CN210439047U

CN210439047U - Vulcanization dyeing device

Info

Publication number: CN210439047U
Application number: CN201920894695.0U
Authority: CN
Inventors: 魏志华; 卢俊
Original assignee: Foshan Nanhai Yimian Dyeing Co ltd
Current assignee: Foshan Nanhai Yimian Dyeing Co ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-05-01
Anticipated expiration: 2029-06-14

Abstract

The utility model discloses a vulcanization dyeing apparatus, including consecutive unreeling structure, ion reaction tank, first ion reaction baking house, vulcanization dyeing bath, oxidation frame, wash bowl, second ion reaction baking house, fixation treatment trough. Adopt the utility model discloses the device can carry out processes such as preliminary treatment, stoving, sulphur dyeing, oxidation, washing, stoving, fixation to cotton yarn, can play and reduce dyeing wastewater discharge, improves the dye uptake and the colour fastness of sulphur dyestuff to cotton yarn simultaneously.

Description

Vulcanization dyeing device

Technical Field

The utility model relates to a cotton yarn dyeing and finishing field mainly relates to a vulcanize dyeing apparatus.

Background

The printing and dyeing industry is a large water consumer and a large sewage discharge consumer. According to statistics, more than 400 million tons of sewage are discharged into rivers, lakes and seas every day in the industry, and the wastewater has complex and variable components, large chroma, large alkalinity, extremely high COD change amplitude and BOD and great treatment difficulty. At present, the development trend at home and abroad is high efficiency, energy conservation and environmental protection, and the three aspects supplement each other and are all indispensable. The productivity needs to be developed, and the most direct means is to improve the production efficiency; when the energy conservation and emission reduction are not slow; while energy conservation is adopted, strong environmental awareness and pollution control means are also needed. The dyeing and finishing process is optimized, so that part of products are dyed with less water, even the products are dyed without washing with water, and the development of the waterless dyeing process is the direction in the future.

The current anhydrous or low-water dyeing method comprises supercritical carbon dioxide dyeing, solvent dyeing and vacuum dye sublimation dyeing. But the supercritical carbon dioxide dyeing equipment has high requirements, high cost and high investment, and is not in line with the practice; the vacuum dye sublimation dyeing is large in limitation, and the sublimation can be finished only by a small amount of dye; the operation of solvent dyeing is relatively simple, and most of organic solvent dyeing focuses on dyeing with chemical dyes such as disperse dyes and reactive dyes. Chinese patents CN104631149A No. water and little water environmental protection dyeing technology, CN106968104A No. water dyeing technology of energy saving and environmental protection, and CN104420154A No. pollution-free fiber dyeing and finishing treatment liquid and pretreatment technology relate to little water and no water dyeing, but the technology and equipment for dyeing cotton yarn by using the treatment agents GRE and JFC and the coating are not reported. Accordingly, the prior art is yet to be improved and developed.

SUMMERY OF THE UTILITY MODEL

In view of the not enough of above-mentioned prior art, the utility model aims at providing a vulcanize dyeing apparatus, under the condition that does not influence dye uptake, colour fastness, reduce the emission of waste water, aim at solving the big problem of current printing and dyeing industry waste water discharge.

The technical scheme of the utility model as follows:

the utility model provides a vulcanization dyeing apparatus, wherein, includes that consecutive unreels structure, ion reaction tank, first ion reaction baking house, vulcanizes dyeing tank, oxidation frame, wash bowl, second ion reaction baking house, fixation processing tank.

The vulcanization dyeing device is characterized in that a coating printing machine and a coating color register cylinder are further arranged between the second ion reaction drying room and the color fixing treatment tank.

The vulcanizing and dyeing device is characterized in that a preheating drying cylinder is further arranged between the unreeling structure and the ion reaction tank.

The vulcanization dyeing device is characterized in that a cooling roller is further arranged between the first ion reaction drying room and the vulcanization dyeing tank.

The vulcanization dyeing device is characterized in that the ion reaction tank is provided with a filtering device and a circulating pump, the input end of the circulating pump is connected with the bottom or the side surface of the ion reaction tank, and the output end of the circulating pump is arranged at the upper part of the ion reaction tank; the filtering device is arranged on a pipeline between the ion reaction tank and the circulating pump.

