CN102359025A - Low constant bath ratio cotton yarn dyeing method for bobbin yarn and warp beam cotton yarns - Google Patents
Low constant bath ratio cotton yarn dyeing method for bobbin yarn and warp beam cotton yarns Download PDFInfo
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- CN102359025A CN102359025A CN2011102324247A CN201110232424A CN102359025A CN 102359025 A CN102359025 A CN 102359025A CN 2011102324247 A CN2011102324247 A CN 2011102324247A CN 201110232424 A CN201110232424 A CN 201110232424A CN 102359025 A CN102359025 A CN 102359025A
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Abstract
The present invention discloses a low constant bath ratio cotton yarn dyeing method for bobbin yarns and warp beam cotton yarns. The dyeing process comprises stages of laboratory sampling, pre-treatment, dyeing and post-treatment. It is ensured that the actual bath ratio value during the dyeing stage is equal to the operation bath ratio value during the laboratory sampling stage, the operation bath ratio value during the laboratory sampling stage is 1:5, the operation bath ratio value during the pre-treatment stage is 1:4.34, the operation bath ratio value during the dyeing stage is 1:2.84, all the operation bath ratio values are low bath ratio values. With adopting the dyeing method, the dyeing color yield difference regularity between the laboratory sample yarn and the dyeing workshop bulk yarn can be effectively summarized.
Description
Technical field
The present invention relates to the dope dyeing technology, be specially adapted to the colouring method of a kind of bobbin cotton yarn, warp axle cotton yarn.
Background technology
The vital staining process of yarn is very complicated chemical reaction process; General stages is divided into: dyestuff absorption phase, dye diffusion stage, dyestuff and fiber association reaction Dry Sack stage; And the influence factor in each stage is a lot, for example temperature, bath raio, pH value, time, pump speed flow etc.So-called bath raio is meant the weight ratio of yarn and water.The bath raio factor is a key factor that influences dye stability, same dyeing recipe, and in the bath raio value not simultaneously, the Dry Sack result of yarn is different.
On the other hand, the size of bath raio value also is the direct embodiment of energy consumption, chemicals consumption size, and when bath raio is big, the consumption of producing the water, electricity, steam and the change material auxiliary agent that consume will be big.Present domestic conventional bath raio is more than 1:8, and maximum bath raio reaches more than the 1:30.
The core of dye-works is to dye the dyed yarn that meets client's standard-required; In order to improve a hit rate of dyeing effectively; At present domestic nearly all dye-works is all in the rule of summing up laboratory sample yarn and dyeing workshop bulk production dyeing yarn Dry Sack difference; Dyeing industry the most frequently used summary way at present is: the bath raio scope little with the phase difference is the basis; Sample and bulk production Dry Sack difference when summing up different dyes combination, different dyes consumption, various processes are summed up the addition coefficient of sample to bulk production.Present domestic dye-works; Owing to receive the influence of production technology, the restriction of factor such as dye vat varies in size, yarn varies in weight, Workshop Production dye bath ratio is very many; The bath raio of conventional dye-works is no less than tens; Cylinder type kind dye-works's bath raio value how reaches more than 100, causes big, the consuming time length of summing-up work difficulty of addition rule, the complicated and actual rule of difficult grasp of summary process.
Summary of the invention
The technical problem that the present invention will solve is at bobbin or in axle Dyeing Process of Cotton Yarn process a kind of a kind of low constant bath raio Dyeing Process of Cotton Yarn method that can effectively sum up laboratory sample yarn and dyeing workshop bulk production dyeing yarn Dry Sack difference rule to be provided.
