CN109366807A - A kind of mechanical intelligence method for fine finishing sorting various material from comprehensive waste plastics - Google Patents
A kind of mechanical intelligence method for fine finishing sorting various material from comprehensive waste plastics Download PDFInfo
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- CN109366807A CN109366807A CN201811484345.3A CN201811484345A CN109366807A CN 109366807 A CN109366807 A CN 109366807A CN 201811484345 A CN201811484345 A CN 201811484345A CN 109366807 A CN109366807 A CN 109366807A
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- Prior art keywords
- plastics
- purity
- sorting
- plastic
- comprehensive waste
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- 229920003023 plastic Polymers 0.000 title claims abstract description 238
- 239000004033 plastic Substances 0.000 title claims abstract description 238
- 239000000463 material Substances 0.000 title claims abstract description 132
- 239000002699 waste material Substances 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000004140 cleaning Methods 0.000 claims abstract description 44
- 238000007885 magnetic separation Methods 0.000 claims abstract description 36
- 238000000926 separation method Methods 0.000 claims abstract description 31
- 238000005188 flotation Methods 0.000 claims abstract description 26
- 239000007769 metal material Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 109
- 239000006228 supernatant Substances 0.000 claims description 38
- 238000007667 floating Methods 0.000 claims description 31
- 230000003068 static effect Effects 0.000 claims description 27
- 150000003839 salts Chemical class 0.000 claims description 19
- 230000018044 dehydration Effects 0.000 claims description 16
- 238000006297 dehydration reaction Methods 0.000 claims description 16
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 239000008399 tap water Substances 0.000 claims description 9
- 235000020679 tap water Nutrition 0.000 claims description 9
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 239000012267 brine Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000002000 scavenging effect Effects 0.000 claims description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 2
- 230000007928 solubilization Effects 0.000 claims description 2
- 238000005063 solubilization Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 26
- 239000002184 metal Substances 0.000 abstract description 26
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 239000004615 ingredient Substances 0.000 abstract description 4
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 3
- 239000002904 solvent Substances 0.000 abstract description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 16
- 239000012530 fluid Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 150000002739 metals Chemical class 0.000 description 6
- 238000010792 warming Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000002985 plastic film Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- -1 Yi Jitong Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000003636 chemical group Chemical group 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010793 electronic waste Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000013502 plastic waste Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
-
- 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
- B29B17/02—Separating plastics from other materials
-
- 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
- B29B17/02—Separating plastics from other materials
- B29B2017/0203—Separating plastics from plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0217—Mechanical separating techniques; devices therefor
- B29B2017/0224—Screens, sieves
-
- 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
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0217—Mechanical separating techniques; devices therefor
- B29B2017/0227—Vibratory or shaking tables
-
- 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
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0217—Mechanical separating techniques; devices therefor
- B29B2017/0237—Mechanical separating techniques; devices therefor using density difference
- B29B2017/0244—Mechanical separating techniques; devices therefor using density difference in liquids
-
- 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
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0262—Specific separating techniques using electrical caracteristics
- B29B2017/0265—Electrostatic separation
-
- 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
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0268—Separation of metals
- B29B2017/0272—Magnetic separation
-
- 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
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0286—Cleaning means used for separation
- B29B2017/0289—Washing the materials in liquids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The invention discloses a kind of mechanical intelligence method for fine finishing that various material is sorted from comprehensive waste plastics, the present invention sorts various material in comprehensive waste plastics by processing steps such as crushing, flotation, magnetic separation, cleaning, friction, electrostatic separation, color sorting separation, obtains the metal material, high-purity plastic material and high-purity homochromy plastics of high-purity.Method for separating provided by the invention effectively prevents similar specific gravity, the metal of density, plastics and mutually adulterates, it can be by metal material and plastic material category sorting at single metal, homochromy plastic collection, and purity is up to 99% or more, a variety of mixed plastic materials can disposably be divided into single material, 99% or more purity, effective guarantee sub-elects the plastics of high-purity, metal.While solution reagent ingredient used in the present invention is simple, safety and environmental protection, each solvent can also recycle after FLOTATION SEPARATION, realize environmental protection and energy saving.
Description
Technical field
The present invention relates to material classification technical fields, sort a variety of materials from comprehensive waste plastics more particularly, to one kind
The mechanical intelligence method for fine finishing and its separation system of matter.
