CN101864608B - Production method for regenerating secondary acetate filament bundles by waste cellulore filament bundles - Google Patents
Production method for regenerating secondary acetate filament bundles by waste cellulore filament bundles Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical group CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 title claims abstract description 27
- 230000001172 regenerating effect Effects 0.000 title claims abstract description 24
- 239000002699 waste material Substances 0.000 title abstract description 15
- 238000009987 spinning Methods 0.000 claims abstract description 60
- 238000001035 drying Methods 0.000 claims abstract description 48
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 33
- 238000004140 cleaning Methods 0.000 claims abstract description 24
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- 239000000839 emulsion Substances 0.000 claims abstract description 17
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 238000002360 preparation method Methods 0.000 claims abstract description 11
- 239000008041 oiling agent Substances 0.000 claims abstract description 7
- 238000002788 crimping Methods 0.000 claims abstract description 5
- 239000002904 solvent Substances 0.000 claims abstract description 5
- 229920006239 diacetate fiber Polymers 0.000 claims description 127
- 238000005406 washing Methods 0.000 claims description 30
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 238000004090 dissolution Methods 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 8
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- 235000010446 mineral oil Nutrition 0.000 claims description 7
- 239000003921 oil Substances 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 4
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- POULHZVOKOAJMA-UHFFFAOYSA-M dodecanoate Chemical compound CCCCCCCCCCCC([O-])=O POULHZVOKOAJMA-UHFFFAOYSA-M 0.000 claims description 3
- 229940070765 laurate Drugs 0.000 claims description 3
- 239000000600 sorbitol Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000007796 conventional method Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 20
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- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012372 quality testing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 description 2
- 229920002101 Chitin Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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Abstract
The invention discloses a production method for regenerating secondary acetate filament bundles by waste cellulore filament bundles. The production method adopts the dry method spinning process to process the waste cellulore filament bundles; the method comprises: firstly, cleaning the waste cellulore filament bundles with water and detergent in a cleaning machine, and drying; after drying, sequentially carrying out swelling, dissolving, filtering and defoaming on the dried waste cellulore filament bundles to obtain a spinning stock solution; spinning the spinning stock solution in a spinning machine; after spinning, adding oiling agent emulsion onto the obtained secondary acetate filament bundles for cigarettes, and curling and drying in a crimping machine; and finally, carrying out package by utilizing a packer. In the preparation process, solvent acetone is recovered by carrying out adsorption, analysis and rectification on the basis of a common method. The technical scheme of the invention can prepare a great quantity of the waste secondary acetate filament bundles in the working procedures of making rods and cigarettes into the secondary acetate filament bundles for making the cigarettes, the secondary acetate filament bundles are used in the working procedures of making the rods and the cigarettes again, and the raw materials thereof are furthest applied. The invention changes the waste acetate filament bundles into valuables and has obvious economic benefit.
Description
One, technical field:
The present invention relates to the preparation method of a kind of cigarette, particularly relate to a kind of production method of utilizing useless diacetate fiber regenerating secondary acetate tow with the diacetate fiber tow.
Two, background technology:
China's tobacco industry needs a large amount of diacetate fiber tow (being called for short two diacetate fibers) making cigarettes to use filter tip, and China's major part is gone back dependence on import at present, because it costs an arm and a leg, needs a large amount of foreign exchanges.It is reported that in two diacetate fiber systems rod and cigarette working procedure, can produce a large amount of waste silk bundle and underproof filter stick, two discarded diacetate fibers account for raw-material 3%.At present, these useless diacetate fiber tow major parts are handled as refuse or cotton type of filler, thus since, not only caused very big economic loss, but also can cause environmental pollution.
At present, whole world cigarette has reached nearly 550,000 tons with the annual production of diacetate fiber tow, and cigarette has all been realized filter tipization.Though polypropylene and other cigarettes are used filtering material, constantly initiate challenge to diacetate fiber, diacetate fiber is accepted extensively by people, thereby it is more firmly dominated the market with the filter poison characteristic that it can not be substituted, and tow production is also to thin dawnization, automation development.