For solving above-mentioned technical problem; The present invention realizes like this; A kind of bobbin is through the low constant bath raio Dyeing Process of Cotton Yarn method of axle, and its dyeing course comprises drawing a design in the laboratory, pre-treatment, dyeing, post-processing stages, confirms that in the said laboratory stage of drawing a design the bath raio value is 1:5; Be the weight ratio of yarn and water, this bath raio value is referred to as bath raio value one; Based on the weight that bath raio value one is calculated water outlet, the weight of water is the weight of 5 times of appearance yarns, is heated to 60 ℃; Dyestuff and glauber salt mix and add in the entry, and the adding weight of glauber salt is every premium on currency 15 grams, stirs and processes dye liquor; The appearance yarn is rendered in the dye liquor, and insulation is 20 minutes in dye liquor, adds soda ash again; The adding weight of soda ash is every premium on currency 5 grams, continues insulation 50 minutes; Check colors with the colour atla that the client confirms, confirm prescription and addition between the dyestuff;
In said pretreatment stage, first step, pre-treatment operation bath raio is 1:4.34, this bath raio value is referred to as bath raio value two; Add entry in preparation in the cylinder 1, the weight of water is to wait to dye 4.34 times of raw yarn weight, in said preparation cylinder, adds auxiliary agent simultaneously, after stirring with stirring rod 2; Open delivery pump 6, open suction valve 7, let the water in the said preparation cylinder be input in the master cylinder 8, open main pump 10; And open return valve 11, and the water in the said master cylinder 8 is back in the quantitative charging basket 3, and said quantitative charging basket 3 adds caustic soda; Open dissolved salt valve 4, open material feeding pump 5, let the soda bath in the quantitative charging basket 3 be input in the master cylinder 8; Dye liquor is warming up to 65 ℃, Yi Bian in quantitative charging basket 3, add water, Yi Bian add H2O2, injects then in the master cylinder 8; Continue to heat to 110 ℃, temperature retention time is controlled between 20 minutes to 40 minutes; Dye liquor gets into pressurization in the main pump 10, gets into playpipe 9 inside then, and dye liquor is through the mesh ejection of said playpipe 9, penetrate cheese or beamed yarn from inside to outside after, flow back in the main pump 10, circulate next time; After first step finished, the water in the master cylinder 8 was discharged;
Second step, said quantitative charging basket (3) adds HAC, and the water of adding and first step equivalent is injected into unidirectional once more circulation in the master cylinder (8) in the said preparation cylinder (1), and after second step cycle finished, the water in the master cylinder (8) was discharged;
Third step, said quantitative charging basket 3 adds the deoxidation enzyme, and the water of adding and first step equivalent is injected in the master cylinder 8 in the said preparation cylinder 1, unidirectional once more circulation, after the third step loop ends, the water in the master cylinder 8 is discharged;
In said dyeing stages operating bath raio value is 1:2.84; This bath raio value is referred to as bath raio value three, at first adds entry in preparation in the cylinder 1, and the weight of water is to wait to dye 2.84 times of raw yarn weight; Water temperature rises to 60 ℃; Open delivery pump 6, open suction valve 7, let the water in the said preparation cylinder 1 be input in the master cylinder 8; Said quantitative charging basket 3 successively adds dyestuff, and glauber salt, alkali, soda ash are opened dissolved salt valve 4; Open material feeding pump 5, let the dying material in the quantitative charging basket 3 be input in the master cylinder 8, dye liquor is after said main pump 8 pressurizations; Penetrate cheese or beamed yarn from inside to outside, carry out unidirectional circulation; When adding dyestuff with alkali, add entry simultaneously, the weight of water is weight and 1.5 times of differences of waiting to dye raw yarn weight of water of weight and three calculating of bath raio value of the water of a bath raio value calculating; Adding glauber salt is through opening return valve 11, letting the master cylinder backwater add water to the mode of quantitative charging basket.
Before the stage is drawn a design in said laboratory; The ERP conversion procedures of design production bath raio, with information dye lot number, produce odd numbers, within the flower number, number, raw yarn producer, color code, cylinder type, weight, temperature retention time, selection auxiliary agent config. number input technical recipe management system; Lot number is dyed in input in the circulation card data input interface of drawing a design in the said technical recipe management system, and computer generates said information automatically, searches out initial formulation.
In dyeing course, by the running of Frequency Converter Control main pump motor, said pretreatment stage and dyeing stage are adopted 100% frequency conversion, and said post-processing stages adopts 70%～90% frequency conversion.
The present invention is in dyeing course, and the technical characterictic that has adopted the operation bath raio value in the stage of drawing a design in actual bath raio value and the laboratory in dyeing stage to equate is 1:5; The weight ratio of the water that the yarn of Unit Weight is contacted with reality; The dyeing stage of stage and bulk production yarn of drawing a design in the laboratory of appearance yarn is consistent, thereby laboratory sample yarn and dyeing workshop bulk production yarn Dry Sack difference diminishes, according to the practical operation experience; Adjustment a little; Can effectively find laboratory sample yarn and dyeing workshop bulk production dyeing yarn Dry Sack difference rule, dyeing shoots straight, and can dye the yarn that meets the requirements of the customers by high rate.
