CN102605577B - Dyeing process of dry spinning cakes of viscose filaments - Google Patents
Dyeing process of dry spinning cakes of viscose filaments Download PDFInfo
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- CN102605577B CN102605577B CN201210078046.6A CN201210078046A CN102605577B CN 102605577 B CN102605577 B CN 102605577B CN 201210078046 A CN201210078046 A CN 201210078046A CN 102605577 B CN102605577 B CN 102605577B
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- bean curd
- dried bean
- cake
- shredded dried
- dyeing
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/04—Carriers or supports for textile materials to be treated
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
- D06B15/10—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by use of centrifugal force
Abstract
The invention discloses a dyeing process of dry spinning cakes of viscose filaments, belonging to the technical field of dyeing dry spinning cakes in the dyeing industry, wherein the process comprises the following steps of drying the spinning cakes, installing a cylinder liner, arranging a creel, pre-treating, dyeing, post-treating and tubing; the horizontal distance between outer sides of the dry spinning cakes on each two adjacent yarn posts is controlled at 2-50 mm in the process of arranging a creel; in the pre-treating process water is added into a dye vat to completely immerse the dry spinning cakes and swell the yarns; and the yarns are swollen until the pressure difference between the pressure at the outer side of the dry spinning cake and that in the cylinder liner is at least 0.6 kg. The sealability of the dry spinning cakes is maximized by adopting the complete technical scheme in the invention so as to achieve a uniform state for final dyeing; meanwhile, the efficiency of the whole dry spinning cake dyeing process can be improved; the production cost is greatly reduced; and pollution to the environment is reduced.
Description
Technical field
The present invention relates to a kind of dyeing of viscose filament yarn, more particularly, the present invention relates to a kind of shredded dried bean curd cake dyeing of viscose filament yarn, belong to the shredded dried bean curd cake staining technique field of dyeing.
Background technology
Viscose is that to utilize cotton linter or timber etc. be raw material, by purification process such as boiling, bleachings, makes pulp, then make by a series of production processes such as stoste manufacture (making viscose glue by yellow), spinning (cellulosic regeneration) and post processings.Main process is as follows:
1, the preparation of rayon spinning liquid: pulp and concentrated base effect are made to alkali cellulose, then alkali cellulose and carbon disulfide effect are generated to cellulose xanthate;
2, spinning technique: the viscose glue thread squeezing out through spinneret orifice, enter containing sour coagulating bath, cellulose xanthate decomposes, cellulose regenerated;
3, post processing: comprise washing, desulfurization, bleach, oil and the process such as oven dry.
So-called dyeing allows fiber textile catch the process of designated color with dyestuff by certain method exactly.Dyeing course refers to the process of dying fiber and being combined with fiber on dyestuff.Along with the carrying out of above dying, in dye liquor, the concentration of dyestuff is more and more less, and on fiber, dye strength is increasing, until on dye and reach balance.Dyeing course comprise three phases: absorption, diffusion and set.
It is 02133370.X that State Intellectual Property Office discloses an application number in 2003.12.31, name is called the patent of invention of " novel process for cake dyeing ", this disclosure of the invention a kind of new technology of viscose filament yarn cake dyeing, the spinning cake that spinning machine is produced directly dyes after compressing and washing in dye vat, concrete technology flow process is as follows: spinning machine is produced spinning cake, compress and wash, dehydration, dyeing, dry, become cylinder, spinning cake of the present invention is only dried to be needed to dry once, spinning cake is strong, degree of stretching loss is little, can adapt to the requirement of loom to all size dyeing spinning cake, reduce investment and reduce production costs, yield is high, lousiness is few, improve product quality.
It is 200710049790.2 that State Intellectual Property Office discloses an application number in 2008.1.23, name is called the patent of invention of " synchronous padding method for raw spinning cake ", this disclosure of the invention the synchronous padding method for raw spinning cake of a kind of spinning cake post processing and dyeing, adopt the method raw silk cake compress and wash and dye and merge into a set of technique by two cover techniques, in a device, complete and compress and wash and dye.Step is as follows: dress yarn, dyeing pre-treatment, dyeing, dyeing post processing.The present invention improves production procedure, reduces artificial contact spinning cake number of times, guarantees spinning cake shaping; 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 is from inside to outside inside and outside alternate cycles, poor layer by layer inside and outside minimizing, improves dyeing quality.
It is 02223102.1 that State Intellectual Property Office discloses an application number in 2003.5.28, name is called the utility model patent of " dyeing machine for viscose filament rayon cake ", this patent discloses a kind of viscose filament yarn dyeing machine, comprise master cylinder, chassis, main frame pump, by main frame pump, provide dye bath to circulate, the support that has several evenly distributed columns to form with vertical connection of chassis is positioned at master cylinder, and column is provided with the evenly distributed reticulated cell for leakage.
