CN100535225C - Synchronous padding method for raw spinning cake - Google Patents
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- CN100535225C CN100535225C CNB2007100497902A CN200710049790A CN100535225C CN 100535225 C CN100535225 C CN 100535225C CN B2007100497902 A CNB2007100497902 A CN B2007100497902A CN 200710049790 A CN200710049790 A CN 200710049790A CN 100535225 C CN100535225 C CN 100535225C
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Abstract
The invention discloses a method for synchronous pressure dyeing for crude spinning cake in the post treatment and dyeing of spinning cake, with which, the two processes, namely the pressure washing and dyeing of crude spinning cakes are combined into one, and the pressure washing and dyeing are completed in one apparatus. The procedures for that are: loading yarn, pre treatment before dyeing, dyeing, and post treatment after dyeing. The invention improves the process flow, reduces the times for touching the spinning cakes, guarantees the shaping of spinning cakes; optimizes the post treatment, combines the pressure washing with the dyeing, improves the efficiency of post treatment, and reduces the load of pressure washing; changes the single circulation that goes from inner to outer into inner-outer alternative circulation, reduces difference between the inner and outer layer, and improves the dyeing quality.
Description
Technical field
This invention belongs to the post processing and the dyeing of viscose filament yarn spinning cake in the textile industry, especially the raw silk cake compresses and washes and dyes and merge into a cover technology by two cover technologies, finish in a device (dye vat) and compress and wash and dye, this method is specially adapted to viscose filament yarn cake dyeing demand.
Background technology
Dimension card fiber is that cotton linter is dissolved into yellow viscose glue shape liquid in certain industrial chemicals, therefore claims viscose again, and stretching in coagulating bath again then is frozen into strand, passes through processing such as concise, oven dry, winder again.
Usually, because the long filament that spinning is come out contains a large amount of harmful substance (metal, sulphur and compound thereof and complicated elemental sulfur), be subjected under light and the chance enthusiasm condition, these impurity can make intensity, the degree of stretching of strand, and the whiteness aspect can change to some extent along with the time.So be necessary these harmful substances are cleaned (deacidification, dezincification, desulfurization, bleaching and repeatedly washing handle) eliminating these harmful materials (being called the spinning post processing again), but need the flower long time.Spinning cake is transported to dyeing workshop between Pressure-washing apparatus again after compressing and washing, and refills cylinder sleeve, creel, dyes in dye vat.
Former spinning aftertreatment technology flow process: raw silk cake → transhipment → go up silk → compress and wash (washing → dezincification → washing → desulfurization → washing → bleaching → washing) → following → dehydration → transhipment.
It is as follows to compress and wash detailed process:
Former spinning cake dyeing overall process is: raw silk cake → be transported to Pressure-washing apparatus → go up silk → compress and wash (washing → dezincification → desulfurization → washing → bleaching → washing) → following → dye vat that dewaters → be transported to → dress cylinder sleeve → dress creel → advance cylinder → dyeing pre-treatment (hot water wash → overflow is washed) → dyeing → dyeing post processing → go out cylinder → dehydration → oven dry → damping → one-tenth tube → check → packing → warehouse-in.
Above-mentioned cake dyeing whole piece process route is:
One, the spinning post processing time long, efficient is low;
Two, compress and wash that up and down silk and dehydrating operations spinning cake labour intensity are big, can cause damage to the spinning cake moulding simultaneously, influence dyeing quality;
Three, compress and wash cleaning solution circulation from inside to outside all the time, inside and outside poor layer by layer big, influence dyeing quality;
Four, the poor layer by layer up and down dyeing quality that influences of Pressure-washing apparatus;
Five, reach dyeing workshop through being transported to after compressing and washing, environmental factor in the transport process and artificial contact all can impact the cake dyeing quality;
Six, compress and wash and the operation of two processing steps that dye numerous and diverse, the process of compressing and washing will be with Pressure-washing apparatus on the spinning cake, spinning cake is taken off refill cylinder sleeve again through being transported to dyeing workshop after washing, and has drawbacks such as production efficiency is low, the duplication of labour.
