CN104195854A - Dyeing and finishing process with zero emission - Google Patents
Dyeing and finishing process with zero emission Download PDFInfo
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- CN104195854A CN104195854A CN201410459993.9A CN201410459993A CN104195854A CN 104195854 A CN104195854 A CN 104195854A CN 201410459993 A CN201410459993 A CN 201410459993A CN 104195854 A CN104195854 A CN 104195854A
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- finishing agent
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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
- D06B21/00—Successive treatments of textile materials by liquids, gases or vapours
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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
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
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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
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
- D06B3/18—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines
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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
- D06B5/00—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating
- D06B5/02—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through moving materials of indefinite length
- D06B5/08—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through moving materials of indefinite length through fabrics
Abstract
The invention discloses a dyeing and finishing process with zero emission. The process comprises the following steps: adsorbing dye in a special dye liquor with certain temperature on to-be-processed fabric in manners of padding, spraying, transferring and the like, then putting the to-be-processed fabric into a supercritical dynamic dyeing kettle to carry out supercritical dynamic dyeing on the to-be-processed fabric, and taking out the to-be-processed fabric after dyeing. The dyeing and finishing process with zero emission has the advantages that as the dye liquor used in the dyeing and finishing process only contains the dye and water, the residual dye liquor remaining after the to-be-processed fabric is processed can be easily processed, water does not need to be utilized again in the dyeing process, and no sewage is generated; moisture on the to-be-processed fabric is evaporated in a high-temperature environment in the dyeing process, and is discharged out of a device after dyeing is ended, thereby achieving zero emission of sewage.
Description
Technical field
The present invention relates to a kind of dyeing and finishing technology of zero-emission, particularly supercritical carbon dioxide dyeing and finishing technology, belongs to field of printing and dyeing.
Background technology
Traditional dyeing and finishing industry water is seriously polluted, strong to the destruction of environment, and government puts into effect multinomial laws and regulations and administers the pollution problem in dyeing at present, though each enterprise has also taked some to pollute the measure of processing, actual effect is still not ideal enough.
1991, German Jasper company cooperated with textile research center, German northwest, has manufactured the supercritical CO 2 dyeing machine of first semi-industrial scale.From then on, more and more interested to this technology, works out multiple model machine in succession in the world.Also there are being some inventions and creation in China aspect supercritical CO 2 dyeing technical research, but all concentrates on little, middle model machine, and the equipment and process that can meet suitability for industrialized production demand is still blank at present.
Present all supercritical CO 2 dyeing techniques are all simple dyeing, and could not make high equipment effect single in conjunction with the rear arrangement to pending fabric, and efficiency is lower.
The supercritical CO 2 dyeing technique of studying is at present all that pending fabric is placed in dyeing caldron, utilizes after the dyestuff in supercritical carbon dioxide dissolving dye still circulation to flow in dyeing caldron and dyes.If publication number is the Chinese invention patent of CN200510136782.2, CN200610123055.7, CN10107815, CN200510047767.0 and CN201010159727.6 etc.These inventions are all to rely on the forced circulation of circulating pump to drive the dyestuff being dissolved in supercritical carbon dioxide to penetrate fabric to realize dyeing.Therefore, in dyeing course, be vulnerable to circulating path, circular flow and the flow velocity of device, various factors such as the uniformity of circulation, dyestuff dissolving situations, thereby cause pending level-dyeing property of fabric to reduce.
In addition, present studied supercritical CO 2 dyeing technique is all used supercritical carbon dioxide dissolving dye, then with supercritical carbon dioxide fluid, circulates to reach the object of dyeing.This has not only limited the scope of application of supercritical CO 2 dyeing technology, and this technique need to be used pressure more than 25MP, makes equipment cost high.
Summary of the invention
The dyeing and finishing technology that the object of this invention is to provide a kind of zero-emission, can realize sewage zero-discharge, can improve supercritical CO 2 dyeing level-dyeing property, can reduce equipment cost to meet suitability for industrialized production required, and can carry out after certain arranging to pending fabric.
The present invention reaches the technical scheme that above object adopts to be: by the special solution with uniform temperature by padding, the mode such as spraying, transfer is adsorbed on pending fabric dyestuff, finishing agent or both mixtures in solution, then the pending fabric of handling well is placed in supercritical carbon dioxide dynamic coloring still and carries out supercritical carbon dioxide treatment, finish dealing with and take out pending fabric.
