CN109129987A - A kind of cleaning process of waste plastic - Google Patents

A kind of cleaning process of waste plastic Download PDF

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Publication number
CN109129987A
CN109129987A CN201810877857.XA CN201810877857A CN109129987A CN 109129987 A CN109129987 A CN 109129987A CN 201810877857 A CN201810877857 A CN 201810877857A CN 109129987 A CN109129987 A CN 109129987A
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Prior art keywords
minutes
added
parts
cleaning
waste plastic
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Chinese (zh)
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苑福录
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Jieshou Wanshixing Plastic Industry Co Ltd
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Jieshou Wanshixing Plastic Industry Co Ltd
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Priority to CN201810877857.XA priority Critical patent/CN109129987A/en
Publication of CN109129987A publication Critical patent/CN109129987A/en
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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
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/041—Cleaning travelling work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
    • 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
    • B29B17/0412—Disintegrating plastics, e.g. by milling to large particles, e.g. beads, granules, flakes, slices
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2003—Alcohols; Phenols
    • C11D3/2006—Monohydric alcohols
    • C11D3/201—Monohydric alcohols linear
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2068—Ethers
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2086—Hydroxy carboxylic acids-salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/22—Carbohydrates or derivatives thereof
    • C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/33—Amino carboxylic acids
    • 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Molecular Biology (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

Waste plastic is first crushed by the present invention by waste plastic back is collected, pre-cleaning is carried out with level-one pretreatment pool again, on the one hand the spot on waste plastic can be cleaned, on the one hand it can soften waste plastic, it adds in two stage treatment liquid and cleaning treatment is stirred to plastic grain, be conducive to treatment fluid to the spot on plastic grain, greasy dirt, viscose etc. sufficiently acts on, cleaning effect is more preferable, plastic grain is put into three-level service sink again and level Four cleaning pond rinses, finally dried, it is put into freezing chamber and carries out freezen protective processing, the liquid in processing pond is set to reuse using level Four processing method, it is more energy saving.

Description

A kind of cleaning process of waste plastic
Technical field:
The present invention relates to plastics recovery processing technique fields, and in particular to a kind of cleaning process of waste plastic.
Background technique:
As plastic products consumption figure constantly increases, waste plastic is also increasing.China's waste plastic is mainly at present Plastic film, plastic wire and knitting, foamed plastics, plastic package box, mineral water bottle, daily plastic product, polybag and agriculture With mulch etc..These scrapped plastic products are difficult to natural decomposition, and waste of resource, can cause strong influence to environment.According to Solution, 2011, China's waste plastics yield was about 28,000,000 tons, and 2012 are 34,130,000 tons.The storage of these waste plastics, fortune If defeated, processing waits the processed application of waste plastic raw material and post-processing improper, will certainly welding, it is strong to endanger the common people Health.If can be by these waste plastic product recycling and reusings again, it will be able to economize on resources, protect environment, and obtain Biggish economic benefit.
During the recovery processing to waste plastic, spot, viscose, label can be speckled on plastics, these spots are difficult to Removal, then before being modified processing to waste plastic, need to clear up these spots, in order to avoid after to successive modified processing Plastics performance impacts.
Summary of the invention:
The technical problem to be solved by the present invention lies in overcoming the defects of the prior art, provides a kind of cleaning of waste plastic Technique.
The technical problems to be solved by the invention are realized using following technical scheme.
A kind of cleaning process of waste plastic, which is characterized in that processing step is specific as follows:
(1) waste plastic of collection is subjected to break process, is broken into the plastic grain of 0.5-1cm square；
(2) broken plastic grain is put into level-one pretreatment pool, added with dense by water and 10mol/L in pretreatment pool Pretreatment fluid temperature is heated to 60-80 degree by the pretreatment fluid that the acetic acid of degree is formed according to 100:20 mass ratio, is stirred and is turned Dynamic, mixing speed 300-500r/min stirs 40-60 minutes, plays the role of prerinse and softening；
(3) plastic grain for handling step 2 well filters out, and is added in two stage treatment pond, added with treatment fluid in processing pond, And treatment fluid temperature is maintained at 30-50 degree, and first by plastic grain soaking 20-40 minutes, reuse frequency 20KHZ, power 900W Ultrasonic wave carry out ultrasonication, the time be 20-40 minutes；
(4) plastic grain for handling step 3 well is added in three-level service sink, and being added in service sink has clear water, with clear Water carries out agitation cleaning 5-15 minutes；
(5) plastic grain after step 4 cleaning is filtered out, is added in level Four cleaning pond, is further cleaned, cleaned Time is 5-15 minutes；
(6) the cleaned plastic grain of step 5 is dried into moisture, is put into freezing chamber and carries out freezen protective.
