70 results about "Desizing" patented technology

The invention discloses a production method of environment-friendly untwisted yarn, which belongs to the field of spinning and comprises the following steps: S1, single yarn warping: arranging a certain number of single warp yarns in order, and winding the single warp yarns on a warping beam; s2, sizing: adding sizing agent into the yarns through a sizing machine for sizing, or adding sizing agent into the yarns through a bobbin dyeing machine for sizing; s3, bobbin making: winding the sized yarn on a bobbin by using a bobbin making machine to make a cheese package meeting the requirements of a doubler winder; s4, doubling: changing the cheese package of the bobbin making machine into the package of a doubling winder; s5, untwisting the single yarn: feeding the single yarn packaged by the doubling winder into a two-for-one twister; s6, weaving: making the untwisted yarns into a semi-finished product through a weaving machine; s7, desizing: adding desizing enzyme or a desizing agent into the semi-finished product, and desizing by using a desizing machine; and S8, post-treatment: treating the desized semi-finished product to obtain a finished product. According to the method, the untwisted yarn can be produced without using water-soluble yarn or water-soluble silk, and the method is more energy-saving and environment-friendly and lower in production cost.

The invention relates to the technical field of industrial wastewater treatment and resource recovery, discloses a printing and dyeing wastewater desizing water alkali recovery method, and solves the problem of low recovery treatment efficiency caused by serious membrane pollution when printing and dyeing desizing wastewater is treated by an existing membrane separation technology. The method comprises the following steps: carrying out homogenization and dissolved air flotation pretreatment on high-temperature desizing water to remove most of grease and suspended solids; then, clear liquid is filtered through an ultrafiltration membrane, a negative pressure environment is constructed on the membrane shell side to extract penetrating fluid in real time, meanwhile, fine bubbles are injected into feeding liquid to form gas-liquid two-phase flow, and the net pushing force of the membrane surface is controlled to be maintained in a 0.02-0.04 MPa micro-positive pressure interval so as to reduce membrane pollution; and carrying out nanofiltration purification on the primarily filtered water to finally obtain high-purity recovered alkali liquor. According to the invention, the problems of serious membrane pollution and fast flux attenuation in the traditional membrane treatment process are effectively solved, and efficient recovery of alkali and long-term stable operation of the system are realized.

The invention belongs to the technical field of electronic cloth, and particularly relates to slurry for low-dielectric fiber cloth as well as a preparation method and application of the slurry. The slurry for the low-dielectric fiber cloth is prepared from the following components in percentage by mass: 3.0 to 4.0 percent of vinyl alcohol polymer, 1.0 to 2.0 percent of ethylene oxide polymer, 0.1 to 0.3 percent of lubricating agent, 0.1 to 0.3 percent of dispersing agent, 0.1 to 0.3 percent of antistatic agent, 0.1 to 0.2 percent of coupling agent and the balance of pure water. According to the sizing agent for the low-dielectric fiber cloth, a low-polarity auxiliary agent system is adopted, the abrasion resistance of a sizing agent film and the stability of a sizing agent system are improved, fiber hairiness is reduced, the prepared electronic cloth is good in fiber dispersity and high in resin binding force after being subjected to high-temperature desizing, the use requirement of a high-speed PCB is met, and the reliability and CAF resistance of the electronic cloth in a severe environment can be improved; the invention also provides a preparation method thereof.

This application relates to a low-alkali wet mercerizing treatment method for improving the dimensional stability of Tencel fabrics, comprising the following steps: S1, cold piling desizing and refining treatment; S2, low-alkali wet mercerizing treatment; S3, washing and drying; S4, dyeing. The desizing rate, wicking effect, dimensional stability, strength, and various fastness properties of the Tencel fabrics obtained by this treatment method are effectively improved.

