CN105643838A - Production process for regenerated plastic particles - Google Patents
Production process for regenerated plastic particles Download PDFInfo
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- CN105643838A CN105643838A CN201510249081.3A CN201510249081A CN105643838A CN 105643838 A CN105643838 A CN 105643838A CN 201510249081 A CN201510249081 A CN 201510249081A CN 105643838 A CN105643838 A CN 105643838A
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- waste plastic
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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
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
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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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- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a production process for regenerated plastic particles. The production process comprises the following steps: firstly, grading recycled waste plastic such as waste plastic cloth, waste plastic bags, waste plastic woven bags and the like; then, breaking the graded waste plastic by adopting a double-shaft shearing breaker, and carrying out iron removal treatment by adopting a crawler-type electromagnetic iron remover; carrying out divisional washing on the pre-treated waste plastic by adopting a barrel washing method, and drying the washed waste plastic; and finally, conveying the waste plastic to a charge hole of a plastic extruder by utilizing a conveyor belt, extruding the waste plastic, wiredrawing the waste plastic, cooling the waste plastic, and granulating the waste plastic, thereby preparing the regenerated plastic particle finished products. According to the production process disclosed by the invention, the labor efficiency is improved, service lives of a cutting tool and a plastic granulator are prolonged, the energy resources are saved, the noises are reduced, and the environmental pollution is reduced.
Description
Technical field
The present invention relates to plastic grain production field, in particular to the production technique of a kind of recycled plastic granules.
Background technology
Along with developing rapidly of plastics industry, also bring waste plastic and a series of social concerns that rubbish plastic waste causes simultaneously. People start to find, plastic garbage gushes to us silently, and " white pollution " drastically influence our healthy and living environment. Plastics recovery regenerates, and is the recycling economy industry advocated and advocate national policy aspect, but because current plastics recovery regeneration industry exists high energy consumption, high secondary pollution, therefore, is again the industry that restriction is done one's utmost by each local government. At present, there is following problem in domestic plastics recovery regeneration industry:
1. the plastics retrieved; owing to grade is different; include impurity, iron part, ironware, before cleaning, doing particle, it is necessary to plastic woven bag is carried out pre-treatment; automatic business processing equipment is not had due to domestic at present; main by manual sorting, inefficiency, costly; manually picking iron and can not all pick deironing part, the iron part that leakage is picked up also can damage cutting tool and plastic grain machine.
2. the crusher that current domestic plastics recovery regeneration industry adopts is substantially all three-cutter type crusher, and this equipment crushing efficiency is very low, and current consumption is big, and vibrations and noise are also very big, and serious affects operator and surrounding environment, causes noise pollution; In addition, big owing to shaking, cause cutter cannot be fixed on knife rest, it is easy to loosen, thus often twined cutter.
3. three-cutter type crusher, owing to being circle, the contact surface tangentially motion of plastic woven bag and cutter, plastic woven bag material is powerful to the rubbing effect of cutter, and the abrasion of cutter is very serious, it may also be useful to after 1��1.5 hour, and cutter is just not sharp.
4. utilizing the plastics of three-cutter type crusher in crushing, make plastics become very broken, broken object is fed in raw material with granulation to be beneficial to clean, but the electric energy more carefully consumed of fragmentation is more high.
5. the waste plastic bag retrieved is when cleaning, and the domestic method generally adopted is the related clear water washing of crusher at present, and then rinsing in pond, rinsing pond is generally at 25��30 cubic metres, and water waste is big, and rinsing pond needs frequently more to renew water, rinsing pond is cleaned also very loaded down with trivial details, effort of taking a lot of work; The plastics reclaimed, in washing process, produce a large amount of wash water, unprocessed, directly discharge, environment produces serious secondary pollution.
6. owing to plastics are made up of resin and softening agent, moreover, the impurity that plastics are difficult to wash owing to carrying secretly after a procedure, after heating, volatilizes the stink being difficult to say shape, seriously affects surrounding environment.
Summary of the invention
Technical problem to be solved by this invention is: in order to overcome defect and the deficiency of the existing production technology of plastic reclaimed industry, develops and a kind of energy-conservation, significantly can reduce production cost, improves production efficiency, reduces labour intensity, reduces noise, does not have stink, do not have the production technique of the recycled plastic granules of sewage discharge.
