CN113967984B - Waste plastic recycling granulation production line - Google Patents
Waste plastic recycling granulation production line Download PDFInfo
- Publication number
- CN113967984B CN113967984B CN202111405459.6A CN202111405459A CN113967984B CN 113967984 B CN113967984 B CN 113967984B CN 202111405459 A CN202111405459 A CN 202111405459A CN 113967984 B CN113967984 B CN 113967984B
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- China
- Prior art keywords
- cooling
- cleaning
- conveying belt
- waste plastics
- cleaning box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920003023 plastic Polymers 0.000 title claims abstract description 195
- 239000004033 plastic Substances 0.000 title claims abstract description 195
- 239000002699 waste material Substances 0.000 title claims abstract description 134
- 238000004064 recycling Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000005469 granulation Methods 0.000 title claims abstract description 13
- 230000003179 granulation Effects 0.000 title claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims abstract description 130
- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 239000007788 liquid Substances 0.000 claims abstract description 50
- 239000007921 spray Substances 0.000 claims abstract description 34
- 238000005507 spraying Methods 0.000 claims abstract description 33
- 239000012535 impurity Substances 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims description 107
- 239000002245 particle Substances 0.000 claims description 41
- 238000001125 extrusion Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 15
- 239000000110 cooling liquid Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 11
- 238000011084 recovery Methods 0.000 claims description 10
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 239000004519 grease Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 15
- 238000005406 washing Methods 0.000 description 13
- 229920000426 Microplastic Polymers 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance 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
- B29B17/04—Disintegrating plastics, e.g. by milling
-
- B08B1/12—
-
- B08B1/20—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/14—Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquids
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
- B65G47/24—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles
- B65G47/248—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles by turning over or inverting them
- B65G47/252—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles by turning over or inverting them about an axis substantially perpendicular to the conveying direction
-
- 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
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- 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
Abstract
The application relates to a waste plastic recycling granulation production line, which relates to the technical field of plastic recycling, and comprises a frame, a crushing device, a cleaning device and a recycling device, wherein the cleaning device comprises: the cleaning box is arranged on the rack and contains cleaning liquid; the first conveying belt and the second conveying belt are arranged on the cleaning box at intervals and are used for conveying the sheet waste plastics; the two cleaning mechanisms are arranged on the cleaning box and are used for cleaning waste plastics; and the spraying mechanism is arranged on the cleaning box and is used for spraying waste plastics. The application starts the cleaning mechanism to clean the two sides of the sheet waste plastic, and the spraying mechanism sprays the waste plastic, so that the quantity of impurities and grease in the recycled plastic is reduced, and the quality of the recycled plastic is improved.
Description
Technical Field
The application relates to the technical field of plastic recovery, in particular to a waste plastic recovery granulation production line.
Background
With the continuous increase of the consumption of plastic products, the waste plastic is also continuously increased, and the generated waste plastic in China is known to be greatly increased year by year, so that if the generated waste plastic is improperly processed subsequently, the environment is inevitably damaged, and the health of common people is endangered. However, the waste plastics have extremely high recycling value due to the characteristics of the waste plastics, and the recycling of the waste plastics is commonly adopted by modern chemical enterprises at present.
The waste plastics can adhere more impurities when in use, particularly the oil can easily adhere to the oil pot in the process of preparing the oil pot for containing the oil, and when the waste plastics are recycled, the waste plastics are cleaned manually or by using common cleaning equipment, so that the waste plastics still adhere to some impurities and grease after being cleaned, and the impurities and grease can exist in the recycled plastics, so that the quality of the recycled plastics is reduced.
Disclosure of Invention
In order to improve the quality of the recycled plastics, the application provides a waste plastics recycling granulation production line.
The application provides a waste plastic recycling granulation production line, which adopts the following technical scheme:
the waste plastic recycling granulation production line comprises a frame, wherein a crushing device, a cleaning device and a recycling device are sequentially arranged on the frame, the crushing device is used for crushing waste plastic into sheets, the cleaning device is used for cleaning the sheet waste plastic, and the recycling device is used for recycling cleaned waste plastic after melting extrusion granulation; the cleaning device includes:
the cleaning box is arranged on the rack and contains cleaning liquid;
the first conveying belt and the second conveying belt are arranged on the cleaning box at intervals and are used for conveying sheet waste plastics; the flaky waste plastic on the first conveyor belt is turned over by 180 degrees by a turning mechanism and then falls onto a second conveyor belt to be conveyed continuously;
the two cleaning mechanisms are arranged on the cleaning box and respectively clean the sheet waste plastics on the first conveying belt and the second conveying belt;
and the spraying mechanism is arranged on the cleaning box and is used for spraying waste plastics on the first conveying belt and the second conveying belt.
Through adopting above-mentioned technical scheme, waste plastic gets into breaker and breaks into slice waste plastic, then slice waste plastic gets into on the first conveyer belt, the one side of slice waste plastic is cleaned to the start of brush mechanism, spray the mechanism simultaneously and spray waste plastic, then slice waste plastic on the first conveyer belt is through tilting mechanism 180 degrees dropping to the second conveyer belt, then the start of brush mechanism cleans the slice waste plastic second face, and spray the mechanism sprays slice waste plastic, then slice waste plastic gets into recovery unit under the conveyer belt is carried, recovery unit starts to melt extrusion granulation with slice waste plastic and retrieves, thereby reduced the quantity of impurity and grease in the recovered plastic, the quality of recovered plastic has been improved.
