45 results about "Textile dyeing" patented technology

The invention belongs to the field of plastic product production, and particularly relates to a composite material for preparing a textile dyeing tube. The composite material mainly comprises the following components in parts by weight: 10 parts of PET resin, 10 parts of ASA resin, 1-6 parts of matt master batches, 1-3 parts of titanium dioxide, 1-2 parts of rosin, 0-1.5 parts of an antioxidant, 0-1 part of a fire retardant and 1-2 parts of a lubricating agent, wherein titanium dioxide is rutile titanium dioxide. Compared with the prior art, the components are good in compatibility; the molded product has excellent physical and mechanical properties, low glossiness, high strength (caused by titanium dioxide) and good tenacity, and is suitable for injection molding of plastic products; the metallic luster caused by titanium dioxide can be reduced; the noise can be reduced; titanium dioxide can be used for disinfecting under irradiation of an ultraviolet lamp; the composite material is very convenient; and the lubricating agent is added, so that the surface is relatively smooth.

The utility model relates to textile dyeing equipment technical field, concretely relates to a kind of for yarn dyeing's quick penetration dye liquor conveying structure, including charging tank, the one end of charging tank is equipped with conveying pipeline, and the other end of conveying pipeline is equipped with dye vat;Supporting assembly, supporting assembly is installed in the side of conveying pipeline, and supporting assembly is used to support conveying pipeline;Clamping assembly, clamping assembly is installed in the inside of supporting assembly, and clamping assembly is used to clamp conveying pipeline.Compared with prior art, the adjustable supporting assembly and clamping assembly of the present application simplify the installation and disassembly process, improve flexibility and adaptability, avoid the cumbersome operation of traditional bolt fixing mode, and at the same time, the stability and reliability of pipe fixing are enhanced by spring clamping setting.

This invention relates to the technical field of mixing equipment, and in particular to a color mixing and tinting device for dyeing textiles in light industry. The device includes a color mixing chamber and a feed pipe. A discharge pipe and a discharge valve are installed at the bottom of the color mixing chamber. The feed pipe is inserted into the color mixing chamber through the top of the chamber. A first opening is provided on the side wall of the feed pipe inside the color mixing chamber, and the bottom of the feed pipe is sealed. A rotating ring is provided inside the color mixing chamber, and multiple separating rods are arranged in a ring at the bottom of the rotating ring. This device can achieve multi-form agitation and mixing of the paint, effectively improving the functionality of the equipment, increasing the uniformity of paint mixing, and thus improving the color mixing quality and accuracy.

This invention relates to the field of textile dyeing and finishing technology, specifically to a dispersing and leveling agent and its application in the dyeing and finishing of high-proportion spandex blended fabrics. The dispersing and leveling agent comprises the following components by mass percentage: 50%–56% polyethylene glycol fatty acid ester, 6%–12% low-foaming EO / PO block polyether, 5%–8% branched isomeric alcohol polyoxyethylene ether, 5%–8% polyol fatty acid ester, 1%–4% low molecular weight sodium polyacrylate, and the balance being deionized water. The dispersing and leveling agent prepared by this invention not only significantly improves the dispersion stability of dyes but also effectively enhances the lubrication and protection of spandex fibers, thereby effectively suppressing defects such as color spots and patches caused by fiber stress release during the dyeing process. It is particularly suitable for polyester-spandex blended fabrics with a spandex content as high as 25%–40%.

This invention discloses a wastewater treatment device for textile dyeing, belonging to the technical field of wastewater treatment devices. It includes a wastewater tank, with a treatment chamber fixedly installed on the right side of the wastewater tank and connected to it. A discharge pipe is fixedly installed at the bottom of the treatment chamber, and an electromagnetic valve is fixedly installed on the discharge pipe. Vertical installation slots are provided on the inner walls of both the front and rear ends of the wastewater tank. A filter screen is installed inside the wastewater tank, with a handle fixedly installed at the top of the filter screen. Trapezoidal strips are fixedly installed at both the front and rear ends of the filter screen, and each set of trapezoidal strips is slidably connected to the corresponding installation slot. Installation plates are longitudinally fixedly installed on both sides of the installation slots at the top of the wastewater tank, and cleaning mechanisms are installed on the installation plates. This invention solves the technical problems of existing textile dyeing wastewater, such as easy clogging of subsequent treatment units by flocculent matter, poor reagent addition and mixing effects, and the need for frequent shutdowns for disassembly and cleaning of the pretreatment screen.

