CN107443618A - A kind of regenerating and modifying plastic production technology based on waste or used plastics woven bag - Google Patents
A kind of regenerating and modifying plastic production technology based on waste or used plastics woven bag Download PDFInfo
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- CN107443618A CN107443618A CN201710699576.5A CN201710699576A CN107443618A CN 107443618 A CN107443618 A CN 107443618A CN 201710699576 A CN201710699576 A CN 201710699576A CN 107443618 A CN107443618 A CN 107443618A
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- raw material
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- woven bag
- used plastics
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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
- B29B9/00—Making granules
-
- 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
A kind of regenerating and modifying plastic production technology based on waste or used plastics woven bag, including sorting, cleaning, it is broken, rinsing, add auxiliary material, it is granulated, drying, pack and obtain finished product, wherein auxiliary material includes 9 ~ 11% LLDPE, 0.4 ~ 0.6% PP toughener, 0.4 ~ 0.6% antioxidant, 0.005 ~ 0.015% brightening agent and 0.005 ~ 0.015% ultramarine purple dye, the present invention can be difficult to degrade by caused in production and life, the waste or used plastics woven bag of serious pollution environment is turned waste into wealth after carrying out purchase processing, the operational process of craft is simple, production cost is low, and finished product its colourity after processing, toughness, the performance indications such as tensile force are attained by the performance requirement of raw material, thus application is wider.
Description
Technical field
The present invention relates to plastics recovery and reutilization technology field, and in particular to it is a kind of based on waste or used plastics woven bag again
Raw modified plastics production technology.
Background technology
Plastics cooperatively constitute four big basic material of modern industry with steel, timber, cement, in the national economic development
In occupy great status, plastics have in material excellent combination property, easy to process, production and practicality and can significantly save the energy
The advantages that, it is widely used in industrial or agricultural and the daily life of the people, with the booming of plastics industry and its on a large scale
Use, waste or used plastics yield surges, and most common such as Polywoven Bag plastic products are seen everywhere in daily life, people
Abandon everywhere after use, seriously pollute environment.
Pollution, countries in the world give enough attention caused by order to eliminate or reduce the waste or used plastics such as Polywoven Bag,
Increase the dynamics of investment studied it, existing more effective four kinds of waste or used plastics treatment technologies be burning recover energy, fill,
Recovery and reusing and recycling and chemical pyrolysis recovery, are proved by long-term practice, and recovery and reusing and recycling is the worth technology advocated energetically,
Existing recovery and reusing and recycling technology mainly include Direct Regeneration utilize and modification regeneration utilize, wherein Direct Regeneration using make by
The direct machine-shaping after simple classification, cleaning, broken, granulation of the plastics of recovery, its plastic products quality after processing
Poor, value is not high, and modification regeneration is using being to be reprocessed into regenerated plastics by either physically or chemically modified
The problem of type, its final products performance is good, but existing regenerating and modifying exists using technology has processing technology complexity, is produced into
This height, though and process after final products performance it is good, the performance such as tensile force, colourity, toughness still reaches to the property less than raw material
It can require, therefore there is more room for improvement.
The content of the invention
Technical problem solved by the invention is to provide a kind of regenerating and modifying plastics life based on waste or used plastics woven bag
Production. art, exist with waste or used plastics such as the existing Polywoven Bags that solves to mention in above-mentioned background technology in modification regeneration utilization
Processing technology is complicated, production cost is high, and the problem of the product after processing does not reach the performance requirement of raw material.
Technical problem solved by the invention is realized using following technical scheme：
A kind of regenerating and modifying plastic production technology based on waste or used plastics woven bag, comprises the following steps：
Sorting：To purchase the waste or used plastics woven bag come as raw material, divide after raw material is sorted by color and raw material type
Do not store；
Cleaning：Raw material after sorting is cleaned to remove the debris such as the silt on raw material surface, dust；
It is broken：Raw material after cleaning being broken into thread, being defined by can't see block stock；
Rinsing：Raw material after will be broken is rinsed to remove the little particle impurity of floating, by the raw material after rinsing with running water
Dried with drier；
Add auxiliary material：Following auxiliary material is added in raw material after drying by weight：9 ~ 11% LLDPE, 0.4 ~ 0.6% PP toughness reinforcings
Stirred after agent, 0.4 ~ 0.6% antioxidant, 0.005 ~ 0.015% brightening agent and 0.005 ~ 0.015% ultramarine purple dye
Uniformly obtain compound；
It is granulated：It is granulated after compound is carried out into melting in melting machine in comminutor, obtains plastic grain；
Drying：Plastic grain is packed in dryer after drying to moisture is 0.5 ~ 1%, obtains finished product.
