cylinder is fixedly connected with a hot air blower and an inflatable bag, and the inflatable bag is wrapped outside the hot air blower.
Compared with the prior art, the advantage of this application lies in:
(1) Through setting up buffer board, heater strip and gear motor, utilize gear motor to bring a plurality of buffer boards to rotate, reverse the evacuation repeatedly to plastic granules, utilize the electromagnetic shaker, on the one hand can make its flexible cloth of top through repeatedly squeezing, make it shake the plastic granules of its top repeatedly, make it loose more effectively avoid plastic granules to pile up to improve dehumidification efficiency; on the other hand, can be through the unidirectional channel that forms between buffer board and the aiutage, let in inside with the gas of outside repeatedly, make aiutage can intermittent type nature provide gas thrust towards the feed inlet direction for the moisture discharge rate of feed inlet position, through the moisture discharge that quickens the moisture rate granule, and then improve plastic granules's drying efficiency.
(2) Through setting up the electromagnetic shaker, utilize the electromagnetic shaker can extrude its top and the flexible cloth of bottom repeatedly, make its plastics granule of shaking its top repeatedly avoid its pile up, rethread gear motor drives the buffer board and rotates, makes the granule spread along flexible sponge and come, and flexible sponge not only can cushion plastics granule but also can utilize its resistance effectively to avoid plastics granule to arrange because the speed is too fast and unordered.
(3) Because flexible cloth and flexible sponge all can carry out the moisture absorption to the plastic granules, roll the in-process at the plastic granules, constantly rub each other with flexible cloth and flexible sponge, thereby realize the effect to the plastic granules moisture absorption, last the heating to the stoving section of thick bamboo inner chamber through heater strip and heating ring, can evaporate the surface steam of plastic granules and flexible cloth and flexible sponge after the moisture absorption, steam is discharged from the feed port, again because the electromagnetic shaker shakes repeatedly, make the buffer plate inside under the effect of flexible cloth, the space increases repeatedly and reduces, thereby provide an inside thrust for the stoving section of thick bamboo, realize intermittent type nature and carry out the effect of discharging moisture to feed inlet department, accelerate inside steam emission, and then realize accelerating dehydration rate and improve drying efficiency's purpose.
(4) Through setting up humidity transducer, when humidity transducer's humidity index descends to rated value, can close the heating ring, reduce stoving section of thick bamboo inner chamber temperature to can be according to humidity index suitable regulation stoving section of thick bamboo inside temperature, when effectively avoiding dehumidifying to a certain extent, plastic granules surface moisture is less, and this moment is too high to plastic granules, will cause the damage to it.
(5) In order to cushion plastic granules, arc cloth and buffer ball have been set up, when plastic granules moves to flexible sponge from the buffer board, arc cloth and buffer ball form an arc chamfer, make things convenient for the plastic granules of corner to follow the rotation of buffer board and break away from, and plastic granules is along arc cloth landing, and the speed tends to be stable, and the range is also more orderly, and plastic granules is loose gesture roll-off to flexible sponge on, effectively avoids plastic granules to pile up, further improves plastic granules's drying efficiency.
(6) And selecting balancing weights with equal weight of the dried plastic particles in advance, when the left side is heavy, indicating that the drying is not completed completely, starting the air heater, and further dehumidifying the plastic particles by utilizing hot air to contact with the plastic particles until the balance is flat, so that the materials of the heat insulation cylinder can be poured out by means of the bent pipe.
Drawings
FIG. 1 is a general internal block diagram of the present application;
FIG. 2 is an overall external block diagram of the present application;
FIG. 3 is a schematic diagram of a drum burst structure of the present application;
FIG. 4 is a view showing the internal structure of the first heating cylinder of the present application;
FIG. 5 is a diagram of the internal structure of the exhaust stack and buffer plate of the present application;
FIG. 6 is a schematic illustration of the variation of the interior of the first cartridge heater of the present application;
FIG. 7 is a view showing the construction of the inner part of a first heating cylinder according to embodiment 3 of the present application;
FIG. 8 is a schematic view showing the variation of the interior of the first heating cylinder according to embodiment 3 of the present application;
fig. 9 is a signal transmission block diagram of embodiment 2 of the present application;
fig. 10 is a view showing the internal structure of the measuring cylinder of the present application.
The reference numerals in the figures illustrate:
1. a drying box; 2. a support base; 3. a discharge hole; 4. a drying cylinder; 41. a first heating cylinder; 42. a second heating cylinder; 43. a feed hole; 44. an exhaust pipe; 441. a heat conduction tube; 442. a steam blowing hole; 443. a second air inlet hole; 444. a heating ring; 45. a buffer plate; 451. a plate body; 452. a vibrator; 453. a flexible cloth; 46. a movable ring; 47. a first air inlet hole; 48. a heating wire; 49. a ventilation ring; 5. a speed reducing motor; 6. a feed pipe; 7. a telescoping plate; 8. balancing weight; 9. a measuring cylinder; 91. a heat insulation cylinder; 92. an air heater; 93. an inflatable bag; 10. a fulcrum bar; 11. a flexible sponge; 12. arc cloth; 13. a buffer ball; 14. and a discharging hole.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments in the present application are all within the scope of protection of the present application.