The vulcanizing and dyeing device is characterized in that a padder is arranged on the ion reaction tank, cloth guide rollers are arranged above two ends of the ion reaction tank, a plurality of multi-edge rollers are arranged in the ion reaction tank, and the padder is arranged at a cloth outlet end of the ion reaction tank; the cotton yarn belt is drawn by a cloth guide roller, enters an ion reaction tank, sequentially passes through a multi-edge roller and a padder, and is sent to a first ion reaction drying room;

cloth guide rollers are arranged at two ends of the first ion reaction drying room, and at least 6 drying cylinders are arranged in the first ion reaction drying room; the cotton yarn belt is drawn by a cloth guide roller, enters a first ion reaction drying room, passes through a drying cylinder and then is sent to a vulcanization dyeing tank;

a cloth guide roller is arranged above two ends of the vulcanization dyeing tank, a plurality of multi-edge rollers are arranged in the vulcanization dyeing tank, and a padder is arranged at the cloth outlet end of the vulcanization dyeing tank; the cotton yarn belt is drawn by a cloth guide roller, enters a vulcanization dyeing tank, sequentially passes through a multi-edge roller and a padder, and then is conveyed to an oxidation rack;

the two ends of the oxidation frame are provided with cloth guide rollers, at least 3 guide roller combinations for increasing the stroke of the cotton yarn belt are arranged in the oxidation frame, and each guide roller combination comprises an upper guide roller arranged at the top of the oxidation frame and a lower guide roller arranged at the bottom of the oxidation frame; the cotton yarn belt is drawn by the cloth guide roller, enters the oxidation rack, passes through the oxidation rack up and down, and then is conveyed to the rinsing bath;

the washing tank is provided with one, cloth guide rollers are arranged above two ends of the washing tank, and a padder is arranged at the cloth outlet end of the washing tank; the cotton yarn belt is drawn by the cloth guide roller, enters the water washing tank, passes through the padder and is sent to a second ion reaction drying room;

cloth guide rollers are arranged at two ends of the second ion reaction drying room, and at least 6 drying cylinders are arranged in the second ion reaction drying room; the cotton yarn belt is drawn by a cloth guide roller, enters a second ion reaction drying room, passes through a drying cylinder and then is conveyed to a color fixing treatment tank;

cloth guide rollers are arranged above two ends of the color fixing treatment tank, and a padder is arranged at the cloth outlet end of the color fixing treatment tank; the cotton yarn belt is drawn by the cloth guide roller, enters the color fixing treatment tank, sequentially passes through the multi-edge roller and the padder, and then is conveyed to the next procedure.

The vulcanizing and dyeing device is characterized in that the coating printing machine comprises cloth guide rollers arranged at two ends of the coating printing machine and a spray head arranged between the cloth guide rollers and used for printing pigment on the cotton tapes; the cotton yarn belt is drawn by a cloth guide roller and enters a coating printing machine, and the coating printing machine coats pretreatment liquid on the cotton yarn belt and then sends the cotton yarn belt to a paint chromatography cylinder;

cloth guide rollers are arranged above two ends of the coating color register cylinder, a plurality of multi-edge rollers are arranged in the coating color register cylinder, and a padder is arranged at the cloth outlet end of the coating color register cylinder; the cotton yarn belt is drawn by the cloth guide roller, enters the coating chromatography cylinder, sequentially passes through the multi-edge roller and the padder, and then is sent to the next procedure.

Has the advantages that: the utility model discloses an improve the dyeability of sulphur dyestuff to cotton yarn, carry out modification treatment to cotton yarn with processing agent GRE adds penetrant JFC, adopt the normal atmospheric temperature system to carry out the preliminary treatment, solve the affinity problem between dyestuff and fibre, improve the dye uptake; the color is fixed by adopting a normal temperature system, so that the flooding is reduced, and the dyeing process does not need to be washed with water; the method has the advantages that the washing times are reduced, the dyeing wastewater discharge is reduced, and meanwhile, the dye uptake and color fastness of the sulfur dye to cotton yarns are improved, so that the method has very important significance for improving the added value of textiles, reducing the pollution of the sulfur dye dyeing process to the environment and saving water.

Drawings

Fig. 1 is a schematic structural diagram of the vulcanization dyeing apparatus of the present invention.

Fig. 2 is a schematic structural diagram of an ion reaction tank of the vulcanization dyeing apparatus of the present invention.

FIG. 3 is a schematic structural diagram of a printing machine and a pigment chromatography cylinder of the vulcanization dyeing apparatus of the present invention.

Detailed Description

The utility model provides a vulcanization dyeing apparatus, for making the utility model discloses a purpose, technical scheme and effect are clearer, more clear and definite, following right the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model provides a water-saving dyeing method of sulfur dyes, including following step:

a. pretreatment: the cotton yarn belt is treated by pretreatment liquid and modified for 8-12 seconds at normal temperature.