The invention belongs to the technical field of textile materials, and particularly relates to a PLA fiber ultraviolet-proof woven fabric and a preparation method thereof. According to the invention, the TiO2-coated SiO2 composite light stabilizer with a core-shell structure is constructed and surface hydrophobic modification is carried out on nano ZnO, so that the contradiction between efficient ultraviolet protection and long-term stability is synergistically solved from the source of the material, and the high efficiency and durability of the ultraviolet protection function are ensured. By combining the special-shaped interface fiber design and the variable square plain weave or honeycomb weave, the unification of physical shielding and wearing comfort is realized, and the sustainable ecological fiber PLA completely replaces the petroleum-based fiber, so that the biodegradable foundation is fundamentally laid, and the application prospect is wide. The adopted inorganic nano screening agent is stable and safe in chemical property, a traditional post-treatment process containing toxic substances is abandoned in the processing process, mild and environment-friendly technologies such as biological enzyme desizing are adopted, white pollution is avoided, and perfect fusion of high performance and environment friendliness is achieved.

The invention discloses a renewable ramie fiber / wool blended fabric and an environment-friendly dyeing and finishing process thereof, and belongs to the technical field of textile fabrics. The renewable ramie fiber / wool blended fabric is prepared from, by mass, 30%-50% of renewable ramie fibers, 25%-40% of wool fibers, 15%-30% of regenerated cellulose fibers and 0.5%-3% of functional auxiliaries, the ramie fibers are derived from recycled products, and the auxiliaries contain antibacterial agents and anti-wrinkle agents. During preparation, fibers are subjected to ultrasonic pretreatment, spinning and weaving to obtain grey cloth; the dyeing and finishing adopts biological enzyme desizing, hydrogen peroxide bleaching, natural vegetable dye dyeing and formaldehyde-free color fixation. The antibacterial rate of the fabric is larger than or equal to 90%, the anti-wrinkle recovery angle is larger than or equal to 280 degrees, the COD of dyeing and finishing wastewater is smaller than or equal to 400 mg / L, formaldehyde residues are avoided, energy consumption is low, excellent performance and environmental friendliness are both considered, and the method is suitable for the field of spinning.

The invention belongs to the technical field of fabrics, and provides a nylon conductive pearl point four-way stretch fabric and a processing technology thereof.The processing technology comprises the following steps that S1, raw material pretreatment is conducted, specifically, white conductive filaments serve as raw materials, after plasma treatment, the white conductive filaments are modified with a silane coupling agent, and surface modified conductive fibers are obtained; s2, yarn preparation, wherein the surface modified conductive fibers, chinlon and spandex serve as raw materials, and various kinds of yarn are prepared through a twisting machine; s3, warping, drawing and drafting and reed-making are carried out; s4, weaving; s5, carrying out preshrinking treatment and pre-shaping; s6, desizing and dyeing; and S7, softening and shaping to obtain the nylon conductive pearl point four-way stretch fabric. According to the fabric, efficient combination of the conductive fibers and the chinlon / spandex is achieved through the plasma activation and silane coupling agent modification technology, the four-side elastic comfort is kept, meanwhile, lasting and stable conductive performance and durability are achieved, and the comprehensive performance of the functional fabric is remarkably improved.

The invention relates to the technical field of textile size, in particular to a preparation method of desizing-free modified PVA (polyvinyl alcohol) size and a process for sizing yarns by the aid of the size, and the desizing-free modified PVA size is prepared from raw materials in parts by mass as follows: 40-60 parts of modified PVA, 20-30 parts of oxidized starch, 5-10 parts of polyethylene glycol, 2-5 parts of nanoparticles and 3-8 parts of a compound aid. 100 to 150 parts of deionized water; wherein the modified PVA is prepared by carrying out grafting or copolymerization modification on PVA with the polymerization degree of 1700-1800 and the alcoholysis degree of 88% through an acrylate monomer or one of maleic anhydride and itaconic acid. Compared with the prior art, the method has the advantages that the more hydrophilic modified PVA sizing agent is prepared firstly, then the desizing-free mixed sizing agent is prepared, and the yarns do not need to be desized in subsequent dyeing or after-finishing processing after being sized in the desizing-free mixed sizing agent, so that the textile technological process can be effectively reduced, the energy consumption is reduced, the sewage discharge is reduced, the damage to the yarns and fabrics is reduced, and the production cost is reduced.

