CN112575470A - Aramid fiber dyeing process and system - Google Patents
Aramid fiber dyeing process and system Download PDFInfo
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- CN112575470A CN112575470A CN202011408995.7A CN202011408995A CN112575470A CN 112575470 A CN112575470 A CN 112575470A CN 202011408995 A CN202011408995 A CN 202011408995A CN 112575470 A CN112575470 A CN 112575470A
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- 238000004043 dyeing Methods 0.000 title claims abstract description 188
- 229920006231 aramid fiber Polymers 0.000 title claims abstract description 136
- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000008569 process Effects 0.000 title claims abstract description 29
- 239000004760 aramid Substances 0.000 claims abstract description 29
- 238000004898 kneading Methods 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 13
- 238000005070 sampling Methods 0.000 claims abstract description 8
- 230000005684 electric field Effects 0.000 claims abstract description 6
- 239000002657 fibrous material Substances 0.000 claims abstract description 3
- 238000011068 loading method Methods 0.000 claims abstract description 3
- 230000007246 mechanism Effects 0.000 claims description 32
- 238000003756 stirring Methods 0.000 claims description 31
- 238000012546 transfer Methods 0.000 claims description 18
- 239000000835 fiber Substances 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 230000018044 dehydration Effects 0.000 claims description 8
- 238000006297 dehydration reaction Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 6
- 229920003235 aromatic polyamide Polymers 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 5
- 230000000737 periodic effect Effects 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 6
- 238000003825 pressing Methods 0.000 description 33
- 239000000975 dye Substances 0.000 description 29
- 238000005201 scrubbing Methods 0.000 description 15
- 239000002585 base Substances 0.000 description 10
- 238000007599 discharging Methods 0.000 description 6
- 238000005485 electric heating Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000004042 decolorization Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
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- 239000003365 glass fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 230000002194 synthesizing effect Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/02—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fibres, slivers or rovings
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/24—Means for regulating the amount of treating material picked up by the textile material during its treatment
- D06B23/26—Means for regulating the amount of treating material picked up by the textile material during its treatment in response to a test conducted on the textile material
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/34—Driving arrangements of machines or apparatus
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention relates to the technical field of aramid fiber dyeing, in particular to an aramid fiber dyeing process and system, S1, sequentially loading aramid fiber materials to be dyed into an aramid fiber dyeing system, and preparing the materials; s2, placing the prepared aramid fiber in an aramid fiber dyeing system; s3, controlling an electric field in the aramid fiber dyeing system to be in a changing state for dyeing; s4, dyeing is realized by matching the motion magnetic field with ionization; s5, continuously kneading and extruding aramid fibers in the aramid fiber dyeing system in the dyeing process; s6, before dyeing is finished, the current dyeing condition is judged by periodically carrying out primary color fastness sampling detection on the dyed aramid fiber; s7, after the dyeing condition meets the requirement, carrying out deep color fixing treatment on the dyed aramid fiber; s8, drying the fixed aramid fiber, and collecting the dried aramid fiber for later use, wherein the aramid fiber dyed by the process has good dyeing effect, high color fastness and higher dyeing uniformity.
Description
Technical Field
The invention relates to the technical field of aramid fiber dyeing, in particular to an aramid fiber dyeing process and system.
Background
Aramid fiber is a novel high-tech synthetic fiber, has super high strength, high modulus and high temperature resistance, acid and alkali resistance, light weight and other excellent performances, the strength of the aramid fiber is 5-6 times that of a steel wire, the modulus of the aramid fiber is 2-3 times that of the steel wire or glass fiber, the toughness of the aramid fiber is 2 times that of the steel wire, the weight of the aramid fiber is only about 1/5 of the steel wire, the aramid fiber is not decomposed and melted at the temperature of 560 ℃, and the aramid fiber has good insulating property and ageing resistance and has a very long life cycle.
Due to the advantages of aramid fiber, the use of aramid fiber in civil products is increasing with the development of market technology. When the aramid fiber is manufactured, different colors of the product need to be presented, so the aramid fiber needs to be dyed to be used as a raw material for production, but due to the characteristics of the aramid fiber, the aramid fiber is generally poor in adhesion effect during dyeing, the conditions of dyeing and fading are easy to occur, and the later use effect and the attractiveness of the product are seriously influenced.
