CN101898195B - Waste aluminium plastic compound packaging material recycling method - Google Patents
Waste aluminium plastic compound packaging material recycling method Download PDFInfo
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- CN101898195B CN101898195B CN 200910052106 CN200910052106A CN101898195B CN 101898195 B CN101898195 B CN 101898195B CN 200910052106 CN200910052106 CN 200910052106 CN 200910052106 A CN200910052106 A CN 200910052106A CN 101898195 B CN101898195 B CN 101898195B
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Abstract
The invention provides a waste aluminium plastic compound packaging material recycling method, including the following steps: 1) classification, the waste aluminium plastic compound packaging material is classified; 2) grinding, the waste aluminium plastic compound packaging material is ground into aluminium plastic blocks in a grinder; 3) vacuum dehydration, the ground aluminium plastic blocks are placed into a vacuum pump and heating and evaporation are carried out to remove moisture; 4) impurity removal, the aluminium plastic blocks after evaporation are placed into a conveyer belt provided with an iron removing device, and iron impurity is removed in conveying process; 5) spheroidization, the aluminium plastic blocks after impurity removal are stirred and subject to spheroidization under high temperature condition, and then a double screw machine is utilized to thoroughly grind the aluminium plastic blocks; 6) extrusion moulding, the aluminium plastic blocks ground by the step 5) are placed into an extrusion moulding machine, and integral moulding is carried out. The waste aluminium plastic compound packaging material recycling method provided by the invention can realize that the waste aluminium plastic compound packaging material is directly made into aluminium plastic product such as container by virtue of simple processing steps only.
Description
Technical field
The present invention relates to a kind of castoff regenerative and utilize method, and be particularly related to a kind of waste aluminium plastic compound packaging material regeneration method.
Background technology
Aluminium plastic compound packaging material is used for the packing of the various article of daily life, as in beverage industries such as milk, black tea, being used widely in a large number with its good resistance light heat preservation property.But a large amount of aluminium plastic compound packaging materials of discarding and can't degrading with the back produces have not only lost a large amount of aluminium and plastics resource, and environment have been polluted.According to national departments concerned statistics, this type of discarded aluminium plastic compound packaging material every year is up to 3,000,000 tons.
Be Sweden Tetrapack company in the maximum aluminium plastic compound packaging material supplier of China at present, major part is the aluminium plastic compound packaging material that Tetrapack company produces in the therefore discarded aluminum-plastic packaged compound.The lamination layer structure that can confirm the aluminium plastic compound packaging material of the said firm according to repetition test mainly is: folder one deck aluminium foil layer in the two-layer LDPE layer; The material of aluminium foil layer is a pure aluminum, and its surface is formed with thin alundum (Al layer; Sealed polyethylene plastic is bonding with the alundum (Al layer after through the hot pressing fusion.In addition, another kind of possible situation is to bond through powerful organic bond between aluminium foil and the plastic sheeting.No matter above-mentioned which kind of structure, the combination between aluminium foil layer and the plastic film layers all very firmly.Therefore how to handle the compound problem of a large amount of waste aluminium plastics, become the focus of domestic and international research.
The existing method that aluminium plastic compound packaging material is recycled mainly contains: (1) plane pressing plate processing-its technology is at first to pulverize plastic-aluminum paper container, again with large tonnage pressing machine and big capacity heater; Under hot conditions, the plastic-aluminum paper after pulverizing is suppressed, obtain plastic-aluminum paper cardboard; The shortcoming of this method is, the fund of main equipment investment and operation is huge, and the consumption of the energy is big; And its processing operation is the intermittence operation; Operational efficiency is low, and the purposes of the plastic-aluminum waste paperboard of regeneration is limited in scope, total deficiency in economic performance; (2) resolution process-employing plastic-aluminum paper decomposes combined unit, respectively plastic-aluminum paper is decomposed into aluminium, plastics and fiber for device section in processing procedure, and three kinds of materials after the decomposition can obtain regeneration; Its result is thorough, and is very favourable to the protection of environment, and the regeneration of its discarded object is very perfect also; But this device is the huge and complicated system of a cover, not only needs huge investment; And the energy resource consumption of operation process is very big; The company of external similar processing operation suffers great loss year after year, therefore scarcely ever to promoting the use of.
Summary of the invention
The present invention provides a kind of waste aluminium plastic compound packaging material regeneration method, directly processes required plastic-aluminum products such as container through simple process steps and general equipment realization waste aluminium plastic compound packaging material.