Background technique
With Chinese society expanding economy, the learies of waste and old electric electric equipment products increase year by year, due to waste and old electric
Containing a large amount of renewable resources such as gold, silver, copper, plastics in electric equipment products, wherein plastics as content in electric appliance and electronic product compared with
Big a kind of raw material, generally use two ways regeneration, first is that adding modifying agent for after waste plastic sorting classification
It is plasticized, squeezed out etc. and regenerated plastics particle is made, so as to subsequent progress injection molding or other deep processing and utilizations；Another way
It is to be pyrolyzed waste plastics, obtains pyrolysis oil, fuel or industrial chemicals is used as after processing.But no matter using which kind of circulation benefit
With mode, the sorting for mixing waste plastic is key link that it is recycled.
Since plastics primary chemical group Chengdu is carbon and hydrogen, density is 0.9~1.7g/cm3, and distribution is relatively narrow, gently
Then range difference is smaller for component plastics.Even otherwise identical plastic is because additive, production process system are different, density can also exist
Certain difference, therefore various plastics are sorted by density contrast, the especially sorting to homologous series plastics, such as PS and ABS, PP
It is low with the plastics purity that the sorting of PE obtains.So-called " flotation " is basically a kind of gravity separation, is failed fundamentally
Solve the root problem of similar density separating plastic in waste plastics sorting.
Therefore, existing waste plastics sorting technology is not able to achieve efficient, economic, the innoxious sorting of electronic waste plastics.
The technique that traditional separating plastic uses mostly is air separation technique or artificial screening, and selection by winnowing utilizes plastics and other
Component is dished out compared to there is the characteristics of lower quality, by rubbish from height in the air, is acted in this course using wind-force by plastics
Class waste is shed to a distant place, to achieve the purpose that sorting.But because waste product composition is often sufficiently complex, wherein containing
Material similar in a large amount of and plastic density, such as paper, sawdust etc., and often plastics are mixed together, cause this
The simple selection by winnowing mode efficiency of separation is low.Artificial screening is before broken, the mode classification of manually picking, after being classified
It is recycled, although can preferably classify, everyone recognizes difference to plastics, and essence is caused to belong to a kind of difference
The plastics of shape are divided into several classes, and labour is caused to waste, everyone every workday is only capable of sorting 75kg, artificial separation cost
There is very big hidden danger to the health of sort operator, while also can be to environmental protection due to being needed when sorting using chemical solution in height
Significant negative impact is generated, expenses of environmental protection is big.
Summary of the invention
The technical problem to be solved by the present invention is to classify for waste plastics in the prior art, purity is low, impurity is more, and people
The deficiencies of power is at high cost provides a kind of mechanical intelligence method for fine finishing for sorting various material from comprehensive waste plastics, can sort
High-purity, homochromy waste plastics out.
Another technical problems to be solved of the present invention are to provide the mechanical intelligence that various material is sorted from comprehensive waste plastics
The system of finishing.
The mechanical intelligence method for fine finishing that various material is sorted from comprehensive waste plastics, specifically comprises the following steps:
S1. it is crushed: raw material is crushed, sieve sieving；
S2. step S1 resulting material flotation: is put into vibration separator, solubilization liquid, isolated floating clear water and supernatant water；Again will
Floating clear water and supernatant water filter respectively, stay filter residue；
S3. magnetic separation: filter residue obtained by step S2 is delivered to concentration equipment, clear water and supernatant water filter residue are floated in magnetic separation respectively, obtain gold
Belong to class material, light component plastics, middle component plastics and high component plastics；The vibration separator is vibration fluid shaking table separation
Machine.
S4. it cleans: the sorted material of magnetic separation in step S3 being cleaned respectively, is dehydrated to get cleaning plastics；
S5. it rubs: friction case will be delivered to respectively after cleaning plastics heating drying obtained by step S4, and rub and generate electrostatic, i.e.,
Obtain the plastics of static electrification；
S6. electrostatic separation: the plastics of static electrification obtained by step S5 are delivered to high-voltage electrostatic bin, are left by central rotating shaft whipping
Plastics will fall in the plastic collection in same distance areas to get high-purity plastic；
S7. color sorting separates: high-purity material obtained by step S6 is sent to color selector, and color sorting separation obtains high-purity homochromy plastics respectively.
The present invention first passes through flotation and sub-elects major class by multiple category sorting, then passes through magnetic separation for critical line of all categories
On the further Accurate classification of material, after isolating high purity metal material, then by frictional static to light component plastics carry out
Further sophisticated category.And then homochromy sorting is carried out by plastics of the color selector to high-purity.
Further, 12 ~ 24mm of mesh size described in step S1.
Preferably, 16 ~ 20mm of mesh size described in step S1；Suitable material particle size facilitates subsequent electrostatic separation,
Reduce error.
Further, solution is one of pure water, clear water (tap water), salt water, calcium chloride solution in step S2.Institute
Selecting solution is that ingredient is simple, pollution-free ingredient, recycled for multiple times is separated after flotation, and remain after FLOTATION SEPARATION molten
Liquid is few, is easy to rinse, and can effectively reduce the error of subsequent electrostatic separation, significant to the accuracy for improving plastics classification.