Disclosure of Invention
In order to solve one of the technical problems, the invention adopts the technical scheme that: an aramid fiber dyeing process comprises the following steps:
s1, sequentially loading aramid fiber materials to be dyed into an aramid fiber dyeing system, and preparing materials;
s2, placing the prepared aramid fiber in an aramid fiber dyeing system for preliminary ionization and keeping stirring;
s3, controlling an electric field in the aramid fiber dyeing system to be in a changing state for dyeing;
s4, starting a moving magnetic field at the periphery of the aramid fiber dyeing system in the dyeing process, and realizing dyeing by matching the moving magnetic field with ionization;
s5, continuously kneading and extruding aramid fibers in the aramid fiber dyeing system in the dyeing process;
s6, before dyeing is finished, the current dyeing condition is judged by periodically carrying out primary color fastness sampling detection on the dyed aramid fiber;
s7, after the dyeing condition meets the requirement, carrying out deep color fixation treatment on the dyed aramid fiber, and if the dyeing condition does not meet the requirement, continuing repeating the dyeing steps of S4-S5;
and S8, drying the fixed aramid fiber, and collecting the dried aramid fiber for later use.
Preferably, the dyeing time in the S5 is 10-20 hours, and the dyeing temperature is controlled at 50-70 ℃.
Preferably, the moving magnetic field in S4 is a magnetic field with a periodically circumferential change of magnetic field direction.
Preferably, the step S4 and the step S5 are both performed in a state of high-frequency ultrasonic vibration.
Preferably, the dyeing process in S5 requires periodic dewatering and water absorption treatment of aramid fiber.
Preferably, when the preliminary color fastness sampling detection is performed in S6, the dyed aramid fiber needs to be subjected to boiling decolorization observation under a pressure change state, wherein the high pressure is 3 atmospheres, the low pressure is 0.5 atmospheres, and the boiling decolorization time is 1-2 hours.
The utility model provides an aramid fiber dyeing system, aramid fiber dyeing system be any one above claim aramid fiber dyeing system, include a comprehensive dyeing device one side of comprehensive dyeing device is installed a fibre dyeing sample detection processing apparatus the low reaches of comprehensive dyeing device are connected with a stoving transfer device through the stock guide, comprehensive dyeing device is used for realizing carrying out quick dyeing to aramid fiber and handles, fibre dyeing sample detection processing apparatus is arranged in carrying out the colour fastness to aramid fiber in the dyeing of comprehensive dyeing device and detects, the stoving transfer device is used for with the process aramid fiber after comprehensive dyeing device dyes carries out stoving transfer processing.
Preferably, synthesize dyeing apparatus includes a dyeing storehouse a lift control mechanism is installed to dyeing storehouse top install a cooperation on the lift control mechanism and be in the dehydration mechanism of kneading in the dyeing storehouse an ionization device is installed to lift control mechanism's bottom both sides the periphery in dyeing storehouse is provided with a rotating magnetic field subassembly, the rotating magnetic field subassembly is used for realizing right the inside magnetic field change's in dyeing storehouse control the bottom in dyeing storehouse is installed an ultrasonic vibration generator.
Preferably, the ionization device includes a cathode plate and an anode plate respectively fixedly installed on the bracket frames at corresponding positions, and the cathode plate and the anode plate are respectively connected to an external power source.
Preferably, the lifting control mechanism comprises a fixed mounting frame fixedly arranged above the dyeing bin, two main lifting cylinder groups are symmetrically and fixedly mounted at the bottom of the fixed mounting frame, a bracket frame is mounted below the main lifting cylinder groups, two ends of the bracket frame are movably hinged to the lower portion of the main lifting cylinder group at corresponding positions respectively, an insulating cylinder with a surface and a bottom provided with a plurality of water filtering meshes is detachably and fixedly mounted inside the bracket frame, a plurality of friction bulges are fixed on the surface of the inner wall of the insulating cylinder, a kneading dehydration mechanism is fixedly mounted at the bottom of the fixed mounting frame between the two main lifting cylinder groups, and the kneading dehydration mechanism is used for being matched with the insulating cylinder to achieve kneading dyeing treatment of aramid fibers inside the insulating cylinder.
