CN110919908A - Processing method for producing plastic environment-friendly bag by utilizing secondary recovery resources - Google Patents
Processing method for producing plastic environment-friendly bag by utilizing secondary recovery resources Download PDFInfo
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- CN110919908A CN110919908A CN201910989595.0A CN201910989595A CN110919908A CN 110919908 A CN110919908 A CN 110919908A CN 201910989595 A CN201910989595 A CN 201910989595A CN 110919908 A CN110919908 A CN 110919908A
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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
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
- B31B70/76—Moistening; Drying; Cooling; Heating
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- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
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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
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The invention discloses a processing method for producing a plastic environment-friendly bag by utilizing secondary recovered resources, which comprises the following processing methods: recycling plastic bags and other plastic products; cleaning and drying the recycled plastic; melting the recycled plastic; adding the melted plastic; mixing plastics to prepare a plastic bag; and (7) packaging and warehousing. According to the invention, after the non-degradable plastic bag or other used plastic garbage is recovered, the degradable additive is added to prepare the plastic environment-friendly bag, and the plastic environment-friendly bag can be degraded in the environment or recovered again after being discarded, so that the environment product is not obviously adversely affected, the secondary utilization of the plastic can be realized, and the plastic environment-friendly bag is suitable for popularization.
Description
Technical Field
Background
The silk quilt is a quilt with silk as filler. The silk quilt has the unique qualities and advantages of close-fitting warm keeping, fluffiness, softness, ventilation, health care, deep sleep and the like. Because of the advantages of the silk quilt, the silk quilt is more and more popular with consumers, but the existing silk quilt has a single structure, and is more popular with consumers if some functional characteristics are added to help people's health.
The invention relates to the field related to the manufacture of silk quilts, in particular to a processing method for producing a plastic environment-friendly bag by utilizing secondary recovery resources.
Disclosure of Invention
The invention aims to provide a processing method for producing a plastic recycle bag by utilizing secondary recycled resources, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a processing method for producing plastic environment-friendly bags by utilizing secondary recovery resources comprises the following processing methods:
recycling plastic bags and other plastic products: the method comprises the following steps of (1) recovering non-degradable plastic bags discarded in nature, namely other plastic products, storing the recovered plastic bags at a recovery point, periodically transporting the non-degradable plastic bags at the recovery point, namely plastic wastes of the other plastic products, to a recycling plant of environment-friendly plastic bags;
cleaning and drying the recycled plastic: carrying out primary crushing on the recycled plastic garbage, placing the crushed plastic garbage into an automatic cleaning machine for cleaning, filtering the plastic garbage through a sieve, bringing the plastic garbage into a drying chamber for drying treatment after the cleaning is finished, and placing the plastic garbage into a secondary crushing machine for secondary crushing after the drying is finished;
melting of the recycled plastic: placing the secondarily crushed plastic into a melting chamber, melting the secondarily crushed plastic into molten plastic at high temperature, pouring the molten plastic into a stirring chamber, and keeping the melting temperature of the molten plastic;
re-addition of molten plastic: adding a degradation additive into the molten plastic while the molten plastic is hot, and fully stirring the molten plastic by using a stirring blade after the degradation additive is added until the whole molten plastic forms a uniform pulp flow substance;
preparing plastic bags from mixed plastics: respectively placing the mixed plastics into a film blowing machine to blow a film, blowing a material film after a certain time, cooling and pressing the material film, and adding the cooled and pressed material into a bag making machine according to the size of the plastic environment-friendly bag to be produced to make the plastic environment-friendly bag;
packaging and warehousing: sorting the environment-friendly plastic bags after the manufacture, sorting unformed plastic bags, conveying the formed environment-friendly plastic bags to a folding machine for folding, binding the environment-friendly plastic bags after folding, and warehousing for storage.
