CN102758326A - Reactive dye continuous pad-dyeing shorted and wet steaming machining process for towel and quilt fabrics - Google Patents
Reactive dye continuous pad-dyeing shorted and wet steaming machining process for towel and quilt fabrics Download PDFInfo
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- CN102758326A CN102758326A CN2011101082768A CN201110108276A CN102758326A CN 102758326 A CN102758326 A CN 102758326A CN 2011101082768 A CN2011101082768 A CN 2011101082768A CN 201110108276 A CN201110108276 A CN 201110108276A CN 102758326 A CN102758326 A CN 102758326A
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- towel
- dyeing
- fabric
- dye liquor
- dyestuff
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Abstract
The invention relates to a reactive dye continuous pad-dyeing shorted and wet steaming machining process for towel and quilt fabrics, which is characterized in that an oil pressure evenness calender is selected and used; the liquor retention is controlled in the range of 90 to 100 percent; the adoption of a low-capacity trough ensures that the exchange of dye liquor is completed in a short time; saturated steam is used in a steaming box, so that the influence of the towel and quilt fabrics with high liquid taking quantity on the temperature and the humidity after the towel and quilt fabrics enter the steaming box is reduced; a special dye liquor stabilizer for reducing the hydrolyzation speed of dye is added into the dye liquor; and the dyeing is completed under the temperature and humidity conditions regulated by the process. The process has the advantages of high production efficiency, low energy consumption, low labor intensity, low environmental pollution, low aberration and stable product quality.
Description
Technical field
The present invention is that a kind of towel is by the wet short technology of steaming of fabric active dyestuff continuous knot dyeing, genus technical field of textile printing.
Background technology
At present towel is mainly adopted batch (-type) mode such as overflow machine to produce by coloration of textile materials, and not only production efficiency is low, the cylinder difference is big, and water consumption, energy consumption are high, and wastewater discharge is big.In order to solve problems such as poor efficiency that batch production exists, high flow rate, once developed the cold-stacking dyeing technology both at home and abroad.But because towel is slightly thick by fabric, the time of banking up is long, and production lot is very little, and production efficiency is difficult to improve.Employing continuous knot dyeing processing mode is dyeed by kind fabric to towel and puts processing in order, can increase substantially production efficiency, cuts down the consumption of energy, and realizes the energy-saving and emission-reduction that towel is produced by fabric.The partial continuous dyeing installation adopts the two phase process reactive dyeing technology of padding dye liquor → oven dry → alkali immerging → oven dry → decatize in the early stage, and the energy-saving and emission-reduction advantage is not obvious.Equipment component adopts and to pad twice feeding dyeing of dye liquor → alkali immerging → decatize, though be state-of-the-art at that time towel by the fabric continuous knot dyeing technology because the pre-process and post-process of dyeing all adopts rope form processing, product quality stable very poor.The product produced of continuous knot dyeing simultaneously, batch production modes such as its style and overflow machine are compared, and have tangible difference, can not satisfy domestic and international client's demand.We have carried out a large amount of basic research and industrial test in recent years;,, develop corresponding dyeing assistant through the stability of the alkaline REACTIVE DYES aqueous solution is studied; Fabric feeding mode is innovated; Regulation and control fabric liquid carrying rate has been developed a feeding of low liquid carrying rate, utilizes saturated vapor to wet the short towel that steams fixation by the wet short technology of steaming of fabric active dyestuff continuous knot dyeing.
Summary of the invention
The present invention utilizes to be applicable to towel by the evenness calender based on oil pressure of textile dyeing, and pick-up is controlled at 90～100%, adopts the low capacity hopper; The dye liquor short time is accomplished exchange; The decatize case uses saturated vapor, to the influence of temperature, humidity, adds the special-purpose dye liquor stabilizing agent that reduces the dyestuff hydrolysis rate in the dye liquor after minimizing is with the higher towel of liquid measure by fabric entering decatize case; Formulate reasonable technological, under certain temperature, damp condition, accomplish dyeing.This explained hereafter efficient is high, and energy resource consumption is little, and labour intensity is low, and environmental pollution is little, and aberration is little, constant product quality.