Optionally, be provided with the limiting plate that carries out spacingly to the waste plastic who is located on first conveyer belt and the second conveyer belt in the frame, the mechanism of brushing includes:
the brush plates are arranged on the cleaning box in a sliding manner and used for cleaning the flaky waste plastics, and a plurality of brush plates are arranged at intervals;
the driving assembly is arranged on the cleaning box and used for driving the hairbrush plate to move.
By adopting the technical scheme, the driving assembly is started to drive the hairbrush plate to move, and the hairbrush plate moves to clean the flaky waste plastics, so that the waste plastics are cleaned; meanwhile, the limiting plate limits the waste plastics, so that the probability that the waste plastics move to the outside of the hairbrush plate, the first conveying belt and the second conveying belt is reduced, the cleaning effect of the hairbrush plate on the waste plastics is improved, and the quality of the recovered plastics is improved.
Optionally, the driving assembly includes:
the rotating disc is rotatably arranged on the cleaning box and is eccentrically provided with a driving rod;
the two ends of the connecting rod are respectively connected with the driving rod and the hairbrush plate in a rotating way;
and the driving motor is arranged on the cleaning box and used for driving the rotating disc to rotate.
Through adopting above-mentioned technical scheme, driving motor starts to drive the rolling disc and rotates, and the rolling disc rotates and drives the actuating lever and rotate, and the actuating lever rotates and drives the brush board through the connecting rod and remove to this realizes driving motor starts to drive the brush board and remove.
Optionally, a plurality of limbers have evenly been seted up on first conveyer belt and the second conveyer belt, spray mechanism includes:
the spray pump is arranged on the cleaning box;
the first spraying pipe and the second spraying pipe are arranged on the spraying pump and are respectively used for spraying waste plastics on the first conveying belt and the second conveying belt;
the water guide plate is arranged on the cleaning box and positioned between the first conveying belt and the second conveying belt, and the water guide plate guides the mixed liquid falling on the first conveying belt to the outer side of the second conveying belt;
the heating pipe is arranged on the cleaning box and used for heating the cleaning liquid;
the filtering component is arranged on the cleaning box, is positioned between the second conveying belt and the spray pump and is used for filtering impurities in the cleaning liquid.
Through adopting above-mentioned technical scheme, the heating pipe heats the washing liquid, and the spray pump starts, and the washing liquid after the heating is to blowout through first shower and second shower to this sprays the waste plastics that gets into both sides around the brush board below, consequently waste plastics sprays before getting into the brush board, and then the brush board brushes waste plastics, then continues to spray waste plastics, so washs waste plastics, has also improved the cleaning performance to waste plastics simultaneously, has improved the quality of retrieving plastics.
The mixed liquid falling on the first conveyor belt is guided into the cleaning box by the water guide plate, so that the probability that the mixed liquid falls on waste plastics on the second conveyor belt is reduced, and the cleaning effect on the waste plastics is improved; and the mixed liquid of water guide plate water conservancy diversion and the mixed liquid that drops on the second conveyer belt move to filtering element together and filter to improved the cleanliness factor of washing liquid, improved the cleaning solution to waste plastic's cleaning performance, also reduced the probability that the spray pump was blockked up and damage by impurity in the mixed liquid simultaneously, improved the life-span of spray pump, also reduced the probability that causes the production line to shut down because the spray pump damages, improved the production efficiency of production line.
Optionally, the hole that slides has been seted up on the washing case and between second conveyer belt and the spray pump, filtering component includes:
the filter frame is arranged on the sliding hole in a sliding manner and is used for filtering the cleaning liquid;
the locating plate is arranged on the filter frame and is abutted against the cleaning box.
By adopting the technical scheme, impurities remain in the filtering frame for collection, and filtered cleaning liquid flows to the bottom of the cleaning box, so that the cleaning liquid is filtered; the locating plate is pulled to take down the filter frame to clean, after the cleaning is completed, the filter frame is slipped and installed on the slipping hole, and the locating plate is pushed to be abutted to the filter frame to be located, so that the filter frame is cleaned, the filtering effect of the filter frame on cleaning liquid is improved, the cleaning effect of the cleaning liquid on waste plastics is improved, and the quality of recovered plastics is improved.
Optionally, the turnover mechanism includes:
the guide plate is arranged on the cleaning box in a sliding manner and positioned at one side of the first conveying belt for outputting waste plastics, and the waste plastics positioned on the first conveying belt fall onto the second conveying belt after being turned over for 180 degrees under the action of the guide plate;
and the moving assembly is arranged on the cleaning box, is connected with the guide plate and is used for adjusting the distance between the guide plate and the first conveying belt.
Through adopting above-mentioned technical scheme, waste plastic overturns under the deflector effect to realize waste plastic upset and clear up to another one side, waste plastic moves to the second conveyer belt under the deflector effect simultaneously, thereby you have reduced waste plastic operation in-process and drop the second conveyer belt out of band and not by the probability of clearance, improved the cleaning performance to waste plastic, improved the quality of retrieving plastics.
