105results about How to "Lower liquor ratio" patented technology

The invention provides a novel gas-fog dyeing machine, which comprises a main cylinder body, a high pressure blower and a nozzle atomization system; an outlet at one end of the high pressure blower is communicated with a high pressure air inlet of the nozzle atomization system; two ends of the nozzle atomization system are a textile inlet and a textile outlet which are respectively communicated with the main cylinder body; a dye solution cutting nozzle, an energy converting nozzle and a cloth lifting roller are arranged in the nozzle atomization system; the dye solution cutting nozzle has an annular narrow slit shape; the axial section of the energy converting nozzle consists of three sections, namely a straight pipe section, a taper section and a gradual expansion section; and an inlet at the other end of the high pressure blower is communicated with an air filter screen in the main cylinder body. The special nozzle atomization system of the invention can well atomize the dye solution; and the dyeing machine adopts gas-fog flow for dyeing, cancels circulating dye solution dragging of textile and uses airflow to drag the textile to operate, thereby greatly reducing the bath ratio, saving the energy, reducing the pollution, and promoting the environmental protection.

The invention relates to a high temperature high pressure bulking dyeing method which comprises dyeing and after treatment. By adoption of the dyeing method of the invention, fibers or textile fabrics like aramid fibers, polysulfonamide fibers, polyphenylene sulfides, polybenzimidazole, poly-p-phenylene benzobisoxazole fibers, phenol formaldehyde resins, fibrilia and so on which have high crystallinity and high orientation degree or high glass transformation temperature can be dyed, and fibers after dyeing have the advantages of evenness, bright colors, high dyefastness, improvement of light fastness and little impact on physical properties.

The invention discloses an ultralow bath-ratio yarn dyeing machine with a three-level vane pump, comprising a dye vat, a yarn stand and a vane pump, wherein the bottom of the yarn stand is a yarn stand disk; the yarn stand disk is provided with a hole communicated with a dye liquor input channel in the dye vat; the vane pump is arranged below the whole dye vat and is a three-level vane pump; a shaft of the three-level vane pump is connected with an internal motor shaft coaxially; the dye vat is connected with the inlet of the three-level vane pump; the three-level vane pump comprises an axial flow level, a centrifugal level and a fixed guide vane level; the axial flow level and the centrifugal level are connected with the motor in sequence through the same transmission shaft; dye liquor flows into the axial flow level through an in-flow channel; the dye liquor flowing out of the axial flow level directly enters the inlet of the centrifugal level; and the dye liquor flowing out of the centrifugal level enters an out-flow channel after passing through the fixed guide vane level. During work, the dye liquor in the dye vat does not exceed the yarn stand disk all the time and the bath ratio is lower than 1:3. The ultralow bath-ratio yarn dyeing machine can achieve required lift when the dye liquor in the yarn dyeing machine is lower than a spindle, so as to realize the low bath ratio of the yarn dyeing machine as well as the purpose of saving energy and reducing emission.

The invention discloses a dyeing and finishing process of polylactic acid fiber shuttle looms fabric, belonging to the pre-processing, dying and after-finishing process technical field of textiles. The process is carried out according to the following process steps: A. pre-processing procedure: shuttle looms grey fabric is added in an overflow dyeing machine, and then 2-8g / L sodium carbonate or 4-15g / L sodium bicarbonate, 1-2g / L penetrating agent JFC, 1-5.5g / L hydrogen peroxide and 1-2g / L hydrogen peroxide stabilizer are successively added, the temperature is risen to 90 DEG C and the processing is carried out for 30min; B. dyeing procedure: prepared disperse dye and additives are successively added, the temperature is risen to 95-105 DEG C or 110-120 DEG C at the rising rate of 1-2 DEG C / min, and the cooling is carried out after the thermal insulation; C. after-finishing procedure: 7-15g / L hydrophilic amino silicone fabric finishing agent and antistatic agent are added for the low temperature setting, and the setting temperature is 100-130 DEG C. The dyeing and finishing process of the polylactic acid fiber shuttle looms fabric has the advantages of reasonable process design and convenient operation and can reduce the using amount of the additives and the environmental pollution effectively.

