CN112298847B - Express package recycling method - Google Patents
Express package recycling method Download PDFInfo
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- CN112298847B CN112298847B CN202011165657.5A CN202011165657A CN112298847B CN 112298847 B CN112298847 B CN 112298847B CN 202011165657 A CN202011165657 A CN 202011165657A CN 112298847 B CN112298847 B CN 112298847B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/14—Other constructional features; Accessories
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
- D21B1/08—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods the raw material being waste paper; the raw material being rags
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
- D21B1/325—Defibrating by other means of waste paper de-inking devices
- D21B1/327—Defibrating by other means of waste paper de-inking devices using flotation devices
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/022—Chemicals therefor
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/02—Straining or screening the pulp
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/12—Making corrugated paper or board
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/14—Secondary fibres
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/09—Sulfur-containing compounds
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/25—Cellulose
- D21H17/26—Ethers thereof
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/52—Epoxy resins
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
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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
- Y02W30/64—Paper recycling
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Abstract
The invention relates to the technical field of logistics, in particular to a method for recovering express packages, which comprises the following steps: s1, setting an express package recycling site for recycling waste express packages; s2, conveying the waste express packages recovered by the recovery network points to a recovery treatment plant for recovery production treatment and reutilization. According to the express packaging material recycling method, waste express packaging materials are recycled, a recycling system is established, waste packaging materials are effectively recycled, social energy loss is reduced, and a good belt head effect is achieved for the national environmental protection policy; the socialized circulation link of the packaging waste is reduced, the harm degree of the waste packaging to the society is reduced, the user experience is improved, and the packaging safety is guaranteed.
Description
Technical Field
The invention relates to the technical field of logistics, in particular to a method for recovering express packages.
Background
With the development of economy and social progress, the electronic commerce industry in China is rapidly started in recent years, and the vigorous development of the logistics industry is also driven. According to data information released by the state post and government offices, the business volume of express service enterprises in China continuously and stably stays in the world first in recent years, and the parcel express volume exceeds developed economy bodies of America, Japan, Europe and the like. The express delivery business develops rapidly, and the environmental pollution problem also comes with it.
According to the national standard of express packaging article, newly revised series of express packaging articles are implemented in 2018, 9 and 1, the express packaging box is definitely put forward to be made of biodegradable plastic, the requirement of secondary use of the express packaging sleeve is correspondingly increased, and the express packaging box is advocated to be reusable on the premise of meeting the standard. Aiming at different express packaging articles, a recyclable mark, a reusable mark or a plastic product mark is required to be printed respectively, so that the recycling treatment is convenient. The serial national standards also propose reduction, and reduce the quantitative requirement of paper for express envelopes and the thickness requirement of plastic film type express packages. Therefore, the express packaging box has the important significance of recycling used express packaging materials, reducing environmental pollution, improving the resource utilization rate and reducing waste.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the express packaging material recovery method, the express packaging material recovery method recovers waste express packaging materials, establishes a recovery system, effectively realizes the reutilization of waste packaging materials, reduces the social energy loss, and plays a good role in bringing heads for the national environmental protection policy; the socialized circulation link of the packaging waste is reduced, the harm degree of the waste packaging to the society is reduced, the user experience is improved, and the packaging safety is guaranteed.
The purpose of the invention is realized by the following technical scheme: a method for recovering express packages comprises the following steps:
s1, setting an express package recycling site for recycling waste express packages;
s2, conveying the waste express packages recovered by the recovery network points to a recovery treatment plant for recovery production treatment and reutilization.
Further, in step S1, a recycling site is established in the sorting bin, the logistics site, and the area where the customers are gathered in the express logistics enterprise.
Further, in step S1, the express delivery packing recycling site is provided with a paper-based packing recycling box for recycling paper-based packing recycling materials and a plastic-based packing recycling box for recycling plastic-based packing recycling materials.
Further, in step S2, the waste express packages recovered by the recovery site are conveyed to a product material production plant for recovery production processing to prepare express package materials, and then the express package materials are conveyed to the express package production plant to prepare express packages; or directly carry the abandonment express delivery packing material of retrieving the site and retrieving to express delivery packing material manufacturing plant, retrieve the production and handle, prepare and obtain the express delivery packing material.