The unlocking moving assembly drives the guide plate to move, after the guide plate is moved, the locking moving assembly positions the guide plate, so that the guide plate can adapt to the guide overturning of waste plastics with different sizes, the application range of the guide plate to the waste plastics is improved, and meanwhile, when the waste plastics are clamped between the first conveying belt and the guide plate, the position of the guide plate can be moved to remove the waste plastics, and the convenience in taking out the waste plastics is improved.
Optionally, the moving assembly includes:
the movable screw is in threaded connection with the cleaning box and is in rotary connection with the guide plate;
the movable nut is in threaded connection with the movable screw and abuts against the cleaning box.
Through adopting above-mentioned technical scheme, twist and move the nut and keep away from the washing case, then rotate and move the screw rod and drive the deflector and remove, after removing, twist and move the nut and support tightly on the washing case to this realizes adjusting the position of deflector.
Optionally, the recycling device comprises a screw extrusion granulator, a cooling mechanism and a screw conveyor which are sequentially arranged on the frame; the screw extrusion granulator is used for extruding and granulating plastics after melting to obtain regenerated plastic particles; the cooling mechanism is used for cooling the regenerated plastic particles; the screw conveyor is used for conveying the cooled regenerated plastic particles to a storage place for storage.
By adopting the technical scheme, the screw extrusion granulator melts waste plastics, extrudes and cuts the waste plastics to obtain regenerated plastic particles, then cools the regenerated plastic particles through the cooling mechanism, and finally starts the screw conveyor to drive the cooled regenerated plastic particles to be conveyed to a storage place for storage, so that the recycling of the waste plastics is realized; the cooling mechanism cools, so that the probability of danger caused by overhigh temperature of the regenerated plastic particles at the storage position is reduced, the safety of the regenerated plastic particles during storage is improved, the probability of adverse effect on quality caused by overhigh temperature of the regenerated plastic particles is also reduced, and the quality of the regenerated plastic particles is improved.
Optionally, the cooling mechanism includes:
the cooling box is arranged on the rack and filled with cooling liquid;
the cooling plate is arranged on the screw extrusion granulator and provided with a cooling cavity, a liquid outlet pipe communicated with the cooling cavity and the cooling box is arranged on the cooling plate, and a plurality of heat dissipation holes penetrating through the cooling plate are formed in the outer side wall of the cooling plate;
the cooling pump is arranged on the cooling box and is provided with a liquid inlet pipe communicated with the cooling cavity;
the two ends of the cooling pipelines are respectively connected with the screw extrusion granulator and the screw conveyor and penetrate through the cooling cavity;
the fan is arranged on the rack, and the air outlet faces the radiating holes and is used for blowing and cooling the cooling plate.
Through adopting above-mentioned technical scheme, the regeneration plastic granules moves to screw conveyer from screw extrusion granulator through a plurality of cooling pipes, consequently, the regeneration plastic granules passes the cooling chamber, and the cooling pump starts simultaneously, and the coolant liquid passes through the feed liquor pipe and gets into the cooling chamber, and the coolant liquid carries out cooling to the regeneration plastic granules that passes the cooling chamber, then the coolant liquid flows back to the cooler bin through the drain pipe in, and the fan starts simultaneously, and the cooling air passes through the louvre and cools down cooling plate and regeneration plastic granules.
Therefore, the cooling liquid and the cooling air cool the regenerated plastic particles simultaneously, and the cooling air cools the cooling plate and the cooling liquid simultaneously through the heat dissipation holes, so that the cooling effect on the regenerated plastic particles is improved, and when the regenerated plastic particles are conveyed through one pipeline, the cooling effect on the regenerated plastic particles in the middle of the pipeline is poorer, so that the regenerated plastic particles are separately conveyed through a plurality of cooling pipelines, the cooling effect on the regenerated plastic particles is further improved, the probability of danger of the regenerated plastic particles due to overhigh temperature is reduced, the probability of adverse effect on the quality of the regenerated plastic particles is also reduced, and the safety of the regenerated plastic particles during storage and the quality of the regenerated plastic particles are improved.
The cooling liquid is not contacted with the cooling liquid when cooling the regenerated plastic particles, so that the process of drying the regenerated plastic particles again after the cooling liquid contacts and cools the regenerated plastic particles is reduced, the time for producing the regenerated plastic particles is shortened, and the production efficiency of a production line is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the cleaning mechanism is used for starting to clean the two sides of the sheet waste plastics, and the spraying mechanism is used for spraying the waste plastics, so that the quantity of impurities and grease in the recycled plastics is reduced, and the quality of the recycled plastics is improved;
2. the waste plastic is turned over through the guide plate, so that the probability that the waste plastic falls out of the second conveying belt and cannot be cleaned in the operation process is reduced, the cleaning effect on the waste plastic is improved, and the quality of the recovered plastic is improved.
Drawings
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a schematic view of the structure of the cleaning apparatus of the present application, in which the filter assembly is exploded;
FIG. 3 is a schematic view of the structure of the cleaning device and the turnover mechanism of the present application;
FIG. 4 is an enlarged schematic view of portion A of FIG. 3;
FIG. 5 is a schematic view of the recovery device of the present application;
FIG. 6 is a schematic view of a part of the recovery apparatus of the present application;
fig. 7 is a schematic cross-sectional view of B-B of fig. 6.
