242results about "Liquid/gas/vapor treatment of definite length materials" patented technology

The invention provides a high-grade flax fabric weaving method based on crystallized and modified flax yarns. The method comprises the following steps: in the material preparing stage, woven flax spun yarns are subjected to relaxation and winding, so as to form relaxed yarns on cones; the relaxed yarns on cones are subjected to crystallization and modification treatment; the crystallized and modified relaxed yarns on cones are simultaneously subjected to winding, electronic yarn clearing and waxing, so that weaving yarns on cones are obtained; the weaving yarns on cones are subjected to warping according to the quantity of warp yarns; in the weaving stage, flax grey cloth is woven by taking the weaving yarns on cones as weft yarns, the warp yarns after warping as warp yarns, and drawing weft and warp yarns in an air jet loom; in the dyeing stage, the woven flax grey cloth is subjected to hot dyeing or cold dyeing; in the after finishing stage, the dyed flax grey cloth is rinsed, dried, finalized, preshrunk, wound and packaged to form the high-grade flax fabric. According to the high-grade flax fabric weaving method, the bottleneck of wearability of traditional flax fabric is solved, the flax fabric is enabled to obtain the sense of cotton, the production efficiency is improved, the production cost is reduced, and the energy conservation and emission reduction in the production process are realized.

The invention relates to a supercritical carbon dioxide cheese dyeing kettle and a waterless supercritical carbon dioxide cheese dyeing method. In the dyeing kettle, when carbon dioxide fluid enters a distribution tray from an inlet, blades start rotating clockwise under the effect of pressure; inserted drill rods are driven to rotate by a rotation part; and the rotating speed of the inserted drill rods is increased along with the increase of pressure in a cylinder body. When a cheese is dyed, the cheese on the inserted drill rods is dyed at a speed of 0.2-0.5 r/s. When the rotating cheese is dyed, the cheese is subjected to the pressure of the fluid flowing out from a central shaft; the rotation and bicirculation of the cheese dyeing are realized; the uniform dyeing effect of the dyed cheese can be improved; and the migration ability and the diffusibility can be improved.

The invention provides an automatic yarn grabbing machine and an automatic yarn grabbing method. The automatic yarn grabbing machine of the invention comprises a yarn grabbing unit comprising a clamping mechanism used for grabbing cheese and a rotary lifting mechanism used for driving the clamping mechanism to rotate and lift; and a planar moving mechanism used for driving the yarn grabbing unit to move on a horizontal plane. The automatic yarn grabbing machine of the invention mainly has the following advantages: yarns are grabbed in an automatic manner, so as to fill the blank in a bobbin dyeing procedure, improve efficiency and greatly save labor cost.

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.

A yarn roll spindle locking assembly including a pivotally translating engagement/release mechanism. The locking assembly may be dropped onto a spindle to self-actuatingly lock in position and is readily removable from the spindle by manual depression of a release element. The locking assembly includes upper and lower body members coupled to one another so that the upper main body member and lower main body member are resiliantly biased apart from one another to provide the locking assembly with compression/expansion capability.

The invention discloses a loose fiber dyeing machine, which contains a cylinder. The cylinder is provided with a fiber cage and a central spray pipe from in to out. A heating coil is arranged below the cage bottom. The bottom of the cylinder is provided with a motor and an impeller and one side of the cylinder is provided with a preplasticator cylinder; the preplasticator cylinder is communicated with the inner cavity of the cylinder. The invention is characterized that the cylinder bottom is provided with a central hole, and a guide cylinder is arranged below the central hole. The upper end of the guide cylinder is communicated with the inner cavity of the cylinder; a guide flow cylinder is arranged in the guide cylinder; the side wall is provided with a through hole, and a transverse short cylinder is connected to the outside of the through hole. The opening of the transverse short cylinder is provided with a seal cover. The guide flow cylinder is a bend cylinder, with the upper end subsequently inserted into the cylinder and the central spray pipe, and the lower end arranged in the transverse short cylinder and some distance away from the seal cover, so as to communicate the guide cylinder and the guide flow cylinder. The impeller is positioned in a transverse section of the guide flow cylinder, with a wheel shaft extending out of the seal cover and connected with an output shaft of the motor. The loose fiber dyeing machine can reduce the manufacturing cost, extend the service life of the motor, and is applicable in dyeing of all loose fiber.

