CN108893899A - A kind of supercritical dyeing dyestuff kettle, colouring method and dyeing installation - Google Patents

A kind of supercritical dyeing dyestuff kettle, colouring method and dyeing installation Download PDF

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Publication number
CN108893899A
CN108893899A CN201810771463.6A CN201810771463A CN108893899A CN 108893899 A CN108893899 A CN 108893899A CN 201810771463 A CN201810771463 A CN 201810771463A CN 108893899 A CN108893899 A CN 108893899A
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China
Prior art keywords
dyestuff
dyeing
supercritical
tank
kettle
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CN201810771463.6A
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CN108893899B (en
Inventor
王健
杨为东
万刚
刘崇波
刘绍冰
林大鹏
王大伟
戴志敬
杜吉浩
王超
郭堃
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Qingdao Jifa Group Co Ltd
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Qingdao Jifa Group Co Ltd
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Classifications

    • 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
    • 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
    • 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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/94—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dyes dissolved in solvents which are in the supercritical state
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear

Abstract

It is equipped with the flow for being shunted to the supercritical fluid flowed into from air inlet the invention discloses a kind of supercritical dyeing dyestuff kettle, colouring method and dyeing installation, in dyestuff autoclave body and is evenly distributed with area and the dyestuff dissolution zone for being dissolved to dyestuff.It is equipped at least one layer of sub- dyestuff dissolving layer in dyestuff dissolution zone, multiple dyestuff tanks for being used to contain dyestuff are equipped in every straton dyestuff dissolving layer, the material of dyestuff tank is sintering metal porous filter material.The material of dyestuff tank uses sintering metal porous filter material in pioneering release in this field, make full use of a large amount of holes inside porous metals, while guaranteeing that supercritical fluid can flow into inside dyestuff tank from gap, can guarantee again only solubilised state dyestuff can with supercritical fluid from dyestuff tank flow out, it enters and participates in dyeing in dyeing caldron, to effectively avoid undissolved dyestuff from entering in dyeing caldron, dyeing uniformity is helped to improve.

Description

A kind of supercritical dyeing dyestuff kettle, colouring method and dyeing installation
Technical field
The present invention relates to supercritical dyeing technical field more particularly to a kind of supercritical dyeing dyestuff kettle, colouring method and Dyeing installation.
Background technique
In traditional dyeing course, we generally use water as main medium.A large amount of dyestuff, surfactant Etc. chemical substances can all cause undesirable influence to the sustainable development of environment.In addition, needing to carry out to the sewage of dyeing discharge The processing such as neutralization, sedimentation, require to spend a large amount of manpower and material resources.According to incompletely statistics, China's textile printing and dyeing industry year water consumption For amount up to 1,700,000,000 tons, 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 problems such as being not sewage discharge serious further development for restricting dyeing and finishing industry.It is therefore prevented that pollution, it is effective to develop green Dyeing becomes the correct direction of the following dyeing and finishing.
In recent years, a kind of novel green staining method-supercritical CO2Non-aqueous dyeing is to following dyeing and finishing industry band Dawn newly is carried out.The excellent features such as the technology is pollution-free since it is with high efficiency, and dyeing time is short, by favor.It should Technology uses supercritical CO2As dyeing medium, in CO2Being heated temperature is more than 31 DEG C, when pressure is more than 7.3MPa, this time-varying At a kind of state-above-critical state of non-non- liquid of gas.Then, it is suppressed by circulating pump continuous between dyestuff tank and dyeing pot Circulation, CO2The dyestuff of dissolution is sent to the hole of fiber, contaminates dyestuff evenly and rapidly above fabric.Whole process is not required to The process clean, dried.At present many countries all the development of effort it is this with energy-saving and emission-reduction, it is widely applicable novel green Color equipment for dyeing and finishing, it is intended to industrialization is pushed it against, it is practical.