Reference numerals: 1. a frame; 11. a crusher; 2. a cleaning device; 21. a cleaning box; 22. a first conveyor belt; 221. a water through hole; 23. a second conveyor belt; 24. a first rotating roller; 25. a second rotating roller; 26. a first delivery tube; 27. a limiting plate; 28. a slip hole; 3. a brushing mechanism; 31. a brush plate; 311. a sliding rod; 312. a fixed rod; 313. a rotating rod; 32. a drive assembly; 33. a rotating disc; 331. a driving rod; 34. a connecting rod; 35. a driving motor; 4. a spraying mechanism; 41. a spray pump; 411. an infusion tube; 42. a first shower; 43. a second shower; 44. a water guide plate; 45. heating pipes; 46. a filter assembly; 47. a filter frame; 48. a positioning plate; 5. a turnover mechanism; 51. a guide plate; 52. a moving assembly; 53. moving the screw; 54. moving the nut; 6. a recovery device; 61. a screw extrusion granulator; 62. a screw conveyor; 63. a second delivery tube; 64. a third delivery tube; 65. a fourth conveying pipe; 7. a cooling mechanism; 71. a cooling box; 72. a cooling plate; 73. a cooling pump; 74. a cooling pipe; 75. a fan; 76. a heat radiation hole; 77. a liquid inlet pipe; 78. a liquid outlet pipe; 79. and a cooling chamber.
Detailed Description
The application will be described in further detail below with reference to the accompanying drawings 1-7.
The embodiment of the application discloses a waste plastic recycling granulation production line.
Referring to fig. 1, the waste plastic recycling granulation production line comprises a frame 1, a crushing device, a cleaning device 2 and a recycling device 6 which are sequentially arranged on the frame 1, wherein the crushing device is a crusher 11, the crusher 11 is used for crushing waste plastic into sheets, then the sheet waste plastic is moved to the cleaning device 2, the cleaning device 2 is used for cleaning the sheet waste plastic, and the recycling device 6 is used for recycling the cleaned waste plastic after melt extrusion granulation.
Referring to fig. 2 and 3, the cleaning apparatus 2 includes a cleaning tank 21, a first conveyor belt 22 and a second conveyor belt 23, the cleaning tank 21 is fixedly installed on the frame 1, a first rotating roller 24 and a second rotating roller 25 are horizontally rotatably installed on the inner side wall of the cleaning tank 21, the first rotating roller 24 is located above the second rotating roller 25, and two first rotating rollers 24 and two second rotating rollers 25 are horizontally spaced apart; the first conveyor belt 22 is sleeved on two first rotating rollers 24, and the second conveyor belt 23 is sleeved on two second rotating rollers 25.
Referring to fig. 2 and 3, a first motor and a second motor are fixedly installed on the outer sidewall of the washing tank 21, and the first motor is connected with one of the first rotating rollers 24, and the second motor is connected with one of the second rotating rollers 25, while the first motor and the second motor are respectively used for driving the first conveyor belt 22 and the second conveyor belt 23 to move, and the moving directions of the first conveyor belt 22 and the second conveyor belt 23 are opposite; a plurality of water holes 221 are uniformly formed in the first conveying belt 22 and the second conveying belt 23, and the water holes 221 are used for allowing mixed liquid of sundries and cleaning liquid on waste plastics to pass through.
Referring to fig. 1 and 3, a vertical first conveying pipe 26 is fixedly installed on the upper surface of the cleaning tank 21, the crusher 11 is fixedly installed on the top end of the first conveying pipe 26, meanwhile, the first conveying pipe 26 is located at one end of the first conveying belt 22, waste plastics crushed by the crusher 11 fall onto the first conveying belt 22 through the first conveying pipe 26, and the first conveying belt 22 moves to drive the waste plastics to be conveyed away from the first conveying pipe 26.
Referring to fig. 2 and 3, when the waste plastics then move to the end of the first conveyor belt 22 away from the first conveyor pipe 26, the waste plastics fall down 180 degrees to the second conveyor belt 23 by the turning mechanism 5 to continue conveying.
Referring to fig. 2 and 3, two sets of limiting plates 27 are fixedly mounted on the inner side wall of the cleaning tank 21 at intervals, the first conveyor belt 22 is located between the two sets of limiting plates 27, the lower surfaces of the two sets of limiting plates 27 respectively abut against the upper surfaces of the first conveyor belt 22 and the second conveyor belt 23, the length direction of the limiting plates 27 is perpendicular to the axis of the first rotating roller 24, and meanwhile, two limiting plates 27 are arranged at intervals along the axis direction of the first rotating roller 24; the waste plastics fall down through the first conveying pipe 26 onto the first conveying belt 22 between the two limiting plates 27, and then fall down from the first conveying belt 22 onto the second conveying belt 23 between the two limiting plates 27, thereby limiting the position of the waste plastics.
Referring to fig. 2 and 3, the turnover mechanism 5 includes a guide plate 51 and a moving assembly 52, the guide plate 51 is horizontally slidably mounted on the inner side wall of the cleaning tank 21, and the guide plate 51 slides along the direction approaching or separating from the first conveyor belt 22, and the guide plate 51 is located on the side of the first conveyor belt 22 separating from the first conveyor pipe 26 and is arc-shaped.
