CN102628204B - Wet spinning cake dyeing process of viscose filament yarns - Google Patents
Wet spinning cake dyeing process of viscose filament yarns Download PDFInfo
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- CN102628204B CN102628204B CN201210078038.1A CN201210078038A CN102628204B CN 102628204 B CN102628204 B CN 102628204B CN 201210078038 A CN201210078038 A CN 201210078038A CN 102628204 B CN102628204 B CN 102628204B
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Abstract
The invention discloses a wet spinning cake dyeing process of viscose filament yarns. According to the invention, the process comprises the steps of preparing a wet spinning cake, loading a cylinder sleeve, pressing yarns, loading yarns to a yarn frame, pre-treating the yarns, dyeing the yarns, post-treating and forming yarn bobbins, wherein in the step of preparing the wet spinning cake, a spun cake is controlled at the water content of at least 50% after being extruded, washed and dehydrated; the horizontal distance between the external sides of wet spinning cakes on two adjacent yarn columns is controlled to be 2-50 mm in the process of loading the yarns to the yarn frame; the pre-treatment is swelling the yarns; the pressure difference between the pressure on the external side of each wet spinning cake and the pressure in a cylinder sleeve when the yarns are swelled to internal flow circulation is at least 1 kg; meanwhile, the pressure difference between the pressure on the external side of the wet spinning cake and the pressure in the cylinder sleeve when the yarns are swelled to external flow circulation is at least 0.6 kg. Through the adoption of the complete technical scheme disclosed by the invention, the sealing property of the wet spinning cake is improved so that the final dyeing reaches a uniform state; meanwhile, the efficiency of the whole wet spinning cake dyeing process can be increased, the production cost can be largely reduced and the pollution to the environment can be 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 wet cake dyeing technique of viscose filament yarn, belong to the wet cake dyeing technical field of viscose filament yarn 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 → set.
The wet cake dyeing of tradition viscose filament yarn adopts hank dyeing mode, comprising: spinning, refining, dehydration, oven dry, one-tenth cylinder, skeining, dyeing, dehydration, oven dry, partly examine, burst at the seams, become cylinder, check.
Traditional handicraft has 13 operations, and operation is more, the waste silk of generation and consume greatlyr, and quality influence is larger, and input manually more, therefore production cost is just more.Because hank dyeing is by strand skeining poststaining, during dyeing, probably make strand texture punching disorderly, in the process of bursting at the seams, strand is inter-adhesive or be wound around, produce a large amount of lousiness and broken end, hank dyeing bath raio is bigger than normal, and water consumption is large, and belongs to open dyeing, dye liquor is splash everywhere, so environmental protection not.
This mode shortcoming is: 1, operation is loaded down with trivial details, complicated; 2, production cost is higher; 3, second-rate, lousiness is more, broken end is many; 4, the inadequate environmental protection of production process.
State Intellectual Property Office discloses an application number 02133370.X 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.
State Intellectual Property Office discloses an application number 200710049790.2 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.
Spinning cake in the technical scheme of above-mentioned patent is due to the control index using the pressure in wet spinning cake outside and the pressure reduction between the pressure in cylinder sleeve as a swelling effect quality not, simultaneously owing to the horizontal range between the wet spinning cake outside on adjacent every two yarn posts not being controlled in the wet cake dyeing technique in past, cause waste and the sealing property of dye liquor and auxiliary agent bad, the swelling of wet spinning cake is processed not, make dyeing uniformity poor, cost and quality can not reach an effective controlled range, prior art scheme operation is loaded down with trivial details simultaneously, complicated, production cost is higher, second-rate, lousiness is more, broken end is many, the inadequate environmental protection of production process.
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 wet spinning cake outside and the pressure reduction between the pressure in cylinder sleeve as a swelling effect quality not, simultaneously because the wet cake dyeing technique in past is not controlled the horizontal range between the wet spinning cake outside on adjacent every two yarn posts, cause waste and the sealing property of dye liquor and auxiliary agent bad, the swelling of wet spinning cake is processed not, make dyeing uniformity poor, cost and quality can not reach an effective controlled range, the dyeing of the wet spinning cake of a kind of viscose filament yarn that therefore this patent provides is a set of hierarchy of control of setting up for the wet cake dyeing of viscose filament yarn, choose the control index that can meet dyeing cost and dyeing uniformity thereof, can be both even thereby make to wet cake dyeing, can reduce costs again.