The invention discloses a creel device of a yarn dyeing machine with an ultra-low bath ratio, which comprises a sand table, a suspender and a yarn rod, wherein the upper surface of the sand table is in a disk shape; the lower end of the sand table is in a cavity structure; the yarn rod is in a hollow barrel structure; a water drum is arranged in the barrel of the yarn rod and is in a hollow or solid columnar structure; the center line of the yarn rod and the center line of the water drum are same; the ratio of the hollow internal diameter of the yarn rod and the external diameter of the waterdrum is 10:7-9; and the barrel of the yarn rod is evenly provided with a plurality of water outlets along the circumference of horizontal cross sections of different heights. The hollow barrel of theyarn rod disclosed by the invention is provided with the water drum, which is favorable for reducing the volume of dye liquor in the yarn rod and for reducing a water bath ratio; under the same main pump power, the water drum is favorable for improving the practical lift of a pipeline relatively, the flow rate of the dye liquor in the yarn rod is improved, the levelling property of cheeses of upper layers and lower layers can be better guaranteed, and the one-time success rate for dyeing is improved; and from the bottom to the top, the water outlets on the barrel of the yarn rod at the outer side of the water drum are thicker at the higher place of the yarn rod, which is favorable for realizing the purpose of even dye transfer.

The invention relates to a high temperature and high pressure air flow dyeing machine, in which the high pressure air flow is utilized for the dyeing of textiles after the dyeing atomization, which comprises a cylinder, a lifting wheel, and a feed cylinder and is characterized in that the cylinder is in a horizontal arrangement and internally provided with a dye vat. The upper wall of the cylinder corresponded to both ends of the dye vat is provided with two openings. The inside of one opening is provided with a cloth placing mechanism, and the upper part of the other opening is provided with a wheel shell communicated with the position between two openings through pipelines. The lifting wheel is disposed inside the wheel shell. The inside of the pipeline between the wheel shell and the cloth placing mechanism is provided with a nozzle and a spray head. The outside of the cylinder is provided with a heat exchanger, a feed pump and a fan. The lower part of the cylinder is provided with a backflow mechanism. The heat exchanger is provided with an inlet and an outlet. The outlet thereof is connected to a nozzle through the pipelines, and the inlet thereof is communicated with the feed cylinder, which is communicated to the bottom cavity of the cylinder through the feed pump, the backflow mechanism and the pipelines. The air outlet of the fan is linked with the spray head, and the air inlet of the fan is communicated to the cylinder through an air filter. With the adoption of such a dyeing machine to dye textiles, the production costs can be reduced.

The invention discloses an ultralow liquor ratio zipper dyeing machine and dyeing process thereof. The dyeing machine comprises a tube cylinder, a cylinder cover and a zipper warp beam plate frame embedded into the tube cylinder. The zipper warp beam plate frame comprises a zipper plate seat, a hollow water drum, a zipper woven belt, a zipper tube sleeve, a locking bolt, and a zipper frame lifting ring. The lower end of the hollow water drum is fastened on the zipper plate seat, the zipper tube sleeve is sleeved on the outer side of the hollow water drum, and a diversion inlet and a diversion outlet are arranged below the zipper plate seat and connected with an infusion pump through a horn-shaped pipe sleeve. The dyeing process comprises the stages of scouring and bleaching, dyeing and water scrubbing. According to the ultralow liquor ratio zipper dyeing machine and the dyeing process thereof, a lift range required by zipper woven belt dyeing water level can be achieved when the height of dye liquor in the dyeing machine is lower than the zipper plate seat, the effect of ultralow liquor ratio zipper dyeing is achieved, the dyeing machine has a lower dying liquor ratio than a traditional zipper dying machine, and the purposes of saving electric energy, steam and the dye liquor, shortening dyeing and finishing periods, and saving energy and reducing emission are achieved.

The invention relates to super cotton-like cashmere double-side fabric. The super cotton-like cashmere double-side fabric is characterized by being made of supercool / cotton blended yarn, cotton / cashmerino blended yarn, and mercerized gassed woolen yarn. The super cotton-like cashmere double-side fabric is in double-side weave; warps are made of 7.3tex Supercool / cotton blended yarn; and accordingly the whole cover of the fabric reveals no warp but weft, the weft front side of the fabric is made of 18.2tex mercerized gassed woolen yarn, and the weft reverse side is made of 18.2tex cotton / cashmerino blended yarn. Super cotton-like fiber is high in strength, wear-resistant, highly breathable, antistatic, wrinkle-resistant, and as warm as cashmerino. With perfect combination of wefts and warps by the special double-side weave, the fabric looks and feels different on two sides.

