CN115742078B - Waste plastic recycling and granulating device and method - Google Patents
Waste plastic recycling and granulating device and method Download PDFInfo
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- CN115742078B CN115742078B CN202211476126.7A CN202211476126A CN115742078B CN 115742078 B CN115742078 B CN 115742078B CN 202211476126 A CN202211476126 A CN 202211476126A CN 115742078 B CN115742078 B CN 115742078B
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- 229920003023 plastic Polymers 0.000 title claims abstract description 154
- 239000004033 plastic Substances 0.000 title claims abstract description 154
- 239000002699 waste material Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004064 recycling Methods 0.000 title claims abstract description 23
- 238000005406 washing Methods 0.000 claims abstract description 81
- 239000012634 fragment Substances 0.000 claims abstract description 55
- 238000002844 melting Methods 0.000 claims abstract description 37
- 230000008018 melting Effects 0.000 claims abstract description 37
- 238000004140 cleaning Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 239000002245 particle Substances 0.000 claims description 24
- 238000007599 discharging Methods 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 14
- 244000309464 bull Species 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000005469 granulation Methods 0.000 claims description 7
- 230000003179 granulation Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000002351 wastewater Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims 2
- 239000010865 sewage Substances 0.000 abstract description 9
- 238000012546 transfer Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 8
- 206010024796 Logorrhoea Diseases 0.000 description 5
- 239000000155 melt Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229920000426 Microplastic Polymers 0.000 description 1
- 102100033121 Transcription factor 21 Human genes 0.000 description 1
- 101710119687 Transcription factor 21 Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 firstly Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The application relates to a waste plastic recycling and granulating device and method, and relates to the field of waste plastic treatment, and the waste plastic recycling and granulating device comprises a crushing tank, a washing tank arranged below the crushing tank and a melting tank arranged below the washing tank, wherein the crushing tank, the washing tank and the melting tank are integrally formed and are overlapped in central axis. The plastic product entering the crushing tank is chopped by the crushing component to form plastic fragments, the plastic fragments enter the washing tank to be cleaned under the action of the cleaning component, and after the cleaning is finished, sewage in the washing tank is discharged by the drainage component, so that the cleaned plastic fragments enter the melting tank to be melted. The same device is used in the multiple procedures, collection and transfer to the next procedure are not needed after each procedure is completed, and the working efficiency is remarkably improved.
Description
Technical Field
The application relates to the field of waste plastic treatment, in particular to a waste plastic recycling and granulating device and method.
Background
The plastic has the advantages of light weight, high strength, easy processing, low cost and the like, is widely applied in life, has the characteristics of corrosion resistance, difficult decomposition and the like, and can produce serious white pollution and cause serious damage to the living environment of people when the waste plastic products are discarded at will and are not treated. Therefore, the recycling of the waste plastics is extremely important, the influence of the waste plastics on the environment can be reduced by recycling the waste plastics, and the recycling method is an important measure for sustainable development. The method for recycling the waste plastics has the modes of melting and recycling, chemical modification, thermal cracking and the like, and the plastic recycled product manufactured by recycling the waste plastics has wide sales prospect.
In the related art, waste plastics are subjected to granulation after being recycled, and regenerated particles produced by granulation can be used for processing and molding various plastic products. In the granulating process of waste plastics, firstly, plastic products are manually sorted, secondly, the sorted plastic products are cut and crushed by using a crusher, then, the cut plastic fragments are washed and dried, then, the clean and dried plastic fragments are melted into thick matters by using an electric melting machine, the thick matters are extruded from the electric melting machine and cooled, and finally, the cooled and shaped regenerated plastics are granulated by using a granulator, so that regenerated plastic particles are obtained.
With respect to the related art, the inventor considers that in the granulation process, a plurality of sets of equipment are used for processing waste plastics, the occupied space is large, and after each equipment is processed, plastic products are required to be stored and then transported to the next equipment, so that the overall working efficiency is low.
Disclosure of Invention
In order to save space and improve the efficiency of granulation operation, the application provides a waste plastic recycling granulation device and method.
