121results about How to "Guarantee the quality of dyeing" patented technology

The active composite dye includes at least one of compound A, at least one of compound B and at least one of compound C, with the compounds A, B and C being shown. The active composite dye is suitable for dyeing cellulose or protein fiber, and has the composition meeting the environmental and ecological requirement of Oeko-Tex Standard 100. The active composite dye has high build-up, good level dyeing property, good color reproduction, high dye uptake and other excellent performance.

The invention provides a jacquard acetic acid filament home textile fabric. Warp is semi-dull polyester filaments with the specification of 50D/72F, and warp density is 200 pieces per inch. Weft is 75 D acetic acid filaments, and weft density is 96.5 pieces per inch. The structure is a large jacquard fabric. The breadth of the finished product is 160 cm. A production method of the fabric includes the steps that firstly, weaving is conducted, wherein weaving is conducted through warping by means of a warping machine, sizing by means of a filament sizing machine, re-beaming by means of a combining machine, leasing by means of a leasing machine, drafting and weaving by means of a rapier jacquard loom; secondly, dyeing is conducted, wherein dyeing is conducted through unwinding, desizing, dyeing, dewatering, scotching and setting. The fabric is flat, fine, smooth in cloth surface, soft in hand feeling, light, thin, cool, easy to wash, quick to dry, high in color fastness, good in air permeability, gentle and elegant. Reagents of the fabric successfully meet the requirement for comfort and cool of home textile summer quilt fabric of people, and the fabric has high addition value and wide market prospects and is remarkable in economic and social benefit.

The invention discloses an application of thermophilic Chaetomium cellulose to polishing, dyeing and one-bat technology. The thermophilic Chaetomium cellulose is expressed via Trichoderma reesei or pichia pastoris; the thermophilic Chaetomium cellulose is neutral cellulose having a halophilic function; salt with high concentration has obvious lifting action on activity of neutral cellulose; the optimal action temperature of the neutral cellulose is 57 to 63 DEG C, so polishing temperature and dyeing temperature are the same; during the polishing, even dyeing can be achieved and guaranteed.

The invention discloses a dyeing and finishing processing technique of memory T400 fabric based on a biological based material. The technique sequentially includes: pretreating, dyeing and shaping; the pretreating process sequentially includes: first-time open-width desizing, cold pad-batching and second-time open-width desizing, and a dyeing agent adopted in the dyeing process is composed of a dyeing aid and dye which is disperse dye; the dyeing process utilizes a high-temperature high-pressure liquid flow dyeing machine for dyeing, and the dyeing aid and the disperse dye are started to be injected respectively when temperature of a dyeing vat of the dyeing machine reaches 45 DEG C; the shaping process utilizes shaping treatment liquid to shape fabric greige cloth after being dyed througha shaping machine. By formulating proper pretreating, dyeing and shaping processes, processed fabric is enabled to be free of defects like crepe mark and scratch while dyeing quality is ensured, andthe fabric is endowed with high elasticity, memorability and additional functional function.

The invention discloses a yarn dyeing device for textile production, which comprises a supporting platform, on which a bobbin holder, a yarn feeding mechanism, a dye box, an air-drying box and a take-up roller are respectively arranged, and on the yarn feeding mechanism, there are Waste box, one side of the dye box is provided with a feeding trough, the top surface of the dye box is provided with an outlet slot, the inside of the dye box is provided with a dyeing roller, the dyeing roller is evenly distributed with wire grooves, and the outside of the dye box is provided with a drive motor. The driving motor is connected to the dyeing roller. There is an inlet hose at the bottom of the air-drying box. The lead roller is connected with a take-up motor on one side of the take-up roller. The invention has the advantages of simple structure, flexible connection, multi-strand yarn dyeing at one time, and winding together, high working efficiency, good dyeing effect, and high quality and good performance of the obtained yarn product.

The invention discloses a textile dyeing device capable of saving dyes. The textile dyeing device comprises a box body, a dye box is fixedly connected between two opposite sides of the inner wall of the box body through a supporting plate, the two opposite sides of the inner wall of the box body are fixedly connected with a fixing device through fixing blocks, one side of the top of the supporting plate is fixedly connected with a pressing device, a leaky bucket is fixedly connected between two opposite sides of the inner wall of the box body, the bottom of the leaky bucket communicates with a first dye tube, one end of the first dye tube communicates with a water pump, the outlet end of the water pump is connected with a spray dyeing tube through a second dye tube, the two opposite sides of the inner wall of the box boy are fixedly connected with a pair of cushioning devices, the centers of the cushioning devices are rotatably connected with pressed roller wheels, and a drying device is fixedly connected between the two opposite sides of the inner wall of the box body through a fixing plate. The invention relates to the technical field of textile processing. The textile dyeing device capable of saving the dyes improves the dyeing efficiency, shortens the drying time, saves the dyes, reduces the labor intensity and improves the work efficiency.