Summary of the invention
The invention provides a kind of viscose filament yarn synchronous padding method for raw spinning cake, improve production procedure and reduce artificial contact spinning cake number of times, guarantee the spinning cake moulding; Optimize aftertreatment technology, will compress and wash operation and dyeing process and merge, improve efficiency of post treatment, alleviate to compress and wash and produce load; Changing simple circulation from inside to outside is inside and outside alternate cycles, poor layer by layer inside and outside the minimizing, improves dyeing quality.
The viscose filament yarn synchronous padding method for raw spinning cake comprises and compresses and washes operation and dyeing process, it is characterized in that: compress and wash and dye and finish in dye vat, step is as follows:
A, dress yarn: spinning cake packed into press the dye vat creel;
B, dyeing pre-treatment: hot water wash, deacidification, dezincification, desulfurization, overflow washing;
C, dyeing: add dyeing;
D, dyeing post processing: soap boiling, oily excessively;
E, dehydration, oven dry;
Deacidification in the described B step: adopt the alkali neutralization method, add liquid caustic soda NaOH or soda ash Na
2CO
3, circulated 3～8 minutes; Dezincification in the described B step: utilize the deacidification step that the pH value is adjusted to PH=5～8, add chelating agent again, be warming up to 90 ± 5 ℃ then, be incubated 20～30 minutes, reduce to 80 ± 5 ℃ of discharge opeings again, PH=7～8 are adjusted in the overflow washing.
Desulfurization in the B step of the present invention: under neutrality or alkalescent hot water hot environment, add or do not add the desulfurizing agent desulfurization.
The technology of C step dyeing process of the present invention is:
A, water inlet;
B, with salt: the back that stirs in secondary cylinder adds dye vat;
C, add dyestuff: normal temperature adds dyestuff down;
D, insulation, sampling are to version: dyestuff adds back insulation 10～15 minutes, is warming up to 80 ± 5 ℃ and be incubated 30～42 minutes again, is cooled to 60 ± 5 ℃ then, keeps 10～15 minutes, with flowing to of dye liquor charging basket, exposes spinning cake, takes a sample to version;
E, add alkali: add dividing three times after the version, add 1/6 alkali in 20～30 minutes for the first time, be incubated 10～15 minutes; The alkali of adding 2/6 is incubated 10～15 minutes in 20～30 minutes for the second time; Add surplus for the third time, be incubated 30～42 minutes;
F, insulation, sampling are to version: after insulation finishes, with flowing to of dye liquor charging basket, expose spinning cake, sampling if need repair look, slowly adds an amount of dye liquor to version again, after the heating and heat preservation again to version.
The technology of D step dyeing post processing of the present invention is:
A, soap boiling: the discharge opeing soap boiling, 95 ± 5 ℃ of 12～24 minutes times of soap boiling temperature, take a sample again behind the soap boiling to version;
B, to hot water wash after the version or overflow cold wash, discharge opeing;
C, oily excessively: crossing oil temperature is 40 ± 5 ℃, and 20～30 minutes time, the back sampling that oils is to version.
Beneficial effect of the present invention shows:
One, process optimization has reduced dehydration and the operations such as loading and unloading when compressing and washing in original production process, help protecting the spinning cake moulding, raises the efficiency, and reduces consuming;
Two, multiple function such as deacidification, dezincification, desulfurization, bleaching is merged one and carry out simultaneously, the concise cycle short (the post processing time shortened to 54 minutes by original 246 minutes), the efficient height, cost is low;
Three, reduce desulfurization medicament (NaOH), even do not use the desulfurization medicament, reduce the energy and resource consumption;
Four, this post processing equipment has the function of positive and negative circulation, compares with the Pressure-washing apparatus washing, can reduce spinning cake ectonexine mass discrepancy;
Five, can alleviate the production pressure that former technology is compressed and washed.
Description of drawings
Fig. 1 represents the dye vat equipment work schematic diagram of circulation flushing from inside to outside
Fig. 2 is the dye vat equipment work schematic diagram of expression ecto-entad circulation flushing
Mark among the figure: 1 master cylinder, 2 secondary cylinders, 3 auxiliary pumps, 4 charge pumps, 5 heat exchangers, 6 changements, 7 yarn dishes, 8 spinning cake cylinder sleeves, 9 cylinder caps
The specific embodiment
The synchronous pressure dyeing method that the present invention proposes is the raw silk cake is compressed and washed and to dye and merge into a cover technology by two cover technologies, finishes to compress and wash and dye in a device (dye vat), and this method is specially adapted to viscose filament yarn cake dyeing demand.