Another object that the present invention can reach is that solution prior art operation is loaded down with trivial details, complicated; Production cost is higher; Second-rate, lousiness is more, broken end is many; The problem of the inadequate environmental protection of production process, by proposing wet cake dyeing technique of the present invention, reduces cake dyeing operation, reduces production costs, and improves dyeing quality and efficiency, produces environmentally friendly.
In order to realize foregoing invention object, its concrete technical scheme is as follows:
A kind of wet cake dyeing technique of viscose filament yarn, its processing step comprises to be prepared wet spinning cake, dress cylinder sleeve, pressure yarn, upper creel, pre-treatment, dyeing, post processing and becomes cylinder, it is characterized in that: the wet spinning cake of described preparation refers to and through compressing and washing dehydration control moisture content, is at least 50% by spinning the spinning cake taking, without oven dry, obtain wet spinning cake; Described upper creel refers to and packs the cylinder sleeve that wet spinning cake is housed in the dye vat yarn post on yarn dish, and to control the horizontal range between wet spinning cake outside on adjacent every two yarn posts be 2～50mm; Described pre-treatment is to point to water inlet in dye vat, the complete submergence of spinning cake of wetting, carry out strand swelling, swelling is at least 1kg to the pressure in the wet spinning cake of interior stream circulation time outside and the pressure reduction between the pressure in cylinder sleeve, and the pressure in the wet spinning cake of the circulation time that simultaneously outflows outside and the pressure reduction between the pressure in cylinder sleeve are at least 0.6kg.
Dress cylinder sleeve of the present invention refers to wet spinning cake is inserted in to cylinder sleeve, and the outer path length 0～20mm of control cylinder sleeve pallet external diameter specific humidity spinning cake, and the difference between wet spinning cake internal diameter and cylinder sleeve external diameter is 4～40mm, the high 0～10mm of cylinder sleeve height specific humidity spinning cake height.
Pressure yarn of the present invention refers to and adopts the artificial pressure yarn method of routine techniques to press yarn, or adopts the pressure yarn machine of routine techniques to press yarn to cylinder sleeve, and if application number is 200720081705.6, name is called the pressure yarn machine in " spinning cake yarn-loading pressing machine ".
Upper creel of the present invention refers to and packs the cylinder sleeve that wet spinning cake is housed in the dye vat yarn post on yarn dish, and be piled up, until fill all yarn posts, the difference between described cylinder sleeve internal diameter and yarn post external diameter is 4～100mm.
Swelling of the present invention refers to carries out interior stream circulation and the processing of outflow cycle alternation to wet spinning cake at 70～100 ℃, swelling is at least 1kg to the pressure in the wet spinning cake of interior stream circulation time outside and the pressure reduction between the pressure in cylinder sleeve, and the pressure in the wet spinning cake of the circulation time that simultaneously outflows outside and the pressure reduction between the pressure in cylinder sleeve are at least 0.6kg.
Above-mentioned interior stream circulation and outflow circulation, for dye vat self function, are existing routine techniques.
In pretreatment procedure of the present invention, after swelling, (, the pressure in the wet spinning cake of stream circulation time outside and the pressure reduction between the pressure in cylinder sleeve are at least 1kg, the pressure in the wet spinning cake of the circulation time that simultaneously outflows outside and the pressure reduction between the pressure in cylinder sleeve are at least after 0.6kg), in continuing to keep, stream circulation and outflow cycle alternation are processed, according to the volume of water, first add soda ash (Na simultaneously
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, the spinning cake submergence of wetting, washes 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, wet cake dyeing technique of the prior art is not owing to controlling the horizontal range between wet spinning 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 the pressure and the pressure reduction between the pressure in cylinder sleeve in wet spinning cake outside well, also can cause dye inhomogeneous.Because the present invention controls the horizontal range between wet spinning cake outside on adjacent yarn post, be 2～50mm, the terminal index that pressure outside wet spinning cake and the pressure reduction between the pressure in cylinder sleeve are processed as swelling simultaneously, so can provide good sealing to wet spinning cake, the swelling Disposal quality of wet spinning cake is improved, make final even dyeing, cost and quality reach an effective controlled range, reach wet cake dyeing both even, the object that cost can reduce again;
2, in the present invention, due to the parameter setting between wet spinning 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 wet spinning cake, and can not eject from the gap between wet spinning cake upper end and a upper cylinder sleeve pallet, the parameter setting of wet spinning cake internal diameter and cylinder sleeve external diameter can avoid wet spinning 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 wet spinning 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 wet spinning 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 improved the sealing of wet spinning cake, thereby make final dyeing reach uniform state, can make whole operation reduce than conventional processes simultaneously, improve the efficiency of whole wet cake dyeing technique, and employment is fewer, labour cost is saved, in dyeing course, the texture of strand is not had to larger impact, dye oven dry and just directly become afterwards cylinder, reduce the operation that bursts at the seams, therefore lousiness, broken end is controlled effectively, whole production process belongs to cylinder and dyes, remaining liq after having dyed is all discharged into sewage treatment plant by pipeline, and dye liquor consumption of the present invention is less, greatly lowered production cost, the pollution of minimizing to environment.