Towel of the present invention mainly is that two parts are formed by the wet short completion of steaming technology of fabric active dyestuff continuous knot dyeing; The one, selecting for use of equipment comprises being applicable to that towel is by the staining bath of the evenness calender of pad dyeing, low capacity, the decatize case that uses saturated vapor, the water washing chamber of waterfall streaming etc.The 2nd, select suitable technological parameter for use, comprise adding stabilizing agent DSA, pick-up, steaming time, glauber salt consumption, soda ash consumption or the like in the dye bath.
Under the prerequisite that guarantees grey cloth pre-treatment effect, the dyeing installation of high-quality is to realize that towel is by the basis of product continuous dyeing.Since towel by fabric have that density thick and heavy, different parts is inconsistent, problem such as the webbing liquid measure of unit are is high, dyeing after washing difficulty is big, we have selected for use pads dye liquor and wet the short technological towel of fixation that steams again by continuous knot dyeing equipment.
Towel is had design features such as satin crotch, cloth cover thickness disparity be big by product cloth cover limit tissue; And the product requirement looped pile is fluffy, soft etc.; The tradition evenness calender is controlled nip pressure through cylinder, and is inhomogeneous to the control of each point pressure of cloth cover, can not satisfy the requirement that towel is colored.Therefore, select evenness calender for use, and control the pressure of roll different parts through pressure sensor based on oil pressure.Confirm that being fit to towel is Shore 60-70 ° by the rubber rollers hardness of pad dyeing.Confirmed the nip pressure parameter: 1) deviation can the value of establishing be respectively 0.020bar, 0.030bar, 0.160bar; 2) maximum selvedge linear pressure deviation is 2.0N/mm, and minimum line pressure is 10N/mm, max line pressure 50N/mm; 3) minimum cylinder air pressure is 0.7bar, maximum cylinder air pressure 3.5bar; 4) minimum uniform roller oil pressure 0.440bar, maximum evenly roller oil pressure 2.220bar; 5) aberration correction length is 50 meters end to end, and the head and the tail aberration is corrected pressure 5N/mm.
Because the catalytic action of alkali, the dyestuff hydrolysis speeds up, and causes dyebath stability poor, is 75～80L based on the preferred hopper capacity of this problem, with 25 meters/min of the speed of a motor vehicle, 2.2 meters of fabric widths, grey cloth grammes per square metre 450g/ rice
2Being example, is 100% o'clock at pick-up, just can all exchange the dye liquor in the groove in 3 minutes, thus the stability of assurance dyeing.
The decatize case uses saturated vapor, reduces the higher towel of band liquid measure and is got into behind the decatize case influence to temperature, humidity by fabric, thereby guarantee the stable of dyeing condition; Because the high liquid-loading capacity of fabric; For improving the dyeing fixation rate, guarantee the color fastness index, steaming time is confirmed as 90s～120s.Decatize oven temperature, degree is 99～100 ℃, and decatize case humidity is 99～100%.
Towel is thick and heavy by fabric, liquid carrying rate is high; The water washing chamber structure that has adopted the washing of waterfall streaming to combine with spray, fabric through the oblique cloth of wearing of fabric guide roll, is mentioned water washing chamber top through water pump with water in water washing chamber; Flow backwards to fabric as waterfall then; Through cooperating with spray equipment, fully loose colour and the impurity on the eccysis fabric has improved washing efficiency.
, institutional framework thick and heavy by fabric according to towel carried the satin crotch secretly; The characteristic of limit tissue etc.; Designed the technological process of continuous knot dyeing; And analyzed and influence each item factor of dying on the dyestuff such as the speed of a motor vehicle, steaming time, glauber salt consumption, soda ash consumption, band liquid measure etc., confirmed that finally more rational towel is by the fabric continuous dyeing process.
