CN103085193A - Regeneration method of anhydrous waste plastic - Google Patents
Regeneration method of anhydrous waste plastic Download PDFInfo
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- CN103085193A CN103085193A CN2013100343473A CN201310034347A CN103085193A CN 103085193 A CN103085193 A CN 103085193A CN 2013100343473 A CN2013100343473 A CN 2013100343473A CN 201310034347 A CN201310034347 A CN 201310034347A CN 103085193 A CN103085193 A CN 103085193A
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- removal
- impurities
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- pelletizing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a regeneration method of anhydrous waste plastic without washing. The method comprises the steps of crushing, purifying, dust absorbing, separating, pelletizing, sized dicing and packing, and specifically comprises the steps as follows: (1) crushing and purifying: crushing a polyethylene or polypropylene material in a crushing machine, and sequentially performing the steps of purifying by gravity, purifying by magnetic force, purifying by cutting, and falling impurity by inertia; (2) dust absorbing and separating: separating the crushed and purified material in three stages through a dust collector, a cyclone separator and a separator; and (3) pelletizing, sized dicing and packing, wherein the pelletizing comprises three forms: heating by a first pelletizer, reheating and filtering residue by a second pelletizer, and pelletizing by a third pelletizer, and qualified plastic wire produced in the third pelletizer is weighed and packed after being sized dicing. The regeneration method disclosed by the invention has the advantages of no need of washing, less pollution, low labor intensity, short process, simple device, low cost, and high recovery rate.
Description
Technical field
The present invention relates to a kind of plastic reclaimed chemical manufacturing technology field, particularly relate to a kind of anhydrous dry type waste plastic regeneration method.
Background technology
Come out so far from plastic product, be widely applied to social industry-by-industry, promoted social development and progress, bring very big facility for people's production, life, social use amount is increasing.But various waste or used plastics also increase impact and the harm of environment thereupon, and the regeneration of waste or used plastics has developed into the pith of recycle business.
Washing method processing waste or used plastics in present prior art with water, the method is backward in technique always, with artificial many, labour intensity is large, production efficiency is low, and energy consumption is high, work under bad environment, useless creeping loses many, particularly water consumption is large, constantly rinses, and causes large amount of sewage, mud being mingled with and moulds the silk discharging, severe contamination rivers and underground water source pollute surrounding environment and a large amount of farmland.Severe exacerbation our living environment, also the misfortune and the descendants.For example application number is: the application for a patent for invention of " 201010507426.8 ", it discloses a kind of recycling process method of waste or used plastics, concrete steps comprise, at first with the waste polyethylene plastic crushing, clean by washing barrel, then then secondary rinsing oven dry in the pond by carrying out plastics processing with various former raw material, activator, compatilizer etc., finally cuts into various particular plastics.
Summary of the invention
Purpose of the present invention is exactly that a kind of anhydrous useless renovation process of moulding that need not to wash is provided in order to solve the problems of the technologies described above.
The present invention solves the problems of the technologies described above the technical scheme that adopts to be: a kind of anhydrous useless renovation process of moulding, and the method need not washing, and the method comprises the step of fragmentation, removal of impurities, dust suction, separation, granulation, pelletizing, packing, is specially:
(1) broken, removal of impurities;
Polyethylene or polypropylene material are carried out fragmentation in disintegrating machine, the material after broken is successively through gravity removal of impurities, magnetic force removal of impurities, sawing sheet removal of impurities and the inertia assorted step that falls;
(2) dust suction, separation;
Dust is separated for the first time with material by dust catcher through broken, removal of impurities material afterwards, the mass transport of after separating is to feed bin for the first time; Separated for the second time through cyclone separator by the dust of dust catcher sucking-off and partial material, for the second time the material of after separating through separator with the satisfactory feed separation of size to collection box, and flow to feed bin in order to granulation;
(3) granulation, pelletizing, packing;
Described granulation comprises three grades of granulation modes, is respectively at the first granulator heating, heats and filter residue and production granulation in the 3rd comminutor at the second comminutor again, and the qualified silk of moulding that production is produced from the 3rd comminutor is through the packing of weighing after a pelletizing.
Further, in fragmentation, removal step, carry out the gravity removal of impurities in the blanking processor that is arranged on the disintegrating machine bottom, carry out the magnetic force removal of impurities by after the blanking processor by the magnetic force trash separator, carry out the sawing sheet removal of impurities in cutting machine, enter at last inertia through the material of three removal of impurities and fall to mixing that to realize that inertia falls assorted for device.
Further, in dust suction, separating step, the satisfactory material of described size is greater than the clean broken silk of moulding of 100 purposes.
