CN113085059A - Biodegradable polymer film recovery process - Google Patents
Biodegradable polymer film recovery process Download PDFInfo
- Publication number
- CN113085059A CN113085059A CN202110407163.1A CN202110407163A CN113085059A CN 113085059 A CN113085059 A CN 113085059A CN 202110407163 A CN202110407163 A CN 202110407163A CN 113085059 A CN113085059 A CN 113085059A
- Authority
- CN
- China
- Prior art keywords
- roller
- polymer film
- biodegradable polymer
- plate
- namely
- 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.)
- Granted
Links
- 239000004621 biodegradable polymer Substances 0.000 title claims abstract description 25
- 229920002988 biodegradable polymer Polymers 0.000 title claims abstract description 25
- 238000011084 recovery Methods 0.000 title claims description 7
- 239000000463 material Substances 0.000 claims abstract description 74
- 238000003825 pressing Methods 0.000 claims abstract description 35
- 238000005520 cutting process Methods 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000004140 cleaning Methods 0.000 claims abstract description 16
- 230000008569 process Effects 0.000 claims abstract description 16
- 238000004064 recycling Methods 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 239000008187 granular material Substances 0.000 claims abstract description 12
- 238000005469 granulation Methods 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 8
- 230000003179 granulation Effects 0.000 claims abstract description 8
- 239000008188 pellet Substances 0.000 claims abstract description 6
- 238000007909 melt granulation Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 66
- 238000005056 compaction Methods 0.000 claims description 48
- 230000008093 supporting effect Effects 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 5
- 239000004033 plastic Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 239000002985 plastic film Substances 0.000 description 3
- 229920006255 plastic film Polymers 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003031 feeding effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
-
- 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
-
- 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
- B29B9/04—Making granules by dividing preformed material in the form of plates or sheets
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention relates to the technical field of plastic recycling, and provides a biodegradable polymer film recycling process, which comprises the following steps: s1: collecting the ear material, namely collecting the cut ear material in the production process of the biodegradable polymer film; s2: surface cleaning, namely performing surface cleaning and drying on the ear material collected in S1; s3: performing primary crushing, namely crushing the cleaned ear material in the step S2 to obtain a crushed material; s4: press forming, namely pressing the crushed material obtained in the step S3 into a plate shape to form a plate-shaped material; s5: cutting and granulating, namely longitudinally cutting and transversely cutting the plate-shaped material obtained in the step S4 to form granular granules; s6: cleaning the granules, namely cleaning and drying the granules obtained in the step S5; s7: melt granulation was performed, and the pellets obtained in S6 were used for granulation. Through the technical scheme, a mode for recycling the ear material in the production of the biodegradable polymer film is provided.
Description
Technical Field
The invention relates to the technical field of plastic recycling, in particular to a biodegradable polymer film recycling process.
Background
With the rapid development of national economy and the continuous progress of society, plastic film products are widely applied in daily life, bring convenience to the daily life of people, cause certain harm to the environment, are difficult to degrade in the environment, can cause pollution to underground water and soil, and can generate harmful gaseous pollutants and dust in incineration treatment, thereby causing pollution to the atmosphere. In the face of the increasing depletion of the oil resources of the earth and the increasing deterioration of the ecological environment, the research on the biodegradable materials with renewable resources attracts the extensive attention of researchers in various countries. The biodegradable film is a plastic film product which can be degraded under the action of microorganisms in natural environment, and is widely applied to the field of various plastic products. In the production process of the biodegradable film, cut ear materials are generated, and the recovery of waste materials generated in the production process has important significance for fully saving resources and reducing production cost.
Disclosure of Invention
The invention provides a biodegradable polymer film recycling process, and provides a method for recycling ear materials in biodegradable polymer film production.