The extensive use of diacetate fiber tow will constantly produce a large amount of useless diacetate fibers in its system rod and cigarette process, in order to improve the utilization rate of diacetate fiber tow as far as possible, reduce economic loss.So the recycling of useless diacetate fiber is the technical problem that presses for solution at present.
Because make that cigarette is big with diacetate fiber technical sophistication, difficulty, investment greatly, have a big risk.If adopting useless diacetate fiber is that raw material is made cigarette and use the diacetate fiber tow,, will inevitably increase its technical difficulty because of containing a large amount of impurity that are unfavorable for spinning in the diacetate fiber that gives up.JIaozuo City Cigarette Material Co., Ltd. successfully develops a kind of technology through dry spinning through studying for a long period of time, utilizes useless diacetate fiber to prepare the method for cigarette with two diacetate fibers.
Pertinent literature about diacetate fiber tow preparing Preparation Method is quite a few, and for example: 1, application number is 200410014465.9, denomination of invention is the production method of a kind of chitin modified cigarette with the diacetate fiber tow, in the present invention; Adopt shitosan as modifier, suitably regulate hydrophilic surfactant active's content, can improve the stable emulsifying time; Technology is simple, and good stability need not add other antiseptic in the technical process; Tar class harmful substance in the ability effectively catching cigarette smoke improves the cigarette class, alleviates smoking and healthy contradiction; Therefore, have important society and environmental benefit.2, application number is 91106733.7, denomination of invention is that smoke diacetate fiber reclaims regenerating technology and equipment; This invention is adopted the wet method spinning process that smoke diacetate fiber is reclaimed to respin and is produced regeneration two diacetate fibers; Comprise dissolving, press filtration, deaeration, spinning, oil, curl, dry and pack eight procedures, capital equipment respond still, filter press, spinning machine, stretching-machine, crimping machine, dryer and baling press.The quality of two diacetate fibers of regenerating meets the requirement of cigarette system rod, and the three wastes do not appear in the remarkable in economical benefits of waste recovery in process of production, and the rate of recovery reaches 95%, and the present invention is used for reclaiming the smoke diacetate fiber of respinning.
Three, summary of the invention:
The technical problem that the present invention will solve provides a kind of production method of utilizing useless diacetate fiber regenerating secondary acetate tow.Through technical scheme of the present invention, can the diacetate fiber tow that give up be reclaimed, be reused in system rod and the production of cigarettes operation.Reclaim the cigarette that obtains can satisfy system rod and cigarette fully with the diacetate fiber tow requirement through technical scheme of the present invention.
In order to address the above problem, the technical scheme that the present invention adopts is:
The present invention provides a kind of production method of utilizing useless diacetate fiber regenerating secondary acetate tow; Said production method is to adopt the dry method spinning process diacetate fiber that will give up to be prepared into cigarette and to use the diacetate fiber tow; This production method comprises preparation, the spinning of spinning solution, oil, curl, finalize the design dry, packing and solvent recovery, and especially: useless diacetate fiber cleans earlier before the preparation spinning solution, drying, and said cleaning is that useless diacetate fiber is added entry and washing agent cleans in cleaning machine; The addition of water is 6～10 times of useless diacetate fiber total amount; The addition of washing agent accounts for 0.5～10 ‰ of useless diacetate fiber total amount, and washing temperature is 50～55 ℃ during cleaning, and the washing time is 10～20 minutes; Useless diacetate fiber after will cleaning then carries out drying, moisture content≤6% of the useless diacetate fiber in dry back.
According to the production method of the useless diacetate fiber regenerating secondary acetate tow of above-mentioned utilization, said useless diacetate fiber is useless diacetate fiber tow; Said washing agent is an ethanol; Adopt the chain-plate type drying machine to carry out drying when the diacetate fiber that will give up after the said cleaning carries out drying, baking temperature is 90～120 ℃.