Colouring method of the present invention is drawn a design when the operation bath raio value in stage equates in the actual bath raio value that guarantees the dyeing stage and laboratory, and the draw a design operation bath raio value in stage of laboratory is 1:5; The operation bath raio value of pretreatment stage is 1:4.34; The operation bath raio value in dyeing stage is 1:2.84, is low bath raio value, said pretreatment stage, dyeing stage and post-processing stages; Dye liquor soaks into yarn from the bobbin or the unidirectional from inside to outside circulation of warp axle that have hole after pressurizeing; Adopt this method can reduce the consumption of water effectively, reduce the consumption of dying material, saved the energy.Especially adopt the running of Frequency Converter Control main pump motor, said pretreatment stage and dyeing stage are adopted 100% frequency conversion, and said post-processing stages adopts 70%～90% frequency conversion, has guaranteed the flow according with process requirements, has further improved dyeing quality.
Before the stage was drawn a design in the laboratory, the ERP conversion procedures of design production bath raio had realized workshop dying operation simplification.
Description of drawings
Fig. 1 is the structure front view of yarn dyeing system.
The specific embodiment
In Fig. 1,1 is the preparation cylinder, and 2 is agitator, and 3 is quantitative charging basket, and 4 is the dissolved salt valve, and 5 are the material feeding pump, and 6 is delivery pump, and 7 are the suction valve, and 8 is master cylinder, and 9 is playpipe, and 10 is main pump, and 11 is return valve.
40 combed cotton water of cotton xanthochromia look process:
Before the stage is drawn a design in the laboratory; The ERP conversion procedures of design production bath raio, with information dye lot number, produce odd numbers, within the flower number, number, raw yarn producer, color code, cylinder type, weight, temperature retention time, selection auxiliary agent config. number input technical recipe management system; Lot number is dyed in input in the circulation card data input interface of drawing a design in the said technical recipe management system, and computer generates said information automatically, searches out initial formulation.
Draw a design in the laboratory: get 40 combed cotton appearance of cotton yarn, the appearance yarn is placed in the noggin on the electric furnace, boiling to boil makes kind yarn expand about 10 minutes, help infiltration after yarn expands, and is convenient to dyeing.Well-done appearance yarn was placed in the Water Extraction Machinery dehydration about about 1 minute.The weight ratio of yarn and water is referred to as bath raio, and getting the bath raio value is 1:5, and this bath raio value is the draw a design operation bath raio in stage of laboratory, is referred to as bath raio value one.Calculate the weight of water outlet according to the bath raio value, the weight of water is the weight of 5 times of appearance yarns, is heated to 60 ℃; Dyestuff and glauber salt mix and add in the entry, and the adding weight of glauber salt is every premium on currency 15 grams, stirs and processes dye liquor; The appearance yarn is rendered in the dye liquor, and insulation is 20 minutes in dye liquor, adds soda ash again; The adding weight of soda ash is every premium on currency 5 grams, continues insulation 50 minutes.Check colors with the colour atla that the client confirms, confirm prescription and addition between the dyestuff.
Pre-treatment: 1087.04 kilograms of 40 combed yarns of cotton, said yarn is wound up on the bobbin through bobbin winder, is covered with circular hole around the post jamb of bobbin, and dying material or clear water are contaminated on the yarn through circular hole.The net weight of every cheese is 1.2 kilograms, and the number of elements of bobbin is 906, or prepare equal in quality 40 combed yarns through axle, intert on playpipe 9 with bobbin or through axle, go in the master cylinder 8 by the driving lifting.