In order to achieve the above object; The present invention provides a kind of waste aluminium plastic compound packaging material regeneration method; Adopt following steps: 1) classify-waste aluminium plastic compound packaging material is classified; Confirm plastics kind through spectrometric instrument, classification back waste aluminium plastic compound packaging material plastic content is controlled between 10% to 60%; 2) pulverizing-waste aluminium plastic compound packaging material is ground into the plastic-aluminum piece in pulverizer; 3) the plastic-aluminum piece after vacuum is anhydrated-will be pulverized is put into the vacuum machine and is carried out its moisture of heating evaporation; 4) the plastic-aluminum piece of decontamination-after will evaporating is inserted one and is provided with in the conveyer belt of removing the irony facility, in transport process, removes the irony foreign material; 5) spheroidising-at high temperature the plastic-aluminum piece behind the decontamination is stirred and carry out spheroidising utilizes twin-screw machine that the plastic-aluminum piece is thoroughly pulverized again; 6) extrusion modling-plastic-aluminum piece after the step 5 pulverizing is inserted single lead screw ex truding briquetting machine, one-body molded.
Further, be provided with pre-treatment step before the said pulverising step, this step includes: a, cleaning-waste aluminium plastic compound packaging material is sheared, and the waste aluminium plastic after will shearing is again sent into and is removed grease, dirt in the rotary drum washer; The waste aluminium plastic of b, drying-after will cleaning send into get rid of in the centrifugal drier in, it is subsequent use that the plastic-aluminum waste paper after will drying is again sent into drying machine drying.
Further, in said step pulverising step, the size of plastic-aluminum piece should be less than 5 millimeters.
Further, in said vacuum was anhydrated step, the heating in vacuum temperature was 300-400 degree centigrade.
The present technique scheme is utilized common pulverizer, extruder, obtains reconstituted product with simple and direct process, and following beneficial effect is arranged:
1, discarded object is handled continuously, be of value to the protection of environment, have great society and economic benefit, processing cost is low.
2, directly obtain product such as container after the offal treatment, technology is simple, and whole process is carried out in airtight system, and non-secondary pollution is fit to produce in enormous quantities.
Description of drawings
Shown in Figure 1 is waste aluminium plastic compound packaging material regeneration method flow diagram of the present invention.
The specific embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to specify technical scheme of the present invention.
Please refer to Fig. 1, shown in Figure 1 is present embodiment waste aluminium plastic compound packaging material regeneration method flow diagram, and waste aluminium plastic compound packaging material regeneration method may further comprise the steps:
1) classify-waste aluminium plastic compound packaging material is classified, confirm plastics kind through spectrometric instrument, classification back waste aluminium plastic compound packaging material plastic content is controlled at PE between 10% to 60%.
2) pulverizing-waste aluminium plastic compound packaging material is ground into the plastic-aluminum piece in pulverizer; Most useless boxes have residual beverage and rubbish, therefore before pulverising step, can comprise pre-treatment step, specifically comprise: clean-waste aluminium plastic compound packaging material is sheared; So that the inside of its container exposes fully; Waste aluminium plastic after will shearing is again sent in the rotary drum washer, is loaded with temperature in the cleaning machine and is 30 degrees centigrade to 45 degrees centigrade water, and the plastic-aluminum piece that soaks in a tepid bath is through after rolling strand repeatedly; Can remove grease, dirt, thereby the quality of finished of making is higher.Dry-waste aluminium plastic after will cleaning is sent in the centrifugal drier and is dried; Can save the energy of heating, drying by this; It is subsequent use that plastic-aluminum waste paper after will drying is again sent into drying machine drying; Its corresponding heating-up temperature is looked humidity, the environment temperature of plastic-aluminum piece and is selected, and is no more than 60 degrees centigrade but operating temperature is the highest.
3) the plastic-aluminum piece after vacuum is anhydrated-will be pulverized is put into the vacuum machine and is carried out its moisture of heating evaporation, and the heating in vacuum temperature is 300-400 degree centigrade.
4) the plastic-aluminum piece of decontamination-after will evaporating is inserted one and is provided with in the conveyer belt of removing the irony facility, in transport process, removes the irony foreign material.
5) spheroidising-vacuum high-temperature anhydrates and handles the bulk processing that is unfavorable for postorder of back plastic-aluminum piece, carries out spheroidising through at high temperature the plastic-aluminum piece behind the decontamination being stirred, and utilizes twin-screw machine that the plastic-aluminum piece is thoroughly pulverized again;
6) the plastic-aluminum piece after extrusion modling-with step 5 is pulverized is inserted single lead screw ex truding briquetting machine, one-body moldedly is processed into needed product.
Waste aluminium plastic compound packaging material regeneration method provided by the invention just can realize that through simple process steps and general equipment waste aluminium plastic compound packaging material directly processes required plastic-aluminum products such as container.