In order to reach above-mentioned technique effect, the technical solution used in the present invention is:
A production technique for recycled plastic granules, comprises the following steps:
A. pre-treatment: first the waste or used plastics such as waste or used plastics cloth, plastics bag and the Polywoven Bag retrieved are carried out classification, then adopts twin shaft shear breaker that the waste or used plastics after classification carries out fragmentation, then adopts track type electric magnetic iron remover to carry out deironing process;
B. clean: adopt the method for cylinder washing that pretreated waste or used plastics is carried out subregion washing, then dry;
C. finished product makes: utilize tape transport to the charging opening of plastics extruder in the plastics after step B processes, carry out extruding, wire drawing, cooling, pelletizing, make recycled plastic granules finished product.
Further, the subregion washing of described step B comprises: first, in the water washing of the firstth district containing washing composition, then in the clear water rinsing of the 2nd district, finally uses clear water rinsing further in the 3rd district.
Further, described step B also comprises the sewage treatment process precipitated step by step.
Further, described step C also comprises the process that eliminates the unusual smell of the venting port of plastics extruder, described in eliminate the unusual smell be treated to plastics extruder venting port connect granulation smoke elimination destinker.
Compared with prior art, the invention has the beneficial effects as follows: by the technique of steps A, it is to increase efficiency, extend cutting tool and the life-span of plastic grain machine, save the energy, reduce noise; The environmental pollution caused in production process is decreased by the technique of step B and step C.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to the technique means of the present invention can be better understood, and can be implemented according to the content of specification sheets, and in order to the above and other object of the present invention, feature and advantage can be become apparent, below especially exemplified by better embodiment, illustrated in detail.
Embodiment
The production technique of a kind of recycled plastic granules, first the waste or used plastics such as waste or used plastics cloth, plastics bag and the Polywoven Bag retrieved are carried out classification, adopt twin shaft shear breaker that the waste or used plastics after classification is carried out fragmentation, then adopt track type electric magnetic iron remover to carry out deironing process; Then adopt the method for cylinder washing that pretreated waste or used plastics is carried out subregion washing, carry out 3rd district even to wash, in the water washing of the firstth district containing washing composition, then in the clear water rinsing of the 2nd district, finally use clear water rinsing further in the 3rd district, then dry, the sewage after washing adopts the sewage treatment process precipitated step by step to dispose of sewage; Finally by through dried reuse of waste plastics tape transport to the charging opening of plastics extruder, carry out extruding, wire drawing, cooling, pelletizing, make recycled plastic granules finished product, the venting port of plastics extruder by connecting granulation smoke elimination destinker remove peculiar smell. The present embodiment adopts twin shaft shear breaker to substitute the three-cutter type crusher of prior art, and rotating speed is low, moment of torsion height, low noise, and treatment capacity is big, and discharging size is controlled, and discharging is even, efficiency height; Operate distinctive cutting knife external form, combine the technology cut and split with shear, reach cut off, broken, tear, puncture, the cracked volume reduction function such as cut; Double-shaft crusher, by CD-ROM drive motor-solar reduction gear group straight line transmission, reduces transmission efficiency loss, and available protecting rotating shaft, with guaranteeing manipulation amount energy, saves the energy. Adopt and track type electric magnetic iron remover is set above conveying belt, the direction of motion of conveying belt is mutually vertical with track type electric magnetic iron remover direction of motion, when plastics on the conveyor belt contain iron part, held by track type electric magnetic iron remover, when moving to the other side, lose magnetic, drop at the other side, iron part is sorted out naturally, decrease that manually to pick picking of causing clean, improve efficiency simultaneously, provide cost savings, when ensure that post-production, cutting tool not easily damages, thus extends the work-ing life of cutting tool.
