CN103965507A - Recovery system and recovery process for waste cigarette diacetate fiber filter stick - Google Patents
Recovery system and recovery process for waste cigarette diacetate fiber filter stick Download PDFInfo
- Publication number
- CN103965507A CN103965507A CN201410193133.5A CN201410193133A CN103965507A CN 103965507 A CN103965507 A CN 103965507A CN 201410193133 A CN201410193133 A CN 201410193133A CN 103965507 A CN103965507 A CN 103965507A
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- CN
- China
- Prior art keywords
- filter stick
- diacetate fiber
- discarded
- paper
- fiber filter
- 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
- 229920006239 diacetate fiber Polymers 0.000 title claims abstract description 76
- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 64
- 238000011084 recovery Methods 0.000 title claims abstract description 29
- 239000002699 waste material Substances 0.000 title abstract description 6
- 239000000835 fiber Substances 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 15
- 239000000428 dust Substances 0.000 claims abstract description 15
- 238000012856 packing Methods 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 238000010298 pulverizing process Methods 0.000 claims abstract description 5
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 238000012216 screening Methods 0.000 claims abstract description 3
- 235000011194 food seasoning agent Nutrition 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 238000009736 wetting Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 19
- 239000003960 organic solvent Substances 0.000 abstract description 5
- 238000005507 spraying Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000002994 raw material Substances 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 229920002301 cellulose acetate Polymers 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 235000021190 leftovers Nutrition 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 229920001747 Cellulose diacetate Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000019506 cigar Nutrition 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000010909 process residue Substances 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
- 238000007873 sieving Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a recovery system and a recovery process for a waste cigarette diacetate fiber filter stick. The recovery system comprises an unpacking system (1), a conveyor belt (2) with a spraying system, a paper removing system, a stirrer (6), a drying box (7), a fiber pulverizer (8), a fiber-dust separator (9) and a packer (10), which are arranged in sequence. The recovery process comprises the following steps: feeding the waste cigarette diacetate fiber filter stick into the unpacking system for unpacking and impurity removing, feeding the unpacked stick into the conveyor belt with the spraying system to be wetted and conveyed, conveying the wetted stick to the paper removing system to remove molded paper, conveying to a stirrer for stirring, conveying to the drying box for drying with hot air, when the moisture in the waste cigarette diacetate fiber filter stick is 8% below, conveying to the fiber pulverizer for pulverizing, conveying to the fiber-dust separator by wind power for screening, performing fiber-dust separation, obtaining the recovered diacetate fibers, and at last conveying by wind power for packing. The recovery system and the recovery process have the benefits that the process is simple; the molded paper is removed thoroughly; the fibers can be dissociated completely; the process needs no organic solvent, so that the process is safe and reliable.
Description
Technical field
The invention belongs to the discarded diacetate fiber filter stick recovery technology of cigarette field.
Background technology
Cellulose acetate tow is a kind of good filter material of cigarette recognized within the industry, is widely used so far always.The production capacity of the domestic Cellulose acetate tow of China only reaches 70% left and right of demand, and remaining 30% is filled up by import Cellulose acetate tow and polypropylene fibre for cigarettes tow.But but the existence that has a large amount of cigarettes use to discard diacetate fiber filter stick approximately produces 0.6 ten thousand tons of discarded diacetate fiber filter sticks for cigarette every year.Cigarette is mainly to entrust to burn and landfill by the processing mode of discarded diacetate fiber filter stick at present, and approximately 300 yuan/ton of processing costs form huge energy consume and environmental pollution.Recycling to cigarette with discarded diacetate fiber filter stick, meets national energy-saving consumption reduction, controls the fundamental state policy of polluting, and has significant social value.The cigarette of domestic generation all concentrates on cigarette enterprise and filter stick manufacturing enterprise with discarded diacetate fiber filter stick, comparatively concentrated.And cigarette can obtain comparatively pure cellulose diacetate fibers with discarded diacetate fiber filter stick after removal of impurities is processed, and its material quality is higher, can be used as diacetate fiber raw materials for production, is applied in industrial production.Therefore, cigarette has larger using value as diacetate fiber raw materials for production after treatment with discarded diacetate fiber filter stick, and then has significant economic worth.
