CN105755711B - Supercritical CO2Non-aqueous dyeing dyestuff kettle and non-aqueous dyeing method - Google Patents
Supercritical CO2Non-aqueous dyeing dyestuff kettle and non-aqueous dyeing method Download PDFInfo
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- CN105755711B CN105755711B CN201610287791.XA CN201610287791A CN105755711B CN 105755711 B CN105755711 B CN 105755711B CN 201610287791 A CN201610287791 A CN 201610287791A CN 105755711 B CN105755711 B CN 105755711B
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- dyestuff
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- aqueous dyeing
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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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coloring (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The present invention provides a kind of supercritical CO2Non-aqueous dyeing dyestuff kettle and non-aqueous dyeing method, including dyestuff kettle body, are characterized in：Dyestuff kettle body includes at least two dyestuff cylinder and chassis, dyestuff cylinder includes cylindrical case, top cover, cylindrical case upper end is installed by top cover, bottom in cylindrical case sets the metal net layer for placing dyestuff, top to set the filter layer of the undissolved dyestuff of filtering, tap hole is provided with chassis, it is provided for blocking the rotation matte of the tap hole on the bottom surface on chassis, the lower end of dyestuff cylinder is arranged on the shunting hole site on chassis face, and each dyestuff tube inner chamber is connected with corresponding tap hole respectively.The pattern occurred during non-aqueous dyeing, uneven dyeing phenomenon are reduced, the purpose that various dyestuffs do not pollute mutually and dye dosage is controllable is realized.
Description
Technical field
The invention belongs to new dyeing technical field, specifically a kind of supercritical CO2Non-aqueous dyeing dyestuff kettle and anhydrous
Colouring method.
Background technology
In traditional dyeing course, we are generally used as main medium using water.Substantial amounts of dyestuff, surfactant
Bad influence can be all caused to the sustainable development of environment etc. chemical substance.In addition, needing to carry out to the sewage of dyeing discharge
The processing such as neutralization, sedimentation, are required for spending substantial amounts of manpower and materials.According to incompletely statistics, China's textile printing and dyeing industry year water consumption
Amount is up to 1,700,000,000 tons, and the discharge of sewage reaches 1,600,000,000 tons.And in recent years, the water resource critical shortage of China's most area is special
The further development for restricting dyeing and finishing industry of the problems such as being not sewage discharge seriously.It is therefore prevented that pollution, exploitation green is effective
Dyeing, the correct direction as following dyeing and finishing.
In recent years, a kind of new green staining method-supercritical CO2Non-aqueous dyeing is to following dyeing and finishing industry band
Dawn is newly carried out.The technology has high efficiency due to it, pollution-free, dyeing time is short etc. it is excellent the characteristics of, enjoy parent to rely.Should
Technology uses supercritical CO2As dyeing medium, in CO2Temperature is heated more than 31 DEG C, when pressure is more than 7.3MPa, this time-varying
Into a kind of state-above-critical state of the non-non- liquid of gas.Then suppressed and constantly followed between fuel tank and dyeing pot by circulating pump
Ring, CO2The dyestuff of dissolving is sent to the hole of fiber, dyestuff is evenly and rapidly contaminated above fabric, whole process need not
Cleaning, the process of drying.Many countries are all this with energy-saving and emission-reduction, widely applicable novel green in the development of effort at present
Equipment for dyeing and finishing, it is intended to realized industrialization, practical.
However, as an emerging dyeing industrial equipment, essential appearance is various in actual production process
Problem.In existing supercritical dyeing system, dyeing installation can only successfully contaminate single single color, such as：It is red, yellow, blue etc.,
But for one will introduce the equipment mass produced to the market, dyeing installation will realize that a variety of dyestuff union dyeing must not
It can lack.But among these there is also it is many problem of：1. different dyestuffs are in supercritical CO2In solubility be it is different,
At 120 degrees Celsius, disperse red solubility when pressure is 24 MPas is 2.5/molar fraction × 106, but disperse blue is in phase
Solubility at same temperature is up to 17.9/molar fraction × 106.So, if both dyestuffs simply are blended in into one
Rise, will cause by the pattern of dyeing and weaving thing.