The present invention compared with prior art has the following advantages:
(1) need not washing, a piece of moulding of granulation condition can be processed totally, be met to dry process production, and without sewage discharge, meets environmental requirement, and as usual can produce at northern severe winter, realizes all-weather production;
(2) workshop does not have the flying dust pollution, discharges multistage filtering separation of air, discharges through dust arrester, and air is pollution-free, and toward the conveyer belt feeding, prosthetic work has substantially alleviated labour intensity, has reduced the amount of labour used, has solved on-the-spot pollution except artificial;
(3) flow process is short, and equipment is simple, and running is reliable, and cost is low, and system's unit-hour output is high, and siccative is broken, siccative granulation power consumption low (comparing with former WATER-WASHING METHOD), and production efficiency is high, and unit cost reduces;
(4) rate of recovery of the present invention is high, and Plastic is substantially lossless, also therefore non-pollutant discharge.The grit of discharging respectively when producing with bag of cement and cement flour all can be distinguished reuse again or back to nature.
Description of drawings
Fig. 1 is the anhydrous useless step schematic diagram of moulding renovation process of the present invention.
In figure, each component names is as follows:
The 1-conveyer, 2-disintegrating machine, 3-blanking processor, 4-magnetic force trash separator; 5-filter, 6-cutting machine, the 7-inertia assorted device that falls, the 8-dust catcher; the 9-feeder, 10-cyclone separator, 11-separator, 12-main air blower; the 13-collection box, 14-feed bin, 15-Material sucking machine; the 16-feeding machine, 17-circulating fan, 18-the first comminutor; 19-the second comminutor, 20-the 3rd comminutor, 21-pelleter
The specific embodiment
Describe the present invention below in conjunction with accompanying drawing.
The anhydrous useless renovation process of moulding is exactly to replace WATER-WASHING METHOD with disposable technique to give up that moulding regenerates is processed into qualified particle, this production method is moulded with pp material such as various waste and old plastic woven bags, cement regeneration such as compiling packaging bag with disposable technique and is processed into plastic grain, perhaps with the polyethylene raw material for example various waste and old plastic films regenerate to be processed into and mould grain.
Next introduce anhydrous giving up of the present invention by specific embodiment and mould renovation process, it mainly comprises fragmentation, removal of impurities, dust suction, separation, granulation, pelletizing, packaging and other steps, and details are as follows for concrete steps:
One, broken, removal of impurities
The raw material fragmentation is carried out in disintegrating machine, and broken raw material afterwards falls assorted successively through gravity removal of impurities, magnetic force removal of impurities, sawing sheet removal of impurities and inertia, the step of then carrying out dust suction, separation.Concrete steps are as follows:
at first transport the waste or used plastics raw material to workshop from storehouse, then feeding is to conveyer 1, by operation on conveyer belt and through entering disintegrating machine 2 after the magnetic inspection, enter the blanking processor 3 that is arranged on disintegrating machine 2 bottoms and carry out the gravity removal of impurities after fragmentation, in blanking processor 3 by regulating shaft to the blowing speed, overcome the interference of revolution wind in the blanking processor, make the lighter useless piece of moulding to axial operation, and not sedimentation is blocked, the while stone, cement block, grit, falling to mixing and mouthful spill from the bottom of blanking processor after the weight foreign material sedimentations such as metal object, the mouth that falls to mixing has gradient, thereby heavy foreign material can utilize gradient to skid off voluntarily, realize the removal of impurities of first gravity.
Material after fragmentation enters magnetic force trash separator 4 by blanking processor 3, and the useless much the same metal sundries of piece weight of moulding of not removing in the blanking processor under the effect of magnetic force, falls from the bottom sedimentation of magnetic force trash separator 4, is adsorbed and clears up and collect.Then, material will be clean less than the impurity filter of 5mm by filter screen through filter 5, realize the second removal of impurities.
Material through the second removal of impurities enters cutting machine 6, under the comprehensive function of the quick machinery repeatedly strike of passing through cutting machine and wind-force, useless attachment on piece, sand and dust, the earth etc. moulded come off, and skid off voluntarily from the inclined-plane of the dust fall plate of the bottom of cutting machine, realize removal of impurities for the third time.Enter the inertia device 7 that falls to mixing through the material of three removal of impurities, remove remaining impurity.
Two, dust suction, separation
Dust is separated for the first time with material by dust catcher through broken, removal of impurities material afterwards, the mass transport of after separating is to feed bin for the first time; Separated for the second time through cyclone separator by the dust of dust catcher sucking-off and partial material, for the second time the material of after separating through separator with the satisfactory feed separation of size to collection box, and flow to feed bin in order to granulation.Concrete steps are as follows:
Material after falling to mixing through the 4th removal of impurities-inertia enters dust catcher 8, and dust is separated for the first time with material, separates clean material and is delivered to feed bin 14 by feeder 9, in order to granulation.