Preferably, the kneading and dewatering mechanism comprises two auxiliary lifting cylinders fixedly arranged between the two main lifting cylinder groups and arranged at intervals at the bottom of the fixed mounting frame, a lifting seat with a plurality of water filtering holes at the periphery of the top is fixedly arranged at the bottom of the two auxiliary lifting cylinders, a waterproof main scrubbing motor is fixedly arranged at the center of the top of the lifting seat, a sealing shell is arranged at the periphery of the main scrubbing motor, a hollow pressing plate is fixedly arranged at the bottom of a motor shaft of the main scrubbing motor, a plurality of main scrubbing lugs are arranged on the surface of the bottom of the pressing plate, a waterproof central cylinder is fixedly arranged in a hollow cavity of the pressing plate, a lifting pressing plate is fixedly connected to the bottom of a piston rod of the central cylinder, the outer side wall of the lifting pressing plate is matched with the inner side wall of the hollow cavity, a plurality of stirring upright columns are fixedly arranged at the bottom of the lifting plate along the surface at even intervals, and each stirring upright post respectively penetrates out of each central hole at the bottom of the pressing disc movably.
Preferably, each stirring upright post is controlled to extend out or retract into a hollow cavity of the pressing disc through the central cylinder.
Preferably, the main lifting cylinder group comprises two driving lifting cylinders which are arranged at intervals in the front-back direction, the two driving lifting cylinders move synchronously, and the two main lifting cylinder groups are matched to control the bracket frame and the insulating net barrel filled with aramid fibers to discharge materials obliquely together.
Preferably, the rotating field subassembly includes a fixed mounting in the rotatory base disc of dyeing storehouse below, the external diameter of rotatory base disc is greater than the external diameter in dyeing storehouse the top of rotatory base disc is outer along symmetry fixed mounting have two arc magnet, two arc magnet sets up relatively the bottom fixed mounting of rotatory base disc has a magnetic field rotating electrical machines, the magnetic field rotating electrical machines is fixed on the base of its bottom.
Preferably, the fiber dyeing sample detection processing device comprises an electric heating box which is arranged in a sealing mode, and a thermometer and a pressure gauge are installed on the electric heating box.
Preferably, the drying transfer device comprises a drying channel, a transfer belt conveyor is arranged in the drying channel, and the upstream of the transfer belt conveyor is connected with the downstream of the material guide plate.
The invention has the beneficial effects that:
1. the aramid fiber dyed by the process has good dyeing effect, high color fastness and high dyeing uniformity;
2. the method adopts a mode of ionization and magnetic field coordination, and adds the steps of repeated kneading and dehydration to further improve the full contact between the fiber and the dye and improve the adhesion firmness of dye molecules among the fibers;
3. the method adopts a mode of sampling and inspecting samples at any time in the dyeing process, and ensures the dyeing quality of the dyed fiber.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.
Fig. 1 is a schematic view of the layout structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
In the figure, 1, a complex dyeing device; 2. a fiber dyeing sample detection processing device; 3. a material guide plate; 4. a drying and transferring device; 5. a dyeing bin; 6. a lift control mechanism; 7. a kneading and dewatering mechanism; 8. an ionization device; 9. a rotating magnetic field assembly; 10. an ultrasonic vibration generator; 11. a main lifting cylinder group; 12. a cathode plate; 13. an anode plate; 14. fixing the mounting rack; 15. a bracket frame; 16. an insulating mesh cylinder; 17. a friction projection; 18. an auxiliary lift cylinder; 19. a lifting seat; 20. a main scrubbing motor; 21. sealing the housing; 22. pressing the disc; 23. a main rubbing bump; 24. a central cylinder; 25. lifting and lowering the platen; 26. a hollow cavity; 27. stirring the upright column; 28. rotating the base plate; 29. an arc-shaped magnet; 30. a magnetic field rotating electric machine; 31. an electric heating box; 32. a drying channel; 33. a transfer belt conveyor.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1-2, an aramid dyeing process includes the steps of:
s1, sequentially filling aramid fiber charging materials to be dyed into the discharging idleness of the aramid fiber dyeing system, and preparing materials;
s2, placing the prepared aramid fiber into an insulating inner cylinder in a dyeing bin 5 of an aramid fiber dyeing system, starting a cathode plate 12 and an anode plate 13, controlling a main scrubbing motor 20 to move to a proper position, and then carrying out preliminary ionization and keeping the main scrubbing motor 20 to stir;
s3, controlling the electric field in the aramid fiber dyeing system to be in a changing state for dyeing by adjusting the size of the power supply corresponding to the cathode plate 12 and the anode plate 13, so that dye molecules can move and attach to aramid fibers more quickly;
s4, starting a moving magnetic field at the periphery of the aramid fiber dyeing system in the dyeing process, and realizing dyeing by matching the moving magnetic field with ionization; the electric field force and the magnetic field force that set up combine to control the quick motion of dye molecule to improve dye molecule and aramid fiber contact and adnexed probability, need control whole dye solution and be in the state of motion simultaneously and improve dyeing effect.
