CN107984646B - A kind of improved agricultural film recycling non-slurry pelletizing preparation process - Google Patents
A kind of improved agricultural film recycling non-slurry pelletizing preparation process Download PDFInfo
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- CN107984646B CN107984646B CN201711264147.1A CN201711264147A CN107984646B CN 107984646 B CN107984646 B CN 107984646B CN 201711264147 A CN201711264147 A CN 201711264147A CN 107984646 B CN107984646 B CN 107984646B
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- agricultural film
- toluene
- preparation process
- fragment
- film fragment
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- 238000005453 pelletization Methods 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000002002 slurry Substances 0.000 title claims abstract description 13
- 238000004064 recycling Methods 0.000 title claims abstract description 8
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000012634 fragment Substances 0.000 claims abstract description 24
- 239000004033 plastic Substances 0.000 claims abstract description 20
- 229920003023 plastic Polymers 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 16
- 239000000706 filtrate Substances 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000003723 Smelting Methods 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims abstract description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 claims description 6
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 4
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- FIGVVZUWCLSUEI-UHFFFAOYSA-N n-tricosane Natural products CCCCCCCCCCCCCCCCCCCCCCC FIGVVZUWCLSUEI-UHFFFAOYSA-N 0.000 claims description 3
- ALVYUZIFSCKIFP-UHFFFAOYSA-N triethoxy(2-methylpropyl)silane Chemical compound CCO[Si](CC(C)C)(OCC)OCC ALVYUZIFSCKIFP-UHFFFAOYSA-N 0.000 claims description 3
- JXTPJDDICSTXJX-UHFFFAOYSA-N n-Triacontane Natural products CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC JXTPJDDICSTXJX-UHFFFAOYSA-N 0.000 claims description 2
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- -1 tricosane 2,6- difluoro-benzoic acid methyl esters Chemical class 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 239000010865 sewage Substances 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract description 2
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- QNPFLTKQLFSKBY-UHFFFAOYSA-N methyl 2,6-difluorobenzoate Chemical class COC(=O)C1=C(F)C=CC=C1F QNPFLTKQLFSKBY-UHFFFAOYSA-N 0.000 description 2
- FPLNRAYTBIFSFW-UHFFFAOYSA-N tricosan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCCCCCCO FPLNRAYTBIFSFW-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- ONOTYLMNTZNAQZ-UHFFFAOYSA-N 2,6-difluorobenzoic acid Chemical compound OC(=O)C1=C(F)C=CC=C1F ONOTYLMNTZNAQZ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000005550 wet granulation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
-
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/06—Recovery or working-up of waste materials of polymers without chemical reactions
- C08J11/08—Recovery or working-up of waste materials of polymers without chemical reactions using selective solvents for polymer components
-
- 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
- B29B2017/001—Pretreating the materials before recovery
- B29B2017/0015—Washing, rinsing
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/30—Polymeric waste or recycled polymer
-
- 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)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a kind of improved agricultural films to recycle non-slurry pelletizing preparation process, comprising the following steps: A, is put into rinse bath after recycling worn-out agricultural film, is cleaned using the ethanol water of 87wt%；B, the agricultural film after cleaning is dried, is then crushed；C, smashed agricultural film fragment is put into rinse bath, is stirred after the ethanol water of 87wt% is added, collecting net is installed in the side wall of rinse bath；D, the agricultural film fragment being collected into is dried, the agricultural film fragment after drying is then put into smelting furnace, toluene is added and is heated, after waiting agricultural film fragment to be dissolved completely in toluene, toluene liquid is filtered, obtain filtrate；E, filtrate is injected into evaporator, is heated, toluene vapor is recycled, and obtain plastic raw materials；F, extruding pelletization is carried out to plastic raw materials using extruder.The present invention can improve the deficiencies in the prior art, under the premise of retaining cleaning process, reduce the yield of sewage.
Description
Technical field
The present invention relates to technical field of plastic, especially a kind of improved agricultural film recycles non-slurry pelletizing preparation process.