The application discloses a treatment method of high-concentration printing and dyeing wastewater, which comprises the following steps: uniformly mixing a reaction catalyst with the high-concentration printing and dyeing wastewater, then transferring to a hydrothermal reaction kettle (PTFE lining) to react, and obtaining a transparent aqueous solution and black precipitate at the bottom after the reaction is completed. It is detected that the removal rate of the dye is greater than 99% and the removal rate of the colority is greater than 95% after the hydrothermal reaction. The obtained clear brine solution after the hydrothermal reaction can be returned to preparation of dye liquor or used as a washing solution in a washing process in a textile dyeing and finishing process, and the obtained black solid is a dye-derived carbon material, which can be used in multiple fields such as electrochemical energy storage, catalysis and adsorption. The application essentially provides a method for direct treatment and resource utilization of high-concentration and high-salinity printing and dyeing wastewater, which can realize reuse of brine in wastewater and utilize waste heat of the wastewater, and has important significance for resource utilization of textile printing and dyeing industrial wastewater.

The present application belongs to the field of textile dyeing and finishing technology, and particularly relates to a production method of pure cotton imitated hemp fabric, comprising the following processes: spinning, singeing, desizing, mercerizing, super softening, tentering, super softening, and preshrinking, wherein the spinning process uses 40% pre-spinning recycled cotton and 60% fine cotton to blend, and cotton imitated hemp slub yarn is spun, because the recycled cotton fiber is shorter, the slub length is shorter than the conventional slub, the slub is naturally uniform, and is closer to the appearance of hemp, the fabric has the hand feeling and appearance of hemp, and the wearing comfort is improved by combining the weave, specification design, and finishing process.

The application relates to the technical field of textile dyeing and finishing, and particularly discloses a foam nickel loaded nitrogen-doped carbon nanotube / Mn-Zn-P alloy composite material, a preparation method and application thereof. The preparation method is as follows: a calcium carbonate / Ni-Fe alloy layer is prepared on the surface of foam nickel; then, an organic alcohol amine and an alkyne substance are used as a nitrogen source and a carbon source to pre-deposit a nitrogen-containing carbon layer, and subsequently, N2-NH3 and N2-ethylene mixed gas is sequentially introduced to carry out stage-by-stage chemical vapor deposition, so that a Ni / nitrogen-doped carbon nanotube array is obtained; finally, Mn-Zn-P alloy particles are loaded through constant-current electrodeposition. The composite material prepared by the application has high conductivity, excellent corrosion resistance and cycle stability, and provides an ideal electrode material for electrocatalytic hydrogenation reduction, and can be directly used as an indigo reduction electrocatalytic electrode, so that the application has wide industrial application prospects in the field of blue jean dyeing.

This invention discloses a green and efficient bioreduction method for quinone-structured natural compounds used in textile dyeing. This method utilizes biosensor-regulated electrode microbial communities of *Shewanella putrefactiveis* and *Saccharomyces cerevisiae* as whole-cell biocatalytic reduction staining conditions. It constructs an electron transport system centered on cable bacteria and redox factors, and a dispersed staining system of quinone-structured natural compounds acting as electron acceptors. This provides a green and efficient bioreduction method for quinone-structured natural compounds used in textile dyeing. Electrons generated by biosensor-regulated electrode microbial communities are directly transferred between microbial species to cable bacteria and redox factors, and then efficiently transferred to highly dispersed natural compounds acting as electron acceptors, resulting in novel structures with dyeing properties.

The utility model discloses a textile dyeing and finishing device convenient to multistage processing relates to dyeing and finishing device technical field, it is designed to solve the current dip dyeing device inconveniently adjusts dip dyeing interval according to color demand, and the technical problem of poor operability, including box, assembly shell, adjusting mechanism and press frame mechanism, the upper end opening both sides of box are rotated and are installed with import roller and export roller respectively through the pivot, the both sides of box all are set up with the assembly mouth, the assembly shell is installed in the assembly mouth, the top seat is rotated and is installed in assembly shell through the pivot, the adjusting mechanism is installed in the top seat downside, the press frame mechanism is installed in the base downside of adjusting mechanism, the inside bottom end of box is equally distributed with the baffle, the inside bottom end of box is array distribution with the mixing disc, the front end face downside of box is equally installed with the drainage port, the utility model discloses have according to the color requirement, make the fabric import corresponding dip dyeing interval, and the advantage that operability is strong.