Example 1:
the application discloses a plastic particle recycling process, please refer to fig. 1-6, which comprises the following steps:
s1, screening: screening out redundant impurity particles;
s2, cleaning: repeatedly cleaning the recycled plastic particles;
s3, filtering: placing the cleaned plastic particles on a water filtering plate for standing for a period of time;
s4, blanking: intermittently placing the filtered plastic particles in a drying mechanism for a plurality of times;
s5, drying: and starting a drying mechanism to dry the plastic particles.
Referring to fig. 1-2, a plastic particle recycling device comprises a drying box 1, wherein a supporting base 2 is fixedly connected to the bottom of the drying box 1, a discharging hole is formed in the outer side of the drying box 1, a drying mechanism is arranged in the drying box 1 and comprises a speed reducing motor 5 and a drying cylinder 4, a feeding pipe 6 is fixedly connected to the inner wall, close to the top, of the drying box 1, and the speed reducing motor 5 is fixedly connected to the outer part of the drying box 1;
referring to fig. 3-4, the drying cylinder 4 includes a first heating cylinder 41 and a second heating cylinder 42, the output end of the gear motor 5 is fixedly connected with the first heating cylinder 41, the first heating cylinder 41 and the second heating cylinder 42 are both in a double-layer structure, heating wires 48 are arranged inside the first heating cylinder 41 and the second heating cylinder 42, the bottom of the feeding pipe 6 fixedly penetrates through the second heating cylinder 42, a feeding hole 43 is formed at the outer end of the second heating cylinder 42, a movable ring 46 is arranged between the first heating cylinder 41 and the second heating cylinder 42, (specifically, the movable ring 46 is fixedly connected with the first heating cylinder 41 and slides on one side of the second heating cylinder 42, the outer end of the second heating cylinder 42 is fixedly connected with a plurality of buffer plates 45 which are uniformly distributed on the inner wall of the first heating cylinder 41, the outer ends of the plurality of buffer plates 45 are fixedly connected with the movable ring 46, and the movable ring 46 is provided with first air inlets 47 which are the same as the number of the buffer plates 45;
specifically, three buffer plates 45 are provided.
The buffer board 45 comprises a board body 451, the board body 451 adopts a hollow structure, the inner wall of the board body 451 is fixedly connected with a plurality of pairs of flexible cloth 453 (flexible water absorbing rubber material is adopted), and the inner wall of the board body 451 is fixedly connected with a plurality of vibrators 452;
the inner wall of the first heating cylinder 41 is rotatably connected with an air permeable ring 49, one ends of a plurality of buffer plates 45 are fixedly connected with the air permeable ring 49, and the inner wall of the first heating cylinder 41 is fixedly connected with an exhaust cylinder 44;
referring to fig. 5, the exhaust tube 44 includes a heat conductive tube 441, the heat conductive tube 441 is provided with a plurality of second air inlets 443 corresponding to the buffer plate 45 and a blowing hole 442, the inner cavity of the buffer plate 45 is mutually communicated with the first air inlets 47 and the second air inlets 443 through small holes, and the inner walls of the first air inlets 47 and the second air inlets 443 are respectively provided with one-way valves.
The vibrator 452 is located between a pair of adjacent flexible cloths 453, and the flexible cloths 453 are made of a hygroscopic material.
The inner wall of the exhaust tube 44 is fixedly connected with a heating ring 444, and the steam blowing holes 442 correspond to each other.
The outer layers of the first heating cylinder 41 and the second heating cylinder 42 are made of heat insulation materials, the inner layers of the first heating cylinder 41 and the second heating cylinder 42 are made of heat conduction materials, and a layer of flexible sponge 11 is fixedly connected to the inner walls of the first heating cylinder 41 and the second heating cylinder 42.
Referring to fig. 6, in operation: firstly, simply dehydrated plastic particles are put into the drying cylinder 4 from the feeding pipe 6 for three times, the gear motor 5 is required to be turned off when the plastic particles are put into the drying cylinder for each time, the gear motor 5 is turned after the plastic particles are put into the drying cylinder once, finally, the rotating speed of the gear motor 5 is adjusted, and the heating wires 48 and the heating rings 444 are turned on to dry the plastic particles.