According to the express packaging material recycling method, the distribution points are recycled at the places where the express delivery implemented by the consumers in the sorting bins and the logistics distribution point building or areas of the express logistics enterprise is relatively gathered, express garbage generated in the express delivery process is recycled, the effective utilization of resources is realized, and the environmental pollution is reduced. The express packaging materials of retrieving can be to express packaging enterprise transported substance again through recovery processing to form the closed loop that express packaging resources recycled.
Further, in the step S2, the paper-based packaging recycling object of the paper-based packaging recycling box is conveyed to a paper product manufacturing plant; and conveying the plastic-based packaging recycled materials of the plastic-based packaging recycling box to a plastic product production plant.
Further, the express delivery packing material recycling site is also provided with a paper-plastic composite packing recycling box for recycling paper-plastic composite packing recycling materials.
Further, in the step S2, the recycling production processing method of the paper-based packaging recycle includes the following steps:
a1, selecting a recycled paper-based packaging recycled material as a raw material of a paper express packaging material; crushing the paper-based packaging recycled materials, and removing magnetic materials contained in the crushed waste paper by adopting a magnetic separation device;
a2, disintegrating the waste paper without the magnetic materials to obtain primary pulp;
a3, screening and purifying the primary pulp obtained in the step A2 to obtain fine screened pulp;
a4, carrying out flotation deinking and bleaching on the fine screened pulp to obtain bleached pulp;
a5, preparing and pulping the pulp obtained in the step A4 to obtain prepared mixed pulp;
a6, forming and manufacturing the prepared mixed pulp, squeezing and dehydrating, pre-drying, squeezing and sizing, post-drying, calendaring and reeling to obtain the finished paperboard.
Further, in the step a1, the paper-based packaging recycled material includes, by weight, 40-50 parts of paper express file sealing waste and 140-160 parts of corrugated express carton waste.
Further, in the step a3, the crushed primary slurry is subjected to sand setting, and is subjected to coarse screening and fine screening in sequence to obtain fine screening slurry.
Further, in the step A4, bleaching is carried out by using a bleaching agent until the whiteness of the pulp reaches 85-90% ISO.
Further, in the step a5, the following raw materials in parts by weight are added to the slurry obtained in the step a 4: 18-26 parts of filler, 6-12 parts of plant starch, 5-8 parts of bisphenol A type epoxy resin, 3-5 parts of succinic acid alkyl ester sodium sulfonate, 4-7 parts of carboxyethyl cellulose, 2-4 parts of methyl methacrylate, 1-2 parts of aluminum chloride and 1-2 parts of bentonite.
Further, the filler is composed of calcium carbonate and nano-silica according to a weight ratio of 10-15: 1-2.
Further, the plant starch is at least one of rice starch, wheat starch, corn starch and cassava starch.
Further, in the step a6, the finished paperboard can be used for making express document envelope.
The invention realizes the high-efficiency utilization of the paper-based packaging material by taking the recycled paper-based packaging material as the main raw material and matching with other raw materials, effectively realizes the reutilization of waste packages, and reduces the social energy loss. The recycled paper-based packaging material is matched with the plant starch, so that the glue viscosity of each component can be improved, the cross-linking degree of each raw material can be effectively improved, and the mechanical property of the paperboard can be improved; the bisphenol A epoxy resin is matched with methyl methacrylate, so that the compatibility of various raw materials, the corrosion resistance and the mechanical strength of the paperboard can be improved. Calcium carbonate and nano-silica are added and are pulped, so that the calcium carbonate and the nano-silica can be uniformly dispersed in the pulp, and the bursting index, the folding strength, the tensile index and the like of the paperboard are improved; the hydroxyethyl cellulose, the sodium alkyl sulfosuccinate and the bentonite are matched, so that the thickening effect is good, the compatibility and the distribution uniformity of all raw materials are promoted, and the yield of the slurry and the mechanical property of the paperboard can be improved.
Further, in the step A6, calendering is carried out by a calender, and the calendering temperature is 85-95 ℃. Through the arrangement, the surface smoothness of the finished paperboard is good, the thickness distribution is uniform, and the product uniformity is good.
The invention adopts flotation deinking to continuously communicate tiny air bubbles in the printing ink and the dirt coexisting in the pulp suspension liquid, so that the bubbles adsorb the printing ink and the dirt and float to the surface, and deinking is carried out by the principle that oil and water are not mutually fused and mutually exclusive.