The dyeing and finishing technology of zero-emission of the present invention, the concrete steps of its technique are as follows:
(1) obtain solution, requires to select suitable dyestuff according to the color of pending fabric, according to the arrangement of pending fabric, requires to select suitable finishing agent, uses the water of 30-100 ℃ to prepare uniform solution;
(2) process pending fabric, by the mode of padding, spray, shifting, make the mixed liquor of dye liquor, dressing liquid, dye liquor and dressing liquid be adsorbed in pending fabric, the liquid carrying rate that makes pending fabric is 10-100%;
(3) overcritical dynamic process, the pending fabric of handling well is placed in overcritical dynamic coloring still, utilize the swelling action of supercritical carbon dioxide to fiber, make in the fiber of pending fabric and interfibrous aperture increases, be beneficial to the dyestuff, finishing agent or both mixtures that are adsorbed in pending fabric face and spread in the fiber of pending fabric; And by the rotation of the tumbler in overcritical dynamic coloring still, accelerate dyestuff, finishing agent or both mixtures in the intrastitial diffusion of pending fabric;
(4) use the pressure of 8-20MP, the temperature of 40-200 ℃, carries out the overcritical dynamic process of 5-120min, after processing finishes, takes out pending fabric.
Further, the dyestuff in described step (1) is one or several in various dyestuffs, various dyestuff filter cake.
Further, the pending fabric in described step (1) is the blended product of chemical fibre goods, natural fibre products, chemical fibre and natural fabric, carried out a kind of in said products that dyeing arranges.
Further, the finishing agent in described step (1) is one or several in soft finishing agent, three-proof finishing agent, antibacterial finishing agent, antiflaming finishing agent, water-proof aagent, anti oil agent, anti-contamination finishing agent, Aroma finishing agent, anti-ultraviolet finishing agent, antistatic finishing agent, anti-mite finishing agent, moisture control agent, hydrophilic finishing agent, resin finishing agent, fluffy finishing agent, crease proofing agent, functional finish, ecological finishing agent.
What further, the solution in described step (1) can be in the mixed liquor of dye liquor, dressing liquid, dye liquor and dressing liquid is a kind of.
Further, the pending fabric of handling well in described step (3) can be through the circular treatment of step (1) and step (2) at least one times.
The process to step (4) through a step (1) at least while further, processing a kind of pending fabric; Process through a step (1) to step (4), and the technique that in step (1), solution is dye liquor is dyeing one-step method; Process through a step (1) to step (4), and the technique that in step (1), solution is dressing liquid is for arranging one-step method; Process through step 1 to step (4), and in step (1), solution is that the technique of the mixed liquor of dye liquor and dressing liquid arranges one-step method for dyeing; Technique through twice and above step (1) to step (2) or step (1) to the process of step (4) arranges multistep processes for dyeing.
In described step 1, solution only contains dyestuff, finishing agent and water, uses reasonable process that the solution of processing pending fabric can be utilized completely, does not need to recycle water in dyeing course, can not produce sewage.The moisture of being with on pending fabric is evaporated under the environment of high temperature in dyeing course, and dyeing finishes rear discharger.Therefore can reach sewage zero-discharge.In step (1), the temperature of solution approaches the required temperature of pending fabric treating technique, make in pending fabric in supercritical carbon dioxide treatment process, in, the temperature everywhere such as outer, upper and lower is consistent, avoided the error between sample and full-page proof, improve the one-time success rate of technique, also guaranteed the uniformity of processing simultaneously.
Described dyestuff, finishing agent or both mixtures have been adsorbed on pending fabric in step 2, dissolve, also without circulating in dyeing course without use supercritical carbon dioxide; (1) circulating path, circular flow and the flow velocity of device have been avoided being vulnerable to, the various factors such as the uniformity of circulation, dyestuff dissolving situation have guaranteed the uniformity of processing in dyeing course; (2) reduce the requirement of technique to pressure, thereby equipment cost is greatly reduced, met the demand of suitability for industrialized production; (3) avoid the pollution of dyestuff to pipeline and still wall, made cleaning and colour changing easy; (4) reduced the time of dyeing.
