CN111805799A - Recovery method of plastic packaging film - Google Patents
Recovery method of plastic packaging film Download PDFInfo
- Publication number
- CN111805799A CN111805799A CN202010236400.8A CN202010236400A CN111805799A CN 111805799 A CN111805799 A CN 111805799A CN 202010236400 A CN202010236400 A CN 202010236400A CN 111805799 A CN111805799 A CN 111805799A
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- CN
- China
- Prior art keywords
- plastic packaging
- packaging film
- plastic
- cleaning
- recycling method
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- 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
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a method for recycling a plastic packaging film, which comprises the following steps: s1: sorting the plastic packaging films; s2: cleaning the plastic packaging film for the first time; s3: degreasing the plastic packaging film; s4: secondary cleaning and drying of the plastic packaging film; s5: crushing the cleaned plastic packaging film, and adding a functional agent; s6: heating and melting the crushed plastic packaging film; s7: granulating the molten plastic; s8: the plastic granules are cooled and dried. According to the invention, the waste plastic packaging bags are recycled, so that the pollution of the waste plastic packaging bags to the environment can be avoided; and through the recovery processing of the plastic packaging bag, resources can be saved; the plastic packaging bags can be recycled by cleaning, crushing and granulating, the recycling method is simple and easy to implement, and the recycling cost investment is low; by adding the melting agent, the toughness of the plastic can be improved, so that the plastic has better toughness and is not easy to damage.
Description
Technical Field
The invention relates to the technical field of packaging film recycling, in particular to a recycling method of a plastic packaging film.
Background
The packaging film is mainly formed by the resin mixture extrusion of several kinds of different brands, has anti puncture, and super strength high performance twines the packing to the goods of stacking on the layer board, makes the packing material more firm clean and tidy, and superstrong waterproof effect is widely used, at foreign trade export, papermaking, five metals, plastics chemical industry, building materials, food and medicine trade. The packaging film adopts shrink packaging, and has the advantages that: the packaging bag is suitable for packaging commodities in various shapes, and the appearance attractiveness of the product is increased; the film can be tightly attached to a commodity, and has transparency, attractive appearance, cleanness and brightness; the packaged commodity has sanitation and sanitation, and is sealed, dustproof and moisture-proof; the shrink packaging has good shock resistance, impact resistance and good protection performance; the packaged goods have tightness and fixity, and small parts cannot fall to the west in the package; the heat shrinkable film can also be used for replacing various paper boxes, particularly in the aspect of combined (bundling) packaging of irregular-shaped articles or commodities, not only saves the packaging cost, but also conforms to the packaging trend.
However, a large amount of packaging films appear in the market at present, and the packaging films used up are generally discarded, so that not only is the environment polluted, but also the resource waste is caused during recycling.
Disclosure of Invention
The invention aims to provide a recycling method of a plastic packaging film, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a method of recycling plastic packaging film, comprising the steps of:
s1: sorting the plastic packaging films;
s2: cleaning the plastic packaging film for the first time;
s3: degreasing the plastic packaging film;
s4: secondary cleaning and drying of the plastic packaging film;
s5: crushing the cleaned plastic packaging film, and adding a functional agent;
s6: heating and melting the crushed plastic packaging film;
s7: granulating the molten plastic;
s8: the plastic granules are cooled and dried.
Preferably, the sorting of the plastic packaging films in step S1 is to sort the plastic packaging films manually.
Preferably, the first cleaning in step S2 is manual cleaning, and the sludge on the plastic packaging bag is removed by a high-pressure water gun.
Preferably, the degreasing treatment in step S3 is to clean the plastic with a degreasing solvent to remove organic matters such as grease.
Preferably, the plastic packaging film is washed in step S4 by putting the plastic packaging film into a washing machine for washing, and then drying the washed plastic packaging film.
Preferably, the plastic packaging film is pulverized in step S5 by a pulverizer, and the functional agent is added during pulverization, and the functional agent and the pulverized plastic film are stirred while pulverizing, wherein the functional agent is one or more of an antioxidant, an antibacterial agent and a light stabilizer.
Preferably, the plastic packaging film is placed into a melting device and a melting agent is added when the plastic packaging film is heated and melted in step S6.
Preferably, the plastic is pelletized in step S7 by extruding or pelletizing the molten plastic through a pelletizer.
Preferably, the plastic particles are cooled by cold water in step S8, and the drying is performed by natural wind.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention recycles the waste plastic packaging bags, which can avoid the pollution of the waste plastic packaging bags to the environment; and through the recovery processing of the plastic packaging bag, resources can be saved;
2. the plastic packaging bags can be recycled by cleaning, crushing and granulating, the recycling method is simple and easy to implement, and the recycling cost investment is low; and the prepared plastic particles can be ensured to have less impurities through primary cleaning, degreasing and secondary cleaning;
3. by adding the melting agent, the toughness of the plastic can be improved, so that the plastic has better toughness and is not easy to damage; by adding the antioxidant, the antibacterial agent and the light stabilizer, the antioxidant, antibacterial and light-resistant properties of the plastic particles are enhanced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart of a first embodiment of the present invention.