The invention relates to the technical field of regenerated polyester fiber treatment, and discloses a regenerated polyester fiber continuous desizing and washing all-in-one machine which comprises a machine body, the machine body is arranged in a water tank shape, two symmetrically-arranged guide rollers are rotationally arranged on the inner wall of the machine body, and a bottom roller and a moving roller are fixedly arranged at the end, away from the guide rollers, in the machine body; scraping plates are fixedly embedded in the close sections of the bottom roller and the moving roller, an impurity scraping mechanism used for adjusting the position of the moving roller is arranged between the moving roller and the top of the machine body, two symmetrically-arranged mounting plates are fixedly arranged on one side of the top of the machine body, a driving screw is rotationally arranged between the two mounting plates, and motors are fixedly arranged on the outer walls of the mounting plates. According to the continuous desizing and washing all-in-one machine for the regenerated polyester fibers, floating impurities on the surface of the machine body can be rotationally fished while the multiple screens can be driven to transversely move, the impurities on the surfaces of the screens can not be treated by means of strong suction force of a dust collector in the fishing process, and it is guaranteed that desizing and washing work is continuously and stably carried out without detaching and cleaning the screens.

The utility model discloses textile fabric desizing equipment and aims to solve the problems that impurities such as greasy dirt, chippings, mud and the like can be possibly produced on fabric except slurry before desizing operation, the impurities are difficult to effectively remove only by using an extrusion roller, and in the existing desizing equipment, clean water can be directly discharged after the fabric is washed, so that the desizing efficiency is high, and the like. And a certain water resource waste problem exists. The desizing cavity and the cleaning cavity are formed in the box body, the multiple pressing plates moving in a reciprocating mode are arranged in the desizing cavity to flap fabric, impurities and stains on the fabric can be conveniently discharged through flapping, then the fabric enters the cleaning cavity and is washed through high-pressure clear water, the clear water for washing can flow into the stirring pool, and the fabric is washed through the high-pressure clear water. Clear water and a desizing agent are stirred by the stirring tank through a stirring rod and then are used for desizing the fabric, so that a water source is utilized for many times, and waste of water resources is reduced.

Disclosed are compositions and methods relating to variant α-amylases. The variant α-amylases are useful, for example, for starch liquefaction and saccharification, cleaning starchy stains, textile desizing, baking and brewing.

The invention provides an electronic-grade glass fiber cloth 1078 and a preparation method thereof, and the preparation method comprises the following steps: S1, warping warp yarns, sizing, winding the sized warp yarns on a warp beam, and merging the warp beam to obtain a warp beam; s2, sequentially drafting a weaving shaft, and feeding the warp yarns and the weft yarns into an air jet loom for weaving to form glass fiber grey cloth; and S3, carrying out primary desizing, secondary desizing and surface treatment on the glass fiber grey cloth to obtain the electronic-grade glass fiber cloth 1078. The electronic-grade glass fiber cloth 1078 prepared by the invention not only has the performance of other cloth, but also has high additional value, is more energy-saving and more environment-friendly, is beneficial to the product performance of downstream copper-clad plates, and meets the requirement of continuous development of the copper-clad plates.

The utility model discloses textile fabric desizing equipment for spinning, relates to the field of textile fabric processing, solves the problem that an existing device can only carry out single desizing liquid on textile fabric, and the auxiliary desizing effect is limited, and adopts the following scheme that the textile fabric desizing equipment comprises a front desizing assembly and a rear desizing assembly, a material rotating roller set is assembled between the two desizing assemblies, a material discharging roller set is assembled on the outer side of the desizing assembly on the rear side, and the feeding roller set, the desizing assembly on the front side, the material rotating roller set, the desizing assembly on the rear side and the material discharging roller set are sequentially sleeved with textile fabric in a transmission mode. According to the textile fabric desizing equipment for spinning, through the arrangement of the front desizing assembly and the rear desizing assembly, first-step desizing can be conducted on textile fabric through the front desizing assembly and desizing liquid filled in the front desizing assembly, then secondary efficient washing is conducted on the textile fabric through the rear desizing assembly, and therefore the effect of efficient desizing on the textile fabric is achieved.