Concrete improvement embodiment is as follows:
One, process optimization: with before post processing and the dyeing hot water wash merge and to carry out simultaneously, production procedure reduced to for 7 steps by the 11 original steps.Front and back flow process contrast is as follows:
The original production flow process: raw silk cake → transhipment → go up silk → spinning post processing (compress and wash washing: washing → dezincification → washing → desulfurization → washing → bleaching → washing) → dehydration → transhipment → dress cylinder sleeve → dress creel → advance cylinder → hot water wash → overflow washing → dyeing.
Improve the back production procedure: raw silk cake → transhipment → dress cylinder sleeve → dress creel → advance cylinder → hot water wash+spinning post processing (heat is washed, deacidified, dezincification, desulfurization, bleaching carry out simultaneously) → overflow washing → dyeing.(wherein, the dyeing pre-treatment is merged in spinning post processing and overflow washing)
Two, the spinning aftertreatment technology is optimized: merging such as the deacidification that former post processing is carried out step by step, dezincification, desulfurization, bleaching are carried out simultaneously, and technological process contrasts as follows:
Former technology: washing → dezincification → washing → desulfurization → washing → bleaching → washing → dehydration; Dyeing pre-treatment (hot water wash → overflow washing) → dyeing.(supporting process slightly)
New technology: heat washes+deacidifies+dezincify+desulfurization+bleaching (bleaching can require choosing or not select according to dyeing) → overflow washing → dyeing.(supporting process slightly)
Three, the theory analysis of spinning aftertreatment technology:
A, deacidification be by adding in the alkali and realizing, simultaneously the pH value adjusted to that dezincification is suitable for, pH value scope (PH=5～8).Compare with direct washing deacidification, saved a large amount of wash times.
B, dezincification realize by adding a kind of highly effective chelating agent (for example EDTA, novel chelating agents Turpinal SAL etc.).Chelating agent and metal ion generate water-soluble thing that boils together, thereby remove zinc ion in the strand and calcium, magnesium ion, play bleaching stibilizer (hydrogen peroxide stabilizer) effect, make simultaneously that zinc ion content reaches discharge standard in the sewage, reduction sewage disposal expense.
C, desulfurization are under neutrality or weak basic condition, add or do not add desulfurizing agent and realize desulfurization, but not desulfurization under the former strong alkaline condition realizes thereby dezincification, bleaching, desulfurization three are merged successfully.The tradition sulfur removal technology is finished under desulfurizing agents such as NaOH, vulcanized sodium (strong basicity) effect, and decomposing hydrogen dioxide solution is violent under the strong alkaline condition, easily strand intensity is caused damage.
D, employing high temperature desulfurizing need not desulfurizing agents such as NaOH, have saved production and pollution treatment cost.Strand is expanded, help dyeing.
Four, dye vat equipment work principle:
Dye vat comprises parts such as master cylinder, attached cylinder, circulating pump (containing motor), changement, heat exchanger, charging system, yarn dish, yarn post, cylinder sleeve (the uniform aperture in side), switch board.
The spinning cake cylinder sleeve is used to guarantee the spinning cake accurate positioning, and the liquid distributions is even, the moulding of protection spinning cake, and improve the spinning cake bearing capacity, occupation mode: spinning cake is contained on the cylinder sleeve, and then is contained on the creel, the top is fastening with nut, forms the yarn post.
The dye vat performance specification: main pump adopts variable frequency control, but regulating frequency changes body lotion pressure; Heat exchanger can heat up and lower the temperature, and warming and cooling rate is by programme-control; Changement can change the flow direction that body lotion penetrates spinning cake, can circulate from inside to outside, but also ecto-entad circulation, its cycle period can be regulated by program; Help reducing the difference of ectonexine, reversing principle is seen schematic diagram; Auxiliary agent, dyestuff etc. are added by secondary cylinder, and adding speed is passed through program setting;
During equipment operation:
Spinning cake is contained on the cylinder sleeve, and cylinder sleeve shields to the shaping of spinning cake, prevents from that spinning cake from washing to collapse; Parallel operation is mainly used to control the temperature of abundant liquid, can heat up, lower the temperature by speed, also can be incubated; Changement is used to change the body lotion loop direction, allows body lotion outwards penetrate or inwardly to be penetrated by the spinning cake skin from the spinning cake internal layer, and its cycle period is adjustable, thereby guarantees the uniformity of washing of spinning cake ectonexine or dyeing; Circulating pump adopts variable frequency control, can regulate flow and pressure according to technological requirement; Charging system can realize that the quantitative timing of dyestuff or auxiliary agent adds, and technology controlling and process is easy to be stable.
