CN1523158A - Centrifugal type yarn dyeing method and apparatus - Google Patents
Centrifugal type yarn dyeing method and apparatus Download PDFInfo
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- CN1523158A CN1523158A CNA031110525A CN03111052A CN1523158A CN 1523158 A CN1523158 A CN 1523158A CN A031110525 A CNA031110525 A CN A031110525A CN 03111052 A CN03111052 A CN 03111052A CN 1523158 A CN1523158 A CN 1523158A
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Abstract
The present invention relates to a centrifugal yarn dyeing method and its equipment. Said method includes the following steps: making yarn be passed through dye liquor feeding device to make impregnation, then making the yarn be passed through liquor scraping device to scrape away excess dye liquor on the yarn, high-speed winding to obtain cylinder yarn, and the centrifugal force formed by high-speed winding can further reduce and balance the liquor-carried quantity of cylinder yarn, then making cold-piling or heat treatment. Said method also can be used for pretreating, mercerizing, water-washing and pigment dyeing yarn, etc.
Description
The invention belongs to the technical field of yarn dyeing and relate to the continuous dyeing method of the cellulose fibre yarn that uses REACTIVE DYES and yarn dyes post-processing approach before dying.
The present invention also provides the equipment of this method of realization.
The whole bag of tricks that yarn dyeing is used in the prior art and equipment all are known.
For example: hank dyeing method is known, wherein the spinning roller from the bobbin discharge and the yarn unwinding on reeling frame on the cone again, in order that obtain strand shape yarn.Each strand is manual the binding on difference, and the two ends ligation of each strand together.Resulting reeled yarn is placed on the dye beams, is attached to balladeur train and is transferred to dyeing apparatus.After the dyeing, the washing reeled yarn removes unnecessary water, dry in the following manner then reeled yarn in dehydrator: perhaps connect drying in the circulating baking oven at hot-air, perhaps allow them pass through drying alley continuously.After this dry run, reeled yarn is placed on the coiler device once more, again around can be used on the knitting or woven conical pipe.
This colouring method must carry out many processing operations, causes the long process time and causes higher production cost.
Bobbin dyeing method also is known, and wherein the yarn that discharges from the spinning roller on the bobbin is again around on taper or cylindrical bobbin, and the edge pressure of bobbin rounds, in order that can make dye liquor be circulated to the inside of bobbin subsequently preferably.
According to this embodiment, another is handled operation and is bobbin is deposited on the porous post of stock support of dyeing installation, after this this stock support is put into autoclave and dye liquor and is passed through the pump vasopressing injection to autoclave.After preset time, get rid of dye liquor, washings are injected autoclave.From autoclave, take out support then, bobbin is put into dehydrator remove unnecessary water.
After this operation, bobbin in hothouse dry in batches or in the high frequency baking oven continuous drying.After the drying, yarn is reeled again.
Unnecessary water can also remove by the device that is called the high speed drier, find time through vavuum pump comprising the device of stock support and bobbin, then in autoclave by means of air or steam supercharging.In this case, do not need the dried of adding.
The same with aforesaid method, such bobbin dyeing method needs many operator interventions and continues the long period, and the cost of this method is higher as a result.
On the other hand, bobbin dyeing method that these are known or hank dyeing method can't carry out room temperature dyeing and can't produce special yarn, as mercerized yarn.
And when dying cellulose fibre, string is as cotton, flax etc., or when chemical fibre such as acetate fiber and viscose, known colouring method needs a large amount of water, promptly in the scope of the yarn that 200-300 liter/kilogram dyes.
Consume so a large amount of water and have two shortcomings: the cost of the water that not only increases consumption, and before discharging, need to handle the water that is rich in dyestuff and residual chemical assistant.
For the employed dyestuff of cellulose fibre, they need add a large amount of salt when being used to prepare dye liquor, promptly in 80-100 grams per liter dye liquor scope, wherein effective rate of utilization has only 60%-70%, the mixture of remaining 30%-40% has been discharged and has represented main pollution sources, need handle completely waste water.
In addition, when dyeing with the reeled yarn form with the cheese form with on less degree, yarn a plurality of move back rich and around operation the quality of yarn product are had adverse effect again, comprising: on the one hand, and bodies lost weight; On the other hand, the toughness and the elongation of loss yarn.
Particularly, there is big aberration between the laboratory sample of above-mentioned colouring method and the dyeing full-page proof, needs operating personnel's high technology, rich experiences and repeatedly adjust just can meet the demands.Its main cause is, little model machine is not the part of dyeing machine, but two machines that separate, thereby inevitably causes the difference of process conditions.
