CN109129997B - Full-automatic regenerated plastic granulation production line - Google Patents
Full-automatic regenerated plastic granulation production line Download PDFInfo
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- CN109129997B CN109129997B CN201811239350.8A CN201811239350A CN109129997B CN 109129997 B CN109129997 B CN 109129997B CN 201811239350 A CN201811239350 A CN 201811239350A CN 109129997 B CN109129997 B CN 109129997B
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- auger
- defoaming
- plastic
- particle
- feeding
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- 229920003023 plastic Polymers 0.000 title claims abstract description 113
- 239000004033 plastic Substances 0.000 title claims abstract description 113
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 238000005469 granulation Methods 0.000 title claims abstract description 10
- 230000003179 granulation Effects 0.000 title claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 83
- 239000000428 dust Substances 0.000 claims abstract description 55
- 239000000463 material Substances 0.000 claims abstract description 52
- 238000007599 discharging Methods 0.000 claims abstract description 31
- 239000000155 melt Substances 0.000 claims abstract description 27
- 238000002156 mixing Methods 0.000 claims abstract description 21
- 239000000498 cooling water Substances 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 238000009826 distribution Methods 0.000 claims abstract description 11
- 238000012216 screening Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 44
- 239000002699 waste material Substances 0.000 claims description 24
- 238000001816 cooling Methods 0.000 claims description 18
- 238000001125 extrusion Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 238000000746 purification Methods 0.000 claims description 9
- 238000007605 air drying Methods 0.000 claims description 4
- 239000002518 antifoaming agent Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008929 regeneration Effects 0.000 claims description 3
- 238000011069 regeneration method Methods 0.000 claims description 3
- 238000005453 pelletization Methods 0.000 claims 1
- 239000000779 smoke Substances 0.000 abstract description 26
- 238000011068 loading method Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920000426 Microplastic Polymers 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000013502 plastic waste Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004597 plastic additive Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000008188 pellet Substances 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
- 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
- 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
-
- 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
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)
Abstract
The invention discloses a full-automatic regenerated plastic granulating production line, which comprises a feed box and is characterized in that: the material box is connected with a material distribution box through a material loading auger, the material loading auger is electrically connected with a full box anti-overflow device, and the material distribution box is sequentially connected with a constant-speed discharging device, a first pushing auger, a melt filtering device, a melt connecting pipe, a defoaming mixing hopper, a second pushing auger, a plastic extruding device, a cooling water tank, a dewatering device, a particle forming machine, a particle screening device, a particle collecting device and a particle collecting hopper. The invention has reasonable and compact structure, so that the regenerated plastic granulation production line can basically realize automatic production, manual intervention is not needed basically, manual labor can be reduced greatly, dust emission and smoke emission can be reduced better by the omnibearing dust collection, emission reduction and filtration arrangement, and high-quality regenerated plastic particles can be produced cleanly.
Description
Technical Field
The invention relates to the field of recycled plastic processing machinery, in particular to a full-automatic recycled plastic granulating production line.
Background
The regenerated plastic particles are plastic particles which are produced by recycling used new materials or waste plastics through a screw machine and then cutting the plastic particles into particles through a granulator.
The regenerated plastic particles are classified according to different raw materials and the characteristics of the processed plastic particles, and are generally classified into a first material, a second material and a third material, and the quality of the materials is sequentially reduced. Wherein, the three-level material is particles which are processed by using the raw materials for two or more times, and the elasticity, the toughness and the like of the particles are not good. The three-level material is derived from industrial and domestic plastic waste, and can be reused by recycling plastic waste which is not found in life into particles. Although the application range of the three-level material is limited, the plastic pollution degree in society can be obviously reduced, and the resource waste is reduced. The three-stage material is derived from industrial or living plastic waste, and needs to be subjected to preliminary screening, large-block sundries are removed, and then the three-stage material is crushed into plastic fragments for the next granulation. On the one hand, plastic recycling is an environmental protection and low-energy consumption social requirement, on the other hand, pure artificial feeding is carried out on the traditional regenerated plastic particle production line, a large amount of dust can be raised in the feeding process of a large amount of waste recovered plastic particles, the dust comes from dust and tiny plastic particles generated in the crushing process, and the raised dust is easily and directly inhaled by workers, so that the health of the workers is greatly damaged, and the environment is also greatly polluted. The industry needs a full-automatic regenerated plastic granulation production line which can reduce manual operation as much as possible, raise dust and clean and produce regenerated plastic particles.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a full-automatic recycled plastic granulation production line which can reduce manual operation, raise dust and clean and produce recycled plastic particles.