Spinning cake in the technical scheme of above-mentioned patent is due to the control index using the pressure in shredded dried bean curd cake outside and the pressure reduction between the pressure in cylinder sleeve as a swelling effect quality not, simultaneously because the shredded dried bean curd cake dyeing in past is not controlled the horizontal range between the shredded dried bean curd cake outside on adjacent yarn post, cause waste and the sealing property of dye liquor and auxiliary agent bad, the swelling of shredded dried bean curd cake is processed not, make dyeing uniformity poor, cost and quality can not reach an effective controlled range.
Summary of the invention
The present invention is intended to solve in above-mentioned prior art, due to the control index using the pressure in shredded dried bean curd cake outside and the pressure reduction between the pressure in cylinder sleeve as a swelling effect quality not, simultaneously because the shredded dried bean curd cake dyeing in past is not controlled the horizontal range between the shredded dried bean curd cake outside on adjacent every two yarn posts, cause waste and the sealing property of dye liquor and auxiliary agent bad, the swelling of shredded dried bean curd cake is processed not, make dyeing uniformity poor, cost and quality can not reach an effective controlled range, the dyeing of a kind of viscose filament yarn shredded dried bean curd cake that therefore this patent provides is a set of hierarchy of control of setting up for the dry cake dyeing of viscose filament yarn, choose the control index that can meet dyeing cost and dyeing uniformity thereof, thereby make the dry cake dyeing can be both even, can reduce costs again.
In order to realize foregoing invention object, its concrete technical scheme is as follows:
A kind of shredded dried bean curd cake dyeing of viscose filament yarn, its processing step comprises dries spinning cake, dress cylinder sleeve, upper creel, pre-treatment, dyeing, post processing and becomes cylinder, it is characterized in that: described upper creel refers to and pack the cylinder sleeve that shredded dried bean curd cake is housed in the dye vat yarn post on yarn dish, and to control the horizontal range between shredded dried bean curd cake outside on adjacent every two yarn posts be 2～50mm; Described pre-treatment is to point to water inlet in dye vat, by the complete submergence of shredded dried bean curd cake, carries out strand swelling, and swelling is at least 0.6kg to the pressure in shredded dried bean curd cake outside and the pressure reduction between the pressure in cylinder sleeve.
Oven dry spinning cake operation of the present invention refers to carries out spun spinning cake after removal of impurities, through dehydration procedure, the unnecessary moisture of spinning cake is sloughed, made the moisture control of strand 80～150%, then through drying, the regain of strand is controlled to 5～50%, forms shredded dried bean curd cake.
Dress cylinder sleeve of the present invention refers to shredded dried bean curd cake is inserted in to cylinder sleeve, and controls cylinder sleeve pallet external diameter than the outer path length 0～20mm of shredded dried bean curd cake, and the difference between shredded dried bean curd cake internal diameter and cylinder sleeve external diameter is 4～40mm, the high 0～10mm of cylinder sleeve aspect ratio shredded dried bean curd cake height.
Upper creel of the present invention refers to and packs the cylinder sleeve that shredded dried bean curd cake is housed in the dye vat yarn post on yarn dish, is piled up, until fill all yarn posts, the difference between the internal diameter of described cylinder sleeve and yarn post external diameter is 4～100mm.
Swelling of the present invention refers to the circulation of outflowing of shredded dried bean curd cake, swelling is at least 0.6kg to the pressure in shredded dried bean curd cake outside and the pressure reduction between the pressure in cylinder sleeve, described outflow circulation time flow is brought up to 20Hz by 0Hz according to the speed of 2Hz/min, and temperature rises at least 70 ℃ by normal temperature according to the heating rate of 2 ℃/min.
Above-mentioned outflow circulation, for dye vat self function, is existing routine techniques.
In pretreatment procedure of the present invention, after swelling (being that the pressure in shredded dried bean curd cake outside and the pressure reduction between the pressure in cylinder sleeve are at least after 0.6kg), continue to keep outflow circulation, simultaneously according to the volume of water, first add soda ash (Na
2cO
3) 1～3 g/L, then the powder (Na that takes a policy
2s
2o
4) 1～3g/L, be then warming up to 80～110 ℃, be incubated 10～30 minutes after by water discharge, then intake, by the submergence of shredded dried bean curd cake, wash 2 times.
Above-mentioned washing refers to and is warming up to 50～90 ℃, water discharged after being incubated 10～30 minutes.
Dyeing of the present invention refers to use REACTIVE DYES, under the state of dipping, adopts that conventional one-bath two-step process is urged to dye, fixation.
Post processing of the present invention comprises dehydration and oven dry, and described dehydration adopts semi-automatic disk Water Extraction Machinery; Described oven dry adopts radio frequency dryer.