Further, in the step S2, the recycling production processing method of the plastic-based packaging recycle includes the following steps: and classifying the plastic-based packaging recycled materials, crushing, melting at high temperature, granulating and recycling. The materials recovered by the invention are packaging materials used in express delivery, and the physical properties and the thermal properties of the materials are greatly different from those of the traditional brand new materials. The invention can be classified on the existing mode, can better recycle materials after the materials are more easily distinguished after classification, can select a proper sample testing method according to the performance of the materials, and explores a proper processing technology and the utilization value of the recycled materials, so that the invention is more favorable for secondary production and use.
Further, in the step S3, the recycling production processing method of the recycled paper-plastic composite packaging material includes the following steps: cutting the recovered paper-plastic composite package into a paper-plastic composite sheet with the diameter not more than 12cm, baking the paper-plastic composite sheet at the temperature of 160-190 ℃ for 4-10 seconds to ensure that the plastic on the paper-plastic composite sheet shrinks and deforms and is separated from the paper, placing the separated plastic and paper sheets at the air outlet of an air blower, carrying out 3-5 times of paper-plastic separation, respectively collecting the paper-based material and the plastic-based material, recovering, producing and treating the collected materials, and recycling the materials.
The invention has the beneficial effects that: according to the express packaging material recycling method, waste express packaging materials are recycled, a recycling system is established, waste packaging materials are effectively recycled, social energy loss is reduced, and a good belt head effect is achieved for the national environmental protection policy; the socialized circulation link of the packaging waste is reduced, the harm degree of the waste packaging to the society is reduced, the user experience is improved, and the packaging safety is guaranteed.
Drawings
Fig. 1 is a flow chart of a method for recycling express packages of the present invention.
Detailed Description
For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and the accompanying fig. 1, and the description of the embodiments is not intended to limit the present invention.
In an exemplary embodiment of the invention, a method for recycling express packages includes the steps of:
s1, setting an express package recycling site for recycling waste express packages;
s2, conveying the waste express packages recovered by the recovery network points to a recovery treatment plant for recovery production treatment and reutilization.
Further, in step S1, a recycling site is established in the sorting bin, the logistics site, and the area where the customers are gathered in the express logistics enterprise.
Further, in step S1, the express delivery packing recycling site is provided with a paper-based packing recycling box for recycling paper-based packing recycling materials and a plastic-based packing recycling box for recycling plastic-based packing recycling materials.
Further, in step S2, the waste express packages recovered by the recovery site are conveyed to a product material production plant for recovery production processing to prepare express package materials, and then the express package materials are conveyed to the express package production plant to prepare express packages; or directly carry the abandonment express delivery packing material of retrieving the site and retrieving to express delivery packing material manufacturing plant, retrieve the production and handle, prepare and obtain the express delivery packing material.
Further, in the step S2, the paper-based packaging recycling object of the paper-based packaging recycling box is conveyed to a paper product manufacturing plant; and conveying the plastic-based packaging recycled materials of the plastic-based packaging recycling box to a plastic product production plant.
Further, the express delivery packing material recycling site is also provided with a paper-plastic composite packing recycling box for recycling paper-plastic composite packing recycling materials.
Further, in the step S2, the recycling production processing method of the paper-based packaging recycle includes the following steps:
a1, selecting a recycled paper-based packaging recycled material as a raw material of a paper express packaging material; crushing the paper-based packaging recycled materials, and removing magnetic materials contained in the crushed waste paper by adopting a magnetic separation device;
a2, disintegrating the waste paper without the magnetic materials to obtain primary pulp;
a3, screening and purifying the primary pulp obtained in the step A2 to obtain fine screened pulp;
a4, carrying out flotation deinking and bleaching on the fine screened pulp to obtain bleached pulp;
a5, preparing and pulping the pulp obtained in the step A4 to obtain prepared mixed pulp;
a6, forming and manufacturing the prepared mixed pulp, squeezing and dehydrating, pre-drying, squeezing and sizing, post-drying, calendaring and reeling to obtain the finished paperboard.
Further, in the step a1, the paper-based packaging recycled material includes, by weight, 40-50 parts of paper express file sealing waste and 140-160 parts of corrugated express carton waste.
Further, in the step a3, the crushed primary slurry is subjected to sand setting, and is subjected to coarse screening and fine screening in sequence to obtain fine screening slurry.
Further, in the step A4, bleaching is carried out by using a bleaching agent until the whiteness of the pulp reaches 85-90% ISO.
