CN105755711A - Supercritical CO2 waterless staining dye pot and waterless staining method - Google Patents
Supercritical CO2 waterless staining dye pot and waterless staining method Download PDFInfo
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- CN105755711A CN105755711A CN201610287791.XA CN201610287791A CN105755711A CN 105755711 A CN105755711 A CN 105755711A CN 201610287791 A CN201610287791 A CN 201610287791A CN 105755711 A CN105755711 A CN 105755711A
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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
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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
- 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
- D06B23/14—Containers, e.g. vats
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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
- 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
-
- 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, distillation
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coloring (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention provides a supercritical CO2 waterless staining dye pot and a waterless staining method. The supercritical CO2 waterless staining dye pot comprises a dye pot body and is characterized in that the dye pot body comprises at least two dye cylinders and a chassis, wherein each dye cylinder comprises a cylindrical shell and a top cover; the top cover is mounted at the upper end of the cylindrical shell; a metal mesh layer for placing of dyes is arranged at a lower part of the cylindrical shell, and a filter layer for filtering undissolved dyes is arranged at the upper part of the cylindrical shell; diversion holes are formed in the chassis; a rotary blocking piece for blocking the diversion holes is arranged on the bottom surface of the chassis; the lower end of the dye cylinder is mounted at a position of the diversion hole in the top surface of the chassis; inner cavities of the dye cylinders are respectively communicated with corresponding diversion holes. According to the invention, the phenomena of uneven color and staining in a waterless staining process are reduced; purposes that all dyes do not pollute each other and the amount of dye is controllable are achieved.
Description
Technical field
The invention belongs to new dyeing technical field, specifically a kind of supercritical CO2Non-aqueous dyeing dyestuff still and non-aqueous dyeing method.
Background technology
In traditional dyeing course, we generally adopt and use water as main medium.The sustainable development of environment all can be caused bad impact by the chemical substances such as substantial amounts of dyestuff, surfactant.Additionally, process such as the sewage needs that dyeing is discharged are neutralized, sedimentations, it is required for spending substantial amounts of manpower and materials.According to incompletely statistics, China's textile printing and dyeing industry year water consumption reaches 1,700,000,000 tons, and the discharge of sewage reaches 1,600,000,000 tons.And in recent years, the further development of the restriction dyeing and finishing industry that the problem such as the water resource critical shortage of China's most area, particularly sewage discharge is serious.It is therefore prevented that pollute, the effective dyeing of developing green, become the correct direction of following dyeing and finishing.
In recent years, a kind of novel green staining method supercritical CO2Non-aqueous dyeing brings new dawn to following dyeing and finishing industry.The excellent features such as this technology has high efficiency due to it, pollution-free, and dyeing time is short, enjoy parent to rely.This technology adopts supercritical CO2As dyeing medium, at CO2Heated temperature is more than 31 DEG C, when pressure is more than 7.3MPa, now becomes the state above-critical state of a kind of non-liquid of non-gas.Then suppressed by circulating pump and constantly circulate between fuel tank and dyeing pot, CO2The dyestuff of dissolving is delivered to the hole of fiber, makes dyestuff contaminate evenly and rapidly above fabric, the process that whole process need not be cleaned, be dried.Current many countries all this have energy-saving and emission-reduction, widely applicable novel green equipment for dyeing and finishing developing of making great efforts, it is intended to realized industrialization, practical.
But, as an emerging dyeing industrial equipment, requisite in actual production process there is various problem.In existing supercritical dyeing system, dyeing installation can only successfully contaminate single single color, such as: red, yellow, blue etc., but to introduce, for one, the equipment carrying out large-scale production to the market, and it is essential that dyeing installation to realize multiple dyestuff union dyeing.But this wherein there is also many problems: 1. different dyestuffs is at supercritical CO2In dissolubility be different, when 120 degrees Celsius, disperse red dissolubility when pressure is 24 MPas is 2.5/ molar fraction × 106, but disperse blue dissolubility at that same temperature is up to 17.9/ molar fraction × 106.So, if simply both dyestuffs being mixed, will result in by the pattern of dyeing and weaving thing.
For the problems referred to above that prior art exists, how to design a kind of for supercritical CO2The dyestuff still of non-aqueous dyeing and non-aqueous dyeing method, reduce pattern, uneven dyeing phenomenon in non-aqueous dyeing process, and this is technical problem urgently to be resolved hurrily at present.