The invention provides an unidirectional circulation dyeing process for cheese. The unidirectional circulation dyeing process for the cheese is characterized in that a single circulation mode is adopted by dyeing liquor, and the dyeing liquor is driven to circulate from the interior of the cheese to the exterior of the cheese through the changing of the rotating speed of a main pump in a dyeing vat. According to the unidirectional circulation dyeing process for the cheese, a dyeing pulse technique and a spray technique are adopted to change a circulation mode of the dyeing process as single outflow dyeing, only half or even lower water level of raw materials are soaked by the dyeing liquor, dyeing can be carried out, the bath ratio can be lowered to 1:3, and production water consumption can be reduced greatly.

The invention discloses a high-efficiency fabric dye mixer. The mixer comprises a base. Support legs are symmetrically fixed to the bottom of the base. The top of the base is orderly provided with a controller and a tank from left to right. The top of the tank is orderly provided with a motor case and a heating water tank from left to right. A feeding hopper is fixed to one side of the tank. The bottom of the feeding hopper is communicated with one side of the tank through a pipe. The bottom of the tank is communicated with a discharge pipe. One end of the discharge pipe far away from the tank goes through the base and extends to the lower part of the base. The high-efficiency fabric dye mixer utilizes the heating water tank to preheat water to be stirred, guarantees good mixing of water and dye raw materials and is convenient for dye raw material stirring. Through use of a heating electric wire in the stirring rod, in stirring, the stirring solution is heated so that the dye raw materials and water are fully mixed and dye quality is improved.

A production technique for copper ammonia fiber looped fabrics is characterized in that blended yarns blended by copper ammonia fibers and cotton fibers and/or 100% of copper ammonia yarns are used as weaving yarns, and are woven to obtain grey fabrics, wherein the weaving yarns are refined before the weaving, or the grey fabrics are refined after the weaving; and then the grey fabrics are softened to prepare the copper ammonia fiber looped fabrics. The technique is simple, reliable and convenient to implement; and prepared copper ammonia looped products have the characteristics of freshness, amenity, health, comfort, humidity absorption, breathability, natural color, soft texture, good skin friendliness and the like.

The invention discloses a turntable type frozen section staining device and belongs to the technical field of staining devices. The turntable type frozen section staining device is technically characterized by comprising a machine body, wherein at least one set of staining unit is arranged on the upper end face of the machine body; each staining unit mainly comprises a turntable module, a lifting clamping mechanism arranged on the side edge of the turntable module and a flushing tank arranged on the side edge of the lifting clamping mechanism; each turntable module mainly comprises a turntable, and a sample injection cylinder, a sample discharging cylinder and a plurality of staining cylinders which are uniformly distributed on the turntable along the circumferential direction; each lifting clamping mechanism mainly comprises a lifting support arranged on the machine body, a first lifting sliding block arranged on the lifting support, a lifting driving mechanism connected with the first lifting sliding block, a rotating mechanism arranged on the first sliding block, a cylinder arranged on the rotating mechanism and a clamp which is connected with the cylinder and is used for clamping a slide. The invention aims at providing the turntable type frozen section staining device which is compact in structure, low in manufacturing cost and high in working efficiency and is used for staining a frozen section.

The invention relates to a cloth dyeing machine comprising a cylinder body, a cloth storage trough arranged in the cylinder body, a cloth lifting device, a nozzle, a cloth layout pipe and a water collecting device; one end of the cloth layout pipe is in communication with one end of the cloth storage trough; the cloth layout pipe is bent and is arranged in a V shape with an upward opening, the bent part of the cloth layout pipe is arranged to be a circular arc, and the section of the cloth layout pipe is arranged to be polygonal; and the nozzle comprises a seat body and a nozzle core, the seatbody is coaxially fixed with the cloth layout pipe, a placing channel for placing the nozzle core is formed inside the seat body, the side wall of the seat body is in communication with a liquid inlet pipe, an annular groove in communication with the liquid inlet pipe and the placing channel is formed along the circumference in the seat body, and a plurality of rotation preventing plates I are uniformly arranged along the circumference in the annular groove. The cloth dyeing machine has the effects of reducing cloth damage and guaranteeing the quality of the cloth by reducing overturning andtwisting probability in a cloth conveying process.

The invention relates to a dyeing machine, in particular to a dyeing machine with a squeezing device. The dyeing machine comprises a dyeing machine body, a circulation pump and a sewage drainage outlet and further comprises the squeezing device installed on the dyeing machine body. The squeezing device comprises a driving motor, a pushing-out mechanism, a driving roller and a driven roller. The driving motor is connected with the driving roller through a belt. The driven roller is connected with the pushing-out mechanism. The pushing-out mechanism is fixed to the dyeing machine body. Compared with a traditional dyeing machine, the dyeing machine has a squeezing function, the water consumption can be reduced by 50%, water resources are saved, cleaning efficiency is improved, and dyeing cost is reduced.