S5, continuously kneading and extruding aramid fibers in an aramid fiber dyeing system in the dyeing process, wherein the kneading and extruding are carried out to improve the mixing sufficiency of dye molecules and the aramid fibers and improve the probability of the dye molecules entering the fibers, so that the dyeing effect and the dyeing efficiency are improved, the aramid fibers in the dyeing bin 5 can be dehydrated by controlling the lifting of the insulating inner cylinder, and the aramid fibers can be put into the dye at certain intervals after being dehydrated, mainly for improving the contact firmness of the dye molecules and the aramid fibers, and the dyeing effect can be improved under the condition of adopting high-temperature hot water dye;
s6, before dyeing is finished, the current dyeing condition is judged by periodically carrying out primary color fastness sampling detection on the dyed aramid fiber; the actual dyeing effect and quality of the dyed aramid fiber can be seen through detection.
S7, after the dyeing condition meets the requirement, carrying out deep color fixation treatment on the dyed aramid fiber, and if the dyeing condition does not meet the requirement, continuing repeating the dyeing steps of S4-S5;
and S8, drying the fixed aramid fiber, collecting the dried aramid fiber for later use, and ensuring that the dyed aramid fiber is convenient for later-stage processing by drying.
Preferably, the dyeing time in the S5 is 10-20 hours, the dyeing temperature is controlled at 50-70 ℃, the activity degree of molecules can be better ensured, and the dyeing effect is improved.
Preferably, the motion magnetic field among the S4 is the magnetic field of the periodic circumferential variation of magnetic field direction, and magnetic field variation can make the dyestuff molecule in the insulating inner tube receive magnetic field force to improve its activity degree, rub in the cooperation with the abundant fibre extrusion of dyestuff, thereby realize adsorbing the dyestuff on aramid fiber, improve dyeing effect.
Preferably, the step S4 and the step S5 are both performed in a high-frequency ultrasonic vibration state, so that the permeability between molecules can be effectively improved, and the dyeing effect can be ensured.
Preferably, in the dyeing process of S5, aramid fiber needs to be periodically dehydrated and then subjected to water absorption treatment, and the purpose of the periodic dehydration is to provide a non-liquid contact time for the contact of dye molecules and aramid fiber molecules, so as to improve the bonding and adhesion strength of the dye molecules.
Preferably, when the preliminary color fastness sampling detection is performed in S6, the dyed aramid fiber needs to be subjected to boiling decolorization observation under a pressure change state, wherein the high pressure is 3 atmospheres, the low pressure is 0.5 atmospheres, and the boiling decolorization time is 1-2 hours.
High temperature is boiled and is equivalent to getting off the detection under more strict condition, cooperates high pressure and low pressure state simultaneously, guarantees that the dyeing aramid fiber who detects can adapt to the colourity fastness under the abominable when later stage uses.
The utility model provides an aramid fiber dyeing system, aramid fiber dyeing system be in any one of the preceding claims aramid fiber dyeing system, include a comprehensive dyeing device 1 one side of comprehensive dyeing device 1 is installed a fibre dyeing sample detection processing apparatus 2 the low reaches of comprehensive dyeing device 1 are connected with a stoving transfer device 4 through stock guide 3, comprehensive dyeing device 1 is used for realizing carrying out quick dyeing to aramid fiber and handles, fibre dyeing sample detection processing apparatus 2 is arranged in carrying out the colour fastness to aramid fiber in the dyeing of comprehensive dyeing device 1 and detects, stoving transfer device 4 is used for with the process aramid fiber after the dyeing of comprehensive dyeing device 1 carries out stoving transfer processing.
