47results about How to "Improve desizing efficiency" patented technology

The invention belongs to the technical field of textile printing and dyeing, and particularly relates to an environment-friendly energy-saving cloth printing and dyeing process. A boiling-off device used in the process comprises a pool body with an opening in the upper end; the position, close to the bottom, of the pool body is provided with a group of guide rollers, and one ends of the guide rollers are rotatably connected with the side walls of the pool body; the interior of the pool body between the adjacent guide rollers is fixedly connected with a sliding barrel, and the interior of the sliding barrel is in sliding connection with a sliding column; the top of the sliding column is fixedly connected with a rotating shaft, the rotating shaft is sleeved with a tensioning roller, and thetensioning roller is rotatably connected with the rotating shaft; a first hole formed in the rotating shaft in the axial direction communicates with a water pump through a pipeline and a valve; a second hole is reversely formed in the middle of the rotating shaft along the diameter of the cross section of the rotating shaft, and the second hole communicates with the first hole; and the position, corresponding to the second hole, of the tensioning roller is provided with an annular groove, and a group of spraying holes communicating with the annular groove are uniformly distributed in the outercircumference of the tensioning roller. A desizing agent is sprayed to grey cloth by the spraying holes, so that the desizing efficiency of the grey cloth is improved.

The invention mainly discloses a desizing equipment for textile fabrics. Its technical proposal includes a cloth laying rack, a pretreatment device, a scraping device and a desizing box. The pretreatment device includes a pretreatment rack, a water receiving tank, and a transmission roller. And the water spray device, the water receiving tank is located at the bottom of the pretreatment frame, the transmission rollers are distributed on the pretreatment frame in an inverted triangle, the water spray device is located between the adjacent transmission rollers, the scraping device includes a scraping box, the first cloth guide roller , brushing roller and driving device, the driving device respectively drives the first cloth guide roller and brushing roller to rotate, the desizing box includes a trough and an oscillating trough, and a feeding device and a second cloth guide with a heating pipe are arranged in the trough The roller has an oscillating device in the oscillating groove, and the oscillating device includes an oscillating roller, an oscillating wheel and an oscillating motor. The invention has fast desizing speed, high desizing efficiency, less damage to fabric fibers, removes pollutants and symbiotic impurities on fabrics, and is convenient for later processing of fabrics.

The invention discloses a method for processing a yarn-dyed four-side stretch fabric garment. The method comprises the following steps: (a) alkali soaking; (b) biological enzyme polishing; (c) dyeing;(d) air drying; (e) sizing; (f) weaving; (g) desizing; (h) scouring and bleaching; (i) padding; (j) drying; (k) finishing; and (l) pre-shrinking. The method is simple in process, saves energy and reduces consumption and is easy to control, and an obtained fabric is soft and comfortable in touch and has a fine and soft gloss, good non-ironing property, anti-wrinkle performance and anti-pilling performance and dimensional stability.

The invention discloses an efficient desizing machine. The efficient desizing machine comprises a machine frame, a desizing region, a stacking region and a cleaning region. The desizing region comprises a desizing tank and a padder which are located at the lower end of the machine frame; the stacking region comprises a first variable-frequency roller, a second variable-frequency roller and a cloth conveying track, the first variable-frequency roller and the second variable-frequency roller are located on the machine frame, and the cloth conveying track is located between the first variable-frequency roller and the second variable-frequency roller; the cleaning region comprises a roll and a washing box; to-be-processed cloth is subjected to desizing enzyme padding in the desizing region, then decomposed in the stacking region and finally washed in the washing region, and then the desizing process is completed. According to the efficient desizing machine, the structure of a desizing machine is changed, desizing enzyme decomposition time is increased, the washing effect of the washing box is also improved, the desizing efficiency is improved, and the product quality is improved.

The invention relates to a rope-form pretreatment process based on a low-alkaline scouring agent. The process comprises steps of batching, singeing, enzyme desizing, rope-form low-alkaline scouring with a two-step method and rope-form oxygen bleaching. The enzyme desizing efficiency is improved by the aid of an efficient penetrant, a sizing agent on fabric is effectively removed by using the low-alkaline scouring agent, and the use amount of alkali in the scouring process is reduced. The use amount of caustic soda is reduced while the pretreatment effect is guaranteed, the pH value of wastewater is reduced, and the biodegradability of the wastewater is improved.

The invention discloses an environmentally-friendly desizing agent used for high-density polyester fabric. The environmentally-friendly desizing agent is prepared from, by weight, 3-6 parts of sodium hydroxide, 2-5 parts of sodium percarbonate, 1-3 parts of sodium bromite, 1.5-3 parts of tetraacetyl ethylenediamine,5-10 parts of cellulose compound enzyme, 2-3 parts of calcium chloride, 1-4 parts of secondary alkyl sodium sulfonate, 5-8 parts of n-butyl acetate, 1-2.5 parts of alkali lignin, 1-2 parts of a buffering agent, 0.5-1.5 parts of a penetrating agent and 20-50 parts of deionized water. The invention further discloses a preparation method of the environmentally-friendly desizing agent. The desizing agent is good in desizing effect, excellent in acid and alkali resistance, free of damage to the fabric and small in usage quantity, cleaning is easy, the yield of waste water is low, and no pollution is generated; the preparation method is simple, the raw materials are easy to obtain, the price is low, and the production cost is low.

The invention discloses a red dye composition. The red dye composition comprises dyes shown in the general formulas (I) and (II) and assistants. The invention also discloses a preparation method of the red dye composition and a dyeing method adopting the red dye composition. The red dye composition has the advantages of good oxidation resistance and short dyeing process.