Five, concrete technological process:
1, the dyeing pre-treatment in the technology, dyeing, dyeing post processing are all finished at dyeing process, are referred to as dyeing traditionally, for ease of describing, so the technology of this operation is divided into dyeing pre-treatment, dyeing, dyeing post processing.
2, technology and operating process:
2.1 transhipment, adorn steel bushing, adorn creel, advance aided process operating process such as cylinder slightly.
2.2 dyeing pre-treatment: after yarn advanced cylinder, water inlet was walked to spare the back and is added liquid caustic soda, and circulating adds pre-treatment auxiliary agent (EDTA or EDTA+ soaping agent) after 5 minutes, was warming up to technological temperature then and was incubated 24 minutes, and hot water wash and overflow washing is carried out in the cooling discharge opeing.
2.3 dyeing:
2.3.1 water inlet.
2.3.2 with salt (glauber salt): open balanced valve, glauber salt is added in the secondary cylinder.After waiting to stir, add in the dye vat.
2.3.3 add dyestuff: open balanced valve, in secondary cylinder, add dyestuff under the normal temperature, once add and added in about 24 minutes.
2.3.4 be incubated, take a sample version: after treating that dyestuff adds, be incubated and begin to be warming up to 80 ± 2 ℃ and be incubated 36 minutes after 12 minutes, be cooled to 60 ± 2 ℃ then, after walking to spare 12 minutes, earlier balanced valve is opened, allowed flowing to of dye liquor charging basket, expose spinning cake, get 1 look silk (the indivedual strand of inside and outside layer) on the spinning cake, dry up the back version.
2.3.5 add alkali: divide to add alkali three times.The first time, the alkali with 1/6 added in 24 minutes, was incubated the 12 minutes later alkali of adding 2/6 in 24 minutes again, was incubated to add remaining alkali after 12 minutes again.Be incubated 24 minutes.
2.3.6 to version: after insulation finishes, earlier balanced valve is opened, allowed flowing to of dye liquor charging basket, expose spinning cake, get 1 look silk on the spinning cake, behind soap boiling on the electric furnace,, repair look as need to version, should the dyestuffization of replenishing is good, slowly inject dye vat, be warming up to set point of temperature again, and after being incubated 24 minutes to version.
2.3.7 take a sample to version: the same.
2.4 dyeing post processing
2.4.1 soap boiling: behind version OK, discharge opeing soap boiling (95 ± 2 ℃, 12 minutes-24 minutes time) is taken a sample behind the soap boiling to version again, carries out the cool washing back discharge opeing of hot water wash or overflow behind the OK.
2.4.2 cross oil: crossing oil temperature is 40 ± 2 ℃, and the time is 24 minutes, and the back sampling that oils is to version.
3 go out cylinder: slightly;
4 dehydrations: slightly;
Annotate:, can suitably adjust dyeing according to the performance of dye vat with to the requirement of dyeing quality.
Claims (3)
1, viscose filament yarn synchronous padding method for raw spinning cake comprises and compresses and washes operation and dyeing process, it is characterized in that: compress and wash and dye and all finish in dye vat, step is as follows:
A, dress yarn: spinning cake packed into press the dye vat creel;
B, dyeing pre-treatment: hot water wash, deacidification, dezincification, desulfurization, overflow washing;
C, dyeing: add dyeing;
D, dyeing post processing: soap boiling, oily excessively;
E, dehydration, oven dry;
Deacidification in the described B step: adopt the alkali neutralization method, add liquid caustic soda NaOH or soda ash Na
2CO
3, circulated 3～8 minutes; Dezincification in the described B step: utilize the deacidification step that the pH value is adjusted to PH=5～8, add chelating agent again, be warming up to 90 ± 5 ℃ then, be incubated 20～30 minutes, reduce to 80 ± 5 ℃ of discharge opeings again, PH=7～8 are adjusted in the overflow washing.