Summary of the invention
The present invention is to solve that prior art exists is the problems referred to above, it is provided that a kind of supercritical CO2Non-aqueous dyeing dyestuff still and non-aqueous dyeing method, reduce the pattern, the uneven dyeing phenomenon that occur in non-aqueous dyeing process, it is achieved the purpose that various dyestuffs do not pollute mutually and dye dosage is controlled.
It is an object of the invention to be achieved through the following technical solutions:
A kind of supercritical CO2Non-aqueous dyeing dyestuff still, including dyestuff still body, it is characterized in that, described dyestuff still body includes at least 2 dyestuff cylinders and chassis, described dyestuff cylinder includes cylindrical case, top cover, described top cover is installed in described cylindrical case upper end, bottom in described cylindrical case arranges the metal net layer placing dyestuff, top arranges the filter course filtering non-dissolving dye, described chassis has tap hole, the bottom surface on described chassis is arranged to block the rotation matte of described tap hole, the lower end of described dyestuff cylinder is arranged on the tap hole position on described chassis face, each described dyestuff tube inner chamber connects with corresponding tap hole respectively.
Improvement to technique scheme: described chassis is disc, described dyestuff cylinder is cylindrical shape, described dyestuff cylinder has 4, described dyestuff cylinder lower port arranges external screw thread, described tap hole is circular hole, described tap hole has 4 and is distributed on described chassis, above-mentioned tap hole inwall arranges female thread, 4 described dyestuff cylinders are inlayed respectively through screw thread and are fixed on the tap hole that described chassis face is corresponding, described rotation matte includes two fanning strips, the tip of described two fanning strips is docking integrally shape, circular hole is offered in the middle of described rotation matte, in the middle of described undersurface of bottom disc, bearing pin is set, described rotation matte passes through middle circular hole kink on described bearing pin.
Further improvement to technique scheme: be provided with rubber sealing between described dyestuff cylinder lower port and the tap hole of described chassis face.
Further improvement to technique scheme: described metal net layer is order number is the nickel screen of 500 orders, described nickel screen is laid polytetrafluoroethylene film.Polytetrafluoroethylene film on nickel screen is placed dyestuff, makes CO2Air-flow both can pass through nickel screen smoothly, again can so that dyestuff and CO2Air-flow is fully contacted.
Further improvement to technique scheme: described filter course is thickness is the polytetrafluoroethylene film of 15-50 micron.Only the dyestuff of dissolved state could pass through, and so ensures that the dyestuff passed through is uniformly dispersed in supercritical CO2In fluid.
Further improvement to technique scheme: it is 100 order fine-structure meshes that the top of described dyestuff cylinder is also equipped with order number.Prevent air-flow too urgent and likely polytetrafluoroethylene film is broken through.
One utilizes above-mentioned supercritical CO2The method that non-aqueous dyeing dyestuff still carries out non-aqueous dyeing, it is characterised in that comprise the steps:
(1) first, well it is respectively placed in the metal net layer in different dyestuff cylinders for the various dyestuffs of supercritical non-aqueous dyeing afterwards by weighing, dyestuff cylinder is fixed on chassis, if chassis has the tap hole taken less than, covers with rotation matte；
(2) the pressurized CO being heated to above-critical state2Enter in chassis from diversion pipeline, and be split into multi beam, being used for dissolving different types of dyestuff, the CO of above-critical state2Arrive equipped with in each dyestuff cylinder of different dyes after each tap hole, air-flow passes through metal net layer, dyestuff and air-flow are fully contacted, only the dyestuff of dissolved state could pass through filter course, so ensure that the dyestuff passed through is uniformly dispersed in supercritical fluid CO 2, when dyestuff is at the CO of above-critical state2In reach capacity after, non-aqueous dyeing can be carried out.
Improvement to technique scheme: cover the size of tap hole by regulating rotation matte, controls to pass through CO by tap hole2Flow, and then control tap hole correspondence dyestuff cylinder inner dye pass through CO2Amount.
The present invention compared with prior art has the advantages that:
1, the dyestuff still body of the present invention includes at least 2 dyestuff cylinders and 1 chassis, and dyestuff cylinder and chassis are the structures mutually inlayed, and so ensures that joint will not reveal generation air flow shortcircuit phenomenon under swiftly flowing fluid, it is ensured that dyestuff and CO2Being fully contacted of fluid, improves dyestuff at CO2Meltage in fluid.
2, the present invention adopts multiple dyestuff cylinder to place different dyes respectively, it is possible to separated by different dyestuffs so that the later stage carries out ensureing that dyestuff quality is not contaminated when dyestuff quantifies.Can reuse, save cost.Present invention can ensure that every kind of dyestuff dissolves ratio appropriately, reduce pattern phenomenon and produce.