The invention relates to a supercritical carbon dioxide hairball dyeing kettle which comprises a cylinder body and a hairball dyeing barrel body fixed in the cylinder body, wherein a movable sealing cover is fixed at the upper end of the cylinder body, and the lower end of the cylinder body is provided with a carbon dioxide liquid outlet; a carbon dioxide liquid inlet is arranged at the upper part of the cylinder body; a heating clamping sleeve is fixed outside the cylinder body; a heating medium outlet is arranged at the upper end of one side of the heating clamping sleeve, and a heating medium inlet is arranged at the lower end of the other side of the heating clamping sleeve; the supercritical carbon dioxide hairball dyeing kettle is characterized in that a hole III is formed in the wall of the hairball dyeing barrel body; a central pipe is fixed to the centre of the hairball dyeing barrel body, and at least one upper limiting cover is fixed to the central pipe; the central pipe has a multi-pore shaft structure; a hole I is formed in a supporting plate at the bottom of the barrel body; a central hole Ia is corresponding to an internal chamber of the central pipe; and a hole II is formed in the upper limiting cover. According to the supercritical carbon dioxide hairball dyeing kettle increased, the direct contacting surface area of the a hairball and the dyeing liquid can be increased, and improves the influence due to the gravity in hairball dyeing can be improved, and the dyeing speed and the dye pickup can be improved, as well as the dyeing uniformity is improved.

The invention provides a cheese dyeing method and a cheese dyeing production device. The cheese dyeing method comprises the following steps of yarn return control: yarn return control equipment is adopted to carry out return control on a cheese; yarn cage loading: a yarn loading robot is adopted to load the cheese subjected to return control in a yarn cage; yarn cage transferring: an automatic crown block is adopted to transfer the yarn cage to a pre-dyeing cache region, and then is transferred into a vertical dyeing machine from the pre-dyeing cache region; dyeing: the vertical dyeing machine is adopted to dye the cheese subjected to return control; automatic dye weighing; dissolving and dispatching; liquid additive accurate metering and conveying; automatic powder salt additive weighing and conveying; dewatering: the dyed cheese is dewatered; and drying: a microwave drying machine is adopted to dry the dewatered cheese. In the technical scheme, various automatic devices are adopted to improve the automatic dyeing level of the cheese.

The invention relates to the field of bulk fiber dyeing, in particular to a cold-pad batch dyeing process for bulk fibers, which comprises the steps of: (1) bulk fiber web formation: forming a uniform fiber layer with bulk fibers by an automatic bale plucker and a web forming machine; (2) padding: controlling a bleaching mangle expression to be 100-120 percent and a dyeing mangle expression to be 120-140 percent, only adding a refining agent and a bleaching agent for pretreatment into an immersion solution tank during bleaching, and adding dyes, a penetrant and an alkaline agent into the immersion solution tank during dyeing; (3) stacking after uniform padding and rolling: performing stacking on a cold-pad batch unit after the fiber layer is rolled so as to complete bleaching or dyeing; and (4): washing and drying: making the fibers treated by a washing machine and a soaping tank after dying and then treated by a drying machine. The cold-pad batch dyeing process has the advantages of little pollution and low energy consumption.

The invention relates to a loose fiber cold pad-batch dyeing machine which sequentially comprises an automatic bale plucker, a lapper, an immersion liquid tank with an automatic dosing system, an evenness calender, a coiling machine I, a cold pad-batch unit, an uncoiling machine I, a washing machine, a water calender, a coiling machine II, an uncoiling machine II, a drying machine and a packaging machine; in a bale storage box of the lapper, a centrifugal fan is arranged below a foot nail roller and communicated with the foot nail roller through a circulating air flue; a high-speed circulating spray pipe is mounted at the bottom of the immersion liquid tank; and a spray head on the high-speed circulating spray pipe is directly opposite to a fiber layer above the spray head. The machine provided by the invention has the advantages of high production efficiency, uniform dyeing, low water, electricity and energy consumption and low production cost.