Background technique
The large-scale use of agricultural plastic film, bring environmental pollution are on the rise, and the discarded and disposition of agricultural film is
Cause a series of environmental problems.Regeneration and granulation is most economical and most convenient method, product consumption during worn-out agricultural film recycles
It greatly, is the most important agricultural film recovery technology of suitable for China.105710992 A of Chinese invention patent application CN discloses one kind
Agricultural film recycles non-slurry pelletizing preparation process, has fully phased out cleaning step used in wet granulation.But fully phase out cleaning
Step will lead to the increase of granulating raw material impurity, reduce the quality of regenerated plastics.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of improved agricultural films to recycle non-slurry pelletizing preparation process, can solve
Certainly the deficiencies in the prior art reduce the yield of sewage under the premise of retaining cleaning process.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of improved agricultural film recycling non-slurry pelletizing preparation process, comprising the following steps:
A, it is put into rinse bath after recycling worn-out agricultural film, is cleaned using the ethanol water of 87wt%；
B, the agricultural film after cleaning is dried, is then crushed；
C, smashed agricultural film fragment is put into rinse bath, is stirred after the ethanol water of 87wt% is added, clear
The side wall of washing trough is equipped with collecting net, is collected using collecting net to agricultural film fragment, is used for agricultural film fragment and grit impurity
It is separated；
D, the agricultural film fragment being collected into is dried, the agricultural film fragment after drying is then put into smelting furnace, toluene is added
And heated, after waiting agricultural film fragment to be dissolved completely in toluene, toluene liquid is filtered, obtains filtrate；
E, filtrate is injected into evaporator, is heated, toluene vapor is recycled, and obtain plastic raw materials；
F, extruding pelletization is carried out to plastic raw materials using extruder.
Preferably, further including the sodium bicarbonate of 3wt% in step A, in ethanol water.
Preferably, the isobutyl triethoxy silane of 0.75wt%, the neighbour of 1.2wt% are added in filtrate in step E
Diethyl phthalate, the Diethylenetriamine of 3wt%, 10wt% the pure and mild 4.5wt% of tricosane 2,6- difluoro-benzoic acid first
Ester.
Preferably, the evaporator includes cavity, it is provided with rotary shaft in cavity, is provided with helical-blade on the outside of rotary shaft
Piece is provided with snorkel in rotary shaft, and rotary shaft side is provided with several fumaroles being connected with snorkel；Helical blade
Surface is provided with trapezoidal groove, and the top width of trapezoidal groove is less than bottom width, and trapezoidal groove bottom surface is provided with several segments and adds
Heated filament, trapezoidal groove bottom surface are provided with several first through hole, and first through hole is arranged in the two sides of heater strip.
Preferably, the trapezoidal groove bottom surface is equipped with oven wire mesh blanket.
Preferably, the oven wire mesh blanket and trapezoidal groove are provided with baffle plate.
Brought beneficial effect is by adopting the above technical scheme: the present invention is by using high concentration ethanol solution instead to useless
Old agricultural film is cleaned, and can greatly be reduced sewage yield, be recycled simultaneously for ethyl alcohol, to reduce
Contaminant capacity.By the way that sodium bicarbonate is added in cleaning solution, the cleaning for agricultural film surface lipid impurities can be improved.
The present invention dissolves agricultural film fragment using toluene, separated to remaining impurity on agricultural film fragment
Filter, improves the quality of plastic raw materials.By the way that corresponding additive is added in filtrate, the property of regenerated plastics can effectively improve
Energy.After addition 2,6- difluoro-benzoic acid methyl esters and tricosanol, plastic raw materials when can effectively improve extruding pelletization
Impact strength.
The present invention is directed to above-mentioned improved process, is improved evaporator.Existing evaporator is separated in evaporation
During toluene, after toluene level is reduced, since the viscosity of plastic raw materials increases, lead to the fast prompt drop of evaporation efficiency
It is low.The evaporator that the present invention designs is sufficiently stirred the plastic raw materials of molten condition, by installing helical blade additional to guarantee
Its toluene ingredient contained can be with rapid evaporation.Fumarole is used to accelerate the volatilization of toluene with air-flow to inflating in plastic raw materials.
Oven wire mesh blanket can carry out stereoscopic heating into the plastic raw materials crossed, it is former to improve plastics after the heat for absorbing heater strip
Homogeneous heating degree inside material, improves the evaporation of toluene.Baffle plate is used to improve recycle stream of the plastic raw materials on helical blade
Dynamic effect.First through hole is used to improve the fluid amount of flow inside and outside helical blade.
Detailed description of the invention
Fig. 1 is the structure chart of a specific embodiment of the invention.
Fig. 2 is the structure chart of helical blade in a specific embodiment of the invention.