When dyestuff and alkaline agent exist simultaneously; Because the catalytic action of alkali, the dyestuff hydrolysis speeds up, and causes the stable variation of dye liquor; Aberration is difficult to control in the product dyeing course; Back aberration in before existing in the batch production process rolls the steaming dyeing through what add in the dye liquor that the dye liquor stabilizing agent will realize REACTIVE DYES, and the stability problem that just need fundamentally solve dye liquor has been developed dye liquor stabilizing agent DSA.After soda ash and caustic soda were according to 3: 1 mixed, add the stability that stabilizing agent DSA can effectively improve dye liquor, the technology consumption of DSA is controlled to be 1g/L.Adopt little staining bath simultaneously, towel is thick and heavy by fabric, can exchange fully in 3 minutes, so the stability of dye liquor is effectively controlled.
According to towel by the fabric unique characteristics: fabric is thick and heavy, is mingled with the limit tissue, effective band liquid measure of glauber salt in disconnected crotch and the fabric dyeing course; The selection principle of glauber salt adheres to guaranteeing the consumption of color depth and dyestuff; Play the effectively short metachromia of dyeing of glauber salt, guarantee the uniformity of fabric imbue property and dyeing, take into account aberration end to end simultaneously; Dye stability; Dyeing quality stability can effectively be controlled, finally reach in the acceptable scope, rolling through test contrast and wetly steaming that the glauber salt consumption is preferably 30～80g/L in the dyeing dye liquor.
According to towel by the fabric unique characteristics: fabric is thick and heavy; Be mingled with the limit tissue, effective band liquid measure of soda ash in disconnected crotch and the textile dyeing process, the selection principle of soda ash adheres to that the stability of guaranteeing color depth and dye liquor can effectively be controlled it; Play effective dye fixing effect of alkaline agent simultaneously; Guarantee the consumption of fabric COLOR FASTNESS and dye liquor, it is reached reach optimum amount as far as possible, rolling through test contrast and wetly steaming that the alkaline agent consumption is preferably 5～30g/L in the dyeing dye liquor.
Towel just is that by one of difficulty of textile dyeing towel is by distinctive satin crotch of fabric self and limit institutional framework situation; For guaranteeing that towel is by hair body color and satin crotch in the textile dyeing process; The basically identical of limit tissue color reaches looped pile and limit tissue, dyeing back out of stock color the best; Experimental study shows that the pick-up after fabric pads through evenness calender during through evenness calender affects the color depth and the aberration of fabric.After the pick-up of fabric reaches 90%, increase the pick-up of fabric, the color depth of fabric changes and is not obvious.Therefore, the pick-up we pad fabric through evenness calender after is controlled in the 90-95% scope, each site color degree of depth and coloured light basically identicals such as the limit tissue of fabric, satin shelves tissue, plain cloth tissue, pile stitch after dyeing with assurance.
Steaming time is the important factor in order that influences color depth and fixation rate, and towel is thick and heavy by himself characteristic fabric of fabric in addition, adopts simultaneously and rolling the wet technology of steaming; The webbing liquid measure is high, for improving the dyeing fixation rate, reduces dyestuff consumption; Guarantee the color fastness index; Steam box uses saturated vapor, reduces the higher towel of band liquid measure and is got into behind the decatize case influence to temperature, humidity by fabric, thereby guarantee the stability of dyeing condition; Decatize oven temperature, degree is 99～100 ℃, and decatize case humidity is 99～100%.Research shows when steaming time is lower than 2 minutes, prolongs steaming time, and it is very fast that the color of fabric is firmly got increase; After steaming time reaches 2 minutes, prolong steaming time, the color depth of fabric promotes little.Based on taking into account dyeing quality and production efficiency, steaming time is confirmed as 90s～120s.