Though the present invention discloses as above with preferred embodiment, so it is not in order to limit the present invention.Have common knowledge the knowledgeable in the technical field under the present invention, do not breaking away from the spirit and scope of the present invention, when doing various changes and retouching.Therefore, protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (4)
1. waste aluminium plastic compound packaging material regeneration method is characterized in that may further comprise the steps:
1) classify-waste aluminium plastic compound packaging material is classified, confirm plastics kind through spectrometric instrument, classification back waste aluminium plastic compound packaging material plastic content is controlled between 10% to 60%;
2) pulverizing-waste aluminium plastic compound packaging material is ground into the plastic-aluminum piece in pulverizer;
3) the plastic-aluminum piece after vacuum is anhydrated-will be pulverized is put into the vacuum machine and is carried out its moisture of heating evaporation;
4) the plastic-aluminum piece of decontamination-after will evaporating is inserted one and is provided with in the conveyer belt of removing the irony facility, in transport process, removes the irony foreign material;
5) spheroidising-at high temperature the plastic-aluminum piece behind the decontamination is stirred and carry out spheroidising utilizes twin-screw machine that the plastic-aluminum piece is thoroughly pulverized again;
6) extrusion modling-plastic-aluminum piece after the step 5 pulverizing is inserted single lead screw ex truding briquetting machine, one-body molded.
2. the waste aluminium plastic compound packaging material regeneration method of stating according to claim 1 is characterized in that: be provided with pre-treatment step before the said pulverising step, this step includes:
A, cleaning-waste aluminium plastic compound packaging material is sheared, the waste aluminium plastic after will shearing is again sent into and is removed grease, dirt in the rotary drum washer;
The waste aluminium plastic of b, drying-after will cleaning is sent in the centrifugal drier and is dried, and it is subsequent use that the plastic-aluminum waste paper after will drying is again sent into drying machine drying.
3. the waste aluminium plastic compound packaging material regeneration method of stating according to claim 1 is characterized in that: in said pulverising step, the size of plastic-aluminum piece is less than 5 millimeters.
4. the waste aluminium plastic compound packaging material regeneration method of stating according to claim 1 is characterized in that: in said vacuum was anhydrated step, the heating in vacuum temperature was 300 degrees centigrade to 400 degrees centigrade.
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| CN 200910052106 CN101898195B (en) | 2009-05-27 | 2009-05-27 | Waste aluminium plastic compound packaging material recycling method |
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| CN 200910052106 CN101898195B (en) | 2009-05-27 | 2009-05-27 | Waste aluminium plastic compound packaging material recycling method |
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| CN101898195B true CN101898195B (en) | 2012-12-26 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909210B (en) * | 2011-08-05 | 2015-06-17 | 上海勃来特商贸有限公司 | Process based on hot extrusion cold press technology for recycling waste composite aluminum foil material |
| CN103599845B (en) * | 2013-11-30 | 2017-04-05 | 巨锋 | A kind of Paste type aluminum wrappage separation recovery method and device |
| CN103949458B (en) * | 2014-04-10 | 2016-04-13 | 安徽省腾越铝塑有限公司 | Regeneration plastic-aluminum composite article environmental protection separating technology |
| CN105080947B (en) * | 2015-09-15 | 2018-06-29 | 安徽百盛源包装材料有限公司 | A kind of waste aluminium plastic recovery method |
| CN105483390B (en) * | 2016-01-28 | 2017-10-20 | 中北大学 | A kind of aluminium scrap bits regeneration short route manufacturing process |
| CN106311717A (en) * | 2016-07-30 | 2017-01-11 | 田建伟 | Method for recycling adhesive sticker waste |
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| CN1443635A (en) * | 2002-03-13 | 2003-09-24 | 田建伟 | Aluminium-plastics contained waste paper regenerated granule material, its preparation method and application |
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| CN101296874A (en) * | 2005-08-17 | 2008-10-29 | 日东纺绩株式会社 | Process for producing spherical inorganic particle |
| CN101352718A (en) * | 2008-08-28 | 2009-01-28 | 巨锋 | Recovery technique of waste plastic-aluminum plate |
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| CN1443635A (en) * | 2002-03-13 | 2003-09-24 | 田建伟 | Aluminium-plastics contained waste paper regenerated granule material, its preparation method and application |
| CN1401443A (en) * | 2002-09-20 | 2003-03-12 | 惠嘉电实业股份有限公司 | Method and stripping agent for separating and recovering aluminium-plastic paper composite packaging material |
| CN101296874A (en) * | 2005-08-17 | 2008-10-29 | 日东纺绩株式会社 | Process for producing spherical inorganic particle |
| CN1915635A (en) * | 2005-08-18 | 2007-02-21 | 徐考伸 | Recovery method of separating waste composite material of aluminum and plastic |
| CN101392105A (en) * | 2007-09-18 | 2009-03-25 | 青岛泰达天润碳材料有限公司 | Spherical graphite processing method and equipment system thereof |
| CN101352718A (en) * | 2008-08-28 | 2009-01-28 | 巨锋 | Recovery technique of waste plastic-aluminum plate |
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