It is subsequent be modified plastic processing before, the plastic grain of freezing is first put in thaw at RT, then carry out mixing modification.
The treatment fluid is made of the material of following parts by weight: 120-150 parts of deionized water, 10-20 parts of dehydrated alcohol, 10-30 parts of modified starch, 5-15 parts of seaweed glue, microcrystalline cellulose -10-20 parts of glycine, 5-10 parts of dodecyl benzene sulfonic acid, whale 4-8 parts of ceryl alcohol, 2-5 parts of sodium citrate, 1-3 parts of Phenoxyethanol.
The treatment fluid the production method is as follows: modified starch and dodecyl benzene sulfonic acid are mixed and heated to 60-80 degree, Heat preservation grinding is carried out, and instills dehydrated alcohol during the grinding process, is ground when instilling, grinds 10-20 minutes, obtains material I；It will Microcrystalline cellulose-glycine is mixed with seaweed glue, and deionized water is added, stirs evenly, in microwave frequency 2450MHz, power Microwave reflow treatment 5-15 minutes under 700W add cetanol and sodium citrate, continue microblogging reflow treatment 5-15 minutes, then Obtain material II；Material I, material II are mixed, Phenoxyethanol is added, is stirred mixing, mixing speed 800-1000r/ Min, mixing time are 10-20 minutes, be can be prepared by.
The modified starch by starch, active carbon, stearic acid, palm oil modification be made, production method are as follows: by starch with Active carbon mixing, carries out ultrasonication 5-15 minutes in frequency 20KHZ, the processor for ultrasonic wave of power 900W, adds After stearic acid mixing, dehydrated alcohol is added in the microwave treater microwave reflow treatment 10-20 of frequency 2250MHz, power 800W Minute, it adds palm oil and continues microwave reflow treatment 10-20 minutes, gained mixture is stirred with 1000-1200r/min speed It mixes device to be stirred, mixing time is 5-10 minutes, and gained mixture is sent into freeze drier, and dry obtained solid is through super Micro mist is made to get modified starch in atomizer.
The starch, active carbon, stearic acid, palm oil, dehydrated alcohol mass ratio be 10-20:5-10:5-10:3-6: 5-10。
Microcrystalline cellulose-the glycine specific the preparation method comprises the following steps: microcrystalline cellulose, glycine are mixed after be warming up to 80-85 DEG C of heat preservation is ground 10 minutes, and deionized water then is added until mass water content reaches 80-85%, is sufficiently stirred and benefit With microwave treater microwave reflow treatment 5 minutes, interval was continued microwave reflow treatment 5 minutes after five minutes, was spaced 5 minutes again Microwave reflow treatment 5 minutes afterwards, repeat operation, and control total microwave reflow treatment at 25-35 minutes, after treatment is natural It is cooled to room temperature, gained mixture is sent into freeze drier, and micro mist is made through micronizer to get micro- in dry obtained solid Crystalline cellulose-glycine.
The microcrystalline cellulose, glycine mass ratio in 1-5:5-10.
The beneficial effects of the present invention are:
1, waste plastic is first crushed by the present invention by waste plastic back is collected, then is carried out with level-one pretreatment pool On the one hand pre-cleaning can clean the spot on waste plastic, on the one hand can soften waste plastic, add two stage treatment liquid In cleaning treatment is stirred to plastic grain, be conducive to treatment fluid and spot, greasy dirt, viscose on plastic grain etc. sufficiently made With, cleaning effect is more preferable, then plastic grain is put into three-level service sink and level Four cleaning pond rinses, finally dried, It is put into freezing chamber and carries out freezen protective processing, so that the liquid in processing pond is reused using level Four processing method, more save The energy；
2, it on the one hand can be improved the resistance to low temperature of reworked material using freezing processing, it is another to improve its mechanical property Aspect makes plastic grain intermolecular distance become larger, and subsequent addition modified additive is easier when being kneaded, is more energy efficient；
3, it joined modified starch in the treatment fluid that the present invention uses, changed using starch, active carbon, stearic acid, palm oil Property be made, the viscous stickiness of starch can either be increased, lipophilic and hydrophily, then common with other surfaces activating agent, cleansing Effect, increases the cleaning action for the treatment of fluid, while treatment fluid being avoided to remain, unfavorable to the modification of subsequent plastics.