The aim of the invention is achieved by the following technical measures:
full-automatic regeneration plastic granulation production line, including the workbin, its characterized in that: the utility model discloses a particle collecting device, including feed box, material loading auger electricity is connected with full case anti-overflow device, full case anti-overflow device sets up in material loading auger upper portion, material loading auger lower part is connected with constant speed unloader, constant speed unloader lower part is connected with first propulsion auger, the cover is equipped with first constant temperature heating device on the first propulsion auger, first propulsion auger exit is connected with melt filter equipment, melt filter equipment is connected with the melt connecting pipe, the cover is equipped with connecting pipe constant temperature equipment on the melt connecting pipe, be connected with defoaming mixing hopper on the melt connecting pipe, be equipped with defoaming interpolation device on the defoaming mixing hopper, defoaming mixing hopper lower extreme is connected with the second propulsion auger, the cover is equipped with double control constant temperature equipment on the second propulsion auger exit is connected with plastics extrusion device, plastics extrusion device is connected with the cooling basin, the cooling basin is connected with the device, the dehydrating device is connected with the particle forming machine, the screening particle forming machine is connected with the particle collecting device, particle collecting device is connected with particle collecting device.
As a specific preferred mode, the device further comprises a smoke dust collecting and purifying device, the smoke dust collecting and purifying device comprises a smoke dust fan, a smoke dust purifying device and a plurality of dust suction hoods, the smoke dust fan is connected with the smoke dust purifying device and the dust suction hoods through dust suction pipes, and the dust suction hoods are at least arranged at one or more of a material separating box, the middle part of a first pushing auger, a defoaming mixing hopper, the middle part of a second pushing auger and a plastic extruding device. The middle part of the first propulsion auger and the middle part of the second propulsion auger are respectively provided with smoke exhaust holes, and smoke generated by the melted plastics is discharged to the dust hood through the smoke exhaust holes and is collected and purified by the smoke collecting and purifying device. The dust hood is arranged at each structure position on the production line, which is provided with dust generation and overflow, and the dust fan sucks the dust exhausted by each device on the production line through the dust hood and purifies the dust through the dust purifying device, so that the whole production line reaches high environmental protection standard, green environmental protection production is realized, and the environment is truly protected. The smoke purification device adopts the purification equipment sold in the market at present, and the specific structure is known technology and is not repeated.
As a specific preferred mode, the full case anti-overflow device comprises a vertical plate and a distance sensor, wherein the vertical plate is hinged to a vertical plate hinge, the vertical plate hinge is arranged on a material distribution box through a bracket, the lower part of the vertical plate is positioned between the center of the material distribution box and the inner wall of the material distribution box, the distance sensor is correspondingly arranged with the vertical plate, and the distance sensor senses that the vertical plate moves and then sends information to feed the auger to stop feeding.
As a specific preferred mode, the constant-speed discharging device comprises a discharging auger and a discharging stepping motor for driving the discharging auger, wherein the inlet of the discharging auger is communicated with the outlet of the lower part of the material dividing box, the outlet of the discharging auger is communicated with the inlet of the first pushing auger, and the discharging auger drives plastics to enter the first pushing auger at a constant speed.
