CN101352720A - Recovery technique of waste medicine sheet - Google Patents
Recovery technique of waste medicine sheet Download PDFInfo
- Publication number
- CN101352720A CN101352720A CNA2008101411744A CN200810141174A CN101352720A CN 101352720 A CN101352720 A CN 101352720A CN A2008101411744 A CNA2008101411744 A CN A2008101411744A CN 200810141174 A CN200810141174 A CN 200810141174A CN 101352720 A CN101352720 A CN 101352720A
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- CN
- China
- Prior art keywords
- plastic
- plastics
- aluminium
- particle diameter
- medicine sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002699 waste material Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000011084 recovery Methods 0.000 title claims abstract description 19
- 239000003814 drug Substances 0.000 title claims description 37
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 87
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000004033 plastic Substances 0.000 claims abstract description 53
- 229920003023 plastic Polymers 0.000 claims abstract description 53
- 238000000926 separation method Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000012216 screening Methods 0.000 claims abstract description 6
- 239000004411 aluminium Substances 0.000 claims description 51
- 239000002245 particle Substances 0.000 claims description 40
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- 238000005979 thermal decomposition reaction Methods 0.000 claims description 26
- 239000000203 mixture Substances 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000005336 cracking Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 238000013467 fragmentation Methods 0.000 claims description 5
- 238000006062 fragmentation reaction Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- 239000005030 aluminium foil Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The invention provides a recovery process of waste dosage panels. The recovery process comprises the main steps of crushing, thermally decomposing, screening and electrically separating the waste dosage panels, thus the plastic and aluminum powder are separated. Automatic control is adopted in the whole process of the invention, thus saving labor force and improving work efficiency. The plastic obtained from separation can be directly used for producing plastic products, and the aluminum powder can be directly used for producing industrial aluminum powder; by adopting the recovery process, the waste dosage panels are reused as resources, and the environmental pollution caused by directly discarding the waste dosage panels is avoided, thus the recovery process complies with the sustainable development strategy, has outstanding economic benefit and social benefit, and can be used for recovering other aluminum plastic composite packing materials.
Description
Technical field
The invention belongs to the waste recovery technical field, relate to a kind of recovery technique of waste medicine sheet.
Background technology
In order to guarantee that medicine in transportation with the convenience when using, often adopts medicine sheet that medicine is packed, medicine sheet mostly is the plastic-aluminum medicine sheet, and the drug use back medicine sheet that finishes becomes and is a kind of discarded object.The plastic-aluminum medicine sheet is bonding or bonding by hot pressing by powerful organic bond agent layer between aluminium foil and the plastic film layers, because bonding all very firm between aluminium foil and the plastic film layers, the separation of plastic-aluminum is very difficult, is difficult to for a long time a large amount of discarded plastic-aluminum medicine sheets are recycled.
Now aluminium and plastics recycling method in this type of plastic-aluminum medicine sheet are mainly contained: 1, with discarded plastic-aluminum medicine sheet with the mechanical crushing and the fusion of heating, be used to make article such as flowerpot or blow-off pipe, obviously this method is low to the rate of recovery of aluminium and plastics; 2, the plastic-aluminum medicine sheet is burned, the burning-off plastics stay aluminium, but can produce a large amount of dusty gas like this, direct contaminated environment, and when high temperature incineration, also the part aluminaization can be brought difficulty to regeneration; 3, utilize the heat plasma stove, all vaporizing up to 15000 degree plastic-aluminum to the high temperature of 50000 degree, al composition sinks to casting aluminium ingot, and the plastics vaporization is risen after being condensed into jelly as industrial chemicals, but this method investment is huge; 4, discarded plastic-aluminum medicine sheet is put in the solution that contains separate substance soaked, after utilizing separate substance to penetrate plastic sheeting aluminium lamination is dissolved, thereby aluminium foil is separated with plastic sheeting, but because separate substance mostly is strong acid and highly basic class material, can pollute environment, equipment is caused corrosion, and can cause dissolving, be difficult for industrializing implementation aluminium lamination.