Further, the brine strength is 3 ~ 22%, and the calcium chloride solution concentration is 12 ~ 35%.
Further, magnetic separation metal material described in step S3 is one or more of iron, copper, aluminium, silver, tin.
Preferably, magnetic separation metal material described in step S3 is the high purity metal copper and metallic aluminium sub-elected.
Further, light component plastics described in step S3 refer to the plastics for floating on clear water, and middle component plastics, which refer to, to be sunken to
Clear water floats on the plastics of salt water or calcium chloride solution, and high component plastics refer to the plastics for being sunken to salt water or calcium chloride solution.
Further, in step S4 scavenging period be 10 ~ 30min, dehydration temperaturre be 30 ~ 60 DEG C, dewatering time be 0.5 ~
2h。
Further, drying temperature described in step S5 is 50 ~ 80 DEG C, 10 ~ 60min of fraction time.
Further, step S6 mesohigh electrostatic bin voltage is 500 ~ 1000V, and central axis revolving speed is 120 ~ 300r/min.
Further, the cleaning plastics in step S5 can be light component plastics；Gained high-purity plastic is pure in step S6
Degree is 99.0 ~ 99.9%.
Further, the color selector is double-colored or polychrome color selector.
Further, the mechanical intelligence Finish Machining System that various material is sorted from comprehensive waste plastics, it is suitable by sorting
Sequence successively includes pretreatment unit, magnetic separating unit, cleaning unit, frictional static separative unit, color sorting separative unit, the above unit
It is sequentially connected；
Further, the pretreatment unit includes pulverizer and vibration separator, and the pulverizer is provided with feed inlet and goes out
Material mouth, discharge port are provided with sieve；Discharge port is connected with vibration separator one end；
Further, the magnetic separating unit includes concentration equipment, separating opening and the concentration equipment one end phase of the vibration separator
Even；The concentration equipment other end connects cleaning unit；
Further, the cleaning unit includes cleaning device and dehydration device, and cleaning device one end is connected with concentration equipment, separately
One end connects dehydration device；
Further, the frictional static separative unit includes friction case and high voltage electrostatic device, the high voltage electrostatic device packet
The central rotating shaft in high-voltage electrostatic bin and high-voltage electrostatic bin is included, the input terminal for the case that rubs is connected with dehydration device, and friction case is defeated
Outlet is connected with high voltage electrostatic device；
Further, the color sorting separative unit includes color selector, and color selector one end is connected with high voltage electrostatic device discharge end, separately
One end comes out the separating plastic of different colours.
Further, the feeding hole of pulverizer is provided with unidirectional baffle, the pretreatment unit, magnetic separating unit, cleaning
Unit, frictional static separative unit, color sorting separative unit are in same workshop, and the workshop is additionally provided with waste plastics and enters
Mouthful, the garbage inlet connects feeding hole of pulverizer by conveyer belt one.
Further, the high voltage electrostatic device includes that the center in high-voltage electrostatic bin and high-voltage electrostatic bin turns
Material is delivered to color selector by conveyer belt two and carries out color sorting by axis, high voltage electrostatic device discharge end.
The present invention, by carrying out coarse crushing, separation to waste plastics, is then adopted in magnetic separating unit using integrating waste plastics as raw material
Preliminary classification is carried out to comprehensive waste plastics with concentration equipment, obtains metal group material, light component plastics, middle component plastics and high group
Part plastics, then sorted material is successively passed through into cleaning device, dehydration device and friction case processing, finally by high-pressure electrostatic
The further centering of waste plastics is left by central rotating shaft whipping behind storehouse, component plastics is asked to carry out categorised collection to get sophisticated category
High-purity plastic.High-purity plastic material is subjected to color sorting separation, it is also separable to obtain homochromy plastics.
The invention has the following advantages:
Waste and old electric plastics are gradually carried out fining classification by flotation, magnetic separation, frictional static, color sorting separation by the present invention, point
Level, multistage progressive classification effectively prevents similar specific gravity, the metal of similar density, plastics and mutually adulterates, can be by metal
Material is further subdivided into homochromy plastics at single metal, plastic collection, and by color by material and plastic material category sorting,
And purity, up to 99% or more, a variety of mixed plastic materials can disposably be divided into single material, 99% or more purity, effective guarantee sorting
The plastics, metal of high-purity out, at the same further homochromy plastics can also be separated, classifying makes that waste plastics is made full use of to recycle
It uses, reduces artificial screening, so that waste plastics is obtained Maxi-mize city value by color separation in the plastics for mixing Color and utilize, make
Technics of reclaim of plastic waste is more accurate, is conducive to waste plastic and prepares high-end plastic products.