The present embodiment changes the processing method that traditional crusher in crushing adds the washing of preliminary washing rinse-added pond, twin shaft shearing-crushing crusher machine is adopted to add the processing method of cylinder washing, namely the washing cylinder of crusher is lengthened to 3��5m, cylinder lengthens 3��5 times again on original length basis, and it is divided into 3rd district, carry out three district's continuous washing, make waste or used plastics become clean meeting and do plastic grain raw material. Free from environmental pollution in order to ensure the sewage after washing, when sewage disposal, the firstth district sewage out is the dirtiest, the sewage in individual curing first district, adopts the method for series connection, arranges 3��5 grades of settling tanks, precipitate step by step. When the water in the 1st grade of settling tank progressively increases containing dirt, time relatively more muddy, this settling tank is stopped using, sewage enters the 2nd grade of settling tank, and the 1st grade of inactive settling tank adds water conditioner, leaves standstill precipitation, extract upper strata clear water after spending the night out, clean out mud, use as last step settling tank; Former 2nd grade, the 3rd grade settling tank uses respectively as the new the 1st grade, the 2nd grade settling tank, so goes round and begins again, and circulation is constantly; Like this, the water in last step settling tank, becomes the water that comparison is clear, uses by this water cycle, washs the plastics in the firstth district. The washing water in second, third district, also arrange detention tank according to the method described above. The sewage disposal even washed by 3rd district and precipitate step by step, achieve do not have that discharge of wastewater do not pollute cleaning to carry out production strictly in line with rules and regulations, decrease and prior art needs build rinsing pond, need not frequently clear up rinsing pond, reduce cost, saved water resources and decreased factory building and floor space.
The present embodiment adopts minitype vertical type coal-fired thermal oil furnace, use biomass fuel as heating energy source, thermal oil adopts mineral oil, working range is at-10 DEG C��350 DEG C, the thermal oil trade mark adopted is JD-350, NeoSK-Oil400, and the heating rated output selecting boiler according to original heating power is 120��160kW. utilize thermal oil as thermal medium, first heat thermal oil, utilize the cylinder of heat-conducting oil heating plastics extruder, heat source temperature is stablized, it is possible to realize stable operating procedure, the plastic grain good product quality that makes to extrude, steady quality, stable operation, has saved the energy, reduces production cost. in order to adapt to heat-conducting oil heating mode, the cylinder of plastics extruder is simply transformed, weld clip Rotating fields around cylinder, interlayer space is 3��5cm, cylinder is divided into four regions, cylinder divides one, two, three, four regions of four arrange chuck respectively, the temperature needs of each section can be met like this, the import of thermal oil is established in the bottom of each subregion, heat conduction oil outlet is established on top, temperature survey is performed by platinum resistance temperature sensor, signal passes to thermometric instrument, the temperature setting in each region and temperature instruction, the order of thermometric instrument is performed by rly., rly. and electromagnetic valve linking operation, the fuel feeding of control thermal oil or open circuit, temperature automatic control. at the venting port of plastic particle extruder, connect granulation smoke elimination destinker and eliminate peculiar smell, ensure that expellant gas does not have peculiar smell, free from environmental pollution. the present invention is not limited to above-mentioned enforcement mode specifically, and for the person of ordinary skill of the art from above-mentioned design, without the work of creativeness, done all conversion, all drop within protection scope of the present invention.
Claims (4)
1. the production technique of a recycled plastic granules, it is characterised in that, comprise the following steps:
A. pre-treatment: first the waste or used plastics such as waste or used plastics cloth, plastics bag and the Polywoven Bag retrieved are carried out classification, then adopts twin shaft shear breaker that the waste or used plastics after classification carries out fragmentation, then adopts track type electric magnetic iron remover to carry out deironing process;
B. clean: adopt the method for cylinder washing that pretreated waste or used plastics is carried out subregion washing, then dry;
C. finished product processing: utilize tape transport to the charging opening of plastics extruder in the plastics after step B processes, carry out extruding, wire drawing, cooling, pelletizing, make recycled plastic granules finished product.
2. the production technique of a kind of recycled plastic granules according to claim 1, it is characterized in that, the subregion washing of described step B comprises: first, in the water washing of the firstth district containing washing composition, then in the clear water rinsing of the 2nd district, finally clear water rinsing is used further in the 3rd district.
3. the production technique of a kind of recycled plastic granules according to claim 1, it is characterised in that, described step B also comprises the sewage treatment process precipitated step by step.