The application provides a waste plastic recycling and granulating device and method, which adopts the following technical scheme:
the utility model provides a waste plastic retrieves prilling granulator, includes the crushed aggregates jar, set up in the washing tank of crushed aggregates jar below and set up in the melt tank of washing tank below, the crushed aggregates jar, wash the tank with the melt tank integrated into one piece sets up and the central axis coincides mutually;
the plastic crushing machine is characterized in that a feeding hole is formed in the crushing tank, a crushing assembly used for crushing plastic products is arranged in the crushing tank, a driving assembly used for driving the crushing assembly to run is arranged at the top of the crushing tank, and a plurality of through holes for falling plastic fragments are formed in the bottom of the crushing tank;
the washing tank is provided with a water inlet and a water outlet, a cleaning assembly and a drainage assembly are arranged in the washing tank, the driving assembly is further used for driving the cleaning assembly to clean plastic fragments falling from the crushed aggregates tank, the drainage assembly is used for draining waste water after cleaning is completed, the bottom of the washing tank is provided with a blanking opening, and an electric control valve is arranged on the inner side wall of the blanking opening;
the plastic fragments after cleaning enter the melting tank through the discharging opening, and a discharging opening is arranged on the melting tank.
Through adopting above-mentioned technical scheme, garrulous material jar, washing jar and melt jar integrated into one piece set up, practice thrift the space, plastic products are broken by crushed aggregates subassembly in the crushed aggregates jar in proper order when processing, are cleaned by cleaning subassembly in washing jar afterwards, get into the melt jar at last and heat and melt, and same device is used in the multichannel process, need not collect after every process is accomplished and transport to next process, and work efficiency is showing and promotes.
Optionally, the particle assembly comprises a mounting shaft vertically arranged in the particle tank, a particle rod arranged on the mounting shaft, and a blade arranged on the particle rod; the driving assembly comprises a driving motor and a driving shaft fixedly connected to an output shaft of the driving motor, and the mounting shaft is sleeved on the driving shaft.
Through adopting above-mentioned technical scheme, after plastic products gets into the garrulous material jar, the installation axle rotates under the drive of output shaft, and the crushed aggregates pole rotates simultaneously, and the blade on the crushed aggregates pole cuts into plastic fragments with plastic products to subsequent processing.
Optionally, the particle bars are staggered on the mounting shaft and the blades are provided on the peripheral side of each particle bar.
Through adopting above-mentioned technical scheme, the setting of crisscross crushed aggregates pole and a plurality of blade can diversely cut plastic products, makes the plastic fragment after the cutting more even simultaneously.
Optionally, the cleaning assembly includes the pivot, set up in epaxial installation piece and set up in connecting rod on the installation piece, the bottom plate of washing jar with the lateral wall of washing jar rotates to be connected, the bottom of pivot with the bottom plate fixed connection of washing jar, the top of pivot with drive shaft fixed connection.
Through adopting above-mentioned technical scheme, the pivot rotates the bottom plate that drives the material washing jar and rotates to rivers in the material washing jar form the swirl and clean the plastics piece, and the connecting rod stirs the plastics piece simultaneously, makes the cleaning performance of plastics piece better.
Optionally, the drainage assembly comprises a filter plate arranged on the inner side wall of the water outlet and a baffle fixedly connected to the connecting rod, and the baffle is abutted to the inner side wall of the washing tank and used for opening and closing the water outlet; the automatic washing machine is characterized in that a bidirectional thread is arranged on the periphery side of the rotating shaft, the mounting block is in threaded connection with the rotating shaft, a guide rod is arranged in the washing tank, the guide rod is an electric telescopic rod, the fixed end of the electric telescopic rod is fixedly arranged at the bottom of the crushing tank, and the telescopic end of the electric telescopic rod is fixedly connected with the middle part of the connecting rod.