The present invention sub-elects a variety of major class by multiple flotation, by flotation reagent, then will be of all categories critical by magnetic separation
The further Accurate classification of material on line improves purity.
While solution reagent ingredient used in the present invention is simple, safety and environmental protection, each solvent can also recycle circulation after FLOTATION SEPARATION
It utilizes, realizes environmental protection and energy saving.It is easy to operate easily-controllable, and single treatment amount is big, and human cost is greatly saved, and low energy consumption, produces
Amount is big, and product is made to increase 1200 yuan/ton of added value or more newly, can be widely applied to large scale industry production.
Detailed description of the invention
Fig. 1 is method for separating flow diagram of the present invention.
Fig. 2 is separation system equipment schematic diagram of the present invention.
Wherein, 1 is workshop, and 101 be waste plastics entrance, and 102 be conveyer belt, and 2 be pulverizer, and 201 be sieve, and 3 be vibration
Seperator, 301 be conveyer belt one, and 4 be concentration equipment, and 401 be conveyer belt two, and 5 be cleaning device, and 501 be conveyer belt three, and 6 are
Dehydration device, 601 conveyer belts four, 7 for friction case, 701 be conveyer belt five, and 8 be high voltage electrostatic device, and 801 be conveyer belt six, 9
For color selector.
Specific embodiment
It is explained further and illustrates combined with specific embodiments below, but specific embodiment does not have any form to the present invention
Restriction.Unless otherwise specified, method and apparatus used in embodiment be ability conventional method and equipment, it is raw materials used to be
Conventional commercial raw material.
A kind of mechanical intelligence method for fine finishing that various material is sorted from comprehensive waste plastics of embodiment 1, specifically include as
Lower step:
S1. be crushed: by waste electric appliance plastic crushing at sheet material, sieve crosses 18mm；
S2. flotation: putting into vibration fluid shaking table seperator for step S1 resulting material, add tap water, isolated floating clear water and
Supernatant water；Floating clear water and supernatant water are filtered respectively again, stay filter residue, filter residue in supernatant water is subjected to flotation point with 15% salt water
From obtaining floating clear water material and supernatant water material；
S3. magnetic separation: filter residue obtained by step S2, material are delivered to concentration equipment, clear water and supernatant water filter residue, object are floated in magnetic separation respectively
Material obtains metal group material, the light component plastics for floating on clear water, is sunken to clear water and floats on the middle component plastics of 15% salt water and be sunken to
The high component plastics of 15% salt water；Wherein, copper, aluminium, silver-colored three kinds of metals have been sub-elected in metal group material respectively；Plastic sorting
High-purity PVC is gone out；
S4. it cleans: the sorted material of magnetic separation in step S3 being subjected to cleaning 10min respectively, is dehydrated 0.5h under the conditions of 30 DEG C,
Up to cleaning plastics；
S5. it rubs: being delivered to friction respectively after the cleaning plastics of light, middle component plastics obtained by step S4 are warming up to 50 DEG C of drying
Case, and the 10min that rubs generates electrostatic to get the plastics of static electrification；
S6. electrostatic separation: the plastics of static electrification obtained by step S5 are delivered to the high-voltage electrostatic bin that voltage is 500v, pass through revolving speed
Plastics are left for the central rotating shaft whipping of 120r/min, the plastic collection in same distance areas will be fallen in get high-purity PP
Plastics and ABS, PS plastic,
S7. color sorting separates: high-purity PP plastics obtained by step S6 and ABS, PS plastic are sent to polychrome color selector, respectively are isolated by black
High-purity homochromy plastics of color, white and secondary colour.Material purity is as shown in table 1.