Pre-treatment operation bath raio is controlled within 1:2.5 to 6.5 scope, and the pre-treatment operation bath raio in the present embodiment is 1:4.34, and this bath raio value is referred to as bath raio two.At first first step adds 4717.75 kilograms of entry in preparation cylinder 1, in the preparation cylinder, adds auxiliary agent simultaneously; Auxiliary agent can be GL-402 and AW-50; After stirring with stirring rod 2, open delivery pump 6, open suction valve 7; Let the water for preparing in the cylinder be input in the master cylinder 8, this moment, water level covered 30% to 80% of yarn.Open main pump 10, and open return valve 11, the water in the master cylinder is back in the quantitative charging basket 3, and quantitatively charging basket 3 adds caustic soda, opens dissolved salt valve 4, opens material feeding pump 5, lets the soda bath in the quantitative charging basket 3 be input in the master cylinder 8.Dye liquor is warming up to 65 ℃, Yi Bian in quantitative charging basket 3, add water, Yi Bian add H2O2, injects then in the master cylinder 8.Continue to heat to 110 ℃, temperature retention time is being controlled between 20 minutes to 40 minutes, is preferably 30 minutes.Realize low bath raio, change tradition and completely bathe main pump change pump function mode, through main pump 10; Both sides' circulation by original changes unidirectional circulation into, and dye liquor gets into pressurization in the main pump 10, gets into playpipe 9 inside; Dye liquor is through the mesh ejection of playpipe; After penetrating cheese from inside to outside, flow back in the main pump 10, circulate next time.In order to guarantee that the yarn dyeing quality meets the requirements, require dye liquor evenly and constant pressure penetrate yarn, the bath raio value is more little, require the flow velocity of dye liquor in dyeing machine just faster and require constant, just high more for the power requirement of dyeing machine main pump motor.Can be by the running of Frequency Converter Control main pump motor, thus reach the effect of control dye liquor pressure.After first step finished, the water in the master cylinder 8 was discharged.Second step, in yarn in alkalescence, the adjustment pH value adds HAC through quantitative charging basket 3, adds the water with step 1 equivalent in the preparation cylinder 1, is injected into unidirectional once more circulation in the master cylinder 8, after this step cycle finished, the water in the master cylinder 8 was discharged.Third step adds the deoxidation enzyme through quantitative charging basket 3, and the water of adding and step 1 equivalent is injected in the master cylinder 8 in the preparation cylinder 1, unidirectional once more circulation, and after this step cycle finished, the water in the master cylinder 8 was discharged.
Dyeing: because yarn is through pre-treatment; Yarn contains certain water yield, and in order to reach the purpose of constant bath raio, the operation bath raio value in the dyeing stage is controlled within 1:1.5 to 3 scope; Dyeing stages operating bath raio in the present embodiment is 1:2.84, and this bath raio value is referred to as bath raio value three.At first in the preparation cylinder, add 3087.19 kilograms of entry, water temperature rises to 60 ℃, opens delivery pump 6, opens suction valve 7, lets the water for preparing in the cylinder be input in the master cylinder 8.Quantitatively charging basket 3 successively adds dyestuff, and glauber salt, alkali, soda ash are opened dissolved salt valve 4, open material feeding pump 5, lets the dying material in the quantitative charging basket 3 be input in the master cylinder 8, and dye liquor penetrates cheese or beamed yarn from inside to outside after main pump pressurizes, carry out unidirectional circulation.When adding dyestuff and alkali, add 717.45 kilograms of entry simultaneously, adding glauber salt is through opening return valve 11, letting the master cylinder backwater add water to the mode of quantitative charging basket.In the dyeing stage, the contained water of the water that in the preparation cylinder, adds that its water yield is come, wet yarn, the water that adds when adding dyestuff and alkali, the yarn of this moment and the ratio of water equal the draw a design operation bath raio value in stage of laboratory, and promptly bath raio is worth one.
Post processing: after preparation cylinder 1 adds entry, be warming up to 80 ℃, inject master cylinder 8, successively add HAC, soaping agent, softener through quantitative charging basket 3.
Bath raio value one, bath raio value two, bath raio value three are operation bath raio value; bath raio value one is with the relation of bath raio value two; pretreatment stage is exactly the water yield of calculating according to bath raio value one according to the water yield and adding water yield sum when the dyeing stage adds dyestuff and alkali that bath raio value two calculates.
Bath raio value two is that with the relation of bath raio value three the dying operation stage is exactly the water yield of calculating according to bath raio value two according to the water yield that obtains of bath raio value three calculating and the moisture sum of the wet yarn of process pre-treatment.
Bath raio value one is with the relation of bath raio value three; The water yield that calculates according to bath raio value one; Equal in bulk production dyeing stage actual used water amount; This actual used water amount reaches the water yield sum that wets the yarn moisture and when the dyeing stage adds dyestuff and alkali, add through pre-treatment for calculating the water yield that obtains according to bath raio value three.The draw a design bath raio value in stage of the actual bath raio value that so just guarantees the bulk production dyeing stage and laboratory equates.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Other modifications that those of ordinary skills make technical scheme of the present invention perhaps are equal to replacement; Only otherwise break away from the spirit and the scope of technical scheme of the present invention, all should be encompassed in the middle of the claim scope of the present invention.