Preferably, in the step of recycling the plastic bags and other plastic products, the non-degradable plastic bags discarded in nature, i.e. other plastic products, are recycled for paid recycling, and specifically, the plastic bags and other plastic products are weighed according to the recycled weight, so that the enthusiasm of national recycling is improved, and garbage is prevented from being lost.
Preferably, in the step of washing and drying the recycled plastic, the primary crushed particles are larger than the secondary crushed particles, the crushing degree of the secondary crushing is 4-6 times of that of the primary crushing, in the step, the drying temperature in the drying treatment is 30-50 ℃, the drying time is at least 6h, and the judgment standard is that no water can be seen on the recycled plastic according to the capacity of the recycled plastic.
Preferably, in the step of melting the recycled plastic, the melting temperature is 160-190 ℃, and the melting time is at least 3h, and specifically, the melting time is increased as appropriate according to the capacity of the recycled plastic.
Preferably, in the step of adding the molten plastic again, the ratio of the plastic waste to the degradation additive is 4:1, and the degradation additive comprises the following raw materials in parts by weight: the filling material comprises, by weight, 8-12 parts of natural starch, 2-6 parts of plant fiber and 1-3 parts of filling particles, wherein the natural starch is one or more of potato extracted starch, purple potato extracted starch and glutinous rice extracted starch, and the plant fiber is one or more of rice hull fiber extract, straw fiber extract, wheat straw fiber extract, corn straw fiber extract, cotton straw fiber extract and wood chip fiber extract.
Preferably, the degradation additive specifically comprises the following raw materials in parts by weight: 10 parts of natural starch, 4 parts of plant fiber and 2 parts of filling particles.
Preferably, in the step of preparing the plastic bag by using the mixed plastic, the temperature of the blown film of the film blowing machine is increased to 215-225 ℃, and the material film is blown out after 45-55 min.
Preferably, in the step of packaging and warehousing, when warehousing and storing, the temperature of the warehouse is kept at 10-18 ℃, the warehouse is kept clean and tidy, and the molded plastic environment-friendly bags are stored until being sold out of the warehouse, so that the storage of other goods is avoided.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, after the non-degradable plastic bag or other used plastic garbage is recovered, the degradable additive is added to prepare the plastic environment-friendly bag, and the plastic environment-friendly bag can be degraded in the environment or recovered again after being discarded, so that the environment product is not obviously adversely affected, the secondary utilization of the plastic can be realized, and the plastic environment-friendly bag is suitable for popularization.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the invention provides a processing method for producing a plastic environment-friendly bag by utilizing secondary recovered resources, which comprises the following processing methods:
recycling plastic bags and other plastic products: the method comprises the following steps of (1) recovering non-degradable plastic bags discarded in nature, namely other plastic products, storing the recovered plastic bags at a recovery point, periodically transporting the non-degradable plastic bags at the recovery point, namely plastic wastes of the other plastic products, to a recycling plant of environment-friendly plastic bags;
cleaning and drying the recycled plastic: carrying out primary crushing on the recycled plastic garbage, placing the crushed plastic garbage into an automatic cleaning machine for cleaning, filtering the plastic garbage through a sieve, bringing the plastic garbage into a drying chamber for drying treatment after the cleaning is finished, and placing the plastic garbage into a secondary crushing machine for secondary crushing after the drying is finished;
melting of the recycled plastic: placing the secondarily crushed plastic into a melting chamber, melting the secondarily crushed plastic into molten plastic at high temperature, pouring the molten plastic into a stirring chamber, and keeping the melting temperature of the molten plastic;
re-addition of molten plastic: adding a degradation additive into the molten plastic while the molten plastic is hot, and fully stirring the molten plastic by using a stirring blade after the degradation additive is added until the whole molten plastic forms a uniform pulp flow substance;
preparing plastic bags from mixed plastics: respectively placing the mixed plastics into a film blowing machine to blow a film, blowing a material film after a certain time, cooling and pressing the material film, and adding the cooled and pressed material into a bag making machine according to the size of the plastic environment-friendly bag to be produced to make the plastic environment-friendly bag;
packaging and warehousing: sorting the environment-friendly plastic bags after the manufacture, sorting unformed plastic bags, conveying the formed environment-friendly plastic bags to a folding machine for folding, binding the environment-friendly plastic bags after folding, and warehousing for storage.