In figure: 1, cavity；2, rotary shaft；3, helical blade；4, snorkel；5, fumarole；6, trapezoidal groove；7, it heats
Silk；8, first through hole；9, oven wire mesh blanket；10, baffle plate；11, the second through-hole；12, spiral stream guidance slot.
Specific embodiment
The standardized element used in the present invention can commercially, and shaped piece is according to specification and attached drawing
Record can carry out customized, and the specific connection type of each part is all made of in the prior art mature bolt, rivet, weldering
The conventional means such as connect, paste, this will not be detailed here.
Embodiment 1
A kind of improved agricultural film recycling non-slurry pelletizing preparation process, comprising the following steps:
A, it is put into rinse bath after recycling worn-out agricultural film, is cleaned using the ethanol water of 87wt%；
B, the agricultural film after cleaning is dried, is then crushed；
C, smashed agricultural film fragment is put into rinse bath, is stirred after the ethanol water of 87wt% is added, clear
The side wall of washing trough is equipped with collecting net, is collected using collecting net to agricultural film fragment, is used for agricultural film fragment and grit impurity
It is separated；
D, the agricultural film fragment being collected into is dried, the agricultural film fragment after drying is then put into smelting furnace, toluene is added
And heated, after waiting agricultural film fragment to be dissolved completely in toluene, toluene liquid is filtered, obtains filtrate；
E, filtrate is injected into evaporator, is heated, toluene vapor is recycled, and obtain plastic raw materials；
F, extruding pelletization is carried out to plastic raw materials using extruder.
Embodiment 2
The present embodiment improves on the basis of embodiment 1.It further include 3wt% in ethanol water in step A
Sodium bicarbonate.
Embodiment 3
The present embodiment is improved on the basis of embodiment 2.In step E, it is added 0.75wt%'s in filtrate
Isobutyl triethoxy silane, the diethyl phthalate of 1.2wt%, the Diethylenetriamine of 3wt%, 10wt% 23
The 2,6- difluoro-benzoic acid methyl esters of alkanol and 4.5wt%.
The plastic grain that partial size to above three embodiments preparation is 0.2mm compares detection, as a result as follows:
| Group | Impurity content (‰) | Tensile strength (MPa) | Impact strength (J/m) |
| Embodiment 1 | 0.12 | 35.6 | 56.5 |
| Embodiment 2 | 0.07 | 39.4 | 61.8 |
| Embodiment 3 | 0.07 | 45.7 | 78.2 |
Embodiment 4
Evaporator includes cavity 1, and rotary shaft 2 is provided in cavity 1, and helical blade 3 is provided on the outside of rotary shaft 2, rotation
Snorkel 4 is provided in axis 2,2 side of rotary shaft is provided with several fumaroles 5 being connected with snorkel 4；Helical blade 3
Surface is provided with trapezoidal groove 6, and the top width of trapezoidal groove 6 is less than bottom width, and 6 bottom surface of trapezoidal groove is provided with several segments
Heater strip 7,6 bottom surface of trapezoidal groove are provided with several first through hole 8, and first through hole 8 is arranged in the two sides of heater strip 7.It is trapezoidal
6 bottom surface of groove is equipped with oven wire mesh blanket 9.Oven wire mesh blanket 9 and trapezoidal groove 6 are provided with baffle plate 10.
