CN102787459B - Supercritical carbon dioxide cheese dyeing kettle and waterless supercritical carbon dioxide cheese dyeing method - Google Patents
Supercritical carbon dioxide cheese dyeing kettle and waterless supercritical carbon dioxide cheese dyeing method Download PDFInfo
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- CN102787459B CN102787459B CN201210248242.3A CN201210248242A CN102787459B CN 102787459 B CN102787459 B CN 102787459B CN 201210248242 A CN201210248242 A CN 201210248242A CN 102787459 B CN102787459 B CN 102787459B
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- 238000004043 dyeing Methods 0.000 title claims abstract description 111
- 235000013351 cheese Nutrition 0.000 title claims abstract description 96
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 40
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000012530 fluid Substances 0.000 claims abstract description 20
- 239000000975 dye Substances 0.000 claims description 49
- 238000007789 sealing Methods 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 14
- 210000000085 cashmere Anatomy 0.000 claims description 10
- 210000002268 wool Anatomy 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 8
- 210000004209 hair Anatomy 0.000 claims description 7
- 239000000986 disperse dye Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000000985 reactive dye Substances 0.000 claims description 3
- 239000000982 direct dye Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000013508 migration Methods 0.000 abstract description 2
- 230000005012 migration Effects 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 description 9
- 238000005057 refrigeration Methods 0.000 description 9
- 230000000630 rising effect Effects 0.000 description 5
- 239000004753 textile Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 210000004907 gland Anatomy 0.000 description 4
- 238000010792 warming Methods 0.000 description 4
- 239000001045 blue dye Substances 0.000 description 3
- 238000004040 coloring Methods 0.000 description 3
- 238000007639 printing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000001044 red dye Substances 0.000 description 2
- 238000010186 staining Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- SGHZXLIDFTYFHQ-UHFFFAOYSA-L Brilliant Blue Chemical compound [Na+].[Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=2C(=CC=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 SGHZXLIDFTYFHQ-UHFFFAOYSA-L 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- AJDUTMFFZHIJEM-UHFFFAOYSA-N n-(9,10-dioxoanthracen-1-yl)-4-[4-[[4-[4-[(9,10-dioxoanthracen-1-yl)carbamoyl]phenyl]phenyl]diazenyl]phenyl]benzamide Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2NC(=O)C(C=C1)=CC=C1C(C=C1)=CC=C1N=NC(C=C1)=CC=C1C(C=C1)=CC=C1C(=O)NC1=CC=CC2=C1C(=O)C1=CC=CC=C1C2=O AJDUTMFFZHIJEM-UHFFFAOYSA-N 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000001043 yellow dye Substances 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B19/00—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00
-
- 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
- D06B23/14—Containers, e.g. vats
-
- 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
- D06B5/12—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through materials of definite length
- D06B5/16—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through materials of definite length through yarns, threads or filaments
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Coloring (AREA)
Abstract
The invention relates to a supercritical carbon dioxide cheese dyeing kettle and a waterless supercritical carbon dioxide cheese dyeing method. In the dyeing kettle, when carbon dioxide fluid enters a distribution tray from an inlet, blades start rotating clockwise under the effect of pressure; inserted drill rods are driven to rotate by a rotation part; and the rotating speed of the inserted drill rods is increased along with the increase of pressure in a cylinder body. When a cheese is dyed, the cheese on the inserted drill rods is dyed at a speed of 0.2-0.5 r/s. When the rotating cheese is dyed, the cheese is subjected to the pressure of the fluid flowing out from a central shaft; the rotation and bicirculation of the cheese dyeing are realized; the uniform dyeing effect of the dyed cheese can be improved; and the migration ability and the diffusibility can be improved.
Description
Technical field
The invention belongs to textile printing and dyeing field, wool, cashmere, yak hair, cotton and the cotton blending cheese with certain shatter value are put into cheese special dyeing still, it is carried out to supercritical CO 2 dyeing, a kind of supercritical carbon-dioxicle dyeing method of applicable cheese is provided.
Background technology
Traditional dyeing mainly be take water as medium, and in dyeing course, the chemical substances such as a large amount of dyestuffs, auxiliary agent and surfactant cause severe contamination to environment, is also restricting the sustainable development of textile printing and dyeing industry simultaneously.2l century commute is controlled, the requirement of high efficiency, nonstaining property and reusable edible is more and more outstanding.Develop in the supercritical carbon dioxide waterless staining technique of last century end and be considered to a kind of " green, sustainable development " technology because of outstanding features such as its pollution-free, short flow process, high efficiency, and enjoy favor.