According to the production method of the useless diacetate fiber regenerating secondary acetate tow of above-mentioned utilization, the preparation of said spinning solution is in the useless diacetate fiber that cleans, obtains after the drying, to add acetone and spin finish aid carries out swelling, dissolving, filtration and deaeration successively; Said useless diacetate fiber adds that the concentration that forms solution behind the acetone is 26～29%, viscosity is 15～60Pas, and moisture content is 3～5% in the solution; The addition of said spin finish aid accounts for 0.2～0.3% of useless diacetate fiber total amount.
According to the production method of the useless diacetate fiber regenerating secondary acetate tow of above-mentioned utilization, said spin finish aid is a mineral oil; Said swelling is in the swelling machine, to carry out, and its swelling temperature is 8～10 ℃, and swelling time is 30～40 minutes; Said dissolving is that the useless diacetate fiber that obtains after the swelling is dissolved in dissolution kettle, and solution temperature is 45～52 ℃ during dissolving, and dissolution time is 8～12 hours; Said filtration is to adopt stainless steel sheet frame filter to carry out two roads to filter; Said deaeration is that the useless diacetate fiber that obtains after filtering is carried out deaeration in the deaeration still, and the deaeration temperature is 50～52 ℃, the deaeration time be 24～30 hours/inferior.
Production method according to the useless diacetate fiber regenerating secondary acetate tow of above-mentioned utilization; Said spinning is that the spinning solution that obtains after the deaeration is carried out spinning in spinning machine, and precompressed is 2.0～2.5Mpa before spinning in the said spinning process, the measuring pump pressure 3.0～5.0Mpa of spinning machine; The spinneret cap specification is 0.057 Δ * 325; Spinning head portion temperature is 60～75 ℃, and the path EAT is 75～90 ℃, and the path leaving air temp is 50～54 ℃; Draw ratio is 0.9～1.1%, and spinning silk winding speed is 400～600 meters/minute.
Production method according to the useless diacetate fiber regenerating secondary acetate tow of above-mentioned utilization; Said oiling is oiling agent emulsion on the diacetate fiber tow surface that obtains after the spinning; The addition of said finish emulsion accounts for 0.8～1.5% of gained diacetate fiber tow total amount; The concentration of institute's oiling agent emulsion is 6～8%, and the temperature of finish is 30～40 ℃.
According to the production method of the useless diacetate fiber regenerating secondary acetate tow of above-mentioned utilization, represent that with weight percentage said finish emulsion is made up of 5.2～5.8% atoleine, 1.5～2.0% anhydrous sorbitol mono laurate fat and the water of surplus.
According to the production method of the useless diacetate fiber regenerating secondary acetate tow of above-mentioned utilization, said curling is in crimping machine, to carry out, and curling wheel load is 0.1～0.5Mpa, and it is 0.05～0.1Mpa that crimper is pressed.
According to the production method of the useless diacetate fiber regenerating secondary acetate tow of above-mentioned utilization, said typing drying is that the diacetate fiber tow after curling is carried out drying in the chain-plate type drying machine, and baking temperature is 90～120 ℃, and be 10～20 minutes drying time; It is 6 ± 2% that dry back gained cigarette uses the moisture content of diacetate fiber tow.
According to the production method of the useless diacetate fiber regenerating secondary acetate tow of above-mentioned utilization, said solvent recovery be according to conventional method adsorb successively, parsing and rectifying.
Involved useless diacetate fiber all refers to make the useless diacetate fiber tow that produces in rod and the cigarette process among the present invention.
Positive beneficial effect of the present invention:
1, through technical scheme of the present invention; Adopting the dry method spinning process will make the diacetate fiber tow that give up in a large number that produce in rod and the cigarette working procedure is prepared into cigarette and uses the diacetate fiber tow; Again be applied in system rod and the cigarette working procedure, its raw material is got the maximum degree of application.The present invention's diacetate fiber tow that will give up is turned waste into wealth its remarkable in economical benefits.