The utility model discloses a kind of textile fabric desizing equipment for spinning, it is related to textile technical field, the following scheme is presented to the problem of low practicality that fabric is difficult to pass through limiting roller, cleaning roller and desizing roller in turn when fabric is passed through box due to the closed effect of box in view of background art, present and propose the following scheme, including base and desizing pool, base top is equipped with guide mechanism, guide mechanism includes two installation seat respectively through bolt connection on the outer wall on base top, two guide rollers and top plate through bolt connection on the outer wall on the top of two installation seat, lower pressure component is equipped between two installation seat, lower pressure component includes lifting cylinder through bolt connection on the outer wall on the top of top plate, installation frame through bolt connection on the bottom end of lifting cylinder piston rod and two lower pressure rollers, adjusting component is equipped between two installation seat.The utility model can reduce obstruction when placing fabric, can be loaded to fabric operation quickly, and improve practicality.

The utility model provides a textile yarn desizing and cleaning device which comprises a box body, a tightening assembly, a drip washing assembly and a circulating assembly, a cleaning box is arranged on the left side of the box body, a recycling box is arranged on the right side of the box body, and the tightening assembly is fixedly arranged on the left side of the top of the cleaning box. The tightening assembly comprises a first wire arrangement plate fixedly arranged at the top of the cleaning box and a driving part arranged at the top of the first wire arrangement plate, the drip washing assembly is fixedly arranged in the middle of the top of the recycling box, and the circulating assembly is fixedly arranged on the outer side of the box body. According to the spinning yarn desizing and cleaning device, the tightening assembly is arranged, the tension force generated when yarn makes contact with the first cleaning roller and the second cleaning roller is improved, the cleaning effect of the yarn is ensured, the drip washing assembly is arranged, it is ensured that impurities of the yarn are washed away under the action of the second cleaning roller, and the cleaning effect of the yarn is improved; and the circulating assembly is arranged, so that the recycling box can supplement cleaning liquid for the cleaning box and the liquid storage box, and the utilization rate of the cleaning liquid is increased.

The utility model relates to the technical field of textile fabric processing equipment, and particularly discloses textile fabric desizing equipment which comprises a supporting frame, a desizing pool is arranged at the top of the supporting frame, a filtering pool is arranged on one side of the supporting frame, a draining pool is arranged above the supporting frame, and a collecting box is arranged on one side of the filtering pool. The lower end of the filter cartridge is opposite to the collecting box, and a water leakage pipe at the bottom of the draining tank is connected with the higher end of the filter cartridge. Rollers are arranged at the tops of the side edges of the desizing pool and the draining pool and in the desizing pool, and longitudinal extrusion rollers are arranged in the draining pool. The high-end support is connected with a driving motor, a drainage port is formed in the bottom of the filter tank, the drainage pipe is connected with a water pump to circulate to the desizing tank, and a water outlet pipe at the bottom of the desizing tank is connected with a water leakage pipe through a valve. The drain pipe is arranged at the lowest end, and the extrusion roller is located on the lower portion of the inner cavity. According to the equipment, the desizing liquid is recycled through rotary filtration of the filter drum, emission and cost are reduced, the extrusion rollers and the V-shaped draining tank improve the fabric dewatering effect, the rollers guide fabric conveying, the structure is compact, and the desizing efficiency is high.

The invention provides a denim fabric processing method. The denim fabric processing method comprises the following steps: S1, warping warp yarns; s2, adopting an electrolytic method to reduce indigo dye for dyeing; s3, performing low-temperature sizing by using the sizing agent; s4, weaving; and S5, desizing at normal temperature or low temperature. According to the denim fabric processing method, in the dyeing process, an electrochemical technology is used for replacing sodium hydrosulfite to reduce indigo, electric power is used for replacing chemicals, clean production without vulcanization is achieved, pollution and carbon emission to the environment are avoided, and better color precision and color fastness are achieved. In the sizing process, the surface of the warp can be better coated with the sizing agent in a non-drying or semi-drying state, and steam consumption and waste of the sizing agent can be reduced. In the desizing process, no chemicals are used, the desizing device is more environment-friendly and pollution-free, part of water can be recycled, exchanged and utilized after being filtered, drying is carried out under the normal temperature condition and without a drying cylinder, redundant water is removed through extrusion or suction, steam used for direct drying is reduced, and energy conservation and emission reduction are achieved.