At present, supercritical CO 2 dyeing technology has obtained interim progress as a kind of novel green dyeing and finishing technique, comparatively ripe to the associating exploratory development of its process conditions, dyeing mechanism and dyeing installation.Because needing special-purpose dyeing support, realizes dyeing course, so the development of dyeing support has great importance to producing.
Tradition cheese dyeing be by yarn network on porous bobbin, make dye liquor penetrate circulation between bobbin yarn, then a kind of processing technology of drum dyeing.Though shorter, consuming time longer to the technological process of network look cylinder by base yarn, need therebetween through processing procedures such as dehydration, oven dry, water consumption power consumption is larger.In addition, because traditional cheese dyeing yarn is fluffy not plentiful, cause its level dyeing poor-performing.
Summary of the invention
For addressing the above problem, the invention provides a kind of supercritical carbon dioxide cheese dyeing still, comprise cylinder body and cheese support; Cheese support is fixed in cylinder body; The upper end of cylinder body fixedly movable sealing Gai, lower end is provided with CO 2 fluid entrance, and the top of cylinder body is also provided with CO 2 fluid outlet; Cylinder body outside is fixed with heating jacket; The Yi Ce upper end of heating jacket is provided with heat medium outlet, and the lower end of opposite side is provided with heat medium entrance; It is characterized in that described cheese support consists of the domain that distributes, central shaft and 6 plug in prickers; The center in described distribution domain is fixed with central shaft, is distributed with 6 plug in prickers around the outside of described central shaft; Described plug in pricker is flexibly connected ，Qie Kerao junction with distribution domain and rotates arbitrarily; Described central shaft 203 is porous shaft structure; Described distribution domain is provided with 7 holes; Described hole is corresponding with described plug in pricker inner chamber and described central shaft inner chamber; Described Cha Qian lower end is fixed with rotating part; Described rotating part is comprised of cylinder, support column and blade; Described blade is fixed on support column, and support column is connected on cylinder by brace summer; During use, CO 2 fluid enters in hole, the blade rotation in rotating part under pressure, and rotating part drives to be plugged in pricker and rotates.
In above-mentioned dyeing caldron of the present invention, when having CO 2 fluid to enter distribution domain from entrance, under pressure-acting, blade is by starting clockwise rotation, and rotating part drives plugs in pricker rotation, and along with pressure in cylinder body increases, plug in pricker rotating speed is accelerated thereupon.When dyeing, the cheese of inserting on pricker dyes with 0.2～0.5r/s.The cheese rotating, when dyeing, is subject to the fluid pressure action that flowed out by central shaft equably, realizes the bicirculating cheese dyeing course in rotation limit, limit, can improve cheese even dyeing effect after dyeing, improves migration property and diffusivity.
Movable sealing lid in the present invention is comprised of alignment pin, seal cover, and alignment pin is welded in seal cover; Active seal cover is placed on kettle end face, makes alignment pin interlock, by opening soon clip, by kettle end face and movable sealing, covers tightly close connection.In above-mentioned dyeing caldron of the present invention, ，Cha Qian upper end is provided with tapered end.
Tapered end on plug in pricker in the present invention can adopt screw-type, spring or screw thread spring hybrid, in the present invention, is preferably screw-type; Its annexation is that the clockwise spiral of seal bellows is inserted and inserted on pricker, and according to friction top, sealing gland, sealing ring, seal bellows, order is from top to bottom sealed.
Arbitrary technical scheme in above-mentioned dyeing caldron of the present invention, on central shaft, porose ，Qi aperture is spacing 2～6mm between 4～8mm， holes.Cheese dyeing frame central shaft in tradition cheese dyeing is solid construction, and central shaft of the present invention is porous shaft structure, and its thickness is 5～10mm, and aperture is spacing 2～6mm between 4～8mm， holes, the high 1500～1550mm of central shaft.In supercritical CO 2 dyeing, fluid can be flowed out cheese is dyeed respectively by central shaft He Chaqian hole axle, realizes internal-external double circulation dyeing simultaneously.
Another object of the present invention is to provide a kind of supercritical carbon dioxide bobbin dyeing method, described method dyes by above-mentioned arbitrary described cheese dyeing still.
In above-mentioned colouring method of the present invention, the dyeing condition of described method is: 80～160 ℃ of temperature, and pressure 14～28MPa, 20～60min dyes; Wherein, dyestuff and cheese mass ratio are 1:10～30.