A kind of mechanical intelligence method for fine finishing that various material is sorted from comprehensive waste plastics of embodiment 2, specifically include as
Lower step:
S1. be crushed: by waste electric appliance plastic crushing at sheet material, sieve crosses 20mm；
S2. flotation: putting into vibration fluid shaking table seperator to step S1 resulting material, add tap water, isolated floating clear water and
Supernatant water；Floating clear water and supernatant water are filtered respectively again, stay filter residue, filter residue in supernatant water is carried out with 35% calcium chloride solution
FLOTATION SEPARATION obtains floating clear water material and supernatant water material；
S3. magnetic separation: filter residue obtained by step S2, material are delivered to concentration equipment, clear water and supernatant water filter residue, object are floated in magnetic separation respectively
Material, obtains metal group material, the light component plastics for floating on clear water, is sunken to middle group that clear water floats on the calcium chloride solution of 35% concentration
The high component plastics for dividing plastics and being sunken in the calcium chloride solution of 35% concentration；Wherein, it is sub-elected respectively in metal group material
Copper, aluminium, silver-colored three kinds of metals；Plastic has sub-elected high-purity PVC；
S4. it cleans: the sorted material of magnetic separation in step S3 being subjected to cleaning 15min respectively, is dehydrated 1h under the conditions of 40 DEG C, i.e.,
Plastics must be cleaned；
S5. it rubs: being delivered to friction respectively after the cleaning plastics of light, middle component plastics obtained by step S4 are warming up to 60 DEG C of drying
Case, and the 15min that rubs generates electrostatic to get the plastics of static electrification；
S6. electrostatic separation: the plastics of static electrification obtained by step S5 are delivered to the high-voltage electrostatic bin that voltage is 800v, pass through revolving speed
Plastics are left for the central rotating shaft whipping of 220r/min, the plastic collection in same distance areas will be fallen in get high-purity PP
Plastics and ABS, PS plastic；
S7. color sorting separates: high-purity PP plastics obtained by step S6 and ABS, PS plastic are sent to polychrome color selector, respectively are isolated by black
High-purity homochromy plastics of color, white and secondary colour.Material purity is as shown in table 1.
A kind of mechanical intelligence method for fine finishing that various material is sorted from comprehensive waste plastics of embodiment 3, specifically include as
Lower step:
S1. be crushed: by waste electric appliance plastic crushing at sheet material, sieve crosses 20mm；
S2. flotation: putting into vibration fluid shaking table seperator for step S1 resulting material, add tap water, isolated floating clear water and
Supernatant water；Floating clear water and supernatant water are filtered respectively again, stay filter residue, filter residue in supernatant water is subjected to flotation point with 20% salt water
From obtaining floating clear water material and supernatant water material；
S3. magnetic separation: filter residue obtained by step S2, material are delivered to concentration equipment, clear water and supernatant water filter residue, object are floated in magnetic separation respectively
Material obtains metal group material, the light component plastics for floating on clear water, is sunken to clear water and floats on the middle component plastics of 20% salt water and be sunken to
The high component plastics of 20% salt water；Wherein, copper, aluminium, silver-colored three kinds of metals have been sub-elected in metal group material respectively；Plastic sorting
High-purity PVC is gone out；
S4. it cleans: the sorted material of magnetic separation in step S3 being subjected to cleaning 15min respectively, is dehydrated 1.5h under the conditions of 40 DEG C,
Up to cleaning plastics；
S5. it rubs: being delivered to friction respectively after the cleaning plastics of light, middle component plastics obtained by step S4 are warming up to 60 DEG C of drying
Case, and the 30min that rubs generates electrostatic to get the plastics of static electrification；
S6. electrostatic separation: the plastics of static electrification obtained by step S5 are delivered to the high-voltage electrostatic bin that voltage is 800v, pass through revolving speed
Plastics are left for the central rotating shaft whipping of 240r/min, the plastic collection in same distance areas will be fallen in get high-purity PP
Plastics and ABS, PS plastic；
S7. color sorting separates: high-purity PP plastics obtained by step S6 and ABS, PS plastic are sent to polychrome color selector, respectively are isolated by black
High-purity homochromy plastics of color, white and secondary colour.Material purity is as shown in table 1.
A kind of mechanical intelligence method for fine finishing that various material is sorted from comprehensive waste plastics of embodiment 4, specifically include as
Lower step:
S1. be crushed: by waste electric appliance plastic crushing at sheet material, sieve crosses 24mm；
S2. flotation: putting into vibration fluid shaking table seperator for step S1 resulting material, add tap water, isolated floating clear water and
Supernatant water；Floating clear water and supernatant water are filtered respectively again, stay filter residue, filter residue in supernatant water is subjected to flotation point with 22% salt water
From obtaining floating clear water material and supernatant water material；
S3. magnetic separation: filter residue obtained by step S2, material are delivered to concentration equipment, clear water and supernatant water filter residue, object are floated in magnetic separation respectively
Material obtains metal group material, the light component plastics for floating on clear water, is sunken to clear water and floats on the middle component plastics of 22% salt water and be sunken to
The high component plastics of 22% salt water；Wherein, copper, aluminium, silver-colored three kinds of metals have been sub-elected in metal group material respectively；Plastic sorting
High-purity PVC is gone out；
S4. it cleans: the sorted material of magnetic separation in step S3 being subjected to cleaning 30min respectively, is dehydrated 2h under the conditions of 60 DEG C, i.e.,
Plastics must be cleaned；
S5. it rubs: being delivered to friction respectively after the cleaning plastics of light, middle component plastics obtained by step S4 are warming up to 80 DEG C of drying
Case, and the 60min that rubs generates electrostatic to get the plastics of static electrification；
S6. electrostatic separation: the plastics of static electrification obtained by step S5 are delivered to the high-voltage electrostatic bin that voltage is 1000v, by turning
Speed is that the central rotating shaft whipping of 300r/min leaves plastics, will fall in the plastic collection in same distance areas to get high-purity
PP plastics and ABS, PS plastic；
S7. color sorting separates: high-purity PP plastics obtained by step S6 and ABS, PS plastic are sent to polychrome color selector, respectively are isolated by black
High-purity homochromy plastics of color, white and secondary colour.All kinds of high-purity material purity are as shown in table 1.