The second through-hole 11 is provided between the edge and first through hole 8 of 6 bottom of trapezoidal groove, 8 inner wall of first through hole is set
It is equipped with spiral stream guidance slot 12.The fluid flow uniformity inside and outside helical blade 3 can be improved in spiral stream guidance slot 12.Pass through setting the
Two through-holes 11, can break " flow dead zone " of 6 bottom margin of trapezoidal groove, and it is lateral to improve 6 internal flow of trapezoidal groove
The efficiency of flowing improves the fluid flow efficiency inside entire evaporator.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of the description present invention, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (5)
1. a kind of improved agricultural film recycles non-slurry pelletizing preparation process, it is characterised in that the following steps are included:
A, it is put into rinse bath after recycling worn-out agricultural film, is cleaned using the ethanol water of 87wt%；
B, the agricultural film after cleaning is dried, is then crushed；
C, smashed agricultural film fragment is put into rinse bath, is stirred after the ethanol water of 87wt% is added, in rinse bath
Side wall collecting net is installed, agricultural film fragment is collected using collecting net, for carrying out agricultural film fragment and grit impurity
Separation；
D, the agricultural film fragment being collected into is dried, the agricultural film fragment after drying is then put into smelting furnace, toluene is added and goes forward side by side
Row heating is filtered toluene liquid after waiting agricultural film fragment to be dissolved completely in toluene, obtains filtrate；
E, filtrate is injected into evaporator, is heated, toluene vapor is recycled, and obtain plastic raw materials；
The evaporator includes cavity (1), is provided with rotary shaft (2) in cavity (1), is provided with helical-blade on the outside of rotary shaft (2)
Piece (3), rotary shaft (2) is interior to be provided with snorkel (4), and rotary shaft (2) side is provided with what several were connected with snorkel (4)
Fumarole (5)；Helical blade (3) surface is provided with trapezoidal groove (6), and the top width of trapezoidal groove (6) is less than bottom width,
Trapezoidal groove (6) bottom surface is provided with several segments heater strip (7), and trapezoidal groove (6) bottom surface is provided with several first through hole (8),
First through hole (8) is arranged in the two sides of heater strip (7)；
F, extruding pelletization is carried out to plastic raw materials using extruder.
2. improved agricultural film according to claim 1 recycles non-slurry pelletizing preparation process, it is characterised in that: in step A, second
It further include the sodium bicarbonate of 3wt% in alcohol solution.
3. improved agricultural film according to claim 1 recycles non-slurry pelletizing preparation process, it is characterised in that: in step E, In
The diethyl of the isobutyl triethoxy silane of 0.75wt%, the diethyl phthalate of 1.2wt%, 3wt% are added in filtrate
Triamine, 10wt% the pure and mild 4.5wt% of tricosane 2,6- difluoro-benzoic acid methyl esters.
4. improved agricultural film according to claim 1 recycles non-slurry pelletizing preparation process, it is characterised in that: described trapezoidal recessed
Slot (6) bottom surface is equipped with oven wire mesh blanket (9).
5. improved agricultural film according to claim 4 recycles non-slurry pelletizing preparation process, it is characterised in that: the wire
Baffle plate (10) are provided between stratum reticulare (9) and trapezoidal groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711264147.1A CN107984646B (en) | 2018-01-24 | 2018-01-24 | A kind of improved agricultural film recycling non-slurry pelletizing preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711264147.1A CN107984646B (en) | 2018-01-24 | 2018-01-24 | A kind of improved agricultural film recycling non-slurry pelletizing preparation process |
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| Publication Number | Publication Date |
|---|---|
| CN107984646A CN107984646A (en) | 2018-05-04 |
| CN107984646B true CN107984646B (en) | 2019-10-29 |
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| CN201711264147.1A Active CN107984646B (en) | 2018-01-24 | 2018-01-24 | A kind of improved agricultural film recycling non-slurry pelletizing preparation process |
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| CN114290559B (en) * | 2021-12-31 | 2024-03-22 | 连云港永泰塑业有限公司 | Production method for preparing regenerated plastic particles by using waste fishing nets |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103467775A (en) * | 2013-08-26 | 2013-12-25 | 深圳百亿莱实业有限公司 | Method for extracting polyethene from polyethene white garbage |
| CN103692575A (en) * | 2013-12-18 | 2014-04-02 | 李小丹 | Method for recycling waste agricultural plastic films |
| CN203964589U (en) * | 2014-06-20 | 2014-11-26 | 韦超旺 | Granule materials drying machine |
-
2018
- 2018-01-24 CN CN201711264147.1A patent/CN107984646B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103467775A (en) * | 2013-08-26 | 2013-12-25 | 深圳百亿莱实业有限公司 | Method for extracting polyethene from polyethene white garbage |
| CN103692575A (en) * | 2013-12-18 | 2014-04-02 | 李小丹 | Method for recycling waste agricultural plastic films |
| CN203964589U (en) * | 2014-06-20 | 2014-11-26 | 韦超旺 | Granule materials drying machine |
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| CN107984646A (en) | 2018-05-04 |
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Denomination of invention: An improved dry granulation process for agricultural film recycling Effective date of registration: 20231120 Granted publication date: 20191029 Pledgee: Yinchuan SME Financing Guarantee Co.,Ltd. Pledgor: NINGXIA RUNLONG PACKAGING NEW MATERIAL Co.,Ltd. Registration number: Y2023640000043 |