CN102747566A - Fabric rope shaped dyeing machine and dyeing method by using supercritical carbon dioxide fluid as medium - Google Patents
Fabric rope shaped dyeing machine and dyeing method by using supercritical carbon dioxide fluid as medium Download PDFInfo
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- CN102747566A CN102747566A CN2012102541421A CN201210254142A CN102747566A CN 102747566 A CN102747566 A CN 102747566A CN 2012102541421 A CN2012102541421 A CN 2012102541421A CN 201210254142 A CN201210254142 A CN 201210254142A CN 102747566 A CN102747566 A CN 102747566A
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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
- D06B19/00—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00
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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
- D06B3/24—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics in roped form
- D06B3/26—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics in roped form in superimposed, i.e. stack-packed, form
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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
- D06B9/00—Solvent-treatment of textile materials
- D06B9/06—Solvent-treatment of textile materials with recovery of the solvent
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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Abstract
The invention discloses a fabric rope shaped dyeing machine and dyeing method by using supercritical carbon dioxide fluid as a medium. A cloth lifting wheel system is arranged in a dyeing kettle body, so as to jointly drive the rope-shaped fabric to circulate in sequence through a traction action of a cloth guide rope; such process parameters as circulation flow rate of dyeing fluid, circulating speed of fabric, dyeing temperature, pressure and the like are rationally controlled to achieve uniformly processing piece-dyed fabric in the supercritical carbon dioxide fluid medium, in particular light and easily deformed fabric. According to the invention, a circulating loop of the rope-shaped fabric is shortened, a complicated spray nozzle system is saved and load of a circulating pump is relieved, thereby effectively reducing device manufacturing cost and sealing and designing requirements of the system, achieving a medium-small size of the device system, and improving practicability and durability of the system. The anhydrous rope-shaped dyeing machine and dyeing method have the advantages of strong practicability, simple device design, convenience for manufacturing and using, environmental protection and the like.
Description
Technical field
The present invention relates to dyeing installation and colouring method thereof that a kind of fabric becomes rope form, particularly a kind of is the dyeing machine for rope-like fabric and the colouring method thereof of medium with the supercritical carbon dioxide fluid, belongs to the textile dyeing and finishing technical field.
Background technology
Supercritical fluid especially supercritical carbon dioxide fluid is the fluid media (medium) of a kind of safety, environmental protection, green.Replace traditional water bath to the fabric processing of dyeing with supercritical carbon dioxide fluid; Because dye-free waste water and other generation of waste materials; Can effectively avoid the consumption of great lot of water resources, the energy and chemicals in the traditional dyeing process, and great deal of high concentration, high COD
CrThe severe contamination that colorful wastewater causes ecological environment can thoroughly be realized green, environmental protection, clean production, has the advantage of saving water and energy simultaneously.The research and development of relevant colouring method and dyeing installation in the supercritical carbon dioxide fluid, to progressively improving and promoting the application of supercritical fluid non-aqueous dyeing in suitability for industrialized production, the environmental protectionization, the ecology that promote whole textile printing and dyeing industry production are significant.
In recent years; Because the increasing and the environmental pollution of water resources shortage obtain extensive concern day by day; And to industry energy-saving reduce discharging, the continuing to increase of the macro adjustments and controls dynamics of cleaner production; What is more important is along with the continuous progress and the practicability of supercritical carbon dioxide fluid relevant device and dyeing key technology research and development, with the supercritical carbon dioxide fluid be medium the processing having caused day by day of textiles non-aqueous dyeing industry and enterprise great interest with show great attention to.Development through one period; Domestic relevant departments and mechanism; Especially this seminar is aspect the research and development of relevant supercritical carbon dioxide fluid dyeing installation; From breadboard mini-plant, progressively develop into and have fairly large pilot scale change system, and aspects such as suitable dyes performance, dedicated dye research and development, process optimization have obtained rapid progress in dyeing key technology such as fluid; And realized pilot scale piece dyeing production demonstration in 2010 to 2011, at home and abroad releasing first with the supercritical carbon dioxide fluid is the non-aqueous dyeing production cloth specimen and the portioned product of medium.
Domestic and international relevant bibliographical information is used for the critical component that the supercritical carbon dioxide fluid medium dyes and processes at present---and dyeing caldron structure and dyeing cooked mode thereof, generally adopt vertical/horizontal warp axle pattern to carry out piece dyeing (CN1807742A more; CN101024922A; CN2688735), or adopt the cheese pattern processing (CN1200153A that dyes; CN2350412); In addition, the dyeing kettle that fabric is carried out dye gigging with the twin shaft pattern also had the minority bibliographical information (CN101148813A, CN101082157A).