Through adopting above-mentioned technical scheme, after the plastics piece washs in the washing jar finishes, drive shaft reverse rotation, and then pivot reverse rotation, the installation piece upwards moves along the pivot for the baffle upwards moves gradually and keeps away from the delivery port, thereby the delivery port is opened and is carried out the drainage, and sewage exhaust in-process filter filters plastics piece, prevents plastics piece along with sewage discharge.
Optionally, a ratchet assembly is further disposed in the crushing tank, the ratchet assembly is disposed between the mounting shaft and the driving shaft, and the ratchet assembly is used for controlling the mounting shaft to stop rotating when the driving shaft rotates reversely.
Through adopting above-mentioned technical scheme, when the pivot reverse rotation delivery port was opened and is discharged, when the pivot reverse rotation promptly, the installation axle can not continue to rotate along with the pivot, can not continue to break up plastic products promptly to can not continue to carry out the crushed aggregates in the crushed aggregates and cause the influence to the drainage in the washing jar.
Optionally, the ratchet subassembly including set up in ratchet on the installation axle inside wall, set up dress caulking groove in the drive shaft, the ratchet subassembly still including set up in pawl, telescopic link and the spring in the dress caulking groove, the pawl rotate set up in dress caulking groove, the telescopic shaft of telescopic link with the middle part of pawl is articulated, the spring housing is located on the output shaft of telescopic link, the telescopic link is used for driving the pawl to keeping away from dress caulking groove bottom's direction motion.
Through adopting above-mentioned technical scheme, wash the material jar and wash the plastics piece when carrying out the crushed aggregates in the crushed aggregates jar, the output shaft of driving motor forward rotation this moment, the telescopic link orders about the pawl to keeping away from the direction motion of dress caulking groove bottom, pawl and ratchet engaged with, the installation axle rotates under the drive of drive shaft; on the contrary, when the output shaft of the driving motor reversely rotates, the pawl is retracted into the embedded groove, the driving shaft does not act on the mounting shaft, but still drives the rotating shaft to rotate, so that the crushing assembly stops crushing actions on plastic products, and the drainage assembly starts to drain water.
Optionally, still include stirring subassembly, stirring subassembly including rotate set up in the bull stick in the melt tank with set up in the puddler on the bull stick week side, the top of bull stick with pivot fixed connection.
Through adopting above-mentioned technical scheme, stirring assembly stirs the plastic piece for the plastic piece is heated evenly, melts the thick thing that forms after.
Optionally, a guiding inclined plane is arranged on the inner side wall of the feed opening.
By adopting the technical scheme, the process that the plastic fragments enter the feed opening is smoother.
Optionally, a granulating method based on a waste plastic recycling device comprises the following steps:
s1, throwing plastic products into the crushing tank from the feeding hole, and driving the crushing assembly to crush the plastic products into plastic fragments by the driving assembly;
s2, plastic fragments enter the washing tank through the through holes, the driving assembly drives the bottom plate of the washing tank to rotate, water flow in the washing tank forms vortex, then the plastic fragments are washed, and after washing is completed, the waste water is discharged by the drainage assembly;
s3, enabling the cleaned plastic fragments to enter the melting tank through a discharging opening, melting the plastic fragments under the heating of the melting tank, and discharging the melted thick matters from a discharging opening;
s4, extruding the melted plastic thick matter through a die, and cooling and shaping the plastic thick matter into hard strip-shaped plastic through a cooling system;
s5, cutting the hard strip-shaped plastic by a cutting machine to obtain the regenerated plastic particles.
Through adopting above-mentioned technical scheme, after plastic products gets into the garrulous material jar, process into plastics thick object through washing jar and melt jar in proper order, garrulous material jar, washing jar and melt jar integrated into one piece set up, practice thrift the space and improved work efficiency simultaneously, crushed aggregates the subassembly and evenly break up plastic products, wash the material subassembly and carry out the degree of depth cleanness to plastic fragments, melt the subassembly and fully evenly melt plastic fragments to the plastics thick object matter of last production is better, and the regeneration plastic granules quality that is formed by this processing is good.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the plastic products are processed sequentially through the washing tank and the melting tank after being put into the crushing tank through the feeding port, the same device is used in a plurality of working procedures, collection and transfer to the next working procedure are not needed after each working procedure is completed, and the working efficiency is obviously improved;
2. when plastic products are processed, the crushing assembly, the material washing assembly, the drainage assembly and the stirring assembly all adopt driving motors as driving sources, so that the space is saved, and meanwhile, the energy is saved.