The utility model relates to the field of fabric desizing, and discloses a textile fabric desizing device which comprises a desizing frame body used for desizing supporting, the top end of the desizing frame body is fixedly connected with an installation frame, the two sides of the top end of the desizing frame body are both rotationally connected with traction rollers, the two sides of the interior of the desizing frame body are both rotationally connected with a plurality of lower pressing rollers, and the lower pressing rollers are fixedly connected with the installation frame. A downward pressing push rod is fixedly connected to the left side of the bottom end of the mounting frame, a connecting round sleeve is fixedly connected to the output end of the downward pressing push rod, a supporting column is fixedly connected to the bottom end of the connecting round sleeve, and a vibration assembly is mounted at the bottom end of the supporting column and used for achieving uniform contact between fabric and a solution. According to the fabric desizing device, the contact efficiency of a fabric and a solution is improved, the fabric desizing effect is improved, the fabric is cleaned through the cleaning soft roller, the convenience of taking and cleaning the desized fabric by the device is improved, and daily use of the device is facilitated.

The present application belongs to the technical field of dyeing and finishing, and relates to a dyeing and finishing method capable of preventing the problem of white spot of ammonia-spandex-containing dull lycra fabric, which sequentially comprises a pre-dyeing treatment stage, a pre-setting stage, a one-bath dyeing stage, a water washing and fixing stage and a setting stage; the pre-dyeing treatment stage refers to that the fabric sequentially passes through the processes of flat desizing, flat preshrinking and desizing and oil-removing water washing; the processes of flat preshrinking and desizing and oil-removing water washing are divided into a continuous preshrinking stage, a desizing and oil-removing stage and a water washing stage; the preshrinking stage is controlled by temperature and tension in 2-3 sections; the temperature of each section is gradually increased, and the temperature of the first section is not lower than 70 DEG C, and the temperature of the last section is not higher than 90 DEG C; the tension control of each section is gradually increased, and the tension control of the first section is not lower than 30 N, and the tension control of the last section is not higher than 40 N. The dyeing and finishing method of the present application greatly reduces the white spot occurrence rate of finished fabric, and also obviously reduces the defect conditions such as color mottle.

The present invention belongs to the technical field of fabric production, and specifically relates to a continuous fabric desizing device, comprising a desizing box, a stretching roller, a roller frame assembly, and at least two fixed rollers. The roller frame assembly comprises a fixed roller frame, a reciprocating power element, and a stretching roller frame linearly slidably connected to the fixed roller frame. The fixed rollers are hinged to the fixed roller frame in a horizontal row and fixed relative to the desizing box. The stretching rollers are hinged to the stretching roller frame in a horizontal row and are all located below the fixed rollers. The reciprocating power element has a reciprocating lifting power and is fixedly connected to the stretching roller frame. The present invention can improve the effect and speed of fabric desizing, thereby miniaturizing the continuous fabric desizing device while maintaining the same desizing effect and speed.

The invention discloses a scouring system and method based on a fabric double-layer desizing-scouring-bleaching combination machine, and relates to the technical field of printing and dyeing equipment. The boiling-off system and method based on the fabric double-layer desizing-scouring-bleaching combination machine comprise a boiling-off pool for boiling-off processing of a fabric body, a conveying roller installed on the boiling-off pool, a feeding pipe communicated with the boiling-off pool and used for adding a reagent and a liquid level instrument installed on the boiling-off pool and used for monitoring the liquid level. The guide plate is mounted on the side wall of the scouring pool and used for guiding the moving direction of the fabric body; the pressing plate is positioned on the side of the guide roller and is matched with the guide roller to fix a to-be-detected fabric body; the traction roller slidably abuts against the fabric body and is driven by external force to stretch the fabric body; by combining tensile detection and capillary effect detection, whether the boiling-off effect is just right or not can be more comprehensively judged, fibers are not excessively damaged, natural impurities can be effectively removed, and abnormal batches can be more accurately recognized.

The utility model relates to the technical field of spinning yarn cleaning, in particular to a spinning yarn cleaning device used after spinning desizing, which comprises a bottom plate, a cleaning component is mounted on the bottom plate, an auxiliary component is fixedly mounted on the bottom plate, the cleaning component comprises a rotating rod, an eccentric wheel is fixedly mounted on one side of the rotating rod, and the eccentric wheel is fixedly mounted on the other side of the rotating rod. An eccentric wheel is arranged on the upper portion of the cleaning assembly, a protruding block is arranged on one side of the eccentric wheel, a first cleaning box is fixedly installed on one side of the protruding block, and two sets of springs are fixedly connected to one side of the first cleaning box. The cleaning liquid in the first cleaning box cleans the spinning threads more uniformly through vibration, and then through rotation of the first reciprocating screw rod, the first brush rod reciprocates along with the first reciprocating screw rod through the moving rod to brush the spinning threads.