Summary of the invention
The purpose of this invention is to provide a kind of recovery technique of waste medicine sheet, realized turning waste into wealth, simple for process.
For achieving the above object, the present invention is by the following technical solutions: a kind of recovery technique of waste medicine sheet, may further comprise the steps: (1), waste medicine sheet is sent into disintegrating apparatus carry out fragmentation, particle size after cracking is less than 10cm, then broken medicine sheet is sent into the thermal decomposition machine, in the thermal decomposition machine, plastics are separated with aluminium; (2), the material in the thermal decomposition machine after the air cooling of discharging opening, send into vibration screening equipment and screen, particle diameter greater than 8mm for containing the plastics of aluminium 0.2～0.4%, what particle diameter was 2～8mm and particle diameter less than 2mm is the plastic-aluminum mixture; (3), be that the plastic-aluminum mixture of 2～8mm is crushed to particle diameter less than 2.5mm plastic-aluminum compound with particle diameter; (4), the particle diameter of step (2) is sent into electrostatic separator less than the plastic-aluminum mixture of 2mm and the particle diameter of step (3) less than the plastic-aluminum compound of 2.5mm, behind electric separation, be divided into the plastics and the aluminium powder that contain aluminium 0.1～0.2%; (5), collect the plastics that contain certain aluminium of step (2) and step (4), send into alkalization equipment, add sodium hydroxide solution and remove aluminium contained in the plastics, then through washing, obtain pure plastics after dewatering; (6), collect the aluminium powder of step (4) preparation.
The weight percent concentration of sodium hydroxide solution is 15～30% in the described step (5).
The weight ratio of described sodium hydroxide solution and plastics is 5～10: 1000.
Temperature in the described thermal decomposition machine is 220～280 ℃, and the rotating speed of thermal decomposition machine is 900～1100 rev/mins.
The present invention is different according to aluminium and plastics fusing point mainly, plastics moments is softened in the thermal decomposition machine, because the fusing point of aluminium is very high, aluminium becomes little spherical shape under the effect of stirring, thereby aluminium and plastics are separated, adopt the method for physical separation that aluminium powder is thoroughly separated with parts of plastics then, few material that adopts strong acid and the high pollution of highly basic class in the whole separation process, only the principle of having used a spot of sodium hydroxide solution, sodium hydroxide solution to remove small amount of aluminum in the plastics when the purification plastics is: 2Al+2NaOH+2H
2O=2NaAlO
2+ 3H
2↑; Whole process using automation control of the present invention, saved the labour, improved operating efficiency, isolated parts of plastics can be directly used in the making plastic products, and aluminium powder is directly used in the industrial aluminium powder of preparation, makes waste and old medicine sheet become resource utilization again, avoided waste and old medicine sheet directly to abandon the environmental pollution that brings, meet the strategy of sustainable development, economic benefit and social benefit are outstanding, and the present invention also can be used for the recovery of other aluminium plastic compound packaging materials.
Description of drawings
Fig. 1 is a process chart of the present invention.
The specific embodiment
Embodiment 1: a kind of recovery technique of waste medicine sheet, may further comprise the steps: (1), waste medicine sheet is sent into disintegrating apparatus carry out fragmentation, particle size after cracking is less than 10cm, then broken medicine sheet is sent into the thermal decomposition machine, in the thermal decomposition machine, plastics are separated with aluminium, temperature in the thermal decomposition machine is 220 ℃, and the rotating speed of thermal decomposition machine is 1100 rev/mins; (2), the material in the thermal decomposition machine after the air cooling of discharging opening, send into vibration screening equipment and screen, particle diameter greater than 8mm for containing the plastics of aluminium 0.2～0.4%, what particle diameter was 2～8mm and particle diameter less than 2mm is the plastic-aluminum mixture; (3), be that the plastic-aluminum mixture of 2～8mm is crushed to particle diameter less than 2.5mm plastic-aluminum compound with particle diameter; (4), the particle diameter of step (2) is sent into electrostatic separator less than the plastic-aluminum mixture of 2mm and the particle diameter of step (3) less than the plastic-aluminum compound of 2.5mm, behind electric separation, be divided into the plastics and the aluminium powder that contain aluminium 0.1～0.2%; (5), collect 1 ton in the plastics that contain certain aluminium of step (2) and step (4), send into alkalization equipment, add weight percent concentration and be 15% sodium hydroxide solution and remove aluminium contained in the plastics for 10 kilograms, then through washing, obtain pure plastics after dewatering; (6), collect the aluminium powder of step (4) preparation.