The technical scheme of the invention is as follows:
a biodegradable polymer film recovery process comprises the following steps:
s1: collecting the ear material, namely collecting the cut ear material in the production process of the biodegradable polymer film;
s2: surface cleaning, namely performing surface cleaning and drying on the ear material collected in S1;
s3: performing primary crushing, namely crushing the cleaned ear material in the step S2 to obtain a crushed material;
s4: press forming, namely pressing the crushed material obtained in the step S3 into a plate shape to form a plate-shaped material;
s5: cutting and granulating, namely longitudinally cutting and transversely cutting the plate-shaped material obtained in the step S4 to form granular granules;
s6: cleaning the granules, namely cleaning and drying the granules obtained in the step S5;
s7: melt granulation was performed, and the pellets obtained in S6 were used for granulation.
Further, in S4 and S5, the scrap is processed by using a crusher including a frame, and a pressing device and a dicing device provided on the frame, the crushed scrap is pressed into a plate-like material by the pressing device, the plate-like material is cut into pellets by the dicing device, and the dicing device includes:
the conveying belt is used for receiving the discharge end of the pressing device;
cut the roller, set up in the frame, be located the top of conveyer belt, cut the roller and include:
the outer cutter barrel is rotatably arranged on the rack, a plurality of longitudinal cutters are arranged on the periphery of the outer cutter barrel, and the longitudinal cutters are uniformly arranged along the length direction of the outer cutter barrel;
the inner cam is fixedly arranged on the rack and positioned in the outer roller cutter;
the number of the cutter bars is multiple, one end of each cutter bar is provided with a roller, the other end of each cutter bar penetrates through the outer cutter cylinder and is provided with a transverse cutter, and the transverse cutter is positioned between two adjacent longitudinal cutters;
and an elastic member providing an elastic force to contact the roller with the inner cam.
Further, the inner cam includes:
the first supporting roller is fixedly arranged on the rack;
the second supporting roller is arranged on the rack in a sliding mode along the vertical direction;
the annular belt is wrapped on the first supporting roller and the second supporting roller, the annular belt is an elastic belt, and the roller is in contact with the annular belt;
and the adjusting mechanism is used for adjusting the distance between the first supporting roller and the second supporting roller.
Further, a first inclined plane and a second inclined plane which form included angles with the horizontal plane are respectively arranged on the first supporting roller and the second supporting roller;
the adjustment mechanism includes:
the first support roller and the second support roller are connected through a sliding block, the sliding block is provided with a third inclined surface matched with the first inclined surface and a fourth inclined surface matched with the second inclined surface, the sliding block slides along the first inclined surface, and the sliding block is provided with a threaded hole;
the screw rod is rotatably arranged on the rack and is in fit connection with the threaded hole.
Further, the two ends of the first supporting roller and the two ends of the second supporting roller are both provided with sliding blocks, and the screw is provided with two sections of threads with opposite rotating directions, which are respectively matched with the two sliding blocks.
Further, the pressing device comprises a first pressing roller, a second pressing roller, a third pressing roller and a reversing mechanism which are sequentially arranged on the rack from top to bottom;
the first press roller and the second press roller form a first compaction mechanism, and the second press roller and the third press roller form a second compaction mechanism;
the first compaction mechanism has a compaction thickness greater than the compaction thickness of the second compaction mechanism;
the outlet of the first compaction mechanism and the inlet of the second compaction mechanism are provided with the reversing mechanism.
Further, the reversing mechanism includes:
a first guide plate disposed at an outlet of the first compaction mechanism;
a second guide plate disposed at an inlet of the second compaction mechanism;
the reversing plate is kept away from the first guide plate and the one end of second guide plate is rotated and is set up in the frame, rotate the reversing plate can make the other end of reversing plate can with first guide plate or contact with the second guide plate, be equipped with a plurality of align to grid's conveying roller on the reversing plate to be close to its pivot end and be equipped with the baffle.
Further, a feeding groove is formed in the inlet of the first compacting mechanism, the inlet of the feeding groove is connected with the feeding mechanism, and a damping structure is arranged at the outlet of the feeding groove;
the height of the feed chute is gradually reduced from the inlet to the outlet.