Claims (3)
1. a bobbin is through the low constant bath raio Dyeing Process of Cotton Yarn method of axle, and its dyeing course comprises drawing a design in the laboratory, pre-treatment, dyeing, post processing four-stage, it is characterized in that,
Draw a design the stage in said laboratory, confirm that constant bath raio value is 1:5, cotton yarn and water are heated to 60 ℃; Dyestuff and glauber salt mix and add in the entry, and the adding weight of glauber salt is every premium on currency 15 grams, stirs and processes dye liquor; The appearance yarn is rendered in the dye liquor, and insulation is 20 minutes in dye liquor, adds soda ash again; The adding weight of soda ash is every premium on currency 5 grams, continues insulation 50 minutes;
In said pretreatment stage, divide three steps, specifically comprise,
First step, pre-treatment operation bath raio is 1:4.34, in preparation cylinder (1), adds entry; In said preparation cylinder, add auxiliary agent simultaneously, after stirring with stirring rod (2), open delivery pump (6); Open suction valve (7), let the water in the said preparation cylinder be input in the master cylinder (8), open main pump (10); And open return valve (11), and the water in the said master cylinder (8) is back in the quantitative charging basket (3), and said quantitative charging basket (3) adds caustic soda; Open dissolved salt valve (4), open material feeding pump (5), let the soda bath in the quantitative charging basket (3) be input in the master cylinder (8); Dye liquor is warming up to 65 ℃, to quantitative charging basket (3) Yi Bian in add water, Yi Bian add H2O2, inject then in the master cylinder (8); Continue to heat to 110 ℃, temperature retention time is controlled between 20 minutes to 40 minutes; Dye liquor gets into pressurization in the main pump (10), gets into playpipe (9) inside then, and dye liquor is through the mesh ejection of said playpipe (9), penetrate cheese or beamed yarn from inside to outside after, flow back in the main pump (10), circulate next time; After first step finished, the water in the master cylinder (8) was discharged;
Second step, said quantitative charging basket (3) adds HAC, and the water of adding and first step equivalent is injected into unidirectional once more circulation in the master cylinder (8) in the said preparation cylinder (1), and after second step cycle finished, the water in the master cylinder (8) was discharged;
Third step, said quantitative charging basket (3) adds the deoxidation enzyme, and the water of adding and first step equivalent is injected in the master cylinder (8) in the said preparation cylinder (1), unidirectional once more circulation, after the third step loop ends, the water in the master cylinder (8) is discharged;
In the said dyeing stage, operation bath raio value is 1:2.84, at first in preparation cylinder (1), adds entry, and water temperature rises to 60 ℃, opens delivery pump (6), opens suction valve (7), lets the water in the said preparation cylinder (1) be input in the master cylinder (8); Said quantitative charging basket (3) successively adds dyestuff; Glauber salt, alkali, soda ash are opened dissolved salt valve (4), open material feeding pump (5); Let the dying material in the quantitative charging basket (3) be input in the master cylinder (8); Dye liquor penetrates cheese or beamed yarn from inside to outside after said main pump (8) pressurization, carry out unidirectional circulation; When adding dyestuff with alkali, add entry simultaneously, the weight of water is the weight of the water that calculates of pre-treatment uncle behaviour bath raio value and weight and 1.5 times of differences of waiting to dye raw yarn weight of the water of dyeing stages operating bath raio value calculating; Adding glauber salt is through opening return valve (11), letting the master cylinder backwater add water to the mode of quantitative charging basket.
2. bobbin according to claim 1 is characterized in that through the low constant bath raio Dyeing Process of Cotton Yarn method of axle, draws a design the stage in said laboratory, and the ERP technical recipe management system program of design production bath raio forms initial formulation.
3. bobbin according to claim 1 is through the low constant bath raio Dyeing Process of Cotton Yarn method of axle; It is characterized in that; By the running of Frequency Converter Control main pump motor, said pretreatment stage and dyeing stage are adopted 100% frequency conversion, and said post-processing stages adopts 70%～90% frequency conversion.
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| CN103398954A (en) * | 2013-07-19 | 2013-11-20 | 上海嘉麟杰纺织品股份有限公司 | Fent color decision method for dacron/spandex textile |
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| CN107641989A (en) * | 2017-10-30 | 2018-01-30 | 佛山市巴苏尼机械有限公司 | A kind of application preparation cylinder is automatically for the dyeing of water |
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| CN110656458A (en) * | 2019-10-12 | 2020-01-07 | 安徽华茂织染有限公司 | Bath ratio adjustable cheese sample dyeing device and use method thereof |
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