Reclaim at present discarded diacetate fiber filter stick for cigarette, mainly take the techniques such as cotton spinning opening or cleaning combing slivering, comminution by gas stream and organic solvent cleaning, there is complex process in recovery process, energy consumption is high, raw material availability is low and the problem such as with an organic solvent.Chinese patent application CN1032283A " with manufacture of cigarette filter rod by physically reclaiming waste material " adopts the physical method such as opening or cleaning, combing slivering in cotton spinning engineering, adds the diacetate fiber process residue producing man-hour and obtain regeneration to make filter tip stick while making cigar mill's filter tip stick moulding.This complex process, raw material availability are low, shell in addition paper time limitation under discarded filter tip stick in machine two hours.Chinese patent application CN1839718A " discarded acetate fibre ablution method " takes the more than 80% ethanol cleaning way of concentration to reclaim discarded diacetate fiber.Although this technique is simple, practical application effect is undesirable, is mainly because the discarded filter stick of cigarette is pulverized aftershaping paper can not all be removed, and affects follow-up use, owing to using high concentration ethanol, has potential safety hazard in the time producing simultaneously.Chinese patent application CN101337230A " defective cigarette holder processing and recovering technique " takes to break up and sieving technology, and the filter tip of discarded cigarette is separated.The filter tip that this technique reclaims is not fully separated fine, and staple length is short, and range of application is very limited.Chinese patent application CN101660281A " utilizing cigarette filter rod leftovers to prepare the method for paper making raw material " adopts and cuts off and gas flow crushing process, and cigarette filter rod leftovers is carried out to ultra micro multi-stage crushing.The discarded diacetate fiber that this technique reclaims, owing to not removing filter stick formation paper, is mixed with a large amount of forming paper paper scraps in raw material, range of application is received restriction.Chinese patent application CN101717524A " recovery method of cellulose acetate in waste acetate fibre fibre beam filtertip leftover bits and pieces " takes the milk sap that soaks organic solvent DMF (DMF), acetic acid, acetonitrile or methyl-sulphoxide (DMSO) to reclaim diacetate fiber.Although this technique is simple, uses a large amount of organic toxic solution, causes environmental pollution.
Summary of the invention
The object of the invention is to solve the problem that above-mentioned prior art exists, provide that a kind of technique is simple, forming paper is removed thoroughly, can fully separate fibre and not with an organic solvent, safe and reliable discarded diacetate fiber filter stick recovery system and recovery process thereof for cigarette.In order to address the above problem, the technical solution used in the present invention is: the invention provides discarded diacetate fiber filter stick recovery process for a kind of cigarette, described recovery process is to adopt the discarded diacetate fiber filter stick of cigarette to be prepared into diacetate fiber except paper-oven dry-pulverizing-screening-packing process.
Object of the present invention is achieved through the following technical solutions:
Discarded diacetate fiber filter stick recovery system for cigarette, includes system for opening package that order arranges, with the conveying belt of sprinkling system, except paper system, agitator, drying baker, fiber pulverizer, fine dust separator, packing machine.
The described paper system that removes is made up of the paper removing machine sequentially arranging, secondary paper removing machine, three paper removing machines.
Discarded diacetate fiber filter stick recovery process for cigarette, its processing step is as follows:
1. cigarette is sent into system for opening package with discarded diacetate fiber filter stick bag and open bag, removal of impurities;
2. the cigarette of opening after 1. step opens bag is delivered to the conveying belt of sprinkling system and soaked and carry with discarded diacetate fiber filter stick;
3. the cigarette 2. soaking through step is used discarded diacetate fiber filter stick sequentially-fed to except in paper system, removed the forming paper of parcel diacetate fiber filter stick;
4. will be transported in agitator and stir with discarded diacetate fiber filter stick except the cigarette after paper;
5. be transported in drying baker 4. stir the discarded diacetate fiber filter stick of complete cigarette through step, carry out hot-air seasoning, output after cigarette reaches below 8% with discarded diacetate fiber filter stick moisture;
6. by moisture, the cigarette below 8% is transported to fiber pulverizer with discarded diacetate fiber filter stick and pulverizes;
7. the cigarette of pulverizing is transported in fine dust separator and is sieved by wind-force with discarded diacetate fiber, carry out fine dust separation, be recycled diacetate fiber;
8. 7. step being sieved to the diacetate fiber obtaining is transported in packing machine and is packed by wind-force.