As a specific preferred mode, melt filter equipment includes the filter body, the filter body includes first casing and second casing, be equipped with the material chamber between first casing and the second casing, the material intracavity is equipped with the filter, the filter is with material chamber interval for getting into chamber and discharge chamber, get into chamber and first auger export intercommunication, discharge chamber and melt connecting pipe intercommunication, get into the intracavity and be equipped with the melt and extrude the wheel, the melt is extruded the wheel and is promoted the plastics that melt and pass the filter and get into discharge chamber, melt is extruded the wheel transmission and is connected with and extrude wheel driving motor, get into chamber lower part and be connected with the waste residue discharge pipe, be equipped with waste residue discharge switch on the waste residue discharge pipe, the cover is equipped with waste residue constant temperature equipment on the waste residue discharge pipe. The molten plastic is pushed into the inlet cavity by the first pushing auger, the molten plastic is further extruded by the molten plastic extruding wheel, the molten plastic is extruded to the discharge cavity through the filter plate, mixed non-molten particles in the plastic are blocked by the filter plate and pushed and deposited into the waste residue discharge pipe at the lower part, and when more non-molten particles and residues in the waste residue discharge pipe are present, the waste residue discharge switch is opened to discharge the residues. The filtered plastic is more uniform and clean, the quality of the finished product is higher, and the quality of the product is greatly improved.
As a specific preferred mode, the defoaming adding device comprises a quantitative feeding device, a defoaming particle hopper and a defoaming material pipe, wherein the quantitative feeding device comprises a feeder and a defoaming feeding stepping motor, the inlet of the feeder is communicated with the outlet of the defoaming particle hopper, the outlet of the feeder is communicated with the defoaming material pipe, the defoaming material pipe is communicated with the defoaming material mixing hopper, a feeding wheel is sleeved in the feeder, and the defoaming feeding stepping motor drives the feeding wheel to rotate at a constant speed to release a defoaming agent into the defoaming material mixing hopper. The melted plastics are mixed into defoaming particles through a defoaming mixing hopper, so that the quality of the plastics can be improved, and the gas in the plastics can be eliminated. The defoaming particles are a plastic additive commonly used at present, and the internal structure of the feeder is a known technology and is not repeated.
As a specific preferable mode, the double-control constant temperature device comprises a second heating device and a water-cooling constant temperature device, the second heating device comprises a plurality of annular heaters, the water-cooling constant temperature device comprises a plurality of annular water jackets, the annular water jackets and the annular heaters are alternately sleeved on the second propulsion auger at intervals, the annular water jackets are connected with a circulating water pump and a cooling water tank through pipelines, and the circulating water pump drives cooling water to circulate between the annular water jackets and the cooling water tank. The second heating device and the water cooling constant temperature device in the double-control constant temperature device respectively correspond to different working time periods, during normal assembly line operation, the second pushing auger pushes plastics to be extruded by the plastic extrusion device to form plastic strips, the auger can generate a large amount of heat due to serious pressure and friction, the temperature of the plastics can be further increased, gas in the plastics is separated out, the plastics are denatured and the quality is seriously reduced, circulating water in the annular water jacket is used for cooling, the temperature of the plastics in the auger is maintained at the most proper temperature, the quality of the plastics is greatly improved, and the product quality is improved. When the production line is about to start working from a cooling state, the residual plastic in the auger can prevent the equipment from being started smoothly, and the equipment is easier to start due to the fact that the second heating device heats the equipment to the plastic melting temperature.
As a specific preferred mode, the water removing device comprises a water removing groove, water absorbing blocks are respectively arranged at two ends of the water removing groove, the water absorbing blocks protrude out of the bottom surface of the water removing groove, a vibrating roller is arranged in the middle of the water removing groove and connected with a vibrating driving motor, striking protrusions protruding out of the surface are arranged on the periphery of the vibrating roller, and an air drying device is arranged at one end of the water removing groove, facing the particle forming machine. The plastic strips extruded by the plastic extrusion device fall into a cooling water tank for cooling and forming, the temperature of the formed plastic strips obviously drops in the process of passing through the cooling water tank, but the plastic strips are stained with water to influence the casting processing and use of finished product particles. The plastic strip of preliminary adsorbed water through the water absorption block can meet the vibration roller, and the pivoted vibration roller forms vibrations through the striking protruding continuous striking plastic strip of striking on surface, shakes remaining water on the plastic strip and falls, and when adsorbing remaining water again through the water absorption block at last, air-dries the device through quick bloies, thoroughly air-dries the plastic strip, and the plastic strip that gets into the granule make-up machine does not have water completely. The plastic strips entering the dewatering device still have a high temperature, typically up to 50-70 ℃, soft texture and do not break in the shock of the impact. The invention adopts the dewatering device to obviously improve the quality of finished product particles and the quality of finished products.