Arbitrary technical scheme in above-mentioned colouring method of the present invention, cheese is preferably wool, cashmere, yak hair, cotton and cotton blending yarn.
Arbitrary technical scheme in above-mentioned colouring method of the present invention, dyestuff is preferably direct dyes, REACTIVE DYES, DISPERSE DYES and reactive disperse dyes.
The present invention grades to the cheese after dyeing with colour fastness to weathering experimental technique, GB3921-1997 textiles color fastness to washing test method and GB3920-1997 crock fastness test method by GB730-1998 textiles is fast light.Its colour fasteness to rubbing can reach 3～4 grades, and water-fastness COLOR FASTNESS can reach 3～5 grades, and fast light and colour fastness to weathering all can reach 3～5 grades, and cheese COLOR FASTNESS all can arrive textiles and take requirement.The ISO 105/A03-1993 " textiles-COLOR FASTNESS test---grey scale for assessing staining of colour " that adopts international standards carries out COLOR FASTNESS mensuration to cheese after dyeing.COLOR FASTNESS can reach 3～5 grades.
Accompanying drawing explanation
Accompanying drawing 5 width of the present invention,
Fig. 1 is the structural representation of cheese dyeing still;
Fig. 2 is the structural representation that the dyeing caldron of cheese is housed;
Fig. 3 is the top view of cheese support;
Fig. 4 is the partial enlarged drawing of tapered end;
Fig. 5 is the front view of rotating part;
Fig. 6 is the schematic diagram of rotating part;
Fig. 7 is the top view in distribution domain;
Wherein, 1, cylinder body, 2, cheese support, 3, movable sealing lid, 4, CO 2 fluid entrance, 5, CO 2 fluid outlet, 6, heating jacket, 7, heat medium outlet, 8, heat medium entrance, 9, alignment pin, 10, open soon clip, 11, kettle end face, 12, seal cover, 203, central shaft, 201, distribution domain, 202, plug in pricker, 204, tapered end, 205, hole, 204a, seal bellows, 204b, sealing ring, 204c, sealing gland, 204d, friction top, 206, rotating part, 206a, cylinder, 206b, support column, 206c, blade, 206d, brace summer.
Carbon dioxide bobbin dyeing yarn still of the present invention, comprises cylinder body 1 and cheese support 2; Cheese support 2 is fixed in cylinder body 1; The upper end of cylinder body 1 fixedly movable sealing lid 3, lower end is provided with CO 2 fluid entrance 4, and the top of cylinder body 1 is also provided with CO 2 fluid outlet 5; Cylinder body 1 outside is fixed with heating jacket 6; The Yi Ce upper end of heating jacket 6 is provided with heat medium outlet 7, and the lower end of opposite side is provided with heat medium entrance 8; It is characterized in that described cheese support 2 consists of distribution domain 201, central shaft 203 and 6 plug in prickers 202; 201 center, described distribution domain is fixed with central shaft 203, is distributed with 6 plug in prickers 202 around the outside of described central shaft 203; Described plug in pricker 202 is flexibly connected ，Qie Kerao junction with distribution domain 201 and rotates arbitrarily; Described central shaft 203 is porous shaft structure; Described distribution domain 201 is provided with 7 holes 205; Described hole 205 is corresponding with described plug in pricker 202 inner chambers and described central shaft 203 inner chambers; Described Cha Qian202 lower end is fixed with rotating part 206; Described rotating part 206 is comprised of cylinder 206a, support column 206b and blade 206c; It is upper that described blade 206c is fixed on support column 206b, and support column 206b is connected on cylinder 206a by brace summer 206d; During use, CO 2 fluid enters in hole 205, and the blade 206c in rotating part 206 rotates under pressure, and rotating part 206 drives plugs in pricker 202 rotations.The annexation of described tapered end 204, for the clockwise spiral of seal bellows 204a is inserted and inserted on pricker, is put sealing ring 204b above seal bellows, and sealing gland 204c is placed on above seal bellows, puts friction top 204d above sealing gland.Movable sealing lid 3 is comprised of alignment pin 9, seal cover 12, and alignment pin 9 is welded in seal cover 12; Active seal cover 3 is placed on kettle end face 11, makes alignment pin 9 interlocks, by opening soon clip 10, kettle end face 11 is fixedly connected with movable sealing lid 3.