Accompanying drawing explanation
The schematic diagram of Fig. 1 for being socketed mutually between wet spinning cake, cylinder sleeve and yarn post;
Fig. 2 is for packing the cylinder sleeve that wet spinning 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 wet spinning cake, cylinder sleeve on yarn dish and yarn dish.
Reference numeral: 1 be yarn post, 2 for cylinder sleeve, 3 for wet spinning 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 wet spinning cake internal diameter, 10 for wet spinning cake external diameter, 11 for yarn dish external diameter, 12 for the horizontal range between wet spinning cake outside on adjacent every two yarn posts, 13 for wet spinning cake height, 14 be cylinder sleeve height.
The specific embodiment
A kind of wet cake dyeing technique of viscose filament yarn, its processing step comprises to be prepared wet spinning cake, dress cylinder sleeve, pressure yarn, upper creel, pre-treatment, dyeing, post processing and becomes cylinder, it is characterized in that: the wet spinning cake of described preparation refers to that be 50% by spinning the spinning cake taking through compressing and washing dehydration control moisture content, without oven dry, obtain wet spinning cake; Described upper creel refers to and packs the cylinder sleeve that wet spinning cake is housed in the dye vat yarn post on yarn dish, and to control the horizontal range between wet spinning cake outside on adjacent every two yarn posts be 2mm; Described pre-treatment is to point to water inlet in dye vat, the complete submergence of spinning cake of wetting, carry out strand swelling, swelling is 1kg to pressure and the pressure reduction between the pressure in cylinder sleeve in the wet spinning cake of interior stream circulation time outside, and pressure and the pressure reduction between the pressure in cylinder sleeve in the wet spinning cake of the circulation time that simultaneously outflows outside are 0.6kg.
The pressure in the wet spinning cake of interior stream circulation time outside and the pressure reduction between the pressure in cylinder sleeve are at least 1kg, the pressure in the wet spinning cake of the circulation time that simultaneously outflows outside and the pressure reduction between the pressure in cylinder sleeve are at least 0.6kg and complete swelling, as long as be more than or equal to this two parameters, other operations all adopt normal dyeing technological process and parameter to control.
A kind of wet cake dyeing technique of viscose filament yarn, its processing step comprises to be prepared wet spinning cake, dress cylinder sleeve, pressure yarn, upper creel, pre-treatment, dyeing, post processing and becomes cylinder, it is characterized in that: the wet spinning cake of described preparation refers to that be 90% by spinning the spinning cake taking through compressing and washing dehydration control moisture content, without oven dry, obtain wet spinning cake; Described upper creel refers to and packs the cylinder sleeve that wet spinning cake is housed in the dye vat yarn post on yarn dish, and to control the horizontal range between wet spinning cake outside on adjacent every two yarn posts be 50mm; Described pre-treatment is to point to water inlet in dye vat, the complete submergence of spinning cake of wetting, carry out strand swelling, swelling is 2kg to pressure and the pressure reduction between the pressure in cylinder sleeve in the wet spinning cake of interior stream circulation time outside, and pressure and the pressure reduction between the pressure in cylinder sleeve in the wet spinning cake of the circulation time that simultaneously outflows outside are 1.2kg.
The pressure in the wet spinning cake of interior stream circulation time outside and the pressure reduction between the pressure in cylinder sleeve are at least 1kg, the pressure in the wet spinning cake of the circulation time that simultaneously outflows outside and the pressure reduction between the pressure in cylinder sleeve are at least 0.6kg and complete swelling, as long as be more than or equal to this two parameters, other operations all adopt normal dyeing technological process and parameter to control.