The useful technique effect that the present invention brings:
1, shredded dried bean curd cake dyeing of the prior art is not owing to controlling the horizontal range between shredded dried bean curd cake outside on adjacent yarn post, and the too little sealing property of distance is bad, affects dyeability, cause last dyeing inhomogeneous, distance is too large, can cause dye liquor and auxiliary dosage to increase, and has increased cost; And do not control pressure outside shredded dried bean curd cake and the pressure reduction between the pressure in cylinder sleeve well, also can cause dyeing inhomogeneous.Because the present invention controls the horizontal range between shredded dried bean curd cake outside on adjacent yarn post, be 2～50mm, the terminal index that pressure outside shredded dried bean curd cake and the pressure reduction between the pressure in cylinder sleeve are processed as swelling simultaneously, so can provide good sealing to shredded dried bean curd cake, the swelling Disposal quality of shredded dried bean curd cake is improved, make final even dyeing, cost and quality reach an effective controlled range, reach dry cake dyeing both even, the object that cost can reduce again;
2, in the present invention, due to the parameter setting between shredded dried bean curd cake, cylinder sleeve, yarn post and cylinder sleeve pallet in dress cylinder sleeve operation, can guarantee that a plurality of cylinder sleeves are overlapping, while starting to dye, realize good sealing, dye liquor can both eject by shredded dried bean curd cake, and can not eject from the gap between shredded dried bean curd cake upper end and a upper cylinder sleeve pallet, the parameter setting of shredded dried bean curd cake internal diameter and cylinder sleeve external diameter can avoid shredded dried bean curd cake to be impacted by dye liquor, causes distortion; The parameter setting of cylinder sleeve internal diameter and yarn post external diameter can prevent that cylinder sleeve is crooked on yarn post, makes even density after swelling, thus final even dyeing; The parameter setting of shredded dried bean curd cake external diameter and cylinder sleeve pallet external diameter can be held spinning cake lower surface better, when dyeing, is difficult for washing away and collapses, and making to be shaped is not damaged;
3, due to according to a certain amount of and order take a policy powder and soda ash, can reduce polysulfide structure material remaining in strand, residual sulphur in spinning cake be reduced, and reach uniform state, dye liquor is dyed on can be evenly;
4, swelling process in owing to adopting progressively raise temperature and frequency, can effectively take out and prepare finish residual in spinning cake process, improve dyeing uniformity;
5, because dye liquor easily hydrolysis in water, in the process of drying, moisture evaporation, can make the dye liquor of hydrolysis take skin and the end face of spinning cake to, cause spinning cake top layer and internal color inhomogeneous, because the present invention adopts semi-automatic disk Water Extraction Machinery dehydration, so can make each point of shredded dried bean curd cake moisture evenly, and moisture content is low, so just can improve efficiency and dries quantity that subsequent processing is dried;
6, because the present invention adopts radio frequency dryer, dry, can utilize the polar movement of hydrone under high-frequency electric field effect, in drying thing, cause sharp impacts, thereby reach hydrone, from inside, evaporate.Its is distinguished and traditional direct heating, drying mode, has efficiency high, dries evenly, little to drying thing damage, the advantages such as regain precise control.Being applicable to automation controls.The penetrability of electromagnetic field makes to dry thing and has certain bulking effect, has improved greatly elasticity, pliability and feel, and especially to light fabric, after drying, color and luster effect is more desirable;
7, by adopting the complete technical scheme of the present invention, farthest improve the sealing of shredded dried bean curd cake, thereby made final dyeing reach uniform state, can improve the efficiency of whole shredded dried bean curd cake dyeing simultaneously, greatly lower production cost, reduced the pollution to environment.
Accompanying drawing explanation
Fig. 1 is the schematic diagram being socketed mutually between shredded dried bean curd cake, cylinder sleeve and yarn post;
Fig. 2 is for to pack the cylinder sleeve that shredded dried bean curd cake is housed into schematic diagram after yarn post;
Fig. 3 is the front view of the yarn post on yarn dish and yarn dish;
Fig. 4 is the top view of the yarn post that installs shredded dried bean curd cake, cylinder sleeve on yarn dish and yarn dish.
Reference numeral: 1 be yarn post, 2 for cylinder sleeve, 3 for shredded dried bean curd cake, 4 for cylinder sleeve pallet, 5 for yarn dish, 6 for yarn post external diameter, 7 for cylinder sleeve internal diameter, 8 for cylinder sleeve external diameter, 9 for shredded dried bean curd cake internal diameter, 10 for shredded dried bean curd cake external diameter, 11 for yarn dish external diameter, 12 for the horizontal range between shredded dried bean curd cake outside on adjacent every two yarn posts, 13 for shredded dried bean curd cake height, 14 be cylinder sleeve height.