As a specific preferred mode, the particle screening device comprises a vibrating screen, a screen hole for allowing plastic particles to pass through is formed in the vibrating screen, the vibrating screen is arranged on an elastic support, a vibrating motor is arranged on the vibrating screen, a receiving tray is arranged below the vibrating screen, the bottom height of the receiving tray is reduced from one end close to a particle forming machine to the far end, and a discharge hole is formed in one end with lower height of the receiving tray.
As a specific preferred mode, the particle collecting device comprises a blower, the blower is connected with a wind power feeding pipe, a receiving hopper is arranged below a discharge hole of the receiving tray, a lower opening of the receiving hopper is communicated with the wind power feeding pipe, and the tail end of the wind power feeding pipe points to the inside of the particle collecting hopper. The particle collecting hopper side is equipped with the discharging pipe, places ton bag through receiving the material support, and the discharging pipe is directional ton bag, and the wind-force blows plastic granules and gets into the particle collecting hopper, through buffering in the particle collecting hopper after its inner wall slide into ton bag through the discharging pipe, just can avoid the wind-force to blow the granule spring that leads to and fly in disorder to the plastics granule of making is retrieved in the completion, avoids the loss extravagant.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the advantages that: the invention discloses a full-automatic regenerated plastic granulation production line, which basically realizes automatic production through a reasonable and compact structure, basically does not need manual intervention, can greatly reduce manpower, and can better reduce dust emission and smoke emission due to the omnibearing dust collection, emission reduction and filtration arrangement, and can clean and produce high-quality regenerated plastic particles.
The invention is further described below with reference to the drawings and the detailed description.
Drawings
FIG. 1 is a schematic structural view of a fully automatic recycled plastic pelleting production line of the invention.
Fig. 2 is a schematic structural view of the full-tank anti-overflow device on the material separating tank in the normal operation state.
Fig. 3 is a schematic structural view of a full-tank anti-overflow device on a material distribution tank in the feeding stop state.
Fig. 4 is a schematic structural diagram of the constant-speed blanking device in the invention.
FIG. 5 is a schematic view of a frit filtering apparatus according to the present invention.
FIG. 6 is a schematic diagram of the defoaming adding apparatus according to the present invention.
FIG. 7 is a schematic view of the structure of the dewatering apparatus according to the present invention.
FIG. 8 is a schematic view of the structure of a vibrator roll of the dewatering apparatus of the present invention.
FIG. 9 is a schematic view showing the structure of the particle screening apparatus of the present invention.
Detailed Description
Examples: as shown in fig. 1 to 9, the full-automatic regeneration plastic granulation production line comprises a feed box 1, the feed box 1 is connected with a distribution box 3 through a feeding auger 2, the feeding auger 2 is electrically connected with a full box anti-overflow device 31, the full box anti-overflow device 31 is arranged on the upper portion of the distribution box 3, the lower portion of the distribution box 3 is connected with a constant-speed blanking device 6, the lower portion of the constant-speed blanking device 6 is connected with a first propulsion auger 7, a first constant-temperature heating device 8 is sleeved on the first propulsion auger 7, a melt filtering device 9 is connected to an outlet of the first propulsion auger 7, the melt filtering device 9 is connected with a melt connecting pipe 10, a connecting pipe constant-temperature device 11 is sleeved on the melt connecting pipe 10, a defoaming mixing hopper 12 is connected to the melt connecting pipe 10, a defoaming adding device 13 is arranged on the defoaming mixing hopper 12, the lower end of the defoaming mixing hopper 12 is connected with a second propulsion auger 14, a double-control constant-temperature device 17 is arranged on the second propulsion auger 14, a second propulsion device 14 is sleeved with a plastic particle collecting device 21, a water cooling device 21 is connected to a water tank 23, a plastic particle cooling device is connected to a water tank 20, a particle filtering device is connected to a particle collecting device is connected to the plastic particle cooling device 23, and a particle filtering device is connected to a water tank 20.