The invention has the beneficial effects as follows: (1) this dyeing and finishing technology dyestuff utilization be mainly that supercritical carbon dioxide is not only the solubility property to dyestuff to the swelling action of fiber; Therefore, natural fabric does not need that fiber or dyestuff are carried out to modification and just can dye; (2) the overcritical dynamic coloring that this dyeing and finishing technology relates to is that tumbler is installed in warp beam, starts tumbler in dyeing course, and the supercritical carbon dioxide fluid in dyeing caldron is circulated in still, reaches the object of carrying out dynamic coloring in airtight still; (3) this dyeing and finishing technology can carry out for the fibre arranging through dyeing Xiu Se and after arrange and process; (4) this dyeing and finishing technology is dissolved into the step of rear arrangement in supercritical dyeing process, has shortened pending fabric finishing flow process, and energy efficient makes the functional diversities of supercritical dyeing equipment simultaneously, has improved the utilization rate of equipment.
The specific embodiment
Embodiment 1
For better explanation the object, technical solutions and advantages of the present invention, the pure cotton knitting cloth of usining below adopt the present invention to carry out the dyeing and finishing technology of zero-emission as a kind of specific embodiment, the invention will be further described.
(1) obtain solution, requires to use the water obtain solution of 30 ℃ according to the dyeing of pure cotton knitting cloth; (2) process pending fabric, by the mode of padding, make Dye Adsorption in pending fabric; After processing, the liquid carrying rate of terylene woven fabric is 50%; (3) supercritical carbon dioxide treatment, is arranged in the pure cotton knitting of handling well in supercritical carbon dioxide dynamic coloring still and carries out supercritical carbon dioxide treatment; Treatment conditions are: temperature: 40 ℃, and pressure: 16MP, time: 120min; (4) processing finishes, and takes out pending fabric.
Specific embodiment 2
For better explanation the object, technical solutions and advantages of the present invention, the resistance polyester fiber knitting fabric of usining below adopt the present invention to carry out the dyeing and finishing technology of zero-emission as a kind of specific embodiment, the invention will be further described.
(1) obtain solution, requires to use the water obtain solution of 100 ℃ according to the arrangement of resistance polyester fiber knitting fabric; (2) process pending fabric, the mixture of mode finishing agent by spraying is adsorbed in pending fabric.After processing, the liquid carrying rate of resistance polyester fiber knitting fabric is 40%; (3) supercritical carbon dioxide treatment, is arranged in the polyester knitting of handling well in overcritical dynamic coloring still and carries out supercritical carbon dioxide treatment.Treatment conditions are: temperature: 200 ℃, and pressure: 20MP, time: 15min; (4) processing finishes, and takes out pending fabric.
Specific embodiment 3
For better explanation the object, technical solutions and advantages of the present invention, the terylene woven fabric of usining below adopt the present invention to carry out the dyeing and finishing technology of zero-emission as a kind of specific embodiment, the invention will be further described.
(1) obtain solution, requires to use the water obtain solution of 100 ℃ according to the dyeing of terylene woven fabric and arrangement; (2) process pending fabric, by the mode spraying, make the mixture of dyestuff and finishing agent be adsorbed in pending fabric.After processing, the liquid carrying rate of terylene woven fabric is 30%; (3) supercritical carbon dioxide treatment, is placed in the terylene woven fabric of handling well in overcritical dynamic coloring still and carries out supercritical carbon dioxide treatment.Treatment conditions are: temperature: 135 ℃, and pressure: 20MP, time: 40min; (4) processing finishes, and takes out pending fabric.
Specific embodiment 4
For better explanation the object, technical solutions and advantages of the present invention, the terylene woven fabric of usining below adopt the present invention to carry out the dyeing and finishing technology of zero-emission as a kind of specific embodiment, the invention will be further described.
(1) obtain solution, requires to use the water obtain solution of 100 ℃ according to the dyeing of terylene woven fabric; (2) process pending fabric, by the mode spraying, make dyestuff 1 be adsorbed in pending fabric.After processing, the liquid carrying rate of terylene woven fabric is 20%; (3) obtain solution, requires to use the water obtain solution of 100 ℃ according to the dyeing of terylene woven fabric; (4) process pending fabric, by the mode spraying, make dyestuff 2 be adsorbed in pending fabric.After processing, the liquid carrying rate of terylene woven fabric is 30%; (5) supercritical carbon dioxide treatment, is placed in the terylene woven fabric of handling well in overcritical dynamic coloring still and carries out supercritical carbon dioxide treatment.Treatment conditions are: temperature: 135 ℃, and pressure: 20MP, time: 40min; (6) processing finishes, and takes out pending fabric.