Drawings
FIG. 1 is a schematic diagram of a waste plastic recycling and granulating device in this embodiment;
FIG. 2 is a schematic cross-sectional view of a recycling and granulating apparatus for waste plastics according to the present embodiment;
FIG. 3 is a schematic view of the construction of the particle assembly;
FIG. 4 is a schematic view of the structure of the cleaning assembly and the stirring assembly;
FIG. 5 is a schematic structural view of a ratchet assembly;
FIG. 6 is a schematic structural view of a drive shaft;
fig. 7 is an enlarged partial schematic view at a in fig. 2.
Reference numerals illustrate:
1. crushing a material tank; 11. a feed inlet; 12. a through hole; 2. a washing tank; 21. a water inlet; 22. a water outlet; 23. a feed opening; 231. an electric control valve; 232. a guide slope; 3. a melting tank; 31. a discharge port; 4. a drive assembly; 41. a driving motor; 42. a drive shaft; 421. installing an embedding groove; 5. a particle assembly; 51. a mounting shaft; 52. particle bars; 53. a blade; 6. cleaning the assembly; 61. a rotating shaft; 62. a mounting block; 63. a connecting rod; 7. a drainage assembly; 71. a baffle; 72. a filter plate; 73. a guide rod; 8. a ratchet assembly; 81. a ratchet wheel; 82. a pawl; 83. a telescopic rod; 84. a spring; 9. a stirring assembly; 91. a rotating rod; 92. stirring rod.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-7.
Referring to fig. 1 and 2, the embodiment of the application discloses a waste plastic recycling and granulating device, including a crushing tank 1, a washing tank 2 arranged below the crushing tank 1, and a melting tank 3 arranged below the washing tank 2, wherein the crushing tank 1, the washing tank 2 and the melting tank 3 are integrally formed from top to bottom and are overlapped with each other in a central axis. The plastic products entering the crushing tank 1 are cut into plastic fragments by the crushing component 5, the plastic fragments enter the washing tank 2 to be cleaned under the action of the cleaning component 6, sewage in the washing tank 2 is discharged by the drainage component 7 after cleaning, and then the cleaned plastic fragments enter the melting tank 3 to be melted, and plastic melted into thick matters is shaped, cooled and cut to form regenerated plastic particles.
Referring to fig. 2 and 3, the crushing tank 1 has a cylindrical structure, the inside of the crushing tank is hollow, a feed inlet 11 is formed in the top end of the crushing tank 1, a hopper is fixedly arranged on the inner side wall of the feed inlet 11, and a plurality of through holes 12 are uniformly formed in the bottom plate of the crushing tank 1. The particle assembly 5 includes a mounting shaft 51, a particle bar 52 and a blade 53 centrally disposed in the particle tank 1; the installation shaft 51 is of a cylindrical structure with a hollow inside, and the installation shaft 51 is rotatably arranged in the crushing tank 1; a plurality of groups of particle bars 52 are arranged on the circumference of the mounting shaft 51 in a staggered manner, and the length direction of the particle bars 52 is perpendicular to the length direction of the mounting shaft 51; a plurality of blades 53 are provided on the peripheral side of each particle bar 52, the length direction of the blades 53 being the same as the length direction of the particle bars 52.
The top of the crushing tank 1 is provided with a driving assembly 4 for driving the crushing assembly 5 to run, and the driving assembly 4 comprises a driving motor 41 and a driving shaft 42 arranged on an output shaft of the driving motor 41. The driving motor 41 is arranged on the outer side wall of the top of the crushing tank 1 and is positioned in the center of the crushing tank 1, the top of the crushing tank 1 is provided with a yielding hole for the output shaft of the driving motor 41 to penetrate, the driving shaft 42 is integrally formed and mounted on the output shaft of the driving motor 41, the mounting shaft 51 is sleeved on the driving shaft 42, and the driving shaft 42 is driven to rotate.