This invention relates to the field of textile dyeing and processing technology, and particularly to an extrusion-type vortex dyeing machine for yarn processing. It includes a first housing, with a second housing connected to one side of the first housing. A first dyeing unit for primary dyeing of the spun yarn is installed within the first housing. Several sets of extrusion units are arranged at equal intervals along a horizontal direction within the second housing. A second dyeing unit is located directly below the junction of adjacent sets of extrusion units. This invention allows the pigment in the dye to be repeatedly dehydrated and adhered to the yarn fibers. Furthermore, when encountering uneven dyeing problems, it utilizes multiple contacts with the dye and extrusion to ensure uniform dyeing on the yarn surface. This not only ensures the color saturation of the yarn even when dealing with deep and concentrated dyeing requirements such as jet black and navy blue, but also avoids uneven dyeing, thereby improving the dyeing effect.

The application relates to the technical field of advanced oxidation wastewater treatment, in particular to a supported Br-MnO2 catalyst and a preparation method and application thereof. The application modifies the electronic structure of MnO2 by Br doping, and combines a foamed nickel (NF) carrier and a thermoplastic polyurethane (TPU) binder to construct a supported composite catalyst which is stable in structure and rich in active sites. In the process of activating peroxymonosulfate (PMS) to degrade organic pollutants in printing and dyeing wastewater, the catalyst exhibits excellent catalytic performance and cycle stability. The prepared catalyst has simple process and controllable cost, and the effluent quality of the printing and dyeing wastewater treated by the catalyst can completely meet the reuse standard of the textile dyeing process, and there is no significant difference between the effluent and industrial water in key indexes such as color difference and K / S value, so the catalyst has a wide industrial application prospect.

The present application relates to the field of advanced oxidation wastewater treatment technology, and particularly relates to a supported Ru-gamma-MnO2 catalyst and a preparation method and application thereof. The present application uses foamed nickel as a substrate, and through a thermoplastic polyurethane binder, an active component of Ru-doped gamma-MnO2 is loaded on the surface of the substrate to construct a supported composite catalyst with high catalytic activity and stability. In the process of activating peroxymonosulfate (PMS) to degrade organic pollutants in dyeing and printing wastewater, the catalyst exhibits excellent catalytic activity and stability. The catalyst preparation process is simple, and the cost is low. The effluent quality after treatment can meet the reuse requirements of textile dyeing process, and there is no significant difference in key indicators such as color difference and K / S value compared with industrial water, so the catalyst has a broad industrial application prospect.

A textile washing and softening machine and a textile dyeing and printing line are disclosed. The textile washing and softening machine includes: a washing device, a softening device, and a fabric conveying component; multiple fabric conveying components are respectively disposed in the washing device and the softening device, and are used to sequentially convey the textile fabric to the washing device and the softening device; a processing container is disposed on one side of the washing device; the processing container has multiple sequentially arranged processing tanks along the conveying direction of the textile fabric, with adjacent processing tanks connected to each other, and the input end of a return pipe connected to the processing tank located at the end of the arrangement; the output end of the return pipe is connected to the processing tank located at the beginning of the arrangement; each processing tank is equipped with a fabric conveying component and contains softening liquid; a return pump is disposed in the return pipe. This solution solves the problem of inconsistent softening liquid concentrations in different processing tanks due to the washing liquid from the washing device mixing with the softening liquid in a certain processing tank, effectively avoiding serious differences between different batches of textile fabric.