However, supercritical CO2Waterless staining technique has been achieved with interim progress as a kind of novel staining technique, right The comprehensive discovery research of its process conditions, dyeing mechanism and dyeing installation have been relatively mature.But how by this technology from Scale is gradually pushed in laboratory to, mass production is had got long long way to go.Traditional dyestuff kettle is mostly simple monotubular knot Structure, supercritical fluid enter inside dyestuff kettle, due to the bulk deposition of dyestuff, cannot be dissolved in supercritical fluid in time and be flowed Body is washed away to dyeing caldron, causes dyeing uneven.In addition, the bulk deposition of dyestuff, causes the dyestuff in dye stacks middle position Due to being become molten condition by the effect of prolonged high temperature and pressure, it is not easy to the dissolution of dyestuff.
In view of the deficiencies of the prior art, how dyestuff kettle is improved, the dissolution of dyestuff can be accelerated while kept away Exempt from undissolved dyestuff to enter in dyeing caldron and cause the dyeing of fabric uneven, is a technical problem to be solved urgently.
Summary of the invention
The present invention is in order to solve the above problem and insufficient, provides a kind of supercritical dyeing dyestuff kettle, colouring method and dyeing and sets It is standby, the dissolution of dyestuff can be accelerated while undissolved dyestuff being avoided to enter in dyeing caldron and cause textile dyeing uneven It is even.
Technical solution provided by the invention is a kind of supercritical dyeing dyestuff kettle, including dyestuff autoclave body, the dyestuff autoclave body Lower end be equipped with air inlet, the side wall of the dyestuff autoclave body is equipped with gas outlet, is equipped in the dyestuff autoclave body for from described The flow that the supercritical fluid that air inlet flows into is shunted is evenly distributed with area and the dyestuff dissolution zone for being dissolved to dyestuff, institute It states flow and is evenly distributed with the lower section that area is located at the dyestuff dissolution zone；The supercritical fluid flowed into from the air inlet is followed by described Flow is evenly distributed with area and the dyestuff dissolution zone, again from gas outlet outflow；At least one layer of son is equipped in the dyestuff dissolution zone Dyestuff dissolving layer, every layer of sub- dyestuff dissolving layer are interior equipped with multiple dyestuff tanks for being used to contain dyestuff, the material of the dyestuff tank Matter is sintering metal porous filter material.
Further, the cross-sectional shape of the dyestuff tank be circle comprising dyestuff containing portion and with the dyestuff contain The upper cover of dress portion connection.
Further, support plate is removably equipped in the sub- dyestuff dissolving layer, the support plate is equipped with multiple logical Hole, the dyestuff tank and the through-hole are clamped.
Further, the lateral wall of the dyestuff tank is equipped with the first protrusion, and first protrusion is sealed with the through-hole Clamping.
Further, the inner sidewall of the dyestuff autoclave body is equipped with the second protrusion, second protrusion and the support plate Sealing clamping.
Further, the flow, which is evenly distributed in area, is equipped with multilayer orifice plate, and has between the orifice plate and the air inlet Certain distance.
Further, the height ratio of the dyestuff containing portion and the upper cover is 4:1.
Further, 3 dyestuff tanks are equipped in every layer of sub- dyestuff dissolving layer.
The present invention also proposes a kind of method for carrying out supercritical dyeing using supercritical dyeing dyestuff kettle as described above, packet Include following steps：
（1）The good dyestuff for being used for supercritical dyeing later will be weighed to be placed in the dyestuff tank, the dyestuff tank is placed in described In dyestuff dissolution zone；
（2）The fluid of pressurized, heated to above-critical state is squeezed into from the air inlet, the supercritical fluid first flows through the stream Uniformly distributed area is measured, the supercritical fluid after flow is uniformly distributed enters back into dissolving dye in the dyestuff tank, the only dyestuff of solubilised state It can flow out with supercritical fluid from the dyestuff tank, then flow out from the gas outlet for dyeing.