Wherein LLDPE is linear low density polyethylene (LLDPE), has the advantages that intensity height, good toughness, rigidity are strong, heat-resisting, cold-resistant,
Also there is the performance such as good resisting environmental stress and cracking, tear-resistant intensity, and can acid and alkali resistance, organic solvent etc., with waste or used plastics
Fusion can strengthen tensile force；PP toughener is blended in waste or used plastics not to be influenceed to improve waste and old modeling on the premise of plastics nature
The impact strength of material, bonding force, toughness, tensile strength, resistance to tortuosity, winter resistance, alleviation are expanded with heat and contract with cold, reduce life into
This；Antioxidant be widely used in it is plastic reclaimed in, for preventing waste or used plastics from being lost in oxidizing process because of oxidative degradation
Intensity and toughness, and yellowing can be prevented；Brightening agent is also known as fluorescent whitening agent, the waste or used plastics of collection often due to containing
Foreign pigment and be in yellow, and brightening agent and ultramarine purple dye can play whitening effect during plastic extruding pelletization.
It is further preferred that following auxiliary material is added by weight in raw material after drying：10% LLDPE, 0.5% PP
Compound is uniformly mixing to obtain after toughener, 0.5% antioxidant, 0.01% brightening agent and 0.01% ultramarine purple dye；
It is further preferred that the weight ratio of its running water and raw material is during cleaning（8~12）:1, cleaning process is secondary cleaning, bag
The crushing washing and secondary friction cleaning, the cleaning waste water after cleaning for including first time repeat after being handled by three-level sedimentation basin
Utilize；
It is further preferred that being rinsed through impeller stirs rinsing, the cleaning waste water after rinsing is handled again by three-level sedimentation basin
After reuse；
Three-level sedimentation basin includes one-level detritus tank, second-level settling pond and three-level clear water reserviors, and wherein one-level detritus tank and two level is sunk
Shallow lake pond is mainly precipitated sludge, and sediment is generally silt and a small amount of molding powder, using deslimer periodic cleaning, three-level clear water reserviors
In water can be used for repeated washing and rinsing, so as to formed cleaning and rinsing water recycling, saving largely use water；
Further, the melting machine includes one-level melting machine and two level melting machine, compound sequentially enter one-level melting machine and
Two level melting machine, wherein one-level melting machine temperature setting are 270 ~ 290 DEG C, and two level melting machine temperature setting is 210 ~ 230 DEG C, institute
It is less than 20 ~ 30 DEG C of raw material fusing point to state comminutor temperature setting.
Further, the waste or used plastics woven bag of purchase includes rice for bag, clothing factory's packaging bag, beverage bottle and plastic products
Factory caused leftover bits and pieces, leftover pieces and defect ware in process, not including medical waste plastics and other dangerous useless modelings
Material.
Beneficial effect：A kind of regenerating and modifying plastic production technology based on waste or used plastics woven bag of the present invention, energy
To be difficult to degrade, seriously pollute environment waste or used plastics woven bag carry out purchase processing after turn waste into wealth, the operational process of craft
Simply, production cost is low, and the index such as finished product its colourity after processing, toughness, tensile force is attained by the performance of raw material
It is required that there is important actual production and dissemination.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Close specific embodiment and the present invention is expanded on further.