3, the present invention devises the rotation matte of regulating flow quantity on chassis, controls the CO2 fluid flow by a certain dyestuff by rotating matte, makes the analysis precision more of experimental data.The more accurate amount of dye used, solves the problem that in tradition non-aqueous dyeing, dye dosage is inaccurate.
4, arranging, in dyestuff cylinder of the present invention, the polytetrafluoroethylene film that thickness is 15-50 micron, only the dyestuff of dissolved state could pass through.Ensure that the dyestuff of only dissolved state gets to yarn bobbin so to greatest extent, decrease the appearance of the phenomenon such as pattern, color dirt.
Accompanying drawing explanation
Fig. 1 is one supercritical CO of the present invention2The structural representation of non-aqueous dyeing dyestuff still；
Fig. 2 is the bottom schematic view on a kind of chassis of the present invention；
Fig. 3 is supercritical CO of the present invention2Non-aqueous dyeing dyestuff still is by the overall structure schematic diagram after dyestuff cylinder and chassis assembling.
In figure, 1-filter course；2-dyestuff cylinder；3-polytetrafluoroethylene film；4-metal net layer；5-dyestuff cylinder lower port；6-chassis；7-rotates matte；8-tap hole.
Detailed description of the invention
Referring to Fig. 1, Fig. 2, one supercritical CO of the present invention2The embodiment of non-aqueous dyeing dyestuff still, including dyestuff still body, dyestuff still body at least includes 2 dyestuff cylinders 2 and 1 chassis 6, dyestuff cylinder 2 includes cylindrical case, top cover, described top cover is installed in cylindrical case upper end, bottom in cylindrical case arranges the placement metal net layer 4 of dyestuff, top arranges the filter course 1 filtering non-dissolving dye, has tap hole 8, be arranged to block the rotation matte 7 of described tap hole on the bottom surface on chassis 6 on chassis 6.The lower end of dyestuff cylinder 2 is arranged on shunting 8 hole site on the end face of chassis 6, and each dyestuff cylinder 2 inner chamber connects with corresponding tap hole 8 respectively.
Specifically: above-mentioned chassis 6 is disc, above-mentioned dyestuff cylinder 2 is cylindrical shape, and dyestuff cylinder 2 has 4, arranges external screw thread in dyestuff cylinder 2 lower port.Above-mentioned tap hole 8 is circular hole, and tap hole 8 has 4 and is distributed on chassis 6, arranges female thread on above-mentioned tap hole 8 inwall.4 dyestuff cylinders 2 are inlayed respectively through screw thread and are fixed on the tap hole 8 that chassis 6 end face is corresponding.Above-mentioned rotation matte 7 includes two fanning strips, the tip of described two fanning strips is docking integrally shape, circular hole is offered in the middle of described rotation matte 7, in the middle of bottom surface, chassis 6, bearing pin is set, matte 7 will be rotated and pass through middle circular hole kink on described bearing pin, rotate matte 7 can rotate, and in position position.
In order to improve sealing, between the tap hole 8 of dyestuff cylinder 2 lower port and chassis 6 end face, it is provided with rubber sealing,.
Above-mentioned metal net layer 4 is order number is the nickel screen of 500 orders, lays one layer of polytetrafluoroethylene film on nickel screen.Polytetrafluoroethylene film on nickel screen is placed dyestuff, makes CO2Air-flow both can pass through nickel screen smoothly, again can so that dyestuff and CO2Air-flow is fully contacted.
The polytetrafluoroethylene film that above-mentioned filter course 1 selects thickness to be 15-50 micron.Only the dyestuff of dissolved state could pass through, and so ensures that the dyestuff passed through is uniformly dispersed in supercritical CO2In fluid.
Being also equipped with order number on the top of dyestuff cylinder 2 is 100 order fine-structure meshes, is used for protecting filter course 1, it is prevented that air-flow too urgent and likely by polytetrafluoroethylene film that filter course 1(thickness is 15-50 micron) break through.