Embodiment 2: a kind of recovery technique of waste medicine sheet, may further comprise the steps: (1), waste medicine sheet is sent into disintegrating apparatus carry out fragmentation, particle size after cracking is less than 10cm, then broken medicine sheet is sent into the thermal decomposition machine, in the thermal decomposition machine, plastics are separated with aluminium, temperature in the thermal decomposition machine is 250 ℃, and the rotating speed of thermal decomposition machine is 1000 rev/mins; (2), the material in the thermal decomposition machine after the air cooling of discharging opening, send into vibration screening equipment and screen, particle diameter greater than 8mm for containing the plastics of aluminium 0.2～0.4%, what particle diameter was 2～8mm and particle diameter less than 2mm is the plastic-aluminum mixture; (3), be that the plastic-aluminum mixture of 2～8mm is crushed to particle diameter less than 2.5mm plastic-aluminum compound with particle diameter; (4), the particle diameter of step (2) is sent into electrostatic separator less than the plastic-aluminum mixture of 2mm and the particle diameter of step (3) less than the plastic-aluminum compound of 2.5mm, behind electric separation, be divided into the plastics and the aluminium powder that contain aluminium 0.1～0.2%; (5), the plastics that contain certain aluminium of collection step (2) and step (4) are 1 ton, send into alkalization equipment, add weight percent concentration and be 20% sodium hydroxide solution and remove aluminium contained in the plastics for 7 kilograms, after washing, dehydration, obtain pure plastics then, be used to prepare various plastic products; (6), collect the aluminium powder of step (4) preparation, be used to prepare industrial aluminium powder.
Embodiment 3: a kind of recovery technique of waste medicine sheet, may further comprise the steps: (1), waste medicine sheet is sent into disintegrating apparatus carry out fragmentation, particle size after cracking is less than 10cm, then broken medicine sheet is sent into the thermal decomposition machine, in the thermal decomposition machine, plastics are separated with aluminium, temperature in the thermal decomposition machine is 280 ℃, and the rotating speed of thermal decomposition machine is 900 rev/mins; (2), the material in the thermal decomposition machine after the air cooling of discharging opening, send into vibration screening equipment and screen, particle diameter greater than 8mm for containing the plastics of aluminium 0.2～0.4%, what particle diameter was 2～8mm and particle diameter less than 2mm is the plastic-aluminum mixture; (3), be that the plastic-aluminum mixture of 2～8mm is crushed to particle diameter less than 2.5mm plastic-aluminum compound with particle diameter; (4), the particle diameter of step (2) is sent into electrostatic separator less than the plastic-aluminum mixture of 2mm and the particle diameter of step (3) less than the plastic-aluminum compound of 2.5mm, behind electric separation, be divided into the plastics and the aluminium powder that contain aluminium 0.1～0.2%; (5), the plastics that contain certain aluminium of collection step (2) and step (4) are 1 ton, send into alkalization equipment, add weight percent concentration and be 30% sodium hydroxide solution and remove aluminium contained in the plastics for 5 kilograms, after washing, dehydration, obtain pure plastics then, be used to prepare various plastic products; (6), collect the aluminium powder of step (4) preparation, be used to prepare industrial aluminium powder.