The utility model relates to the technical field of spinning, in particular to a spinning yarn cleaning device after spinning desizing, which comprises a box body, first mounting seats mounted at two ends of the box body, mounting blocks mounted at two ends of the first mounting seats, rotating shafts mounted on the side walls of the mounting blocks, guide rollers mounted on the rotating shafts, and a cleaning device mounted on the guide rollers. Through round holes are formed in the upper ends of the two sides of the box body, rotating rollers are rotationally inserted into the round holes, a servo motor is installed on the lower side of one end of the box body, and a belt wheel is installed at the output end of the servo motor; the adjusting assembly is arranged in the box body, and the adjusting assembly is used for adjusting the tightness degree of the to-be-cleaned textile thread; the cleaning assembly is arranged in the box body and used for cleaning the spinning threads to be cleaned, and the spinning thread cleaning device used after spinning desizing is provided to solve the stability problem of the spinning threads in the cleaning process.

The utility model relates to textile fabric processing technical field, concretely relates to a textile fabric desizing and alkali adding device, including the box, the front and back both ends of box all rotatoryly connect with the material guide roller, the bottom of inside box rotatoryly connect with two groups of conveyer rollers, the top of box and between two groups of conveyer rollers fixed mounting have vibration subassembly, the top of box and the front of vibration subassembly fixed mounting have alkali adding box, the rear end of inside box and below material guide roller fixed mounting have extruding mechanism, the inside of box and below extruding mechanism fixed mounting have filter box, the vibration subassembly includes the protection box fixed mounting in the top of box, the inside protection box fixed mounting has the mounting panel, the front end of mounting panel rotatoryly connect with the carousel, the utility model discloses through the synergic design of vibration desizing, elastic extrusion and modularization filtration, not only has improved desizing efficiency and effect, and reduced production cost.

The invention provides a reactive dye salt-free dyeing method for a cotton fabric by means of oxygen bleaching, aims to integrate a desizing-scouring-bleaching process and a cationization modification process, and comprises the steps of desizing-scouring-bleaching, low-temperature activation oxygen bleaching, cationic solution dipping, dyeing and the like. A traditional oxygen bleaching process and a hydrogen peroxide-tetraacetylethylenediamine low-temperature oxidation process are combined, firstly, the raw cotton fabric is selectively oxidized, selective conversion from hydroxyl to carbonyl on the surface of cotton fiber is achieved, and meanwhile desizing, boiling-off and bleaching are conducted on the raw cotton fabric; subsequently, the oxidized carbonyl-containing cotton fabric and a polyhexamethylene guanidine hydrochloride aqueous solution are subjected to a Schiff base reaction, and cationic groups are successfully introduced to the surface of the cotton fiber, so that the dye-uptake rate and fixation rate of salt-free dyeing of the reactive dye are improved, and the modified cotton fabric is endowed with excellent mechanical strength and whiteness on the basis of the dye-uptake rate and fixation rate.

The invention relates to the technical field of cloth processing, and particularly discloses a slurry-spot-free pretreatment clean dyeing and finishing method for chemical and blended fabrics, which comprises the following steps: (1) soaking the chemical and blended fabrics in a pretreatment solution, transferring the soaked chemical and blended fabrics into a composite desizing solution, and stirring to obtain desized chemical and blended fabrics; (2) putting the desized chemical and blended fabric into a weakly alkaline scouring agent, performing scouring treatment, transferring into a bleaching solution for bleaching, performing flushing treatment, and drying until the water content is less than or equal to 5%, so as to obtain the dried chemical and blended fabric; and (3) putting the dried chemical and blended fabric into a dyeing solution containing dye, carrying out dyeing treatment to obtain a dyed chemical and blended fabric, and carrying out color fixation treatment, water washing and drying on the dyed chemical and blended fabric to obtain the pulp-spot-free chemical and blended fabric. According to the non-slurry-spot pretreatment clean dyeing and finishing method for the chemical fiber fabric, desizing is thorough, refining is uniform, a good foundation is laid for dyeing and fixation, and the application prospect is wide.