The specific embodiment
A kind of shredded dried bean curd cake dyeing of viscose filament yarn, its processing step comprises dries spinning cake, dress cylinder sleeve, upper creel, pre-treatment, dyeing, post processing and becomes cylinder, described upper creel refers to and packs the cylinder sleeve that shredded dried bean curd cake is housed in the dye vat yarn post on yarn dish, and to control the horizontal range between shredded dried bean curd cake outside on adjacent every two yarn posts be 2mm; Described pre-treatment is to point to water inlet in dye vat, by the complete submergence of shredded dried bean curd cake, carries out strand swelling, and swelling is 0.6kg to pressure and the pressure reduction between the pressure in cylinder sleeve in shredded dried bean curd cake outside.
The pressure in shredded dried bean curd cake outside and the pressure reduction between the pressure in cylinder sleeve reach 0.6kg and complete swelling, as long as be more than or equal to 0.6kg, other operations all adopt normal dyeing technological process and parameter to control.
A kind of shredded dried bean curd cake dyeing of viscose filament yarn, its processing step comprises dries spinning cake, dress cylinder sleeve, upper creel, pre-treatment, dyeing, post processing and becomes cylinder, described upper creel refers to and packs the cylinder sleeve that shredded dried bean curd cake is housed in the dye vat yarn post on yarn dish, and to control the horizontal range between shredded dried bean curd cake outside on adjacent every two yarn posts be 50mm; Described pre-treatment is to point to water inlet in dye vat, by the complete submergence of shredded dried bean curd cake, carries out strand swelling, and swelling is at least 1.2kg to the pressure in shredded dried bean curd cake outside and the pressure reduction between the pressure in cylinder sleeve.
The pressure in shredded dried bean curd cake outside and the pressure reduction between the pressure in cylinder sleeve reach 0.6kg and complete swelling, as long as be more than or equal to 0.6kg, other operations all adopt normal dyeing technological process and parameter to control.
A kind of shredded dried bean curd cake dyeing of viscose filament yarn, its processing step comprises dries spinning cake, dress cylinder sleeve, upper creel, pre-treatment, dyeing, post processing and becomes cylinder, described upper creel refers to and packs the cylinder sleeve that shredded dried bean curd cake is housed in the dye vat yarn post on yarn dish, and to control the horizontal range between shredded dried bean curd cake outside on adjacent every two yarn posts be 26mm; Described pre-treatment is to point to water inlet in dye vat, by the complete submergence of shredded dried bean curd cake, carries out strand swelling, and swelling is at least 0.9kg to the pressure in shredded dried bean curd cake outside and the pressure reduction between the pressure in cylinder sleeve.
The pressure in shredded dried bean curd cake outside and the pressure reduction between the pressure in cylinder sleeve reach 0.6kg and complete swelling, as long as be more than or equal to 0.6kg, other operations all adopt normal dyeing technological process and parameter to control.
A kind of shredded dried bean curd cake dyeing of viscose filament yarn, its processing step comprises dries spinning cake, dress cylinder sleeve, upper creel, pre-treatment, dyeing, post processing and becomes cylinder, described upper creel refers to and packs the cylinder sleeve that shredded dried bean curd cake is housed in the dye vat yarn post on yarn dish, and to control the horizontal range between shredded dried bean curd cake outside on adjacent every two yarn posts be 15mm; Described pre-treatment is to point to water inlet in dye vat, by the complete submergence of shredded dried bean curd cake, carries out strand swelling, and swelling is at least 1.1kg to the pressure in shredded dried bean curd cake outside and the pressure reduction between the pressure in cylinder sleeve.
The pressure in shredded dried bean curd cake outside and the pressure reduction between the pressure in cylinder sleeve reach 0.6kg and complete swelling, as long as be more than or equal to 0.6kg, other operations all adopt normal dyeing technological process and parameter to control.