2, the present invention will give up earlier, and diacetate fiber adds entry in cleaning machine and washing agent cleans, and therefrom removes a large amount of impurity (triacetyl glycerine, finish and other materials), and the removal of these impurity can improve the spinnability and the stability of spinning process of spinning solution.Utilize technical scheme of the present invention to reclaim the cigarette that obtains and use the diacetate fiber tow, its quality can meet the demands fully.Reclaim the cigarette obtain through the present invention and see table one for details with the quality testing data of diacetate fiber tow.
Table one performance of products testing result of the present invention
| Project | Unit | Actual measurement | Remarks |
| Monofilament linear density | dtex | 3.30～3.50 | |
| Tow line density | ktex | 3.8～3.9 | |
| The tow fracture strength | N | 78～96 | |
| Crispation number | Individual/25mm | 22～26 | |
| Crimpness | ％ | 18～22 | |
| Cross sectional shape | The Y type | ||
| Whiteness | Degree | 78.8 | |
| Rate oils | ％ | 1.09～1.2 |
3, the cigarette that utilizes technical scheme recovery of the present invention to obtain can satisfy the requirement (seeing table two for details) of producing filter stick fully with the diacetate fiber tow.
Table two utilizes product of the present invention to carry out the filter rod quality testing result that moulding obtains
| The project testing result | Length (mm) | Circumference (mm) | Weight (g) | Moisture (%) | Resistance to suction (Pa) | Hardness (%) | Outward appearance |
| Mean value | 120 | 24.26 | 8.58 | 5.3 | 3558 | 90.6 | Qualified |
4, the present invention be adopt the dry method spinning process with the waste silk bundle through cleanings, drying, swelling, dissolving, filtration, deaeration, spinning, oil, after the curling and dried of finalizing the design; Obtain cigarette and use the diacetate fiber tow; In whole process of preparation, do not have three waste discharge, the rate of recovery of its useless diacetate fiber tow reaches more than 85% (because also having partial impurities in the useless fibre bundle).
Four, the specific embodiment:
Following examples have been merely and have further specified the present invention, do not limit content of the present invention.
Embodiment 1: a kind of production method of utilizing useless diacetate fiber regenerating secondary acetate tow
Referring to accompanying drawing 1, the present invention utilizes the production method of useless diacetate fiber regenerating secondary acetate tow, and its detailed step is following:
A, cleaning, drying: the diacetate fiber that will give up (useless diacetate fiber tow) in cleaning machine, adds entry and washing agent (ethanol) cleans; The addition of water is 8 times of waste silk bundle total amount, and the addition of washing agent (ethanol) accounts for 3 ‰ of useless diacetate fiber total amount, and washing temperature is 52 ℃ during cleaning; The washing time is 15 minutes; Useless diacetate fiber after will cleaning then adopts the chain-plate type drying machine to carry out drying, and baking temperature is 100 ℃, moisture content≤6% of dry back waste silk bundle;
The preparation of b, spinning solution: the useless diacetate fiber that obtains after step a cleaning, the drying is added acetone and spin finish aid mineral oil earlier form solution (mineral oil is the existing product of selling on the market); Useless diacetate fiber adds that the concentration that forms solution behind the acetone is 26～29%, viscosity is 15～60Pas; Moisture content is 3～5% in the solution, and the addition of spin finish aid (mineral oil) accounts for 0.25% of useless diacetate fiber total amount; Then solution is carried out swelling in the swelling machine, swelling temperature is 9 ℃, and swelling time is 35 minutes; The useless diacetate fiber that obtains after the swelling is dissolved in dissolution kettle, and solution temperature is 50 ℃, dissolution time 9 hours; The dissolving back is adopted stainless steel sheet frame filter to carry out two roads and is filtered filter pressure 0.9～1.1Mpa; The useless diacetate fiber that obtains after filtering is carried out deaeration in the deaeration still, the deaeration temperature is 50 ℃ during deaeration, the deaeration time be 30 hours/inferior;
C, spinning: the spinning solution that obtains after the deaeration is carried out spinning in spinning machine, precompressed is 2.0～2.5Mpa before spinning in the spinning process, the measuring pump pressure 3.0～5.0Mpa of spinning machine; The spinneret cap specification is 0.057 Δ * 325; Spinning head portion temperature is 65～70 ℃, and the path EAT is 80～85 ℃, and the path leaving air temp is 50～52 ℃; Draw ratio is 1.0%, and spinning silk winding speed is 500～550 meters/minute;
D, oil: the oiling agent emulsion (is represented with weight percentage on the diacetate fiber tow surface that obtains after the spinning; Said finish emulsion is made up of 5.2～5.8% atoleine, 1.5～2.0% anhydrous sorbitol mono laurate fat and the water of surplus); The addition of said finish emulsion accounts for 1.2% of gained diacetate fiber tow total amount; The concentration of institute's oiling agent emulsion is 6～8%, and the temperature of finish is 34～36 ℃;
E, curling: the diacetate fiber tow that steps d is obtained carries out in crimping machine, and curling wheel load is 0.1～0.5Mpa, and it is 0.05～0.1Mpa that crimper is pressed;
F, typing drying: the curling diacetate fiber tow that obtains of step e is carried out drying in the chain-plate type drying machine, baking temperature is 100 ℃, and be 15 minutes drying time;
G, packing: dried diacetate fiber tow is packed on packing machine.
