CN102489493A - Method for separating aluminum powder from waste paper plastic aluminum composite packaging material - Google Patents
Method for separating aluminum powder from waste paper plastic aluminum composite packaging material Download PDFInfo
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- CN102489493A CN102489493A CN2011104286023A CN201110428602A CN102489493A CN 102489493 A CN102489493 A CN 102489493A CN 2011104286023 A CN2011104286023 A CN 2011104286023A CN 201110428602 A CN201110428602 A CN 201110428602A CN 102489493 A CN102489493 A CN 102489493A
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Abstract
The invention relates to a method for separating aluminum powder from a waste paper plastic aluminum composite packaging material. The main technical characteristic is that: the method comprises the following steps: cleaning an aluminum plastic film generated in the separation process of aluminum paper and aluminum plastic; conveying the cleaned aluminum plastic film into a reactor; adding 20 percent oxalic acid aqueous solution in a liquid medicine preparation tank into the reactor by using a metering pump; sealing the reactor; heating the reactor to +/- 70 DEG C through steam; reacting at the temperature; after the reaction is finished, extracting the oxalic acid aqueous solution by using the pump and recycling; and allowing other components to pass through a dry centrifugal machine and a wet centrifugal machine which are connected with each other, wherein an aluminum powder outlet of the wet centrifugal machine is connected with a centrifugal filter, the centrifugal filter is connected with a purification pond 1, a purification pond 2 and a purification pond 3, the centrifugal machines are connected with an acid return pond, and the purification ponds are connected with a water return pond. Compared with the prior art, the method has the advantages of separating the aluminum plastic composite film wastes continuously and effectively, recycling reagents and sewage in the whole system and realizing recycling.
Description
Technical field
The present invention relates to a kind of method of separation aluminium powder of aluminum-plastic composite membrane waste material piece-rate system, particularly serialization.
Background technology
Aluminum-plastic composite membrane is widely used in packaging fields such as food, medicine, like the milk pack box.The aluminum-plastic composite membrane packaging material have produced a large amount of discarded objects in use and production process, if discarded object is buried, because the plastic-aluminum non-degradable can cause land pollution; If burn processing then can cause air pollution.Simultaneously, if disposable has also been wasted callable aluminium and plastics in the aluminum-plastic composite membrane waste material.The existing method that does not also have the high separation aluminium powder of the full automatic separative efficiency of a cover.
Summary of the invention
The present invention provides a kind of and realizes working continuously, method that the continuous and automatic that separative efficiency is high separates aluminium powder.
The present invention realizes through following technical scheme: the method that the discarded paper plastic-aluminum composite packing thing of a kind of usefulness separates aluminium powder; Its major technique is sent into reactor after being characterised in that at first aluminum plastic film in aluminium paper and the plastic-aluminum separation process being cleaned, and simultaneously 20% oxalic acid aqueous solution in the soup batch tank is added in the reactor through measuring pump; Closed reactor; Through steam temperature of reactor is risen to ± 70 ℃; Under this temperature, react, after reaction finishes, oxalic acid aqueous solution is extracted reuse through pump; Other compositions connect filter centrifugal through the outlet that the wet centrifuge of the even wet centrifuge of dried centrifuge goes out aluminium powder, and filter centrifugal connects No. 1 clarifier-tank, No. 2 clarifier-tanks, No. 3 clarifier-tanks; The said centrifuge sour pond that is linked back, the clarifier-tank pond that is linked back.
The present invention compared with prior art can carry out the separation of continuous effective to the aluminum-plastic composite membrane waste material, and in whole system, recycles reagent and sewage, realizes recycle.
Description of drawings:
Fig. 1 is a structural representation of the present invention.
The specific embodiment:
As shown in Figure 1, send into reactor after at first aluminum plastic film in aluminium paper and the plastic-aluminum separation process being cleaned, simultaneously 20% oxalic acid aqueous solution in the soup batch tank is added in the reactor through measuring pump; Closed reactor rises to 70 ℃ through steam with temperature of reactor, under this temperature, reacts; After reaction finishes, oxalic acid aqueous solution is extracted reuse through pump, the used system of this method comprises tank 21, clarified water pump 22, reuse water pump 23, dredge pump 24, back pool 19, electrical equipment control chamber 17, heat-exchanger pump 27; Comprise that feeding conveyer belt 1 connects dispersing device 2, dispersing device connects oblique conveyer belt 3, and tiltedly conveyer belt connects harmonious material device 4; Harmonious material device connects sorting table 5, and sorting table connects reactor 6, and reactor connects feeder 7; Feeder connects dried centrifuge 8, dried centrifuge connect plastic foil that wet centrifuge 9, wet centrifuge separate through rinsing bath 10, friction machine 11, extract machine 12 granulations.Wet another line of centrifuge connects filter centrifugal 13 again; Filter centrifugal connects 14, No. 2 clarifier-tank 15,3 clarifier-tanks 16 of No. 1 clarifier-tank; Clarifier-tank links to each other with self-fractionating pump 14-1,15-1,16-1 respectively, and No. 1 clarifier-tank 14 also links to each other with Microfilter 18 respectively with No. 2 clarifier-tanks 15; The said centrifuge sour pond 20 that is linked back, the said clarifier-tank pond 19 that is linked back.Return and be provided with agitator 25 and time acid treatment pump 26 in the sour pond, go back to sour pond 20 and connect the sour pond 20-1 of another time and return acid treatment pump 26-1 through pipeline.The reactor other end can connect another set of piece-rate system through little feeding conveyer belt 28.