Enter cyclone separator 10 and separate for the second time through the dust of dust catcher 8 sucking-offs and the broken silk of moulding of part, dust and trace be tiny to be moulded silk and falls into from cyclone separator and connect the dirt bag.And brokenly mould silk and micronic dust enters separator 11 from what cyclone separator 10 was separated, will all reclaim and enter collection box 13 greater than the clean broken silk of moulding of 100 purposes through separating for the third time, by the conveying device automatic transport to feed bin in order to granulation.
, automatically enter and connect the dirt bag after dust arrester filters through the isolated atomic dirt of separator 11 (superfine dust).Filtering clean air discharges outside the workshop by main air blower 12 through meeting environmental requirement after testing.
Three, granulation, pelletizing, packing
Granulation comprises three grades of granulation modes, is respectively at the first granulator heating, heats and filter residue and production granulation in the 3rd comminutor at the second comminutor again, and the qualified silk of moulding that production is produced from the 3rd comminutor is through the packing of weighing after a pelletizing.Specific as follows:
The clean plastic wire piece that meets the granulation condition in feed bin 14 is sent into feeding machine 16 through Material sucking machine 15; feeding machine 16 is with the speed of coupling and the mode of pressurizeing by machinery; siccative is moulded piece feeding first comminutor 18 uniformly; feeding machine 16 is provided with feeding machine circulating fan 17, can circulation return air to feed bin 14.Be admitted to the second grain-making machine 19 through the piece of moulding after the first comminutor 18 heating; in the second comminutor through entering the 3rd comminutor 20 after heating filter residue again; produce from the 3rd comminutor 20 silk of moulding of producing and enter cooling bath, finally by the packing of weighing after 21 pelletizings of mistake pelleter.
The present invention need not washing, and a piece of moulding of granulation condition can be processed totally, be met to dry process production, and without sewage discharge, meets environmental requirement.Production system of the present invention is negative-pressure sealed operation.Workshop does not have flying dust and pollutes, and discharges multistage filtering separation of air, discharges through dust arrester, and air is pollution-free.The present invention is because need not washing, and northern severe winter can be produced as usual, realizes all-weather production.Each operation of the whole production process of the present invention is the automation closed operation, except manually toward the conveyer belt feeding, basic prosthetic work, alleviated labour intensity, reduced the amount of labour used, solve on-the-spot pollution, improved traditional useless working environment and industry image of moulding the regeneration industry, promoted industry self-confidence and self-esteem.Flow process of the present invention is short, and equipment is simple, and running is reliable, and cost is low, and system's unit-hour output is high, and siccative is broken, siccative granulation power consumption low (comparing with former WATER-WASHING METHOD), and production efficiency is high, and unit cost reduces.The rate of recovery of the present invention is high, and Plastic is substantially lossless, also therefore non-pollutant discharge.The grit of discharging respectively when producing with bag of cement and cement flour all can be distinguished reuse again or back to nature.
The present invention has replaced the water-washing method of polluting weight, complex process by the broken apart mode of physics, can utilize existing plant equipment to carry out processing, and the equipment investment fund is lower, can extensively be adopted by medium-sized and small enterprises.
Technique of the present invention is mature on the whole, through repetition test, test, test manufacture, again improve after, the high-volume actual production of model machine production system, product quality reaches purpose of design (surpassing the washing material), production capacity can reach 800kg in one hour, and production capacity has met or exceeded theoretical yield.
Although above-mentionedly by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (3)
1. anhydrous giving up moulded renovation process, and the method need not washing, it is characterized in that, the method comprises the step of fragmentation, removal of impurities, dust suction, separation, granulation, pelletizing, packing, is specially:
(1) broken, removal of impurities;
Polyethylene or polypropylene material are carried out fragmentation in disintegrating machine, the material after broken is successively through gravity removal of impurities, magnetic force removal of impurities, sawing sheet removal of impurities and the inertia assorted step that falls;
(2) dust suction, separation;
Dust is separated for the first time with material by dust catcher through broken, removal of impurities material afterwards, the mass transport of after separating is to feed bin for the first time; Separated for the second time through cyclone separator by the dust of dust catcher sucking-off and partial material, for the second time the material of after separating through separator with the satisfactory feed separation of size to collection box, and flow to feed bin in order to granulation;
(3) granulation, pelletizing, packing;
Described granulation comprises three grades of granulation modes, is respectively at the first granulator heating, heats and filter residue and production granulation in the 3rd comminutor at the second comminutor again, and the qualified silk of moulding that production is produced from the 3rd comminutor is through the packing of weighing after a pelletizing.