Fig. 2 is a flowchart of a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example one
Referring to fig. 1, in an embodiment of the present invention, a recycling method of a plastic packaging film includes the following steps:
s1: sorting the plastic packaging films;
s2: cleaning the plastic packaging film for the first time;
s3: degreasing the plastic packaging film;
s4: secondary cleaning and drying of the plastic packaging film;
s5: crushing the cleaned plastic packaging film, and adding a functional agent;
s6: heating and melting the crushed plastic packaging film;
s7: granulating the molten plastic;
s8: the plastic granules are cooled and dried.
Preferably, the sorting of the plastic packaging films in step S1 is to sort the plastic packaging films manually.
Preferably, the first cleaning in step S2 is manual cleaning, and the sludge on the plastic packaging bag is removed by a high-pressure water gun.
Preferably, the degreasing treatment in step S3 is to clean the plastic with a degreasing solvent to remove organic matters such as grease.
Preferably, the plastic packaging film is washed in step S4 by putting the plastic packaging film into a washing machine for washing, and then drying the washed plastic packaging film.
Preferably, the plastic packaging film is pulverized in step S5 by a pulverizer, and the functional agent is added during pulverization, and the functional agent and the pulverized plastic film are stirred while pulverizing, wherein the functional agent is one or more of an antioxidant, an antibacterial agent and a light stabilizer.
Preferably, the plastic packaging film is placed into a melting device and a melting agent is added when the plastic packaging film is heated and melted in step S6.
Preferably, the plastic is pelletized in step S7 by extruding or pelletizing the molten plastic through a pelletizer.
Preferably, the plastic particles are cooled by cold water in step S8, and the drying is performed by natural wind.
The working principle of the invention is as follows: the prepared plastic particles can be ensured to have less impurities through primary cleaning, degreasing and secondary cleaning; the waste plastic packaging bags are recycled, so that the pollution of the waste plastic packaging bags to the environment can be avoided; and through the recovery processing of the plastic packaging bag, resources can be saved; the plastic packaging bags can be recycled by cleaning, crushing and granulating, the recycling method is simple and easy to implement, and the recycling cost investment is low; by adding the melting agent, the toughness of the plastic can be improved, so that the plastic has better toughness and is not easy to damage; by adding the antioxidant, the antibacterial agent and the light stabilizer, the antioxidant, antibacterial and light-resistant properties of the plastic particles are enhanced.
Example two
Referring to fig. 2, in an embodiment of the present invention, a recycling method of a plastic packaging film includes the following steps:
s1: sorting the plastic packaging films;
s2: degreasing the plastic packaging film;
s3: cleaning and drying the plastic packaging film;
s4: crushing the cleaned plastic packaging film, and adding a functional agent;
s5: heating and melting the crushed plastic packaging film;
s6: granulating the molten plastic;
s7: the plastic granules are cooled and dried.
Preferably, the sorting of the plastic packaging films in step S1 is to sort the plastic packaging films manually.
Preferably, the degreasing treatment in step S2 is to clean the plastic with a degreasing solvent to remove organic matters such as grease.
Preferably, the plastic packaging film is washed in step S3 by putting the plastic packaging film into a washing machine for washing, and then drying the washed plastic packaging film.
Preferably, the plastic packaging film is pulverized in step S4 by a pulverizer, and the functional agent is added during pulverization, and the functional agent and the pulverized plastic film are stirred while pulverizing, wherein the functional agent is one or more of an antioxidant, an antibacterial agent and a light stabilizer.
Preferably, the plastic packaging film is placed into a melting device and a melting agent is added when the plastic packaging film is heated and melted in step S5.
Preferably, the plastic is pelletized in step S6 by extruding or pelletizing the molten plastic through a pelletizer.
Preferably, the plastic particles are cooled by cold water in step S7, and the drying is performed by natural wind.