Further, an outlet discharge chute of the second compaction mechanism, the outlet of which is located above the conveyor belt.
Further, a heating device is arranged for heating the first press roll, the second press roll and the third press roll.
The working principle and the beneficial effects of the invention are as follows:
in the invention, the earpieces generated by cutting in the preparation process of the biodegradable polymer film are collected for re-granulation, so that resources are fully utilized, waste is reduced, and the production cost is reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a flow chart of a process for recovering a biodegradable polymeric membrane;
FIG. 2 is a schematic view of a crusher;
FIG. 3 is a schematic view of a cutting roll structure;
FIG. 4 is a schematic structural view of an outer cutter cylinder;
FIG. 5 is a schematic view of an inner cam configuration;
in the figure: 1. the device comprises a frame, 2, a pressing device, 21, a first press roller, 22, a second press roller, 23, a third press roller, 24, a reversing mechanism, 241, a first guide plate, 242, a second guide plate, 243, a reversing plate, 244, a conveying roller, 245, a baffle, 25, a feed chute, 26, a discharge chute, 27, a cutting knife, 3, a granulating device, 31, a conveying belt, 32, a cutting roller, 321, an outer cutter barrel, 322, a longitudinal cutter, 323, an inner cam, 3231, a first supporting roller, 3232, a second supporting roller, 3233, an annular belt, 3234, a sliding block, 3235, a screw, 324, a cutter bar, 325, a roller, 326, a transverse cutter, 327 and an elastic piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.
As shown in fig. 1, the present embodiment proposes
A biodegradable polymer film recovery process comprises the following steps:
s1: collecting the ear material, namely collecting the cut ear material in the production process of the biodegradable polymer film;
s2: surface cleaning, namely performing surface cleaning and drying on the ear material collected in S1;
s3: performing primary crushing, namely crushing the cleaned ear material in the step S2 to obtain a crushed material;
s4: press forming, namely pressing the crushed material obtained in the step S3 into a plate shape to form a plate-shaped material;
s5: cutting and granulating, namely longitudinally cutting and transversely cutting the plate-shaped material obtained in the step S4 to form granular granules;
s6: cleaning the granules, namely cleaning and drying the granules obtained in the step S5;
s7: melt granulation was performed, and the pellets obtained in S6 were used for granulation.
In this embodiment, collect the ear material that biodegradable polymer film preparation in-process cut the production and carry out granulation again, make full use of resource, it is extravagant to reduce, reduction in production cost, adopt in the recovery technology process to the preliminary broken back compaction of ear material into platelike material, carry out the crosscut to platelike material again, indulge the mode of cutting into the aggregate, it cuts crushing effect good, the aggregate size of formation is even, make things convenient for subsequent melting granulation, guarantee the effect of granulation, can avoid the problem that the broken inhomogeneous granulation quality of plastic film influences.
Further, S4 and S5 use a crusher to process the ears as shown in FIGS. 2-5
The crushed aggregates machine includes frame 1 and the suppression device 2 and the grain device 3 of setting in frame 1, and the broken material is pressed into slabby material through suppression device 2, and slabby material is cut into the aggregate through cutting grain device 3, cuts grain device 3 and includes:
a conveyor belt 31 for receiving the discharge end of the pressing device 2;
cut roller 32, the setting is in frame 1, is located the top of conveyer belt 31, cuts roller 32 and includes:
the outer cutter barrel 321 is rotatably arranged on the frame 1, a plurality of longitudinal cutters 322 are arranged on the periphery of the outer cutter barrel 321, and the plurality of longitudinal cutters 322 are uniformly arranged along the length direction of the outer cutter barrel 321;
the inner cam 323 is fixedly arranged on the frame 1 and positioned in the outer roller cutter;
a plurality of cutter bars 324 are provided, one end of each cutter bar 324 is provided with a roller 325, the other end of each cutter bar 324 penetrates through the outer cutter cylinder 321 to be provided with a transverse cutter 326, and the transverse cutter 326 is positioned between two adjacent longitudinal cutters 322;
and an elastic member 327 providing an elastic force for contacting the roller 325 with the inner cam 323.