The invention relates to a dyeing and processing technique for polylactic acid fiber woven fabric, belonging to the technical field of dyeing of textiles. Pure PLA fiber woven fabric or PLA fiber / cotton mixed woven fabric completing preprocessing and dyeing liquor are put into an overflow dyeing machine, temperature rises to 70 DEG C plus or minus 5 DEG C and then rises to 85-95 DEG C at a rate of 1-2 DEG C / min, the temperature is maintained for 5-10 minutes; if the fiber woven fabric is dyed in medium and light colors, then the temperature keeps rising to 95-105 DEG C at a rate of 1-2 DEG C / min, the temperature is maintained for 30-45min; if the fiber woven fabric is dyed in dark colors, the temperature rises to 110-120 DEG C at a rate of 1-2 DEG C / min, the temperature is maintained for 45-60min and then lowered to 60-70 DEG C for soaping; at the temperature of 40 DEG C plus or minus 5 DEG C, reactive dyes and sodium sulphate are continued to be added to PLA fiber / cotton mixed woven fabric, then the temperature is maintained, afterwards, calcined soda is added when the temperature rises to 60 DEG C at a rate of 1-2 DEG C / min, the temperature is lowered for washing after being maintained for 30 plus or minus 5min. The technique features reasonable design, simple and convenient operation and can effectively reduce dosage of addition agent and environmental pollution.

The invention discloses a single yarn dyeing process and system. The system comprises an unwinding mechanism, a guide roller mechanism, a wetting mechanism, a spray dyeing mechanism, a drying mechanism and a winding and rewinding mechanism. Dyeing steps comprise procedures of yarn rewinding and unwinding, yarn humidity adjusting, yarn dyeing, drying, yarn rewinding and forming, and the like, wherein in a dyeing process, a temperature control high-frequency atomization dyeing process is adopted, dyeing effects of more efficiency and more stable chromaticity can be achieved by adjusting atomization chamber temperature and atomization chamber humidity during dyeing, and a dyeing effect of more evenness can be achieved by adjusting yarn humidity before dyeing. By adopting the dyeing process and system, the dyeing course is simple, dyeing permeation is even, the course is continuous, the operation is simple, the yield is high, water consumption and sewage drainage are less, energy consumption is low, loss is less, and economic benefit can be greatly improved.

The invention relates to a grafting treatment apparatus and a grafting treatment method for a battery diaphragm material. The grafting treatment apparatus for the battery diaphragm material comprises a battery diaphragm material unreeling device, a corona processor or normal temperature plasma processor, a photoinitiator dipping device, a photoinitiator drying device, an ultraviolet irradiation device, a grafting reaction device including an allyl monomer solution dipping and coating unit, an ultraviolet irradiation grafting device, a washing device, a drying device, a battery diaphragm material rolling device and a guiding device. The grafting treatment method for the battery diaphragm material using the grafting treatment apparatus comprises the following steps: allowing a reeled battery diaphragm material to pass through the corona processor or normal temperature plasma processor in an unfolding state for pretreatment; allowing the battery diaphragm material to pass through a photoinitiator solution and successively carrying out drying and ultraviolet irradiation; dipping and coating the battery diaphragm material with an oxygen-free allyl monomer solution for grafting treatment; subjecting the battery diaphragm material containing allyl monomers to ultraviolet radiation grafting in an oxygen-free state; and finally carrying out washing and drying.

The invention provides a dyeing machine, and relates to a textile fabric dyeing machine. The dyeing machine comprises a tank, a circulating pump and a dye liquor box. A large nozzle, a cloth guide pipe and a cloth lifting wheel are arranged in the tank. The dyeing machine is characterized in that a roller is rotationally arranged in the cloth guide pipe, an annular rack is arranged on the roller, an opening matched with the annular rack is formed in the cloth guide pipe, a motor is arranged outside the tank, a gear matched with the annular rack is arranged in the tank, the motor is in transmission connection with the gear, and a plurality of tidily-arranged protrusions are arranged in the roller. Compared with the prior art, textile fabric in the dyeing machine can be automatically turned over, the contact area of the textile fabric and dye liquor is increased, the textile fabric is fully soaked in the dye liquor, dyeing efficiency is improved, meanwhile, the bath ratio is reduced, and drainage of waste water is reduced.