Further, in the step of recycling plastic bags and other plastic products, the waste non-degradable plastic bags in the nature, namely other plastic products, are recycled for paid recycling, and specifically, the plastic bags are weighed according to the recycled weight, so that the enthusiasm of national recycling is improved, and garbage is prevented from being lost.
Further, in the step of cleaning and drying the recycled plastic, the primary crushed particles are larger than the secondary crushed particles, the crushing degree of the secondary crushing is 4-6 times of that of the primary crushing, in the step, the drying temperature in the drying treatment is 30-50 ℃, the drying time is at least 6h, and the judgment standard is that no water can be seen on the recycled plastic according to the capacity of the recycled plastic.
Further, in the step of melting the recycled plastic, the melting temperature is 160-.
Further, in the step of adding the molten plastic again, the ratio of the plastic waste to the degradation additive is 4:1, and the degradation additive comprises the following raw materials in parts by weight: 8-12 parts of natural starch, 2-6 parts of plant fiber and 1-3 parts of filling particles, wherein the natural starch is one or more of potato extracted starch, purple potato extracted starch and glutinous rice extracted starch, and the plant fiber is one or more of rice hull fiber extract, straw fiber extract, wheat straw fiber extract, corn straw fiber extract, cotton straw fiber extract and wood chip fiber extract.
Further, specifically, the degradation additive comprises the following raw materials in parts by weight: 8 parts of natural starch, 2 parts of plant fiber and 1 part of filling particles.
Further, in the step of preparing the plastic bag by the mixed plastic, the temperature of the film blowing machine is heated to 215-225 ℃ in the film blowing process, and the material film is blown out after 45-55 min.
Further, in the step of packaging and warehousing, when warehousing and storing, the temperature of the warehouse is kept at 10-18 ℃, the warehouse is kept clean and tidy, and the molded plastic environment-friendly bags are stored until being sold out of the warehouse, so that the storage of other goods is avoided.
Example two:
the invention provides a processing method for producing a plastic environment-friendly bag by utilizing secondary recovered resources, which comprises the following processing methods:
recycling plastic bags and other plastic products: the method comprises the following steps of (1) recovering non-degradable plastic bags discarded in nature, namely other plastic products, storing the recovered plastic bags at a recovery point, periodically transporting the non-degradable plastic bags at the recovery point, namely plastic wastes of the other plastic products, to a recycling plant of environment-friendly plastic bags;
cleaning and drying the recycled plastic: carrying out primary crushing on the recycled plastic garbage, placing the crushed plastic garbage into an automatic cleaning machine for cleaning, filtering the plastic garbage through a sieve, bringing the plastic garbage into a drying chamber for drying treatment after the cleaning is finished, and placing the plastic garbage into a secondary crushing machine for secondary crushing after the drying is finished;
melting of the recycled plastic: placing the secondarily crushed plastic into a melting chamber, melting the secondarily crushed plastic into molten plastic at high temperature, pouring the molten plastic into a stirring chamber, and keeping the melting temperature of the molten plastic;
re-addition of molten plastic: adding a degradation additive into the molten plastic while the molten plastic is hot, and fully stirring the molten plastic by using a stirring blade after the degradation additive is added until the whole molten plastic forms a uniform pulp flow substance;
preparing plastic bags from mixed plastics: respectively placing the mixed plastics into a film blowing machine to blow a film, blowing a material film after a certain time, cooling and pressing the material film, and adding the cooled and pressed material into a bag making machine according to the size of the plastic environment-friendly bag to be produced to make the plastic environment-friendly bag;
packaging and warehousing: sorting the environment-friendly plastic bags after the manufacture, sorting unformed plastic bags, conveying the formed environment-friendly plastic bags to a folding machine for folding, binding the environment-friendly plastic bags after folding, and warehousing for storage.