Use the crushed aggregates machine to carry out the breakage to the ear material, the broken material after carrying out the ear material breakage is earlier suppressed into slabby material through suppression device 2, then slabby material is carried and is cut grain device 3 and cut grain, suppression device 2 presses broken material into slabby material after, slabby material falls on conveyer belt 31, move along with conveyer belt 31, when moving to cutting roller 32 department, the vertical cutter 322 on the outer sword section of thick bamboo 321 carries out the rip cutting to slabby material, make slabby material be cut into the strip, the horizontal cutter 326 carries out the crosscut to slabby material simultaneously, accomplish the eage grain of slabby material, then the aggregate is collected along with conveyer belt 31 by the transportation.
The cross cutter 326 is disposed at one end of the cutter bar 324 passing through the outer cutter cylinder 321, the roller 325 is disposed at the other end of the cutter bar 324, and the roller 325 is in contact with the outer circumference of the inner cam 323 fixedly disposed on the frame 1 through the elastic member 327. When outer knife section of thick bamboo 321 rotates, cutter arbor 324 can rotate thereupon, make gyro wheel 325 roll on inner cam 323, and along with the roll of gyro wheel 325, the length that makes cutter arbor 324 stretch out outer knife section of thick bamboo 321 changes, when cutting the grain, cross cutter 326 stretches out the cutting slabby material, withdraw immediately afterwards, cut through the up-and-down motion of cross cutter 326, simulation cutter cutting state, reduce the contact with slabby material, reduce the time of the effect of cross cutter 326 production non-cutting direction power to slabby material, promote the cutting effect, and can carry out crosscut and rip cutting simultaneously through the rotation of outer knife section of thick bamboo 321, can effectual promotion cut grain efficiency.
The inner cam 323 includes:
a first support roller 3231 fixedly provided on the frame 1;
a second support roller 3232, which is slidably disposed on the frame 1 in the vertical direction;
an endless belt 3233 wound around the first support roller 3231 and the second support roller 3232, the endless belt 3233 being an elastic belt, and the roller 325 being in contact with the endless belt 3233;
and an adjusting mechanism for adjusting a distance between the first support roller 3231 and the second support roller 3232.
The first support roller 3231 is designed to be coaxial with the adjusting outer cutter barrel 321, the second support roller 3232 is arranged below the first support roller 3231, the distance between the outer surface of the inner cam 323 and the rotating shaft of the outer cutter barrel 321 can be adjusted by adjusting the distance between the first support roller 3231 and the second support roller 3232 through an adjusting mechanism, the extending length of the cutter bar 324 can be adjusted accordingly, and when the cross cutter 326 performs cutting, the roller 325 on the cutter bar 324 is supported by the second support roller 3232, so that the pressure during cutting can be ensured. Inner cam 323 utilizes above-mentioned structural design to be adjustable, conveniently adjusts the depth of cut of cross-cut 326, guarantees to cut grain effect.
A first inclined plane and a second inclined plane which form an included angle with the horizontal plane are respectively arranged on the first support roller 3231 and the second support roller 3232;
the adjustment mechanism includes:
the sliding block 3234 is characterized in that the first supporting roller 3231 and the second supporting roller 3232 are connected through the sliding block 3234, the sliding block 3234 is provided with a third inclined surface matched with the first inclined surface and a fourth inclined surface matched with the second inclined surface, the sliding block 3234 slides along the first inclined surface, and a threaded hole is formed in the sliding block 3234;
and the screw rod 3235 is rotatably arranged on the machine frame 1 and is matched and connected with the threaded hole.