When using dyeing caldron of the present invention, CO 2 fluid entrance 4 is connected with dyestuff still.Before dyeing starts, need to open refrigeration system, make pressure of storage tank be down to 3～5MPa, tank level rises to 400～430mm, passes into carbon dioxide in dyeing caldron, and fluid portability dyestuff enters in the cylinder body 1 of dyeing caldron.Open heating system, make temperature reach dyeing temperature, open high-pressure system and boost to dyeing pressure, dye.During dyeing, a CO 2 fluid part flows out from inside to outside by central shaft 203, by the outside of cheese, is dyeed gradually to cheese inner side; Another part carries dyestuff and flows out in inserting Qian202 hole axle, from inside to outside cheese is dyeed.Complete after dyeing, fluid flows out from carbon dioxide outlet.In dyeing course, along with pressure increases gradually, blade, helicitic texture device, sintering filter steel pipe to start to rotate, and realizes cheese and rotates dyeing.Complete after dyeing, then dyeing caldron release of pressure, cooling, carries out the recovery of carbon dioxide and dyestuff, takes out dyed yarn, completes dyeing course.
Active dispersed black dye 3kg is put into dyestuff still, and wool cheese 90kg inserts cheese special stand.Open refrigeration system, when pressure of storage tank, be down to 4 ~ 4.3MPa, tank level rises to 425～427mm, starts to pass into carbon dioxide.Then, heater and oil pump, make its temperature be heated to 90 ~ 95 ℃, starts high-pressure pump and start pressurization, is forced into 22 ~ 23MPa, and 28 ~ 31min dyes.After dyeing finishes, close high-pressure pump, heater and oil pump, release of pressure, lower the temperature and make it remain on the recovery of carrying out carbon dioxide and dyestuff at 3 ~ 4MPa, 32 ~ 34 ℃, take out wool cheese after dyeing.After dyeing, the water-fastness COLOR FASTNESS of cheese reaches 3 grades, and colour fastness to rubbing is 4 grades, and fast light and colour fastness to weathering all can reach 4 grades.Dyeing wool cheese COLOR FASTNESS 3-4 level on the active dispersed black dye of tradition, adopt after special-purpose cheese support, after supercritical CO 2 dyeing, COLOR FASTNESS is 4-5 level, tradition cheese dyeing needs 60 ~ 63min, adopt supercritical carbon dioxide cheese dyeing still, only need 20 ~ 22min to complete and dye, the time is short.Dye rear cheese simultaneously and meet GB requirement.
Embodiment 3
Take out 3.5kg dispersed deep blue dye and put into dyestuff still, 35kg cashmere cheese is put into special-purpose cheese support, opens refrigeration system, makes pressure of storage tank be down to 4MPa, and tank level rises to 421～424mm, starts to pass into carbon dioxide.Open heating system, rising temperature to 130～135 ℃.Open high-pressure pump, pressurization rises to 20～21MPa, and 30～33min dyes.After dyeing finishes, close high-pressure pump and heating system, release of pressure, be cooled to 3.5～4MPa, 38～41 ℃, carry out the recovery of carbon dioxide and dyestuff, take out dye bobbin yarn.After dyeing, the water-fastness COLOR FASTNESS of cheese is 4 grades, and colour fasteness to rubbing is 5 grades, and water-fastness COLOR FASTNESS can reach 4 grades.COLOR FASTNESS 3-4 level after tradition dispersed deep blue dye dyes to cheese, after employing supercritical CO 2 dyeing special dyeing still dyes to cashmere cheese, COLOR FASTNESS can reach 4 grades.
Take the active disperse brilliant blue dyestuff of 4kg and put into dyestuff still, 80kg wool cheese is put into cheese support, starts refrigeration system, and pressure of storage tank is down to 3.5MPa, and tank level rises to 428～430mm, starts to pass into carbon dioxide.Heater and oil pump, be warming up to 100～105 ℃, opens high-pressure pump, and pressurization rises to 23～24MPa, reaches under dyeing pressure and dyeing temperature, and 40～43min dyes.Complete after dyeing, close high-pressure pump, heater and oil pump, release of pressure be cooled to 3.5～3.8MPa, 39～42 ℃, and carry out carbon dioxide in system and the recovery of dyestuff, then take out dye bobbin yarn.Its water-fastness COLOR FASTNESS reaches 3 grades, and colour fastness to rubbing is 4 grades, and fast light and colour fastness to weathering all can reach 5 grades.After tradition wool cheese dyeing, COLOR FASTNESS is 3 grades, adopts after the dyeing of supercritical carbon dioxide cheese dyeing still, and COLOR FASTNESS is increased to 4 grades.