Further, in the step of recycling plastic bags and other plastic products, the waste non-degradable plastic bags in the nature, namely other plastic products, are recycled for paid recycling, and specifically, the plastic bags are weighed according to the recycled weight, so that the enthusiasm of national recycling is improved, and garbage is prevented from being lost.
Further, in the step of cleaning and drying the recycled plastic, the primary crushed particles are larger than the secondary crushed particles, the crushing degree of the secondary crushing is 4-6 times of that of the primary crushing, in the step, the drying temperature in the drying treatment is 30-50 ℃, the drying time is at least 6h, and the judgment standard is that no water can be seen on the recycled plastic according to the capacity of the recycled plastic.
Further, in the step of melting the recycled plastic, the melting temperature is 160-.
Further, in the step of adding the molten plastic again, the ratio of the plastic waste to the degradation additive is 4:1, and the degradation additive comprises the following raw materials in parts by weight: 8-12 parts of natural starch, 2-6 parts of plant fiber and 1-3 parts of filling particles, wherein the natural starch is one or more of potato extracted starch, purple potato extracted starch and glutinous rice extracted starch, and the plant fiber is one or more of rice hull fiber extract, straw fiber extract, wheat straw fiber extract, corn straw fiber extract, cotton straw fiber extract and wood chip fiber extract.
Further, specifically, the degradation additive comprises the following raw materials in parts by weight: 12 parts of natural starch, 6 parts of plant fiber and 3 parts of filling particles.
Further, in the step of preparing the plastic bag by the mixed plastic, the temperature of the film blowing machine is heated to 215-225 ℃ in the film blowing process, and the material film is blown out after 45-55 min.
Further, in the step of packaging and warehousing, when warehousing and storing, the temperature of the warehouse is kept at 10-18 ℃, the warehouse is kept clean and tidy, and the molded plastic environment-friendly bags are stored until being sold out of the warehouse, so that the storage of other goods is avoided.
Example three:
the invention provides a processing method for producing a plastic environment-friendly bag by utilizing secondary recovered resources, which comprises the following processing methods:
recycling plastic bags and other plastic products: the method comprises the following steps of (1) recovering non-degradable plastic bags discarded in nature, namely other plastic products, storing the recovered plastic bags at a recovery point, periodically transporting the non-degradable plastic bags at the recovery point, namely plastic wastes of the other plastic products, to a recycling plant of environment-friendly plastic bags;
cleaning and drying the recycled plastic: carrying out primary crushing on the recycled plastic garbage, placing the crushed plastic garbage into an automatic cleaning machine for cleaning, filtering the plastic garbage through a sieve, bringing the plastic garbage into a drying chamber for drying treatment after the cleaning is finished, and placing the plastic garbage into a secondary crushing machine for secondary crushing after the drying is finished;
melting of the recycled plastic: placing the secondarily crushed plastic into a melting chamber, melting the secondarily crushed plastic into molten plastic at high temperature, pouring the molten plastic into a stirring chamber, and keeping the melting temperature of the molten plastic;
re-addition of molten plastic: adding a degradation additive into the molten plastic while the molten plastic is hot, and fully stirring the molten plastic by using a stirring blade after the degradation additive is added until the whole molten plastic forms a uniform pulp flow substance;
preparing plastic bags from mixed plastics: respectively placing the mixed plastics into a film blowing machine to blow a film, blowing a material film after a certain time, cooling and pressing the material film, and adding the cooled and pressed material into a bag making machine according to the size of the plastic environment-friendly bag to be produced to make the plastic environment-friendly bag;
packaging and warehousing: sorting the environment-friendly plastic bags after the manufacture, sorting unformed plastic bags, conveying the formed environment-friendly plastic bags to a folding machine for folding, binding the environment-friendly plastic bags after folding, and warehousing for storage.