When adjusting the crosscut 326, generally only need carry out a small amount of regulation, need very high regulation precision, sliding block 3234 and first backing roll 3231 and second backing roll 3232's inclined plane contact, can drive second backing roll 3232 motion through promoting sliding block 3234, utilize the amplification effect on inclined plane, the rethread sets up screw rod 3235, rotate through screw rod 3235 and drive sliding block 3234 motion, utilize the amplification effect of screw lead screw mechanism, utilize inclined plane and the dual amplification effect of screw lead screw to promote the regulation precision, it is more convenient during the adjustment, it is accurate.
Sliding blocks 3234 are arranged at two ends of the first supporting roller 3231 and the second supporting roller 3232, and two sections of threads with opposite rotation directions are arranged on the screw 3235 and are respectively matched with the two sliding blocks 3234.
Sliding blocks 3234 are arranged at two ends of the first supporting roller 3231 and the second supporting roller 3232, so that the supporting effect is improved, a bidirectional screw 3235 is matched with the two sliding blocks, the two sliding blocks 3234 can be adjusted simultaneously by rotating the screw 3235, the two sliding blocks 3234 move oppositely or reversely, and the adjusting accuracy is guaranteed.
In one embodiment, the pressing device 2 comprises a first pressing roller 21, a second pressing roller 22, a third pressing roller 23 and a reversing mechanism 24 which are arranged on the frame 1 from top to bottom in sequence;
the first press roller 21 and the second press roller 22 form a first compaction mechanism, and the second press roller 22 and the third press roller 23 form a second compaction mechanism;
the compaction thickness of the first compaction mechanism is larger than that of the second compaction mechanism;
the outlet of the first compaction mechanism and the inlet of the second compaction mechanism are provided with reversing mechanisms 24.
The reversing mechanism 24 includes:
a first guide plate 241 provided at an outlet of the first compaction mechanism;
a second guide plate 242 provided at an inlet of the second compaction mechanism;
the reversing plate 243, the one end far away from the first guide plate 241 and the second guide plate 242 is rotatably arranged on the frame 1, the reversing plate 243 can be rotated to make the other end of the reversing plate 243 contact with the first guide plate 241 or the second guide plate 242, the reversing plate 243 is provided with a plurality of uniformly arranged conveying rollers 244, and the rotating shaft end of the reversing plate is provided with a baffle 245.
The first pressing roller 21, the second pressing roller 22 and the third pressing roller 23 which are arranged from top to bottom are utilized to form a first compaction mechanism and a second compaction mechanism, wherein the first pressing roller 21 and the third pressing roller 23 rotate reversely and are opposite to the rotation direction of the second pressing roller 22, the compaction thickness of the first compaction mechanism is larger than that of the second compaction mechanism, broken materials are preliminarily compacted through the first compaction mechanism, and the broken materials enter the second compaction mechanism for further compaction after the movement direction is converted through the reversing mechanism 24.
When the preliminary pressing is carried out, the reversing plate 243 is in contact with the first guide plate 241, the height of the reversing plate 243 is gradually reduced along the direction close to the rotating shaft of the reversing plate 243, the compacted plate-shaped material enters the reversing plate 243 through the first guide plate 241 and is completely conveyed onto the reversing plate 243 under the movement of the conveying roller 244 and is blocked by the baffle 245, then the reversing plate 243 rotates to be in contact with the second guide plate 242, the reversing plate 243 is gradually reduced along the direction far from the rotating shaft of the reversing plate 243, and the plate-shaped material subjected to preliminary compaction enters the second compaction mechanism for further compaction through the second guide plate 242 under the conveying of the conveying roller 244.
The conveying roller 244 can be designed to be driven by power or be driven without power, and the gravity of the plate-shaped material is utilized to form conveying during the unpowered driving; the apron 245 may also be designed to slide on the reversing plate 243, and the sliding of the apron 245 may be used to power the introduction of the sheet material into the second compaction mechanism.