Yet above-mentioned disclosed middle-size and small-size equipment is more to be applicable to laboratory research, when the actual industrial production application, still has more problem to need further to solve.No matter be vertical or horizontal through the axle pattern, all more yarn dyeings such as the cheese processing that is applicable to porous.And, reach evenly good Color for piece dyeing, and it is all bigger to Equipment Design and specification requirement, difficulty, and its production efficiency is low simultaneously, the processing cost height; And for twin axle dye gigging pattern; Equally also there are the sealing of power transmission and system and the problems such as durability of sealing device; And this dyeing pattern also is difficult to be guaranteed to the uniformity of dyeing caldron inner fluid circulation, in addition, because fabric exists when shuttling movement than hightension; The fabric variety of suitable processing also be restricted (CN101760914A, CN201560318U).Thereby this seminar designs first and has implemented piece dyeing pattern and the change system thereof of fabric in rope form in the high pressure supercritical carbon dioxide fluid medium (CN101760914A CN201560318U), and has obtained effect preferably.To be arranged on dyeing caldron external but owing to will carry cloth wheel system and nozzle system; The closed circuit of fabric is long; Can be applicable to the Large-Scale Equipment system preferably; And being unfavorable for medium and smallization of equipment, also there is certain limitation in simultaneity factor to light and thin type and the yielding textile application that creases easily, and the spraying system of equipment is also to the high-pressure circulation pump design and use and proposed high requirement.
Specification
In order to overcome the deficiency that exists in the prior art; The object of the present invention is to provide a kind of is medium with the supercritical carbon dioxide fluid, has that even dyeing effect is good, wide accommodation, the rope dyeing machine that is particularly suitable for light and thin type and yielding textiles and a colouring method thereof.
It is the fabrics in roped form dyeing machine of medium with the supercritical carbon dioxide fluid that the technical scheme of realization the object of the invention provides a kind of, and it comprises supercritical fluid dyeing caldron, dyeing fluid circulating system; Described supercritical fluid dyeing caldron comprises kettle, carries cloth apparatus, cloth storage trough and selvage guide rope; Kettle is horizontal cylindrical shape high pressure dyeing still; In the chamber of kettle, the centre is provided with the pyriform separate mesh; Carry cloth apparatus and comprise that carrying cloth takes turns and fabric guide roll, carry the cloth wheel and be located at the endoceliac top of still, fabric guide roll is arranged on a side of carrying cloth wheel side-lower, pyriform separate mesh; Cloth storage trough comprises horizontal separate mesh, accepts webmaster, pyriform separate mesh bottom and undaform draw the space that the cloth passage is formed; Laterally separate mesh is arranged on a side of pyriform separate mesh; Undaform draws the opposite side that the cloth passage is located at the pyriform separate mesh, accepts the bottom that webmaster is located at kettle; Kettle is provided with gathering hole and observation window; The top of kettle is provided with fluid inlet, and the below of kettle is provided with fluid issuing, and fluid inlet is connected with the dyeing fluid circulating system through pipeline respectively with fluid issuing; Described selvage guide rope is end to end annular pallial siphuncle; Depended on the selvage guide rope by the dyeing and weaving thing and form fabric in rope form; The selvage guide rope is through carrying cloth wheel and fabric guide roll; The fabric in rope form entering undaform that accept in the webmaster traction kettle bottom draws the cloth passage, gets into the webmaster of accepting of kettle bottom again, and selvage guide rope and fabric in rope form are made shuttling movement up and down in kettle.
Selvage guide rope of the present invention, its annular length is adjustable, and shape of cross section is circle, ellipse or other mellow and full shape of profile.Described cloth wheel and the fabric guide roll carried carried the cloth wheel and is driving wheel, and fabric guide roll is a driven voller.