In view of the above-mentioned problems existing in the prior art, how to design a kind of for supercritical CO2The dyestuff kettle of non-aqueous dyeing
And non-aqueous dyeing method, pattern, uneven dyeing phenomenon during non-aqueous dyeing are reduced, this is that technology urgently to be resolved hurrily at present is asked
Topic.
The content of the invention
The present invention is that there is provided a kind of supercritical CO for above mentioned problem to solve prior art to exist2Non-aqueous dyeing dyestuff kettle
And non-aqueous dyeing method, the pattern occurred during non-aqueous dyeing, uneven dyeing phenomenon are reduced, realizes that various dyestuffs are not mutually dirty
Dye and the controllable purpose of dye dosage.
The purpose of the present invention is achieved through the following technical solutions：
A kind of supercritical CO2Non-aqueous dyeing dyestuff kettle, including dyestuff kettle body, it is characterised in that the dyestuff kettle body
Including at least two dyestuff cylinder and chassis, the dyestuff cylinder includes cylindrical case, top cover, and the cylindrical case upper end is installed described
Bottom in top cover, the cylindrical case sets the metal net layer for placing dyestuff, top to set the filtering of the undissolved dyestuff of filtering
The rotation matte for being provided for blocking the tap hole on tap hole, the bottom surface on the chassis is provided with layer, the chassis, it is described
The lower end of dyestuff cylinder is arranged on the shunting hole site on the chassis face, and each dyestuff tube inner chamber is shunted with corresponding respectively
Hole is connected.
Improvement to above-mentioned technical proposal：The chassis is disc, and the dyestuff cylinder is cylindrical shape, and the dyestuff cylinder has
4, the dyestuff cylinder lower port sets external screw thread, and the tap hole is circular hole, and the tap hole has 4 and is distributed on the bottom
On disk, internal thread is set on above-mentioned tap hole inwall, 4 dyestuff cylinders are inlayed by screw thread be fixed on the chassis respectively
On the corresponding tap hole of top surface, the rotation matte includes two fanning strips, and the tip of two fanning strip is docking integrally shape,
Opened up in the middle of the rotation matte and bearing pin is set in the middle of circular hole, the undersurface of bottom disc, the rotation matte is lived by middle circular hole
It is enclosed on the bearing pin.
Further improvement to above-mentioned technical proposal：Between the dyestuff cylinder lower port and the tap hole of the chassis face
Provided with rubber sealing.
Further improvement to above-mentioned technical proposal：Described metal net layer is the nickel screen that mesh number is 500 mesh, the nickel screen
Upper laying polytetrafluoroethylene film.Dyestuff is placed on polytetrafluoroethylene film on nickel screen, makes CO2Air-flow both can be smoothly
By nickel screen, dyestuff and CO can be caused again2Air-flow is fully contacted.
Further improvement to above-mentioned technical proposal：Described filter layer is the polytetrafluoroethylene (PTFE) that thickness is 15-50 microns
Film.Only the dyestuff of dissolved state could pass through, and so ensure that the dyestuff passed through is uniformly dispersed in supercritical CO2Fluid
In.
Further improvement to above-mentioned technical proposal：The top of the dyestuff cylinder is also equipped with mesh number for 100 mesh fine-structure meshes.It is anti-
Only air-flow is too urgent and be possible to break through polytetrafluoroethylene film.