The pretreatment liquid contains a treatment agent GRE (polyethylene polyamine polymer) and a penetrating agent JFC (fatty alcohol-polyoxyethylene ether). The GRE is a high molecular polymer with multifunctional reactive groups, namely a polyethylene polyamine polymer; the penetrating agent JFC is a mixture of colorless and transparent fatty alcohol-polyoxyethylene ether. Wherein the concentration of the treating agent GRE is 0.5-2 g/L, and the concentration of the penetrating agent is 1-2 g/L. The preparation method of the pretreatment solution comprises the following steps: taking the GRE treating agent and the JFC penetrating agent in a ratio of 0.5-1: 1, and blending with industrial water to prepare a pretreatment solution. The cotton yarn is modified by the treating agent GRE and the penetrating agent JFC, and is pretreated by a normal temperature system, so that the problem of affinity between dye and fiber can be solved, and the dye-uptake rate is improved. The processing agent GRE and the penetrating agent JFC are used for modifying the cotton yarn, so that the chemical composition and physical dynamics of the surface of the cotton yarn are changed, more polar groups are introduced to the surface of the cotton fiber, the wetting property of the surface of the fiber is improved, the surface tension of the fiber is reduced, the adhesive force between the dye and the fiber is increased, the adsorption of the dye is diffused to the interior of the fiber, the dyeing time is shortened, and the dyeing rate is improved.

The cotton yarn belt can enter the ion reaction tank for modification treatment without preheating. Preferably, in the pretreatment process, the pretreatment solution in the ion reaction tank is subjected to circulating filtration treatment, and the pretreatment solution is pumped out from the ion reaction tank by a circulating pump, filtered by a filter and returned to the ion reaction tank. The pretreatment liquid is continuously circulated, so that the pretreatment liquid in the ion reaction tank is in a flowing state, the modification treatment efficiency can be improved, and the treatment agent and the penetrating agent can better act on the cotton yarn belt; the filtration can filter the impurity that remains on preliminary treatment liquid and the cotton yarn area, can prevent that the impurity on cotton yarn area surface from influencing the dyeing effect. Since the cotton yarn tape continuously takes away water and also takes away part of the penetrant and treating agent, the penetrant and treating agent need to be added in addition to water. The concentration of the supplementary liquid is preferably higher than that of the pretreatment liquid because the pretreatment liquid cannot be maintained at a desired concentration if the supplementary liquid is too low, and therefore, the concentrations of the penetrant and the treating agent in the supplementary liquid may be 4 times that of the pretreatment liquid, and further, the supplementary liquid and the supplementary water may be rapidly mixed with the pretreatment liquid to maintain the concentration of the pretreatment liquid stable because the pretreatment liquid is continuously circulated by the circulation pump. The supplementary method can be implemented by supplementing according to the reading of a potentiometer in the reaction tank, and adding the supplementing liquid when the charge number is lower than a certain amount.

b. Drying the cotton yarn belt: and the cotton yarn belt is modified by the ion reaction tank, enters an ion reaction drying room, and is dried.

In the drying process, the drying temperature is 80-100 ℃, and the baking time can be 10-15 seconds. The drying treatment can enable polar groups on the surface of the cotton fiber to be better adsorbed, and the adhesive force between the dye and the fiber is enhanced.

The modified cotton yarn belt is not required to be washed by water, the cotton yarn belt is rolled by an even padder and is dried to carry redundant pretreatment liquid, and the cotton yarn belt can be directly thrown into a dyeing liquid cylinder for dyeing, so that washing water can be saved, and the discharge of printing and dyeing wastewater is reduced.

c. Dyeing: and (3) dyeing the cotton yarn belt through a dyeing liquid cylinder at the speed of 25 m/min, washing and drying.

In the dyeing process, the cotton yarn belt is placed in a dye solution for dyeing according to a bath ratio of 1:25-35, and the temperature is controlled to be 90-100 ℃. After soaking the dye liquor, carrying out oxidation treatment in the air to complete dyeing, and washing with clean water once. And then drying, wherein the baking temperature is 100-110 ℃ in the drying process, and the baking time is about 10 seconds. After this step, a dyed cotton tape with an extremely high dye uptake was obtained.

The bottom water and the vulcanized macro-ingredients are needed in the dyeing process, the bottom water is firstly placed in a dye vat, the vulcanized macro-ingredients are prepared in another container, the bottom water is firstly added in the dyeing process to maintain the bottom water at a certain concentration, the adding amount of the vulcanized macro-ingredients is adjusted according to the needed color, and the adding can be stopped when the cotton yarn belt reaches the needed color.

Preparing bottom water: adding sulfur dye, caustic soda and thiourea dioxide into water respectively to serve as bottom water, wherein the concentration of the sulfur dye is 90-110g/L, the concentration of the caustic soda is 10-20g/L, and the concentration of the thiourea dioxide is 3-8 g/L.