In this embodiment, the production line further includes a smoke dust collecting and purifying device, the smoke dust collecting and purifying device includes a smoke dust fan, a smoke dust purifying device and a plurality of dust hoods 4, the smoke dust fan is connected with the smoke dust purifying device and the dust hoods 4 through dust suction pipes 5, and the dust hoods 4 are at least arranged in the middle parts of the material separating box 3, the first pushing auger 7, the defoaming mixing hopper 12, the second pushing auger 14 and the plastic extruding device 18. The middle part of the first propulsion auger 7 and the middle part of the second propulsion auger 14 are respectively provided with smoke exhaust holes, and smoke generated by melted plastics is discharged to the dust hood 4 through the smoke exhaust holes and is collected and purified by the smoke collecting and purifying device. The dust hood 4 is arranged at each structure position on the production line, which is provided with dust generation and overflow, and the dust fan sucks the dust exhausted by each device on the production line through the dust hood 4 and purifies the dust through the dust purifying device, so that the whole production line reaches high environmental protection standard, green environmental protection production is realized, and the environment is truly protected. The smoke purification device adopts the purification equipment sold in the market at present, and the specific structure is known technology and is not repeated. The smoke blower and smoke purification device are not shown in the drawings.
As shown in fig. 2 and 3, the full-tank overflow preventing device 31 includes a vertical plate 311 and a distance sensor 312, the vertical plate 311 is hinged to a vertical plate hinge shaft 313, the vertical plate hinge shaft 313 is arranged on the material separating tank 3 through a bracket, the lower portion of the vertical plate 311 is positioned between the center and the inner wall of the material separating tank 3, the distance sensor 312 is correspondingly installed with the vertical plate 311, and the distance sensor 312 senses that the vertical plate 311 moves and then sends out information to stop feeding the material feeding auger 2.
As shown in fig. 4, the constant-speed blanking device 6 comprises a blanking auger 61 and a blanking stepping motor 62 for driving the blanking auger 61, wherein an inlet of the blanking auger 61 is communicated with an outlet at the lower part of the distribution box 3, an outlet of the blanking auger 61 is communicated with an inlet of the first pushing auger 7, and the blanking auger 61 pushes plastics into the first pushing auger 7 at a constant speed. The helical blades in the first propulsion auger 7 are not shown in the drawings.
As shown in fig. 5, the melt filtering device 9 includes a filter body, the filter body includes a first shell 91 and a second shell 92, a material cavity 93 is provided between the first shell 91 and the second shell 92, a filter plate 94 is provided in the material cavity 93, the filter plate 94 separates the material cavity into an inlet cavity and an outlet cavity, the inlet cavity is communicated with the outlet of the first pushing auger 7, the outlet cavity is communicated with the melt connecting pipe 10, a melt extrusion wheel 95 is provided in the inlet cavity, the melt extrusion wheel 95 pushes melted plastic to pass through the filter plate 94 and enter the outlet cavity, the melt extrusion wheel 95 is in transmission connection with an extrusion wheel driving motor 97, the extrusion wheel driving motor 97 is connected with the melt extrusion wheel 95 through a speed reducer 96, a waste residue discharging pipe 98 is connected to the lower part of the inlet cavity, a waste residue discharging switch 100 is provided on the waste residue discharging pipe 98, and a waste residue constant temperature device 99 is sleeved on the waste residue discharging pipe 98. The melted plastic is pushed into the inlet cavity by the first pushing auger 7, the melted plastic is further extruded by the melting extrusion wheel 95, the melted plastic is extruded to the discharge cavity through the filter plate 94, and the mixed non-melted particles in the plastic are blocked by the filter plate 94 and pushed and deposited into the lower waste residue discharge pipe 98, when the non-melted particles in the waste residue discharge pipe 98 are more, the waste residue discharge switch 100 is opened, and the residues are discharged. The filtered plastic is more uniform and clean, the quality of the finished product is higher, and the quality of the product is greatly improved.