A kind of method of utilizing above-mentioned dyeing machine to carry out with the supercritical carbon dioxide fluid to be the fabrics in roped form dyeing of medium comprises the steps:
(1) will by dyeing and weaving thing one end with the rope form form fix on the selvage guide rope, under the traction of the active role of carrying cloth wheel and selvage guide rope, wear cloth and advance cloth;
(2) will be sewed up from beginning to end by the dyeing and weaving thing, form ring-type;
(3) behind the airtight dyeing caldron whole coloring system is carried out emptying; Adopt force (forcing) pump to the coloring system supercharging; At the fluid circular flow is in the supercritical carbon dioxide fluid medium of 1L/min～500L/min, is depended on the selvage guide rope by the dyeing and weaving thing and forms fabric in rope form, and the selvage guide rope is through carrying cloth wheel and fabric guide roll; The fabric in rope form entering undaform that accept in the webmaster traction kettle bottom draws the cloth passage; Get into the webmaster of accepting of kettle bottom again, selvage guide rope and fabric in rope form are made shuttling movement up and down with the cloth of 2m/min～200m/min speed in kettle, to the fabric processing of dyeing.
Dyeing temperature in the dyeing caldron is 100 ℃～160 ℃, and pressure is 9MPa～30Mpa.
To fabric time of handling of dyeing be 20min～300min.
Compare with the prior art scheme, remarkable advantage of the present invention is:
1, the present invention will carry the cloth wheel system and be arranged in the dyeing kettle, shorten the closed circuit of fabric in rope form, and drive the fabric in rope form shuttling movement jointly through the draw of selvage guide rope, reduce the required power of fabric shuttling movement effectively; And saved complicated nozzle system, and alleviated the load of circulating pump, can effectively reduce device fabrication cost and system sealing and designing requirement, and help realizing middle-size and small-sizeization of change system, improve its practicality.
2, the present invention is through the draw of selvage guide rope; And drive fabric in rope form shuttling movement; Thereby fabric is loose formula state in the dyeing cycle motion process, and no tension force or tension force are minimum; So its suitable fabrics variety range is wide, be particularly suitable for the supercritical carbon dioxide fluid rope form piece dyeing dyeing of light and thin type and yielding textiles.
3, the present invention has saved spraying system, has reduced the fluid circulation resistance, helps realizing the dye big flow circulation of fluid and the service life of prolongation circulating pump.
4, adopt dyeing machine provided by the invention to carry out textile dyeing, have simple, the controlled characteristics of technology; Through technological parameters such as reasonable control dyeing fluid circular flow, fabric circulation rate, dyeing temperature and pressure; To realize to piece dyeing fabric in the supercritical carbon dioxide fluid medium; Especially the rope form piece dyeing of light and thin type and yielding fabric is evenly processed; Even dyeing effect, reappearance, absorption colourability and the COLOR FASTNESS of dyeing are good, and dyeing quality obviously improves.
Description of drawings
What Fig. 1 was that the embodiment of the invention provides is the operation principle sketch map of the fabrics in roped form dyeing machine of medium with the supercritical carbon dioxide fluid;
Among the figure: 1, kettle; 2, fabric in rope form; 3, besel; 4, gathering hole; 5, selvage guide rope; 6, fabric guide roll; 7, carry the cloth wheel; 8, horizontal separate mesh; 9, undaform draws the cloth passage; 10, accept webmaster; 11, pyriform separate mesh; 12, heat exchanger; 13,17 and 22, fluid filtering device; 14, circulating pump; 15,18,19,20,23,24,25 and 38, stop valve; 16, entrainer still; 21, dyestuff still; 26, preheating furnace; 27, main pump; 28, condenser storage tank; 29, handpiece Water Chilling Units; 30, water circulating pump; 31, CO
2Gas cylinder; 32, bus-bar; 33, separating still II; 34, scavenging pump; 35, preheater II; 36, separating still I; 37, preheater I; 38, relief valve; 39, fluid intake; 40, fluid issuing.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment specific embodiments of the present invention is further described.
Referring to accompanying drawing 1, it is that a kind of that present embodiment provides is the operation principle sketch map of the fabrics in roped form dyeing machine of medium with the supercritical carbon dioxide fluid; This dyeing machine comprises fabric in rope form shuttling movement selvage guide rope in supercritical fluid dyeing caldron and the still, the dyeing fluid circulating system.
Dyeing caldron is a kettle 1 with horizontal cylindrical shape high pressure dyeing still; The top position is provided with selvage guide rod 6 and Ti Bu wheel 7 in the kettle; The centre of kettle 1 is provided with pyriform separate mesh 11; The left side of pyriform separate mesh is provided with the horizontal separate mesh 8 that epirelief and perforate are passed through for fabric in rope form, and its right side is provided with undaform and draws cloth passage 9, and accepts the webmaster 10 common cloth storage troughs that constitute dyeing machines with each separate mesh, the setting of kettle lower half; Be provided with a gathering hole 4 and observation window 3 in the left side of kettle 1, the back upper place of kettle is provided with fluid inlet 39, a below and is provided with outlet 40, and is connected back connection dyeing fluid circulating system with fluid filtering device 13, circulating pump 14 through pipeline respectively.