The invention provides a dry spinning method for spinning flax short fiber into high count yarn, comprising the following steps: step 1, original flax fiber is combed to enable flax short fiber to fall down, and then the flax short fiber is used as the raw material for dry spinning; step 3, crystallized and modified flax short fiber obtained in the step 1 is subjected to flax assorting, and the crystallized and modified flax short fiber is spun into flax rough yarn through 3-4 times of gilling, combing, slivering, drawing and roving procedures; step 4, the flax rough yarn is dry-spun into high quality and high count flax fine yarn by a dry spinning frame; the drying spinning method is characterized in that a step 2 is carried out between the first step and the third step; and step 2, the flax short fiber is subjected to crystallization and modification treatment. The dry spinning method has the advantages that the dry spinning method can be used for spinning flax short fiber into 50 metric count according to the fiber proportion which is adopted by the traditional dry spinning method used for spinning flax short fiber into 36 metric count flax yarn, and the technological and process innovation that low-quality flax short fiber can be spun into high quality and high count flax yarn is realized; and the caustic soda and glacial acetic acid treatment adopted in the traditional dry spinning method is replaced by the crystallization and modification treatment, so that no exhaust gas and liquid waste are generated in the whole technological process.

The invention relates to resiliency yarn cone dyeing technique. It includes the following working procedures: loose type coning; pre-processing; dyeing; post processing; dehydrating; drying. Its feature is that it practices once or two times preshrinking forming before loose type coning procedure. This can prevent out layer yarn from covering the inner layer. Compared with the current technique, the invention is simple, economic, and stable; and it can make dye fully permeate into inner, middle, and outer layers yarn to ensure no color difference.

The invention provides sarong transportation equipment, which comprises a first beam, a second beam, a mechanical claw, a position detection unit and a control device, wherein the first beam is arranged on a guide rail and can move along the guide rail; the second beam is movably arranged on the first beam and can move along the first beam; the mechanical claw is arranged on the second beam and comprises a telescoping mechanism and a grabbing mechanism connected with the telescoping mechanism; the position detection unit is used for detecting the positions of the first beam and the second beam; and the control device is used for controlling the movements of the first beam, the second beam and the mechanical claw according to the position information detected by the position detection unit. The sarong transportation equipment can automatically transport sarongs through the control device and the mechanical claw, thereby improving the production efficiency and the safety of the dye production and reducing the personnel cost.

The invention provides a yarn-grabbing robot. The yarn-grabbing robot comprises a bracket, an X-axle motion system arranged on the bracket, a Y-axle motion system connected with the X-axle motion system, an A-axle rotary motion system connected with the Y-axle motion system, a Z-axle motion system connected with the A-axle motion system, and a drive system for driving the X-axle motion system, the Y-axle motion system, the Z-axle motion system and the A-axle rotary motion system to move. According to the yarn-grabbing robot, a two-claw manipulator can reciprocate along the X-axle, Y-axle and Z-axle directions and rotate around the Z-axle direction, and yarn grabbing fingers can be controlled flexibly so that the fingers can be in any required postures. The robot has stronger generality on dyeing and finishing production lines, and the yarn plate racks on stations in the dyeing and finishing process do not need to be designed and manufactured by being matched with the yarn grabbing fingers, so that the robot is convenient in maintenance and installation, and requirements of low cost and efficient automatic production in the dyeing and finishing production line are met.

The invention discloses a direct fluorination method for producing surface fluorine-containing fiber, which is characterized by comprising the steps of: firstly winding raw material fiber on a winding drum with through holes uniformly distributed on the wall, putting in two fluorination reactors and heating and enabling fluorine gas mixture to carry out pulse circulation between the two fluorination reactors by utilizing a vacuum accessory system to ensure that the fluorine gas mixture repeatedly penetrates through fiber layers on the winding drum and is forcedly diffused to uniformly fluoridate the fiber wound on the drum. The method disclosed by the invention has the advantages that the batch surface treatment of whole-drum fiber can be realized; the inner/outer layer surface effect uniformity of the treated fiber is good; the fluorination rate is high; the treatment period is short; the consumed fluorine gas amount is little; the production cost is lower; the safety is high; the process is simple and controllable; and wider application prospect is provided.