Specific embodiment 1
A kind of regenerating and modifying plastic production technology based on waste or used plastics woven bag described in the present embodiment comprises the following steps：
Sorting：To purchase the waste or used plastics woven bag come as raw material, divide after raw material is sorted by color and raw material type
Do not store；
Cleaning：Raw material after sorting is cleaned to remove the debris such as the silt on raw material surface, dust；Its running water during cleaning
Weight ratio with raw material is 10:1, cleaning process is secondary cleaning, including the crushing washing of first time and secondary friction are clearly
Wash, the cleaning waste water after cleaning reuses after being handled by three-level sedimentation basin；Three-level sedimentation basin includes one-level detritus tank, two level
Sedimentation basin and three-level clear water reserviors, wherein one-level detritus tank and second-level settling pond are mainly precipitated sludge, and sediment is generally silt
And a small amount of molding powder, using deslimer periodic cleaning, the water in three-level clear water reserviors can be used for repeated washing and rinsing, so as to
Cleaning and the recycling of rinsing water are formed, saving largely uses water；
It is broken：Raw material after cleaning is broken into thread；
Rinsing：Raw material after will be broken is rinsed to remove the little particle impurity of floating, by the raw material after rinsing with running water
Dried with drier；It is rinsed through impeller and stirs rinsing, weight after the cleaning waste water after rinsing is handled again by three-level sedimentation basin
It is multiple to utilize；
Add auxiliary material：Following auxiliary material is added in raw material after drying by weight：10% LLDPE, 0.5% PP toughener,
Compound is uniformly mixing to obtain after 0.5% antioxidant, 0.01% brightening agent and 0.01% ultramarine purple dye；
It is granulated：It is granulated after compound is carried out into melting in melting machine in comminutor, obtains plastic grain；Wherein melting
Machine includes one-level melting machine and two level melting machine, and compound sequentially enters one-level melting machine and two level melting machine, and wherein one-level is melted
Molten machine temperature setting is 280 DEG C, and two level melting machine temperature setting is 220 DEG C, comminutor temperature setting be less than raw material fusing point 20 ~
30 DEG C, such as it is polypropylene plastics that the waste or used plastics woven bag primary raw material composition come is collected in the present embodiment, polypropylene plastics
Fusing point be 183-187 DEG C, therefore by comminutor temperature setting be 160 DEG C or so；
Drying：Plastic grain is packed in dryer after drying to moisture is 0.5 ~ 1%, obtains finished product.
Specific embodiment 2
A kind of regenerating and modifying plastic production technology based on waste or used plastics woven bag described in the present embodiment comprises the following steps：
Sorting：To purchase the waste or used plastics woven bag come as raw material, divide after raw material is sorted by color and raw material type
Do not store；
Cleaning：Raw material after sorting is cleaned to remove the debris such as the silt on raw material surface, dust；Its running water during cleaning
Weight ratio with raw material is 12:1, cleaning process is secondary cleaning, including the crushing washing of first time and secondary friction are clearly
Wash, the cleaning waste water after cleaning reuses after being handled by three-level sedimentation basin；Three-level sedimentation basin includes one-level detritus tank, two level
Sedimentation basin and three-level clear water reserviors, wherein one-level detritus tank and second-level settling pond are mainly precipitated sludge, and sediment is generally silt
And a small amount of molding powder, using deslimer periodic cleaning, the water in three-level clear water reserviors can be used for repeated washing and rinsing, so as to
Cleaning and the recycling of rinsing water are formed, saving largely uses water；
It is broken：Raw material after cleaning is broken into thread；
Rinsing：Raw material after will be broken is rinsed to remove the little particle impurity of floating, by the raw material after rinsing with running water
Dried with drier；It is rinsed through impeller and stirs rinsing, weight after the cleaning waste water after rinsing is handled again by three-level sedimentation basin
It is multiple to utilize；
Add auxiliary material：Following auxiliary material is added in raw material after drying by weight：8% LLDPE, 0.6% PP toughener, 0.4%
Antioxidant, be uniformly mixing to obtain compound after 0.015% brightening agent and 0.005% ultramarine purple dye；
It is granulated：It is granulated after compound is carried out into melting in melting machine in comminutor, obtains plastic grain；Wherein melting
Machine includes one-level melting machine and two level melting machine, and compound sequentially enters one-level melting machine and two level melting machine, and wherein one-level is melted
Molten machine temperature setting is 290 DEG C, and two level melting machine temperature setting is 210 DEG C, comminutor temperature setting be less than raw material fusing point 20 ~
30 DEG C, such as it is polypropylene plastics that the waste or used plastics woven bag primary raw material composition come is collected in the present embodiment, polypropylene plastics
Fusing point be 183-187 DEG C, therefore by comminutor temperature setting be 160 DEG C or so；
Drying：Plastic grain is packed in dryer after drying to moisture is 0.5 ~ 1%, obtains finished product.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (4)
1. a kind of regenerating and modifying plastic production technology based on waste or used plastics woven bag, it is characterised in that comprise the following steps：
Sorting：To purchase the waste or used plastics woven bag come as raw material, divide after raw material is sorted by color and raw material type
Do not store；
Cleaning：Raw material after sorting is cleaned to remove the debris such as the silt on raw material surface, dust；
It is broken：Raw material after cleaning is broken into thread；
Rinsing：Raw material after will be broken is rinsed to remove the little particle impurity of floating, by the raw material after rinsing with running water
Dried with drier；
Add auxiliary material：Following auxiliary material is added in raw material after drying by weight：9 ~ 11% LLDPE, 0.4 ~ 0.6% PP toughness reinforcings
After agent, 0.4 ~ 0.6% antioxidant, 0.005 ~ 0.015% brightening agent and 0.005 ~ 0.015% ultramarine purple dye and stir
Mix and uniformly obtain compound；
It is granulated：It is granulated after compound is carried out into melting in melting machine in comminutor, obtains plastic grain；
Drying：Plastic grain is packed in dryer after drying to moisture is 0.5 ~ 1%, obtains finished product.