A production process and production equipment for pure cotton fabric with white space effect. The production process includes pretreatment, lye padding, dye paste scraping, stack cooling and fixation, and floating color washing. The dye paste scraping step refers to scraping a reactive dye paste on the back of pure cotton fabric subjected to lye padding. The stack cooling and fixation step refers to rolling up the pure cotton fabric scraped with the reactive dye paste; in the rolling process, isolating membranes are introduced to separate each layer of the cotton fabric, so that the reactive dye paste on the back of the pure cotton fabric to gradually diffuses, permeates, adsorbs to a right side, and finally reacts into bonds to fix the color. As the reactive dye is in a paste shape, diffusivity and permeability of the dye are limited to a certain extent that only part of the dye can reach the right side of the pure cotton fabric; in addition, the pure cotton fabric has bump woven texture; therefore, uniform and natural white space effect is formed on the right side.

The invention discloses a high temperature high pressure dyeing machine. The machine comprises a dye vat body, a main pump, a filter, a plasticizing cylinder and a cloth discharging rack, wherein the front end and the rear end of the dye vat body are provided with a hand hole and an operating hole respectively; the upper part of the dye vat body is provided with a heat exchanger; pipelines at two ends of the heat exchanger are provided with the main pump and a temperature measurer respectively; a main pump motor is arranged on one side of the main pump, and a filter is arranged on the other side of the main pump and is connected with the plasticizing cylinder; the cloth discharging rack is arranged above the position of the operating hole; and the two sides of the rack body of the cloth discharging rack are provided with a cloth lifting motor and a cloth discharging motor respectively. The invention has the advantages that: the machine has completer functions and is easy to assemble and maintain by arranging all structures in turn; the heat exchanger, the filter and mechanisms such as the cloth lifting mechanism, the cloth discharging mechanism and the like of the machine are stably and sequentially arranged and flexibly work; meanwhile, position connection relation between parts is simplified; thus, the production efficiency is improved to a certain extent, and certain cost is saved; and compared with the same type of machine, the dyeing machine has the advantages of large capacity, low bath ratio and the like.

The invention discloses a high-temperature pulse flow yarn dyeing machine with an ultra low bath ratio and a control method thereof. The yarn dyeing machine comprises a dye vat, a creel, a heat exchange coiler, an adaptive water level monitoring device, a variable frequency motor, a three-level vane pump with an ultra low bath ratio and a dyeing computer. The method comprises the following steps: a time pulse generator in the dyeing computer gives out pulse flow data to a variable frequency motor controller to control the revolving rate of the variable frequency motor according to the set technological process; the variable frequency motor drives the three-level vane pump with an ultra low bath ratio to output dyeing flow in pulse flow type fluctuation; the output dyeing flow carries out adaptive adjustment according to an ideal reference model in the dyeing computer; the adaptive water level monitoring device gives out water-level reference identification information; and according to the information, a water level regulator and the variable frequency motor controller respectively regulate the water level and the variable frequency motor to reach the water level and the pulse flow required by the set technological process. The pulse flow dyeing technology in the invention conforms to the requirement of the minimum consumption of four factors, namely, water, energy, accessory ingredient and time for economical dyeing of ecological environment protection.

The invention discloses a slight mercerization dyeing process. The slight mercerization dyeing process includes the treatment steps of singeing, wherein slight mercerization fabric to be treated passes through a flame opening of an open-width singeing frame to remove fluff on the surface of the slight mercerization fabric to be treated; alkali shrinkage, wherein the slight mercerization fabric obtained after singeing treatment is tiled in a cold pad-batch dyeing machine to conduct alkali shrinkage treatment; open-width scouring, wherein the slight mercerization fabric obtained after alkali shrinkage treatment is tiled in an open-width scouring machine, steam is used for conducting scouring and bleaching and cleaning treatment on the slight mercerization fabric; cold dyeing, wherein the slight mercerization fabric obtained after open-width scouring treatment is tiled in the cold pad-batch dyeing machine to conduct cold dyeing treatment, and fixation is conducted under room temperature; cleaning and drying, wherein the slight mercerization fabric obtained after cold dyeing and fixation in the step 4 is tiled in an open-width pickling machine, pickling, neutralizing, high-temperature soaping and cold water cleaning are conducted in sequence, and the fabric is dried. Compared with the prior art, the dyeing process has the advantages of being simple, low in water consumption and good in dyeing effect.