Dispersive red dye 4.5kg and cashmere cheese 75kg are put into respectively to dyestuff still and cheese support.Open refrigeration system, when pressure of storage tank, be down to 3.7～3.9MPa, tank level rises to 414～417mm, starts to pass into carbon dioxide.Open heating system, be warming up to 90～95 ℃ of dyeing temperatures, open high-pressure pump rising pressure and rise to 18～19MPa, reach dyeing temperature and dyeing pressure, 35～39min dyes.After dyeing finishes, close high-pressure pump and heating system, lower the temperature, be depressurized to 4.5～4.8MPa, 40～45 ℃, carry out the recovery of carbon dioxide and dyestuff in system, then cheese is taken out.By cashmere cheese after dyeing carry out water-fastness COLOR FASTNESS, colour fastness to rubbing is tested with fast light and colour fastness to weathering, its COLOR FASTNESS all can reach 5,4 and 4-5 level.After tradition cashmere cheese dyeing, COLOR FASTNESS is 3 grades, adopts after supercritical carbon dioxide cheese special stand dyeing of the present invention, and COLOR FASTNESS can reach 4-5 level.
Embodiment 6
The active dispersive red dye of 5kg is put into dyestuff still, and 50kg wool cheese is put into cheese special stand.Open refrigeration system, when pressure of storage tank, be down to 4.2～4.5MPa, tank level rises to 427～428mm, passes into carbon dioxide.Open heating system, rising temperature to 90～93 ℃.Open high-pressure pump, when boosting to 23～25MPa, while reaching dyeing temperature with dyeing pressure, 30～34min dyes.After dyeing finishes, lower the temperature, be depressurized to 4～5MPa, 25～40 ℃, carry out the recovery of carbon dioxide and dyestuff, take out yak hair cheese.Its water-fastness COLOR FASTNESS reaches 4 grades, and colour fastness to rubbing is 5 grades, and fast light and colour fastness to weathering all can reach 4 grades.After tradition cheese dyeing, COLOR FASTNESS scope, in 3-4 level, adopts special-purpose cheese support to carry out after supercritical CO 2 dyeing, and cheese COLOR FASTNESS can reach 4-5.
Direct yellow dye 3kg is put into dyestuff still, and cashmere cheese 75kg inserts in cheese support, starts refrigeration system, when pressure of storage tank, is down to 3.2～3.4MPa, and tank level rises to 421～424mm, passes into carbon dioxide.Open heating system, be warming up to 140～142 ℃, open high-pressure pump and boost to 27～28MPa, 44～46min dyes.After having dyeed, release of pressure, be cooled to 3.9～4.1MPa, 38～40 ℃, carry out the recovery of carbon dioxide and dyestuff, take out dye bobbin yarn.Its water-fastness COLOR FASTNESS is 3 grades, and colour fasteness to rubbing is 4 grades, and fast light and colour fastness to weathering can reach 5 grades.While adopting traditional cashmere cheese dyeing, COLOR FASTNESS is 4 grades, adopts after the dyeing of supercritical CO 2 dyeing special dyeing still, and cheese COLOR FASTNESS rises to 4-5 level.
Take 4kg dispersed blue dye and put into dyestuff still, take 60kg yak hair cheese simultaneously and put into special-purpose cheese support.Start refrigeration system, when pressure of storage tank, be down to 3.5～3.6MPa, tank level rises to 414～415mm, starts to pass into carbon dioxide.Heater and oil pump, be warming up to 130～132 ℃, opens high-pressure pump until reach dyeing pressure 24～25MPa, and 40～43min dyes.After having dyeed, close high-pressure pump, heater and oil pump, release of pressure, be cooled to 42～43 ℃, 4.2～4.4MPa, carry out the recovery of carbon dioxide and dyestuff, take out yak hair cheese after dyeing.Its water-fastness COLOR FASTNESS is 5 grades, and colour fastness to rubbing is 4 grades, and fast light and colour fastness to weathering can reach 3 grades.After tradition yak hair cheese dyeing, COLOR FASTNESS is 3 grades, adopts after the special-purpose cheese support dyeing of supercritical carbon dioxide of the present invention, and COLOR FASTNESS rises to 4-5 level.