Fabric in rope form shuttling movement selvage guide rope is end to end one annular pallial siphuncle in the still; The traction fabric in rope form is accomplished and is worn cloth and advance cloth, and fabric forms compound ropy with the selvage guide rope in this process simultaneously, and under the effect of carrying cloth wheel 7; Through selvage guide rod 6; Fabric in rope form gets into undaform smoothly and draws cloth passage 9 in the cloth storage trough of traction kettle below, and then gets into kettle below cloth storage trough according to the order of sequence, assists fabric in rope form to carry out orderly shuttling movement.
Shown in accompanying drawing 1; The job step that with the supercritical carbon dioxide fluid is the fabrics in roped form dyeing machine of medium is: opening operation mouth 4; Earlier will by dyeing and weaving thing one end with the rope form form fix on the selvage guide rope; Under the traction of the active role of carrying cloth wheel 7 and selvage guide rope, accomplish and wear cloth and advance cloth work, fabric forms compound ropy with the selvage guide rope in this process simultaneously; After advancing the cloth completion, will be sewed up the formation ring-type from beginning to end, behind the airtight dyeing caldron whole coloring system carried out good emptying by the dyeing and weaving thing.According to predetermined dyeing processing technique flow process and parameter, start then by CO
2Gas cylinder 31, bus-bar 32, condenser storage tank 28, main pump 27, preheating furnace 26 at interior compression system to dyeing caldron supercharging and fluid preheating; And through heat exchanger 12 intensifications; Open stop valve 23 or 19,24 simultaneously, dyestuff or chemicals in it are fully dissolved dyestuff still 21 or 16 superchargings of entrainer still.After dyeing caldron internal pressure and temperature reach predetermined technological requirement, close main pump 27, and close stop valve 25, open stop valve 18,24,20 or 15, treat in the coloring system to start circulating pump 14 after the pressure balance; Adopt the inlet 39 and the dyestuff still 21 of outlet 40, fluid filtering device 13, circulating pump 14, heat exchanger 12 and parallel/series or the fluid circulating system that entrainer still 16 constitutes that are communicated with dyeing caldron 1; Dyeing fluid in the dyeing caldron 1 is upgraded circulation with the flow of stipulating; And realize the transmission of carrying of dissolving dye/chemicals in dyestuff still 21 or the entrainer still 16 is reached the even distribution in dyeing caldron, be beneficial to the level dyeing of fabric.
Open simultaneously and carry the cloth wheel system; Make selvage guide rope and fabrics in roped form compound linear velocity with regulation; Through drawing cloth passage 9, cloth storage trough (Teflon accept webmaster 10, pyriform separate mesh 11, the horizontal space that constitutes of separate mesh 8), the horizontal DYED FABRICS circulatory system formed of separate mesh 8, selvage guide rod 6 to carry cloth wheel 7, undaform; And keep stable well and in an orderly manner running, make in DYED FABRICS and dyeing caldron 1 inner fluid dissolving dye or chemicals even contact dye or react with adsorbing.
Fabric is admitted to undaform and draws cloth passage 9 after carrying cloth wheel 7; And undulate is stacked in an orderly manner along dyeing caldron 1 lower half and is on the Teflon webmaster 10 of circumferential arrangement; And push carry cloth to the power of gravity and fluid and take turns 7 belows, one side, the castering action through selvage guide rod 6 and Ti Bu wheel 7 carries out dyeing cycle then.Fluid under the circulating pump positive action, dye in the dyeing caldron 1 through fluid issuing 40, filter device 13, dyestuff still 21 or entrainer still 16; Again dyestuff gets into dyeing caldrons 1 through heat exchanger 12 and fluid intake 39 on carrying not, and with dye on fabric fully contacts or react.Then fluid gets into circulation next time through the space of 10 of Teflon webmasters and through circulating pump 14 again, thereby accelerates to dye/react in the even absorption of dissolving dye and fabric fibre in the fluid, accomplishes coloration of textile materials jointly and processes.