The present invention also proposes a kind of supercritical dyeing equipment, including dyestuff kettle, dyeing caldron, recycling kettle and the connection dyestuff Kettle, dyeing caldron, the dye cycle system for recycling kettle, the dyestuff kettle are supercritical dyeing dyestuff kettle as described above.
Compared with prior art, the advantages and positive effects of the present invention are：
1. the material of dyestuff tank uses sintering metal porous filter material in pioneering release in this field, make full use of in porous metals A large amount of holes in portion while guaranteeing that supercritical fluid can flow into inside dyestuff tank from gap, and can guarantee only molten The dyestuff for solving state can enter as supercritical fluid is from the outflow of dyestuff tank and participate in dyeing in dyeing caldron, to effectively keep away Exempt from undissolved dyestuff to enter in dyeing caldron, helps to improve dyeing uniformity.
2. the cross-sectional shape of dyestuff tank is circle, i.e., its exterior contour is arcuation, effectively increases dyestuff and shooting flow The contact area of body helps to improve the solution rate of dyestuff.
3. the height ratio of two parts up and down of dyestuff tank is 1:4, facilitate the useful load for increasing dyestuff.
4. from air inlet flow into supercritical fluid, first pass through by perforated board group at the equal layer of cloth of flow flow into dyestuff again Tank, since the bore of air inlet is typically small, supercritical fluid is jet stream when flowing into from air inlet, and multilayer orifice plate can be by jet stream It is uniformly distributed that the supercritical fluid of shape carries out flow, then uniformly flows into dyestuff tank, facilitate supercritical fluid fully with dye Material contact improves solution rate.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram one of supercritical dyeing of embodiment of the present invention dyestuff kettle；
Fig. 2 is the structural schematic diagram two of supercritical dyeing of embodiment of the present invention dyestuff kettle；
Fig. 3 is the structural schematic diagram of dyestuff of embodiment of the present invention tank；
Fig. 4 is the structural schematic diagram of support plate of the embodiment of the present invention.
Wherein, 100- dyestuff autoclave body, 110- air inlet, the gas outlet 120-, 130- end cap, the second protrusion of 140-, 200- stream It measures and is evenly distributed with area, 210- orifice plate, 300- dyestuff dissolution zone, the sub- dyestuff dissolving layer of 310-, 400- dyestuff tank, 410- dyestuff containing portion, 420- upper cover, the first protrusion of 430-, 500- support plate, 510- through-hole.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
The present invention discloses a kind of dyestuff kettle for supercritical dyeing system, especially a kind of to be applied to supercritical CO2Nothing The dyestuff kettle of water coloring system, referring to Figures 1 and 2, shown in FIG. 1 is that dyestuff kettle has a straton dyestuff dissolving layer, shown in Fig. 2 Be dyestuff kettle have two straton dyestuff dissolving layers.Dyestuff kettle includes dyestuff autoclave body 100, and dyestuff autoclave body 100 is tubular structure, Lower end is equipped with air inlet 110, and the side wall of dyestuff autoclave body 100 is equipped with gas outlet 120, the upper end of dyestuff autoclave body 100 be it is openable can The end cap 130 of closure, for placing and taking out dyestuff tank 400.Flow is successively arranged in dyestuff autoclave body 100 from the bottom to top and is evenly distributed with area 200 and dyestuff dissolution zone 300, i.e. flow be evenly distributed with the lower section that area 200 is located at dyestuff dissolution zone 300.Flow be evenly distributed with area 200 for pair The supercritical CO flowed into from air inlet 1102Fluid shunt and is evenly distributed with, and dyestuff dissolution zone 300 is used for dye placed within Material utilizes supercritical CO2Fluid is dissolved.The supercritical CO flowed into from air inlet 1102Fluid is evenly distributed with area followed by flow 200 and dyestuff dissolution zone 300, again from gas outlet 120 flow out.At least one layer of sub- dyestuff dissolving layer is equipped in dyestuff dissolution zone 300 310, every straton dyestuff dissolving layer 310 is interior equipped with multiple dyestuff tanks 400 for being used to contain dyestuff.