One kind utilizes above-mentioned supercritical CO2The method that non-aqueous dyeing dyestuff kettle carries out non-aqueous dyeing, it is characterised in that including
Following steps：
（1）First, the good various dyestuffs for being used for supercritical non-aqueous dyeing afterwards will be weighed and is respectively placed in different dyestuffs cylinders
On interior metal net layer, dyestuff cylinder is fixed on chassis, if there is the tap hole taken less than on chassis, covered with rotation matte；
（2）It is heated to the CO of above-critical state2Enter from diversion pipeline in chassis, and be split for multi beam, being used for
Dissolve different types of dyestuff, the CO of above-critical state2Reached after each tap hole in each dyestuff cylinder equipped with different dyes,
Air-flow passes through metal net layer so that dyestuff is fully contacted with air-flow, only the dyestuff of dissolved state could by filter layer,
So ensure that the dyestuff passed through is uniformly dispersed in supercritical fluid CO 2, when dyestuff is in the CO of above-critical state2In reach it is full
Afterwards, you can carry out non-aqueous dyeing.
Improvement to above-mentioned technical proposal：The size of tap hole is covered by adjusting rotation matte, control is by dividing
Discharge orifice passes through CO2Flow, and then control tap hole correspondence dyestuff cylinder inner dye pass through CO2Amount.
The present invention has the advantages that compared with prior art：
1st, dyestuff kettle body of the invention includes at least two dyestuff cylinder and 1 chassis, and dyestuff cylinder is mutually to inlay with chassis
Structure, so ensure joint will not be revealed under swiftly flowing fluid generation air flow shortcircuit phenomenon, it is ensured that dyestuff and CO2Stream
The abundant contact of body, improves dyestuff in CO2Meltage in fluid.
2nd, the present invention places different dyes respectively using multiple dyestuffs cylinder, can separate different dyestuffs so that
Ensure that dyestuff quality is not contaminated when later stage carries out dyestuff quantization.It can reuse, it is cost-effective.Present invention can ensure that every
Plant dyestuff dissolving ratio appropriate, reduce pattern phenomenon and produce.
3rd, the present invention devises the rotation matte of regulating flow quantity on chassis, is controlled by rotating matte by a certain
The CO2 fluid flows of branch dyestuff, make the analysis of experimental data more refine.More accurate used amount of dye, is solved
The problem of dye dosage is inaccurate in traditional non-aqueous dyeing.
4th, thickness is set to be the dye of 15-50 microns of polytetrafluoroethylene film, only dissolved state in dyestuff cylinder of the present invention
Material could pass through.It so ensure that the dyestuff of only dissolved state gets to yarn bobbin, reduces pattern, color to greatest extent
The appearance of the phenomenons such as dirt.
Brief description of the drawings
Fig. 1 is a kind of supercritical CO of the invention2The structural representation of non-aqueous dyeing dyestuff kettle；
Fig. 2 is a kind of bottom schematic view on chassis of the invention；
Fig. 3 is supercritical CO of the present invention2Non-aqueous dyeing dyestuff kettle is illustrated by dyestuff cylinder with the overall structure after the assembling of chassis
Figure.
In figure, 1- filter layers；2- dyestuffs cylinder；3- polytetrafluoroethylene films；4- metal net layers；5- dyestuffs cylinder lower port；6-
Chassis；7- rotates matte；8- tap holes.
Embodiment
Referring to Fig. 1, Fig. 2, a kind of supercritical CO of the invention2The embodiment of non-aqueous dyeing dyestuff kettle, including dyestuff kettle body,
Dyestuff kettle body at least includes 2 dyestuff cylinders, 2 and 1 chassis 6, and dyestuff cylinder 2 includes cylindrical case, top cover, on cylindrical case
The top cover is installed at end, and the bottom in cylindrical case sets the metal net layer 4 for placing dyestuff, top to set the undissolved dye of filtering
The filter layer 1 of material, is provided with tap hole 8 on chassis 6, is provided for blocking the rotation of the tap hole on the bottom surface on chassis 6
Matte 7.The lower end of dyestuff cylinder 2 is arranged on to the hole site of shunting 8 on the top surface of chassis 6,2 inner chambers of each dyestuff cylinder respectively with it is corresponding
Tap hole 8 is connected.