After heat-insulation pressure keeping dyeing is finished dealing with; Circulating pump 14 is shut down; Open 38 pairs of coloring system pressure releases of relief valve, utilize separation and recovery system that the dye well fluid in the dye cycle system is separated and reclaim (for fully removing the fabric face loose colour, can keep circulating pump 14 continuous firings when dying dark heavy colour; Open compression system simultaneously, utilize fresh fluid to carry out loose colour and clean).Pressure release is closed relief valve 38 after finishing, and then to equipment emptying, the fast-open type seal cover at start-up operation mouth 4 places goes out cloth then.
Go out cloth and finish the back closed system, adopt main pump 27, dyeing caldron and dyeing fluid circulating system are fully cleaned, and separate and reclaim through separation and recovery system with fresh fluid at interior compression system.In addition; When carrying out colour changing dyeing; Except that fluid circulating system cleans to dyeing caldron and dyeing, also adopt the special-purpose scavenging pump 34 and the corresponding circuit that are equipped with that separation and recovery system is cleaned, so that adopt separation and recycling after the different dyes dyeing processing.
Utilize dyeing installation that present embodiment provides to the fabric processing of dyeing.What present embodiment adopted is that (50D/50D low-elasticity terylene fibre, 84.0g/m are spun in terylene spring Asia by the dyeing and weaving thing
2), used dyestuff is disperse scarlet S-BWFL (Disperse C.I.Red 74, o.m.f are 0.2%).
At the dye cycle system temperature is that 120C, dyeing time are that 2 hours, system pressure are under the condition of 13.9MPa, 30.0Mpa, and fabric is carried out dye test respectively.
With reference to above-mentioned treatment step and technology, the dacron experimental result after present embodiment method dyeing processing is following:
1. the even dyeing effect of fabric
The level-dyeing property of fabric adopts the standard deviation δ (λ of the surperficial color depth value (K/S) at the maximum characteristic absorption wavelength of DYED FABRICS place after the processing of present embodiment method
Max) weigh, its computing formula is:
In the formula:
δ (λ
Max) be the standard deviation of each K/S of sample point place value and sample mean on the DYED FABRICS;
λ
MaxMaximum characteristic absorption wavelength for DYED FABRICS;
The total degree (n=20) that n measures for dyeing cloth specimen head, tail, limit, medium different parts;
For at the maximum characteristic absorption wavelength (λ of place
Max) i measurement (the automatic color measurement and color match appearance test of employing Ultrascan PRO type, HunterLab.Ltd, the U.S.; Folding 8 layers of sample) surperficial color depth value (K/S value);
Because δ (λ
Max) represent that each sample point surface color depth (K/S) value departs from the degree of its mean value, thereby can be used to characterize the level-dyeing property of cloth cover, wherein δ (λ
Max) value more little, even dyeing effect is good more.
Table 1 is to adopt the described method of present embodiment, terylene spring Asia is spun the experimental result that adopts disperse scarlet S-BWFL (o.m.f is 0.2%) under the different pressures condition, to dye and process.
Table 1
Can find out by the test result shown in the table 1, through the dacron of present embodiment method dyeing processing, the standard deviation δ (λ of the surperficial color depth value (K/S) at its maximum characteristic absorption wavelength place
Max) value less, the level-dyeing property of the positive and negative cloth cover of DYED FABRICS is good; Table 1 shows that also its level-dyeing property can further improve along with system pressure increases simultaneously.In addition;
test result of DYED FABRICS also shows under each pressure condition; Along with pressure increases; Tinctorial yield on the fabric is increased, obtain denseer color and luster.Owing to increase with pressure; The density of supercritical carbon dioxide fluid increases, and more abundant to the dyestuff dissolving, the dye strength that is solubilised state is also corresponding higher; And fluid distributes also more evenly in the dyeing caldron, thereby the level-dyeing property of product dyed thereby and surperficial color depth value also are improved.
Embodiment 2
Present embodiment adopts disperse scarlet S-BWFL (Disperse C.I.Red 74, o.m.f are 0.2%) that (50D/50D low-elasticity terylene fibre, 84.0g/m are spun in terylene spring Asia
2), the processing of dyeing; Dyeing condition is that 14.5MPa supercritical carbon dioxide fluid, dyeing temperature are that 120 ℃, dyeing fluid flow are that 25.0L/min, dyeing time are 2h, and the fabric circulation rate is respectively 2m/min, 50m/min, 200m/min.
Press the method for embodiment 1, the processed that under above-mentioned different circulation rate conditions, dyes is respectively spun in terylene spring Asia, its concrete steps are said with other condition such as embodiment 1.
Table 2 is to adopt the described method of present embodiment, terylene spring Asia is spun the experimental result that adopts disperse scarlet S-BWFL (o.m.f is 0.2%) under the different circulation rate conditions of fabric, to dye and process.