As shown in fig. 6, the defoaming adding device 13 includes a quantitative feeding device 132, a defoaming particle hopper 131 and a defoaming pipe 133, the quantitative feeding device 132 includes a feeder and a defoaming feeding stepping motor, the inlet of the feeder is communicated with the outlet of the defoaming particle hopper 131, the outlet of the feeder is communicated with the defoaming pipe 133, the defoaming pipe 133 is communicated with the defoaming mixing hopper 12, a feeding wheel is sleeved in the feeder, and the defoaming feeding stepping motor drives the feeding wheel to rotate at a constant speed to release the defoaming agent into the defoaming mixing hopper 12. The melted plastics are mixed into defoaming particles through the defoaming mixing hopper 12, so that the quality of the plastics can be improved, and the gases in the plastics can be eliminated. The defoaming particles are a plastic additive commonly used at present, and the internal structure of the feeder is a known technology and is not repeated.
As shown in fig. 1, the dual-control constant temperature device 17 comprises a second heating device and a water-cooling constant temperature device, the second heating device 15 comprises a plurality of annular heaters 15, the water-cooling constant temperature device comprises a plurality of annular water jackets 16, the annular water jackets 16 and the annular heaters 15 are alternately sleeved on the second propulsion auger 14 at intervals, a circulating water pump and a cooling water tank are connected with the annular water jackets 16 in a pipeline manner, and the circulating water pump drives cooling water to circulate between the annular water jackets 16 and the cooling water tank. The second heating device and the water cooling constant temperature device in the double-control constant temperature device 17 respectively correspond to different working time periods, during normal assembly line operation, the second pushing auger 14 pushes plastics to be extruded by the plastic extrusion device 18 to form plastic strips, and the auger generates a large amount of heat due to serious pressure and friction, so that the temperature of the plastics is further increased, gas in the plastics is separated out, the plastics are denatured and the quality is seriously reduced. When the production line is about to start working from a cooling state, the residual plastic in the auger can prevent the equipment from being started smoothly, and the equipment is easier to start due to the fact that the annular heater 15 of the second heating device heats the equipment to the plastic melting temperature.
As shown in fig. 7 and 8, the dewatering device 20 includes a dewatering tank 201, the dewatering tank 201 is disposed on a dewatering tank frame 202, two ends of the dewatering tank 201 are respectively provided with water absorption blocks 203 with water absorption effect, the water absorption blocks 203 protrude from the bottom surface of the dewatering tank 201, a vibration roller 204 is disposed in the middle of the dewatering tank 201, the vibration roller 204 is connected with a vibration driving motor 204, a striking protrusion 205 protruding from the surface is disposed on the periphery of the vibration roller 204, and an air drying device 206 is disposed at one end of the dewatering tank 201 facing the particle forming machine 21. The plastic strips extruded by the plastic extrusion device 18 fall into the cooling water tank 19 for cooling and forming, the temperature of the formed plastic strips obviously drops in the process of passing through the cooling water tank 19, but the plastic strips are stained with water to influence the casting processing of finished product particles, and the water on the plastic strips can be completely removed by adopting the water removal device 20, so that the quality of the finished product plastic particles is improved. The plastic strip that preliminary adsorbs water through the water absorption block 203 can meet the vibration roller 204, and the pivoted vibration roller 204 forms vibrations through the continuous striking plastic strip of striking protruding 205 on surface, shakes remaining water on the plastic strip off, and when adsorbing remaining water again through the water absorption block 203 at last, air-drying device 206 is through quick blowing, thoroughly air-dries the plastic strip, and the plastic strip that gets into particle former 21 has not had water completely. The plastic strip entering the dewatering device 20 is still at a relatively high temperature, typically up to 50-70 c, and is soft in texture and does not break in the shock of the blow. The use of the dewatering device 20 of the present invention can significantly improve the quality of the finished pellets and the quality of the finished product.