When synthesizing dyeing apparatus 1 and carrying out abundant dyeing to aramid fiber, can detect through fibre dyeing sample detection processing apparatus 2 and judge whether qualified dyeing is, carry out limit stoving with the aramid fiber of dyeing that simultaneously can be quick through stoving transfer device 4 after the dyeing is accomplished and transport, guarantee the smooth and easy nature of whole work.
Preferably, the integrated dyeing apparatus 1 includes a dyeing bin 5, a lifting control mechanism 6 is installed above the dyeing bin 5, a kneading and dewatering mechanism 7 in the dyeing bin 5 is installed on the lifting control mechanism 6, an ionization device 8 is installed on two sides of the bottom of the lifting control mechanism 6, a rotating magnetic field component 9 is arranged on the periphery of the dyeing bin 5, the rotating magnetic field component 9 is used for realizing the control of the magnetic field change inside the dyeing bin 5, and an ultrasonic vibration generator 10 is installed at the bottom of the dyeing bin 5.
Placing aramid fibers to be dyed in a dyeing bin 5, firstly controlling a lifting control mechanism 6 to drive two main lifting cylinder groups 11 at the bottom of the aramid fibers to move so that an insulating net barrel 16 extends into the dyeing bin 5, simultaneously enabling dyes in the dyeing bin 5 to enter the insulating net barrel 16, putting the aramid fibers to be dyed into the insulating net barrel 16, controlling a kneading and dewatering mechanism 7 to descend through two auxiliary lifting cylinders 18 which move synchronously, enabling a pressing plate 22 to extend into an insulating inner barrel, driving a lifting pressing plate 25 at the bottom of the lifting pressing plate to drive each stirring upright post 27 to extend out of the pressing plate 22 by a control center cylinder 24, then controlling a main scrubbing motor 20 to rotate, controlling the pressing plate 22 to rotate, simultaneously driving each stirring upright post 27 to rotate, driving each aramid fiber to realize stirring under the action of a stirring blade, wherein the aramid fibers are in a stirring and rotating state, the friction bulge 17 on the inner surface of the insulating inner cylinder can be continuously rubbed, and the main rubbing bump 23 at the bottom of the pressing disc 22 can be rubbed to realize rotary stirring so as to improve the contact degree of dye molecules and aramid fibers; simultaneously, can open as required and rub the mode, control center jar 24 drives lift pressure disk 25 and upwards resets this moment, then can make each stirring stand 27 the bottom with press the bottom parallel and level of pressure disk 22, thereby control insulating net section of thick bamboo 16 to rise can be continuous with the outer filtering of dyestuff liquid this moment, then control two pairs of lift jars 18 descends, lift seat 19 descends, make press the aramid fiber of pressure disk 22 press the dyeing in-process, it is rotatory to control main scrubbing motor 20 rotatory can drive press the pressure disk 22 simultaneously, thereby it realizes rubbing aramid fiber to drive a plurality of friction archs 17 of each main lug 23 cooperation insulating net section of thick bamboo 16 bottom of rubbing of its bottom through decurrent pressing force and revolving force, improve dyestuff and aramid fiber's in close contact with degree.
Preferably, the ionization device 8 includes a cathode plate 12 and an anode plate 13 fixedly mounted on the bracket frame 15 at corresponding positions, respectively, and the cathode plate 12 and the anode plate 13 are connected to an external power source, respectively.
The size of the ionization electric field can be changed by controlling the size regulation of the external power supply, so that the ionization effect of different dye molecules is realized.
Preferably, the lifting control mechanism 6 comprises a fixed mounting frame 14 fixedly arranged above the dyeing cabin 5, two main lifting cylinder groups 11 are symmetrically and fixedly arranged at the bottom of the fixed mounting frame 14, a bracket frame 15 is arranged below the two main lifting cylinder groups 11, two ends of the bracket frame 15 are respectively and movably hinged with the lower part of the main lifting cylinder group 11 at the corresponding position, an insulating net cylinder 16 with a plurality of water filtering meshes on the surface and the bottom is detachably and fixedly arranged in the bracket frame 15, a plurality of friction bulges 17 are fixed on the inner wall surface of the insulating net cylinder 16, the kneading and dewatering mechanism 7 is fixedly arranged at the bottom of the fixed mounting frame 14 between the two main lifting cylinder groups 11, and the kneading and dewatering mechanism 7 is used for being matched with the insulating net barrel 16 to realize the kneading and dyeing treatment of the aramid fiber in the insulating net barrel 16. The two main lifting cylinder groups 11 arranged on the lifting control mechanism 6 can be controlled to realize synchronous or independent movement according to the existing system, and the two main lifting cylinder groups 11 are controlled to synchronously move during normal lifting.