Specific embodiment:
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below Specific embodiment is closed, the present invention is further explained.
Embodiment 1
A kind of cleaning process of waste plastic, which is characterized in that processing step is specific as follows:
(1) waste plastic of collection is subjected to break process, is broken into the plastic grain of 0.5cm square；
(2) broken plastic grain is put into level-one pretreatment pool, added with dense by water and 10mol/L in pretreatment pool Pretreatment fluid temperature is heated to 60 degree, is stirred rotation by the pretreatment fluid that the acetic acid of degree is formed according to 100:20 mass ratio, Mixing speed is 300r/min, stirs 40 minutes, plays the role of prerinse and softening；
(3) plastic grain for handling step 2 well filters out, and is added in two stage treatment pond, added with treatment fluid in processing pond, And treatment fluid temperature is maintained at 30 degree, and first by plastic grain soaking 20 minutes, reuse frequency 20KHZ, the ultrasound of power 900W Wave carries out ultrasonication, and the time is 20 minutes；
(4) plastic grain for handling step 3 well is added in three-level service sink, and being added in service sink has clear water, with clear Water carries out agitation cleaning 5 minutes；
(5) plastic grain after step 4 cleaning is filtered out, is added in level Four cleaning pond, is further cleaned, cleaned Time is 5 minutes；
(6) the cleaned plastic grain of step 5 is dried into moisture, is put into freezing chamber and carries out freezen protective.
It is subsequent be modified plastic processing before, the plastic grain of freezing is first put in thaw at RT, then carry out mixing modification.
The treatment fluid is made of the material of following parts by weight: 120 parts of deionized water, 10 parts of dehydrated alcohol, modified shallow lake 10 parts of powder, 5 parts of seaweed glue, 10 parts of microcrystalline cellulose-glycine, 5 parts of dodecyl benzene sulfonic acid, 4 parts of cetanol, sodium citrate 2 Part, 1 part of Phenoxyethanol.
The treatment fluid the production method is as follows: modified starch and dodecyl benzene sulfonic acid are mixed and heated to 60 degree, into Row heat preservation grinding, and dehydrated alcohol is instilled during the grinding process, it is ground when instilling, grinds 10 minutes, obtain material I；By crystallite Cellulose-glycine is mixed with seaweed glue, and deionized water is added, stirs evenly, under microwave frequency 2450MHz, power 700W Microwave reflow treatment 5 minutes, cetanol and sodium citrate are added, is continued microblogging reflow treatment 5-15 minutes, then obtains material II； Material I, material II are mixed, Phenoxyethanol is added, is stirred mixing, mixing speed 800r/min, mixing time 10 Minute, it can be prepared by.
The modified starch by starch, active carbon, stearic acid, palm oil modification be made, production method are as follows: by starch with Active carbon mixing, carries out ultrasonication 5 minutes in frequency 20KHZ, the processor for ultrasonic wave of power 900W, adds tristearin After acid-mixed is closed, dehydrated alcohol is added in frequency 2250MHz, microwave treater microwave reflow treatment 10 minutes of power 800W, then Palm oil is added to continue microwave reflow treatment 10 minutes, gained mixture is stirred with the blender of 1000r/min speed, is stirred Mixing the time is 5 minutes, and gained mixture is sent into freeze drier, and micro mist is made through micronizer in dry obtained solid, Up to modified starch.
The starch, active carbon, stearic acid, palm oil, dehydrated alcohol mass ratio be 10:5:5:3:5.
Microcrystalline cellulose-the glycine specific the preparation method comprises the following steps: microcrystalline cellulose, glycine are mixed after be warming up to 80 DEG C of heat preservations are ground 10 minutes, and deionized water then is added until mass water content reaches 80%, is sufficiently stirred and utilizes microwave Processor microwave reflow treatment 5 minutes, interval are continued microwave reflow treatment 5 minutes after five minutes, then minor tick microwave after five minutes It reflow treatment 5 minutes, repeats operation, controls total microwave reflow treatment at 25 minutes, after treatment naturally cools to room Temperature, gained mixture are sent into freeze drier, and micro mist is made through micronizer to get microcrystalline cellulose in dry obtained solid Element-glycine.
The microcrystalline cellulose, glycine mass ratio in 1:5.