Embodiment 5
Pretreatment unit as shown in Figure 2 includes pulverizer 2 and vibration separator 3, and pulverizer 2 is provided with inlet port and outlet port,
Discharge port is provided with sieve 201；Discharge port is connected with entrance one end of vibration separator 3；Magnetic separating unit includes concentration equipment 4,
The separating opening of the vibration separator 3 is connected with 4 entrance one end of concentration equipment by conveyer belt 1；Concentration equipment 4 it is another
Material outlet is held to connect cleaning unit；Cleaning unit includes cleaning device 5 and dehydration device 6, and cleaning device is located at concentration equipment
Lower section, one end are connected by conveyer belt 2 401 with 4 material outlet of concentration equipment, and 5 exit end of cleaning device passes through conveyer belt three
The outlet of 501 connection dehydration devices 6, dehydration device connects frictional static separative unit, frictional static point by conveyer belt 4 601
It include friction case 7 and high voltage electrostatic device 8 from unit, input terminal and the dehydration device 6 for the case that rubs pass through 4 601 phase of conveyer belt
Even, friction case output end is connected with high voltage electrostatic device 8 by conveyer belt 5 701；Color sorting separative unit includes color selector, color sorting
9 feeding inlet one end of machine and 8 discharge end of high voltage electrostatic device are connected by conveyer belt 6 801, and other end discharge port is by different colours
Plastic sheet sort out.
Pretreatment unit, magnetic separating unit, cleaning unit, frictional static separative unit, color sorting separative unit are in same
In workshop 1, and workshop is provided with waste plastics entrance 101.Waste plastics enters workshop 1, communicated band 102 from waste plastics entrance 101
Material is sent to the feed inlet of pulverizer 2, smashed material falls into vibration separator 3 from discharge port after the sieving of sieve 201,
Material after Separation by vibration is transported to 4 entrance of concentration equipment by conveyer belt 1 from separating opening, and the material after magnetic separation is divided into metal
Class material, Plastic sub-elected high-purity PVC and in, the plastics of light component are respectively from the communicated band of concentration equipment material outlet
2 401 are sent to the cleaning of cleaning device 5, and the cleaned outlet of device 5 of cleaned clean plastic sheet passes through conveyer belt 3 501
Dehydration device 6 is delivered to be dehydrated；The material outlet of dehydration device 6 by conveyer belt 4 601 will be dewatered in, light component
Plastics be sent to friction 7 material inlet of case, the communicated band five of plastics after the friction of rubbed case is sent to high voltage electrostatic device 8,
High-purity PP plastics and ABS, PS plastic are obtained after electrostatic separation, then high-purity PP plastics and ABS, PS plastic are passed through into biography respectively
It send band 6 801 to be delivered to color selector 9, high-purity PP plastics and ABS, PS plastic is respectively divided into black, white, colour mixture plastic sheet
It sorts out.
A kind of mechanical intelligence method for fine finishing that various material is sorted from comprehensive waste plastics of comparative example 1, specifically include as
Lower step:
S1. be crushed: by waste electric appliance plastic crushing at sheet material, sieve crosses 20mm；
S2. flotation: putting into vibration fluid shaking table seperator for step S1 resulting material, add tap water, isolated floating clear water and
Supernatant water；Floating clear water and supernatant water are filtered respectively again, stay filter residue；
S3. magnetic separation: filter residue obtained by step S2 is delivered to concentration equipment, clear water and supernatant water filter residue are floated in magnetic separation respectively, obtain gold
Category class material, is suspended in the middle component plastics of clear water and is sunken to the high component plastics of clear water the light component plastics for floating on clear water；Its
In, copper, aluminium, silver-colored three kinds of metals have been sub-elected in metal group material respectively；Plastic has sub-elected high-purity PVC；
S4. it cleans: the sorted material of magnetic separation in step S3 being subjected to cleaning 15min respectively, is dehydrated 1.5h under the conditions of 40 DEG C,
Up to cleaning plastics；
S5. it rubs: being delivered to friction case after the cleaning plastics of light, middle component plastics obtained by step S4 are warming up to 60 DEG C of drying,
And the 30min that rubs generates electrostatic to get the plastics of static electrification；
S6. electrostatic separation: the plastics of static electrification obtained by step S5 are delivered to the high-voltage electrostatic bin that voltage is 800v, pass through revolving speed
Plastics are left for the central rotating shaft whipping of 240r/min, the material fallen in same distance areas is collected to get high-purity PP
Plastics and ABS, PS plastic；
S7. color sorting separates: high-purity material obtained by step S6 is sent to polychrome color selector, respectively is isolated by black, white and mixing
High-purity homochromy plastics of color.All kinds of high-purity material material purities are as shown in table 1.