As shown in fig. 9, the particle screening apparatus 22 includes a vibrating screen 221, the vibrating screen 221 is provided with a screen hole for allowing plastic particles to pass through, the vibrating screen 221 is arranged on an elastic support 222, the vibrating screen 221 is provided with a vibrating motor 223, a receiving tray 224 is arranged below the vibrating screen 221, the heights of the vibrating screen 221 and the bottom of the receiving tray 224 are reduced from one end close to the particle forming machine 21 to the far end, and a discharge hole is arranged at the lower end of the receiving tray 224.
As shown in fig. 9, the particle collecting apparatus 23 includes a blower 231, the blower 231 is connected with a wind power feeding pipe 232, a receiving hopper 233 is disposed below the discharge hole of the receiving tray 224, a lower opening of the receiving hopper 233 is communicated with the wind power feeding pipe 232, and a tail end of the wind power feeding pipe 232 is directed to the inside of the particle collecting hopper 24. The particle collecting hopper 24 side is equipped with the discharging pipe, places ton bag through receiving the material support, and the discharging pipe is directional ton bag, and wind-force blows plastic granules and gets into particle collecting hopper 24, through buffering in particle collecting hopper 24 after its inner wall slide into ton bag through the discharging pipe, just can avoid the granule spring and the messy fly that wind-force blows to whole plastic granules who makes of retrieving avoids the loss extravagant.
Claims (5)
1. Full-automatic regeneration plastic granulation production line, including the workbin, its characterized in that: the feeding auger is electrically connected with a full-box anti-overflow device, the full-box anti-overflow device is arranged on the upper portion of the feeding auger, the lower portion of the feeding auger is connected with a constant-speed discharging device, the lower portion of the constant-speed discharging device is connected with a first propelling auger, the first propelling auger is sleeved with a first constant-temperature heating device, the outlet of the first propelling auger is connected with a melt filtering device, the melt filtering device is connected with a melt connecting pipe, the melt connecting pipe is connected with a defoaming mixing hopper, the defoaming mixing hopper is provided with a defoaming adding device, the lower end of the defoaming mixing hopper is connected with a second propelling auger, the second propelling auger is sleeved with a double-control constant-temperature device, the outlet of the second propelling auger is connected with a plastic extruding device, the plastic extruding device is connected with a cooling water tank, the cooling water tank is connected with a dewatering device, the dewatering device is connected with a particle forming machine, the particle forming machine is connected with a particle screening device, the particle screening device is connected with a particle collecting device, and the particle collecting device is connected with a particle collecting device;
the full box overflow preventing device comprises a vertical plate and a distance sensor, wherein the vertical plate is hinged to a vertical plate winch shaft, the vertical plate winch shaft is arranged on a material separating box through a bracket, the lower part of the vertical plate is positioned between the center of an upper opening of the material separating box and the inner wall of the material separating box, the distance sensor is correspondingly arranged with the vertical plate, and the distance sensor senses that the vertical plate moves and then sends out information to feed the auger to stop feeding;
the melt filtering device comprises a filter body, wherein the filter body comprises a first shell and a second shell, a material cavity is arranged between the first shell and the second shell, a filter plate is arranged in the material cavity, the filter plate separates the material cavity into an inlet cavity and an outlet cavity, the inlet cavity is communicated with a first pushing auger outlet, the outlet cavity is communicated with a melt connecting pipe, a melt extrusion wheel is arranged in the inlet cavity, the melt extrusion wheel pushes melted plastic to pass through the filter plate and enter the outlet cavity, the melt extrusion wheel is in transmission connection with an extrusion wheel driving motor, the lower part of the inlet cavity is connected with a waste residue discharging pipe, a waste residue discharging switch is arranged on the waste residue discharging pipe, and a waste residue constant temperature device is sleeved on the waste residue discharging pipe;