Claims (4)
1, a kind of recovery technique of waste medicine sheet, it is characterized in that may further comprise the steps: (1), waste medicine sheet is sent into disintegrating apparatus carry out fragmentation, particle size after cracking is sent broken medicine sheet into the thermal decomposition machine then less than 10cm, in the thermal decomposition machine plastics is separated with aluminium; (2), the material in the thermal decomposition machine after the air cooling of discharging opening, send into vibration screening equipment and screen, particle diameter greater than 8mm for containing the plastics of aluminium 0.2～0.4%, what particle diameter was 2～8mm and particle diameter less than 2mm is the plastic-aluminum mixture; (3), be that the plastic-aluminum mixture of 2～8mm is crushed to particle diameter less than 2.5mm plastic-aluminum compound with particle diameter; (4), the particle diameter of step (2) is sent into electrostatic separator less than the plastic-aluminum mixture of 2mm and the particle diameter of step (3) less than the plastic-aluminum compound of 2.5mm, behind electric separation, be divided into the plastics and the aluminium powder that contain aluminium 0.1～0.2%; (5), collect the plastics that contain certain aluminium of step (2) and step (4), send into alkalization equipment, add sodium hydroxide solution and remove aluminium contained in the plastics, then through washing, obtain pure plastics after dewatering; (6), collect the aluminium powder of step (4) preparation.
2, recovery technique of waste medicine sheet as claimed in claim 1 is characterized in that: the weight percent concentration of sodium hydroxide solution is 15～30% in the described step (5).
3, recovery technique of waste medicine sheet as claimed in claim 2 is characterized in that: the weight ratio of described sodium hydroxide solution and plastics is 5～10: 1000.
4, as each described recovery technique of waste medicine sheet of claim 1 to 3, it is characterized in that: the temperature in the described thermal decomposition machine is 220～280 ℃, and the rotating speed of thermal decomposition machine is 900～1100 rev/mins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101411744A CN101352720B (en) | 2008-08-28 | 2008-08-28 | Recovery technique of waste medicine sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101411744A CN101352720B (en) | 2008-08-28 | 2008-08-28 | Recovery technique of waste medicine sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101352720A true CN101352720A (en) | 2009-01-28 |
| CN101352720B CN101352720B (en) | 2010-07-14 |
Family
ID=40305882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101411744A Expired - Fee Related CN101352720B (en) | 2008-08-28 | 2008-08-28 | Recovery technique of waste medicine sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101352720B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109059A (en) * | 2014-07-28 | 2014-10-22 | 福建海峡科化股份有限公司 | Automatic stripping and recycling device for waste cartridges of powder ammonium nitrate explosives |
| CN108889762A (en) * | 2018-06-19 | 2018-11-27 | 刘悉承 | A kind of processing method of pharmaceuticals industry waste residue |
-
2008
- 2008-08-28 CN CN2008101411744A patent/CN101352720B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109059A (en) * | 2014-07-28 | 2014-10-22 | 福建海峡科化股份有限公司 | Automatic stripping and recycling device for waste cartridges of powder ammonium nitrate explosives |
| CN104109059B (en) * | 2014-07-28 | 2016-04-13 | 福建海峡科化股份有限公司 | Powder ammonium nitrate explosive gives up the automatic peeling and recovering equipment of powder stick |
| CN108889762A (en) * | 2018-06-19 | 2018-11-27 | 刘悉承 | A kind of processing method of pharmaceuticals industry waste residue |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101352720B (en) | 2010-07-14 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUAXIAN WEIEN WOOD-PLASTIC CO., LTD. Free format text: FORMER OWNER: JU FENG Effective date: 20131106 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131106 Address after: Henan province Huaxian River Road 456400 Road Town Health No. 1 Patentee after: Huaxian Wayne Wood Co. Ltd. Address before: Huaxian 456400 Henan province Zhao Ying Xiang Zhao Ying Cun 1 Patentee before: Ju Feng |
|
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ju Feng Inventor after: Shi Tiejun Inventor before: Ju Feng |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: JU FENG TO: JU FENG SHI TIEJUN |
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| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 456400 Huaxian, Henan province Wei River Road, No. 1, No. Patentee after: Henan Weien Wood-Plastic Composites Co., Ltd. Address before: Henan province Huaxian River Road 456400 Road Town Health No. 1 Patentee before: Huaxian Wayne Wood Co. Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100714 Termination date: 20190828 |