When the dyeing is qualified and the material needs to be discharged outwards, the two main lifting cylinder groups 11 move asynchronously, at the moment, the piston rod of the left main lifting cylinder group 11 needs to be controlled to extend downwards, and the piston rod of the right main lifting cylinder group 11 needs to be controlled to lift upwards, at the moment, the bottom of the bracket frame 15 is movably hinged, so that the bracket frame 15 is driven to move towards the right, at the moment, the top of the insulating inner cylinder is driven to incline downwards towards the right, the material is discharged onto the material guide plate 3 by means of the dead weight component, the discharging speed is improved, the discharging movement can be repeated for several times, the discharging sufficiency is improved, and the possibility of material accumulation is reduced; in addition, the bottom of the kneading dehydration mechanism 7 needs to be controlled to rise upwards and be higher than the insulating inner cylinder during discharging, so that discharging interference is prevented.
Preferably, the kneading and dewatering mechanism 7 includes two auxiliary lifting cylinders 18 fixedly installed between the two main lifting cylinder groups 11 and arranged at an interval at the bottom of the fixed mounting frame 14, a lifting seat 19 with a plurality of water filtering holes at the top periphery is fixedly installed at the bottom of the two auxiliary lifting cylinders 18, a waterproof main scrubbing motor 20 is fixedly installed at the top center of the lifting seat 19, a sealing housing 21 is arranged at the periphery of the main scrubbing motor 20, a hollow pressing disc 22 is fixedly installed at the bottom of a motor shaft of the main scrubbing motor 20, a plurality of main scrubbing lugs 23 are arranged on the bottom surface of the pressing disc 22, a waterproof central cylinder 24 is fixedly installed in a hollow cavity 26 of the pressing disc 22, a lifting pressing disc 25 is fixedly connected to the bottom of a piston rod of the central cylinder 24, the outer side wall of the lifting pressing disc 25 is matched with the inner side wall of the hollow cavity 26, a plurality of stirring upright posts 27 are fixedly arranged at the bottom of the lifting pressing plate 25 at uniform intervals along the surface of the lifting pressing plate, and each stirring upright post 27 is movably penetrated through each central hole at the bottom of the pressing plate 22.
Rub dewatering mechanism 7 cooperation and extend to the different degree of depth of insulating inner tube and the different ascending promotion degree of insulating inner tube, can select stirring mode or rub the mode effectively and carry out aramid fiber and the abundant contact of dyestuff, two kinds of modes can be exchanged, specifically control according to actual need, can select to rub the mode when needs reach powerful effect.
Preferably, each of the stirring pillars 27 is controlled to extend or retract into the hollow cavity 26 of the pressing plate 22 through the central cylinder 24, and when the stirring pillars 27 are extended, the stirring pillars serve as stirring blades to stir rotationally along with the pressing plate 22 to stir the dye liquid and the aramid fibers inside, and when each of the stirring pillars 27 is retracted into the hollow cavity 26, the pressing plate 22 serves as a kneading member.
Preferably, the main lifting cylinder group 11 comprises two driving lifting cylinders arranged at intervals in the front-back direction, the two driving lifting cylinders move synchronously, and the two main lifting cylinder groups 11 are matched to control the bracket frame 15 and the insulating net barrel 16 filled with aramid fibers to discharge materials obliquely together.
Preferably, the rotating magnetic field assembly 9 includes a rotating base plate 28 fixedly installed below the dyeing bin 5, the outer diameter of the rotating base plate 28 is greater than the outer diameter of the dyeing bin 5, two arc magnets 29 are symmetrically and fixedly installed on the outer edge of the top of the rotating base plate 28, the two arc magnets 29 are oppositely disposed, a magnetic field rotating motor 30 is fixedly installed on the bottom of the rotating base plate 28, and the magnetic field rotating motor 30 is fixed on the base at the bottom thereof to rotate the rotating base plate 28.