the double-control constant temperature device comprises a second heating device and a water-cooling constant temperature device, the second heating device comprises a plurality of annular heaters, the water-cooling constant temperature device comprises a plurality of annular water jackets, the annular water jackets and the annular heaters are alternately sleeved on a second propulsion auger at intervals, a circulating water pump and a cooling water pool are connected to the annular water jacket pipeline, and the circulating water pump drives cooling water to circulate between the annular water jackets and the cooling water pool;
the device comprises a dust collection and purification device, a dust collection and purification device and a plurality of dust hoods, wherein the dust collection and purification device comprises a dust fan, the dust purification device and the dust hoods which are connected through dust collection pipes, and the dust hoods are at least arranged at one or more positions of a material distribution box, the middle part of a first pushing auger, a defoaming mixing hopper, the middle part of a second pushing auger and a plastic extrusion device;
the constant-speed discharging device comprises a discharging auger and a discharging stepping motor for driving the discharging auger, wherein the inlet of the discharging auger is communicated with the outlet of the lower part of the distributing box, the outlet of the discharging auger is communicated with the inlet of the first pushing auger, and the discharging auger drives plastics to enter the first pushing auger at a constant speed.
2. The fully automatic recycled plastic pelleting production line according to claim 1, wherein: the defoaming adding device comprises a quantitative feeding device, a defoaming particle hopper and a defoaming material pipe, wherein the quantitative feeding device comprises a feeder and a defoaming feeding stepping motor, the inlet of the feeder is communicated with the outlet of the defoaming particle hopper, the outlet of the feeder is communicated with the defoaming material pipe, the defoaming material pipe is communicated with a defoaming mixing hopper, a feeding wheel is sleeved in the feeder, and the defoaming feeding stepping motor drives the feeding wheel to rotate at a constant speed to release a defoaming agent into the defoaming mixing hopper.
3. The fully automatic recycled plastic pelleting production line according to claim 1, wherein: the dewatering device comprises a dewatering tank, water absorption blocks are respectively arranged at two ends of the dewatering tank, the water absorption blocks protrude out of the bottom surface of the dewatering tank, a vibrating roller is arranged in the middle of the dewatering tank and connected with a vibrating driving motor, striking protrusions protruding out of the surface are arranged on the periphery of the vibrating roller, and an air drying device is arranged at one end of the dewatering tank, facing the particle forming machine.
4. A fully automatic recycled plastic pelletization line according to any one of claims 1 to 3, characterized in that: the particle screening device comprises a vibrating screen, a screen hole for allowing plastic particles to pass through is formed in the vibrating screen, the vibrating screen is arranged on an elastic support, a vibrating motor is arranged on the vibrating screen, a receiving tray is arranged below the vibrating screen, the bottom height of the receiving tray is reduced from one end close to a particle forming machine to the far end, and a discharge hole is formed in the lower end of the receiving tray.
5. The fully automatic recycled plastic pelleting production line according to claim 4, wherein: the particle collecting device comprises a blower connected with a wind power feeding pipe, a receiving hopper is arranged below a discharge hole of the receiving tray, a lower opening of the receiving hopper is communicated with the wind power feeding pipe, and the tail end of the wind power feeding pipe points to the inside of the particle collecting hopper.
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| CN109834867B (en) * | 2019-03-29 | 2020-11-24 | 台州市怡开包装有限公司 | Plastic master batch processing device |
| CN110834391A (en) * | 2019-11-29 | 2020-02-25 | 湖南安福环保科技股份有限公司 | Plastic garbage melting equipment |
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Denomination of invention: Fully automatic recycled plastic granulation production line Granted publication date: 20240409 Pledgee: Weifang Bank Co.,Ltd. Changle Fangshan road sub branch Pledgor: SHANDONG PENGZHOU PLASTIC INDUSTRY Co.,Ltd. Registration number: Y2024370010073 |