The objective of the invention is to reduce these shortcomings.By being provided for continuous dyeing method and equipment based on the yarn of cellulose fibre, this method and apparatus had both adapted to large-scale production, also adapt to simultaneously the production of smallest size especially, be able to a large amount of dying of saving material, water, the energy, recruitment under the prerequisite that obtains the optimum dyeing effect in view of the above, simplify technological process simultaneously, reduce device category, improve the accurate rate of once dying.
The present invention is to provide and the diverse continuous dyeing method of conventional thread dyeing method, the processing after this method can carry out dying before yarn dyes equally, it may further comprise the steps:
A) after the yarn that comes out from the unwinding of tube yarn floods through liquid dispensing apparatus, scrape off dye liquor unnecessary on the yarn or other solution, realize the first sub-distribution of yarn band liquid measure by scraping liquid device;
B) become a tube yarn from scraping the yarn that liquid device passes through by high-speed winding, the formed centrifugal force of high-speed winding further reduces a cotton yarn tape liquid measure and is balanced, realizes the secondary distribution of yarn band liquid measure;
C) the tube yarn that the band liquid measure is lower and balanced carries out cold dome or heat treatment, in order to fixed dye, or carries out other processing.
The centrifugal force that the present invention has utilized the tube yarn to reel and produced cleverly, its effect at first is to remove unnecessary dye liquor or other solution, in subtractive process unnecessary dye liquor or other solution under action of centrifugal force by the internal layer yarn to outer yarn movement, till the absorption affinity balance of centrifugal force that reaches dye liquor or other solution and yarn, thereby the dipping winding process also is dye liquor or the balanced assigning process of other solution on yarn.
This method compared to the prior art, its prominent features is that the winder of having realized yarn simultaneously, dye liquor distribute, three functions of dehydration, has simplified technical process greatly, has reduced device category.Particularly, the yarn dyeing bath raio is reduced to about 1: 1 by about 1: 10 of prior art, is a kind of cleaning dye technology.
This method is implemented (seeing accompanying drawing) by an equipment, this equipment mainly comprises: continuous high speed unwinding yarn, comprise the device (1) of one or more supports, liquid dispensing apparatus (2) with one or more dye liquors or other solution impregnation unwinding yarn, scrape liquid device (3) on the yarn path behind the dipping, with the yarn handled again around, comprise tube yarn coiler device (4) and dye liquor or other solution device for supplying (5) of one or more actives or passive rotation.
Method and apparatus according to the invention, comprise the unwinding of yarns such as dyeing, bleaching, mercerising, washing and again around the processing speed scope be between 100 meters/minute-1200 meters/minute, preferably between 500 meters/minute-1000 meters/minute.
What use in dye liquor is REACTIVE DYES, and they are suitable for dying cellulosic material, and the amount of dyestuff can change on a large scale for satisfying needed color depth in the dye liquor, but the upper limit should not surpass 100 grams per liters, preferred 5 grams per liters-70 grams per liter.
Can contain one or more dyestuffs according to dye liquor used in the present invention.
The alkaline reagent that is used for fixing REACTIVE DYES preferably uses the water soluble mixt of NaOH and sodium metasilicate.
Except dyestuff and alkaline reagent, dye liquor can also contain other common additive, wetting agent for example, solubilizer, penetration enhancer, electrolyte, for example sodium chloride or sodium sulphate and compounding ingredient such as urea or glycerine.
After the absorption of dyestuff and alkaline reagent, by by the use of thermal means or by low temperature method with the fixing of dye on yarn based on cellulose fibre.
If carry out fixation, use steam or remain under the higher temperature or insulation method is feasible by heating.
The example of cellulose fibre yarn comprises not white cotton yarn, white cotton yarn and mercerized cotton yarn.They can be dyeed by method of the present invention, and need not to wash in advance.Based on cellulosic blended yarn, for example cotton/polyamide blended yarn or especially cotton/polyester blended yarn also be suitable.Suitable yarn also comprises mucilage materials, for example Tencel or Lyocell and with the corresponding blend fibre of cotton, for example cotton/Lycra (polyurethane elastomer).
Immersion system comprises one or more dye liquors, wherein impregnated yarn in the process that yarn passes through.After leaving this device, yarn enters scrapes liquid device, scrapes liquid device and blocks unnecessary dye liquor, realize dye liquor on yarn first sub-distribution and make yarn band liquid measure higher.
In winding process following closely constitute the inside of the fiber of this yarn because action of centrifugal force further diffuses into the dye liquor that is present on the yarn, and the absorption affinity balance of the centrifugal force that makes dye liquor and yarn with throw away unnecessary dye liquor.This process is a critical process, and it has guaranteed dye liquor uniform distribution on yarn.
In practical operation, the tube yarn behind the coiling quicken idle running for example 5 minutes be feasible, it more helps dye liquor uniform distribution on yarn.