Advantage of the present invention is: the Application and Development of continuous knot dyeing technology, improved production efficiency greatly, and can satisfy part big customer's big contracted quantity, the specific (special) requirements of short delivery phase; Labour intensity is low, and recruitment is few, effectively solves the problem of current " recruitment is waste ", has both had good economic benefit, also has good social benefit; Water, electricity, the vapour energy resource consumption is little, and quantity of wastewater effluent is low, and environmental pollution is little, has obtained the good energy-conservation emission reduction effect; Aberration is little, and constant product quality has reduced the quality control difficulty of contract in enormous quantities; We are according to the towel characteristics that cloth cover is bright and clean evenly, fold is few after by the fabric continuous knot dyeing; Developed cut pile fabric continuous knot dyeing product again; The clipping mask of this product has the smooth feel and the gloss of silkiness; Receive liking of client deeply, the continuous knot dyeing product has expanded to a plurality of series of productss such as towel quilt, slippers on bath towel, towel, shawl, the bed at present, obtains domestic and international client's favorable comment.
The specific embodiment
To Gram Mass is the bath towel of 550 grams, adopts the following wet short continuous knot dyeing processing parameter production of steaming:
Speed of a motor vehicle 35m/min,
Steaming time is 103s,
99 ℃ of steam temperatures,
Decatize humidity 99%,
Padding machine pressure 30N,
Pick-up 90%,
Water seal mouth temperature :≤40 ℃
The washing condition:
50 ℃ of first water washing chambers.
95 ℃ of second water washing chambers.
95 ℃ of the 3rd water washing chambers.
95 ℃ of the 4th water washing chambers (case of soaping) are banked up the time: 3min
95 ℃ of the 5th water washing chambers.
95 ℃ of the 6th water washing chambers.
Formula for dye liquor:
The red 0.15g/L of FN-R,
The dark blue 0.7g/L of FN-BN,
NC olive 0.2g/L,
PAD?2ml/L，
Glauber salt 30g/L,
Soda ash 10g/L,
DSA?2ml/L。
Bath towel product colour with above-mentioned production technology is produced is stable, and aberration and left, center, right aberration are all more than 3 grades end to end.
Claims (9)
1. a towel is characterized in that selecting for use the evenness calender based on oil pressure by the wet short processing technology of steaming of fabric active dyestuff continuous knot dyeing, adopts the low capacity hopper; The dye liquor short time is accomplished exchange; The decatize case uses saturated vapor, to the influence of temperature, humidity, adds the special-purpose dye liquor stabilizing agent that reduces the dyestuff hydrolysis rate in the dye liquor after minimizing is with the higher towel of liquid measure by fabric entering decatize case; Formulate reasonable technological; Under certain temperature, damp condition, accomplish dyeing, use efficient water washing chamber fully to remove loose colour at last, improve washing efficiency.
2. steamed colouring processing method according to the said towel of claim 1 by the wet weak point of fabric active dyestuff continuous knot dyeing; It is characterized in that selecting for use evenness calender based on oil pressure; And control the pressure of pressure roller different parts through pressure sensor; Had the uneven characteristics of structure based on towel by the cloth cover of fabric, limit tissue and a hair body, satin shelves solid colour partly during for assurance dyeing, confirm that the pressure roller parameter is: 1. maximum selvedge linear pressure deviation is 2.0N/mm; Minimum line pressure is 10N/mm, max line pressure 50N/mm.2. minimum cylinder air pressure is 0.7bar, maximum cylinder air pressure 3.5bar.3. minimum uniform roller oil pressure 0.440bar, maximum evenly roller oil pressure 2.220bar.4. aberration correction length is 50 meters end to end, and aberration is corrected pressure 5N/mm end to end.
3. steamed colouring processing method according to the said towel of claim 1 by the wet weak point of fabric active dyestuff continuous knot dyeing; It is characterized in that because hopper inner dye and alkaline agent exist simultaneously; Because the catalytic action of alkali, the dyestuff hydrolysis speeds up, and causes dyebath stability poor; Based on the preferred hopper capacity of this problem is 75～80L, with 25 meters/min of the speed of a motor vehicle, 2.2 meters of fabric widths, grey cloth grammes per square metre 450g/ rice
2Being example, is 100% o'clock at pick-up, just can all exchange the dye liquor in the groove in 3 minutes, thus the stability of assurance dyeing.