Referring to Fig. 1, Fig. 2, one of the present invention utilizes above-mentioned supercritical CO2Non-aqueous dyeing dyestuff still carries out the detailed description of the invention of the method for non-aqueous dyeing, comprises the steps:
(1) first, it is respectively placed in the metal net layer 4 in different dyestuff cylinders 2 by weighing the good various dyestuffs being used for supercritical non-aqueous dyeing afterwards, dyestuff cylinder 2 is fixed on chassis 6, if chassis 6 has the tap hole 8 taken less than, cover with rotating matte 7；
(2) the pressurized CO being heated to above-critical state2Enter in chassis 6 from diversion pipeline, and be split into multi beam, being used for dissolving different types of dyestuff, the CO of above-critical state2Arrive equipped with in each dyestuff cylinder 2 of different dyes after each tap hole, air-flow passes through metal net layer 4, dyestuff and air-flow are fully contacted, only the dyestuff of dissolved state could pass through filter course 1, so ensure that the dyestuff passed through is uniformly dispersed in supercritical fluid CO 2, when dyestuff is at the CO of above-critical state2In reach capacity after, non-aqueous dyeing can be carried out.
In above-mentioned colouring method, cover the size of tap hole 8 by regulating rotation matte 7, control to pass through CO by tap hole 82Flow, and then control corresponding dyestuff cylinder 2 inner dye of tap hole 8 and pass through CO2Amount.
One of the present invention utilizes above-mentioned supercritical CO2Non-aqueous dyeing dyestuff still carries out the embodiment of the method for non-aqueous dyeing:
Utilize above-mentioned supercritical CO2The method that non-aqueous dyeing dyestuff still carries out non-aqueous dyeing, concretely comprises the following steps: first weighing appropriate disperse dyes indigo plant B79 and the red 167 each 2.6g of disperse dyes, be respectively put in two dyestuff cylinders 2, polytetrafluoroethylene film is sealed up as filter course 1 in top.Dyestuff cylinder 2 is fixed on the end face of chassis 6 tap hole 8 position, adopts and rotate matte 7 and shelter from the tap hole 8 not installing dyestuff cylinder 2.After installing, the bottom on chassis 6 pass into the supercritical CO reaching staining technique parameter2Fluid.Supercritical CO2Fluid flows through the abundant dissolving dye of dyestuff cylinder 2, the polytetrafluoroethylene film that filter course 1(thickness is 15-50 micron through above) filter after enter dyeing caldron.
Placing quality in advance in dyeing caldron is the Polyester Yarns of 800g, and after a period of time, Polyester Yarns is uniformly painted, it does not have pattern phenomenon occurs.Owing to dyestuff does not mix, after dyeing, dyestuff is taken out completely, weigh remaining dyestuff quality, it is possible to the dyestuff yarn ratio of this dyeing is precisely calculated further.
Certainly, described above is not limitation of the present invention, and the present invention is also not limited to the example above; those skilled in the art; in the essential scope of the present invention, made change, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (10)
1. a supercritical CO2Non-aqueous dyeing dyestuff still, including dyestuff still body, it is characterized in that, described dyestuff still body includes at least 2 dyestuff cylinders and chassis, described dyestuff cylinder includes cylindrical case, top cover, described top cover is installed in described cylindrical case upper end, bottom in described cylindrical case arranges the metal net layer placing dyestuff, top arranges the filter course filtering non-dissolving dye, described chassis has tap hole, the bottom surface on described chassis is arranged to block the rotation matte of described tap hole, the lower end of described dyestuff cylinder is arranged on the tap hole position on described chassis face, each described dyestuff tube inner chamber connects with corresponding tap hole respectively.
2. the supercritical CO described in claim 12Non-aqueous dyeing dyestuff still, it is characterized in that, described chassis is disc, described dyestuff cylinder is cylindrical shape, described dyestuff cylinder has 4, described dyestuff cylinder lower port arranges external screw thread, described tap hole is circular hole, described tap hole has 4 and is distributed on described chassis, above-mentioned tap hole inwall arranges female thread, 4 described dyestuff cylinders are inlayed respectively through screw thread and are fixed on the tap hole that described chassis face is corresponding, described rotation matte includes two fanning strips, the tip of described two fanning strips is docking integrally shape, circular hole is offered in the middle of described rotation matte, in the middle of described undersurface of bottom disc, bearing pin is set, described rotation matte passes through middle circular hole kink on described bearing pin.
3. the supercritical CO described in claim 1 or 22Non-aqueous dyeing dyestuff still, it is characterised in that be provided with rubber sealing between described dyestuff cylinder lower port and the tap hole of described chassis face.
4. the supercritical CO described in claim 1 or 22Non-aqueous dyeing dyestuff still, it is characterised in that described metal net layer is order number is the nickel screen of 500 orders, described nickel screen is laid polytetrafluoroethylene film.
5. the supercritical CO described in claim 32Non-aqueous dyeing dyestuff still, it is characterised in that described metal net layer is order number is the nickel screen of 500 orders, described nickel screen is laid polytetrafluoroethylene film.