The key component of dye liquor, promptly REACTIVE DYES and alkaline reagent (they are in the aqueous solution) can be contained in the independent container.This dyestuff and alkaline reagent are contained in the high stability (because alkaline reagent causes hydrolysis) that can guarantee dye liquor in the independent container separately.
When dye liquor is used with form of mixtures, when promptly REACTIVE DYES and alkaline reagent are present in the aqueous solution, can be contained in two solution in the independent hold-up tank and the buffering hold-up tank of the centre before using in mix them.By this way, have only a spot of dye liquor As time goes on to be subjected to the influence of hydrolysis also can to remove or replace (if necessary), especially when the dye cycle secular stagnation.
Dipping temperature all is feasible in 10-95 ℃ of scope, when carrying out this processing, and the temperature of yarn not only to be impregnated in dipping process, and a kind of corresponding in the said temperature of the temperature of dye liquor.Be preferably dipping and at room temperature carry out, for example under 15-40 ℃, this makes before impregnation steps and especially do not need to use heater fully in impregnation steps.
After dipping is wound into a yarn, preferably use the method for yarn room temperature storage in tumbler.In storage process, be adsorbed on dyestuff on the yarn and dye on can being diffused in the fiber of yarn and fix.For coloring material, the fixation degree is greatly between 80-95%.The time of room temperature storage depends primarily on employed dyestuff kind, and can be between 6-24 hour changes on a large scale.In scope, preferred 12-14 hour.If that will be optimal to keep constant temperature in room temperature range.
Corresponding fixation treatment at high temperature also is feasible, wherein, in 40-100 ℃ temperature range, preferably under 60-70 ℃ temperature, store by in the storage facility that contains impregnated tube yarn, with the fixing of dye on the cellulose fibre yarn.The time of this processing is depended on employed dyestuff and can change on a large scale.The time of this processing is maximum 3 hours, preferred 1-2 hour.
According to the present invention, how much what the combination of equipment for example was used to the spindle of reeling depends on predetermined requirement or predetermined production speed.
Yarn need be washed processing after leaving storage facility, method is that the tube yarn is put into liquid dispensing apparatus, the high-order hot water that contains washing agent that adds, submergence tube yarn, utilize the yarn that hot-water soak and unwinding yarn produced and the frictional force of hot water, and in the unwinding process, wash and dewater according to above-mentioned colouring method.Washing and dehydration can be carried out once or several.Wash temperature for example between 60-80 ℃, the available solution-treated yarn that contains one or more washing agent.
Tube yarn drying can adopt prior art to carry out, as: microwave drying, infra-red drying or heated-air drying etc.
Self-evident, method and apparatus decapacitation provided by the invention is carried out can carrying out bleaching, mercerising and the pigment dyeing of yarn and the yarn treatment that meets other kind of the principle of the invention equally outside the dyeing and washing of aforesaid yarn.
The bleaching of yarn can utilize the existing known cold rolling heap grey cloth bleaching prescription and the time requirement of banking up fully on the basis of this method and equipment.
The mercerising of yarn can corresponding reduction caustic soda content on the basis of this method and equipment, carries out cold mercerising and hot mercerizing.Recommending caustic soda concentration is 18-20%.
The heat treatment of pigment dyeing is recommended to use microwave method, and drying and one step of heat treatment are finished.
By the present invention, the enough REACTIVE DYES of energy (being about 500m/min or higher) are at high speed dyed one or more cellulose fibre textile yarn continuously, simultaneously save dyestuff greatly, promptly reduce dyestuff significantly and be discharged in the washings, and the consumption of remarkable conserve energy and minimizing water.
By the present invention, the yarn treatment that the enough same equipment of energy is finished bleaching, mercerising, dyeing, washing, the pigment dyeing such as yarn and met other kind of the principle of the invention.Promptly save significantly equipment investment, simplifying operation of equipment and maintenance significantly, significantly simplify technological process, adapt to the mode of production of multi-varieties and small-batch significantly.
By the present invention, can improve the dyeing accuracy rate, because unique distinction of the present invention wherein is and can beats sample on the big machine of producing, fundamentally guaranteed the uniformity of process conditions.
Equipment according to the present invention is compared with existing dyeing installation, has significantly reduced the space requirement of equipment.
As a result, compare with existing equipment with common known colouring method, the overall cost that carries out the inventive method reduces, and function increases.
Claims (11)
1, a kind of continuous thread dyeing method and relevant therewith Yarn processing method that is used for cellulose fibre, step is as follows:
A) yarn that unwinding is come out from the tube yarn scrapes off dye liquor unnecessary on the yarn or other solution by scraping liquid device after flooding through liquid dispensing apparatus, realizes the first sub-distribution of yarn band liquid measure;
B) become a tube yarn from scraping the yarn that liquid device passes through by high-speed winding, the formed centrifugal force of high-speed winding further reduces a cotton yarn tape liquid measure and is balanced, realizes the secondary distribution of yarn band liquid measure;
C) the tube yarn that the band liquid measure is lower and balanced carries out cold dome or heat treatment, in order to fixed dye, or carries out other reaction, or oven dry.