embodiment 3
A kind of wet cake dyeing technique of viscose filament yarn, its processing step comprises to be prepared wet spinning cake, dress cylinder sleeve, pressure yarn, upper creel, pre-treatment, dyeing, post processing and becomes cylinder, it is characterized in that: the wet spinning cake of described preparation refers to that be 70% by spinning the spinning cake taking through compressing and washing dehydration control moisture content, without oven dry, obtain wet spinning cake; Described upper creel refers to and packs the cylinder sleeve that wet spinning cake is housed in the dye vat yarn post on yarn dish, and to control the horizontal range between wet spinning cake outside on adjacent every two yarn posts be 26mm; Described pre-treatment is to point to water inlet in dye vat, the complete submergence of spinning cake of wetting, carry out strand swelling, swelling is 1.5kg to pressure and the pressure reduction between the pressure in cylinder sleeve in the wet spinning cake of interior stream circulation time outside, and pressure and the pressure reduction between the pressure in cylinder sleeve in the wet spinning cake of the circulation time that simultaneously outflows outside are 0.9kg.
The pressure in the wet spinning cake of interior stream circulation time outside and the pressure reduction between the pressure in cylinder sleeve are at least 1kg, the pressure in the wet spinning cake of the circulation time that simultaneously outflows outside and the pressure reduction between the pressure in cylinder sleeve are at least 0.6kg and complete swelling, as long as be more than or equal to this two parameters, other operations all adopt normal dyeing technological process and parameter to control.
A kind of wet cake dyeing technique of viscose filament yarn, its processing step comprises to be prepared wet spinning cake, dress cylinder sleeve, pressure yarn, upper creel, pre-treatment, dyeing, post processing and becomes cylinder, it is characterized in that: the wet spinning cake of described preparation refers to that be 80% by spinning the spinning cake taking through compressing and washing dehydration control moisture content, without oven dry, obtain wet spinning cake; Described upper creel refers to and packs the cylinder sleeve that wet spinning cake is housed in the dye vat yarn post on yarn dish, and to control the horizontal range between wet spinning cake outside on adjacent every two yarn posts be 15mm; Described pre-treatment is to point to water inlet in dye vat, the complete submergence of spinning cake of wetting, carry out strand swelling, swelling is 1.7kg to pressure and the pressure reduction between the pressure in cylinder sleeve in the wet spinning cake of interior stream circulation time outside, and pressure and the pressure reduction between the pressure in cylinder sleeve in the wet spinning cake of the circulation time that simultaneously outflows outside are 1.1kg.
The pressure in the wet spinning cake of interior stream circulation time outside and the pressure reduction between the pressure in cylinder sleeve are at least 1kg, the pressure in the wet spinning cake of the circulation time that simultaneously outflows outside and the pressure reduction between the pressure in cylinder sleeve are at least 0.6kg and complete swelling, as long as be more than or equal to this two parameters, other operations all adopt normal dyeing technological process and parameter to control.
A wet cake dyeing technique, its processing step is as follows:
A, the wet spinning cake of preparation
By spinning the spinning cake taking, through compressing and washing dehydration control moisture content, be 50%, without oven dry, obtain wet spinning cake;
B, dress cylinder sleeve
The spinning cake that will wet is inserted in cylinder sleeve, and it is identical with the external diameter of wet spinning cake to control cylinder sleeve pallet external diameter, and the difference between wet spinning cake internal diameter and cylinder sleeve external diameter is 4mm, and the height of cylinder sleeve is identical with the height of wet spinning cake;
C, pressure yarn
Adopt the artificial pressure yarn method of routine techniques to press yarn, or adopt the pressure yarn machine of routine techniques to press yarn to cylinder sleeve, if application number is 200720081705.6, name is called the pressure yarn machine in " spinning cake yarn-loading pressing machine ";
D, upper creel
Pack the cylinder sleeve that wet spinning 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 wet spinning 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;
E, pre-treatment
In dye vat, intake, the complete submergence of spinning cake of wetting, carry out strand swelling, described swelling refers to carries out interior stream circulation and the processing of outflow cycle alternation to wet spinning cake at 70 ℃, until the pressure in the wet spinning cake of interior stream circulation time outside and the pressure reduction between the pressure in cylinder sleeve are at least 1kg, the pressure in the wet spinning cake of the circulation time that simultaneously outflows outside and the pressure reduction between the pressure in cylinder sleeve are at least 0.6kg;