Referring to fig. 2 and 3, the top end of the guide plate 51 extends above the first conveyor belt 22 and is inclined toward the side close to the first conveyor belt 22, the bottom end of the guide plate 51 extends below the first conveyor belt 22 and is inclined toward the side close to the first conveyor belt 22, and simultaneously the bottom end of the guide plate 51 collides with the upper surface of the second conveyor belt 23, waste plastics collide with the guide plate 51 under the action of the first conveyor belt 22, then the waste plastics continue to move and overturn under the action of the guide plate 51, and the waste plastics overturn 180 degrees when moving onto the second conveyor belt 23, so that the waste plastics are overturned 180 degrees.
Referring to fig. 2 and 3, a moving assembly 52 is provided on the washing tank 21 and connected to the guide plate 51, while the moving assembly 52 is for adjusting the distance between the guide plate 51 and the first conveyor belt 22, and the moving assembly 52 is located on a side of the guide plate 51 away from the first conveyor belt 22; the moving assembly 52 comprises a moving screw 53 and a moving nut 54, the moving screw 53 penetrates through the outer side wall of the cleaning tank 21 to extend into the cleaning tank 21, the moving screw 53 is in threaded connection with the side wall of the cleaning tank 21, and meanwhile the moving screw 53 is in rotary connection with the side wall of the guide plate 51, which is far away from the first conveying belt 22.
Referring to fig. 2 and 3, a moving nut 54 is screw-coupled to the moving screw 53, and the moving nut 54 is abutted against the outer side wall of the washing tank 21; an observation window (not shown) is formed in the cleaning box 21 at a position corresponding to the guide plate 51, and the observation window facilitates observation of the distance between the guide plate 51 and the first conveyor belt 22. The moving nut 54 is screwed to be far away from the cleaning tank 21, then the moving screw 53 is rotated to drive the guide plate 51 to move, meanwhile, the guide plate 51 is observed through the observation window, and after the adjustment is completed, the moving nut 54 is screwed to be abutted against the outer side wall of the cleaning tank 21, so that the distance between the guide plate 51 and the first conveying belt 22 is adjusted.
Referring to fig. 2 and 3, the cleaning device 2 further includes two cleaning mechanisms 3 and a spraying mechanism 4, the two cleaning mechanisms 3 are vertically disposed on the cleaning box 21 at intervals and are respectively located above the first conveyor belt 22 and the second conveyor belt 23, the two cleaning mechanisms 3 are respectively used for cleaning waste plastics located on the first conveyor belt 22 and the second conveyor belt 23, and the cleaning mechanism 3 located above the first conveyor belt 22 is taken as an example for explanation below.
Referring to fig. 2 and 3, the brush mechanism 3 includes a brush plate 31, a driving assembly 32, the brush plate 31 is horizontally slidably mounted on the cleaning tank 21 through a sliding rod 311, the sliding rod 311 is fixedly mounted on both ends of the brush plate 31, and both sliding rods 311 penetrate out of the cleaning tank 21, the sliding direction of the brush plate 31 is parallel to the axis of the first rotating roller 24, and a plurality of bristles are uniformly arranged on the lower surface of the brush plate 31, and can be in contact with waste plastics on the first conveyor belt 22, while the bristles of the brush plate 31 above the second conveyor belt 23 can be in contact with waste plastics on the second conveyor belt 23, so that the bristles can clean the waste plastics on the first conveyor belt 22 and the second conveyor belt 23.
Referring to fig. 2 and 4, a plurality of brush plates 31 are provided at intervals in a direction perpendicular to the axis of the first rotating roller 24; the sliding bars 311 positioned at the same side of the plurality of brush plates 31 are fixedly coupled together by fixing bars 312. A driving assembly 32 is provided on the washing tank 21 for driving the brush plate 31 to move, and the driving assembly 32 includes a rotating disk 33, a connecting rod 34, and a driving motor 35.
Referring to fig. 2 and 4, a vertical rotating shaft is rotatably installed on the outer sidewall of the washing tank 21, a rotating disc 33 is coaxially and fixedly installed on the top end of the rotating shaft, a vertical driving rod 331 is eccentrically and fixedly installed on the upper surface of the rotating disc 33, and a vertical rotating rod 313 is fixedly installed on the upper surface of a fixed rod 312, and both ends of a connecting rod 34 are respectively and rotatably connected with the driving rod 331 and the rotating rod 313; the drive motor 35 is started to drive the rotating shaft and the rotating disc 33 to rotate.
Referring to fig. 3 and 4, the rotation of the rotating disk 33 drives the fixing lever 312 to move through the connecting lever 34, and the fixing lever 312 moves to drive the plurality of brush plates 31 to move, and the brush plates 31 move to clean the waste plastics on the first and second conveyor belts 22 and 23.
Referring to fig. 2 and 3, the spraying mechanism 4 is disposed on the cleaning tank 21 and is used for spraying waste plastics on the first conveyor belt 22 and the second conveyor belt 23, the spraying mechanism 4 comprises a spraying pump 41, a first spraying pipe 42, a second spraying pipe 43, a water guide plate 44 and a heating pipe 45, the spraying pump 41 is fixedly mounted on the outer side wall of the cleaning tank 21, the spraying pump 41 is communicated with the cleaning tank 21, and a transfusion pipe 411 extending to the upper side of the first conveyor belt 22 is fixedly mounted on the spraying pump 41.