Embodiment 2: basic identical with embodiment 1, difference is:
Step a: the addition of water is 10 times of useless diacetate fiber total amount; The addition of washing agent ethanol accounts for 7 ‰ of useless diacetate fiber total amount, and washing temperature is 54 ℃ during cleaning, and the washing time is 12 minutes; When adopting the chain-plate type drying machine to carry out drying, baking temperature is 110 ℃;
Step b: the addition of spin finish aid mineral oil accounts for 0.2% of useless diacetate fiber total amount; Swelling temperature is 8 ℃, and swelling time is 40 minutes; Solution temperature is 52 ℃, dissolution time 8 hours; The deaeration temperature is 52 ℃, the deaeration time be 24 hours/inferior;
Step c: spinning head portion temperature is 60～65 ℃, and the path EAT is 85～90 ℃, and the path leaving air temp is 52～54 ℃, and draw ratio is 0.9%, and spinning silk winding speed is 550～600 meters/minute;
Steps d: the addition of finish emulsion accounts for 1.0% of gained diacetate fiber tow total amount, and the temperature of finish is 32～34 ℃;
Step f: when in the chain-plate type drying machine, carrying out drying, baking temperature is 120 ℃, and be 10 minutes drying time;
Embodiment 3: basic identical with embodiment 1, difference is:
Step a: the addition of water is 6 times of useless diacetate fiber total amount; The addition of washing agent ethanol accounts for 5 ‰ of useless diacetate fiber total amount, and washing temperature is 55 ℃ during cleaning, and the washing time is 10 minutes; When adopting the chain-plate type drying machine to carry out drying, baking temperature is 90 ℃;
Step b: the addition of spin finish aid mineral oil accounts for 0.3% of useless diacetate fiber total amount; Swelling temperature is 10 ℃, and swelling time is 30 minutes; Solution temperature is 45 ℃, dissolution time 12 hours; The deaeration temperature is 51 ℃, the deaeration time be 27 hours/inferior;
Step c: spinning head portion temperature is 70～75 ℃, and the path EAT is 75～80 ℃, and the path leaving air temp is 51～53 ℃, and draw ratio is 1.1%, and spinning silk winding speed is 400～450 meters/minute;
Steps d: the addition of finish emulsion accounts for 0.8% of gained diacetate fiber tow total amount, and the temperature of finish is 30～32 ℃;
Step f: when in the chain-plate type drying machine, carrying out drying, baking temperature is 90 ℃, and be 20 minutes drying time;
Embodiment 4: basic identical with embodiment 1, difference is:
Step a: the addition of water is 9 times of useless diacetate fiber total amount; The addition of washing agent ethanol accounts for 10 ‰ of useless diacetate fiber total amount, and washing temperature is 55 ℃ during cleaning, and the washing time is 10 minutes; When adopting the chain-plate type drying machine to carry out drying, baking temperature is 120 ℃;
Step b: solution temperature is 48 ℃, dissolution time 10 hours; The deaeration temperature is 52 ℃, the deaeration time be 26 hours/inferior;
Step c: spinning silk winding speed is 450～500 meters/minute;
Steps d: the addition of finish emulsion accounts for 1.5% of gained diacetate fiber tow total amount, and the temperature of finish is 38～40 ℃;
Embodiment 5: basic identical with embodiment 1, difference is:
Step a: the addition of water is 7 times of useless diacetate fiber total amount; The addition of washing agent ethanol accounts for 1 ‰ of useless diacetate fiber total amount, and washing temperature is 50 ℃ during cleaning, and the washing time is 20 minutes; When adopting the chain-plate type drying machine to carry out drying, baking temperature is 120 ℃;