Further, in the step a5, the following raw materials in parts by weight are added to the slurry obtained in the step a 4: 18-26 parts of filler, 6-12 parts of plant starch, 5-8 parts of bisphenol A type epoxy resin, 3-5 parts of succinic acid alkyl ester sodium sulfonate, 4-7 parts of carboxyethyl cellulose, 2-4 parts of methyl methacrylate, 1-2 parts of aluminum chloride and 1-2 parts of bentonite.
Further, the filler is composed of calcium carbonate and nano-silica according to a weight ratio of 10-15: 1-2.
Further, the plant starch is at least one of rice starch, wheat starch, corn starch and cassava starch.
Further, in the step a6, the finished paperboard can be used for making express document envelope.
Further, in the step A6, calendering is carried out by a calender, and the calendering temperature is 85-95 ℃.
Further, in the step S2, the recycling production processing method of the plastic-based packaging recycle includes the following steps: and classifying the plastic-based packaging recycled materials, crushing, melting at high temperature, granulating and recycling.
Further, in the step S3, the recycling production processing method of the recycled paper-plastic composite packaging material includes the following steps: cutting the recovered paper-plastic composite package into a paper-plastic composite sheet with the diameter not more than 12cm, baking the paper-plastic composite sheet at the temperature of 160-190 ℃ for 4-10 seconds to ensure that the plastic on the paper-plastic composite sheet shrinks and deforms and is separated from the paper, placing the separated plastic and paper sheets at the air outlet of an air blower, carrying out 3-5 times of paper-plastic separation, respectively collecting the paper-based material and the plastic-based material, recovering, producing and treating the collected materials, and recycling the materials.
Example 1
A method for recovering express packages comprises the following steps:
s1, setting an express package recycling site for recycling waste express packages;
s2, conveying the waste express packages recovered by the recovery network points to a recovery treatment plant for recovery production treatment and reutilization.
Further, in step S1, a recycling site is established in the sorting bin, the logistics site, and the area where the customers are gathered in the express logistics enterprise.
Further, in step S1, the express delivery packing recycling site is provided with a paper-based packing recycling box for recycling paper-based packing recycling materials and a plastic-based packing recycling box for recycling plastic-based packing recycling materials.
Further, in step S2, the waste express packages recovered by the recovery site are conveyed to a product material production plant for recovery production processing to prepare express package materials, and then the express package materials are conveyed to the express package production plant to prepare express packages; or directly carry the abandonment express delivery packing material of retrieving the site and retrieving to express delivery packing material manufacturing plant, retrieve the production and handle, prepare and obtain the express delivery packing material.
Further, in the step S2, the paper-based packaging recycling object of the paper-based packaging recycling box is conveyed to a paper product manufacturing plant; and conveying the plastic-based packaging recycled materials of the plastic-based packaging recycling box to a plastic product production plant.
Further, the express delivery packing material recycling site is also provided with a paper-plastic composite packing recycling box for recycling paper-plastic composite packing recycling materials.
Example 2
In this embodiment, in step S2, the method for recycling, producing and processing the recycled paper-based packaging material includes the following steps:
a1, selecting a recycled paper-based packaging recycled material as a raw material of a paper express packaging material; crushing the paper-based packaging recycled materials, and removing magnetic materials contained in the crushed waste paper by adopting a magnetic separation device;
a2, disintegrating the waste paper without the magnetic materials to obtain primary pulp;
a3, screening and purifying the primary pulp obtained in the step A2 to obtain fine screened pulp;
a4, carrying out flotation deinking and bleaching on the fine screened pulp to obtain bleached pulp;
a5, preparing and pulping the pulp obtained in the step A4 to obtain prepared mixed pulp;
a6, forming and manufacturing the prepared mixed pulp, squeezing and dehydrating, pre-drying, squeezing and sizing, post-drying, calendaring and reeling to obtain the finished paperboard.
Further, in the step a1, the paper-based packaging recycled material includes, by weight, 45 parts of paper express file sealing waste and 150 parts of corrugated express carton waste.
Further, in the step a3, the crushed primary slurry is subjected to sand setting, and is subjected to coarse screening and fine screening in sequence to obtain fine screening slurry.
Further, in the step A4, bleaching is carried out by using a bleaching agent until the whiteness of the pulp reaches 90% ISO.