The invention discloses an efficient desizing machine. The efficient desizing machine comprises a machine frame, a desizing region, a stacking region and a cleaning region. The desizing region comprises a desizing tank and a padder which are located at the lower end of the machine frame; the stacking region comprises a first variable-frequency roller, a second variable-frequency roller and a cloth conveying track, the first variable-frequency roller and the second variable-frequency roller are located on the machine frame, and the cloth conveying track is located between the first variable-frequency roller and the second variable-frequency roller; the cleaning region comprises a roll and a washing box; to-be-processed cloth is subjected to desizing enzyme padding in the desizing region, then decomposed in the stacking region and finally washed in the washing region, and then the desizing process is completed. According to the efficient desizing machine, the structure of a desizing machine is changed, desizing enzyme decomposition time is increased, the washing effect of the washing box is also improved, the desizing efficiency is improved, and the product quality is improved.

The invention discloses a non-ironing processing method for yarn-dyed four-way stretch fabric garments, which comprises the following steps: (a) alkali soaking; (b) biological enzyme polishing; (c) dyeing; (d) air drying; (e) sizing (f) weaving; (g) desizing; (h) scouring and bleaching; (i) padding; (j) drying; (k) finishing; (l) shrinking. The invention has the advantages of simple process, energy saving and consumption reduction, and is easy to control, and the obtained fabric has soft and comfortable handle, delicate and soft luster, good non-ironing performance, anti-wrinkle performance, anti-pilling performance and dimensional stability.

The invention belongs to the technical field of textile equipment, and particularly relates to textile fabric desizing equipment which comprises a desizing pool and a clean water pool, a support is arranged on the desizing pool and the clean water pool, a transverse plate is arranged on the desizing pool and the clean water pool, two placing plates are arranged on the desizing pool, a plurality of feeding rollers are arranged on the support, and the feeding rollers are arranged on the transverse plate. Auxiliary rollers are arranged in the desizing pool and the clean water pool, desizing fabric is arranged on the multiple feeding rollers and the auxiliary rollers, a motor is arranged on the support, a rotating rod is fixedly installed on an output shaft of the motor, a first bevel gear is fixedly installed on the rotating rod, a second bevel gear is meshed with the first bevel gear, and a rotating rod is fixedly installed on the second bevel gear; a slurry cleaning mechanism is arranged on the support, two inclined plates are arranged on the desizing pool, first collecting boxes are arranged on the two placing plates, and a first belt wheel is fixedly installed on the rotating rod. The desizing device can automatically clean slurry blocks, reduce the possibility that the slurry blocks are stained on fabrics, clean the fabrics and improve the desizing efficiency, and is simple to use and convenient to operate.

The invention discloses a textile fabric desizing equipment for textiles, which comprises a desizing box body, a discharge drum is fixed above the left end of the desizing box, and a feeding port is arranged on the right end of the unloading drum. A hydrolysis zone is arranged on the left inner side of the slurry box, and a limit roller is installed on the upper left of the hydrolysis zone, a stirring motor is fixed above the center of the hydrolysis zone, and a stirring shaft is fixed at the lower end of the stirring motor. Compared with the existing textile fabric desizing equipment, the textile fabric desizing equipment for textiles is provided with a heating plate and a stirring rod, and heating plates are arranged on the left and right sides of the hydrolysis zone. Increasing the temperature of the solution increases the activity of amylase in the solution, thereby accelerating the efficiency of equipment desizing, and a stirring rod is also provided inside the hydrolysis box, and the solution can be stirred more fully through the n-shaped stirring rod. Sufficient contact of the solution to the cloth further increases the efficiency of hydrolysis.

The invention relates to a cloth fabric with holes and a preparation method thereof, belonging to the technical field of cloth materials. The grey cloth of the cloth fabric with holes is formed by interweaving T / R fibers, and a plurality of evenly distributed holes are formed in the cloth fabric with holes. The preparation process of the cloth fabric with holes comprises the following steps: cloth batching, continuous desizing and water washing, perforating, dyeing, reduction washing, dewatering and cloth spreading, drying in a drum, in-process inspection and setting. The surface of the cloth fabric with holes disclosed by the invention has regular holes, brings a different visual effect to people, and has excellent elasticity and excellent air permeability.

The invention relates to a method for weaving fabrics with high moisture absorption and free styles. The method includes that warp yarns are cellulose fiber yarns which are already subjected to sizing treatment, and sizing agents comprise water dispersible polyester and acidic starch mixed size during sizing; weft yarns are made of cellulose fiber yarns and polyester filament yarns, and the warp yarns and the weft yarns are interwoven by the aid of different-surface weave on looms to obtain grey cloth; each weft yarn at least comprises the corresponding single polyester filament yarn and the corresponding single cellulose fiber yarn; the polyester filament yarn and the cellulose fiber yarn of each weft yarn are distributed on different cheeses before being woven and are wound on different weft accumulators during weaving, the water dispersible polyester is sprayed on the polyester filament yarns when the polyester filament yarns are transmitted through spray devices, then the polyester filament yarns and the cellulose fiber yarns of the weft yarns are led in via water or air jet looms, and the multiple weft yarns are freely wound in the air and are led into cloth fell; boiling, bleaching, dyeing, soaping and soft type approval are carried out on the grey cloth. The method has the advantages that one surface of each fabric is soft, fine and smooth and is high in moisture absorption, the other surface of each fabric is smooth and moisture-absorption and has printing styles, and accordingly the fabrics can be widely applied to home textile products and garment products.