Above-mentioned steps 3. described removal forming paper is that the discarded diacetate fiber filter stick of wetting cigarette is transported in a paper removing machine, once be transported in secondary paper removing machine except after paper, secondary is transported in three paper removing machines except after paper, progressively the forming paper of parcel diacetate fiber filter stick is removed clean.
Technique of the present invention is simple, efficient, production cost is low, pollution-free, the diacetate fiber applied range obtaining after processing.Adopt technical solution of the present invention, cigarette fully can be reclaimed with discarded diacetate fiber filter stick, be again used for industrial production as raw material, reclaim the discarded diacetate fiber of cigarette obtaining and can meet industrial raw material production requirement.
Brief description of the drawings
Fig. 1 is recovery system schematic diagram of the present invention;
Fig. 2 is recovery process schema of the present invention.
In Fig. 1: 1. system for opening package, 2. with the conveying belt of sprinkling system, a 3. paper removing machine, 4. two paper removing machines, 5. three paper removing machines, 6. agitator, 7. drying baker, 8. fiber pulverizer, 9. fine dust separator, 10. hydraulic press-packing.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the invention will be further elaborated.
As shown in Figure 1, cigarette of the present invention with discarded diacetate fiber filter stick recovery system include system for opening package 1 that order arranges, with the conveying belt 2 of sprinkling system, except paper system, agitator 6, drying baker 7, fiber pulverizer 8, fine dust separator 9, packing machine 10.Described system for opening package can adopt automatic charging system for opening package.The described conveying belt with sprinkling system is stainless (steel) wire belt conveyor, and conveying belt top is with several stainless steel shower nozzles, and shower nozzle injection flow rate and quantity can control.Describedly can be formed by the paper removing machine 3 sequentially arranging, secondary paper removing machine 4, three paper removing machines 5 except paper system.Described agitator is mechanical stirrer.Drying baker is conveyor dryer, 15 meters of the dry segment lengths of drying baker of the present embodiment, 1.6 meters of conveying belt bandwidth, steam consumption quantity 150～375kg/h, dry tenacity 80-220kg water/h.Fiber pulverizer can adopt high speed Universalpulverizer, 3000～5000 revs/min of pulverizer revolutions; Fine dust separator is drum-type separator, 6～15 of cylinder numbers, cylinder aperture 1～5mm.Packing machine can adopt common hydraulic press-packing.System for opening package 1, all can adopt prior art equipment with the conveying belt 2 of sprinkling system, paper removing machine 3, secondary paper removing machine 4, three paper removing machines 5, agitator 6, drying baker 7, fiber pulverizer 8, fine dust separator 9, packing machinees 10.
As shown in Figure 2, cigarette of the present invention is as follows by the concrete steps of discarded diacetate fiber filter stick recovery process:
1. the cigarette that breaks into bag is sent into system for opening package 1 with discarded diacetate fiber filter stick bag and open bag, removal of impurities;
2. the cigarette of opening after 1. step opens bag is delivered to equably with the conveying belt 2 of sprinkling system and soaked and carry with discarded diacetate fiber filter stick; 5 ms/min of the belt speed of control conveying belt 2, arrange 6 shower nozzles in sprinkling system;
3. the cigarette 2. soaking through step is used discarded diacetate fiber filter stick sequentially-fed to except in paper system, removed the forming paper of parcel diacetate fiber filter stick.The present embodiment is that the discarded diacetate fiber filter stick of wetting cigarette is transported in a paper removing machine 3, once be transported in secondary paper removing machine 4 except after paper, secondary is transported in three paper removing machines 5 except after paper, step by step the forming paper of parcel diacetate fiber filter stick is removed clean; 500 revs/min of paper removing machine revolutions, 1000 revs/min of secondary paper removing machine revolutions, 1500 revs/min of three paper removing machine revolutions;
4. three times are transported in agitator 6 and are stirred with discarded diacetate fiber filter stick except the cigarette after paper; Centrifugal stirrer rotating speed is 1000 revs/min;
5. be transported in drying baker 7 4. stir the discarded diacetate fiber filter stick of complete cigarette through step, carry out hot-air seasoning, output after cigarette reaches below 8% with discarded diacetate fiber filter stick moisture; In drying baker, carry cigarette to be controlled at 1 m/min of left and right with the conveyer tape speed of discarded diacetate fiber filter stick, bake out temperature is 120 DEG C of left and right;
6. be transported to fiber pulverizer 8 with discarded diacetate fiber filter stick and pulverize drying to moisture the cigarette below 8%; Controlling pulverizer rotating speed is 3000 revs/min～5000 revs/min, the staple length 3～5mm after pulverizing;
7. the cigarette of pulverizing is transported to screening in fine dust separator 9 with discarded diacetate fiber by wind-force, carries out fine dust separation, be recycled diacetate fiber;
8. 7. step is sieved to the diacetate fiber obtaining and be transported in packing machine 10 and pack by wind-force, complete whole recovery process.