When granulating waste plastics, firstly, the recovered plastic products are placed in a hopper, the plastic products enter the crushing tank 1 from a feed inlet 11, a driving motor 41 is started, a driving shaft 42 drives a mounting shaft 51 to rotate, so that a crushing rod 52 on the mounting shaft 51 rotates, a plurality of staggered crushing rods 52 rotate, blades 53 arranged on the crushing rods 52 cut the plastic products in the crushing tank 1, plastic fragments are formed, and the cut plastic fragments fall to the bottom of the crushing tank 1 and enter a washing tank 2 through a through hole 12.
Referring to fig. 2 and 4, the washing tank 2 is also of a cylindrical structure, the inside of the washing tank is hollow, a water inlet 21 for clean water to enter is formed in the upper portion of the side wall of the washing tank 2, and a water outlet 22 for sewage discharged after plastic fragments are washed is formed in the lower portion of the side wall of the washing tank 2. The cleaning assembly 6 comprises a rotating shaft 61 arranged at the center of the cleaning tank 2, a mounting block 62 and a connecting rod 63, wherein the rotating shaft 61 is rotatably arranged in the cleaning tank 2, the upper end of the rotating shaft 61 is fixedly connected with the bottom end of the driving shaft 42, the lower end of the rotating shaft 61 is fixedly connected with the bottom plate of the cleaning tank 2, the mounting block 62 is mounted on the rotating shaft 61, and the connecting rod 63 is fixedly mounted on the mounting block 62.
The bottom plate of the washing tank 2 is rotationally connected with the side wall of the washing tank 2, an annular rotating groove is formed in the side wall of the washing tank 2, and the bottom plate of the washing tank 2 is driven by the rotating shaft 61 to rotate in the rotating groove. The drainage assembly 7 comprises a filter plate 72 arranged on the inner side wall of the water outlet 22 and a baffle plate 71 fixedly connected to the connecting rod 63, wherein the baffle plate 71 is of an arc-shaped structure attached to the inner side wall of the washing tank 2, and the baffle plate 71 is abutted to the inner side wall of the washing tank 2 and used for opening and closing the water outlet 22. The periphery side of pivot 61 is provided with two-way screw thread, and installation piece 62 threaded connection is on pivot 61, washs subassembly 6 still including setting up in washing tank 2 guide bar 73, and guide bar 73 is electric telescopic handle, and electric telescopic handle's fixed end sets firmly the bottom of garrulous material jar 1, electric telescopic handle's flexible end and the middle part fixed connection of connecting rod 63.
Clean water is put into the washing tank 2 through the water inlet 21, cut plastic fragments enter the washing tank 2, the rotating shaft 61 rotates under the driving of the driving shaft 42, and the rotating shaft 61 drives the bottom plate of the washing tank 2 to rotate, so that vortex-shaped water flow is formed in the washing tank 2, and the plastic fragments are washed. Meanwhile, the plastic fragments are stirred by the connecting rods 63, so that the cleaning effect of the plastic fragments is better. When the volume of the plastic fragments accounts for more than two thirds of the volume of the washing tank 2, the crushing tank 1 stops crushing plastic products, so that the washing effect of the washing tank 2 on the plastic fragments is guaranteed.
Referring to fig. 2, 5 and 6, a ratchet assembly 8 is also provided within the chaff pod 1, the ratchet assembly 8 being disposed between the mounting shaft 51 and the drive shaft 42. The ratchet wheel assembly 8 includes setting up ratchet 81 on the installation axle 51 inside wall, set up dress caulking groove 421 on the drive shaft 42, ratchet wheel assembly 8 is still including setting up pawl 82, telescopic link 83 and spring 84 in dress caulking groove 421, pawl 82 rotates and sets up in dress caulking groove 421, the free end of telescopic link 83 is articulated with the middle part of pawl 82, the spring 84 cover is located on telescopic link 83's the output shaft, telescopic link 83 is used for driving pawl 82 to the direction motion of keeping away from dress caulking groove 421 bottom, spring 84 can play the effect that resets after telescopic link 83 is compressed.