2. anhydrous useless molding process according to claim 1, it is characterized in that, in fragmentation, removal step, carry out the gravity removal of impurities in the blanking processor that is arranged on the disintegrating machine bottom, carry out the magnetic force removal of impurities by after the blanking processor by the magnetic force trash separator, carry out the sawing sheet removal of impurities in cutting machine, enter at last inertia through the material of three removal of impurities and fall to mixing that to realize that inertia falls assorted for device.
3. according to claim 1-2 described anhydrous useless molding process, is characterized in that, in dust suction, separating step, the satisfactory material of described size is greater than the clean broken silk of moulding of 100 purposes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310034347.3A CN103085193B (en) | 2013-01-29 | 2013-01-29 | Regeneration method of anhydrous waste plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310034347.3A CN103085193B (en) | 2013-01-29 | 2013-01-29 | Regeneration method of anhydrous waste plastic |
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| CN103085193A true CN103085193A (en) | 2013-05-08 |
| CN103085193B CN103085193B (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310034347.3A Expired - Fee Related CN103085193B (en) | 2013-01-29 | 2013-01-29 | Regeneration method of anhydrous waste plastic |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014179907A1 (en) * | 2013-05-07 | 2014-11-13 | Sun Lizhi | Apparatus for recycling waste plastic by dry method and recycling method |
| CN104959361A (en) * | 2015-06-18 | 2015-10-07 | 孙立志 | Waste clothes harmless disposal system and method |
| CN104960109A (en) * | 2015-06-18 | 2015-10-07 | 孙立志 | System and method for harmlessly treating waste polyethylene plastics |
| CN107379321A (en) * | 2017-07-06 | 2017-11-24 | 成都新柯力化工科技有限公司 | A kind of method of the anhydrous clean and reuse of waste or used plastics |
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| US4284616A (en) * | 1978-02-15 | 1981-08-18 | Intenco, Inc. | Process for recovering carbon black and hydrocarbons from used tires |
| JPH11277529A (en) * | 1998-02-23 | 1999-10-12 | Kyo Shobi | Recovered waste paper recycling pellet, method for granulating recovered waste paper recycling pellet, and recovered waste paper recycling pellet granulator |
| CN102303381A (en) * | 2011-06-19 | 2012-01-04 | 阳文皇 | Washing-free reclaiming method for garbage plastic and special equipment |
| CN102785299A (en) * | 2012-08-21 | 2012-11-21 | 六安市洁美再生物资回收有限公司 | Polystyrene foam recovery granulating process |
-
2013
- 2013-01-29 CN CN201310034347.3A patent/CN103085193B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4284616A (en) * | 1978-02-15 | 1981-08-18 | Intenco, Inc. | Process for recovering carbon black and hydrocarbons from used tires |
| JPH11277529A (en) * | 1998-02-23 | 1999-10-12 | Kyo Shobi | Recovered waste paper recycling pellet, method for granulating recovered waste paper recycling pellet, and recovered waste paper recycling pellet granulator |
| CN102303381A (en) * | 2011-06-19 | 2012-01-04 | 阳文皇 | Washing-free reclaiming method for garbage plastic and special equipment |
| CN102785299A (en) * | 2012-08-21 | 2012-11-21 | 六安市洁美再生物资回收有限公司 | Polystyrene foam recovery granulating process |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014179907A1 (en) * | 2013-05-07 | 2014-11-13 | Sun Lizhi | Apparatus for recycling waste plastic by dry method and recycling method |
| CN104959361A (en) * | 2015-06-18 | 2015-10-07 | 孙立志 | Waste clothes harmless disposal system and method |
| CN104960109A (en) * | 2015-06-18 | 2015-10-07 | 孙立志 | System and method for harmlessly treating waste polyethylene plastics |
| CN104960109B (en) * | 2015-06-18 | 2017-06-16 | 孙立志 | A kind of polyethylene waste or used plastics innocuity disposal system and its processing method |
| CN104959361B (en) * | 2015-06-18 | 2018-01-19 | 孙文星 | A kind of waste and old clothes innocuity disposal system and its processing method |
| CN107379321A (en) * | 2017-07-06 | 2017-11-24 | 成都新柯力化工科技有限公司 | A kind of method of the anhydrous clean and reuse of waste or used plastics |
| CN107379321B (en) * | 2017-07-06 | 2019-05-03 | 砀山国晴塑料制品有限公司 | A kind of method of the anhydrous clean and reuse of waste plastic |
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| CN103085193B (en) | 2015-07-15 |
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