The production capacity of technique of the present invention can reach 60kg/h, and finished product yield >=70%, except paper rate >=99%.Fiber after this art breading can be as industry production raw materials such as papermaking, micelle, non-woven fabrics and chemical fibres.
Claims (4)
1. discarded diacetate fiber filter stick recovery system for cigarette, it is characterized in that, include system for opening package (1) that order arranges, with the conveying belt (2) of sprinkling system, except paper system, agitator (6), drying baker (7), fiber pulverizer (8), fine dust separator (9), packing machine (10).
2. discarded diacetate fiber filter stick recovery system for cigarette according to claim 1, it is characterized in that, the described paper system that removes is made up of the paper removing machine (3) sequentially arranging, secondary paper removing machine (4), three paper removing machines (5).
3. adopt the recovery process of discarded diacetate fiber filter stick recovery system for cigarette as claimed in claim 1 or 2, it is characterized in that, processing step is as follows:
1. cigarette is sent into system for opening package (1) with discarded diacetate fiber filter stick bag and open bag, removal of impurities;
2. the cigarette of opening after 1. step opens bag is soaked and carried with the conveying belt (2) that discarded diacetate fiber filter stick is delivered to sprinkling system;
3. the cigarette 2. soaking through step is used discarded diacetate fiber filter stick sequentially-fed to except in paper system, removed the forming paper of parcel diacetate fiber filter stick;
4. will be transported in agitator (6) and stir with discarded diacetate fiber filter stick except the cigarette after paper;
5. be transported in drying baker (7) 4. stir the discarded diacetate fiber filter stick of complete cigarette through step, carry out hot-air seasoning, output after cigarette reaches below 8% with discarded diacetate fiber filter stick moisture;
6. by moisture, the cigarette below 8% is transported to fiber pulverizer (8) with discarded diacetate fiber filter stick and pulverizes;
7. the cigarette of pulverizing is transported to screening in fine dust separator (9) with discarded diacetate fiber by wind-force, carries out fine dust separation, be recycled diacetate fiber;
8. 7. step being sieved to the diacetate fiber obtaining is transported in packing machine (10) and is packed by wind-force.