Table 2
Can see by the data shown in the table 2, along with the DYED FABRICS circulation rate when 2m/min brings up to 50m/min, the standard deviation δ (λ of the surperficial color depth value (K/S) at maximum characteristic absorption wavelength place on the fabric
Max) obviously reduction of value appearance, showing that head, tail, limit, the middle color and luster uniformity of product dyed thereby positive and negative obtains bigger raising, whole cloth complexion pool is evenly during range estimation.And further bring up to 200m/min with the fabric circulation rate, the standard deviation δ (λ of fabric face color depth value (K/S)
Max) the obviously reduction of value nothing, the color and luster at each position is very even on the fabric.
Simultaneously, table 2 shows that also in the present embodiment, the circulation rate of fabric is less to surperficial color depth value (K/S) influence at maximum characteristic absorption wavelength place on the fabric, shows that fabrics in roped form dyeing machine of the present invention and colouring method thereof have good dyeing reappearance.
Present embodiment adopts disperse scarlet S-BWFL (Disperse C.I.Red74, o.m.f are 0.2%) that (50D/50D low-elasticity terylene fibre, 84.0g/m are spun in terylene spring Asia
2), the processing of dyeing; Dyeing condition is that 14.5MPa supercritical carbon dioxide fluid, dyeing temperature are 120, dyeing time is that 2h, fabric in rope form circulation rate are 56m/min, and dyeing fluid circular flow is respectively 1L/min, 30L/min, 500L/min.
Press the method for embodiment 1, the processed that under above-mentioned different circular flow conditions, dyes is respectively spun in terylene spring Asia, its concrete steps are said with other condition such as embodiment 1.
Table 3 is to adopt the described method of present embodiment, terylene spring Asia is spun the experimental result that adopts disperse scarlet S-BWFL (o.m.f is 0.2%) under the different circular flow conditions of dyeing fluid, to dye and process.
Table 3
Can see by the data shown in the table 3, with the increase of tinction fluid circular flow, the standard deviation δ (λ of the surperficial color depth value (K/S) at maximum characteristic absorption wavelength place on the fabric
Max) value descends obviously, shows to increase dyeing fluid circular flow, can significantly improve head, tail, the limit of product dyed thereby positive and negative, the color and luster uniformity at middle position.After dyeing fluid circular flow surpassed 30L/min, the color and luster at each position was very even on the fabric, its standard deviation δ (λ
Max) value changes not obvious.
Table 3 also shows simultaneously, and dyeing fluid circular flow is remarkable to surperficial color depth value (K/S) influence of fabric.Because when other condition is identical; Increase dyeing fluid circular flow and can effectively carry more dissolving dye entering dyeing caldron; Strengthened the relative motion of fabric and fluid simultaneously; Accelerated the transmission of dissolving dye and exchange in fiber surface, diffusion boundary layer and the body of fluid on the fabric, in the absorption on the fiber, dyed thereby improved dyestuff.
Present embodiment adopts disperse scarlet S-BWFL (Disperse C.I.Red74, o.m.f are 0.2%) that (50D/50D low-elasticity terylene fibre, 84.0g/m are spun in terylene spring Asia
2), the processing of dyeing; Dyeing condition is that 20MPa supercritical carbon dioxide fluid, dyeing time are that 2h, fabric in rope form circulation rate are 56m/min, and dyeing fluid circular flow is respectively 30L/min, dyeing temperature is respectively 100 ℃, 120 ℃, 130 ℃.
Press the method for embodiment 1, the processed that under above-mentioned coloured differently temperature conditions, dyes is respectively spun in terylene spring Asia, its concrete steps are said with other condition such as embodiment 1.
Table 4 is to adopt the described method of present embodiment, terylene spring Asia is spun the experimental result that adopts disperse scarlet S-BWFL (o.m.f is 0.2%) under condition of different temperatures, to dye and process.
Table 4
Can see by the data shown in the table 4, along with dyeing temperature raises, the standard deviation δ (λ of fabric face color depth value (K/S)
Max) be worth decline obviously, show suitable raising dyeing temperature, also can play and improve the inhomogeneity effect of DYED FABRICS color and luster.