Preferably, if further guarantee the quality of follow-up dyeing product, in pretreatment procedure, after swelling, in continuing to keep, stream circulation and outflow cycle alternation are processed, and 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, the spinning cake submergence of wetting, washes 2 times; Washing refers to and is warming up to 50 ℃, water discharged after being incubated 10 minutes;
Interior stream circulation and outflow cycle alternation are treated to routine techniques, are generally following selection:
1, first outflow circulation is 3 minutes, then turns to interior stream circulation 4 minutes, then turns to outflow circulation 3 minutes, and so alternate treatment is until pressure reduction reaches requirement;
Or first, stream circulation is 4 minutes, then turns to outflow circulation 3 minutes, then turn to interior stream circulation 4 minutes, so alternate treatment is until pressure reduction reaches requirement;
2, first outflow circulation is 3 minutes, then turns to interior stream circulation 5 minutes, then turns to outflow circulation 3 minutes, and so alternate treatment is until pressure reduction reaches requirement;
Or first, stream circulation is 5 minutes, then turns to outflow circulation 3 minutes, then turn to interior stream circulation 5 minutes, so alternate treatment is until pressure reduction reaches requirement;
3, first outflow circulation is 3 minutes, then turns to interior stream circulation 9 minutes, then turns to outflow circulation 3 minutes, and so alternate treatment is until pressure reduction reaches requirement;
Or first, stream circulation is 9 minutes, then turns to outflow circulation 3 minutes, then turn to interior stream circulation 9 minutes, so alternate treatment is until pressure reduction reaches requirement;
4, first outflow circulation is 5 minutes, then turns to interior stream circulation 3 minutes, then turns to outflow circulation 5 minutes, and so alternate treatment is until pressure reduction reaches requirement;
Or first, stream circulation is 3 minutes, then turns to outflow circulation 5 minutes, then turn to interior stream circulation 3 minutes, so alternate treatment is until pressure reduction reaches requirement;
5, first outflow circulation is 2 minutes, then turns to interior stream circulation 5 minutes, then turns to outflow circulation 2 minutes, and so alternate treatment is until pressure reduction reaches requirement;
Or first, stream circulation is 5 minutes, then turns to outflow circulation 2 minutes, then turn to interior stream circulation 5 minutes, so alternate treatment is until pressure reduction reaches requirement;
Aforesaid way is selection generally, does not comprise all interior outflow circular treatment modes;
F, dyeing
Use REACTIVE DYES, under the state of dipping, employing one-bath two-step process is urged to dye, fixation;
G, 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.
H, one-tenth cylinder
According to routine, become cylinder to operate, obtain last product.
embodiment 6
A wet cake dyeing technique, its processing step is as follows:
A, the wet spinning cake of preparation
By spinning the spinning cake taking, through compressing and washing dehydration control moisture content, be 90%, without oven dry, obtain wet spinning cake;
B, dress cylinder sleeve
The spinning cake that will wet is inserted in cylinder sleeve, and controls the outer path length 20mm of cylinder sleeve pallet external diameter specific humidity spinning cake, and the difference between wet spinning cake internal diameter and cylinder sleeve external diameter is 40mm, the high 10mm of height of the height specific humidity spinning cake of cylinder sleeve;
C, pressure yarn
Adopt the artificial pressure yarn method of routine techniques to press yarn, or adopt the pressure yarn machine of routine techniques to press yarn to cylinder sleeve, if application number is 200720081705.6, name is called the pressure yarn machine in " spinning cake yarn-loading pressing machine ";
D, upper creel
Pack the cylinder sleeve that wet spinning 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 wet spinning 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;
E, pre-treatment
In dye vat, intake, the complete submergence of spinning cake of wetting, carry out strand swelling, described swelling refers to carries out interior stream circulation and the processing of outflow cycle alternation to wet spinning cake at 100 ℃, until the pressure in the wet spinning cake of interior stream circulation time outside and the pressure reduction between the pressure in cylinder sleeve are at least 1kg, the pressure in the wet spinning cake of the circulation time that simultaneously outflows outside and the pressure reduction between the pressure in cylinder sleeve are at least 0.6kg;
Preferably, if further guarantee the quality of follow-up dyeing product, in pretreatment procedure, after swelling, in continuing to keep, stream circulation and outflow cycle alternation are processed, and 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, the spinning cake submergence of wetting, washes 2 times; Washing refers to and is warming up to 90 ℃, water discharged after being incubated 30 minutes;
Interior stream circulation and outflow cycle alternation are treated to routine techniques, are generally following selection:
1, first outflow circulation is 3 minutes, then turns to interior stream circulation 4 minutes, then turns to outflow circulation 3 minutes, and so alternate treatment is until pressure reduction reaches requirement;
Or first, stream circulation is 4 minutes, then turns to outflow circulation 3 minutes, then turn to interior stream circulation 4 minutes, so alternate treatment is until pressure reduction reaches requirement;
2, first outflow circulation is 3 minutes, then turns to interior stream circulation 5 minutes, then turns to outflow circulation 3 minutes, and so alternate treatment is until pressure reduction reaches requirement;
Or first, stream circulation is 5 minutes, then turns to outflow circulation 3 minutes, then turn to interior stream circulation 5 minutes, so alternate treatment is until pressure reduction reaches requirement;
3, first outflow circulation is 3 minutes, then turns to interior stream circulation 9 minutes, then turns to outflow circulation 3 minutes, and so alternate treatment is until pressure reduction reaches requirement;
Or first, stream circulation is 9 minutes, then turns to outflow circulation 3 minutes, then turn to interior stream circulation 9 minutes, so alternate treatment is until pressure reduction reaches requirement;
4, first outflow circulation is 5 minutes, then turns to interior stream circulation 3 minutes, then turns to outflow circulation 5 minutes, and so alternate treatment is until pressure reduction reaches requirement;
Or first, stream circulation is 3 minutes, then turns to outflow circulation 5 minutes, then turn to interior stream circulation 3 minutes, so alternate treatment is until pressure reduction reaches requirement;
5, first outflow circulation is 2 minutes, then turns to interior stream circulation 5 minutes, then turns to outflow circulation 2 minutes, and so alternate treatment is until pressure reduction reaches requirement;
Or first, stream circulation is 5 minutes, then turns to outflow circulation 2 minutes, then turn to interior stream circulation 5 minutes, so alternate treatment is until pressure reduction reaches requirement;
Aforesaid way is selection generally, does not comprise all interior outflow circular treatment modes;
F, dyeing
Use REACTIVE DYES, under the state of dipping, employing one-bath two-step process is urged to dye, fixation;
G, 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.
H, one-tenth cylinder
According to routine, become cylinder to operate, obtain last product.
embodiment 7
A wet cake dyeing technique, its processing step is as follows:
A, the wet spinning cake of preparation
By spinning the spinning cake taking, through compressing and washing dehydration control moisture content, be 70%, without oven dry, obtain wet spinning cake;
B, dress cylinder sleeve
The spinning cake that will wet is inserted in cylinder sleeve, and controls the outer path length 10mm of cylinder sleeve pallet external diameter specific humidity spinning cake, and the difference between wet spinning cake internal diameter and cylinder sleeve external diameter is 22mm, the high 5mm of height of the height specific humidity spinning cake of cylinder sleeve;
C, pressure yarn
Adopt the artificial pressure yarn method of routine techniques to press yarn, or adopt the pressure yarn machine of routine techniques to press yarn to cylinder sleeve, if application number is 200720081705.6, name is called the pressure yarn machine in " spinning cake yarn-loading pressing machine ";
D, upper creel
Pack the cylinder sleeve that wet spinning 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 wet spinning 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;
E, pre-treatment
In dye vat, intake, the complete submergence of spinning cake of wetting, carry out strand swelling, described swelling refers to carries out interior stream circulation and the processing of outflow cycle alternation to wet spinning cake at 85 ℃, until the pressure in the wet spinning cake of interior stream circulation time outside and the pressure reduction between the pressure in cylinder sleeve are at least 1kg, the pressure in the wet spinning cake of the circulation time that simultaneously outflows outside and the pressure reduction between the pressure in cylinder sleeve are at least 0.6kg;
Preferably, if further guarantee the quality of follow-up dyeing product, in pretreatment procedure, after swelling, in continuing to keep, stream circulation and outflow cycle alternation are processed, and simultaneously according to the volume of water, first add soda ash (Na
2cO
3) 2g/L, then the powder (Na that takes a policy
2s
2o
4) 2/L, be then warming up to 95 ℃, be incubated 20 minutes after by water discharge, then intake, the spinning cake submergence of wetting, washes 2 times; Washing refers to and is warming up to 70 ℃, water discharged after being incubated 20 minutes;
Interior stream circulation and outflow cycle alternation are treated to routine techniques, are generally following selection:
1, first outflow circulation is 3 minutes, then turns to interior stream circulation 4 minutes, then turns to outflow circulation 3 minutes, and so alternate treatment is until pressure reduction reaches requirement;