A shredded dried bean curd cake dyeing, its processing step is as follows:
A, oven dry spinning cake
Spun viscose fiber filament spinning cake is carried out after removal of impurities, through dehydration procedure, the unnecessary moisture of spinning cake is sloughed, make the moisture control of strand 80%, then through drying, the regain of strand is controlled to 5%, form shredded dried bean curd cake;
B, dress cylinder sleeve
Shredded dried bean curd cake is inserted in to cylinder sleeve, and it is identical with the external diameter of shredded dried bean curd cake to control cylinder sleeve pallet external diameter, the difference between shredded dried bean curd cake internal diameter and cylinder sleeve external diameter is 4mm, and the height of cylinder sleeve is identical with the height of shredded dried bean curd cake;
C, upper creel
Pack the cylinder sleeve that shredded dried bean curd cake is housed in the dye vat yarn post on yarn dish, be piled up, until fill all yarn posts, and to control the horizontal range between shredded dried bean curd cake outside on adjacent every two yarn posts be 2mm, and the difference between the internal diameter of described cylinder sleeve and yarn post external diameter is 4mm;
D, pre-treatment
In dye vat, intake, by the complete submergence of shredded dried bean curd cake, carry out strand swelling, described swelling refers to the circulation of outflowing of shredded dried bean curd cake, until the pressure in shredded dried bean curd cake outside and the pressure reduction between the pressure in cylinder sleeve are at least 0.6kg, described outflow circulation time flow is brought up to 20Hz by 0Hz according to the speed of 2Hz/min, and temperature rises at least 70 ℃ by normal temperature according to the heating rate of 2 ℃/min;
Preferably, if further guarantee the quality of follow-up dyeing product, in pretreatment procedure, after swelling, continue to keep outflow circulation, simultaneously according to the volume of water, first add soda ash (Na
2cO
3) 1 g/L, then the powder (Na that takes a policy
2s
2o
4) 1g/L, be then warming up to 80 ℃, be incubated 10 minutes after by water discharge, then intake, by the submergence of shredded dried bean curd cake, wash 2 times, washing refers to and is warming up to 50 ℃, water discharged after being incubated 10 minutes;
E, dyeing
Use REACTIVE DYES, under the state of dipping, employing one-bath two-step process is urged to dye, fixation;
F, post processing
Post processing of the present invention comprises dehydration and oven dry, and described dehydration adopts semi-automatic disk Water Extraction Machinery; Described oven dry adopts radio frequency dryer.
G, one-tenth cylinder
According to routine, become cylinder to operate, obtain last product.
embodiment 6
A shredded dried bean curd cake dyeing, its processing step is as follows:
A, oven dry spinning cake
Spun viscose fiber filament spinning cake is carried out after removal of impurities, through dehydration procedure, the unnecessary moisture of spinning cake is sloughed, make the moisture control of strand 150%, then through drying, the regain of strand is controlled to 50%, form shredded dried bean curd cake;
B, dress cylinder sleeve
Shredded dried bean curd cake is inserted in to cylinder sleeve, and controls cylinder sleeve pallet external diameter than the outer path length 20mm of shredded dried bean curd cake, the difference between shredded dried bean curd cake internal diameter and cylinder sleeve external diameter is 40mm, the high 10mm of height of the aspect ratio shredded dried bean curd cake of cylinder sleeve;
C, upper creel
Pack the cylinder sleeve that shredded dried bean curd cake is housed in the dye vat yarn post on yarn dish, be piled up, until fill all yarn posts, and to control the horizontal range between shredded dried bean curd cake outside on adjacent every two yarn posts be 50mm, and the difference between the internal diameter of described cylinder sleeve and yarn post external diameter is 100mm;
D, pre-treatment
In dye vat, intake, by the complete submergence of shredded dried bean curd cake, carry out strand swelling, described swelling refers to the circulation of outflowing of shredded dried bean curd cake, until the pressure in shredded dried bean curd cake outside and the pressure reduction between the pressure in cylinder sleeve are at least 0.6kg, described outflow circulation time flow is brought up to 20Hz by 0Hz according to the speed of 2Hz/min, and temperature rises at least 70 ℃ by normal temperature according to the heating rate of 2 ℃/min;
Preferably, if further guarantee the quality of follow-up dyeing product, in pretreatment procedure, after swelling, continue to keep outflow circulation, simultaneously according to the volume of water, first add soda ash (Na
2cO
3) 3 g/L, then the powder (Na that takes a policy
2s
2o
4) 3g/L, be then warming up to 110 ℃, be incubated 30 minutes after by water discharge, then intake, by the submergence of shredded dried bean curd cake, wash 2 times, washing refers to and is warming up to 90 ℃, water discharged after being incubated 30 minutes;
E, dyeing
Use REACTIVE DYES, under the state of dipping, employing one-bath two-step process is urged to dye, fixation;
F, post processing
Post processing of the present invention comprises dehydration and oven dry, and described dehydration adopts semi-automatic disk Water Extraction Machinery; Described oven dry adopts radio frequency dryer.
G, one-tenth cylinder
According to routine, become cylinder to operate, obtain last product.