The invention discloses an overflow dyeing machine which comprises a main machine body (201); a cloth storage tank (203) is arranged in the main machine body (201); a liquid diverter pipe (202) is arranged above the cloth storage tank (203), with one end connected with a spray nozzle (210) and the other end communicated with a liquid storage tank (209) through a circulating pipe (213); a material dissolving cylinder (218) is communicated with the circulating pipe (213) through a material dissolving pipe (216); a cloth lifting wheel (204) is arranged outside the main machine body (201); a cloth swinging bucket (207) is arranged below the spray nozzle (210); a piece of cloth (232) to be dyed passes through the spray nozzle (210) and the cloth swinging bucket (207) and then enters the cloth storage tank (203), and moves circularly under the action of the cloth lifting wheel (204) to be dyed; a circulating pump (214) is arranged on the circulating pipe (213); a dry powder feeding device (217) is arranged on the material dissolving pipe (216) and is connected in parallel with the material dissolving cylinder (218) on the material dissolving pipe (216). The overflow dyeing machine speeds up the feeding of dyestuff and auxiliaries, shortens the dying process, improves the drying quality and reduces the bath ratio.

The invention provides a yarn dyeing method, and belongs to the technical field of textile related equipment. The technical problems that for an existing dyeing method, the dyeing efficiency is low, and dyeing is inconvenient are solved. The yarn dyeing method comprises the steps of 1, yarn preparation and inspection, wherein the yarn quality is inspected before yarn dyeing is conducted, and it is required that the appearance of yarns is clean and free of stain, the yarns are neutral, the stacking time must not be over 8 h, and the yarns are covered with wet cloth; 2, feeding, wherein yarns are put into a dye vat and arranged on a yarn dyeing rod; 3, dye preparation, wherein anthraquinone vat dye is prepared in a dye barrel, 5 g-6 g of caustic soda and 5-6 g of rongalite are added according to each part by mass of raw material with an anthraquinone type structure, water is injected to obtain a solution, and 0.2 g / L-0.5 g / L of bone glue retarding agent is added; 4, dye injection and dyeing, wherein the prepared dye is injected into the dye vat; 5, yarn taking-out. The yarn dyeing method has the advantages of being high in dyeing efficiency and uniform in dyeing, and the yarns subjected to dyeing is fluffy and full in hand feeling.

The invention relates to a dyeing machine for atomizing dyestuff. The dyeing machine makes use of high-pressure airflow to atomize dye liquor for fabric dyeing, and comprises a cylinder body, a lift reel and a feed cylinder. The dyeing machine is characterized in that the cylinder body is horizontally arranged and the inside of the cylinder body is provided with a dye vat; the upper wall of the cylinder body corresponding to both ends of the dye vat is provided with two openings; the inside of one opening is provided with a cloth arrangement mechanism, and a wheel hull is arranged above the other opening; the wheel hull is communicated with the two openings below the wheel hull through pipes; the lift reel is positioned inside the wheel hull; the inside of a pipe between the wheel hull and the cloth arrangement mechanism is provided with a nozzle and a spray head; a heat exchanger, a feed pump and a fan are arranged outside the cylinder body; and a reflux mechanism is arranged under the cylinder body.