The supercritical CO flowed into from air inlet 1102Fluid, since the bore of air inlet 110 is typically small, supercritical CO2Stream Body is jet stream when flowing into from air inlet 110, and flow is evenly distributed with area 200 can be by the supercritical CO of jet-like2It is equal that fluid carries out flow Then cloth uniformly flows into dyestuff tank 400, facilitates supercritical CO2Fluid is fully fast with dye contacts, raising dissolution Degree.
The material of dyestuff tank 400 is used sintering metal porous filter material in pioneering release in this field by the present invention, sufficiently Using a large amount of holes inside porous metals, guaranteeing supercritical CO2Fluid can flow into same inside dyestuff tank 400 from gap When, and can guarantee that the dyestuff of only solubilised state can be with supercritical CO2Fluid is flowed out from dyestuff tank 400, enters dye Dyeing is participated in color kettle, so that undissolved dyestuff effectively be avoided to enter in dyeing caldron, helps to improve dyeing uniformity.
The supercritical CO flowed into from air inlet 1102Fluid, first passes through flow and is evenly distributed with area 200 and shunted, after being homogenised for Supercritical CO2Fluid enters in dyestuff dissolution zone 300, flows into inside dyestuff tank 400 through the gap on 400 side wall of dyestuff tank, The dyestuff being placed in inside dyestuff tank 400 is dissolved.Only the dyestuff of solubilised state can be with supercritical CO2Fluid from Dyestuff tank 400 flows out, and finally flows out from gas outlet 120, wait enter dyeing caldron to dye.It is set when in dyestuff dissolution zone 300 When having the sub- dyestuff dissolving layer 310 of multilayer, dyestuff in the dyestuff tank 400 of bottom is first sufficiently and supercritical CO2Fluid contact It is dissolved to saturation state, the supercritical CO of saturation state2Fluid then can not to be located at top layer dyestuff tank 400 in dyestuff into Row dissolution.The sub- dyestuff dissolving layer 310 of multilayer is set, the dyestuff useful load of dyestuff tank 400 can be increased, is suitable for high-volume scale Metaplasia produces.Supercritical CO2Fluid repeatedly constantly recycles in dyestuff tank 400, until all dyestuffs are all dissolved.
In order to increase the contact area of dyestuff and supercritical fluid, improve the solution rate of dyestuff, setting dyestuff tank 400 Cross-sectional shape be circle, i.e., its exterior contour be class egg-shape arcuation comprising dyestuff containing portion 410 and with dyestuff contain The upper cover 420 that dress portion 410 connects, referring to Fig. 3.Dyestuff tank 400 is generally rectangular in shape in the prior art, rectangular-shaped dyestuff Tank will appear dead angle phenomenon, be unfavorable for dyestuff and supercritical CO2Fluid comes into full contact with.At the same time, the dyestuff of class egg shape Tank 400 also effectively prevents the bulk deposition of dyestuff, avoids the dyestuff for being placed in middle position due to by prolonged high temperature High pressure effect becomes molten condition, is unfavorable for the dissolution of dyestuff.For the ease of installation and removal, dyestuff containing portion 410 and upper cover Spiro connection structure is used between 420.
Support plate 500 is removably equipped in sub- dyestuff dissolving layer 310, referring to Fig. 4, support plate 500 is equipped with multiple logical Hole 510, the quantity of through-hole 510 is identical as the quantity of dyestuff tank 400 in sub- dyestuff dissolving layer 310, for placing dyestuff tank 400.Dyestuff tank 400 and through-hole 510 are clamped, and to realize the connection of dyestuff tank 400 Yu support plate 500, and are easily installed and are dismantled. Specifically, the lateral wall of dyestuff tank 400 is equipped with the first protrusion 430, and the first protrusion 430 is clamped with the sealing of through-hole 510.