The invention relates to a pretreatment method for dyeing of nylon skein. According to the technical problem, the provided method has the characteristics of safety, reliability, good effect, simpleness in operation, energy saving and environment protection and comprises the following steps of: (1) spreading the nylon skein out on a working platform in a skein balancing chamber with a constant-temperature and constant-humidity system, wherein the spread thickness is less than 5cm; (2) closing a door of the skein balancing chamber to seal the skein balancing chamber, heating and humidifying till the temperature is 18-45 DEG C and the relative humidity is 60-90% wherein the heating rate is less than 1.0 DEG C/min; then keeping the temperature and the humidity constant for 20-50min; (3) cooling to room temperature and keeping for 15-25min, wherein the cooling rate is controlled to be less than 1.0 DEG C/min; and (4) opening the door of the skein balancing chamber, circulating indoor and outdoor air for at least 10min to ensure that the surface of the nylon skein is contracted and dried, and finally packaging and delivering the finished products.

The invention provides a main cylinder dyeing liquor evenly-distributing device of a high-temperature and high-pressure cone dyeing machine. According to the main cylinder dyeing liquor evenly-distributing device, the evenness of dyeing liquor in a main cylinder below a dyeing liquor evenly-distributing type dyeing structure can be guaranteed, then the dyeing evenness is guaranteed, and the dyeing quality is guaranteed. The main cylinder dyeing liquor evenly-distributing device comprises the main cylinder at the bottom of a cheese cage, the cheese cage and a cheese cage center pipe, and the cheese cage is located above the main cylinder located at the bottom of the cheese cage. The main cylinder dyeing liquor evenly-distributing device is characterized in that a stirring device is installed in the center of the bottom of the main cylinder at the bottom of the cheese cage, a center shaft of the stirring device is parallel to the center line of the cheese cage center pipe, blades of the stirring device perform the circumference rotation movement along the center shaft of the stirring device, and a motor is externally connected with the center shaft of the stirring device.

The embodiment of the invention discloses a multi-layer multi-time continuous rolling ageing dyeing mechanism and a multi-layer multi-time continuous rolling ageing dyeing method, which are used for solving the technical problem that the liquid carrying amount of rolled cloth is too high in the existing rolling mode for cloth dyeing. The dyeing mechanism comprises a rolling device and a cloth guide wheel device. The rolling device at least comprises a first roller, a second roller and a third roller; the cloth guide wheel device at least comprises a first cloth guide wheel, a second cloth guide wheel, a third cloth guide wheel, a fourth cloth guide wheel, a fifth cloth guide wheel and a sixth cloth guide wheel; the moving track of the cloth is an irregular involute-shaped track; a cloth feeding device is located at the starting end of the involute-shaped track. A finished product collecting device is arranged at the tail end of the involute-shaped track, rolling points between the rollers are distributed on the involute-shaped track at intervals, the cloth guide wheels are distributed on the involute-shaped track at intervals, and the moving tracks of the cloth passing through a first heating device multiple times are arranged at intervals and are in a stacked shape.

The invention relates to dyeing liquor and a dyeing method for reducing indigo blue through indirect electrochemistry of a single solute. The dyeing liquor takes water as a solvent and is prepared from the following raw materials at concentrations: strong base at 0.01 to 0.1 mol/L, an electron transfer promoter at 0.001 to 0.1 mol/L and an indigo blue dye at 0.01 to 0.1 mol/L. The dyeing method comprises the following steps: firstly, completely reducing the dyeing liquor in an electrolytic tank, then transferring the dyeing liquor into a dyeing tank, dyeing yarn, pumping part of oxidized dyeing liquor back into the electrolytic tank in the dyeing process, then reducing the dyeing liquor, pumping the reduced dyeing liquor into the dyeing tank to dye the yarn, continuously performing the dyeing, and pumping back the oxidized part of the dyeing liquor for reducing and reuse. The dyeing liquor has the beneficial effects that dioxyanthraquinone is used as the electron transfer promoter, sothat the electrochemical reducing rate is effectively increased, and the current efficiency is improved; after the electron transfer promoter is added, the indigo blue can be reduced in the alkaline solution at a relatively low concentration, so that the chemical consumption is reduced, and the production cost is greatly reduced.

A detection and control system of dyeing liquid composition used on dyeing machine comprises addition unit of dyeing liquid composition, on - line detection unit of reducing agent and pH value for dyeing liquid, sampling pump and computer. It is featured as using potentiometric titration to detect reducing agent concentration in dyeing liquid and pH value of dyeing liquid on - line with set time, comparing obtained value with set value and controlling addition unit to add dyeing liquid according to compared result to keep dyeing liquid composition to be the same as set value for ensuring quality of dyeing.

The invention discloses a low-energy consumption dyeing method. A circulation operation mode is adopted in a main pump in a dyeing vat, a period in cycle operation comprises a main pump operation period and a main pump stopping period, and the duration of the main pump operation period is 1.5-3.5 times that of the main pump stopping period. According to the low-energy consumption dyeing method, a main pump is adjusted so that the main pump can be in cycle operation, a continuous high-speed operation mode of a main pump of a traditional dyeing technology is broken through, compared with the traditional dyeing technology, 40 percent to 65 percent of energy of the main pump can be saved, operation is simple and convenient, and the low-energy consumption dyeing method meets the technology and production requirements.