The invention provides a cold pad batch processing method of cotton fibers through a pre-treatment dyeing one-bath method. The cold pad batch processing method is characterized by comprising: padding raw cotton loose fibers into impregnation liquid; after padding, stacking at a room temperature for 8h to 20h; washing with hot water at 70 DEG C to 80 DEG C and soaping; washing with cold water and drying, wherein the impregnation liquid contains 10g / L to 80g / L of an active dyestuff, 3g / L to 5g / L of a pre-treatment auxiliary agent, 30g / L to 100g / L of a co-solvent, 5g / L to 18g / L of an alkali agent and 20g / L to 50g / of sodium sulfate, and the alkali agent is one or a compound of more of sodium silicate, sodium carbonate, sodium phosphate and sodium hydroxide. A cold pad batch treatment process provided by the invention is carried out at a room temperature, a formula is simple and the operation is convenient; raw cotton does not need to be independently pre-treated; the auxiliary agent is added and pre-treatment and dyeing can be carried out in one bath, so that the cost is reduced; damage to the fibers is small and the hand feeling is good; the utilization rate of the dyestuff is high, less sewage is discharged, and energy saving and emission reduction are realized.

The invention relates to a linked vat dyeing method, and belongs to the technical field of textile printing and dyeing. The linked vat dyeing method comprises the following steps that cheeses are placed into a main dye vat and a slave dye vat respectively, and an air pressure balance valve and a coupling valve are turned on; a dye solution is pumped into the main dye vat, a first dye solution main pump of the main dye vat is started, a second dye solution main pump of the slave dye vat is stopped, the dye solution is made to enter the slave dye vat through a first liquid flow pipeline, is leaked from the interior of a beam of the cheese of the slave dye vat to the exteriors of the cheese, enters a vat body of the slave dye vat and flows back to the main dye vat through the coupling valve, and dyeing is performed while the steps are executed repeatedly; after the preset time is up, the second dye solution main pump of the slave dye vat is started, the first dye solution main pump of the main dye vat is stopped, and circulated dyeing is performed according to the mode. According to the method, the first dye solution main pump and the second dye solution main pump are started alternately, and the cheese inside the slave dye vat and the cheese inside the main dye vat are dyed alternately. The dye solution utilization rate is increased, the dye bath ratio and energy consumption are lowered, and large production benefits are generated.

The invention provides a yarn dyeing device, belongs to the technical field of equipment related to spinning, and solves the technical problems that an existing yarn dyeing device is low in efficiency, inconvenient to use, and the like. The yarn dyeing device comprises a frame, a dyeing barrel, an air compressor, a liquid preparing barrel and a filter, wherein the dyeing barrel is arranged on the frame, and the air compressor is communicated with a cavity in the dyeing barrel; the upper end of the dyeing barrel is provided with an openable barrel cover; the upper end of the liquid preparing barrel is provided with an opening, and the lower end of the liquid preparing barrel is connected with a first liquid pipe communicating the liquid preparing barrel and the dyeing barrel; the filter is respectively provided with an inlet and an outlet, the lower end of the dyeing barrel is connected with a second liquid pipe connected with the inlet of the filter, and the outlet of the filter is connected with a third liquid pipe communicating the filter and the liquid preparing barrel; the dyeing barrel is provided with a first liquid level meter capable of displaying the liquid level in the dyeing barrel; the liquid preparing barrel is provided with a second liquid level meter capable of displaying the liquid level in the liquid preparing barrel. By the dyeing device, efficiency is increased, and energy conservation and environment protection are achieved.

The invention discloses a bobbin yarn middle sample dyeing machine which comprises a machine body, dyeing cups and a water tank. A dyeing cylinder is arranged in the middle of the machine body. A plurality of cup bases are arranged inside the dyeing cylinder. A creel is arranged inside each cup base through one dyeing cup. Pieces of angle iron are arranged on the side face of the dyeing cylinder. A fixing column is connected to each piece of angle iron in a welded mode. A dyeing cylinder fixing support and a sealing telescopic pipe are sleeved on each fixing column. A plurality of rows of creel fixing plates are arranged below the dyeing cylinder fixing supports. Two guiding sleeves are arranged on the outer side of the dyeing cylinder. A double-shaft-extension motor is arranged below the dyeing cylinder. The two shaft ends of the double-shaft-extension motor are respectively provided with an eccentric wheel. The eccentric wheels and a connecting rod are connected through screws. The connecting rod is connected with a guiding column connecting plate. Two guiding columns are symmetrically arranged on the guiding column connecting plate. The guiding columns penetrate through the guiding sleeves and are connected with the dyeing cylinder fixing supports. A plurality of feeding barrels are arranged above the dyeing cylinder. The bobbin yarn middle sample dyeing machine is compact and reasonable in structure, small in bath ratio, easy and convenient to operate and high in automation degree, the product quality can be improved, the production efficiency is greatly improved, and the bobbin yarn middle sample dyeing machine is applicable to bobbin yarn dyeing.