Specific embodiment 5
For better explanation the object, technical solutions and advantages of the present invention, the resistance polyester fiber knitting fabric of usining below adopt the present invention to carry out the dyeing of zero-emission as a kind of specific embodiment, the invention will be further described.
(1) obtain solution, requires to use the water obtain solution of 100 ℃ according to the dyeing of resistance polyester fiber knitting fabric; (2) process pending fabric, by the mode spraying, make Dye Adsorption in pending fabric.After processing, the liquid carrying rate of resistance polyester fiber knitting fabric is 10%; (3) supercritical carbon dioxide treatment, is arranged in the polyester knitting of handling well in overcritical dynamic coloring still and carries out supercritical carbon dioxide treatment.Treatment conditions are: temperature: 135 ℃, and pressure: 8MP, time: 30min; (4) processing finishes, and takes out pending fabric; (5) obtain solution, requires to use the water obtain solution of 100 ℃ according to the arrangement of resistance polyester fiber knitting fabric; (6) process pending fabric, by the mode spraying, make finishing agent be adsorbed in pending fabric.After processing, the liquid carrying rate of resistance polyester fiber knitting fabric is 40%; (7) supercritical carbon dioxide treatment, is arranged in the polyester knitting of handling well in overcritical dynamic coloring still and carries out supercritical carbon dioxide treatment.Treatment conditions are: temperature: 135 ℃, and pressure: 20MP, time: 10min; (8) processing finishes, and takes out pending fabric.
Specific embodiment 6
For better explanation the object, technical solutions and advantages of the present invention, the terylene woven fabric of usining below adopt the present invention to carry out the dyeing of zero-emission as a kind of specific embodiment, the invention will be further described.
(1) obtain solution, requires to use the water obtain solution of 100 ℃ according to the dyeing of terylene woven fabric; (2) process pending fabric, by the mode shifting, make Dye Adsorption in pending fabric.After processing, the liquid carrying rate of terylene woven fabric is 50%; (3) supercritical carbon dioxide treatment, is placed in the terylene woven fabric of handling well in overcritical dynamic coloring still and carries out supercritical carbon dioxide treatment.Treatment conditions are: temperature: 135 ℃, and pressure: 8MP, time: 30min; (4) processing finishes, and takes out pending fabric; (5) obtain solution, requires to use the water obtain solution of 100 ℃ according to the arrangement of terylene woven fabric; (6) process pending fabric, by the mode spraying, make finishing agent 1 be adsorbed in pending fabric.After processing, the liquid carrying rate of terylene woven fabric is 20%; (7) supercritical carbon dioxide treatment, is placed in the terylene woven fabric of handling well in overcritical dynamic coloring still and carries out supercritical carbon dioxide treatment.Treatment conditions are: temperature: 110 ℃, and pressure: 20MP, time: 10min; (8) processing finishes, and takes out pending fabric; (9) obtain solution, requires to use the water obtain solution of 100 ℃ according to the arrangement of terylene woven fabric; (10) process pending fabric, by the mode spraying, make finishing agent 2 be adsorbed in pending fabric.After processing, the liquid carrying rate of terylene woven fabric is 30%; (11) supercritical carbon dioxide treatment, is placed in the terylene woven fabric of handling well in overcritical dynamic coloring still and carries out supercritical carbon dioxide treatment.Treatment conditions are: temperature: 200 ℃, and pressure: 18MP, time: 5min; (12) processing finishes, and takes out pending fabric.
Last institute should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention but not limiting the scope of the invention; although the present invention is explained in detail with reference to embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement technical scheme of the present invention, and not depart from essence and the scope of technical solution of the present invention.
Claims (7)
1. a dyeing and finishing technology for zero-emission, is characterized in that processing step is as follows:
(1) obtain solution, requires to select suitable dyestuff according to the color of pending fabric, according to the arrangement of pending fabric, requires to select suitable finishing agent, uses the water of 30-100 ℃ to prepare uniform solution;
(2) process pending fabric, by the mode of padding, spray, shifting, make the mixed liquor of dye liquor, dressing liquid, dye liquor and dressing liquid be adsorbed in pending fabric, the liquid carrying rate that makes pending fabric is 10-100%;
(3) overcritical dynamic process, the pending fabric of handling well is placed in overcritical dynamic coloring still, utilize the swelling action of supercritical carbon dioxide to fiber, make in the fiber of pending fabric and interfibrous aperture increases, be beneficial to the dyestuff, finishing agent or both mixtures that are adsorbed in pending fabric face and spread in the fiber of pending fabric; By the rotation of the tumbler in overcritical dynamic coloring still, accelerate dyestuff, finishing agent or both mixtures in the intrastitial diffusion of pending fabric;
(4) use the pressure of 8-20MP, the temperature of 30-200 ℃, carries out the overcritical dynamic process of 5-120min; Processing finishes the pending fabric of rear taking-up.