The invention relates to a multifunctional dehydrator, which comprises a cylinder. A cylinder cover is arranged at an upper opening of the cylinder. The bottom of the cylinder is provided with a center hole, and a spindle is arranged in the center hole. The lower end of the spindle extends out of the bottom of the cylinder, a power mechanism is arranged outside the cylinder, and the lower end of the spindle is connected with an output shaft of the power mechanism through a pulley and a transmission belt. A rotary cage is arranged in the cylinder, and a space is reserved between an inner cylinder of the rotary cage and the spindle while another space is reserved between an outer cylinder and the cylinder. A support board is connected to the upper end of the inner cylinder, and the upper end of the spindle is connected with the support board. An annular cage cover is arranged at the upper end of the rotary cage and is a meshed cage cover. The multifunctional dehydrator is characterized in that a sleeve for water proofing and heat insulation is arranged in the inner cylinder, and the lower end of the sleeve is hermetically connected with the bottom of the cylinder. A heater is arranged between the cylinder wall of the cylinder and the outer cylinder of the rotary cage. The dehydrator is multifunctional and used for treating linen fibers, quality of linen fiber products can be improved, and high loss of short staples is avoided. The multifunctional dehydrator is applicable to boiling, bleaching, washing and dehydrating of the linen fibers.

The invention belongs to the technical field of loose fiber dyeing and relates to cold-pad batch dyeing process for loose fibers. The cold-pad batch dyeing process for loose fibers comprises the steps of soaking and squeezing, rotating type cold-patch treatment, pressing and water squeezing and post-treatment. The loose fibers are soaked and squeezed in a twice soaking and once squeezing mode, the rotating type cold-patch treatment is then conducted, the loose fibers are pressed and water is squeezed out after the rotating type cold-patch treatment is conducted, and after the water and dye in a loose fiber cake or loose fibers are squeezed out, the loose fiber cake or loose fibers are sent for post-treatments of drying and the like. The cold-pad batch dyeing process for loose fibers is applied to cold-pad batch dyeing of the loose fibers and has the advantages of being uniform in dyeing, small in water consumption and the like. In addition, procedures are simple.

This invention discloses novel and nonobvious compositions and methods suitable for the dyeing of natural fibers with natural dyes that ensure shade-match consistency.

The invention provides a low-bath-ratio high-temperature pulse type jet dyeing machine. The jet dyeing machine mainly comprises a main cylinder, an auxiliary cylinder, a liquid adding pump, a cylinder cover assembly, an auxiliary cylinder liquid return pipe, a movement system, a dye flow dividing pipe, a liquid level meter, a pressure meter, a decompression valve, a main cylinder liquid return pipe, a main pump, an adding valve set, a steam trap assembly, a coiled pipe steam inlet, a star-shaped spraying pipe, a sprinkler spraying pipe, a filter screen, a heat exchanger, a partition board, a spraying pipe support, a center pipe, a transmission shaft and other parts. According to the pulse type high-temperature jet dyeing machine, spray dyeing is conducted on fabric from the upper direction and the lower direction by means of the star-shaped spraying pipe and the sprinkler spraying pipe, and dyeing uniformity can be effectively improved. A central control system controls the jet flow and pressure of dye liquid according to properties of the fabric and fabric winding thickness, and accordingly dyeing quality can be effectively controlled. The jet dyeing machine can obviously save auxiliaries and dye, reduces waste liquid discharge, and has extremely remarkable economic and social benefits.

The present invention provides a fluid flow reversal device (100) comprising a first conduit (1), the first conduit (1) having a cross-shaped configuration provided by a first arm (30) and a second arm (32, 34) thereof, a second conduit (6), which second conduit (6) is concentrically arranged about the first arm (30) of the first conduit (1), the second arm (32, 34) of the first conduit (1) being arranged to extend through opposing sides of the second conduit (6), and a valve (2, 3) designed to control the direction of fluid flow through the second arm (32) of the first conduit (1), in use.