Table 4 also shows simultaneously, and when 100 ℃ were brought up to 120 ℃, obviously increasing appearred in the surperficial color depth value (K/S) of fabric with tinction; And when continuing rising dyeing temperature to 130 ℃, reducing appears in the surperficial color depth value (K/S) of fabric.Owing to suitably improve dyeing temperature, help the motion of fiber macromolecular chain segment, increased the accessibility of dyestuff, dye in intrastitial diffusion thereby also improved dyestuff.But owing to dye on the dyestuff is exothermic process, so continue the raising that the rising dyeing temperature does not utilize the dyestuff dye-uptake on the contrary.
Present embodiment adopts disperse scarlet S-BWFL (Disperse C.I.Red74, o.m.f are 0.2%) that (50D/50D low-elasticity terylene fibre, 84.0g/m are spun in terylene spring Asia
2), the processing of dyeing; Dyeing condition is that 20MPa supercritical carbon dioxide fluid, dyeing temperature are respectively 130, the fabric in rope form circulation rate is 56m/min, and dyeing fluid circular flow is respectively 30L/min, and dyeing time is 20min, 60min, 300min.
Press the method for embodiment 1, the processed that under above-mentioned different time condition, dyes is respectively spun in terylene spring Asia, its concrete steps are said with other condition such as embodiment 1.
Table 5 is to adopt the described method of present embodiment, terylene spring Asia is spun the experimental result that adopts disperse scarlet S-BWFL (o.m.f is 0.2%) under the different time condition, to dye and process.
Table 5
Can see that by the data shown in the table 5 even in the shorter dyeing time of 20min, fabric still can obtain even dyeing effect preferably; And when extending to 60min along with dyeing time, the standard deviation of each K/S of sample point place value and sample mean further reduces on the DYED FABRICS, can obtain desirable color and luster uniformity on the fabric; When dyeing time continues to extend to 300min, its δ (λ
Max=510nm) value changes less.This shows that proper extension dyeing time within the specific limits can help improving the level-dyeing property of fabric.And bigger increase appearred when extending to 60min with dyeing time by 20min in the surperficial color depth value of DYED FABRICS, and when continuing to prolong dyeing time, fabric face color depth value increases less, and this shows that dyeing time has been tending towards the dyeing equilibrium state behind 60min.Because the proper extension dyeing time, help on the fiber moving of dyestuff and dye, and the fiber surface absorbing dye fully spreads and set to fibrous inside, thereby its level-dyeing property and surperficial color depth value can further improve.
Can find out that by the foregoing description the present invention is arranged in the dyeing kettle owing to carrying the cloth wheel system, and drives the fabric in rope form shuttling movement jointly through the draw of selvage guide rope; Saved complicated nozzle system; Thereby shortened fabric shuttling movement loop, and alleviated the load of circulating pump, can effectively reduce device fabrication cost and system sealing and designing requirement; And help realizing middle-size and small-sizeization of change system having improved its practicality and durability.The suitable fabrics variety range of device systems is wide simultaneously, is particularly suitable for the supercritical fluid rope form piece dyeing dyeing of light and thin type and yielding textiles again.Colouring method provided by the invention in addition and reasonable control each item dyeing have also improved the uniformity of fabric processing.Thereby compared with prior art, of the present invention is the rope dyeing machine and the colouring method of medium with the supercritical carbon dioxide fluid, has more practicality, and its design, manufacturing and use are more easy, thereby its application prospect is more wide.
Claims (6)
1. one kind is the fabrics in roped form dyeing machine of medium with the supercritical carbon dioxide fluid; It comprises supercritical fluid dyeing caldron, dyeing fluid circulating system, it is characterized in that: described supercritical fluid dyeing caldron comprises kettle (1), carries cloth apparatus, cloth storage trough and selvage guide rope (5); Kettle (1) is horizontal cylindrical shape high pressure dyeing still; In the chamber of kettle (1), the centre is provided with pyriform separate mesh (11); Carry cloth apparatus and comprise that carrying cloth takes turns (7) and fabric guide roll (6), carry cloth wheel (7) and be located at the top in kettle (1) chamber, fabric guide roll (6) is arranged on a side of carrying cloth wheel (7) side-lower, pyriform separate mesh (11); Cloth storage trough comprises horizontal separate mesh (8), accepts webmaster (10), pyriform separate mesh (11) bottom and undaform draw the space that cloth passage (9) is formed; Laterally separate mesh (8) is arranged on a side of pyriform separate mesh (11); Undaform draws the opposite side that cloth passage (9) is located at pyriform separate mesh (11), accepts the bottom that webmaster (10) is located at kettle (1); Kettle (1) is provided with gathering hole (4) and observation window (3); The top of kettle is provided with fluid inlet (39), and the below of kettle is provided with fluid issuing (40), and fluid inlet (39) is connected with the dyeing fluid circulating system through pipeline respectively with fluid issuing (40); Described selvage guide rope (5) is end to end annular pallial siphuncle; Depended on selvage guide rope (5) by the dyeing and weaving thing and form fabric in rope form; Selvage guide rope (5) is through carrying cloth wheel (7) and fabric guide roll (6); Traction kettle bottom is accepted fabric in rope form in the webmaster (10) and is got into undaform and draw cloth passage (9), and what get into the kettle bottom again accepts webmaster (10), shuttling movement about selvage guide rope (5) and fabric in rope form are done in kettle.