The present invention relates to the technical field of quartz glass fiber cloth desizing. Disclosed are a high-efficiency desizing device and method for an ultra-low dielectric-loss electronic-grade quartz glass fiber cloth. In the present invention, by means of combining CO2 with a desizing solution, the organic matter on the surface of the quartz glass fiber cloth is pre-degraded; and the organic matter is then rinsed by means of ultrasonic water washing, hydroentanglement, spraying and other methods in sequence, thereby achieving fiber opening, such that the desizing time and desizing temperature can be reduced, thereby reducing the energy consumption and improving the desizing effect. Moreover, for a quartz glass fiber cloth product, the strength loss of a cloth surface can be reduced. Compared with the existing process involving the problem of fibers being hardened by smoldering not being conducive to fiber-opening in the subsequent FN process, the fiber opening is achieved during the desizing process in the present invention, thereby solving the problem.

This invention discloses a continuous desizing device for printing and dyeing, comprising: a desizing tank, wherein multiple reversing rollers and drive rollers for driving the printed and dyed fabric are rotatably arranged in the middle of the desizing tank to form a wavy structure with a horizontal bottom on the printed and dyed fabric; and an extrusion assembly disposed inside the desizing tank, located in the middle of the horizontal bottom of the printed and dyed fabric, so that the extrusion assembly intermittently extrudes the printed and dyed fabric to accelerate desizing. This invention uses a comb plate and comb frame to extrude a rubber membrane, thereby removing the desizing agent inside the rubber membrane from the surface of the printed and dyed fabric that has condensed into flocculent desizing agent. This avoids the flocculent desizing agent preventing sufficient contact between the desizing agent and the printed and dyed fabric. Afterwards, when the two rubber membranes separate, the desizing agent inside the desizing tank quickly fills the previous gaps, increasing the speed and effect of the desizing agent penetration into the printed and dyed fabric, thus achieving the goal of improving the desizing efficiency of printed and dyed fabric without the need for ultrasonic devices.

The invention discloses a textile fabric pretreatment process optimization method based on artificial intelligence, and the method comprises the following steps: S1, collecting fabric information, such as fiber proportion, fabric weave structure and the like, and parameters, such as desizing agent type, concentration, pH value, temperature, time and the like, of a textile fabric, and uploading the information to a block chain; s2, inputting the uploaded data into a trained decision tree regression model, quickly predicting the amount of desizing liquid required for achieving a target desizing effect, and desizing by adopting a novel desizing device capable of saving the desizing liquid; s3, in the desizing process, a sensor collects the temperature, concentration, liquid level and other data of desizing liquid in real time and uploads the data to the block chain; and S4, after desizing is completed, adding the complete process data of the desizing process into the block chain for subsequent model training optimization. According to the novel desizing device, the dosage of desizing liquid can be minimized, and the waste phenomenon is reduced.

This application discloses a method for preparing an elastic, abrasion-resistant, cotton-feel fabric, relating to the field of textile fabric technology, including the following steps: Step 1, yarn preparation: 166D / 96F nylon air-textured yarn is used as the warp yarn, and 70D / 51F nylon false-twist textured yarn and bare spandex yarn are used to coat the spandex to obtain the weft yarn; Step 2, warping treatment; Step 3, weaving the greige fabric; Step 4, desizing and washing: A tension-free desizing machine and desizing agent are used, controlling the greige fabric movement speed at 30m / min, and keeping the greige fabric in the tension-free desizing agent for 5-8 minutes with the assistance of the desizing agent, followed by washing and drying; Step 5, pre-setting: A Monfus setting machine is used, controlling the temperature at 200℃, and controlling the stretching of the desized fabric from the tension-free desizing machine to 5-7 inches, with a machine speed of 15m / min, for 1.5 minutes of heat setting to obtain the pre-set fabric; Step 6, dyeing treatment; Step 7, drying treatment; Step 8, waterproof finishing. This application has the effect of improving the elasticity of the obtained elastic and abrasion-resistant cotton-feel fabric while also taking into account its abrasion resistance.