Steps d: the addition of finish emulsion accounts for 1.4% of gained diacetate fiber tow total amount, and the temperature of finish is 36～38 ℃;
Embodiment 6: basic identical with embodiment 1, difference is:
Step a: the addition of water is 6 times of useless diacetate fiber total amount; The addition of washing agent ethanol accounts for 0.5 ‰ of useless diacetate fiber total amount, and washing temperature is 53 ℃ during cleaning, and the washing time is 13 minutes; When adopting the chain-plate type drying machine to carry out drying, baking temperature is 100 ℃;
Claims (5)
1. production method of utilizing useless diacetate fiber regenerating secondary acetate tow; Said production method comprise spinning solution preparation, spinning, dry, packing and solvent recovery oil, curl, finalize the design; It is characterized in that: useless diacetate fiber cleans earlier before the preparation spinning solution, drying; Said cleaning is that useless diacetate fiber is added entry and washing agent cleans in cleaning machine, and the addition of water is 6～10 times of useless diacetate fiber total amount, and the addition of washing agent accounts for 0.5～10 ‰ of useless diacetate fiber total amount; Washing temperature is 50～55 ℃ during cleaning; The washing time is 10～20 minutes, and the useless diacetate fiber after will cleaning then carries out drying, moisture content≤6% of the useless diacetate fiber in dry back;
The preparation of said spinning solution is in the useless diacetate fiber that cleans, obtains after the drying, to add acetone and spin finish aid carries out swelling, dissolving, filtration and deaeration successively; Said useless diacetate fiber adds that the concentration that forms solution behind the acetone is 26～29%, viscosity is 15～60Pas, and moisture content is 3～5% in the solution; The addition of said spin finish aid accounts for 0.2～0.3% of useless diacetate fiber total amount; Said spin finish aid is a mineral oil; Said swelling is in the swelling machine, to carry out, and its swelling temperature is 8～10 ℃, and swelling time is 30～40 minutes; Said dissolving is that the useless diacetate fiber that obtains after the swelling is dissolved in dissolution kettle, and solution temperature is 45～52 ℃ during dissolving, and dissolution time is 8～12 hours; Said filtration is to adopt stainless steel sheet frame filter to carry out two roads to filter; Said deaeration is that the useless diacetate fiber that obtains after filtering is carried out deaeration in the deaeration still, and the deaeration temperature is 50～52 ℃, the deaeration time be 24～30 hours/inferior;
Said spinning is that the spinning solution that obtains after the deaeration is carried out spinning in spinning machine, and precompressed is 2.0～2.5Mpa before spinning in the said spinning process, the measuring pump pressure 3.0～5.0Mpa of spinning machine; The spinneret cap specification is 0.057 △ * 325; Spinning head portion temperature is 60～75 ℃, and the path EAT is 75～90 ℃, and the path leaving air temp is 50～54 ℃; Draw ratio is 0.9～1.1%, and spinning silk winding speed is 400～600 meters/minute;
Said oiling is oiling agent emulsion on the diacetate fiber tow surface that obtains after the spinning; The addition of said finish emulsion accounts for 0.8～1.5% of gained diacetate fiber tow total amount; The concentration of institute's oiling agent emulsion is 6～8%, and the temperature of finish is 30～40 ℃; Represent that with weight percentage said finish emulsion is made up of 5.2～5.8% atoleine, 1.5～2.0% anhydrous sorbitol mono laurate fat and the water of surplus.