4. the production technique of a kind of recycled plastic granules according to claim 1, it is characterized in that, described step C also comprises the process that eliminates the unusual smell of the venting port of plastics extruder, described in eliminate the unusual smell be treated to plastics extruder venting port connect granulation smoke elimination destinker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510249081.3A CN105643838A (en) | 2015-05-15 | 2015-05-15 | Production process for regenerated plastic particles |
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| CN201510249081.3A CN105643838A (en) | 2015-05-15 | 2015-05-15 | Production process for regenerated plastic particles |
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| CN105643838A true CN105643838A (en) | 2016-06-08 |
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| CN201510249081.3A Pending CN105643838A (en) | 2015-05-15 | 2015-05-15 | Production process for regenerated plastic particles |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273050A (en) * | 2016-08-23 | 2017-01-04 | 天津市旭辉恒远塑料包装股份有限公司 | A kind of prilling of regenerated plastics |
| CN106497025A (en) * | 2016-10-14 | 2017-03-15 | 德施普科技发展温州有限公司 | Regeneration PA plastic pellets prepared by a kind of utilization scrap fabric and preparation method thereof |
| CN107443618A (en) * | 2017-08-15 | 2017-12-08 | 武冈市鑫瑞能塑料制品有限公司 | A kind of regenerating and modifying plastic production technology based on waste or used plastics woven bag |
| CN108481600A (en) * | 2018-02-08 | 2018-09-04 | 海宁市鑫航塑料制品有限公司 | A kind of plastic granulator |
| CN108532024A (en) * | 2018-04-27 | 2018-09-14 | 荆门市万千塑业有限责任公司 | A kind of woven bag and preparation method thereof using polypropylene reclaimed material production |
| CN108772977A (en) * | 2018-05-08 | 2018-11-09 | 安徽瑞赛克再生资源技术股份有限公司 | A kind of recycled plastic granules processing method based on waste plastic film |
| CN113580413A (en) * | 2021-08-06 | 2021-11-02 | 青岛中孚科力橡塑有限公司 | Automatic production process of recycled plastic particles |
| EP4133000A4 (en) * | 2020-04-09 | 2024-05-29 | Tyromer Inc. | Method and system for odour abatement in rubber processing |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802232A (en) * | 2014-01-28 | 2014-05-21 | 青岛新天地固体废物综合处置有限公司 | Production line for cleaning, sorting, modifying and pelleting waste plastics and corresponding technology |
-
2015
- 2015-05-15 CN CN201510249081.3A patent/CN105643838A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802232A (en) * | 2014-01-28 | 2014-05-21 | 青岛新天地固体废物综合处置有限公司 | Production line for cleaning, sorting, modifying and pelleting waste plastics and corresponding technology |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273050A (en) * | 2016-08-23 | 2017-01-04 | 天津市旭辉恒远塑料包装股份有限公司 | A kind of prilling of regenerated plastics |
| CN106497025A (en) * | 2016-10-14 | 2017-03-15 | 德施普科技发展温州有限公司 | Regeneration PA plastic pellets prepared by a kind of utilization scrap fabric and preparation method thereof |
| CN107443618A (en) * | 2017-08-15 | 2017-12-08 | 武冈市鑫瑞能塑料制品有限公司 | A kind of regenerating and modifying plastic production technology based on waste or used plastics woven bag |
| CN108481600A (en) * | 2018-02-08 | 2018-09-04 | 海宁市鑫航塑料制品有限公司 | A kind of plastic granulator |
| CN108532024A (en) * | 2018-04-27 | 2018-09-14 | 荆门市万千塑业有限责任公司 | A kind of woven bag and preparation method thereof using polypropylene reclaimed material production |
| CN108772977A (en) * | 2018-05-08 | 2018-11-09 | 安徽瑞赛克再生资源技术股份有限公司 | A kind of recycled plastic granules processing method based on waste plastic film |
| EP4133000A4 (en) * | 2020-04-09 | 2024-05-29 | Tyromer Inc. | Method and system for odour abatement in rubber processing |
| CN113580413A (en) * | 2021-08-06 | 2021-11-02 | 青岛中孚科力橡塑有限公司 | Automatic production process of recycled plastic particles |
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Application publication date: 20160608 |
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