The application discloses an organic-inorganic hybrid formaldehyde-free fixing agent and a preparation method and application thereof, and belongs to the technical field of textile auxiliaries. The fixing agent is prepared by using dimethyl diallyl ammonium chloride and methacryloyloxyethyl trimethyl ammonium chloride as reaction monomers, N-vinyl pyrrolidone as an organic modifier, and trisodium phosphate and bismuth nitrate as inorganic modifiers, and the organic-inorganic hybrid crosslinking structure is formed through a polymerization reaction. The preparation method comprises the following steps: pre-complexing bismuth nitrate and citric acid, pre-activating a silane coupling agent, mixing the components, and then performing stage pH regulation, ultrasonic-assisted dispersion, high-temperature curing and other steps. The fixing agent is prepared by means of coordination crosslinking of an organic polymer chain and bismuth ions and covalent connection of a silane coupling agent, so that a double network structure is formed, the wet rubbing fastness and the soaping fastness are significantly improved, the fabric is endowed with antibacterial and ultraviolet resistance functions, the hydrophilicity and the hand feeling are improved, and the fixing agent does not contain formaldehyde, and can be widely applied to post-treatment of textile dyeing.

This utility model relates to the field of textile dyeing technology and discloses a textile dyeing rack, including a base plate, a dyeing box fixedly installed on the top of the base plate, a quadrilateral frame on the top of the inner cavity of the dyeing box, and an adjustment component for extending the residence time of the fabric in the dyeing box inside the quadrilateral frame; two upright plates are symmetrically installed on the outside of the dyeing box, and guide grooves are provided inside the upright plates. This utility model allows the adjustment component to be raised from inside the dyeing box via a lifting component. The raised adjustment component makes it easier for workers to observe the position of the first roller and the fabric, thus facilitating the loading and unloading of the fabric to be dyed. The adjustment component effectively extends the residence time of the fabric inside the dyeing box, allowing the fabric to fully contact the dye, which improves dyeing efficiency and dyeing effect.

This invention discloses a dyeing process for antibacterial polyester fabric, belonging to the field of textile dyeing and finishing technology. The process first pre-shapes the polyester fabric using a hot air setting machine, then prepares a dyeing working solution containing disperse dyes, dispersing and leveling agents, and reactive antibacterial finishing agents. The fabric is then placed in a high-temperature, high-pressure dyeing machine for simultaneous dyeing and antibacterial treatment. By controlling the pH value of the dye solution, the heating rate, and the heat preservation parameters, the dye and antibacterial components are simultaneously dyed and fixed. After dyeing, the fabric undergoes sequential washing, reduction cleaning, neutralization, and cationic color fixing treatments. Finally, it is dried in sections and stretched for setting, resulting in the antibacterial polyester fabric. This invention integrates the dyeing process with antibacterial finishing, improving the compatibility of dyes and antibacterial agents, enhancing the fabric's antibacterial durability and color fastness, and is compatible with conventional textile dyeing and finishing equipment. It allows for wastewater recycling, combining high production efficiency and environmental friendliness, and is suitable for industrial-scale mass production.

This utility model relates to the technical field of textile processing equipment and discloses a textile dyeing solution storage tank, including a tank body. A scraping mechanism is installed inside the tank body to scrape the inner wall of the tank. A temperature-regulating mechanism is installed on the outer side of the tank body to maintain a constant temperature. The scraping mechanism includes a first bevel gear located at the top of the tank body. Mounting plates are fixedly connected to the left and right sides of the top of the tank body. A rotating rod is rotatably connected to the center of the mounting plate. Second bevel gears are fixedly connected to adjacent sides of the two rotating rods. The first and second bevel gears mesh with each other. In this utility model, a starting motor drives the rotating rod to rotate, which in turn drives the rotating rod to rotate via the bevel gear set. A connecting rope pulls the scraper ring upwards and stretches the spring. When the motor reverses, the spring rebounds, causing the scraper ring to move downwards.

The present application relates to the technical field of textile dyeing and finishing, in particular to a slack continuous scouring and bleaching process and equipment with multi-temperature zone immersion, which comprises slack water immersion pre-shrinking and anti-crease and scouring and bleaching; slack water immersion pre-shrinking and anti-crease: the fabric is put into a slack water immersion pre-shrinking device and immersed in an aqueous solution containing a penetrating agent; the fabric is uniformly shrunk in the aqueous solution; the uniformly shrunk fabric enters an anti-crease device and is washed by a treatment liquid; scouring and bleaching: gradual temperature rising immersion and boiling from low temperature to high temperature; the scouring and bleaching includes low-temperature scouring and bleaching, medium-temperature scouring and bleaching and high-temperature scouring and bleaching. The quality and stability of the scouring and bleaching are good, the fabric surface crease and fold and rubbing hair phenomena are overcome; the impurity removal efficiency is high, the whole scouring and bleaching process is slack processing, the quality problems caused by large stretching degree in the "rolling-steam process" continuous scouring and bleaching method are overcome, and higher fabric density (gram weight) and optimal size stability can be obtained.