2. according to claim 1 a kind of be the fabrics in roped form dyeing machine of medium with the supercritical carbon dioxide fluid, it is characterized in that: described selvage guide rope (5), its annular length is adjustable, shape of cross section is circular, ellipse or other mellow and full shape of profile.
3. according to claim 1 a kind of be the fabrics in roped form dyeing machine of medium with the supercritical carbon dioxide fluid, it is characterized in that: described cloth wheel (7) and the fabric guide roll (6) carried, carrying cloth wheel (7) is driving wheel, fabric guide roll (6) is a driven voller.
4. a method of utilizing the described dyeing machine of claim 1 to carry out with the supercritical carbon dioxide fluid to be the fabrics in roped form dyeing of medium is characterized in that comprising the steps:
(1) will by dyeing and weaving thing one end with the rope form form fix on the selvage guide rope, under the traction of the active role of carrying cloth wheel and selvage guide rope, wear cloth and advance cloth;
(2) will be sewed up from beginning to end by the dyeing and weaving thing, form ring-type;
(3) behind the airtight dyeing caldron whole coloring system is carried out emptying; Adopt force (forcing) pump to the coloring system supercharging; At the fluid circular flow is in the supercritical carbon dioxide fluid medium of 1L/min～500L/min, is depended on the selvage guide rope by the dyeing and weaving thing and forms fabric in rope form, and the selvage guide rope is through carrying cloth wheel and fabric guide roll; The fabric in rope form entering undaform that accept in the webmaster traction kettle bottom draws the cloth passage; Get into the webmaster of accepting of kettle bottom again, selvage guide rope and fabric in rope form are made shuttling movement up and down with the cloth of 2m/min～200m/min speed in kettle, to the fabric processing of dyeing.
5. according to claim 4 a kind of be the fabrics in roped form colouring method of medium with the supercritical carbon dioxide fluid, it is characterized in that: the dyeing temperature in the dyeing caldron is 100 ℃～160 ℃, and pressure is 9 MPa～30Mpa.
6. according to claim 4 a kind of be the fabrics in roped form colouring method of medium with the supercritical carbon dioxide fluid, it is characterized in that: to fabric time of handling of dyeing be 20 min～300min.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103806234A (en) * | 2014-02-25 | 2014-05-21 | 中国科学院福建物质结构研究所 | Supercritical CO2 anhydrous rotating warp beam horizontal type dyeing kettle and dyeing system thereof |
| CN104652065A (en) * | 2015-03-06 | 2015-05-27 | 嘉兴斯威德绒面超纤有限公司 | Rope-like dyeing machine |
| CN106595261A (en) * | 2016-12-12 | 2017-04-26 | 顾正娣 | Fabric drying device and drying method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105088596A (en) * | 2014-05-21 | 2015-11-25 | 张棋龙 | Dyeing process control method of rope type cloth dyeing machine |
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| CN106595261B (en) * | 2016-12-12 | 2019-01-11 | 顾正娣 | A kind of fabric drying device and drying means |
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| CN102747566B (en) | 2014-07-02 |
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Application publication date: 20121024 Assignee: Siyang Zhonglian Textile Technology Co Ltd Assignor: Soochow University Contract record no.: 2015320010017 Denomination of invention: Fabric rope shaped dyeing machine and dyeing method by using supercritical carbon dioxide fluid as medium Granted publication date: 20140702 License type: Exclusive License Record date: 20150312 |
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Effective date of registration: 20210119 Address after: 215000 211 Gongtang Road, Luzhi Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: Zhongke Shouwang waterless dyeing intelligent equipment (Suzhou) Co.,Ltd. Address before: 215123 No. 199 benevolence Road, Suzhou Industrial Park, Jiangsu, Suzhou Patentee before: Suzhou University |
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