The invention discloses a terylene grey fabric pretreating device, belonging to the technical field of dyeing machinery. The terylene grey fabric pretreating device sequentially comprises a fabric feed device, an alkali tank, a padder and a fabric discharge device, wherein the fabric feed device comprises a fabric tightener, high-position fabric guide rolls, a centering device and fabric guide rolls; the fabric tightener is installed at the front end of a front beam, and the tension of the fabric tightener is regulated by a regulating lever; the high-position fabric guide rolls are positioned at the back end of the cross beam, the cross beam is connected with the top end of a column, and the centering device is installed at the middle part of the column; the bottom of the alkali tank is provided with a plurality of immersion rolls, and the fabric guide rolls corresponding to the immersion rolls are installed above the alkali tank; the back part of the alkali tank is provided with the padder, and the padder comprises upper rolls and lower rolls; the back surface of the padder is provided with tension swing rolls for regulating the tension of the fabric; the fabric discharge device comprises a swing arm, a fabric roller and a cylinder; one end of the swing arm is hinged on the frame, and the other end of the swing arm is provided with the fabric roller; the cylinder body is hinged on the frame; and the top end of a piston rod of the cylinder is hinged below the middle part of the swing arm.

The invention provides a cloth dyeing machine with symmetrical double spiral cloth grooves. A machine body is provided with a cloth feeding hole, and the two spiral cloth grooves are formed in parallel in the machine body and correspondingly arranged on the two sides of the cloth feeding hole. The cloth dyeing machine is provided with cloth guide pipes, spiral-body cloth sliding plates and a receiving groove; the two cloth guide pipes are close to the adjacent sides, face the front and are opposite right and left and symmetrical, after the spiral-body cloth sliding plates are connected with the cloth guide pipes respectively, cloth moves spirally from up to bottom in the opposite direction, and the cloth is soaked and dyed in the spiral cloth grooves in cycle; the two spiral cloth groovesare opposite and symmetrically arranged in the machine body in parallel, the cloth accommodating space is expanded, the dyed cloth quality and the production efficiency are improved, the low bath ratio can be reached, and energy is saved.

The invention discloses an energy-saving dyeing machine and relates to an electromagnetic heating dyeing machine. The energy-saving dyeing machine comprises a cylinder body, a circulation pump and a dyeing liquid box. A large nozzle, a cloth guiding pipe and a cloth lifting wheel are arranged in the cylinder body. A groove is formed in the bottom of the cylinder body and formed under the large nozzle. The groove comprises a round iron side wall and a base plate which is made of ceramic materials. The side wall is wrapped by heat preservation materials, and an electromagnetic coil is arranged on the heat preservation materials in a surrounding mode. The electromagnetic coil is connected with a heating controller, and the bottom of the groove is provided with a first dyeing liquid pipe connected with the circulation pump. The circulation pump is provided with a second dyeing liquid pipe connected with the large nozzle, and the dyeing liquid box is provided with a conveying pipe matched with the groove. Compared with the prior art, an electromagnetic heating manner is used for replacing a previous heat exchanger heating manner, the user amount of water and electricity can be greatly reduced, energy is greatly saved, production cost is reduced, and meanwhile due to the fact that the use amount of water is reduced, and discharging amount of waste water is reduced.