Further, in the step a5, the following raw materials in parts by weight are added to the slurry obtained in the step a 4: 22 parts of filler, 9 parts of plant starch, 6 parts of bisphenol A type epoxy resin, 4 parts of sodium alkyl succinate sulfonate, 5 parts of carboxyethyl cellulose, 3 parts of methyl methacrylate, 1.5 parts of aluminum chloride and 1.5 parts of bentonite.
Further, the filler is composed of calcium carbonate and nano silicon dioxide according to the weight ratio of 12: 1.5.
Further, the plant starch is composed of rice starch, corn starch and cassava starch according to the weight ratio of 1:2: 4.
Further, in the step a6, the finished paperboard can be used for making express document envelope.
Further, in the step a6, calendering is performed by using a calender at a calendering temperature of 90 ℃.
Further, in the step S2, the recycling production processing method of the plastic-based packaging recycle includes the following steps: and classifying the plastic-based packaging recycled materials, crushing, melting at high temperature, granulating and recycling.
Further, in the step S3, the recycling production processing method of the recycled paper-plastic composite packaging material includes the following steps: the paper-plastic composite packaging recycling material is cut into paper-plastic composite sheets with the diameter not larger than 12cm, the paper-plastic composite sheets are baked for 6S at the temperature of 180 ℃, plastic on the paper-plastic composite sheets shrinks and deforms and is separated from paper, the plastic and paper sheets separated from each other are placed at an air blower air port, 4 times of paper-plastic separation is carried out, and paper-based materials and plastic-based materials are respectively collected, recycled, produced and treated for reuse.
The rest of this embodiment is similar to embodiment 1, and is not described herein again.
Example 3
This embodiment differs from embodiment 1 described above in that:
in this embodiment, in step a1, the paper-based packaging recycling material includes, by weight, 40 parts of paper express document sealing waste and 140 parts of corrugated express carton waste.
Further, in the step A4, bleaching is carried out by using a bleaching agent until the whiteness of the pulp reaches 87% ISO.
Further, in the step a5, the following raw materials in parts by weight are added to the slurry obtained in the step a 4: 18 parts of filler, 6 parts of plant starch, 5 parts of bisphenol A type epoxy resin, 3 parts of succinic acid alkyl ester sodium sulfonate, 4 parts of carboxyethyl cellulose, 2 parts of methyl methacrylate, 1 part of aluminum chloride and 1 part of bentonite.
Further, the filler is composed of calcium carbonate and nano silicon dioxide according to a weight ratio of 10:1.
Further, the plant starch is composed of wheat starch and corn starch according to a weight ratio of 1: 2.
Further, in the step a6, the finished paperboard can be used for making express document envelope.
Further, in the step a6, calendering is performed by using a calender at a calendering temperature of 85 ℃.
Further, in the step S3, the recycling production processing method of the recycled paper-plastic composite packaging material includes the following steps: the paper-plastic composite packaging recycled material is cut into paper-plastic composite sheets with the diameter not larger than 12cm, the paper-plastic composite sheets are baked for 10S at the temperature of 160 ℃, so that the plastic on the paper-plastic composite sheets shrinks and deforms and is separated from the paper, the plastic and the paper sheets separated from each other are placed at the air outlet of an air blower, 5 times of paper-plastic separation is carried out, and the paper-based material and the plastic-based material are respectively collected, recycled, produced and treated and reused.
Example 4
This embodiment differs from embodiment 1 described above in that:
in this embodiment, in step a1, the paper-based packaging recycling material includes, by weight, 50 parts of paper express document sealing waste and 160 parts of corrugated express carton waste.
Further, in the step A4, bleaching is carried out by using a bleaching agent until the whiteness of the pulp reaches 89% ISO.
Further, in the step a5, the following raw materials in parts by weight are added to the slurry obtained in the step a 4: 26 parts of filler, 12 parts of plant starch, 8 parts of bisphenol A type epoxy resin, 5 parts of succinic acid alkyl ester sodium sulfonate, 7 parts of carboxyethyl cellulose, 2.5 parts of methyl methacrylate, 2 parts of aluminum chloride and 2 parts of bentonite.
Further, the filler is composed of calcium carbonate and nano-silica according to a weight ratio of 15: 2.
Further, the plant starch is composed of corn starch and cassava starch according to the weight ratio of 1: 1.
Further, in the step a6, calendering is performed by using a calender at a calendering temperature of 95 ℃.