In order to ensure that plastic particles are not piled up, the vibrator 452 is started, the vibrator 452 repeatedly extrudes the flexible cloth 453 at the top and the bottom of the vibrator, the flexible cloth 453 repeatedly shakes the plastic particles above the vibrator to avoid the piling up of the plastic particles, then the particles are spread along the flexible sponge 11, and the flexible sponge 11 not only can buffer the plastic particles, but also can utilize the resistance of the flexible sponge to avoid the disordered arrangement of the plastic particles due to the excessively high speed.
Moreover, flexible cloth 453 and flexible sponge 11 all can absorb moisture to the plastic granules, in the roll process of plastic granules, constantly rub each other with flexible cloth 453 and flexible sponge 11, thereby realize the effect of moisture absorption, because heater strip 48 and heating ring 444 are continuous to the heating of stoving section of thick bamboo 4 inner chamber, can evaporate steam, steam is discharged from feed port 43, because above-mentioned a plurality of vibrators 452 shake repeatedly, the space is increased repeatedly and is reduced under the effect of flexible cloth 453 inside buffer board 45, thereby provide a thrust for stoving section of thick bamboo 4, (because there is the check valve in first inlet port 47 and the inside of second inlet port 443, when flexible cloth 453 is propped up, external gas gets into inside the flexible cloth, when flexible cloth 453 resumes the original state, gas is discharged from exhaust stack 44) accelerate inside steam discharge, and then realize accelerating dehydration rate and improvement stoving efficiency's purpose.
Example 2:
referring to fig. 9, embodiment 2 differs from embodiment 1 in that the following technical features are added: the inside of the drying cylinder 4 is provided with a humidity sensor, the humidity sensor is electrically connected with a controller, and the plurality of heating wires 48 and the heating rings 444 are electrically connected with the controller.
Since the moist plastic particles just start to dry, enough heat is needed to assist in dehumidification, but when dehumidification is to a certain extent, the surface moisture of the plastic particles is less, and if the moist plastic particles are just dried at the beginning, the risk of damaging the plastic particles exists, so that a humidity sensor can be arranged, and when the humidity index of the humidity sensor is reduced to a rated value, the heating ring 444 can be closed, so that the temperature of the inner cavity of the drying cylinder 4 is reduced.
Example 3:
referring to fig. 7-8, embodiment 3 differs from embodiment 1 in that the following technical features are added: the outer end fixedly connected with arc cloth 12 of flexible cloth 453, the other end and the flexible sponge 11 contact connection that the hygroscopic material was made of arc cloth 12 are provided with buffering ball 13 between arc cloth 12 and the adjacent flexible cloth 453.
In order to cushion plastic granules, arc cloth 12 has been set up, when plastic granules moves on flexible sponge 11 from buffer board 45, arc cloth 12 and buffering ball 13 form an circular-arc chamfer, make things convenient for the plastic granules of corner to follow the rotation of buffer board 45 and break away from, and plastic granules is along arc cloth 12 landing, and the speed tends to be stable, and the range is also more orderly, and plastic granules is loose gesture roll-off to flexible sponge 11 on, effectively avoids plastic granules accumulation.
Example 4:
referring to fig. 10, embodiment 4 differs from embodiment 1 in that the following technical features are added: the bottom of the second heating cylinder 42 is provided with a discharge hole 14, and the inner wall of the discharge hole 14 is provided with an electromagnetic valve; the inner wall of the drying box 1 is rotationally connected with a fulcrum rod 10, the outer end of the fulcrum rod 10 is fixedly connected with a telescopic plate 7, the top of the telescopic plate 7 is detachably connected with a balancing weight 8, and the top of the telescopic plate 7 is fixedly connected with a measuring cylinder 9; the measuring cylinder 9 comprises a heat insulation cylinder 91, wherein an air heater 92 and an air inflation bag 93 are fixedly connected to the inner bottom surface of the heat insulation cylinder 91, and the air inflation bag 93 is wrapped outside the air heater 92.
A circular hole is formed in the outer end of the heat insulation cylinder 91, and an electromagnetic valve is also arranged on the inner wall of the circular hole.
Because it is difficult to see whether the plastic particles are completely dried thoroughly or not by naked eyes, the plastic particles need to be subjected to mass measurement, a balance is arranged for more conveniently finding whether the plastic particles are dried thoroughly or not, balancing weights with the same weight as the dried plastic particles are selected in advance, when the left side is heavy, the air heater 92 is started, hot air is used for contacting the plastic particles, the plastic particles are further dehumidified until the balance is leveled, and the materials of the heat insulation cylinder 91 can be poured out by virtue of the bent pipe.
The foregoing description is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, within the scope of the present application, should apply to the present application, and all changes and modifications as fall within the scope of the present application.
Claims (10)
1. The plastic particle recovery treatment process is characterized by comprising the following steps of:
s1, screening: screening out redundant impurity particles;
s2, cleaning: repeatedly cleaning the recycled plastic particles;
s3, filtering: placing the cleaned plastic particles on a water filtering plate for standing for a period of time;
s4, blanking: the plastic particles after filtering water are intermittently placed in a drying box (1) for a plurality of times;
s5, drying: and starting a drying mechanism to dry the plastic particles.