2, viscose filament yarn synchronous padding method for raw spinning cake according to claim 1 is characterized in that: the technology of described C step dyeing process is:
A, water inlet;
B, with salt: the back that stirs in secondary cylinder adds dye vat;
C, add dyestuff: normal temperature adds dyestuff down;
D, insulation, sampling are to version: dyestuff adds back insulation 10～15 minutes, is warming up to 80 ± 5 ℃ and be incubated 30～42 minutes again, is cooled to 60 ± 5 ℃ then, keeps 10～15 minutes, with flowing to of dye liquor charging basket, exposes spinning cake, takes a sample to version;
E, add alkali: add dividing three times after the version, add 1/6 alkali in 20～30 minutes for the first time, be incubated 10～15 minutes; The alkali of adding 2/6 is incubated 10～15 minutes in 20～30 minutes for the second time; Add surplus for the third time, be incubated 30～42 minutes;
F, insulation, sampling are to version: after insulation finishes, with flowing to of dye liquor charging basket, expose spinning cake, sampling if need repair look, slowly adds an amount of dye liquor to version again, after the heating and heat preservation again to version.
3, viscose filament yarn synchronous padding method for raw spinning cake according to claim 2 is characterized in that: the technology of described D step dyeing post processing is:
A, soap boiling: the discharge opeing soap boiling, 95 ± 5 ℃ of 12～24 minutes times of soap boiling temperature, take a sample again behind the soap boiling to version;
B, to hot water wash after the version or overflow cold wash, discharge opeing;
C, oily excessively: crossing oil temperature is 40 ± 5 ℃, and 20～30 minutes time, the back sampling that oils is to version.
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| CNB2007100497902A CN100535225C (en) | 2007-08-20 | 2007-08-20 | Synchronous padding method for raw spinning cake |
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| CNB2007100497902A CN100535225C (en) | 2007-08-20 | 2007-08-20 | Synchronous padding method for raw spinning cake |
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| CN100535225C true CN100535225C (en) | 2009-09-02 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736544B (en) * | 2009-12-18 | 2012-01-11 | 宜宾海丝特纤维有限责任公司 | Method for classifying and treating wet crimped spinning cakes |
| CN102505469B (en) * | 2011-09-27 | 2014-04-02 | 宜宾海丝特纤维有限责任公司 | Pressure washing treatment method in viscose filament yarn aftertreatment process |
| CN102605577B (en) * | 2012-03-22 | 2014-01-15 | 四川省宜宾惠美线业有限责任公司 | Dyeing process of dry spinning cakes of viscose filaments |
| CN102628204B (en) * | 2012-03-22 | 2014-01-15 | 四川省宜宾惠美线业有限责任公司 | Wet spinning cake dyeing process of viscose filament yarns |
| CN102677200B (en) * | 2012-05-22 | 2015-04-29 | 中国科学院山西煤炭化学研究所 | Polyacrylonitrile as-formed fiber rinsing bath and application |
| CN104141224B (en) * | 2014-08-06 | 2016-02-10 | 宜宾海丝特纤维有限责任公司 | A kind of spinning cake quick wash technique |
| CN105483957A (en) * | 2014-10-11 | 2016-04-13 | 高国庆 | Loose wool fiber dyeing/washing integrated machine and cleaning method of loose wool fiber |
| CN108252128A (en) * | 2018-01-26 | 2018-07-06 | 四川省宜宾惠美线业有限责任公司 | A kind of pie dye cotton method |
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2007
- 2007-08-20 CN CNB2007100497902A patent/CN100535225C/en active Active
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Effective date of registration: 20191225 Address after: Room 711, Building 2, Courtyard 1, Jinhang Middle Road, Shunyi District, Beijing 101300 Patentee after: Beijing culture science and technology finance leasing Limited by Share Ltd Address before: 644002 space Road, Nan'an District, Sichuan, Yibin Patentee before: Sichuan Yibin Huimei Line Industry Co., Ltd. |
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Application publication date: 20080123 Assignee: HMEI THREAD Co.,Ltd. OF YINBIN SICHUAN Assignor: Beijing culture science and technology finance leasing Limited by Share Ltd. Contract record no.: X2020510000013 Denomination of invention: Synchronous padding method for raw spinning cake Granted publication date: 20090902 License type: Exclusive License Record date: 20200616 |
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