Further, in the step S3, the recycling production processing method of the recycled paper-plastic composite packaging material includes the following steps: the paper-plastic composite packaging recycled material is cut into paper-plastic composite sheets with the diameter not larger than 12cm, the paper-plastic composite sheets are baked for 4S at the temperature of 190 ℃, so that the plastic on the paper-plastic composite sheets shrinks and deforms and is separated from the paper, the plastic and the paper sheets separated from each other are placed at the air outlet of an air blower, the paper-plastic separation is carried out for 3 times, and the paper-based material and the plastic-based material are respectively collected, recycled, produced and treated and reused.
Example 5
In this embodiment, in step a1, the paper-based packaging recycling material includes, by weight, 45 parts of paper express document sealing waste and 155 parts of corrugated express carton waste.
Further, in the step A4, bleaching is carried out by using a bleaching agent until the whiteness of the pulp reaches 90% ISO.
Further, in the step a5, the following raw materials in parts by weight are added to the slurry obtained in the step a 4: 20 parts of filler, 7 parts of plant starch, 6 parts of bisphenol A epoxy resin, 4 parts of succinic acid alkyl ester sodium sulfonate, 6 parts of carboxyethyl cellulose, 1.8 parts of aluminum chloride and 2 parts of bentonite.
Further, the filler is composed of calcium carbonate and nano silicon dioxide according to a weight ratio of 10: 1.5.
Comparative example 1
This comparative example differs from example 1 above in that: in the step a5, the bisphenol a type epoxy resin, methyl methacrylate, and sodium sulfosuccinate were not added to the slurry obtained in the step a 4.
The paperboards prepared in the examples 2-5 and the comparative example 1 are made into express file bag seals, the express file bag seals are measured according to GBT 16606.1-3-2018, and the quantitative amounts of the paperboards in the examples 2-5 and the comparative example 1 are 230g/m2Examples 2-5 had burst indices greater than 2.3kPa.m2The folding resistance (transverse direction)/times is more than 22, the stiffness (transverse direction)/(mN.n) is more than 2.5, and the tensile index (longitudinal and transverse average) is more than 30. Comparative example 1 had a burst index of 2.1kPa.m2The folding resistance (transverse)/18 times, the stiffness (transverse)/(mN. n) is greater than 2.5, and the tensile index (average longitudinal and transverse) is 27. In summary, the paperboard made in examples 2-5 had good burst index, folding endurance and tensile index.
According to the express packaging material recycling method, waste express packaging materials are recycled, a recycling system is established, waste packaging materials are effectively recycled, social energy loss is reduced, and a good belt head effect is achieved for the national environmental protection policy; the socialized circulation link of the packaging waste is reduced, the harm degree of the waste packaging to the society is reduced, the user experience is improved, and the packaging safety is guaranteed.
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (6)
1. A method for recovering express packages is characterized by comprising the following steps: the method comprises the following steps:
s1, setting an express package recycling site for recycling waste express packages; the express packaging material recycling site is provided with a paper-based packaging recycling box for recycling paper-based packaging recycling materials and a plastic-based packaging recycling box for recycling plastic-based packaging recycling materials;
s2, conveying the waste express packages recovered by the recovery network points to a recovery treatment plant for recovery production treatment and reutilization;
in step S2, the recycling production processing method of the paper-based packaging recycle comprises the following steps:
a1, selecting a recycled paper-based packaging recycled material as a raw material of a paper express packaging material; crushing the paper-based packaging recovery material, and removing magnetic materials contained in the crushed paper-based packaging recovery material by adopting a magnetic separation device; the paper-based packaging recycling materials comprise, by weight, 40-50 parts of paper express file sealing waste and 140-160 parts of corrugated express carton waste;
a2, disintegrating the paper-based packaging recycled material without the magnetic materials to obtain primary pulp;
a3, screening and purifying the primary pulp obtained in the step A2 to obtain fine screened pulp;
a4, carrying out flotation deinking and bleaching on the fine screened pulp to obtain bleached pulp;
a5, preparing and pulping the pulp obtained in the step A4 to obtain prepared mixed pulp;
a6, forming and manufacturing the prepared mixed pulp, squeezing and dehydrating, pre-drying, squeezing and sizing, post-drying, calendaring and reeling to obtain a finished paperboard;
in step a5, the following raw materials in parts by weight were added to the slurry obtained in step a 4: 18-26 parts of filler, 6-12 parts of plant starch, 5-8 parts of bisphenol A type epoxy resin, 3-5 parts of succinic acid alkyl ester sodium sulfonate, 4-7 parts of carboxyethyl cellulose, 2-4 parts of methyl methacrylate, 1-2 parts of aluminum chloride and 1-2 parts of bentonite.