4. discarded diacetate fiber filter stick recovery process for cigarette according to claim 3, it is characterized in that, above-mentioned steps 3. described removal forming paper is that the discarded diacetate fiber filter stick of wetting cigarette is transported in a paper removing machine (3), once be transported in secondary paper removing machine (4) except after paper, secondary is transported in three paper removing machines (5) except after paper, progressively the forming paper of parcel diacetate fiber filter stick is removed clean.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410193133.5A CN103965507B (en) | 2014-05-08 | 2014-05-08 | Recovery system and recovery process for waste cigarette diacetate fiber filter stick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410193133.5A CN103965507B (en) | 2014-05-08 | 2014-05-08 | Recovery system and recovery process for waste cigarette diacetate fiber filter stick |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103965507A true CN103965507A (en) | 2014-08-06 |
| CN103965507B CN103965507B (en) | 2017-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410193133.5A Active CN103965507B (en) | 2014-05-08 | 2014-05-08 | Recovery system and recovery process for waste cigarette diacetate fiber filter stick |
Country Status (1)
| Country | Link |
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| CN (1) | CN103965507B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106366339A (en) * | 2016-08-27 | 2017-02-01 | 湖北新阳特种纤维股份有限公司 | Method for recovering and utilizing cellulose diacetate waste filter rod in cigarette |
| CN111822484A (en) * | 2020-07-03 | 2020-10-27 | 云南长宜科技有限公司 | Regeneration method and application of waste acetate fiber filter stick |
| CN112871970A (en) * | 2021-01-11 | 2021-06-01 | 焦作金叶醋酸纤维有限公司 | Waste cigarette filter stick recycling device and method |
| CN113664024A (en) * | 2021-09-14 | 2021-11-19 | 云南恒罡科技有限公司 | Device and method for recycling waste filter sticks of cigarettes |
| CN113815151A (en) * | 2021-09-14 | 2021-12-21 | 云南恒罡科技有限公司 | Method for recovering discarded filter rods of cigarettes |
| CN116349918A (en) * | 2023-03-22 | 2023-06-30 | 云南巴菰生物科技股份有限公司 | Recycling method of filter stick for waste cigarettes |
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| EP0595184A1 (en) * | 1992-10-27 | 1994-05-04 | Hoechst Celanese Corporation | Recycling cellulose esters from the waste from cigarette manufacture |
| US5504119A (en) * | 1993-04-30 | 1996-04-02 | Hoechst Celanese Corporation | Recycling cellulose esters from the waste from cigarette manufacturing |
| WO2007035749A2 (en) * | 2005-09-19 | 2007-03-29 | Blake Burich | Process and method for recycling cigarette butts |
| CN201334585Y (en) * | 2008-12-25 | 2009-10-28 | 叶为全 | Non-woven production line for recycling acetate fiber tows of filter rod |
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2014
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Patent Citations (6)
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| CN1063725A (en) * | 1991-06-23 | 1992-08-19 | 湖南省常德市鼎城化纤厂 | Smoke diacetate fiber reclaims regenerating technology and equipment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106366339A (en) * | 2016-08-27 | 2017-02-01 | 湖北新阳特种纤维股份有限公司 | Method for recovering and utilizing cellulose diacetate waste filter rod in cigarette |
| CN106366339B (en) * | 2016-08-27 | 2017-08-25 | 湖北新阳特种纤维股份有限公司 | A kind of useless filter stick recoverying and utilizing method of Cellulose acetate element |
| CN111822484A (en) * | 2020-07-03 | 2020-10-27 | 云南长宜科技有限公司 | Regeneration method and application of waste acetate fiber filter stick |
| CN112871970A (en) * | 2021-01-11 | 2021-06-01 | 焦作金叶醋酸纤维有限公司 | Waste cigarette filter stick recycling device and method |
| CN113664024A (en) * | 2021-09-14 | 2021-11-19 | 云南恒罡科技有限公司 | Device and method for recycling waste filter sticks of cigarettes |
| CN113815151A (en) * | 2021-09-14 | 2021-12-21 | 云南恒罡科技有限公司 | Method for recovering discarded filter rods of cigarettes |
| CN116349918A (en) * | 2023-03-22 | 2023-06-30 | 云南巴菰生物科技股份有限公司 | Recycling method of filter stick for waste cigarettes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103965507B (en) | 2017-05-17 |
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Inventor after: Yao Zhen Yu Inventor after: Li Jingquan Inventor after: Shen Jingxuan Inventor after: Li Jinhua Inventor before: Li Jingquan Inventor before: Yao Zhen Yu Inventor before: Shen Jingxuan Inventor before: Li Jinhua |
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Free format text: CORRECT: INVENTOR; FROM: LI JINGQUAN YAO ZHENYU SHEN JINGXUAN LI JINHUA TO: YAO ZHENYU LI JINGQUAN SHEN JINGXUAN LI JINHUA |
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Denomination of invention: Recycling system and process for waste diacetate fiber filter rods used in cigarettes Granted publication date: 20170517 Pledgee: Huaxia Bank Co.,Ltd. Kunming High tech Branch Pledgor: YUNNAN REASCEND TOBACCO TECHNOLOGY (Group) Co.,Ltd. Registration number: Y2024980016606 |