Specifically：Above-mentioned chassis 6 is disc, and above-mentioned dyestuff cylinder 2 is cylindrical shape, and dyestuff cylinder 2 has 4, in dyestuff
2 lower ports of cylinder set external screw thread.Above-mentioned tap hole 8 is circular hole, and tap hole 8 has 4 and is distributed on chassis 6, at above-mentioned point
Internal thread is set on the inwall of discharge orifice 8.4 dyestuff cylinders 2 are inlayed by screw thread be fixed on the corresponding tap hole 8 of the top surface of chassis 6 respectively
On.Above-mentioned rotation matte 7 includes two fanning strips, and the tip of two fanning strip is docking integrally in shape, the rotation matte 7
Between open up circular hole, bearing pin is set in the middle of the bottom surface of chassis 6, will rotation matte 7 by middle circular hole kink on the bearing pin, rotation
Turning matte 7 can rotate, and position in position.
In order to improve sealing, rubber sealing is provided between dyestuff 2 lower ports of cylinder and the tap hole 8 of the top surface of chassis 6,.
Above-mentioned metal net layer 4 is the nickel screen that mesh number is 500 mesh, and one layer of polytetrafluoroethylene film is laid on nickel screen.In nickel
Dyestuff is placed on online polytetrafluoroethylene film, makes CO2Air-flow both can smoothly by nickel screen, can cause again dyestuff with
CO2Air-flow is fully contacted.
Above-mentioned filter layer 1 is from the polytetrafluoroethylene film that thickness is 15-50 microns.Only dissolved state dyestuff
It can pass through, so ensure that the dyestuff passed through is uniformly dispersed in supercritical CO2In fluid.
Be also equipped with mesh number on the top of dyestuff cylinder 2 for 100 mesh fine-structure meshes, for protecting filter layer 1, prevent air-flow too urgent and
It is possible to filter layer 1（Thickness is 15-50 microns of polytetrafluoroethylene film）Break through.
Referring to Fig. 1, Fig. 2, the present invention is a kind of to utilize above-mentioned supercritical CO2Non-aqueous dyeing dyestuff kettle carries out the side of non-aqueous dyeing
The embodiment of method, comprises the following steps：
（1）First, the good various dyestuffs for being used for supercritical non-aqueous dyeing afterwards will be weighed and is respectively placed in different dyestuffs cylinders 2
On interior metal net layer 4, dyestuff cylinder 2 is fixed on chassis 6, if there is the tap hole 8 taken less than on chassis 6, with rotation matte 7
Cover；
（2）It is heated to the CO of above-critical state2Enter from diversion pipeline in chassis 6, and be split for multi beam, being used for
Dissolve different types of dyestuff, the CO of above-critical state2Each dyestuff cylinder 2 equipped with different dyes is reached after each tap hole
In, air-flow passes through metal net layer 4 so that dyestuff is fully contacted with air-flow, and only the dyestuff of dissolved state could pass through mistake
Filtering layer 1, so ensures that the dyestuff passed through is uniformly dispersed in supercritical fluid CO 2, when dyestuff is in the CO of above-critical state2In
After reaching saturation, you can carry out non-aqueous dyeing.
In above-mentioned colouring method, the size of tap hole 8 is covered by adjusting rotation matte 7, control passes through tap hole 8
Pass through CO2Flow, and then control tap hole 8 correspondence dyestuff cylinder 2 inner dyes pass through CO2Amount.