A feeding groove 25 is arranged at the inlet of the first compaction mechanism, the inlet of the feeding groove 25 is connected with the feeding mechanism, and a damping structure is arranged at the outlet of the feeding groove 25;
the feed chute 25 gradually decreases in height from the inlet to the outlet.
Through the first compaction mechanism of feed chute 25 guide broken material entering, guarantee the feeding effect, use feeding mechanism to send broken material into feed chute 25 in, feed chute 25 has the import to export highly reduce gradually can make broken material move in feed chute 25 can be by preliminary extrusion be platelike, sets up damping mechanism in the export of feed chute 25, can increase the frictional force of broken material export, promotes extruded effect.
And a cutting knife 27 is arranged at the outlet of the feed chute 25, so that the pressing amount of each time is controlled, and the smooth proceeding of the subsequent processes is ensured.
The feeding mechanism can adopt a packing auger conveying mechanism, and the damping mechanism can adopt a friction pad or a mode of arranging friction grains.
The outlet of the second compaction mechanism exits the trough 26, and the outlet of the trough 26 is located above the conveyor belt 31.
The sheet material is directed by the discharge chute 26 to fall onto the conveyor belt 31.
Heating means are provided for heating the first press roll 21, the second press roll 22 and the third press roll 23.
The first press roller 21, the second press roller 22 and the third press roller 23 can be heated by the heating device, so that the plastic can be heated when being compacted, the plastic is softened, the compaction is convenient, and the compaction effect is improved.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A biodegradable polymer film recovery process is characterized by comprising the following steps:
s1: collecting the ear material, namely collecting the cut ear material in the production process of the biodegradable polymer film;
s2: surface cleaning, namely performing surface cleaning and drying on the ear material collected in S1;
s3: performing primary crushing, namely crushing the cleaned ear material in the step S2 to obtain a crushed material;
s4: press forming, namely pressing the crushed material obtained in the step S3 into a plate shape to form a plate-shaped material;
s5: cutting and granulating, namely longitudinally cutting and transversely cutting the plate-shaped material obtained in the step S4 to form granular granules;
s6: cleaning the granules, namely cleaning and drying the granules obtained in the step S5;
s7: melt granulation was performed, and the pellets obtained in S6 were used for granulation.
2. The recycling process of biodegradable polymer film according to claim 1, wherein said S4 and S5 are processed by a crusher, said crusher comprises a frame (1) and a pressing device (2) and a dicing device (3) disposed on said frame (1), the crushed material is pressed into a plate-like material by said pressing device (2), the plate-like material is cut into pellets by said dicing device (3), said dicing device (3) comprises:
a conveyor belt (31) for receiving the discharge end of the pressing device (2);
cut roller (32), set up in frame (1) is located the top of conveyer belt (31), cut roller (32) include:
the outer cutter barrel (321) is rotatably arranged on the rack (1), a plurality of longitudinal cutters (322) are arranged on the periphery of the outer cutter barrel (321), and the longitudinal cutters (322) are uniformly arranged along the length direction of the outer cutter barrel (321);
the inner cam (323) is fixedly arranged on the rack (1) and is positioned in the outer knife cylinder (321);
a plurality of cutter bars (324), wherein one end of each cutter bar (324) is provided with a roller (325), the other end of each cutter bar penetrates through the outer cutter cylinder (321) and is provided with a transverse cutter (326), and the transverse cutter (326) is positioned between two adjacent longitudinal cutters (322);
an elastic member 327 providing an elastic force contacting the roller 325 with the inner cam 323.
3. The recycling process of biodegradable polymer film according to claim 2, wherein said inner cam (323) comprises:
the first supporting roller (3231) is fixedly arranged on the rack (1);
the second supporting roller (3232) is arranged on the rack (1) in a sliding mode along the vertical direction;
an endless belt (3233) wound around the first support roller (3231) and the second support roller (3232), the endless belt (3233) being an elastic belt, the roller (325) being in contact with the endless belt (3233);
an adjusting mechanism for adjusting a distance between the first support roller (3231) and the second support roller (3232).