The plastic fragments are cleaned by the material washing tank 2 while the crushed aggregates are carried out in the crushed aggregates tank 1, at the moment, the output shaft of the driving motor 41 rotates positively, the telescopic rod 83 drives the pawl 82 to move in a direction away from the bottom of the embedded groove 421, the pawl 82 is meshed with the ratchet teeth of the ratchet wheel 81, and the installation shaft 51 rotates under the driving of the driving shaft 42. When the volume of plastic fragments is more than two thirds of the volume of the washing tank 2, the output shaft of the driving motor 41 reversely rotates, the pawl 82 is abutted against the inner side wall of the ratchet wheel 81, the telescopic rod 83 is compressed by the pawl 82 to move towards the direction close to the bottom of the embedding groove 421 under the compression action of the inner side wall of the ratchet wheel 81, the pawl 82 is retracted into the embedding groove 421, the driving shaft 42 does not act on the mounting shaft 51 at this time, and the rotating shaft 61 is still driven to rotate, so that the crushing action of plastic products is stopped by the crushed aggregates assembly 5, and the drainage assembly 7 is started to drain water at this time.
The driving motor 41 rotates reversely, the driving shaft 42 drives the rotating shaft 61 to rotate reversely, at the moment, the output shaft of the electric telescopic rod moves upwards to guide the connecting rod 63, meanwhile, the mounting block 62 moves upwards along the rotating shaft 61, the baffle 71 moves upwards to be gradually far away from the water outlet 22 under the driving of the connecting rod 63, so that the water outlet 22 is opened, sewage for cleaning plastic fragments can be discharged from the water outlet 22, the plastic fragments are filtered by the filter plate 72 in the sewage discharging process, the diameter of a filter hole on the filter plate 72 is smaller than that of the through hole 12, and the plastic fragments can be prevented from being discharged along with the sewage by the filter plate 72. After the sewage is discharged, the bottom plate of the washing tank 2 still rotates under the action of the rotating shaft 61, and the centrifugal force generated by the rotation of the bottom plate of the washing tank 2 can dehydrate the plastic fragments.
Referring to fig. 2, 4 and 7, a bottom plate of the material washing tank 2 is provided with a feed opening 23, an electric control valve 231 is fixedly arranged on the inner side wall of the feed opening 23, and when dehydration is detected, namely, the water outlet 22 does not flow out, the electric control valve 231 is controlled to be opened, and plastic fragments enter the material melting tank 3 from the feed opening 23. Meanwhile, the inner side wall of the blanking opening 23 is provided with a guide inclined surface 232, and the arrangement of the guide inclined surface 232 can enable the process of plastic fragments entering the blanking opening 23 to be smoother.
The melting tank 3 is a cylindrical hollow tank body, a heating element is arranged on the inner side wall of the melting tank 3, plastic fragments after cleaning are melted under the heating action of the melting tank 3, and a discharge hole 31 is formed in the side wall of the melting furnace. The stirring assembly 9 is arranged in the melting tank 3, and the stirring assembly 9 comprises a rotating rod 91 arranged in the melting tank 3 in a rotating mode and a stirring rod 92 arranged on the rotating rod 91. The top and the pivot 61 fixed connection of bull stick 91, the bottom rotation of bull stick 91 sets up in the bottom of melt tank 3, and puddler 92 sets up perpendicularly on the periphery side of bull stick 91, and puddler 92 is provided with a plurality ofly on bull stick 91.