Embodiment 9
Taking respectively the cotton cheese of 3kg Yellow reactive dyes and 72kg inserts respectively in dyestuff still and cheese support.Start refrigeration system, when pressure of storage tank, be down to 3.0～3.1MPa, tank level rises to 410～415mm, starts to pass into carbon dioxide.Heater and oil pump, rising temperature to 145～148 ℃, open high-pressure pump rising pressure to 15～17MPa, reach dyeing temperature and dye under pressure, and 50～53min dyes.After dyeing finishes, close high-pressure pump, heater and oil pump, release of pressure, be cooled to 38～41 ℃, 3.4～3.7MPa, carry out the recovery of carbon dioxide and dyestuff in system, take out dyed cotton cheese.Its water-fastness COLOR FASTNESS is 4 grades, and colour fastness to rubbing is 4 grades, and fast light and colour fastness to weathering can reach 5 grades.After tradition cheese dyeing, COLOR FASTNESS is 3 grades, adopts after supercritical carbon dioxide cheese special stand dyeing of the present invention, and COLOR FASTNESS can reach 4 grades.
Claims (6)
1. a supercritical carbon dioxide cheese dyeing still, comprises cylinder body (1) and cheese support (2); Cheese support (2) is fixed in cylinder body (1); The upper end of cylinder body (1) fixedly movable sealing lid (3), lower end is provided with CO 2 fluid entrance (4), and the top of cylinder body (1) is also provided with CO 2 fluid outlet (5); Cylinder body (1) outside is fixed with heating jacket (6); The Yi Ce upper end of heating jacket (6) is provided with heat medium outlet (7), and the lower end of opposite side is provided with heat medium entrance (8); It is characterized in that described cheese support (2) consists of distribution domain (201), central shaft (203) and 6 plug in prickers (202); The center in described distribution domain (201) is fixed with central shaft (203), around the outside of described central shaft (203), is distributed with 6 plug in prickers (202); Described plug in pricker (202) is flexibly connected ，Qie Kerao junction with distribution domain (201) and rotates arbitrarily; Described central shaft (203) is porous shaft structure; Described distribution domain (201) is provided with 7 holes (205); Described hole (205) is corresponding with described plug in pricker (202) inner chamber and described central shaft (203) inner chamber; The lower end of described plug in pricker (202) is fixed with rotating part (206); Described rotating part (206) is comprised of cylinder (206a), support column (206b) and blade (206c); It is upper that described blade (206c) is fixed on support column (206b), and support column (206b) is connected on cylinder (206a) by brace summer (206d); During use, CO 2 fluid enters in hole (205), and the blade (206c) in rotating part (206) rotates under pressure, and rotating part (206) drives plugs in pricker (202) rotation, and is provided with tapered end (204) in the upper end of described plug in pricker (202).
2. supercritical carbon dioxide cheese dyeing still according to claim 1, is characterized in that the upper porose ，Qi of described central shaft (203) aperture is that between 4～8mm， holes, spacing is 2～6mm.
3. a supercritical carbon dioxide bobbin dyeing method, is characterized in that dyeing by cheese dyeing still claimed in claim 1.
4. supercritical carbon dioxide bobbin dyeing method according to claim 3, is characterized in that the dyeing condition of described method is: 80～160 ℃ of temperature, and pressure 14～28MPa, 20～60min dyes; Wherein, dyestuff and cheese mass ratio are 1:10～30.
5. supercritical carbon dioxide bobbin dyeing method according to claim 4, is characterized in that described cheese is wool, cashmere, yak hair, cotton and cotton blending yarn.
6. supercritical carbon dioxide bobbin dyeing method according to claim 4, is characterized in that described dyestuff is direct dyes, REACTIVE DYES or DISPERSE DYES.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210248242.3A CN102787459B (en) | 2012-07-17 | 2012-07-17 | Supercritical carbon dioxide cheese dyeing kettle and waterless supercritical carbon dioxide cheese dyeing method |
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| CN201210248242.3A CN102787459B (en) | 2012-07-17 | 2012-07-17 | Supercritical carbon dioxide cheese dyeing kettle and waterless supercritical carbon dioxide cheese dyeing method |
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| CN102787459A CN102787459A (en) | 2012-11-21 |
| CN102787459B true CN102787459B (en) | 2014-01-15 |
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| WO2016134252A1 (en) * | 2015-02-20 | 2016-08-25 | Nike Innovate C.V. | Supercritical fluid material finishing |
| EP3722499A1 (en) * | 2015-02-20 | 2020-10-14 | NIKE Innovate C.V. | Supercritical fluid material finishing |
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