2. The method for recycling express packages according to claim 1, wherein the method comprises the following steps: in step S1, a recycling site is established in a sorting bin, a logistics site, and an area where consumers are relatively gathered in an express logistics enterprise.
3. The method for recycling express packages according to claim 1, wherein the method comprises the following steps: in step S2, the waste express packages recovered by the recovery points are conveyed to a product material production plant for recovery production treatment to prepare express package materials, and then the express package materials are conveyed to the express package production plant to prepare express packages; or directly conveying the waste express packages recovered by the recovery network points to an express package production plant, recovering, producing and processing, and preparing to obtain the express packages.
4. The method for recycling express packages according to claim 1, wherein the method comprises the following steps: in step S2, conveying the paper-based packaging recovery object of the paper-based packaging recovery box to a paper product production plant; and conveying the plastic-based packaging recycled materials of the plastic-based packaging recycling box to a plastic product production plant.
5. The method for recycling express packages according to claim 1, wherein the method comprises the following steps: the express delivery packing material recycling site is also provided with a paper-plastic composite packaging recycling box for recycling paper-plastic composite packaging recycling materials.
6. The method for recycling express packages according to claim 1, wherein the method comprises the following steps: in step S2, the recycling process method for the recycled plastic-based packaging material includes the following steps: and classifying the plastic-based packaging recycled materials, crushing, melting at high temperature, granulating and recycling.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999034927A1 (en) * | 1998-01-09 | 1999-07-15 | Trienekens Aktiengesellschaft | Method and device for processing packaging wastes |
| CN103243599A (en) * | 2013-04-28 | 2013-08-14 | 汕头市松炀纸业有限公司 | Process for recycling and preparing coated white board paper by using waste paper |
| CN104746381A (en) * | 2015-03-16 | 2015-07-01 | 浙江华川实业集团有限公司 | Regenerative high-strength corrugating base paper and preparation process thereof |
| CN105648826A (en) * | 2016-03-17 | 2016-06-08 | 安徽山鹰纸业股份有限公司 | Low-weight corrugated paper and preparation method thereof |
| CN207956715U (en) * | 2017-12-25 | 2018-10-12 | 华南理工大学广州学院 | A kind of express delivery recycling of packaging device |
| CN109605607A (en) * | 2018-12-30 | 2019-04-12 | 福建省金怡丰工贸有限公司 | A kind of waste plastic high efficiente callback and circulation utilization method |
| CN111573036A (en) * | 2020-05-11 | 2020-08-25 | 中国地质大学（北京） | Intelligent express package recycling device and working method thereof |
| CN111749038A (en) * | 2020-06-22 | 2020-10-09 | 肇庆市汇嘉纸品包装有限公司 | Processing technology of waste paper recycling and regenerating paperboard |
-
2020
- 2020-10-27 CN CN202011165657.5A patent/CN112298847B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999034927A1 (en) * | 1998-01-09 | 1999-07-15 | Trienekens Aktiengesellschaft | Method and device for processing packaging wastes |
| CN103243599A (en) * | 2013-04-28 | 2013-08-14 | 汕头市松炀纸业有限公司 | Process for recycling and preparing coated white board paper by using waste paper |
| CN104746381A (en) * | 2015-03-16 | 2015-07-01 | 浙江华川实业集团有限公司 | Regenerative high-strength corrugating base paper and preparation process thereof |
| CN105648826A (en) * | 2016-03-17 | 2016-06-08 | 安徽山鹰纸业股份有限公司 | Low-weight corrugated paper and preparation method thereof |
| CN207956715U (en) * | 2017-12-25 | 2018-10-12 | 华南理工大学广州学院 | A kind of express delivery recycling of packaging device |
| CN109605607A (en) * | 2018-12-30 | 2019-04-12 | 福建省金怡丰工贸有限公司 | A kind of waste plastic high efficiente callback and circulation utilization method |
| CN111573036A (en) * | 2020-05-11 | 2020-08-25 | 中国地质大学（北京） | Intelligent express package recycling device and working method thereof |
| CN111749038A (en) * | 2020-06-22 | 2020-10-09 | 肇庆市汇嘉纸品包装有限公司 | Processing technology of waste paper recycling and regenerating paperboard |
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