2. The plastic particle recycling device comprises a drying box (1), wherein a supporting base (2) is fixedly connected to the bottom of the drying box (1), and is characterized in that a drying mechanism is arranged in the drying box (1) and comprises a speed reducing motor (5) and a drying cylinder (4), a feeding pipe (6) is fixedly connected to the inner wall, close to the top, of the drying box (1), and the speed reducing motor (5) is fixedly connected to the outside of the drying box (1);
the drying cylinder (4) comprises a first heating cylinder (41) and a second heating cylinder (42), the output end of the speed reducing motor (5) is fixedly connected with the first heating cylinder (41), the first heating cylinder (41) and the second heating cylinder (42) are of double-layer structures, heating wires (48) are arranged inside the heating cylinders, the bottom of the feeding pipe (6) is fixedly penetrated into the second heating cylinder (42), the outer end of the second heating cylinder (42) is provided with a feeding hole (43), a movable ring (46) is arranged between the first heating cylinder (41) and the second heating cylinder (42), a plurality of buffer plates (45) which are uniformly distributed are fixedly connected to the inner wall of the first heating cylinder (41), the outer ends of the buffer plates (45) are fixedly connected with the movable ring (46), and the movable ring (46) is provided with first air inlets (47) the same as the buffer plates (45) in number;
the buffer plate (45) comprises a plate body (451), wherein a plurality of pairs of flexible cloth (453) are fixedly connected to the inner wall of the plate body (451), and a plurality of vibrators (452) are fixedly connected to the inner wall of the plate body (451);
an air permeable ring (49) is rotatably connected to the inner wall of the first heating cylinder (41), one ends of the buffer plates (45) are fixedly connected with the air permeable ring (49), and an exhaust cylinder (44) is fixedly connected to the inner wall of the first heating cylinder (41);
the exhaust funnel (44) comprises a heat conduction barrel (441), a plurality of second air inlets (443) corresponding to the buffer plate (45) and a steam blowing hole (442) are formed in the heat conduction barrel (441), the inner cavity of the buffer plate (45) is mutually communicated with the first air inlets (47) and the second air inlets (443) through small holes, and one-way valves are arranged on the inner walls of the first air inlets (47) and the second air inlets (443).
3. A plastic particle recycling apparatus according to claim 2, wherein said vibrator (452) is located between an adjacent pair of flexible cloths (453), said flexible cloths (453) being made of a hygroscopic material.
4. A plastic particle recycling apparatus according to claim 3, wherein the inner wall of the exhaust funnel (44) is fixedly connected with a heating ring (444), and the air blowing holes (442) correspond to each other.
5. The plastic particle recycling device according to claim 4, wherein the outer layers of the first heating cylinder (41) and the second heating cylinder (42) are made of heat insulation materials, the inner layers of the first heating cylinder (41) and the second heating cylinder (42) are made of heat conduction materials, and a layer of flexible sponge (11) is fixedly connected to the inner walls of the first heating cylinder (41) and the second heating cylinder (42).
6. The plastic particle recycling device according to claim 2, wherein a humidity sensor is arranged in the drying cylinder (4), the humidity sensor is electrically connected with a controller, and the heating wires (48) and the heating rings (444) are electrically connected with the controller.
7. The plastic particle recycling device according to claim 5, wherein the outer end of the flexible cloth (453) is fixedly connected with an arc-shaped cloth (12), the other end of the arc-shaped cloth (12) is placed on a flexible sponge (11) made of a moisture-absorbing material, and a buffer ball (13) is arranged between the arc-shaped cloth (12) and the adjacent flexible cloth (453).
8. The plastic particle recycling device according to claim 7, wherein the bottom of the second heating cylinder (42) is provided with a discharge hole (14), and the inner wall of the discharge hole (14) is provided with an electromagnetic valve.
9. The plastic particle recycling device according to claim 8, wherein the inner wall of the drying box (1) is rotatably connected with a fulcrum rod (10), the outer end of the fulcrum rod (10) is fixedly connected with a telescopic plate (7), the top of the telescopic plate (7) is detachably connected with a balancing weight (8), and the top of the telescopic plate (7) is fixedly connected with a measuring cylinder (9).
10. The plastic particle recycling device according to claim 9, wherein the measuring cylinder (9) comprises a heat insulation cylinder (91), an air heater (92) and an air inflation bag (93) are fixedly connected to the inner bottom surface of the heat insulation cylinder (91), and the air inflation bag (93) is wrapped outside the air heater (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311498411.3A CN117261037B (en) | 2023-11-13 | 2023-11-13 | Plastic particle recycling process and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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