A shredded dried bean curd cake dyeing, its processing step is as follows:
A, oven dry spinning cake
Spun viscose fiber filament spinning cake is carried out after removal of impurities, through dehydration procedure, the unnecessary moisture of spinning cake is sloughed, make the moisture control of strand 115%, then through drying, the regain of strand is controlled to 27.5%, form shredded dried bean curd cake;
B, dress cylinder sleeve
Shredded dried bean curd cake is inserted in to cylinder sleeve, and controls cylinder sleeve pallet external diameter than the outer path length 10mm of shredded dried bean curd cake, the difference between shredded dried bean curd cake internal diameter and cylinder sleeve external diameter is 22mm, the high 5mm of height of the aspect ratio shredded dried bean curd cake of cylinder sleeve;
C, upper creel
Pack the cylinder sleeve that shredded dried bean curd cake is housed in the dye vat yarn post on yarn dish, be piled up, until fill all yarn posts, and to control the horizontal range between shredded dried bean curd cake outside on adjacent every two yarn posts be 26mm, and the difference between the internal diameter of described cylinder sleeve and yarn post external diameter is 52mm;
D, pre-treatment
In dye vat, intake, by the complete submergence of shredded dried bean curd cake, carry out strand swelling, described swelling refers to the circulation of outflowing of shredded dried bean curd cake, until the pressure in shredded dried bean curd cake outside and the pressure reduction between the pressure in cylinder sleeve are at least 0.6kg, described outflow circulation time flow is brought up to 20Hz by 0Hz according to the speed of 2Hz/min, and temperature rises at least 70 ℃ by normal temperature according to the heating rate of 2 ℃/min;
Preferably, if further guarantee the quality of follow-up dyeing product, in pretreatment procedure, after swelling, continue to keep outflow circulation, simultaneously according to the volume of water, first add soda ash (Na
2cO
3) 2 g/L, then the powder (Na that takes a policy
2s
2o
4) 2g/L, be then warming up to 95 ℃, be incubated 20 minutes after by water discharge, then intake, by the submergence of shredded dried bean curd cake, wash 2 times, washing refers to and is warming up to 70 ℃, water discharged after being incubated 20 minutes;
E, dyeing
Use REACTIVE DYES, under the state of dipping, employing one-bath two-step process is urged to dye, fixation;
F, post processing
Post processing of the present invention comprises dehydration and oven dry, and described dehydration adopts semi-automatic disk Water Extraction Machinery; Described oven dry adopts radio frequency dryer.
G, one-tenth cylinder
According to routine, become cylinder to operate, obtain last product.
embodiment 8
A shredded dried bean curd cake dyeing, its processing step is as follows:
A, oven dry spinning cake
Spun viscose fiber filament spinning cake is carried out after removal of impurities, through dehydration procedure, the unnecessary moisture of spinning cake is sloughed, make the moisture control of strand 92%, then through drying, the regain of strand is controlled to 16%, form shredded dried bean curd cake;
B, dress cylinder sleeve
Shredded dried bean curd cake is inserted in to cylinder sleeve, and controls cylinder sleeve pallet external diameter than the outer path length 18mm of shredded dried bean curd cake, the difference between shredded dried bean curd cake internal diameter and cylinder sleeve external diameter is 33mm, the high 2mm of height of the aspect ratio shredded dried bean curd cake of cylinder sleeve;
C, upper creel
Pack the cylinder sleeve that shredded dried bean curd cake is housed in the dye vat yarn post on yarn dish, be piled up, until fill all yarn posts, and to control the horizontal range between shredded dried bean curd cake outside on adjacent every two yarn posts be 15mm, and the difference between the internal diameter of described cylinder sleeve and yarn post external diameter is 85mm;
D, pre-treatment
In dye vat, intake, by the complete submergence of shredded dried bean curd cake, carry out strand swelling, described swelling refers to the circulation of outflowing of shredded dried bean curd cake, until the pressure in shredded dried bean curd cake outside and the pressure reduction between the pressure in cylinder sleeve are at least 0.6kg, described outflow circulation time flow is brought up to 20Hz by 0Hz according to the speed of 2Hz/min, and temperature rises at least 70 ℃ by normal temperature according to the heating rate of 2 ℃/min;
Preferably, if further guarantee the quality of follow-up dyeing product, in pretreatment procedure, after swelling, continue to keep outflow circulation, simultaneously according to the volume of water, first add soda ash (Na
2cO
3) 2.6 g/L, then the powder (Na that takes a policy
2s
2o
4) 1.2g/L, be then warming up to 83 ℃, be incubated 29 minutes after by water discharge, then intake, by the submergence of shredded dried bean curd cake, wash 2 times, washing refers to and is warming up to 66 ℃, water discharged after being incubated 13 minutes;
E, dyeing
Use REACTIVE DYES, under the state of dipping, employing one-bath two-step process is urged to dye, fixation;
F, post processing
Post processing of the present invention comprises dehydration and oven dry, and described dehydration adopts semi-automatic disk Water Extraction Machinery; Described oven dry adopts radio frequency dryer.