One kind of the invention utilizes above-mentioned supercritical CO2Non-aqueous dyeing dyestuff kettle carries out the embodiment of the method for non-aqueous dyeing：
Utilize above-mentioned supercritical CO2The method that non-aqueous dyeing dyestuff kettle carries out non-aqueous dyeing, is concretely comprised the following steps：Weigh first
Appropriate disperse dyes indigo plant B79 and each 2.6g of disperse dyes red 167, is respectively put into two dyestuff cylinders 2, top seals up poly- four
Fluoroethylene film is used as filter layer 1.Dyestuff cylinder 2 is fixed on the position of tap hole 8 on the top surface of chassis 6, blocked using rotation matte 7
The tap hole 8 of dyestuff cylinder 2 is not installed firmly.After installing, it is passed through by the bottom on chassis 6 and reaches the overcritical of staining technique parameter
CO2Fluid.Supercritical CO2Fluid flows through dyestuff 2 abundant dissolving dyes of cylinder, through filter layer 1 above（Thickness is 15-50 microns
Polytetrafluoroethylene film）Enter dyeing caldron after filtering.
The Polyester Yarns that quality is 800g is placed in dyeing caldron in advance, after a period of time, Polyester Yarns is uniformly painted, and is not had
Pattern phenomenon occurs.Because dyestuff is not mixed, after dyeing is finished, dyestuff is completely taken out, weighed remaining
Dyestuff quality, can further be precisely calculated the dyestuff yarn ratio of this dyeing.
Certainly, described above is not limitation of the present invention, and the present invention is also not limited to the example above, the art
Those of ordinary skill, the present invention essential scope in, the variations, modifications, additions or substitutions made should also belong to this hair
Bright protection domain.
Claims (8)
1. a kind of supercritical CO2Non-aqueous dyeing dyestuff kettle, including dyestuff kettle body, it is characterised in that the dyestuff kettle body includes
At least two dyestuff cylinder and chassis, the dyestuff cylinder include cylindrical case, top cover, and the top cover is installed in the cylindrical case upper end,
Bottom in the cylindrical case sets the metal net layer for placing dyestuff, top to set the filter layer of the undissolved dyestuff of filtering, institute
State and tap hole is provided with chassis, be provided for blocking the rotation matte of the tap hole, the dyestuff on the bottom surface on the chassis
The lower end of cylinder is arranged on the shunting hole site on the chassis face, and each dyestuff tube inner chamber connects with corresponding tap hole respectively
It is logical；The chassis is disc, and the dyestuff cylinder is cylindrical shape, and the dyestuff cylinder has 4, and the dyestuff cylinder lower port sets outer
Screw thread, the tap hole is circular hole, and the tap hole has 4 and is distributed on the chassis, set on above-mentioned tap hole inwall
Internal thread is put, 4 dyestuff cylinders are inlayed by screw thread be fixed on the corresponding tap hole of the chassis face respectively, the rotation
Turning matte includes two fanning strips, and the tip of two fanning strip, which is docking integrally in the middle of shape, the rotation matte, opens up circular hole,
Bearing pin is set in the middle of the undersurface of bottom disc, and the rotation matte is by middle circular hole kink on the bearing pin.
2. according to the supercritical CO described in claim 12Non-aqueous dyeing dyestuff kettle, it is characterised in that dyestuff cylinder lower port with
Rubber sealing is provided between the tap hole of the chassis face.
3. according to the supercritical CO described in claim 1 or 22Non-aqueous dyeing dyestuff kettle, it is characterised in that described metal net layer
It is to lay polytetrafluoroethylene film on the nickel screen that mesh number is 500 mesh, the nickel screen.
4. according to the supercritical CO described in claim 1 or 22Non-aqueous dyeing dyestuff kettle, it is characterised in that described filter layer is
Thickness is 15-50 microns of polytetrafluoroethylene film.
5. according to the supercritical CO described in claim 32Non-aqueous dyeing dyestuff kettle, it is characterised in that described filter layer is thickness
For 15-50 microns of polytetrafluoroethylene film.
6. according to the supercritical CO described in claim 12Non-aqueous dyeing dyestuff kettle, it is characterised in that the top of the dyestuff cylinder is also
Mesh number is installed for 100 mesh fine-structure meshes.