Embodiment 2
A kind of cleaning process of waste plastic, which is characterized in that processing step is specific as follows:
(1) waste plastic of collection is subjected to break process, is broken into the plastic grain of 0.8cm square；
(2) broken plastic grain is put into level-one pretreatment pool, added with dense by water and 10mol/L in pretreatment pool Pretreatment fluid temperature is heated to 70 degree, is stirred rotation by the pretreatment fluid that the acetic acid of degree is formed according to 100:20 mass ratio, Mixing speed is 400r/min, stirs 50 minutes, plays the role of prerinse and softening；
(3) plastic grain for handling step 2 well filters out, and is added in two stage treatment pond, added with treatment fluid in processing pond, And treatment fluid temperature is maintained at 40 degree, and first by plastic grain soaking 30 minutes, reuse frequency 20KHZ, the ultrasound of power 900W Wave carries out ultrasonication, and the time is 30 minutes；
(4) plastic grain for handling step 3 well is added in three-level service sink, and being added in service sink has clear water, with clear Water carries out agitation cleaning 10 minutes；
(5) plastic grain after step 4 cleaning is filtered out, is added in level Four cleaning pond, is further cleaned, cleaned Time is 10 minutes；
(6) the cleaned plastic grain of step 5 is dried into moisture, is put into freezing chamber and carries out freezen protective.
It is subsequent be modified plastic processing before, the plastic grain of freezing is first put in thaw at RT, then carry out mixing modification.
The treatment fluid is made of the material of following parts by weight: 140 parts of deionized water, 15 parts of dehydrated alcohol, modified shallow lake 20 parts of powder, 10 parts of seaweed glue, 15 parts of microcrystalline cellulose-glycine, 8 parts of dodecyl benzene sulfonic acid, 6 parts of cetanol, sodium citrate 4 Part, 2 parts of Phenoxyethanol.
The treatment fluid the production method is as follows: modified starch and dodecyl benzene sulfonic acid are mixed and heated to 70 degree, into Row heat preservation grinding, and dehydrated alcohol is instilled during the grinding process, it is ground when instilling, grinds 15 minutes, obtain material I；By crystallite Cellulose-glycine is mixed with seaweed glue, and deionized water is added, stirs evenly, under microwave frequency 2450MHz, power 700W Microwave reflow treatment 10 minutes, cetanol and sodium citrate are added, is continued microblogging reflow treatment 10 minutes, then obtains material II； Material I, material II are mixed, Phenoxyethanol is added, is stirred mixing, mixing speed 900r/min, mixing time 15 Minute, it can be prepared by.
The modified starch by starch, active carbon, stearic acid, palm oil modification be made, production method are as follows: by starch with Active carbon mixing, carries out ultrasonication 10 minutes in frequency 20KHZ, the processor for ultrasonic wave of power 900W, adds hard After resin acid mixing, dehydrated alcohol is added in frequency 2250MHz, microwave treater microwave reflow treatment 15 minutes of power 800W, Palm oil is added to continue microwave reflow treatment 15 minutes, gained mixture is stirred with the blender of 1100r/min speed, Mixing time is 8 minutes, and gained mixture is sent into freeze drier, and dry obtained solid is made micro- through micronizer Powder is to get modified starch.
The starch, active carbon, stearic acid, palm oil, dehydrated alcohol mass ratio be 15:8:8:5:8.
Microcrystalline cellulose-the glycine specific the preparation method comprises the following steps: microcrystalline cellulose, glycine are mixed after be warming up to 83 DEG C of heat preservations are ground 10 minutes, and deionized water then is added until mass water content reaches 83%, is sufficiently stirred and utilizes microwave Processor microwave reflow treatment 5 minutes, interval are continued microwave reflow treatment 5 minutes after five minutes, then minor tick microwave after five minutes It reflow treatment 5 minutes, repeats operation, controls total microwave reflow treatment at 30 minutes, after treatment naturally cools to room Temperature, gained mixture are sent into freeze drier, and micro mist is made through micronizer to get microcrystalline cellulose in dry obtained solid Element-glycine.
The microcrystalline cellulose, glycine mass ratio in 3:8.