The invention relates to a dyeing method for a steaple reyon fabric in an airflow cylinder with a low bath ratio. The dyeing method comprises the following steps: putting water into a dyeing cylinderof an airflow cylinder, putting the steaple reyon fabric in the dyeing cylinder, moving to completely soak cloth surfaces, and heating to 58-60 DEG C by controlling temperature increase speeds; feeding 10-20wt% of water back into a secondary cylinder, dissolving a one-bath deoiling agent and a permetant into the secondary cylinder, and sucking into the dyeing cylinder of the airflow cylinder to carry aids on clothe surfaces uniformly; feeding 10-20wt% of water back into the secondary cylinder, pulping and clarifying with active dyes and dispersants in the secondary cylinder, quantitatively pumping into the dyeing cylinder, enabling the airflow cylinder to operate continuously, and after complete pumping, enabling the airflow cylinder to operate continuously to soak the steaple reyon fabricinto the active dyes uniformly; feeding 10-20wt% of water back into the secondary cylinder for three times from the dyeing cylinder, adding anhydrous sodium sulfate and sodium carbonate at differenttimes, pulping and clarifying, sucking into the dyeing cylinder, keeping the temperature at 58-60 DEG C to operate so as to ensure uniform dyeing of the active dyes; cutting cloth, comparing colors, cleaning the cloth surfaces with clean water, and carrying out dyeing and shaping in aftertreatment. By adopting the dyeing method, the problems that a steaple reyon fabric has nonuniform dyeing, mixedcolors, long process time, excessive sewage and the like in an airflow cylinder with a low bath ratio can be solved.

The invention discloses a novel drum type scouting machine. The novel drum type scouting machine is mainly used for the pre-treatment of the textile industry. A round drum is arranged in a main cylinder body, a main circulation pump, a heat exchanger, a filter and the like are arranged at the outside, and a main scouting solution circulation loop is formed through connecting with the main cylinder body through a pipeline. The scouting solution performs forced circulating flow in the loop through the main circulation pump, the processed textile is placed in the drum, a transmission system of the equipment drives the drum to rotate to rotate the textile, and relative movement with high speed is generated between the rotating textile and flowing scouting solution. The novel drum type scouting machine has advantages of large cloth capacity, small bath ratio, water saving, energy saving, high automatic degree, convenience in operation and good technological reproducibility.

The invention discloses an ultra-low bath ratio yarn dyeing machine water-squeezing device and a squeezing method thereof. The water-squeezing device comprises a pneumatic rotating cylinder, a driving shaft, a swinging arm, a connecting rod, a semilunar valve plate, a sleeve valve ring, a compressed air water-squeezing valve and an accumulated water discharging valve. During water squeezing, the sleeve valve ring rotates to use the semilunar valve plate to block the sucking water inlet of a three-stage impeller pump and block the communication between the sucking water inlet and a main cylinder, dyeing liquid in the main cylinder and air cannot enter the three-stage impeller pump through the sucking water inlet to form a breaking state, a computer controls to add compressed air to the main cylinder, the accumulated water discharging valve is opened, a compressed air passage can only communicate with the main cylinder of a dyeing machine through a yarn disc dyeing liquid reflow inlet, and when the water inlet of the three-stage impeller pump blocks the sleeve valve ring, the dyeing liquid reflow inlet and the main cylinder are separated by a spindle, the compressed air can only be exhausted by the accumulated water discharging valve from the yarn disc dyeing liquid reflow inlet after passing through the spindle, and water is removed. The ultra-low bath ratio yarn dyeing machine water-squeezing device is simple in structure, the water using amount of the dyeing machine is not increased, the dyeing time can be shortened, and the dyeing efficiency is improved.

The invention provides a dyeing device for a cotton fiber. The dyeing device comprises an unwinding unit, a circulating mesh belt unit, a spraying unit, a roll compacting unit and a feeding unit; theroll compacting unit comprises a plurality of padder equipment arranged in sequence; the circulating mesh belt unit comprises an upper circulating mesh belt and a lower circulating mesh belt which respectively form independent closed loops; the lower circulating mesh belt is connected with the unwinding unit, and the upper circulating mesh belt is connected with the first padder equipment of the roll compacting unit; and the spraying unit is located in front of the first padder equipment of the roll compacting unit and is located above the lower circulating mesh belt. The invention provides adyeing method of the cotton fiber, and the dyeing method comprises the steps: preparing a cotton fiber layer from raw cotton fibers; horizontally conveying the cotton fiber layer by a guide belt, spraying a dye liquor firstly, and then, carrying out roll compacting many times in the conveying process to obtain a dyed cotton fiber layer. If the dyeing device provided by the application is adopted for dyeing the cotton fiber, the cotton fiber can be uniformly dyed, the usage amount of the dye liquor is small, the dyeing effect is good, and the work efficiency is high.