7. one kind utilizes any one of claim 1-6 supercritical CO2The method that non-aqueous dyeing dyestuff kettle carries out non-aqueous dyeing, it is special
Levy and be, comprise the following steps：
（1）First, the good various dyestuffs of supercritical non-aqueous dyeing that are afterwards used for will be weighed to be respectively placed in different dyestuffs cylinder
On metal net layer, dyestuff cylinder is fixed on chassis, if there is the tap hole taken less than on chassis, covered with rotation matte；
（2）It is heated to the CO of above-critical state2Enter from diversion pipeline in chassis, and be split as multi beam, for dissolving not
Congener dyestuff, the CO of above-critical state2Reached after each tap hole in each dyestuff cylinder equipped with different dyes, air-flow is suitable
Profit passes through metal net layer so that dyestuff is fully contacted with air-flow, and only the dyestuff of dissolved state could so be protected by filter layer
Demonstrate,prove the dyestuff passed through and be uniformly dispersed in supercritical CO2In fluid, when dyestuff is in the CO of above-critical state2In reach saturation after,
Non-aqueous dyeing can be carried out.
8. according to supercritical CO described in claim 72The method that non-aqueous dyeing dyestuff kettle carries out non-aqueous dyeing, it is characterised in that logical
The size that rotation matte covers tap hole is overregulated, control passes through CO by tap hole2Flow, and then control tap hole
Correspondence dyestuff cylinder inner dye passes through CO2Amount.
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN106637777B (en) * | 2016-11-21 | 2018-11-30 | 大连工业大学 | A kind of dyestuff finishing agent kettle in the anhydrous equipment for dyeing and finishing of supercritical carbon dioxide |
| 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 |
| CN107460681B (en) * | 2017-08-25 | 2023-10-31 | 广东御纺新材料科技有限公司 | 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 |
| 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 |
| 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 |
| CN114541065A (en) * | 2022-04-02 | 2022-05-27 | 辽宁轻工职业学院 | Supercritical CO of polyester fabric2Artistic dyeing device |
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| NL1015085C2 (en) * | 2000-05-02 | 2001-11-05 | Stork Brabant Bv | Dissolving device and method for dissolving a particulate solid in a supercritical or near critical fluid, as well as a dyeing device. |
| CN100473774C (en) * | 2006-10-27 | 2009-04-01 | 美晨集团股份有限公司 | Dyeing caldron in supercritical CO2 dyeing device |
| CN201033838Y (en) * | 2007-03-12 | 2008-03-12 | 美晨集团股份有限公司 | Production system for continuous dyeing by employing overcritical fluid |
| CN102776738B (en) * | 2012-07-17 | 2014-04-16 | 大连工业大学 | Supercritical carbon dioxide hairball dyeing kettle and waterless dyeing method thereof |
| CN102787459B (en) * | 2012-07-17 | 2014-01-15 | 大连工业大学 | Supercritical carbon dioxide cheese dyeing kettle and waterless supercritical carbon dioxide cheese dyeing method |
| CN103806234B (en) * | 2014-02-25 | 2015-11-18 | 中国科学院福建物质结构研究所 | Supercritical CO 2the horizontal dyeing caldron of anhydrous rotation warp beam and coloring system thereof |
| CN105155177B (en) * | 2015-07-14 | 2017-06-27 | 大连工业大学 | Supercritical carbon dioxide ox horn button dyeing caldron and its dyeing |
| CN105040328B (en) * | 2015-07-14 | 2017-05-10 | 大连工业大学 | Supercritical carbon dioxide nutbutton dyeing kettle and dyeing technology thereof |
| CN205711365U (en) * | 2016-05-04 | 2016-11-23 | 青岛即发集团股份有限公司 | Supercritical CO 2 non-aqueous dyeing dyestuff kettle |
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