The aluminum-plastic composite membrane waste material is transported to dispersing device 2 by feeding conveyer belt 1, breaks up caking, delivers to sorter 5 through oblique conveyer belt 3; Beat even by harmonious material device 4 dnockouts; Be convenient to sub-elect impurity and large stretch of waste material, send into reactor reaction then, be provided with two parallel no axle spirality conveyer belts in the reactor; Making material stir rolling on the one hand fully reacts with liquid medicine; Can be fed forward to feeder 7 to material uninterruptedly on the other hand, take off liquid medicine totally to dried centrifuge 8 then, isolate plastic foil and aluminium powder through wet centrifuge 9 then; The plastic foil part winnows through rinsing bath 10, and friction machine 11 removes impurity, extracts moisture content through extracting machine 12 then, and blower fan dries up the back and gets into the comminutor granulation.The aluminium powder part is filtered through filter centrifugal 13 and is got into clarifier-tank; No. 1 clarifier-tank 14 purifies paper pulp; No. 2 clarifier-tank 15 purifies remaining plastic foil, and 3 clarifier-tanks 16 go out aluminium powder, and No. 1 clarifier-tank 14 and No. 2 clarifier-tanks 15 purify the impurity that comes out and also filter through Microfilter 18 respectively.The liquid medicine of whole system and water all pass through back sour pond, back pool and blowback usefulness, realize utilizing in proper order.
Claims (2)
1. a method of separating aluminium powder with discarded paper plastic-aluminum composite packing thing is sent into reactor after it is characterized in that at first aluminum plastic film in aluminium paper and the plastic-aluminum separation process being cleaned, simultaneously with 20% oxalic acid aqueous solution in the soup batch tank through in the measuring pump adding reactor; Closed reactor; Through steam temperature of reactor is risen to ± 70 ℃; Under this temperature, react, after reaction finishes, oxalic acid aqueous solution is extracted reuse through pump; Other compositions connect filter centrifugal through the outlet that the wet centrifuge of the even wet centrifuge of dried centrifuge goes out aluminium powder, and filter centrifugal connects No. 1 clarifier-tank, No. 2 clarifier-tanks, No. 3 clarifier-tanks.
2. a kind of continuous and automatic plastic-aluminum piece-rate system as claimed in claim 1 is characterized in that the said centrifuge sour pond that is linked back, the clarifier-tank pond that is linked back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104286023A CN102489493A (en) | 2011-12-20 | 2011-12-20 | Method for separating aluminum powder from waste paper plastic aluminum composite packaging material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104286023A CN102489493A (en) | 2011-12-20 | 2011-12-20 | Method for separating aluminum powder from waste paper plastic aluminum composite packaging material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102489493A true CN102489493A (en) | 2012-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104286023A Pending CN102489493A (en) | 2011-12-20 | 2011-12-20 | Method for separating aluminum powder from waste paper plastic aluminum composite packaging material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016176752A1 (en) * | 2015-05-05 | 2016-11-10 | De Araújo Ponte Haroldo | Process for recycling metallized plastic packaging |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6095441A (en) * | 1997-05-09 | 2000-08-01 | Baker Hughes (Deutschland) Gmbh | Process of separating mixed plastic waste into light and heavy plastic phases |
| CN101837616A (en) * | 2010-05-06 | 2010-09-22 | 杭州富伦生态科技有限公司 | Aluminum-plastic separation system |
| CN101912868A (en) * | 2010-07-30 | 2010-12-15 | 张侃 | Separation and recovery technology for waste aluminum-plastic composite packaging material |
| CN102151686A (en) * | 2010-12-24 | 2011-08-17 | 汨罗市同益再生资源处理有限公司 | Process for recycling waste toothpaste aluminum-plastic composite packaging material |
| CN102206359A (en) * | 2010-03-31 | 2011-10-05 | 中国环境科学研究院 | Successive separation method of aluminum-plastic composite packaging materials and device thereof |
-
2011
- 2011-12-20 CN CN2011104286023A patent/CN102489493A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6095441A (en) * | 1997-05-09 | 2000-08-01 | Baker Hughes (Deutschland) Gmbh | Process of separating mixed plastic waste into light and heavy plastic phases |
| CN102206359A (en) * | 2010-03-31 | 2011-10-05 | 中国环境科学研究院 | Successive separation method of aluminum-plastic composite packaging materials and device thereof |
| CN101837616A (en) * | 2010-05-06 | 2010-09-22 | 杭州富伦生态科技有限公司 | Aluminum-plastic separation system |
| CN101912868A (en) * | 2010-07-30 | 2010-12-15 | 张侃 | Separation and recovery technology for waste aluminum-plastic composite packaging material |
| CN102151686A (en) * | 2010-12-24 | 2011-08-17 | 汨罗市同益再生资源处理有限公司 | Process for recycling waste toothpaste aluminum-plastic composite packaging material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016176752A1 (en) * | 2015-05-05 | 2016-11-10 | De Araújo Ponte Haroldo | Process for recycling metallized plastic packaging |
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Application publication date: 20120613 |