Embodiment 3
A kind of cleaning process of waste plastic, which is characterized in that processing step is specific as follows:
(1) waste plastic of collection is subjected to break process, is broken into the plastic grain of 1cm square；
(2) broken plastic grain is put into level-one pretreatment pool, added with dense by water and 10mol/L in pretreatment pool Pretreatment fluid temperature is heated to 80 degree, is stirred rotation by the pretreatment fluid that the acetic acid of degree is formed according to 100:20 mass ratio, Mixing speed is 500r/min, stirs 60 minutes, plays the role of prerinse and softening；
(3) plastic grain for handling step 2 well filters out, and is added in two stage treatment pond, added with treatment fluid in processing pond, And treatment fluid temperature is maintained at 50 degree, and first by plastic grain soaking 40 minutes, reuse frequency 20KHZ, the ultrasound of power 900W Wave carries out ultrasonication, and the time is 40 minutes；
(4) plastic grain for handling step 3 well is added in three-level service sink, and being added in service sink has clear water, with clear Water carries out agitation cleaning 15 minutes；
(5) plastic grain after step 4 cleaning is filtered out, is added in level Four cleaning pond, is further cleaned, cleaned Time is 15 minutes；
(6) the cleaned plastic grain of step 5 is dried into moisture, is put into freezing chamber and carries out freezen protective.
It is subsequent be modified plastic processing before, the plastic grain of freezing is first put in thaw at RT, then carry out mixing modification.
The treatment fluid is made of the material of following parts by weight: 150 parts of deionized water, 20 parts of dehydrated alcohol, modified shallow lake 30 parts of powder, 15 parts of seaweed glue, 20 parts of microcrystalline cellulose-glycine, 10 parts of dodecyl benzene sulfonic acid, 8 parts of cetanol, sodium citrate 5 parts, 3 parts of Phenoxyethanol.
The treatment fluid the production method is as follows: modified starch and dodecyl benzene sulfonic acid are mixed and heated to 80 degree, into Row heat preservation grinding, and dehydrated alcohol is instilled during the grinding process, it is ground when instilling, grinds 20 minutes, obtain material I；By crystallite Cellulose-glycine is mixed with seaweed glue, and deionized water is added, stirs evenly, under microwave frequency 2450MHz, power 700W Microwave reflow treatment 15 minutes, cetanol and sodium citrate are added, is continued microblogging reflow treatment 15 minutes, then obtains material II； Material I, material II are mixed, Phenoxyethanol is added, is stirred mixing, mixing speed 1000r/min, mixing time 20 Minute, it can be prepared by.
The modified starch by starch, active carbon, stearic acid, palm oil modification be made, production method are as follows: by starch with Active carbon mixing, carries out ultrasonication 15 minutes in frequency 20KHZ, the processor for ultrasonic wave of power 900W, adds hard After resin acid mixing, dehydrated alcohol is added in frequency 2250MHz, microwave treater microwave reflow treatment 20 minutes of power 800W, Palm oil is added to continue microwave reflow treatment 20 minutes, gained mixture is stirred with the blender of 1200r/min speed, Mixing time is 10 minutes, and gained mixture is sent into freeze drier, and dry obtained solid is made micro- through micronizer Powder is to get modified starch.
The starch, active carbon, stearic acid, palm oil, dehydrated alcohol mass ratio be 20:10:10:6:10.
Microcrystalline cellulose-the glycine specific the preparation method comprises the following steps: microcrystalline cellulose, glycine are mixed after be warming up to 85 DEG C of heat preservations are ground 10 minutes, and deionized water then is added until mass water content reaches 85%, is sufficiently stirred and utilizes microwave Processor microwave reflow treatment 5 minutes, interval are continued microwave reflow treatment 5 minutes after five minutes, then minor tick microwave after five minutes It reflow treatment 5 minutes, repeats operation, controls total microwave reflow treatment at 35 minutes, after treatment naturally cools to room Temperature, gained mixture are sent into freeze drier, and micro mist is made through micronizer to get microcrystalline cellulose in dry obtained solid Element-glycine.
The microcrystalline cellulose, glycine mass ratio in 5:10.
Control group 1
This control group content and 2 content of embodiment are essentially identical, and something in common no longer repeats, the difference is that: processing Modified starch is replaced using starch in liquid.
Control group 2
This control group content and 2 content of embodiment are essentially identical, and something in common no longer repeats, the difference is that: processing Microcrystalline cellulose-glycine is not used in liquid.
Control group 3
This control group content and 2 content of embodiment are essentially identical, and something in common no longer repeats, the difference is that: it uses Dish washing liquid replaces treatment fluid.