6. the supercritical CO described in claim 1 or 22Non-aqueous dyeing dyestuff still, it is characterised in that described filter course is thickness is the polytetrafluoroethylene film of 15-50 micron.
7. the supercritical CO described in claim 52Non-aqueous dyeing dyestuff still, it is characterised in that described filter course is thickness is the polytetrafluoroethylene film of 15-50 micron.
8. the supercritical CO described in claim 1 or 22Non-aqueous dyeing dyestuff still, it is characterised in that it is 100 order fine-structure meshes that the top of described dyestuff cylinder is also equipped with order number.
9. one kind utilizes claim 1-8 any one supercritical CO2The method that non-aqueous dyeing dyestuff still carries out non-aqueous dyeing, it is characterised in that comprise the steps:
(1) first, well it is respectively placed in the metal net layer in different dyestuff cylinders for the various dyestuffs of supercritical non-aqueous dyeing afterwards by weighing, dyestuff cylinder is fixed on chassis, if chassis has the tap hole taken less than, covers with rotation matte；
(2) the pressurized CO being heated to above-critical state2Enter in chassis from diversion pipeline, and be split into multi beam, being used for dissolving different types of dyestuff, the CO of above-critical state2Arrive equipped with in each dyestuff cylinder of different dyes after each tap hole, air-flow passes through metal net layer, dyestuff and air-flow are fully contacted, and only the dyestuff of dissolved state could pass through filter course, so ensures that the dyestuff passed through is uniformly dispersed in supercritical CO2In fluid, when dyestuff is at the CO of above-critical state2In reach capacity after, non-aqueous dyeing can be carried out.
10. supercritical CO described in claim 92The method that non-aqueous dyeing dyestuff still carries out non-aqueous dyeing, it is characterised in that cover the size of tap hole by regulating rotation matte, controls to pass through CO by tap hole2Flow, and then control tap hole correspondence dyestuff cylinder inner dye pass through CO2Amount.
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| CN201610287791.XA CN105755711B (en) | 2016-05-04 | 2016-05-04 | Supercritical CO2Non-aqueous dyeing dyestuff kettle and non-aqueous dyeing method |
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Cited By (8)
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| CN106436115A (en) * | 2016-08-19 | 2017-02-22 | 青岛即发集团股份有限公司 | Dye kettle for supercritical CO2 waterless dyeing, and waterless dyeing method |
| CN106637777A (en) * | 2016-11-21 | 2017-05-10 | 大连工业大学 | Dye finishing agent kettle in supercritical carbon dioxide anhydrous dyeing and finishing equipment |
| CN107034691A (en) * | 2016-12-02 | 2017-08-11 | 江苏新瑞贝科技股份有限公司 | A kind of anhydrous gaseous state dyeing process of synthetic fibers |
| CN107460681A (en) * | 2017-08-25 | 2017-12-12 | 梁鼎天 | A kind of supercritical fluid mixed dye kettle |
| CN108823866A (en) * | 2018-07-13 | 2018-11-16 | 青岛即发集团股份有限公司 | A kind of supercritical dyeing dyeing caldron and dyeing installation |
| CN110857489A (en) * | 2018-08-24 | 2020-03-03 | 青岛即发集团股份有限公司 | Supercritical CO2Waterless dyeing compound dye kettle and waterless dyeing method |
| CN114541065A (en) * | 2022-04-02 | 2022-05-27 | 辽宁轻工职业学院 | Supercritical CO of polyester fabric2Artistic dyeing device |
| CN114753167A (en) * | 2022-04-02 | 2022-07-15 | 辽宁轻工职业学院 | Supercritical CO of two disperse dyes of polyester fabric2Art dyeing process |
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| CN107034691A (en) * | 2016-12-02 | 2017-08-11 | 江苏新瑞贝科技股份有限公司 | A kind of anhydrous gaseous state dyeing process of synthetic fibers |
| CN107460681A (en) * | 2017-08-25 | 2017-12-12 | 梁鼎天 | A kind of supercritical fluid mixed dye kettle |
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| CN110857489B (en) * | 2018-08-24 | 2023-12-26 | 青岛即发集团股份有限公司 | Supercritical CO 2 Anhydrous dyeing compound dye kettle and anhydrous dyeing method |
| CN114541065A (en) * | 2022-04-02 | 2022-05-27 | 辽宁轻工职业学院 | Supercritical CO of polyester fabric2Artistic dyeing device |
| CN114753167A (en) * | 2022-04-02 | 2022-07-15 | 辽宁轻工职业学院 | Supercritical CO of two disperse dyes of polyester fabric2Art dyeing process |
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