The invention relates to a gripping device and method for a high-level sarong to load and unload gauze rolls. The gripping device comprises a base, fixing plates, a lower supporting seat, an upper supporting seat, guide rods, an industrial camera, a centralizing mobile base, fixing rods, a centralizing rod, left yarn gripping grippers, right yarn gripping grippers, left yarn gripping rods, right yarn gripping rods, yarn gripping rod connecting sleeves and a centralizing base. According to the technical scheme, because the height of the guide rods of the high-level sarong is high, the guide rods are inclined after being used for a period of time, the yarn rolls on the guide rods are inclined too, and therefore the yarn rolls are prone to falling down to be damaged when a robot grips the yarn rolls; in addition, because the height of the high-level sarong is high, the yarn rolls also can be damaged caused by overlarge force or falling when a common gripping mechanism grips the yarn rolls. According to the method, the industrial camera is used for positioning yarn gripping and improving the gripping device, therefore, the yarn rolls are avoided from being damaged in the process of yarn gripping of the high-level sarong, and work efficiency and quality are improved.

The invention relates to a supercritical CO2 anhydrous rotating warp beam horizontal type dyeing kettle and a dyeing system thereof. The supercritical CO2 anhydrous rotating warp beam horizontal type dyeing kettle comprises a dyeing kettle body, a kettle cover, a dyeing fabric frame and a dyeing kettle heating and cooling device, wherein a dyeing cavity is formed inside the dyeing kettle body, the dyeing fabric frame comprises a hollow dyeing warp beam, air exhaust micropores are distributed in the wall of the dyeing warp beam, and the dyeing kettle body is provided with a dyeing kettle air outlet enabling the dyeing cavity to be communicated with the outside for air exhausting; the dyeing kettle body is arranged in a horizontal mode, and the dyeing warp beam is rotationally supported and connected inside the dyeing kettle body in a horizontal mode; an air suction cavity which is parallel to the dyeing cavity in an isolated mode is formed inside the dyeing kettle body, one end of the dyeing warp beam stretches in the air suction cavity and is provided with a warp beam air suction hole, the dyeing kettle body is provided with a dyeing kettle air inlet and a rotation driving device, the dyeing kettle air inlet enables the air suction cavity to be communicated with the outside for air suction, and the rotation driving device drives the dyeing warp beam to rotate. According to the supercritical CO2 anhydrous rotating warp beam horizontal type dyeing kettle and the dyeing system thereof, a vertical dyeing mode is changed into a horizontal dyeing mode, influence of gravity factors on the dyeing effect is overcome, the problem that cloth is dyed unevenly in the prior art is solved, the uniform dyeing effect is achieved, and production efficiency is improved.

Methods are directed to the use of a supercritical fluid for finishing a target material with a finishing material. One or more variables selected from temperature, pressure, flow rate, and time are manipulated to increase efficiencies in the finishing process. As temperature or pressure are decreased causing a change in the density of a supercritical fluid carbon dioxide, which in turn causes a precipitation of dissolved material finish with the carbon dioxide, other variables are maintained above threshold values to increase the uptake of the material finish by the target material. This improvement reduces time by limiting cleaning processes of the system, saves materials used in the cleaning process, and saves energy used to achieve cycles of the process, in aspects.

The invention discloses a warp beam loading and unloading machine which comprises a rotating base, a mechanical hand component and a warp beam transport vehicle. The rotating base comprises a rotating mechanism. The rotating mechanism is provided with a dyeing yarn cage capable of clamping a plurality of warp beams. An existing yarn cage or dyeing cage can be adopted as the dyeing yarn cage. The mechanical hand component comprises a telescoping mechanism and a lifting mechanism which are connected with each other. The lifting mechanism is connected with a mechanical hand used for clamping the warp beams and a locking mechanism used for locking the warp beams. The mechanical hand corresponds to the dyeing yarn cage in position. The warp beam loading and unloading machine further comprises a control device used for controlling the warp beam loading and unloading machine to act. The warp beams are clamped by the dyeing yarn cage in the rotating base; the rotating mechanism can rotate the warp beams to the position where the mechanical hand can grab the warp beams; the mechanical hand is controlled by the telescoping mechanism and the lifting mechanism to move and grab the warp beams; the transmission mechanisms are controlled by the control device to run in order.