The plastic fragments enter the melting tank 3, melt under the heating of the melting tank 3, and simultaneously the rotating rod 91 stirs the plastic fragments under the driving of the rotating shaft 61, so that the plastic fragments are heated uniformly, the thick matters formed after melting are more uniform, and the thick matters after melting are discharged through the discharge hole 31 and are subjected to subsequent processing steps.
In this embodiment, the crushed aggregates assembly 5, the washing assembly, the drainage assembly 7 and the stirring assembly 9 all adopt the driving motor 41 as a driving source when processing plastic products, thereby saving space and energy. The plastic products are processed after being put into the crushing tank 1 through the feeding hole and sequentially processed through the washing tank 2 and the melting tank 3, the same device is used in multiple working procedures, collection and transferring to the next working procedure are not needed after each working procedure is completed, and the working efficiency is remarkably improved.
The embodiment discloses a granulating method based on a waste plastic recycling device.
A granulating method based on a waste plastic recycling device comprises the following steps:
s1, plastic products are put into a crushing tank 1 from a feed inlet 11, and a driving assembly 4 drives a crushing assembly 5 to crush the plastic products into plastic fragments;
s2, plastic fragments enter the washing tank 2 through the through holes 12, the driving assembly 4 drives the bottom plate of the washing tank 2 to rotate, water flow in the washing tank 2 forms vortex so as to clean the plastic fragments, and after the cleaning is finished, the waste water is discharged by the drainage assembly 7;
s3, the washed plastic fragments enter the melting tank 3 through the blanking opening 23, the plastic fragments are melted under the heating of the melting tank 3, and the melted thick matters are discharged from the discharging opening;
s4, extruding the melted plastic thick matter through a die, and cooling and shaping the plastic thick matter into hard strip-shaped plastic through a cooling system;
s5, cutting the hard strip-shaped plastic by a cutting machine to obtain the regenerated plastic particles.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. The utility model provides a waste plastic retrieves prilling granulator which characterized in that: the material crushing device comprises a material crushing tank (1), a material washing tank (2) arranged below the material crushing tank (1) and a material melting tank (3) arranged below the material washing tank (2), wherein the material crushing tank (1), the material washing tank (2) and the material melting tank (3) are integrally formed and are overlapped in central axis;
the plastic crushing device is characterized in that a feeding hole (11) is formed in the crushed material tank (1), a crushed material assembly (5) for crushing plastic products is arranged in the crushed material tank (1), a driving assembly (4) for driving the crushed material assembly (5) to run is arranged at the top of the crushed material tank (1), and a plurality of through holes (12) for plastic fragments to fall down are formed in the bottom of the crushed material tank (1);
the novel plastic washing machine is characterized in that a water inlet (21) and a water outlet (22) are formed in the washing tank (2), a washing assembly (6) and a water discharging assembly (7) are arranged in the washing tank (2), the driving assembly (4) is further used for driving the washing assembly (6) to wash plastic fragments falling from the crushed aggregates tank (1), the water discharging assembly (7) is used for discharging waste water after washing is completed, a discharging opening (23) is formed in the bottom of the washing tank (2), and an electric control valve (231) is arranged on the inner side wall of the discharging opening (23);
the cleaned plastic fragments enter the melting tank (3) through the discharging opening (23), and a discharging opening (31) is arranged on the melting tank (3);
the crushed aggregates assembly (5) comprises a mounting shaft (51) vertically arranged in the crushed aggregates tank (1), a crushed aggregates rod (52) arranged on the mounting shaft (51) and a blade (53) arranged on the crushed aggregates rod (52); the driving assembly (4) comprises a driving motor (41) and a driving shaft (42) fixedly connected to an output shaft of the driving motor (41), and the mounting shaft (51) is sleeved on the driving shaft (42);
the cleaning assembly (6) comprises a rotating shaft (61), a mounting block (62) arranged on the rotating shaft (61) and a connecting rod (63) arranged on the mounting block (62), the bottom plate of the cleaning tank (2) is rotationally connected with the side wall of the cleaning tank (2), the bottom end of the rotating shaft (61) is fixedly connected with the bottom plate of the cleaning tank (2), and the top end of the rotating shaft (61) is fixedly connected with the driving shaft (42);
the drainage assembly (7) comprises a filter plate (72) arranged on the inner side wall of the water outlet (22) and a baffle plate (71) fixedly connected to the connecting rod (63), and the baffle plate (71) is abutted to the inner side wall of the washing tank (2) and used for opening and closing the water outlet (22); the automatic washing machine is characterized in that a bidirectional thread is arranged on the outer peripheral side of the rotating shaft (61), the installation block (62) is in threaded connection with the rotating shaft (61), a guide rod (73) is arranged in the washing tank (2), the guide rod (73) is an electric telescopic rod, the fixed end of the electric telescopic rod is fixedly arranged at the bottom of the crushing tank (1), and the telescopic end of the electric telescopic rod is fixedly connected with the middle part of the connecting rod (63);
still be provided with ratchet subassembly (8) in crushed aggregates jar (1), ratchet subassembly (8) set up in install axle (51) with between drive shaft (42), ratchet subassembly (8) are used for control install axle (51) stop rotating when drive shaft (42) counter-rotating.