Preparing a sulfur dye bulk material: adding water to about 300L in a material cutting barrel, pouring caustic soda, thiourea dioxide and liquid or powder sulfur dye, pouring all the materials, adding water to a sufficient level, and stirring uniformly for use. The mixture is not boiled under heating and stirred continuously. Obtaining the sulfuration dye liquor. The prepared sulfur dye bulk material has the concentration of 200-400 g/L of sulfur dye, the concentration of 40-70 g/L of caustic soda and the concentration of 15-25g/L of thiourea dioxide.

The dye liquor is prepared without heating, and the principle is that caustic soda is poured into a charging bucket and thiourea dioxide is poured into the charging bucket, because the caustic soda generates heat when meeting water, the generated temperature can reach more than 60 ℃, and the thiourea dioxide and the sulfur dye can be dissolved sufficiently. Therefore, heating and warming are not needed in the dye liquor preparation process, and the dye liquor is energy-saving and environment-friendly.

d. And (3) post-treatment: and (4) feeding the cotton yarn belt into water containing a color fixing agent for color fixing treatment.

Wherein, the post-treatment in the step d does not need heating, and the color is fixed in a normal temperature system; the normal speed of the vehicle is about 25 m/min, and the concentration of the color fixing agent is 3-5 g/L. As the cotton tapes absorb part of the fixing agent, the fixing agent needs to be replenished. The concentration of the supplementary liquid is preferably higher than that of the original color fixing agent, and the concentration of the color fixing agent in the supplementary liquid can be 5 times that of the original color fixing agent treatment liquid.

The step mainly reduces the floating color, achieves the effect of color fixation on the premise of achieving the same apparent dyeing depth, and also reduces the discharge of printing and dyeing wastewater.

Further, after step c and before step d, the following steps may be further included:

c1, color register of paint: and spraying pretreatment liquid on the dyed cotton yarn belt according to required pattern, and then putting the cotton yarn belt into a coating color paste dip-coating cylinder for coloring.

In the process, the place sprayed with the pretreatment liquid will not be colored for the second time, and the place without the pretreatment liquid will be colored again, so that the cotton yarn belt pattern has the illusion-color effect. The pretreatment liquid may be sprayed, rolled, etc., as long as the pretreatment liquid can be applied to the cotton string.

The coating color paste can be SiiO G type coating color paste and adhesive, water is added for stirring, the mixture is filtered after the color concentration meets the requirement, and the mixture is kept stand until bubbles disappear. SilianG type coating color paste integrates pigments, wetting agents, emulsifying agents, water and other low-viscosity colored fluids, has complete color spectrum and bright color; the fineness is uniform, and the tinting strength is high; because the paint color paste is incompatible with the treating agent GRE and the penetrating agent JFC, the place coated with the pretreatment liquid cannot be colored for the second time; the coating color paste is environment-friendly, and can be used for technical monitoring of formaldehyde, extractable heavy metals, forbidden aromatic amine, APEO and toxic and harmful substances of phthalate, and the use requirements of domestic and foreign environment-friendly textiles are met through detection and certification of international authorities. Specifically, the coating color paste can be composed of the following components: 1-10% of SiBing G type coating color paste, 20-30% of adhesive, 15-25% of modified starch and the balance of water.

The utility model discloses in still provide a vulcanization dyeing apparatus, as shown in fig. 1, including consecutive unreeling structure 1, ion reaction tank 3, first ion reaction baking house 4, vulcanization dyeing tank 6, oxidation frame 7, wash bowl 8, second ion reaction baking house 9, fixation treatment trough 10. It should be noted that the subassembly that the vulcanization dyeing apparatus adopted is the equipment that the market was present, as long as can realize corresponding function can, the utility model discloses an innovation part lies in the combination of process order, and the institutional advancement of certain subassembly, consequently the utility model discloses structure to the subassembly is not specifically limited.

As shown in fig. 2, the ion reaction tank 3 is provided with a filtering device 31, a circulating pump 32 and a padder, an input end of the circulating pump is connected with the bottom or the side of the ion reaction tank 3, and an output end of the circulating pump is arranged at the upper part of the ion reaction tank 3; the filtering device is arranged on a pipeline between the ion reaction tank 3 and the circulating pump, and the pretreatment liquid pumped out from the ion reaction tank 3 is filtered by the filtering device and then returns to the ion reaction tank 3; cloth guide rollers are arranged above two ends of the ion reaction tank 3, a plurality of multi-edge rollers are arranged in the ion reaction tank 3, and the padder is arranged at the cloth outlet end of the ion reaction tank 3; a plurality of multi-edge rollers are arranged in the ion reaction tank, and the padder is arranged at the cloth outlet end of the ion reaction tank; the cotton yarn belt is drawn by the cloth guide roller, enters the ion reaction tank, sequentially passes through the multi-edge roller and the padder, and is sent to the first ion reaction drying room. The cotton yarn belt is drawn by the cloth guide roller, enters the ion reaction tank 3 and is soaked in the pretreatment liquid for modification treatment, the cotton yarn belt can be better contacted with the pretreatment liquid by the arrangement of the multi-edge roller, the liquid carrying amount of the cotton yarn belt is reduced by the cotton yarn belt through the padder, and the cotton yarn belt is sent to the first ion reaction drying room 4 through the cloth guide roller for drying treatment.