2. a kind of regenerating and modifying plastic production technology based on waste or used plastics woven bag according to claim 1, its feature
It is, adds following auxiliary material in the raw material after drying by weight：10% LLDPE, 0.5% PP toughener, 0.5% it is anti-
Compound is uniformly mixing to obtain after oxidant, 0.01% brightening agent and 0.01% ultramarine purple dye.
3. a kind of regenerating and modifying plastic production technology based on waste or used plastics woven bag according to claim 1, its feature
It is, the weight ratio of its running water and raw material is during cleaning（8~12）:1, cleaning waste water after cleaning by three-level sedimentation basin at
Reused after reason.
4. a kind of regenerating and modifying plastic production technology based on waste or used plastics woven bag according to claim 1, its feature
It is, the melting machine includes one-level melting machine and two level melting machine, compound sequentially enter one-level melting machine and two level melting
Machine, wherein one-level melting machine temperature setting are 270 ~ 290 DEG C, and two level melting machine temperature setting is 210 ~ 230 DEG C, the comminutor
Temperature setting is less than 20 ~ 30 DEG C of raw material fusing point.
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| CN201710699576.5A CN107443618A (en) | 2017-08-15 | 2017-08-15 | A kind of regenerating and modifying plastic production technology based on waste or used plastics woven bag |
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Cited By (8)
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| CN108501255A (en) * | 2018-02-06 | 2018-09-07 | 漳州市福泰再生资源股份有限公司 | A kind of plastics recovery method |
| CN108532024A (en) * | 2018-04-27 | 2018-09-14 | 荆门市万千塑业有限责任公司 | A kind of woven bag and preparation method thereof using polypropylene reclaimed material production |
| CN110423046A (en) * | 2019-09-03 | 2019-11-08 | 陈剑锋 | A kind of Novel environment-friendlymaterial material and preparation method thereof |
| CN110576530A (en) * | 2018-06-08 | 2019-12-17 | 泉州市坤盛节能科技有限公司 | preparation process of regenerated polyester granules with clothing waste fibers as main raw materials |
| CN111099139A (en) * | 2020-01-08 | 2020-05-05 | 宿迁市中塑实业有限公司 | Preparation process of anti-skid and anti-purple plastic woven bag |
| CN111118641A (en) * | 2018-10-31 | 2020-05-08 | 迁安市胜北塑料制品厂 | Train professional bulk grain bag and preparation method thereof |
| CN111805799A (en) * | 2020-03-30 | 2020-10-23 | 苏州润鑫包装科技有限公司 | Recovery method of plastic packaging film |
| CN112663170A (en) * | 2020-12-21 | 2021-04-16 | 天津市旭辉恒远塑料包装股份有限公司 | Method for preparing moisture-proof woven bag by utilizing recycled plastic |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN111118641A (en) * | 2018-10-31 | 2020-05-08 | 迁安市胜北塑料制品厂 | Train professional bulk grain bag and preparation method thereof |
| CN110423046A (en) * | 2019-09-03 | 2019-11-08 | 陈剑锋 | A kind of Novel environment-friendlymaterial material and preparation method thereof |
| CN111099139A (en) * | 2020-01-08 | 2020-05-05 | 宿迁市中塑实业有限公司 | Preparation process of anti-skid and anti-purple plastic woven bag |
| CN111805799A (en) * | 2020-03-30 | 2020-10-23 | 苏州润鑫包装科技有限公司 | Recovery method of plastic packaging film |
| CN112663170A (en) * | 2020-12-21 | 2021-04-16 | 天津市旭辉恒远塑料包装股份有限公司 | Method for preparing moisture-proof woven bag by utilizing recycled plastic |
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Application publication date: 20171208 |