2. the dyeing and finishing technology of a kind of zero-emission according to claim 1, is characterized in that: the dyestuff in described step (1) is one or several in various dyestuffs, various dyestuff filter cake.
3. the dyeing and finishing technology of a kind of zero-emission according to claim 1, is characterized in that: the pending fabric in described step (1) is the blended product of chemical fibre goods, natural fibre products, chemical fibre and natural fabric, carried out a kind of in said products that dyeing arranges.
4. the dyeing and finishing technology of a kind of zero-emission according to claim 1, is characterized in that: the finishing agent in described step (1) is one or several in soft finishing agent, three-proof finishing agent, antibacterial finishing agent, antiflaming finishing agent, water-proof aagent, anti oil agent, anti-contamination finishing agent, Aroma finishing agent, anti-ultraviolet finishing agent, antistatic finishing agent, anti-mite finishing agent, moisture control agent, hydrophilic finishing agent, resin finishing agent, fluffy finishing agent, crease proofing agent, functional finish, ecological finishing agent.
5. the dyeing and finishing technology of a kind of zero-emission according to claim 1, is characterized in that: what the solution in described step (1) can be in the mixed liquor of dye liquor, dressing liquid, dye liquor and dressing liquid is a kind of.
6. the dyeing and finishing technology of a kind of zero-emission according to claim 1, is characterized in that: the pending fabric of handling well in described step (3) can be through the circular treatment of step (1) and step (2) at least one times.
7. the dyeing and finishing technology of a kind of zero-emission according to claim 1, is characterized in that: the process to step (4) through a step (1) at least while processing a kind of pending fabric; Process through a step (1) to step (4), and the technique that in step (1), solution is dye liquor is dyeing one-step method; Process through a step (1) to step (4), and the technique that in step (1), solution is dressing liquid is for arranging one-step method; Process through step 1 to step (4), and in step (1), solution is that the technique of the mixed liquor of dye liquor and dressing liquid arranges one-step method for dyeing; Technique through twice and above step (1) to step (2) or step (1) to the process of step (4) arranges multistep processes for dyeing.
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| CN201410459993.9A CN104195854A (en) | 2014-09-11 | 2014-09-11 | Dyeing and finishing process with zero emission |
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Cited By (7)
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| CN104452039A (en) * | 2014-12-17 | 2015-03-25 | 佛山市南方纺织质量技术服务有限公司 | Moisture absorbing and sweat releasing uvioresistant fabric |
| CN105177769A (en) * | 2015-10-21 | 2015-12-23 | 东华大学 | High-power drafting flame-retardant post-processing method for high-tenacity polyester in supercritical CO2 |
| CN106049061A (en) * | 2016-05-24 | 2016-10-26 | 罗莱生活科技股份有限公司 | Kitchen textile and production method thereof |
| CN106859265A (en) * | 2017-02-24 | 2017-06-20 | 青岛优渡环保科技有限公司 | A kind of grease proofing, antifouling, waterproof curtain being made up of macromolecular material and its processing technology |
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| WO2019205297A1 (en) * | 2018-04-27 | 2019-10-31 | 青岛即发集团股份有限公司 | Supercritical co2 dyeing method and dyeing system |
| CN115142276A (en) * | 2021-03-31 | 2022-10-04 | 财团法人纺织产业综合研究所 | Double-side uniform dyeing method of textile and multi-color yarn manufactured by using same |
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Cited By (9)
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| CN104452039A (en) * | 2014-12-17 | 2015-03-25 | 佛山市南方纺织质量技术服务有限公司 | Moisture absorbing and sweat releasing uvioresistant fabric |
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| CN115142276A (en) * | 2021-03-31 | 2022-10-04 | 财团法人纺织产业综合研究所 | Double-side uniform dyeing method of textile and multi-color yarn manufactured by using same |
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Application publication date: 20141210 |