Cloth guide rollers are arranged at two ends of the first ion reaction drying room, and at least 6 drying cylinders are arranged in the first ion reaction drying room; the cotton yarn belt is drawn by the cloth guide roller, enters the first ion reaction drying room, passes through the drying cylinder and is sent to the vulcanization dyeing tank. At least 6 drying cylinders are respectively arranged in the first ion reaction drying room 4 and the second ion reaction drying room 9, so that the water content of the cotton yarn belt can be reduced as much as possible, and the polar groups on the surface of the cotton fibers are better adsorbed.

Cloth guide rollers are arranged above two ends of the vulcanization dyeing tank 6, a plurality of multi-edge rollers are arranged in the vulcanization dyeing tank 6, and a padder is arranged at the cloth outlet end of the vulcanization dyeing tank 6; the cotton yarn belt is drawn by a cloth guide roller, enters a vulcanization dyeing tank, sequentially passes through a multi-edge roller and a padder, and is conveyed to an oxidation rack. The cotton yarn belt is drawn by the cloth guide roller, enters the vulcanization dyeing tank 6 and is soaked in the dye liquor for dyeing treatment, the cotton yarn belt can be better contacted with the dye liquor due to the arrangement of the multi-edge roller, the liquid carrying amount of the cotton yarn belt is reduced by the cotton yarn belt through a padder, and the cotton yarn belt is conveyed to the oxidation rack 7 through the cloth guide roller for natural oxidation treatment.

Cloth guide rollers are arranged at two ends of the oxidation frame 7, at least 3 guide roller combinations are arranged in the oxidation frame 7, and each guide roller combination comprises an upper guide roller arranged at the top of the oxidation frame 7 and a lower guide roller arranged at the bottom of the oxidation frame 7; the cotton yarn belt is drawn by the cloth guide roller, enters the oxidation rack, passes through the oxidation rack up and down, and then is conveyed to the rinsing bath. The cotton yarn belt sequentially passes through the plurality of cloth guide roller combinations and bends up and down in the oxidation rack 7 to advance, and the arrangement of the cloth guide roller combinations increases the total stroke of the cotton yarn belt in the oxidation rack 7, so that the cotton yarn belt can be fully contacted with oxygen, the oxidation time is prolonged, and the coloring effect is improved; wherein, a vulcanization dyeing tank 6 and an oxidation frame 7 are a set, and can be set into a plurality of groups according to the color requirement of the cotton yarn belt.

The washing tank 8 is provided with one washing tank, cloth guide rollers are arranged above two ends of the washing tank 8, and a padder is arranged at the cloth outlet end of the washing tank 8; the cotton yarn belt is drawn by the cloth guide roller, enters the water washing tank, passes through the padder and is sent to the second ion reaction drying room. The cotton yarn belt is dragged by the cloth guide roller, enters the washing tank 8, is soaked in clear water for washing treatment, is subjected to padder to reduce the liquid content of the cotton yarn belt, and is dragged by the cloth guide roller to enter the second ion reaction drying room 9 for drying treatment; the cotton yarn belt after modification is dyed only by washing with clean water once.

Cloth guide rollers are arranged at two ends of the second ion reaction drying room 9, and at least 6 drying cylinders are arranged in the second ion reaction drying room 9; the cotton yarn belt is drawn by the cloth guide roller, enters the second ion reaction drying room 9, passes through the drying cylinder and is sent to the color fixing treatment tank.

Cloth guide rollers are arranged above two ends of the color fixing treatment tank 10, a plurality of multi-edge rollers are arranged in the color fixing treatment tank 10, and a padder is arranged at the cloth outlet end of the color fixing treatment tank 10; the cotton yarn area is drawn through the fabric guide roll, and the cotton yarn area is soaked in the fixation solution containing the fixation agent in the fixation treatment groove 10 for fixation treatment, the arrangement of the polygonal stick can enable the cotton yarn area to be better contacted with the fixation solution, the cotton yarn area reduces the liquid carrying amount of the cotton yarn area through the padder, and the cotton yarn area is conveyed to the next procedure through the fabric guide roll.