The direction of the magnetic field formed by the two arc magnets 29 can be changed by controlling the rotation of the magnetic field rotating motor 30, so that the magnetic force applied to the inside is changed.
Preferably, fibre dyeing sample detection and treatment device 2 includes a sealed electric heating box 31 that sets up install thermometer and manometer on the electric heating box 31, be used for the water bath to realize carrying out decoloration effect processing to the aramid fiber dyestuff of dyeing in the electric heating box 31.
Preferably, the drying transfer device 4 comprises a drying channel 32, a transfer belt conveyor 33 is arranged in the drying channel 32, the upstream of the transfer belt conveyor 33 is connected with the downstream of the material guide plate 3, and the transfer belt conveyor 33 transfers the dyed aramid fibers from the material guide plate 3 through a belt conveyer thereon.
The working principle is as follows:
placing aramid fibers to be dyed in a dyeing bin 5, firstly controlling a lifting control mechanism 6 to drive two main lifting cylinder groups 11 at the bottom of the aramid fibers to move so that an insulating net barrel 16 extends into the dyeing bin 5, simultaneously enabling dyes in the dyeing bin 5 to enter the insulating net barrel 16, putting the aramid fibers to be dyed into the insulating net barrel 16, controlling a kneading and dewatering mechanism 7 to descend through two auxiliary lifting cylinders 18 which move synchronously, enabling a pressing plate 22 to extend into an insulating inner barrel, driving a lifting pressing plate 25 at the bottom of the lifting pressing plate to drive each stirring upright post 27 to extend out of the pressing plate 22 by a control center cylinder 24, then controlling a main scrubbing motor 20 to rotate, controlling the pressing plate 22 to rotate, simultaneously driving each stirring upright post 27 to rotate, driving each aramid fiber to realize stirring under the action of a stirring blade, wherein the aramid fibers are in a stirring and rotating state, the friction bulge 17 on the inner surface of the insulating inner cylinder can be continuously rubbed, and the main rubbing bump 23 at the bottom of the pressing disc 22 can be rubbed to realize rotary stirring so as to improve the contact degree of dye molecules and aramid fibers; simultaneously, can open as required and rub the mode, control center jar 24 drives lift pressure disk 25 and upwards resets this moment, then can make each stirring stand 27 the bottom with press the bottom parallel and level of pressure disk 22, thereby control insulating net section of thick bamboo 16 to rise can be continuous with the outer filtering of dyestuff liquid this moment, then control two pairs of lift jars 18 descends, lift seat 19 descends, make press the aramid fiber of pressure disk 22 press the dyeing in-process, it is rotatory to control main scrubbing motor 20 rotatory can drive press the pressure disk 22 simultaneously, thereby it realizes rubbing aramid fiber to drive a plurality of friction archs 17 of each main lug 23 cooperation insulating net section of thick bamboo 16 bottom of rubbing of its bottom through decurrent pressing force and revolving force, improve dyestuff and aramid fiber's in close contact with degree.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention, and the technical solutions are all covered in the scope of the claims and the specification of the present invention; it will be apparent to those skilled in the art that any alternative modifications or variations to the embodiments of the present invention may be made within the scope of the present invention.
The present invention is not described in detail, but is known to those skilled in the art.
Claims (10)
1. An aramid fiber dyeing process is characterized in that: the method comprises the following steps:
s1, sequentially loading aramid fiber materials to be dyed into an aramid fiber dyeing system, and preparing materials;
s2, placing the prepared aramid fiber in an aramid fiber dyeing system for preliminary ionization and keeping stirring;
s3, controlling an electric field in the aramid fiber dyeing system to be in a changing state for dyeing;
s4, starting a moving magnetic field at the periphery of the aramid fiber dyeing system in the dyeing process, and realizing dyeing by matching the moving magnetic field with ionization;
s5, continuously kneading and extruding aramid fibers in the aramid fiber dyeing system in the dyeing process;
s6, before dyeing is finished, the current dyeing condition is judged by periodically carrying out primary color fastness sampling detection on the dyed aramid fiber;
s7, after the dyeing condition meets the requirement, carrying out deep color fixation treatment on the dyed aramid fiber, and if the dyeing condition does not meet the requirement, continuing repeating the dyeing steps of S4-S5;
and S8, drying the fixed aramid fiber, and collecting the dried aramid fiber for later use.