4. The recycling process of biodegradable polymer film according to claim 3,
a first inclined plane and a second inclined plane which form an included angle with the horizontal plane are respectively arranged on the first supporting roller (3231) and the second supporting roller (3232);
the adjustment mechanism includes:
the sliding block (3234), the first supporting roller (3231) and the second supporting roller (3232) are connected through the sliding block (3234), the sliding block (3234) is provided with a third inclined surface matched with the first inclined surface and a fourth inclined surface matched with the second inclined surface, the sliding block (3234) slides along the first inclined surface, and a threaded hole is formed in the sliding block (3234);
the screw rod (3235), screw rod (3235) rotate and set up on frame (1), with the screw hole cooperation is connected.
5. The recycling process of biodegradable polymer film according to claim 4, wherein sliding blocks (3234) are disposed at two ends of said first supporting roller (3231) and said second supporting roller (3232), and said screw rod (3235) has two sections of threads with opposite rotation directions, which are respectively engaged with said two sliding blocks (3234).
6. The recycling process of biodegradable polymer film according to claim 3, wherein the pressing device (2) comprises a first pressing roller (21), a second pressing roller (22), a third pressing roller (23) and a reversing mechanism (24) which are sequentially arranged on the frame (1) from top to bottom;
the first press roller (21) and the second press roller (22) form a first compaction mechanism, and the second press roller (22) and the third press roller (23) form a second compaction mechanism;
the first compaction mechanism has a compaction thickness greater than the compaction thickness of the second compaction mechanism;
the outlet of the first compaction mechanism and the inlet of the second compaction mechanism are provided with the reversing mechanism (24).
7. The recycling process of biodegradable polymer film according to claim 6, wherein said reversing mechanism (24) comprises:
a first guide plate (241) arranged at an outlet of the first compaction mechanism;
a second guide plate (242) disposed at an inlet of the second compaction mechanism;
the reversing plate (243) is far away from one end of the first guide plate (241) and one end of the second guide plate (242) are rotatably arranged on the rack (1), the reversing plate (243) can be rotated to enable the other end of the reversing plate (243) to be in contact with the first guide plate (241) or the second guide plate (242), a plurality of uniformly-arranged conveying rollers (244) are arranged on the reversing plate (243), and a baffle (245) is arranged at the end close to the rotating shaft of the reversing plate (243).
8. The recycling process of biodegradable polymer film according to claim 6, wherein a feeding trough (25) is provided at the inlet of the first compacting mechanism, a feeding mechanism is connected at the inlet of the feeding trough (25), and a damping structure is provided at the outlet of the feeding trough (25);
the height of the feed chute (25) is gradually reduced from the inlet to the outlet.
9. The recycling process of biodegradable polymer film according to claim 6, wherein the outlet of said second compacting mechanism is a discharge chute (26), and the outlet of said discharge chute (26) is located above said conveyor belt (31).