Further, as shown in fig. 3, a printing machine 11 and a paint color register cylinder 12 are also arranged between the second ion reaction drying room 9 and the color fixing treatment tank 10;

the printing machine 11 adopts the method and the device for forming bamboo joint patterns on yarns by adopting the device of the utility model patent of the applicant, and the application number is CN 201510875878.4. The printing machine 11 comprises cloth guide rollers arranged at two ends of the printing machine 11 and rollers arranged between the cloth guide rollers and used for printing on a cotton yarn belt. The cotton yarn belt is drawn by a cloth guide roller and enters a printing machine 11, the printing machine 11 coats pretreatment liquid on the cotton yarn belt, the pattern style and the distance interval can be adjusted according to design requirements, and after coating is finished, the cotton yarn belt is drawn by the cloth guide roller and enters a coating chromatography cylinder 12 for secondary dyeing treatment;

the structure of the coating color register cylinder 12 is similar to that of the vulcanization dyeing tank 6, cloth guide rollers are arranged above two ends of the coating color register cylinder 12, a plurality of multi-edge rollers for increasing the contact between the cotton yarn belt and the coating are arranged in the coating color register cylinder 12, and a padder for rolling off the redundant coating on the cotton yarn belt is arranged at the cloth outlet end of the coating color register cylinder 12; the cotton yarn belt is drawn by the cloth guide roller and enters the next working procedure.

Further, as shown in fig. 1, a preheating drying cylinder 2 is further disposed between the unwinding structure 1 and the ion reaction tank 3. The preheating drying cylinder can be used for preheating the cotton yarn belt, and when the indoor temperature is low, the preheating drying cylinder can preheat the cotton yarn belt in order to ensure the pretreatment effect of the cotton yarn belt. A cooling roller 5 can be arranged between the first ion reaction drying room 4 and the vulcanization dyeing tank 6 and is used for cooling cotton yarns.

The utility model discloses an improve the dyeability of sulphur dyestuff to cotton yarn, carry out modification treatment to cotton yarn with processing agent GRE adds penetrant JFC, adopt the normal atmospheric temperature system to carry out the preliminary treatment, solve the affinity problem between dyestuff and fibre, improve the dye uptake; the color is fixed by adopting a normal temperature system, so that the flooding is reduced, and the dyeing process does not need to be washed with water; the method has the advantages that the washing times are reduced, the dyeing wastewater discharge is reduced, and meanwhile, the dye uptake and color fastness of the sulfur dye to cotton yarns are improved, so that the method has very important significance for improving the added value of textiles, reducing the pollution of the sulfur dye dyeing process to the environment and saving water. Moreover, the utility model discloses still find another use of preliminary treatment, utilize it to be incompatible with G type coating mill base Sially oneself with its characteristic, make the cotton yarn can accomplish the chromatography dyeing, make the cotton yarn have the pattern to have the effect of illusion-colour.

The present invention will be further described with reference to the following specific examples.

Example 1

A water-saving dyeing method of indigo comprises the following specific steps:

a. preparing a pretreating agent: taking the treating agent GRE, mixing the penetrating agent JFC with industrial water at a ratio of 0.5:1, wherein the concentration of the penetrating agent GRE is 0.5g/L, and the concentration of the penetrating agent is 1 g/L.

Preparing bottom water: the concentration of each raw material in the bottom water is indigo powder: 90g/L, caustic soda: 15g/L, thiourea dioxide: 5 g/L. The bottom water is put into a dye vat.

Preparing an indigo vat: the concentration of each raw material in the large sulfur dye material is indigo powder: 250g/L, caustic soda: 60g/L, thiourea dioxide: 20 g/L. Adding water 300L into a material opening barrel, adding caustic soda, thiourea dioxide, indigo powder, adding water, and stirring. The mixture is not boiled under heating and stirred continuously.

b. Pretreatment: the cotton yarn belt passes through an ion reaction tank provided with GRE and JFC pretreatment liquid, and is modified at normal temperature for 10 seconds, so that the permeability of dye is increased. When the pretreatment liquid in the ion reaction tank needs to be supplemented, the concentration of the supplement liquid of the pretreatment liquid is 4 times of that of the pretreatment liquid.

c. And the cotton yarn belt is modified by the ion reaction tank, enters an ion reaction drying room, and is dried. The drying temperature is 100 ℃, and the baking time is 10 seconds.

d. Dyeing: and (b) dyeing the modified cotton yarn belt in the bottom water obtained in the step (a) according to a bath ratio of 1:30, and continuously adding a sulfur dye macro material into the bottom water to ensure the stable concentration. Washing with clear water, and drying to obtain the cotton yarn belt modified and dyed by the pretreatment liquid. The dyeing temperature is 90 ℃ and the dyeing time is 10 seconds. The baking temperature is 100 ℃, and the baking time is 10 seconds.

e. And (3) post-treatment: the post-treatment is carried out in water containing 4g/L of color fixing agent, the dyeing dye-uptake is improved, the color fixing purpose is achieved, the loose color is reduced, the color is deepened, and no red light is generated. The concentration of the fixing agent can be 5 times of the bottom water of the fixing agent during replenishment.