4. steamed colouring processing method according to the said towel of claim 1 by the wet weak point of fabric active dyestuff continuous knot dyeing; It is characterized in that the decatize case uses saturated vapor; Reduce the higher towel of band liquid measure and got into behind the decatize case influence temperature, humidity by fabric; Thereby guarantee the stability of dyeing condition, decatize oven temperature, degree is 99～100 ℃, and decatize case humidity is 99～100%.
According to the said towel of claim 1 by the wet short colouring processing method that steams of fabric active dyestuff continuous knot dyeing, it is characterized in that when dyestuff and alkaline agent exist simultaneously, owing to the catalytic action of alkali; The dyestuff hydrolysis speeds up; Cause in the product dyeing course end to end that aberration is difficult to control, there are aberration in every cylinder dyestuff and every cylinder dyestuff, exist when using at last when every cylinder dye liquor is brought into use aberration (owing to towel by the high liquid-loading capacity of fabric; The selection of material cylinder must the guaranteeing material time adequacy; Be preferably 700L), can effectively improve above problem through adding dye liquor stabilizing agent DSA in the dye liquor, the selection process consumption is 1-2g/L.
6. steamed colouring processing method according to the said towel of claim 1 by the wet weak point of fabric active dyestuff continuous knot dyeing; It is characterized in that according to towel by distinctive satin crotch of fabric self and limit institutional framework situation; For guaranteeing that towel is by hair body color and satin crotch in the textile dyeing process; The basically identical of limit tissue color, the scope of pick-up is 70～120% during through evenness calender, is preferably 90～100%.
7. steamed colouring processing method according to the said towel of claim 1 by the wet weak point of fabric active dyestuff continuous knot dyeing; It is characterized in that being rolled the fabric glauber salt that steams dyeing according to towel by fabric effectively is with liquid measure; Glauber salt is to the influence property of color depth and effective control of aberration end to end, and the glauber salt consumption is preferably 30～80g/L in the dye liquor.
8. steamed colouring processing method according to the said towel of claim 1 by the wet weak point of fabric active dyestuff continuous knot dyeing; It is characterized in that being rolled by fabric effective band liquid measure of the fabric soda ash that steams dyeing according to towel; Soda ash is to the influence property of color depth and to the controllability of dyestuff hydrolysis, and the soda ash consumption is preferably 5～30g/L in the dye liquor.
9. steamed colouring processing method according to the said towel of claim 1 by the wet weak point of fabric active dyestuff continuous knot dyeing, it is characterized in that fabric is thick and heavy, the high liquid-loading capacity of fabric for improving the dyeing fixation rate, is guaranteed the color fastness index, and steaming time is confirmed as 90-120s.
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| CN2011101082768A CN102758326A (en) | 2011-04-28 | 2011-04-28 | Reactive dye continuous pad-dyeing shorted and wet steaming machining process for towel and quilt fabrics |
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| CN2011101082768A CN102758326A (en) | 2011-04-28 | 2011-04-28 | Reactive dye continuous pad-dyeing shorted and wet steaming machining process for towel and quilt fabrics |
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Cited By (1)
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| CN103031750A (en) * | 2012-12-29 | 2013-04-10 | 孚日集团股份有限公司 | Continuous pad dyeing and shortened wet steaming processing technology for towel and sheet fabric vat dye |
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| CN103031750A (en) * | 2012-12-29 | 2013-04-10 | 孚日集团股份有限公司 | Continuous pad dyeing and shortened wet steaming processing technology for towel and sheet fabric vat dye |
| CN103031750B (en) * | 2012-12-29 | 2015-09-09 | 孚日集团股份有限公司 | A kind of towel is by the short wet steaming processing technology of fabric reducing dye continuous knot dyeing |
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Application publication date: 20121031 |