Referring to fig. 2 and 3, the first shower pipe 42 and the second shower pipe 43 are fixedly installed on the infusion pipe 411, and the first shower pipe 42 is located above the first conveyor belt 22, and the axes of the first shower pipe 42 and the second shower pipe 43 are parallel to the axis of the first rotating roller 24; and the second spray pipe 43 is positioned between the first conveyor belt 22 and the second conveyor belt 23, and a plurality of spray holes are formed on the lower surfaces of the first spray pipe 42 and the second spray pipe 43 at intervals along the axis of the first spray pipe 42.
Referring to fig. 2 and 3, the first shower pipe 42 and the second shower pipe 43 are each provided with a plurality of brush plates 31 disposed above the first conveyor belt 22 at intervals along an axis perpendicular to the first rotating roller 24 while each brush plate 31 disposed above the second conveyor belt 23 is disposed between two adjacent second shower pipes 43, so that the first shower pipes 42 and the second shower pipes 43 spray waste plastic entering both front and rear sides below the brush plates 31.
Referring to fig. 2 and 3, a water guide plate 44 is fixedly installed on the inner sidewall of the washing tank 21, and the water guide plate 44 is positioned between the second shower pipe 43 and the first conveyor belt 22, while the water guide plate 44 serves to guide the mixed liquid dropped on the first conveyor belt 22 to the outside of the second conveyor belt 23; the heating pipe 45 is fixedly installed on the inner bottom wall of the cleaning tank 21, and the heating pipe 45 is used for heating the cleaning liquid.
Referring to fig. 2 and 3, the spray mechanism 4 further includes a filter assembly 46, the filter assembly 46 is disposed on the purge tank 21, and the filter assembly 46 is located between the second conveyor belt 23 and the spray pump 41, and the filter assembly 46 is used for filtering impurities in the purge liquid; a sliding hole 28 is arranged on the side wall of the cleaning box 21 and between the second conveyer belt 23 and the joint of the spray pump 41 and the cleaning box 21.
Referring to fig. 2 and 3, the filter assembly 46 includes a filter frame 47 and a positioning plate 48, the filter frame 47 is horizontally slidably installed on the sliding hole 28, and the filter frame 47 filters impurities in the washing liquid while the mixed liquid on the water guide plate 44 flows into the filter frame 47 for filtering; the positioning plate 48 is fixedly installed on the filter frame 47, and the positioning plate 48 is abutted against the outer side wall of the cleaning tank 21 for positioning.
Referring to fig. 2 and 3, the spray pump 41 is started, the cleaning liquid is sprayed out through spray holes on the first spray pipe 42 and the second spray pipe 43, the cleaning liquid cleans the waste plastics, the cleaned impurities and the cleaning liquid mixture move into the filter frame 47 through the water through holes 221 and the water guide plate 44, the impurities remain in the filter frame 47 to be collected, and the filtered cleaning liquid flows to the bottom of the cleaning box 21 to be recycled, so that the cleaning effect on the waste plastics is improved.
Referring to fig. 2 and 5, the recycling device 6 includes a screw extrusion granulator 61, a cooling mechanism 7 and a screw conveyor 62 which are sequentially arranged on the frame 1, a second conveying pipe 63 fixedly connected with the cleaning tank 21 is fixedly arranged on the screw extrusion granulator 61, the second conveying pipe 63 is communicated with the screw extrusion granulator 61 and the cleaning tank 21, meanwhile, the second conveying pipe 63 is used for conveying cleaned waste plastics into the screw extrusion granulator 61, and the screw extrusion granulator 61 is used for extruding and granulating the waste plastics after melting to obtain regenerated plastic particles.
Referring to fig. 2 and 5, the cooling mechanism 7 is used for cooling the regenerated plastic granules, the screw conveyor 62 is located below the cooling mechanism 7, and the screw conveyor 62 is used for conveying the cooled regenerated plastic granules to a storage place for storage; a third conveying pipe 64 for outputting the regenerated plastic granules is fixedly installed on the screw extrusion granulator 61, a fourth conveying pipe 65 for inputting the regenerated plastic granules is fixedly installed on the screw conveyor 62, and the fourth conveying pipe 65 is positioned below the third conveying pipe 64.
Referring to fig. 5 and 6, the cooling mechanism 7 includes a cooling tank 71, a cooling plate 72, a cooling pump 73, a plurality of cooling pipes 74, and a fan 75, the cooling tank 71 being fixedly mounted on the machine frame 1 and containing a cooling liquid; a cooling plate 72 is fixedly mounted on an opposite end of the third and fourth ducts 64, 65.
Referring to fig. 6 and 7, a plurality of heat dissipation holes 76 penetrating through the cooling plate 72 are uniformly formed in the side wall of the cooling plate 72, meanwhile, a cooling cavity 79 independent of the heat dissipation holes 76 is formed in the cooling plate 72, and a liquid inlet pipe 77 and a liquid outlet pipe 78 which are communicated with the cooling cavity 79 are fixedly mounted on two outer side walls of the cooling plate 72.