2. the production method of the useless diacetate fiber regenerating secondary acetate tow of utilization according to claim 1 is characterized in that: said useless diacetate fiber is useless diacetate fiber tow; Said washing agent is an ethanol; Adopt the chain-plate type drying machine to carry out drying when the diacetate fiber that will give up after the said cleaning carries out drying, baking temperature is 90～120 ℃.
3. the production method of the useless diacetate fiber regenerating secondary acetate tow of utilization according to claim 1 is characterized in that: said curling is in crimping machine, to carry out, and curling wheel load is 0.1～0.5Mpa, and it is 0.05～0.1Mpa that crimper is pressed.
4. the production method of the useless diacetate fiber regenerating secondary acetate tow of utilization according to claim 1; It is characterized in that: said typing drying is that the diacetate fiber tow after curling is carried out drying in the chain-plate type drying machine; Baking temperature is 90～120 ℃, and be 10～20 minutes drying time; It is 6 ± 2% that dry back gained cigarette uses the moisture content of diacetate fiber tow.
5. the production method of the useless diacetate fiber regenerating secondary acetate tow of utilization according to claim 1 is characterized in that: said solvent recovery be according to conventional method adsorb successively, parsing and rectifying.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101914967A CN101864608B (en) | 2010-06-04 | 2010-06-04 | Production method for regenerating secondary acetate filament bundles by waste cellulore filament bundles |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101914967A CN101864608B (en) | 2010-06-04 | 2010-06-04 | Production method for regenerating secondary acetate filament bundles by waste cellulore filament bundles |
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| CN101864608B true CN101864608B (en) | 2012-02-29 |
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| US20130115452A1 (en) * | 2011-11-03 | 2013-05-09 | Celanese Acetate Llc | High Denier Per Filament and Low Total Denier Tow Bands |
| CN102704324B (en) * | 2012-06-06 | 2014-10-22 | 云南瑞升烟草技术（集团）有限公司 | Method for reusing waste cigarette-used cellulose acetate fibers |
| JP7149057B2 (en) * | 2017-07-11 | 2022-10-06 | 株式会社ダイセル | Cellulose acetate tow band and method for producing cellulose acetate tow band |
| CN109056318A (en) * | 2018-08-15 | 2018-12-21 | 江苏四新界面剂科技有限公司 | Vinegar fibre finish dedicated biomass compound emulsifying agent |
| CN109369963A (en) * | 2018-09-17 | 2019-02-22 | 济南大自然新材料有限公司 | A kind of method that useless diacetate fiber prepares diacetate fiber micelle |
| CN110685021B (en) * | 2019-09-26 | 2021-06-04 | 湖北新阳特种纤维股份有限公司 | Preparation method of cellulose diacetate fiber for spinning |
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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 |
| US5504120A (en) * | 1994-03-18 | 1996-04-02 | Hoechst Celanese Corporation | Recycling cellulose esters from the waste from cigarette manufacture |
| JPH09268201A (en) * | 1996-04-01 | 1997-10-14 | Daicel Chem Ind Ltd | Production of cellulose acetate |
| CN101565466B (en) * | 2009-05-13 | 2011-04-06 | 河南正通化工有限公司 | Production method for reproducing colloidal particles of cellulose diacetate by using cellulose diacetate waste shred |
| CN101717524A (en) * | 2009-12-18 | 2010-06-02 | 合肥工业大学 | Recycle method of acetate fiber in waste acetate fiber tow filter rod leftovers |
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Effective date of registration: 20170113 Address after: The eastern section of Shenzhou road 454000 in Henan province Jiaozuo City, urban and rural integration demonstration area Patentee after: Jiaozuo Jinye Acetate Fiber Co. Ltd. Address before: The eastern section of Wenxian County Taihang Road 454850 Henan city of Jiaozuo Province cigarette Material Co. Ltd. Patentee before: Jiaozuo Cigarette Material Co., Ltd. |