2. The waste plastic recycling and granulating device according to claim 1, wherein: the particle bars (52) are staggered in number on the mounting shaft (51), and the blades (53) are provided in number on the peripheral side of each particle bar (52).
3. The waste plastic recycling and granulating device according to claim 1, wherein: ratchet subassembly (8) including set up in ratchet (81) on installation axle (51) inside wall, set up dress caulking groove (421) on drive shaft (42), ratchet subassembly (8) still including set up in pawl (82), telescopic link (83) and spring (84) in dress caulking groove (421), pawl (82) rotate set up in dress caulking groove (421), telescopic shaft of telescopic link (83) with the middle part of pawl (82) is articulated, spring (84) cover are located on the output shaft of telescopic link (83), telescopic link (83) are used for driving pawl (82) are kept away from the direction motion of dress caulking groove (421) bottom.
4. The waste plastic recycling and granulating device according to claim 1, wherein: still include stirring subassembly (9), stirring subassembly (9) including rotate set up in bull stick (91) in melt jar (3) with set up in puddler (92) on bull stick (91) week side, the top of bull stick (91) with pivot (61) fixed connection.
5. The waste plastic recycling and granulating device according to claim 1, wherein: the inner side wall of the feed opening (23) is provided with a guide inclined plane (232).
6. A granulation method based on a waste plastic recovery device, applying a waste plastic recovery granulation device according to any one of claims 1-5, characterized by comprising:
s1, throwing plastic products into the crushed aggregates tank (1) from the feeding hole (11), wherein the driving assembly (4) drives the crushed aggregates assembly (5) to chop the plastic products into plastic fragments;
s2, plastic fragments enter the washing tank (2) through the through holes (12), the driving assembly (4) drives the bottom plate of the washing tank (2) to rotate, so that water flow in the washing tank (2) forms vortex to clean the plastic fragments, and after the cleaning is finished, the waste water is discharged by the drainage assembly (7);
s3, enabling the cleaned plastic fragments to enter the melting tank (3) through a blanking opening (23), melting the plastic fragments under the heating of the melting tank (3), and discharging the melted thick matters from a discharging opening;
s4, extruding the melted plastic thick matter through a die, and cooling and shaping the plastic thick matter into hard strip-shaped plastic through a cooling system;
s5, cutting the hard strip-shaped plastic by a cutting machine to obtain the regenerated plastic particles.
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| CN116394518B (en) * | 2023-04-23 | 2024-05-03 | 深圳青峰盛世科技有限公司 | Environment-friendly 3D printing consumable recycling method |
| CN117261032A (en) * | 2023-11-13 | 2023-12-22 | 广东创永佳新材料有限公司 | Rapid circulation melting waste plastic extrusion granulating equipment and generation process thereof |
| CN118721531A (en) * | 2024-08-07 | 2024-10-01 | 上海川朴新材料科技有限公司 | Granulating device and method for recycling waste plastics |
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