G, one-tenth cylinder
According to routine, become cylinder to operate, obtain last product.
embodiment 9
Dyeing employing one-bath two-step process is urged to dye, fixation, and the method is common process, and concrete steps and parameter are controlled as follows:
A, normal temperature add dyestuff: fully in secondary cylinder, utilize high temperature soft water and high-speed stirred that REACTIVE DYESization is loose dyestuff, can not make it solidify, lump, then in two circulations, squeeze into uniformly in master cylinder, its abundant and shredded dried bean curd cake fiber is reacted; Bath raio is 1:6～30;
According to different depth, the addition of REACTIVE DYES is: light-colored dyeing consumption is >=3owf for≤0.5owf, middle look dyeing consumption are 0.5owf < > 3owf, deep colour dyeing consumption;
The molecule of REACTIVE DYES contains one or more reactive group (being commonly called as active group).Under proper condition, can and cellulose fibre on hydroxyl, the amino on protein fibre and polyamide fiber etc. generations bonding reaction generates covalent bond and becomes " dyestuff-fiber " colored compound between dyestuff and fiber.Therefore, this class dyestuff is also referred to as chemically-reactive dyes, and domestic custom is called REACTIVE DYES;
B, normal temperature add glauber salt and urge to dye: glauber salt abundantization in secondary cylinder is loose, squeeze into uniformly in master cylinder, to slowly add while stirring, with the accelerant that prevents from not yet dissolving, enter dye bath, cause to dye stain defect occurs on thing, and prevent that local dye bath from making dyestuff generation salting out because contacting a large amount of accelerant;
According to different depth, the addition of glauber salt is: the consumption of light-colored dyeing is that the consumption of 5～10g/L, middle look dyeing is that the consumption of 10～40g/L, deep colour dyeing is 40～70g/L;
C, by certain rate of temperature rise, from normal temperature, with 1～3 ℃/min, be warming up to 80～120 ℃, and be incubated 30～60 minutes;
D, add soda ash and admittedly dye: add in batches, front once than after once many, generally divide 2～3 times and add, add after should dissolving fully by charging bucket at every turn and slowly add equably; Admittedly dye temperature: 40 ℃ of X-types, 60～80 ℃, KN type, 60～90 ℃, K type; Admittedly the time of dying is 10～40 minutes;
According to different depth, the addition of soda ash is: the consumption of light-colored dyeing is that the consumption of 2～5g/L, middle look dyeing is that the consumption of 5～15g/L, deep colour dyeing is 15～20g/L;
E, insulation: make dyeing reach balance, dye even, imbue;
F, sampling are checked colors: be incubated sampling afterwards about 20 minutes, sample is carried out to soap boiling, washing, excessively after wet goods post processing, checks colors;
G, soap boiling, washing, cross oily post processing: check colors after errorless carry out soap boiling, add color-fixing agent, washing and cross wet goods post processing, dyeing completes; Soap boiling temperature is 80～95 ℃, and the soap boiling time is 10～30 minutes;
According to different depth, in soap boiling, the consumption of soaping agent is: the consumption of light-colored dyeing is that the consumption of 0～0.5g/L, middle look dyeing is that the consumption of 0.5～1g/L, deep colour dyeing is 1～2g/L;
According to different depth, the consumption of color-fixing agent is: the consumption that the consumption of light-colored dyeing is 0, the consumption of middle look dyeing is 0.5～owf, deep colour dyeing is 1～2owf.
Adopt technological operation and the parameter that semi-automatic disk Water Extraction Machinery dewaters to control:
Semi-automatic disk Water Extraction Machinery has a plurality of tophan boxes, in work, shredded dried bean curd cake is put into tophan box from dispensing port, and tophan box driven by motor tophan box High Rotation Speed is realized dehydration under the effect of centrifugal force.
Major parameter is that the deep bid rotation period of disk dewatering machine is 120 seconds; Tophan box rotating speed is 2000～5000 revs/min.
embodiment 11
Adopt technological operation and the parameter that radio frequency dryer is dried to control:
A, open the master switch of electricity Gui side, during main frame operation, low speed switch is got to position 1, speed-sensitive switch gets to 0; The potentiometer of Negotiation speed indicator for displaying screen side is regulated the speed.
B, by yellow SR: if all red leds extinguish, and green radio-frequency signal generator running button lights, and represents that all devices is working properly, allows to start radio frequency.
C, wait 15 minutes, make the heating of triode filament, load simultaneously spinning cake after dehydration in good order be placed on rack porch.
If D needs peak power output, adjustable key switch arrives maximum (to right rotation), or to left-handed minimizing peak power output.
E, by velocity modulation 1～10m/h, after waiting spinning cake to dry by radio frequency, moisture regain be controlled at 5%-20%, spinning cake spreads out of automatically from rack, operating personnel are transferred to spinning cake in Turnround basket at the port of export.
F, empty all spinning cakes in rack, guaranteeing does not have spinning cake near entrance; Press red button, system closing at this moment, the flicker of red alarm lamp.