Further, in the step of recycling plastic bags and other plastic products, the waste non-degradable plastic bags in the nature, namely other plastic products, are recycled for paid recycling, and specifically, the plastic bags are weighed according to the recycled weight, so that the enthusiasm of national recycling is improved, and garbage is prevented from being lost.
Further, in the step of cleaning and drying the recycled plastic, the primary crushed particles are larger than the secondary crushed particles, the crushing degree of the secondary crushing is 4-6 times of that of the primary crushing, in the step, the drying temperature in the drying treatment is 30-50 ℃, the drying time is at least 6h, and the judgment standard is that no water can be seen on the recycled plastic according to the capacity of the recycled plastic.
Further, in the step of melting the recycled plastic, the melting temperature is 160-.
Further, in the step of adding the molten plastic again, the ratio of the plastic waste to the degradation additive is 4:1, and the degradation additive comprises the following raw materials in parts by weight: 8-12 parts of natural starch, 2-6 parts of plant fiber and 1-3 parts of filling particles, wherein the natural starch is one or more of potato extracted starch, purple potato extracted starch and glutinous rice extracted starch, and the plant fiber is one or more of rice hull fiber extract, straw fiber extract, wheat straw fiber extract, corn straw fiber extract, cotton straw fiber extract and wood chip fiber extract.
Further, specifically, the degradation additive comprises the following raw materials in parts by weight: 10 parts of natural starch, 4 parts of plant fiber and 2 parts of filling particles.
Further, in the step of preparing the plastic bag by the mixed plastic, the temperature of the film blowing machine is heated to 215-225 ℃ in the film blowing process, and the material film is blown out after 45-55 min.
Further, in the step of packaging and warehousing, when warehousing and storing, the temperature of the warehouse is kept at 10-18 ℃, the warehouse is kept clean and tidy, and the molded plastic environment-friendly bags are stored until being sold out of the warehouse, so that the storage of other goods is avoided.
According to the invention, after the non-degradable plastic bag or other used plastic garbage is recovered, the degradable additive is added to prepare the plastic environment-friendly bag, and the plastic environment-friendly bag can be degraded in the environment or recovered again after being discarded, so that the environment product is not obviously adversely affected, the secondary utilization of the plastic can be realized, and the plastic environment-friendly bag is suitable for popularization.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A processing method for producing plastic recycle bags by using secondary recycled resources is characterized by comprising the following processing methods:
recycling plastic bags and other plastic products: the method comprises the following steps of (1) recovering non-degradable plastic bags discarded in nature, namely other plastic products, storing the recovered plastic bags at a recovery point, periodically transporting the non-degradable plastic bags at the recovery point, namely plastic wastes of the other plastic products, to a recycling plant of environment-friendly plastic bags;
cleaning and drying the recycled plastic: carrying out primary crushing on the recycled plastic garbage, placing the crushed plastic garbage into an automatic cleaning machine for cleaning, filtering the plastic garbage through a sieve, bringing the plastic garbage into a drying chamber for drying treatment after the cleaning is finished, and placing the plastic garbage into a secondary crushing machine for secondary crushing after the drying is finished;
melting of the recycled plastic: placing the secondarily crushed plastic into a melting chamber, melting the secondarily crushed plastic into molten plastic at high temperature, pouring the molten plastic into a stirring chamber, and keeping the melting temperature of the molten plastic;
re-addition of molten plastic: adding a degradation additive into the molten plastic while the molten plastic is hot, and fully stirring the molten plastic by using a stirring blade after the degradation additive is added until the whole molten plastic forms a uniform pulp flow substance;
preparing plastic bags from mixed plastics: respectively placing the mixed plastics into a film blowing machine to blow a film, blowing a material film after a certain time, cooling and pressing the material film, and adding the cooled and pressed material into a bag making machine according to the size of the plastic environment-friendly bag to be produced to make the plastic environment-friendly bag;
packaging and warehousing: sorting the environment-friendly plastic bags after the manufacture, sorting unformed plastic bags, conveying the formed environment-friendly plastic bags to a folding machine for folding, binding the environment-friendly plastic bags after folding, and warehousing for storage.