2. The aramid fiber dyeing process according to claim 1, characterized in that: the dyeing time in the S5 is 10-20 hours, and the dyeing temperature is controlled at 50-70 ℃.
3. The aramid fiber dyeing process according to claim 2, characterized in that: the moving magnetic field in S4 is a magnetic field in which the magnetic field direction periodically changes circumferentially.
4. The aramid fiber dyeing process according to claim 3, characterized in that: the step S4 and the step S5 are both performed in a state of high-frequency ultrasonic vibration.
5. The aramid fiber dyeing process according to claim 4, characterized in that: the dyeing process in S5 needs periodic dehydration and water absorption treatment on aramid fiber.
6. The aramid fiber dyeing process according to claim 5, characterized in that: when preliminary color fastness sampling detection is carried out in S6, the dyed aramid fiber needs to be boiled and decolored under a pressure change state for observation, wherein the high pressure is 3 atmospheres and the low pressure is 0.5 atmosphere, and the boiling and decoloring time is 1-2 hours.
7. An aramid dyeing system as claimed in any one of the preceding claims, characterized in that: including an integrated dyeing apparatus one side of integrated dyeing apparatus is installed a fibre dyeing sample detection processing apparatus the low reaches of integrated dyeing apparatus are connected with a stoving transfer device through the stock guide, integrated dyeing apparatus is used for realizing carrying out quick dyeing to aramid fiber and handles, fibre dyeing sample detection processing apparatus is arranged in carrying out the colour fastness to aramid fiber in the dyeing of integrated dyeing apparatus and detects, stoving transfer device is used for the process aramid fiber after the integrated dyeing apparatus dyeing carries out the stoving transportation and handles.
8. The aramid dyeing system as claimed in claim 7, characterized in that: synthesize dyeing apparatus includes a dyeing storehouse a lift control mechanism is installed to dyeing storehouse top install a cooperation on the lift control mechanism and be in the dehydration mechanism of kneading in the dyeing storehouse an ionization device is installed to lift control mechanism's bottom both sides the periphery in dyeing storehouse is provided with a rotating magnetic field subassembly, the rotating magnetic field subassembly is used for realizing right the inside magnetic field variation's in dyeing storehouse control an ultrasonic vibration generator is installed to the bottom in dyeing storehouse.
9. The aramid dyeing system as claimed in claim 8, characterized in that: the ionization device comprises a cathode plate and an anode plate which are respectively and fixedly arranged on the bracket frame at corresponding positions, and the cathode plate and the anode plate are respectively connected with an external power supply.
10. The aramid dyeing system as claimed in claim 9, characterized in that: the lift control mechanism includes that a fixed setting is in the fixed mounting bracket of dyeing storehouse top the bottom symmetry fixed mounting of fixed mounting bracket has two main lift jar groups, two a bracket frame is installed to the below of main lift jar group, the both ends of bracket frame respectively with correspond position department the below activity hinge joint of main lift jar group the inside detachable fixed mounting of bracket frame has a surface and the insulating net section of thick bamboo that the bottom all is equipped with a plurality of drainage mesh the inner wall fixed surface of insulating net section of thick bamboo has a plurality of friction arch, two between the main lift jar group the bottom fixed mounting of fixed mounting bracket has rub dewatering mechanism, rub dewatering mechanism be used for with insulating net section of thick bamboo cooperation is realized right the inside aramid fiber of insulating net section of thick bamboo rub dyeing process.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116288994A (en) * | 2023-04-26 | 2023-06-23 | 吴江市雪洋化纤有限公司 | Short fiber cleaning and collecting device |
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| CN110804878A (en) * | 2019-12-10 | 2020-02-18 | 邵帅 | Low-temperature dyeing process for fiber textile fabric |
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| CN103025952A (en) * | 2010-08-27 | 2013-04-03 | 英派尔科技开发有限公司 | Dyeing of fibers using supercritical carbon dioxide and electrophoresis |
| CN103526488A (en) * | 2013-10-24 | 2014-01-22 | 东华大学 | Device and method for utilizing electromagnetic field for facilitating dyeing of vat dyes |
| CN110804878A (en) * | 2019-12-10 | 2020-02-18 | 邵帅 | Low-temperature dyeing process for fiber textile fabric |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112575470B (en) | 2023-01-03 |
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