A kind of mechanical intelligence method for fine finishing that various material is sorted from comprehensive waste plastics of comparative example 2, specifically include as
Lower step:
S1. be crushed: by waste electric appliance plastic crushing at sheet material, sieve crosses 20mm；
S2. flotation: putting into vibration fluid shaking table seperator for step S1 resulting material, add tap water, isolated floating clear water and
Supernatant water, then by supernatant water and pay off water and filter respectively, filter residue is stayed, filter residue in supernatant water is subjected to flotation with 20% salt water, is obtained
To floating clear water material and supernatant water material；
S3. it cleans: the sorted material of magnetic separation in step S3 being subjected to cleaning 15min respectively, is dehydrated 1.5h under the conditions of 40 DEG C,
Up to cleaning plastics；
S4. it rubs: being delivered to friction case respectively after cleaning plastics obtained by step S4 are warming up to 60 DEG C of drying, and the 30min that rubs
Electrostatic is generated to get the plastics of static electrification；
S5. electrostatic separation: the plastics of static electrification obtained by step S5 are delivered to the high-voltage electrostatic bin that voltage is 800v, pass through revolving speed
Plastics are left for the central rotating shaft whipping of 240r/min, the material fallen in same distance areas is collected to get high-purity
PVC, PP, ABS and PS plastic, Yi Jitong, aluminium, silver metal material；
S6. color sorting separates: high-purity material obtained by step S6 is sent to polychrome color selector, respectively is isolated by black, white and mixing
High-purity homochromy plastics of color, purity are as shown in table 1.
A kind of mechanical intelligence method for fine finishing that various material is sorted from comprehensive waste plastics of comparative example 3, specifically include as
Lower step:
S1. be crushed: by waste electric appliance plastic crushing at sheet material, sieve crosses 20mm；
S2. flotation: putting into vibration fluid shaking table seperator for step S1 resulting material, add tap water, isolated floating clear water and
Supernatant water；Floating clear water and supernatant water are filtered respectively again, stay filter residue, filter residue in supernatant water is subjected to flotation with 20% salt water, is obtained
To floating clear water material and supernatant water material；
S3. magnetic separation: filter residue obtained by step S2, material are delivered to concentration equipment, clear water and supernatant water filter residue, object are floated in magnetic separation respectively
Material obtains metal group material, the light component plastics for floating on clear water, is sunken to clear water and floats on the middle component plastics of 20% salt water and be sunken to
The high component plastics of 20% salt water；Magnetic separation power is adjusted again, and light, middle and high component plastics are carried out to sorting classification respectively to get high-purity
Classified material crude product；Wherein, copper, aluminium, silver-colored three kinds of metals have been sub-elected in metal group material respectively；Plastic has sub-elected high-purity
Spend PVC, PP, ABS and PS plastic.
S4. it cleans: the sorted material of magnetic separation in step S3 being subjected to cleaning 15min respectively, is dehydrated under the conditions of 40 DEG C
For 1.5h to get high-purity material, all kinds of high-purity material purity are as shown in table 1.
Table 1
As shown in Table 1, the present invention passes through multiple flotation, and combines the classified material purity obtained after magnetic separation, frictional static sorting
It is apparently higher than comparative example, it is obvious especially for the lesser PP plastics of density, ABS plastic and PS plastic better effect.
Detailed process equipment and process flow of the invention that the present invention is explained by the above embodiments, but the present invention is not
It is confined to above-mentioned detailed process equipment and process flow, that is, does not mean that the present invention must rely on above-mentioned detailed process equipment and work
Skill process could be implemented.It should be clear to those skilled in the art, any improvement in the present invention, to product of the present invention
The equivalence replacement of each raw material and addition, the selection of concrete mode of auxiliary element etc., all fall within protection scope of the present invention and public affairs
Within the scope of opening.