Or first, stream circulation is 4 minutes, then turns to outflow circulation 3 minutes, then turn to interior stream circulation 4 minutes, so alternate treatment is until pressure reduction reaches requirement;
2, first outflow circulation is 3 minutes, then turns to interior stream circulation 5 minutes, then turns to outflow circulation 3 minutes, and so alternate treatment is until pressure reduction reaches requirement;
Or first, stream circulation is 5 minutes, then turns to outflow circulation 3 minutes, then turn to interior stream circulation 5 minutes, so alternate treatment is until pressure reduction reaches requirement;
3, first outflow circulation is 3 minutes, then turns to interior stream circulation 9 minutes, then turns to outflow circulation 3 minutes, and so alternate treatment is until pressure reduction reaches requirement;
Or first, stream circulation is 9 minutes, then turns to outflow circulation 3 minutes, then turn to interior stream circulation 9 minutes, so alternate treatment is until pressure reduction reaches requirement;
4, first outflow circulation is 5 minutes, then turns to interior stream circulation 3 minutes, then turns to outflow circulation 5 minutes, and so alternate treatment is until pressure reduction reaches requirement;
Or first, stream circulation is 3 minutes, then turns to outflow circulation 5 minutes, then turn to interior stream circulation 3 minutes, so alternate treatment is until pressure reduction reaches requirement;
5, first outflow circulation is 2 minutes, then turns to interior stream circulation 5 minutes, then turns to outflow circulation 2 minutes, and so alternate treatment is until pressure reduction reaches requirement;
Or first, stream circulation is 5 minutes, then turns to outflow circulation 2 minutes, then turn to interior stream circulation 5 minutes, so alternate treatment is until pressure reduction reaches requirement;
Aforesaid way is selection generally, does not comprise all interior outflow circular treatment modes;
F, dyeing
Use REACTIVE DYES, under the state of dipping, employing one-bath two-step process is urged to dye, fixation;
G, 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.
H, one-tenth cylinder
According to routine, become cylinder to operate, obtain last product.
embodiment 8
A wet cake dyeing technique, its processing step is as follows:
A, the wet spinning cake of preparation
By spinning the spinning cake taking, through compressing and washing dehydration control moisture content, be 80%, without oven dry, obtain wet spinning cake;
B, dress cylinder sleeve
The spinning cake that will wet is inserted in cylinder sleeve, and controls the outer path length 19mm of cylinder sleeve pallet external diameter specific humidity spinning cake, and the difference between wet spinning cake internal diameter and cylinder sleeve external diameter is 16mm, the high 3mm of height of the height specific humidity spinning cake of cylinder sleeve;
C, pressure yarn
Adopt the artificial pressure yarn method of routine techniques to press yarn, or adopt the pressure yarn machine of routine techniques to press yarn to cylinder sleeve, if application number is 200720081705.6, name is called the pressure yarn machine in " spinning cake yarn-loading pressing machine ";
D, upper creel
Pack the cylinder sleeve that wet spinning 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 wet spinning 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 71mm;
E, pre-treatment
In dye vat, intake, the complete submergence of spinning cake of wetting, carry out strand swelling, described swelling refers to carries out interior stream circulation and the processing of outflow cycle alternation to wet spinning cake at 90 ℃, until the pressure in the wet spinning cake of interior stream circulation time outside and the pressure reduction between the pressure in cylinder sleeve are at least 1kg, the pressure in the wet spinning cake of the circulation time that simultaneously outflows outside and the pressure reduction between the pressure in cylinder sleeve are at least 0.6kg;
Preferably, if further guarantee the quality of follow-up dyeing product, in pretreatment procedure, after swelling, in continuing to keep, stream circulation and outflow cycle alternation are processed, and simultaneously according to the volume of water, first add soda ash (Na
2cO
3) 1.1 g/L, then the powder (Na that takes a policy
2s
2o
4) 2.6g/L, be then warming up to 97 ℃, be incubated 13 minutes after by water discharge, then intake, the spinning cake submergence of wetting, washes 2 times; Washing refers to and is warming up to 55 ℃, water discharged after being incubated 24 minutes;
Interior stream circulation and outflow cycle alternation are treated to routine techniques, are generally following selection:
1, first outflow circulation is 3 minutes, then turns to interior stream circulation 4 minutes, then turns to outflow circulation 3 minutes, and so alternate treatment is until pressure reduction reaches requirement;
Or first, stream circulation is 4 minutes, then turns to outflow circulation 3 minutes, then turn to interior stream circulation 4 minutes, so alternate treatment is until pressure reduction reaches requirement;
2, first outflow circulation is 3 minutes, then turns to interior stream circulation 5 minutes, then turns to outflow circulation 3 minutes, and so alternate treatment is until pressure reduction reaches requirement;