The utility model relates to the field of textile dyeing and finishing technology, and specifically provides a kind of tow continuous dyeing production line, including the storage mechanism that is sequentially arranged along the transport direction of tow, dyeing mechanism, color fixing mechanism, washing mechanism, softening mechanism, drying mechanism, cooling mechanism, stacking mechanism;The dyeing mechanism uses a dyeing pool;The color fixing mechanism uses multiple color fixing boxes, and first transmission mechanism is simultaneously provided in multiple color fixing boxes inside;The washing mechanism uses multiple processing pools;The drying mechanism uses multiple drying boxes, and cooling mechanism uses multiple cooling boxes, and second transmission mechanism is simultaneously provided in multiple drying boxes inside and multiple cooling boxes inside;The utility model innovatively proposes tow continuous dyeing production line, from storage to stacking without artificial intervention breakpoint, rely on the cross-box synchronous drive of transmission belt, reduce the failure downtime, with significant industrial application value can realize the breakthrough of full-process continuous.

The utility model relates to textile drying equipment for textile dyeing, which comprises a working table, a drying mechanism is arranged on the working table, a moisture absorption mechanism is arranged on the drying mechanism, the drying mechanism comprises a through hole, the through hole is arranged on the working table, a metal net is arranged on the inner wall of the through hole, and a moisture absorption mechanism is arranged on the moisture absorption mechanism. A box body is fixedly installed at the bottom end of the workbench, an air heater is fixedly installed at the bottom end of the box body, a fan cover is fixedly installed at the air inlet pipe end of the air heater, and a frame body is fixedly installed on the workbench. According to the textile drying device, the drying mechanism is arranged, the textile is dried in a closed environment, the drying efficiency is improved, the moisture absorption mechanism is arranged and used for absorbing and filtering moisture, and therefore the drying efficiency of the textile is improved.

The present application belongs to the field of textile intelligent manufacturing and dyeing and weaving process optimization, and particularly relates to a kind of textile dyeing weaving process intelligent design method and system based on Agent.The method constructs knowledge base containing mechanism model, process template, constraint and quality association information, forms feature input by fusing order and grey cloth, equipment capacity, historical batch and image / video quality data, generates candidate process scheme by using Agent multi-stage reasoning, and obtains executable process that can be directly issued by constraint checking and linkage repair through device window and timing sequence;At the same time, the quality backtracking evidence chain and version iteration mechanism are introduced, and the abnormal attribution, grey verification and rollback update are realized.Compared with the prior art, the present application can improve the process design efficiency, reduce the trial and error and quality fluctuation risk, and improve the adaptation ability to new materials and new equipment.

This utility model discloses a short-process textile dyeing device, comprising: a dyeing box with an upward-facing dyeing cavity, wherein several rotating rollers are rotatably connected within the dyeing cavity; and two adjusting devices, each including a fixing rod fixed to the outer wall of the dyeing box. The fixing rod has a sliding groove, within which an upper sliding block and a lower sliding block are installed. The upper and lower ends of the sliding groove have upper and lower threaded holes, respectively, into which an upper screw and a lower screw are threadedly connected. An upper compression spring is provided between the upper screw and the upper sliding block, and a lower compression spring is provided between the lower screw and the lower sliding block. An upper scraper is fixed between the two upper sliding blocks, and a lower scraper is fixed between the two lower sliding blocks. When the upper and lower compression springs are compressed, the upper and lower scrapers can tightly contact the upper and lower sides of the textile, effectively scraping off loose threads and other debris. This device is suitable for textiles of different thicknesses.

This invention discloses a color matching and continuous dyeing method based on multi-source plant dyes, belonging to the field of natural textile dyeing technology. The invention includes pretreatment of natural fabric; extraction of pigments from six natural plants to prepare dye solutions; mixing iron mordant and aluminum mordant in a specific ratio to prepare a composite mordant solution; immersing the pretreated fabric in a single-color dye solution or a color-matching dye solution composed of two or more single dye solutions for dyeing; drying the dyed fabric; spraying the surface of the dried fabric with the composite mordant solution; steaming the sprayed fabric for color fixing; soaping the fixed fabric to remove excess dye; and drying the soaped fabric to obtain the dyed finished product. This invention, by constructing a color matching system based on six natural plant dyes, combining a continuous dyeing process, and employing composite mordant technology, can achieve diversified color matching and improve the bonding strength between dyes and fabric fibers.