The dyed 10S cotton yarn is used as warp yarn, and 10S cotton viscose blended yarn (90% cotton and 10% viscose) is used as weft yarn to weave the fabric. Detecting the fabric, reporting the number: ZFLJ 2317773B:

measuring the water color fastness by GB/T5713-2013 to be level 4-5;

measuring the color fastness to perspiration by GB/T3922-2013, 4-5 (acidity) and 4-5 (alkalinity);

measuring the rubbing color fastness level 3 (dry rubbing) and level 2 (wet rubbing) according to GB/T3920-;

testing the soaping fastness level 4 according to GB/T3921-;

the breaking strength was determined in accordance with GB/T3923.2-2013 as 740N (warp) and 300N (weft);

determining the tearing strength (339 g/square meter fabric) according to GB/T3917.1-2009, 53N (warp direction) and 49N (weft direction);

determining the content of formaldehyde according to GB/T2912.1-2009, and not detecting;

the content of the azo compound is determined according to GB/T17592-2011 and is not detected.

Example 2

A water-saving dyeing method of pure sulfur black comprises the following specific steps:

a. preparing a pretreating agent: taking the treating agent GRE, blending the penetrating agent JFC with industrial water in a ratio of 1:1, wherein the concentration of the penetrating agent GRE is 1g/L, and the concentration of the penetrating agent is 1 g/L.

Preparing bottom water: the concentration of each raw material in the bottom water is water agent black: 100g/L, caustic soda: 15g/L, thiourea dioxide: 5 g/L. The bottom water is put into a dye vat.

Preparing a sulfur dye big material: the concentration of each raw material in the sulfur dye bulk material is water-based black: 400g/L, caustic soda: 60g/L, thiourea dioxide: 20 g/L. Adding water about 300L into a material opening barrel, pouring caustic soda, thiourea dioxide and liquid water agent black, pouring the materials, adding enough water, and stirring uniformly for use. The mixture is not boiled under heating and stirred continuously.

d. Dyeing: and (b) dyeing the modified cotton yarn belt in the bottom water obtained in the step (a) according to a bath ratio of 1:30, and continuously adding vulcanized macro materials into the bottom water to ensure the stable concentration. Washing with clear water, and drying to obtain the cotton yarn belt modified and dyed by the pretreatment liquid. The dyeing temperature is 90 ℃ and the dyeing time is 10 seconds. The baking temperature is 100 ℃, and the baking time is 10 seconds.

The dyed 10S cotton yarn is used as warp yarn, and 10S cotton viscose blended yarn (90% cotton and 10% viscose) is used as weft yarn to weave the fabric. The fabric is detected, and the detection result is as follows:

measuring the water color fastness by GB/T5713-2013 to be level 4-5;

testing the soaping fastness level 4 according to GB/T3921-;

the breaking strength was measured in accordance with GB/T3923.2-2013 at 690N (warp) and 300N (weft);

determining the tearing strength (339 g/square meter fabric) according to GB/T3917.1-2009, 53N (warp direction) and 36N (weft direction);

Example 3

A water-saving dyeing method of vulcanized black-set coating blue specifically comprises the following steps:

a. preparing a pretreating agent: taking a treating agent GRE, and taking a penetrating agent JFC according to a ratio of 1:1, specifically GRE: 2g/L, penetrant JFC: 2g/L, and is boiled by industrial water.

Preparing bottom water: the concentration of each raw material in the bottom water is water agent black: 100g/L, caustic soda: 15g/L, thiourea dioxide: 5g/L, and putting bottom water into a dye vat.