2, a kind of method according to claim 1, wherein the yarn dipping contains the highest 100 grams per liters that are no more than, the REACTIVE DYES of preferred 5 grams per liters-70 grams per liter and the aqueous solution of alkaline agent.
3, a kind of method according to claim 1 and 2 wherein with the lower and balanced tube yarn of liquid measure, was stored 6 to 24 hours under room temperature, preferred 12-14 hour, carried out the cold dome fixation.
4, a kind of method according to claim 1 and 2 is wherein with the lower and balanced tube yarn of liquid measure, by using steam or keeping by the use of thermal means at high temperature to carry out fixation.
5, a kind of method according to claim 1 wherein is used for the bleaching of yarn cold dome.
6, a kind of method according to claim 1 wherein is used for the yarn mercerising.
7, a kind of method according to claim 1 wherein is used for the yarn pigment dyeing.
8, a kind of method according to claim 1 wherein is used for the dehydration after yarn is washed.
9, a kind of according to claim 1 method and 2,5,6,7 in any one method, wherein the yarn dipping is at 10 to 95 ℃, carries out under preferred 20-40 ℃ the temperature.
10, a kind of according to any one method in the method and 2,5,6,7,8 of claim 1, the wherein unwinding of yarn, again around processing speed be 100 meters/minute-1200 meters/minute, preferably 500 meters/minute-1000 meters/minute.
11, a kind of equipment that is used for implementing claim 1, it mainly comprises:
Device from one or more support continuous high speed unwinding yarns;
The dye liquor that use separately with one or more or that use with mixture or the device of other solution impregnation unwinding yarn;
Scrape liquid device on the yarn path behind the dipping;
Yarn again around, comprise the device of one or more rotary spindles;
Dye liquor or other solution device for supplying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03111052 CN1276139C (en) | 2003-02-23 | 2003-02-23 | Centrifugal type yarn dyeing method and apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03111052 CN1276139C (en) | 2003-02-23 | 2003-02-23 | Centrifugal type yarn dyeing method and apparatus |
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| Publication Number | Publication Date |
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| CN1523158A true CN1523158A (en) | 2004-08-25 |
| CN1276139C CN1276139C (en) | 2006-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 03111052 Expired - Fee Related CN1276139C (en) | 2003-02-23 | 2003-02-23 | Centrifugal type yarn dyeing method and apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100443656C (en) * | 2006-07-04 | 2008-12-17 | 营口中基纺织有限公司 | Warp beam yarn-dying method using reactive dye and apparatus |
| CN106638034A (en) * | 2016-09-14 | 2017-05-10 | 江苏工程职业技术学院 | Simple dyeing method for pure cotton elastic rough gray yarns |
| CN107385720A (en) * | 2017-05-27 | 2017-11-24 | 芜湖富春染织股份有限公司 | A kind of processing method before scribbled dyeing |
| CN109371521A (en) * | 2018-12-13 | 2019-02-22 | 浙江力达现代纺织有限公司 | The fancy yarn yarn-forming mechanism of section dye effect can be formed |
| CN111979793A (en) * | 2020-08-31 | 2020-11-24 | 鲁泰纺织股份有限公司 | Novel method for dyeing cotton by vat dye |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100848142B1 (en) * | 2003-11-04 | 2008-07-23 | 한국전자통신연구원 | Apparatus and Method for Receiving Data Broadcasting Service to Support a Connection with Mobile Networks |
-
2003
- 2003-02-23 CN CN 03111052 patent/CN1276139C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100443656C (en) * | 2006-07-04 | 2008-12-17 | 营口中基纺织有限公司 | Warp beam yarn-dying method using reactive dye and apparatus |
| CN106638034A (en) * | 2016-09-14 | 2017-05-10 | 江苏工程职业技术学院 | Simple dyeing method for pure cotton elastic rough gray yarns |
| CN107385720A (en) * | 2017-05-27 | 2017-11-24 | 芜湖富春染织股份有限公司 | A kind of processing method before scribbled dyeing |
| CN109371521A (en) * | 2018-12-13 | 2019-02-22 | 浙江力达现代纺织有限公司 | The fancy yarn yarn-forming mechanism of section dye effect can be formed |
| CN111979793A (en) * | 2020-08-31 | 2020-11-24 | 鲁泰纺织股份有限公司 | Novel method for dyeing cotton by vat dye |
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| Publication number | Publication date |
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| CN1276139C (en) | 2006-09-20 |
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