Referring to fig. 5 and 6, a cooling pump 73 is fixedly installed on the outer sidewall of the cooling tank 71, and the cooling pump 73 is communicated with the inside of the cooling tank 71, while the cooling pump 73 is fixedly connected with one end of a liquid inlet pipe 77 away from the cooling plate 72; and one end of the liquid outlet pipe 78 far away from the cooling plate 72 is fixedly connected with the upper surface of the cooling box 71, and the liquid outlet pipe 78 is communicated with the cooling box 71.
Referring to fig. 6 and 7, both ends of the plurality of cooling pipes 74 are fixedly connected to opposite ends of the third and fourth transfer pipes 64 and 65, respectively, while the plurality of cooling pipes 74 vertically pass through the cooling plate 72 and the cooling chamber 79, and the plurality of cooling pipes 74 separately transfer the regenerated plastic particles located in the third transfer pipe 64 into the fourth transfer pipe 65.
Referring to fig. 5 and 6, the fan 75 is fixedly installed on the housing 1 at one side of the cooling plate 72, and an air outlet of the fan 75 faces one side of the heat dissipation hole 76. The regenerated plastic particles pass through the third conveying pipe 64, the cooling pipe 74 and the fourth conveying pipe 65 in this order, and finally the regenerated plastic particles are moved to the screw conveyor 62 for conveying.
Referring to fig. 5 and 7, therefore, the regenerated plastic particles pass through the cooling chamber 79 while passing through the cooling pipe 74, and simultaneously the cooling pump 73 and the fan 75 are activated, and the cooling liquid enters the cooling chamber 79 through the liquid inlet pipe 77, so that the cooling liquid cools the regenerated plastic particles, and the cooling air cools the cooling plate 72 and the cooling liquid simultaneously through the cooling holes 76, and further the regenerated plastic particles are cooled, thereby improving the cooling effect on the regenerated plastic particles.
The working principle of the embodiment of the application is as follows:
the waste plastics enter the crusher 11 to be crushed into sheet-shaped waste plastics, then the waste plastics fall onto the first conveying belt 22 through the first conveying pipe 26, cleaning liquid is sprayed on the waste plastics, then the waste plastics move to the lower part of the brush plate 31, and the brush plate 31 cleans the waste plastics, so that the first surface of the waste plastics is cleaned; then the waste materials fall onto the second conveying belt 23 by turning 180 degrees under the action of the guide plate 51, and then the second surface of the waste plastics is cleaned continuously, so that the double surfaces of the waste plastics are cleaned, the amount of impurities and grease in the recycled plastics is reduced, and the quality of the recycled plastics is improved.
The cleaned waste plastic enters the screw extrusion granulator 61 through the second conveying pipe 63 to be melted, extruded and granulated to obtain regenerated plastic particles, then the regenerated plastic particles sequentially enter the screw conveyor 62 through the third conveying pipe 64, the plurality of cooling pipelines 74 and the fourth conveying pipe 65, simultaneously the cooling liquid and the fan cool the regenerated plastic particles, and finally the screw conveyor 62 is started to drive the regenerated plastic particles to be conveyed to a storage place for storage, so that the probability of danger of the regenerated plastic particles due to overhigh temperature during storage is reduced, and the safety of the regenerated plastic particles during storage is improved.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (5)
1. The utility model provides a waste plastic retrieves granulation production line which characterized in that: the device comprises a frame (1), wherein a crushing device, a cleaning device (2) and a recovery device (6) are sequentially arranged on the frame (1), the crushing device is used for crushing waste plastics into sheets, the cleaning device (2) is used for cleaning the sheet waste plastics, and the recovery device (6) is used for recovering the cleaned waste plastics after melting, extruding and granulating; the cleaning device (2) comprises:
the cleaning box (21) is arranged on the frame (1) and contains cleaning liquid;
a first conveyor belt (22) and a second conveyor belt (23), wherein the first conveyor belt (22) and the second conveyor belt (23) are arranged on the cleaning box (21) at intervals and are used for conveying sheet waste plastics; the flaky waste plastics on the first conveying belt (22) are turned over by 180 degrees by a turning mechanism (5) and then fall onto a second conveying belt (23) to be conveyed continuously;
the two cleaning mechanisms (3) are arranged on the cleaning box (21) and respectively clean the sheet waste plastics on the first conveying belt (22) and the second conveying belt (23);
the spraying mechanism (4) is arranged on the cleaning box (21) and is used for spraying waste plastics on the first conveying belt (22) and the second conveying belt (23);
be provided with on frame (1) and carry out limiting plate (27) spacing to the waste plastics that is located on first conveyer belt (22) and second conveyer belt (23), brush mechanism (3) include:
the brush plates (31) are arranged on the cleaning box (21) in a sliding manner, and are used for cleaning the sheet waste plastics, a plurality of brush plates (31) are arranged at intervals, and the sliding direction of the brush plates (31) is perpendicular to the moving direction of the sheet waste plastics;
a driving assembly (32), wherein the driving assembly (32) is arranged on the cleaning box (21) and is used for driving the hairbrush plate (31) to move;