2. The processing method of producing plastic recycle bags from secondary recycling resources as claimed in claim 1, wherein in the recycling step of plastic bags and other plastic products, the non-degradable plastic bags discarded in nature, i.e. other plastic products, are recycled for compensation, specifically, the weight of the recycled plastic bags is weighed to increase the enthusiasm of national recycling and avoid garbage disposal.
3. The processing method of producing plastic recycle bags using secondary recycling resources as claimed in claim 1, wherein in the step of washing and drying the recycled plastic, the size of the primary crushed particles is larger than that of the secondary crushed particles, the crushing degree of the secondary crushed particles is 4-6 times of that of the primary crushed particles, in the step, the drying temperature in the drying process is 30-50 ℃, the drying time is at least 6h, and the judgment standard is that no water can be seen on the recycled plastic, specifically according to the volume of the recycled plastic.
4. The processing method for producing plastic reusable bags using secondary recycling resources as claimed in claim 1, wherein the melting step of the recycled plastic has a melting temperature of 160-190 ℃ and a melting time of at least 3h, specifically, the melting time is increased as appropriate according to the capacity of the recycled plastic.
5. The processing method for producing the plastic recycle bags by using the secondary recycling resources as claimed in claim 1, wherein in the step of adding the molten plastic again, the ratio of the plastic waste to the degradation additives is 4:1, and the degradation additives comprise the following raw materials in parts by weight: the filling material comprises, by weight, 8-12 parts of natural starch, 2-6 parts of plant fiber and 1-3 parts of filling particles, wherein the natural starch is one or more of potato extracted starch, purple potato extracted starch and glutinous rice extracted starch, and the plant fiber is one or more of rice hull fiber extract, straw fiber extract, wheat straw fiber extract, corn straw fiber extract, cotton straw fiber extract and wood chip fiber extract.
6. The processing method for producing the plastic recycle bags by using the secondary recycling resources as claimed in claim 5, wherein the degradation additives comprise the following raw materials by weight: 10 parts of natural starch, 4 parts of plant fiber and 2 parts of filling particles.
7. The processing method of producing plastic recycle bags with secondary recycling resources as claimed in claim 1, wherein in the step of preparing plastic bags from mixed plastics, the temperature of the blown film of the film blowing machine is increased to 215-225 ℃, and the material film is blown out after 45-55 min.
8. The processing method for producing plastic recycle bags by using secondary recycling resources as claimed in claim 1, wherein in the step of packaging and warehousing, the temperature of the warehouse is kept at 10-18 ℃ during warehousing and storage, the warehouse is kept clean and tidy, and the molded plastic recycle bags are stored until being sold out of the warehouse, so that other goods are prevented from being stored.
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| CN201910989595.0A CN110919908A (en) | 2019-10-17 | 2019-10-17 | Processing method for producing plastic environment-friendly bag by utilizing secondary recovery resources |
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| CN201910989595.0A CN110919908A (en) | 2019-10-17 | 2019-10-17 | Processing method for producing plastic environment-friendly bag by utilizing secondary recovery resources |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111907177A (en) * | 2020-08-11 | 2020-11-10 | 佛山市南海利达印刷包装有限公司 | Recyclable composite packaging material, recyclable composite packaging bag and recycling method thereof |
-
2019
- 2019-10-17 CN CN201910989595.0A patent/CN110919908A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111907177A (en) * | 2020-08-11 | 2020-11-10 | 佛山市南海利达印刷包装有限公司 | Recyclable composite packaging material, recyclable composite packaging bag and recycling method thereof |
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