Table 1 is the embodiment of the present invention to recycled plastic cleaning effect
The basic principles, main features and advantages of the present invention have 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 above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (5)

1. a kind of cleaning process of waste plastic, which is characterized in that processing step is specific as follows:
(1) waste plastic of collection is subjected to break process, is broken into the plastic grain of 0.5-1cm square；
(2) broken plastic grain is put into level-one pretreatment pool, added with by water and 10mol/L concentration in pretreatment pool Pretreatment fluid temperature is heated to 60-80 degree, is stirred rotation by the pretreatment fluid that acetic acid is formed according to 100:20 mass ratio, Mixing speed is 300-500r/min, stirs 40-60 minutes, plays the role of prerinse and softening；
(3) plastic grain for handling step 2 well filters out, and is added in two stage treatment pond, added with treatment fluid in processing pond, and will Treatment fluid temperature is maintained at 30-50 degree, and first by plastic grain soaking 20-40 minutes, reuse frequency 20KHZ's, power 900W is super Sound wave carries out ultrasonication, and the time is 20-40 minutes；
(4) plastic grain for handling step 3 well is added in three-level service sink, in service sink be added have clear water, with clear water into Row agitation cleaning 5-15 minutes；
(5) plastic grain after step 4 cleaning is filtered out, is added in level Four cleaning pond, is further cleaned, scavenging period It is 5-15 minutes；
(6) the cleaned plastic grain of step 5 is dried into moisture, is put into freezing chamber and carries out freezen protective.
2. the cleaning process of waste plastic according to claim 1, it is characterised in that: the treatment fluid is by following weight The material of number is made: 120-150 parts of deionized water, 10-20 parts of dehydrated alcohol, 10-30 parts of modified starch, seaweed glue 5-15 Part, microcrystalline cellulose -10-20 parts of glycine, 5-10 parts of dodecyl benzene sulfonic acid, 4-8 parts of cetanol, 2-5 parts of sodium citrate, benzene 1-3 parts of oxyethanol.
3. the cleaning process of waste plastic according to claim 2, it is characterised in that: the production method of the treatment fluid It is as follows: modified starch and dodecyl benzene sulfonic acid being mixed and heated to 60-80 degree, carry out heat preservation grinding, and during the grinding process Dehydrated alcohol is instilled, is ground when instilling, grinds 10-20 minutes, obtains material I；Microcrystalline cellulose-glycine is mixed with seaweed glue It closes, deionized water is added, stirs evenly, microwave reflow treatment 5-15 minutes under microwave frequency 2450MHz, power 700W, then Cetanol and sodium citrate is added, continues microblogging reflow treatment 5-15 minutes, then obtains material II；Material I, material II are mixed, Phenoxyethanol is added, is stirred mixing, mixing speed 800-1000r/min, mixing time is 10-20 minutes, can be made ?.
4. the cleaning process of waste plastic according to claim 2, it is characterised in that: the modified starch by starch, Active carbon, stearic acid, palm oil modification are made, production method are as follows: mix starch with active carbon, in frequency 20KHZ, power Carried out ultrasonication 5-15 minutes in the processor for ultrasonic wave of 900W, add stearic acid mixing after, be added dehydrated alcohol in Microwave treater microwave reflow treatment 10-20 minutes of frequency 2250MHz, power 800W add palm oil and continue microwave time Stream process 10-20 minutes, gained mixture was stirred with the blender of 1000-1200r/min speed, mixing time 5-10 Minute, gained mixture is sent into freeze drier, dry obtained solid is made micro mist through micronizer and forms sediment to get modified Powder.
5. the cleaning process of waste plastic according to claim 4, it is characterised in that: the starch, active carbon, tristearin Acid, palm oil, dehydrated alcohol mass ratio be 10-20:5-10:5-10:3-6:5-10.
CN201810877857.XA 2018-08-03 2018-08-03 A kind of cleaning process of waste plastic Pending CN109129987A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111958871A (en) * 2020-07-30 2020-11-20 安徽环嘉天一再生资源有限公司 Multistage cleaning method for regenerated high-quality plastic bottle flakes
CN113071024A (en) * 2021-04-16 2021-07-06 安乡县恒达包装材料有限公司 Method for preparing foam product by recycling waste plastic

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111958871A (en) * 2020-07-30 2020-11-20 安徽环嘉天一再生资源有限公司 Multistage cleaning method for regenerated high-quality plastic bottle flakes
CN113071024A (en) * 2021-04-16 2021-07-06 安乡县恒达包装材料有限公司 Method for preparing foam product by recycling waste plastic
CN113071024B (en) * 2021-04-16 2024-03-29 安乡县恒达包装材料有限公司 Method for preparing foam product by recycling waste plastics

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