G, wait 10 minutes, the steam that retains in rack is extracted out, close localpower, disconnect main switch.
Claims (7)
1. the shredded dried bean curd cake dyeing of a viscose filament yarn, its processing step comprises dries spinning cake, dress cylinder sleeve, upper creel, pre-treatment, dyeing, post processing and becomes cylinder, it is characterized in that: described upper creel refers to and pack the cylinder sleeve that shredded dried bean curd cake is housed in the dye vat yarn post on yarn dish, and to control the horizontal range between shredded dried bean curd cake outside on adjacent every two yarn posts be 2～50mm; Described pre-treatment is to point to water inlet in dye vat, by the complete submergence of shredded dried bean curd cake, carries out strand swelling, and swelling is at least 0.6kg to the pressure in shredded dried bean curd cake outside and the pressure reduction between the pressure in cylinder sleeve.
2. the shredded dried bean curd cake dyeing of a kind of viscose filament yarn according to claim 1, it is characterized in that: described oven dry spinning cake operation refers to carries out spun viscose fiber filament spinning cake after removal of impurities, through dehydration procedure, the unnecessary moisture of spinning cake is sloughed, make the moisture control of strand 80～150%, again through drying, the regain of strand is controlled to 5～50%, forms shredded dried bean curd cake.
3. the shredded dried bean curd cake dyeing of a kind of viscose filament yarn according to claim 1, it is characterized in that: described dress cylinder sleeve refers to shredded dried bean curd cake is inserted in to cylinder sleeve, and control cylinder sleeve pallet external diameter than the outer path length 0～20mm of shredded dried bean curd cake, difference between shredded dried bean curd cake internal diameter and cylinder sleeve external diameter is 4～40mm, the high 0～10mm of cylinder sleeve aspect ratio shredded dried bean curd cake height.
4. the shredded dried bean curd cake dyeing of a kind of viscose filament yarn according to claim 1, it is characterized in that: described upper creel refers to and packs the cylinder sleeve that shredded dried bean curd cake is housed in the dye vat yarn post on yarn dish, be piled up, until fill all yarn posts, the difference between cylinder sleeve internal diameter and yarn post external diameter is 4～100mm.
5. the shredded dried bean curd cake dyeing of a kind of viscose filament yarn according to claim 1, it is characterized in that: in described pretreatment procedure after swelling, continue to keep outflow circulation, simultaneously according to the volume of water, first add soda ash 1～3 g/L, powder 1～3g/L again takes a policy, then be warming up to 80～110 ℃, be incubated 10～30 minutes after by water discharge, then intake, by the submergence of shredded dried bean curd cake, wash 2 times.
6. the shredded dried bean curd cake dyeing of a kind of viscose filament yarn according to claim 5, is characterized in that: described washing refers to and be warming up to 50～90 ℃, water is discharged after being incubated 10～30 minutes.
7. the shredded dried bean curd cake dyeing of a kind of viscose filament yarn according to claim 1, is characterized in that: described post processing comprises dehydration and oven dry, and described dehydration adopts semi-automatic disk Water Extraction Machinery; Described oven dry adopts radio frequency dryer.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2552972Y (en) * | 2002-06-26 | 2003-05-28 | 宜宾丝丽雅股份有限公司 | Dyeing machine for viscose filament rayon cake |
| CN1464087A (en) * | 2002-06-28 | 2003-12-31 | 四川省宜宾惠美线业有限责任公司 | Novel process for cake dyeing |
| CN101109139A (en) * | 2007-08-20 | 2008-01-23 | 四川省宜宾惠美线业有限责任公司 | Synchronous padding method for raw spinning cake |
| CN102296436A (en) * | 2011-08-15 | 2011-12-28 | 广州番禺高勋染整设备制造有限公司 | Creel device of yarn dyeing machine with ultra-low bath ratio |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2843517B2 (en) * | 1994-12-16 | 1999-01-06 | 株式会社クラレ | Rayon cake yarn with no difference in inner and outer layer dyeing with disperse dye |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2552972Y (en) * | 2002-06-26 | 2003-05-28 | 宜宾丝丽雅股份有限公司 | Dyeing machine for viscose filament rayon cake |
| CN1464087A (en) * | 2002-06-28 | 2003-12-31 | 四川省宜宾惠美线业有限责任公司 | Novel process for cake dyeing |
| CN101109139A (en) * | 2007-08-20 | 2008-01-23 | 四川省宜宾惠美线业有限责任公司 | Synchronous padding method for raw spinning cake |
| CN102296436A (en) * | 2011-08-15 | 2011-12-28 | 广州番禺高勋染整设备制造有限公司 | Creel device of yarn dyeing machine with ultra-low bath ratio |
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| JP特开平8-170219A 1996.07.02 |
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