10. The recycling process of biodegradable polymer film according to claim 6, wherein a heating device is provided for heating the first pressing roller (21), the second pressing roller (22) and the third pressing roller (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110407163.1A CN113085059B (en) | 2021-04-15 | 2021-04-15 | Biodegradable polymer film recovery process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110407163.1A CN113085059B (en) | 2021-04-15 | 2021-04-15 | Biodegradable polymer film recovery process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113085059A true CN113085059A (en) | 2021-07-09 |
| CN113085059B CN113085059B (en) | 2022-11-01 |
Family
ID=76677980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110407163.1A Active CN113085059B (en) | 2021-04-15 | 2021-04-15 | Biodegradable polymer film recovery process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113085059B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113816800A (en) * | 2021-10-30 | 2021-12-21 | 史丹利农业集团股份有限公司 | Medium trace element fertilizer for regulating alkaline soil and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1146395A (en) * | 1996-07-16 | 1997-04-02 | 海南环美实业有限公司 | Plastic material made from waste material and method |
| CN107627608A (en) * | 2017-10-27 | 2018-01-26 | 宁夏共享模具有限公司 | A kind of reclaiming device of FDM printings waste material |
| CN111452246A (en) * | 2019-11-09 | 2020-07-28 | 庞海峰 | Granulator for plastic production |
| CN111590780A (en) * | 2020-06-15 | 2020-08-28 | 孙燕 | Medical waste plastic recovery treatment process |
| CN111590790A (en) * | 2020-06-03 | 2020-08-28 | 陈铭军 | Waste plastic granulation forming process |
| CN212528338U (en) * | 2020-06-22 | 2021-02-12 | 江西金辉塑业有限公司 | Extrusion granulation device for regenerated plastic particles |
-
2021
- 2021-04-15 CN CN202110407163.1A patent/CN113085059B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1146395A (en) * | 1996-07-16 | 1997-04-02 | 海南环美实业有限公司 | Plastic material made from waste material and method |
| CN107627608A (en) * | 2017-10-27 | 2018-01-26 | 宁夏共享模具有限公司 | A kind of reclaiming device of FDM printings waste material |
| CN111452246A (en) * | 2019-11-09 | 2020-07-28 | 庞海峰 | Granulator for plastic production |
| CN111590790A (en) * | 2020-06-03 | 2020-08-28 | 陈铭军 | Waste plastic granulation forming process |
| CN111590780A (en) * | 2020-06-15 | 2020-08-28 | 孙燕 | Medical waste plastic recovery treatment process |
| CN212528338U (en) * | 2020-06-22 | 2021-02-12 | 江西金辉塑业有限公司 | Extrusion granulation device for regenerated plastic particles |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113816800A (en) * | 2021-10-30 | 2021-12-21 | 史丹利农业集团股份有限公司 | Medium trace element fertilizer for regulating alkaline soil and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113085059B (en) | 2022-11-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113085059B (en) | Biodegradable polymer film recovery process | |
| CN111673947A (en) | Cutting side band recycling mechanism for plastic sheet production | |
| CN206899358U (en) | PVC sheet waste material recovery device | |
| CN104604458B (en) | Straw fixed-length cutting device with controllable length | |
| CN210226269U (en) | Straw is collected and is smashed granulation all-in-one | |
| CN2318022Y (en) | Roll type granule making machine | |
| CN212653704U (en) | Cutting side band recycling mechanism for plastic sheet production | |
| CN212949076U (en) | Feeding device of film recycling extruder | |
| CN204080218U (en) | Fibre cutting machine | |
| CN211362733U (en) | Sawdust extruding and blocking device | |
| CN209987115U (en) | Wood tray crusher | |
| CN208729965U (en) | A kind of PS editions automatic cutting device | |
| CN2680436Y (en) | Plastic film reclaiming granulating machine | |
| CN215086928U (en) | Flat die granulation machine | |
| CN2296765Y (en) | Crusher | |
| CN203496155U (en) | Granulation equipment for plastic film | |
| CN210173994U (en) | Reclaimed plastic processing conveyer | |
| CN218090277U (en) | Fiber cutting machine | |
| CN221048831U (en) | Mechanical plastic film residue mixture shredding equipment | |
| CN113083931B (en) | Continuous extrusion machine | |
| CN219563834U (en) | Material crushing and feeding device | |
| CN219666882U (en) | Extruded sheet deburring device | |
| CN210362056U (en) | Based on reducing mechanism for plastics | |
| CN113400377B (en) | Rice noodle cutting machine | |
| CN210936411U (en) | Waste recovery equipment in battery harness production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Biodegradable Polymer Membrane Recovery Process Granted publication date: 20221101 Pledgee: Bank of Communications Co.,Ltd. Hebei Xiong'an Branch Pledgor: XIONGXIAN LIYA PACKING MATERIAL Co.,Ltd. Registration number: Y2024980001679 |