Or first, stream circulation is 5 minutes, then turns to outflow circulation 3 minutes, then turn to interior stream circulation 5 minutes, so alternate treatment is until pressure reduction reaches requirement;
3, first outflow circulation is 3 minutes, then turns to interior stream circulation 9 minutes, then turns to outflow circulation 3 minutes, and so alternate treatment is until pressure reduction reaches requirement;
Or first, stream circulation is 9 minutes, then turns to outflow circulation 3 minutes, then turn to interior stream circulation 9 minutes, so alternate treatment is until pressure reduction reaches requirement;
4, first outflow circulation is 5 minutes, then turns to interior stream circulation 3 minutes, then turns to outflow circulation 5 minutes, and so alternate treatment is until pressure reduction reaches requirement;
Or first, stream circulation is 3 minutes, then turns to outflow circulation 5 minutes, then turn to interior stream circulation 3 minutes, so alternate treatment is until pressure reduction reaches requirement;
5, first outflow circulation is 2 minutes, then turns to interior stream circulation 5 minutes, then turns to outflow circulation 2 minutes, and so alternate treatment is until pressure reduction reaches requirement;
Or first, stream circulation is 5 minutes, then turns to outflow circulation 2 minutes, then turn to interior stream circulation 5 minutes, so alternate treatment is until pressure reduction reaches requirement;
Aforesaid way is selection generally, does not comprise all interior outflow circular treatment modes;
F, dyeing
Use REACTIVE DYES, under the state of dipping, employing one-bath two-step process is urged to dye, fixation;
G, 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.
H, 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, make it fully and wet spinning cake fiber reacts; 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, and in work, the spinning cake that will wet 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 wet cake dyeing technique of a viscose filament yarn, its processing step comprises to be prepared wet spinning cake, dress cylinder sleeve, pressure yarn, upper creel, pre-treatment, dyeing, post processing and becomes cylinder, it is characterized in that: the wet spinning cake of described preparation refers to and through compressing and washing dehydration control moisture content, is at least 50% by spinning the spinning cake taking, without oven dry, obtain wet spinning cake; Described upper creel refers to and packs the cylinder sleeve that wet spinning cake is housed in the dye vat yarn post on yarn dish, and to control the horizontal range between wet spinning cake outside on adjacent every two yarn posts be 2～50mm; Described pre-treatment is to point to water inlet in dye vat, the complete submergence of spinning cake of wetting, carry out strand swelling, swelling is at least 1kg to the pressure in the wet spinning cake of interior stream circulation time outside and the pressure reduction between the pressure in cylinder sleeve, and the pressure in the wet spinning cake of the circulation time that simultaneously outflows outside and the pressure reduction between the pressure in cylinder sleeve are at least 0.6kg.
2. the wet cake dyeing technique of a kind of viscose filament yarn according to claim 1, it is characterized in that: described dress cylinder sleeve refers to wet spinning cake is inserted in to cylinder sleeve, and control the outer path length 0～20mm of cylinder sleeve pallet external diameter specific humidity spinning cake, difference between wet spinning cake internal diameter and cylinder sleeve external diameter is 4～40mm, the high 0～10mm of cylinder sleeve height specific humidity spinning cake height.
3. the wet cake dyeing technique 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 wet spinning cake is housed in the dye vat yarn post on yarn dish, be piled up, until fill all yarn posts, the difference between described cylinder sleeve internal diameter and yarn post external diameter is 4～100mm.
4. the wet cake dyeing technique of a kind of viscose filament yarn according to claim 1, is characterized in that: described swelling refers to carries out interior stream circulation and the processing of outflow cycle alternation to wet spinning cake at 70～100 ℃.
5. according to the wet cake dyeing technique of a kind of viscose filament yarn described in claim 1 or 4, it is characterized in that: in described pretreatment procedure after swelling, in continuing to keep, stream circulation and outflow cycle alternation are processed, and 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, the spinning cake submergence of wetting, washes 2 times.
6. the wet cake dyeing technique 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 wet cake dyeing technique 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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| CN1172043C (en) * | 2002-06-28 | 2004-10-20 | 四川省宜宾惠美线业有限责任公司 | Novel process for cake dyeing |
| CN100535225C (en) * | 2007-08-20 | 2009-09-02 | 四川省宜宾惠美线业有限责任公司 | Synchronous padding method for raw spinning cake |
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