The working principle of the invention is as follows: through degreasing and cleaning, the prepared plastic particles can be ensured to have less impurities; the waste plastic packaging bags are recycled, so that the pollution of the waste plastic packaging bags to the environment can be avoided; and through the recovery processing of the plastic packaging bag, resources can be saved; the plastic packaging bags can be recycled by cleaning, crushing and granulating, the recycling method is simple and easy to implement, and the recycling cost investment is low; by adding the melting agent, the toughness of the plastic can be improved, so that the plastic has better toughness and is not easy to damage; by adding the antioxidant, the antibacterial agent and the light stabilizer, the antioxidant, antibacterial and light-resistant properties of the plastic particles are enhanced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A method for recycling plastic packaging films is characterized in that: the method comprises the following steps:
s1: sorting the plastic packaging films;
s2: cleaning the plastic packaging film for the first time;
s3: degreasing the plastic packaging film;
s4: secondary cleaning and drying of the plastic packaging film;
s5: crushing the cleaned plastic packaging film, and adding a functional agent;
s6: heating and melting the crushed plastic packaging film;
s7: granulating the molten plastic;
s8: the plastic granules are cooled and dried.
2. The recycling method of plastic packaging film according to claim 1, wherein: the sorting of the plastic packaging films in step S1 is to sort the plastic packaging films manually.
3. The recycling method of plastic packaging film according to claim 1, wherein: in the step S2, the first cleaning is performed by manual cleaning, and sludge on the plastic packaging bag is removed by a high-pressure water gun.
4. The recycling method of plastic packaging film according to claim 1, wherein: in the step S3, the degreasing treatment is to clean the plastic with a degreasing solvent to remove organic matters such as grease and the like.
5. The recycling method of plastic packaging film according to claim 1, wherein: in the step S4, the plastic packaging film is cleaned by putting the plastic packaging film into a cleaning machine, and then drying the cleaned plastic packaging film.
6. The recycling method of plastic packaging film according to claim 1, wherein: and step S5, the plastic packaging film is crushed by a crusher, a functional agent is added during crushing, the functional agent and the crushed plastic film are stirred while crushing, and the functional agent adopts one or more of an antioxidant, an antibacterial agent and a light stabilizer.
7. The recycling method of plastic packaging film according to claim 1, wherein: and S6, putting the plastic packaging film into melting equipment and adding a melting agent when the plastic packaging film is heated and melted.
8. The recycling method of plastic packaging film according to claim 1, wherein: in the step S7, the plastic is pelletized by an extruder or a pelletizer.
9. The recycling method of plastic packaging film according to claim 1, wherein: in the step S8, the plastic particles are cooled by cold water, and the drying is performed by natural wind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010236400.8A CN111805799A (en) | 2020-03-30 | 2020-03-30 | Recovery method of plastic packaging film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010236400.8A CN111805799A (en) | 2020-03-30 | 2020-03-30 | Recovery method of plastic packaging film |
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| Publication Number | Publication Date |
|---|---|
| CN111805799A true CN111805799A (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010236400.8A Pending CN111805799A (en) | 2020-03-30 | 2020-03-30 | Recovery method of plastic packaging film |
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| Country | Link |
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| CN (1) | CN111805799A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681768A (en) * | 2021-07-12 | 2021-11-23 | 厦门陆海环保股份有限公司 | Method for preparing high-valued recycled plastic particles by utilizing recycled garbage films |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4420211C1 (en) * | 1994-06-09 | 1995-10-26 | Kuhne Anlagenbau Gmbh | Preparation of granules from contaminated mixed polymer waste |
| CN107322831A (en) * | 2017-06-20 | 2017-11-07 | 舒城安泰塑料制品有限公司 | A kind of plastics recycling process |
| CN107443618A (en) * | 2017-08-15 | 2017-12-08 | 武冈市鑫瑞能塑料制品有限公司 | A kind of regenerating and modifying plastic production technology based on waste or used plastics woven bag |
| CN209451764U (en) * | 2018-12-04 | 2019-10-01 | 天津中玻北方新材料有限责任公司 | A kind of novel and multifunctional mixing machine |
-
2020
- 2020-03-30 CN CN202010236400.8A patent/CN111805799A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4420211C1 (en) * | 1994-06-09 | 1995-10-26 | Kuhne Anlagenbau Gmbh | Preparation of granules from contaminated mixed polymer waste |
| CN107322831A (en) * | 2017-06-20 | 2017-11-07 | 舒城安泰塑料制品有限公司 | A kind of plastics recycling process |
| CN107443618A (en) * | 2017-08-15 | 2017-12-08 | 武冈市鑫瑞能塑料制品有限公司 | A kind of regenerating and modifying plastic production technology based on waste or used plastics woven bag |
| CN209451764U (en) * | 2018-12-04 | 2019-10-01 | 天津中玻北方新材料有限责任公司 | A kind of novel and multifunctional mixing machine |
Non-Patent Citations (1)
| Title |
|---|
| 任发政等: "《食品包装学》", 30 September 2009, 中国农业大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681768A (en) * | 2021-07-12 | 2021-11-23 | 厦门陆海环保股份有限公司 | Method for preparing high-valued recycled plastic particles by utilizing recycled garbage films |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201023 |
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| RJ01 | Rejection of invention patent application after publication |