a plurality of water holes (221) are uniformly formed in the first conveying belt (22) and the second conveying belt (23), and the spraying mechanism (4) comprises:
a spray pump (41), wherein the spray pump (41) is arranged on the cleaning box (21);
the first spraying pipe (42) and the second spraying pipe (43), wherein the first spraying pipe (42) and the second spraying pipe (43) are arranged on the spraying pump (41), and the first spraying pipe (42) and the second spraying pipe (43) are respectively used for spraying waste plastics on the first conveying belt (22) and the second conveying belt (23);
the water guide plate (44) is arranged on the cleaning box (21) and is positioned between the first conveying belt (22) and the second conveying belt (23), and the water guide plate (44) guides the mixed liquid falling on the first conveying belt (22) to the outer side of the second conveying belt (23);
a heating pipe (45), wherein the heating pipe (45) is arranged on the cleaning tank (21) and is used for heating the cleaning liquid;
a filter assembly (46), wherein the filter assembly (46) is arranged on the cleaning box (21) and is positioned between the second conveying belt (23) and the spray pump (41) and is used for filtering impurities in the cleaning liquid;
the recovery device (6) comprises a screw extrusion granulator (61), a cooling mechanism (7) and a screw conveyor (62) which are sequentially arranged on the frame (1); the screw extrusion granulator (61) is used for extruding and granulating after melting the plastics to obtain regenerated plastic particles; the cooling mechanism (7) is used for cooling the regenerated plastic particles; the screw conveyor (62) is used for conveying the cooled regenerated plastic particles to a storage place for storage;
the cooling mechanism (7) comprises:
a cooling tank (71), the cooling tank (71) being provided on the machine frame (1) and containing a cooling liquid;
the cooling plate (72) is arranged on the screw extrusion granulator (61) and provided with a cooling cavity (79), a liquid outlet pipe (78) communicated with the cooling cavity (79) and the cooling box (71) is arranged on the cooling plate (72), and a plurality of heat dissipation holes (76) penetrating through the cooling plate (72) are formed in the outer side wall of the cooling plate (72);
a cooling pump (73), wherein the cooling pump (73) is arranged on the cooling box (71) and is provided with a liquid inlet pipe (77) communicated with the cooling cavity (79);
a plurality of cooling pipelines (74), wherein two ends of the plurality of cooling pipelines (74) are respectively connected with the screw extrusion granulator (61) and the screw conveyor (62) and pass through a cooling cavity (79);
and the fan (75) is arranged on the rack (1), and the air outlet faces the radiating holes (76) and is used for blowing and cooling the cooling plate (72).
2. The waste plastic recycling and granulating production line according to claim 1, wherein: the drive assembly (32) includes:
a rotating disk (33), wherein the rotating disk (33) is rotatably arranged on the cleaning box (21) and is eccentrically provided with a driving rod (331);
the two ends of the connecting rod (34) are respectively and rotatably connected with the driving rod (331) and the hairbrush plate (31);
and a driving motor (35), wherein the driving motor (35) is arranged on the cleaning box (21) and is used for driving the rotating disc (33) to rotate.
3. The waste plastic recycling and granulating production line according to claim 1, wherein: slip holes (28) are formed in the cleaning box (21) and located between the second conveying belt (23) and the spray pump (41), and the filter assembly (46) comprises:
the filter frame (47) is arranged on the sliding hole (28) in a sliding manner and is used for filtering the cleaning liquid;
and the positioning plate (48) is arranged on the filter frame (47) and is abutted against the cleaning box (21).
4. The waste plastic recycling and granulating production line according to claim 1, wherein: the turnover mechanism (5) comprises:
the guide plate (51) is arranged on the cleaning box (21) in a sliding manner and positioned on one side of the first conveying belt (22) outputting waste plastics, and the waste plastics positioned on the first conveying belt (22) fall onto the second conveying belt (23) after being turned over for 180 degrees under the action of the guide plate (51);
and the moving assembly (52) is arranged on the cleaning box (21), is connected with the guide plate (51) and is used for adjusting the distance between the guide plate (51) and the first conveying belt (22).
5. The waste plastic recycling and granulating production line according to claim 4, wherein: the moving assembly (52) includes:
the movable screw (53) is in threaded connection with the cleaning box (21) and is in rotary connection with the guide plate (51);
and the movable nut (54) is in threaded connection with the movable screw (53) and abuts against the cleaning box (21).
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| CN202111405459.6A CN113967984B (en) | 2021-11-24 | 2021-11-24 | Waste plastic recycling granulation production line |
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| CN202111405459.6A CN113967984B (en) | 2021-11-24 | 2021-11-24 | Waste plastic recycling granulation production line |
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| CN114802969B (en) * | 2022-04-14 | 2023-09-22 | 江西英特科胜动保科技有限公司 | Ampoule conveyor is used in animal remedy production |
| CN114750209B (en) * | 2022-05-11 | 2024-01-26 | 河北乾鑫塑料制品有限公司 | Plastic granulating device and method for pipe processing |
| CN115055424A (en) * | 2022-05-13 | 2022-09-16 | 深圳市伟辉自动化科技有限公司 | Automatic change accessory processing with belt cleaning device in batches |
| CN115634870B (en) * | 2022-10-25 | 2023-09-15 | 江苏科沛达半导体科技有限公司 | Cleaning device for wafer processing |
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