Claims (10)
1. a kind of mechanical intelligence method for fine finishing for sorting various material from comprehensive waste plastics, which is characterized in that including as follows
Step:
S1. it is crushed: raw material is crushed, sieve sieving；
S2. step S1 resulting material flotation: is put into vibration separator, solubilization liquid, isolated floating clear water and supernatant water；Again will
Floating clear water and supernatant water filter respectively, stay filter residue；
S3. magnetic separation: filter residue obtained by step S2 is delivered to concentration equipment, clear water and supernatant water filter residue are floated in magnetic separation respectively, obtain gold
Belong to class material, light component plastics, middle component plastics and high component plastics；
S4. it cleans: the sorted material of magnetic separation in step S3 being cleaned respectively, is dehydrated to get cleaning plastics；
S5. it rubs: friction case will be delivered to respectively after cleaning plastics heating drying obtained by step S4, and rub and generate electrostatic, i.e.,
Obtain the plastics of static electrification；
S6. electrostatic separation: the plastics of static electrification obtained by step S5 are delivered to high-voltage electrostatic bin, are left by central rotating shaft whipping
Plastics will fall in the plastic collection in same distance areas to get high-purity plastic；
S7. color sorting separates: high-purity material obtained by step S6 is sent to color selector, and color sorting separation obtains high-purity homochromy plastics respectively.
2. the mechanical intelligence method for fine finishing according to claim 1 for sorting various material from comprehensive waste plastics, special
Sign is, 12 ~ 24mm of mesh size described in step S1.
3. the mechanical intelligence method for fine finishing according to claim 1 for sorting various material from comprehensive waste plastics, special
Sign is that solution is one of pure water, tap water, salt water, calcium chloride solution in step S2.
4. the mechanical intelligence method for fine finishing according to claim 3 for sorting various material from comprehensive waste plastics, special
Sign is that the brine strength is 3 ~ 22%, and the calcium chloride solution concentration is 12 ~ 35%.
5. the mechanical intelligence method for fine finishing according to claim 1 for sorting various material from comprehensive waste plastics, special
Sign is that magnetic separation metal material described in step S3 can sub-elect metallic copper and metallic aluminium；The modeling of light component described in step S3
Material refers to the plastics for floating on clear water, and middle component plastics, which refer to, is sunken to the plastics that clear water floats on salt water or calcium chloride solution, high component
Plastics refer to the plastics for being sunken to salt water or calcium chloride solution.
6. the mechanical intelligence method for fine finishing according to claim 1 for sorting various material from comprehensive waste plastics, special
Sign is that scavenging period is 10 ~ 30min in step S4, and dehydration temperaturre is 30 ~ 60 DEG C, and dewatering time is 0.5 ~ 2h.
7. the mechanical intelligence method for fine finishing according to claim 1 for sorting various material from comprehensive waste plastics, special
Sign is that drying temperature described in step S5 is 50 ~ 80 DEG C, 10 ~ 60min of fraction time.
8. the mechanical intelligence method for fine finishing according to claim 1 for sorting various material from comprehensive waste plastics, special
Sign is that step S6 mesohigh electrostatic bin voltage is 500 ~ 1000V, and central axis revolving speed is 120 ~ 300r/min；Institute in step S6
The purity for obtaining high-purity plastic is 99.0 ~ 99.9%.
9. the mechanical intelligence method for fine finishing of various material, feature are sorted from comprehensive waste plastics according to claim 1
It is, the color selector is double-colored or polychrome color selector.
10. the mechanical intelligence for sorting various material described in any one from comprehensive waste plastics according to claim 1 ~ 9 finishes system
System, which is characterized in that by sorting sequence include pretreatment unit, magnetic separating unit, cleaning unit, frictional static separative unit, color
Separative unit is selected, the above unit is sequentially connected；
The pretreatment unit includes pulverizer and vibration separator, and the pulverizer is provided with inlet port and outlet port, discharging
Mouth is provided with sieve；Discharge port is connected with vibration separator one end；
The magnetic separating unit includes concentration equipment, and the separating opening of the vibration separator is connected with concentration equipment one end；Magnetic separation dress
Set other end connection cleaning unit；
The cleaning unit includes cleaning device and dehydration device, and cleaning device one end is connected with concentration equipment, other end connection
Dehydration device；
The frictional static separative unit includes friction case and high voltage electrostatic device, the high voltage electrostatic device include high-pressure electrostatic
The input terminal of central rotating shaft in storehouse and high-voltage electrostatic bin, the case that rubs is connected with dehydration device, and rub case output end and high pressure
Electrostatic equipment is connected；
The color sorting separative unit includes color selector, and color selector one end is connected with high voltage electrostatic device discharge end, and the other end will not
Separating plastic with color comes out.
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