Bulk concentration of sulfur dye: the concentration of each raw material in the sulfur dye bulk material is water-based black: 325g/L, caustic soda: 60g/L, thiourea dioxide: 20 g/L. Adding water about 300L into a material opening barrel, pouring caustic soda, thiourea dioxide and liquid water agent black, pouring the materials, adding enough water, and stirring uniformly for use. The mixture is not boiled under heating and stirred continuously.

b. Pretreatment: the cotton yarn belt passes through an ion reaction tank provided with GRE and JFC pretreatment liquid, and is modified at normal temperature for 10 seconds, so that the permeability of dye is increased. When the pretreatment liquid in the ion reaction tank needs to be supplemented, the concentration of the supplement liquid of the pretreatment liquid is 4 times of that of the pretreatment liquid

c. Dyeing: and (b) dyeing the modified cotton yarn belt in the bottom water obtained in the step (a) according to a bath ratio of 1:30, and continuously adding a sulfur dye macro material into the bottom water to ensure the stable concentration. Washing with clear water, and drying to obtain the cotton yarn belt modified and dyed by the pretreatment liquid. The dyeing temperature is 100 ℃, and the dyeing time is 10 seconds. The baking temperature is 100 ℃, and the baking time is 10 seconds.

d. Color register pretreatment: and spraying pretreatment liquid on the cotton yarn belt dyed with black to process to form required patterns. When the pretreatment solution needs to be supplemented, the concentration of the supplement solution is 4 times of that of the pretreatment solution.

e. Color register of the coating: the black cotton yarn belt treated by the spraying pretreatment liquid is colored by a coating color register cylinder 12. Where there is no pretreatment liquid, the paint blue is re-colored, and where there is no spray liquid, the illusion of color is created. The coating color paste comprises the following components: 5 percent of SilianG type coating color paste, 25 percent of adhesive, 20 percent of modified starch and the balance of water.

f. And (3) post-treatment: the post-treatment is carried out in water containing 4g/L of color fixing agent, the dyeing dye-uptake is improved, the color fixing purpose is achieved, the loose color is reduced, the color is deepened, and no red light is generated. The concentration of the fixing agent can be 5 times of the bottom water of the fixing agent during replenishment.

measuring the water color fastness by GB/T5713-2013 to be level 4-5;

testing the soaping fastness level 4 according to GB/T3921-;

breaking strength 710N (warp) and 310N (weft) were measured according to GB/T3923.2-2013;

the tearing strength (339 g/square meter fabric) is measured according to GB/T3917.1-2009 in 50N (warp direction) and 48N (weft direction);

Therefore, the technical scheme provided by the utility model can give higher dyeing fastness, washing and rubbing fastness to cotton yarn fabric. The breaking strength is measured, and the tearing strength is higher than the industrial standard. And does not contain formaldehyde and azo compounds. Therefore, the cotton yarn fabric prepared by the utility model has excellent dyeing performance. More importantly, besides improving the dye uptake and color fastness of the sulfur dye to cotton yarns, the pretreatment and color fixation system adopts normal temperature, does not need heating, increases the oxidation speed, reduces the washing times, improves the added value of textiles, reduces the pollution of the dyeing process to the environment and saves water, and has very important significance for further development to the waterless dyeing process.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. A vulcanization dyeing device is characterized by comprising an unreeling structure, an ion reaction tank, a first ion reaction drying room, a vulcanization dyeing tank, an oxidation rack, a water washing tank, a second ion reaction drying room and a color fixing treatment tank which are sequentially connected;

a padder is arranged on the ion reaction tank, cloth guide rollers are arranged above the two ends of the ion reaction tank, a plurality of multi-edge rollers are arranged in the ion reaction tank, and the padder is arranged at the cloth outlet end of the ion reaction tank; the cotton yarn belt is drawn by a cloth guide roller, enters an ion reaction tank, sequentially passes through a multi-edge roller and a padder, and is sent to a first ion reaction drying room;

2. The vulcanization dyeing apparatus of claim 1, wherein a coating printing machine and a coating color register cylinder are further disposed between the second ion reaction drying room and the color fixing treatment tank.

3. The vulcanization dyeing apparatus of claim 1, wherein a preheating drying cylinder is further disposed between the unwinding structure and the ion reaction tank.

4. The vulcanization dyeing apparatus of claim 1, wherein a cooling drum is further disposed between the first ion reaction drying chamber and the vulcanization dyeing tank.

5. The vulcanization dyeing apparatus of claim 1, wherein the ion reaction tank is provided with a filtering device and a circulating pump, an input end of the circulating pump is connected with the bottom or the side surface of the ion reaction tank, and an output end of the circulating pump is arranged at the upper part of the ion reaction tank; the filtering device is arranged on a pipeline between the ion reaction tank and the circulating pump.

6. The vulcanization dyeing apparatus of claim 2, wherein said coating printing machine comprises cloth guide rollers disposed at both ends of the printing machine and a roller disposed between the cloth guide rollers for printing on the cotton yarn belt; the cotton yarn belt is drawn by a cloth guide roller and enters a printing machine, and the printing machine coats pretreatment liquid on the cotton yarn belt and then sends the cotton yarn belt to a paint chromatography cylinder;