This invention relates to the field of textile dyeing and finishing technology, and discloses an acidic reduction cleaning process for polyester and its blended fabrics after dyeing. In this acidic reduction cleaning process, after disperse dyeing, the residual dyeing liquor is retained without drainage. Acetic acid is directly added to adjust the pH of the system to 4.0-6.0, followed by the addition of an acidic reduction cleaning agent. The process is then carried out in situ reduction cleaning at 80-95℃ for 20-30 minutes. Subsequently, the process is completed with sodium carbonate neutralization soaping and two water rinses. Compared to traditional alkaline reduction cleaning, this invention avoids yellowing caused by a high-temperature alkaline environment, significantly improving color fastness and appearance stability. Simultaneously, it eliminates the need for initial water change, reducing the post-dyeing cleaning from 6 tanks to 4 tanks, saving 4481L of water and 50 minutes per batch, and significantly reducing the total nitrogen content of wastewater (≤5mg / L), achieving a synergistic optimization of high efficiency, energy saving, and environmental protection.

This utility model relates to the field of textile dyeing and soaking technology, and in particular to a textile dyeing and soaking device, including a dyeing box, a fixed plate at the bottom of the dyeing box, a cylinder on the fixed plate, a connecting frame on the cylinder rod, a box cover on the connecting frame, a pipe at the lower end of the dyeing box, a color-fixing pipe and a cleaning pipe at the right end of the dyeing box, a stabilizing bar on the box cover, a damping anti-slip layer and a retaining ring on the stabilizing bar, a welding frame on the retaining ring, a screw hole on the welding frame, a ferrule threaded into the screw hole, a locking stud on the locking stud, an anti-loosening head and a stud cap, and a locking groove on the stud cap, and a fabric roller at the top of the dyeing box, the fabric roller having a roller sleeve hole and a locking groove. To prevent the fabric roller from easily tipping over in the dyeing box, the fabric roller can be vertically guided and stably removed from the stabilizing bar for easy removal, ensuring the stability of the fabric roller's locking and anti-loosening connection.

The application discloses an AI vision textile dyeing defect intelligent detection method and system, and relates to the technical field of textile quality detection. The method comprises the following specific steps: multi-modal image acquisition: deploying a multi-angle industrial camera array and a multi-spectral light source containing white light, blue light and near-infrared light at a production line detection station, dynamically matching the acquisition frame rate and the light source brightness through a synchronous control component, and synchronously collecting to form a multi-modal original image set; the application is designed by combining a double-feature separation network and a mutual exclusion attention mechanism, the geometric morphological features of wrinkles and the color and texture features of dyeing defects are respectively deeply mined, the mutual exclusion attention mechanism effectively shields the interference channels between the two types of features by generating a special mask weight matrix, the feature separation is realized, the system can accurately distinguish wrinkles from dyeing defects, and the risk of misjudgment is significantly reduced.

This invention discloses a color-changing printed fabric dyeing process, belonging to the field of functional textile dyeing technology. The process includes dye preparation: cyanuric chloride and a hindered amine stabilizer are sequentially added to a mixed solvent at 0-5℃, condensing to obtain a monosubstituted intermediate; subsequently, the temperature is raised to 35-40℃, an amino-side-chain spiroxazine derivative is added, and the pH value is adjusted; the dye is obtained by salting out and drying. Pigment preparation: Dye, urea, anti-dye salt, alkali, and paste are mixed with water in a specific ratio and stirred at high speed to remove bubbles. Printing and color fixing: The pigment is applied to cotton fabric, pre-dried at approximately 100℃, and steamed at 100-104℃ / 100% humidity for 8-12 minutes to covalently bond the dye to the fiber. Post-treatment: Cold washing and high-temperature soaping at 90-98℃ remove excess dye; finally, the fabric is washed and dried. This invention fundamentally solves the problem of poor adhesion of photochromic materials to the fabric surface, significantly enhancing the wash resistance and rubbing fastness of the finished fabric, ensuring that the fabric is not prone to fading over long-term use.