Connection structure between support plate 500 and dyestuff autoclave body 100 is also clamping form, is easily installed and dismantles.Dyestuff The inner sidewall of autoclave body 100 is equipped with the second protrusion 140, and the second protrusion 140 is clamped with the sealing of support plate 500.
When installation, the load weighted dyestuff for dyeing is first put into dyestuff containing portion 410, by dyestuff containing portion 410 It is spirally connected with upper cover 420, it is whole to form dyestuff tank 400；The end cap 130 for opening dyestuff autoclave body 100, by assembled dyestuff tank 400 In installation to support plate 500, the first protrusion 430 is clamped with the sealing of through-hole 510；The support plate 500 for being equipped with dyestuff tank 400 is pacified It is filled in dyestuff autoclave body 100, the second protrusion 140 is clamped with the sealing of support plate 500；End cap 130 is closed, supercritical CO is waited2Stream Body flows into dyestuff autoclave body 100 from air inlet 110 dissolves dyestuff.
The sealing between sealing and support plate 500 and dyestuff autoclave body 100 between dyestuff tank 400 and through-hole 510, Ke Yibao Demonstrate,prove supercritical CO2Fluid will not be revealed under flow at high speed there is the phenomenon that air flow shortcircuit, it is ensured that dyestuff and supercritical CO2Fluid It comes into full contact with, improves dyestuff in supercritical CO2Meltage in fluid.
Flow is evenly distributed with supercritical CO of the area 200 to the jet-like entered from air inlet 1102Being evenly distributed with for fluid is to pass through multilayer What orifice plate 210 was realized.Orifice plate 210 is the plate with multiple apertures, and multiple apertures are to supercritical CO2Fluid is shunted, real It is now uniformly distributed, make the supercritical CO entered in dyestuff dissolution zone 3002The flow velocity of fluid is more uniform, enable dyestuff fully with Supercritical CO2Fluid contact, improves solution rate.There is certain distance between orifice plate 210 and air inlet 110, avoid jet-like Supercritical CO2Fluid is directly projected from the aperture of 110 face of air inlet, to improve the uniformly distributed effect of flow.Preferably, The present embodiment orifice plate 210 is equipped with three layers, and the aperture on two layers adjacent of orifice plate is staggered, and it is uniformly distributed to further increase flow Effect.
In order to be suitable for high-volume large-scale production, increase dyestuff useful load, the height L1 of dyestuff containing portion 410 with it is upper The height L2 ratio of lid 420 is L1:L2=4:1.
In practical applications, a straton dyestuff dissolving layer 310, the sub- dye are only included in the present embodiment dyestuff dissolution zone 300 Expect to be equipped with 3 dyestuff tanks 400 in dissolving layer 310.Certainly, according to the actual needs of production, the quantity of sub- dyestuff dissolving layer 310 and The quantity of dyestuff tank 400 can be with flexible setting.
Supercritical CO is carried out using dyestuff kettle disclosed in the present embodiment2When non-aqueous dyeing, include the following steps：
1. supercritical CO is used for after weighing well2The dyestuff of non-aqueous dyeing is placed in dyestuff containing portion 410, by dyestuff containing portion 410 are spirally connected with upper cover 420, and it is whole to form dyestuff tank 400；The end cap 130 for opening dyestuff autoclave body 100, by assembled dyestuff tank In 400 installations to support plate 500, the first protrusion 430 is clamped with the sealing of through-hole 510；The support plate of dyestuff tank 400 will be installed In 500 installations to dyestuff autoclave body 100, the second protrusion 140 is clamped with the sealing of support plate 500；Close end cap 130.
2. by the CO of pressurized, heated to above-critical state2Fluid is squeezed into from air inlet 110, supercritical CO2Fluid first flows through orifice plate 210, the supercritical CO after flow is uniformly distributed2Fluid enters back into dissolving dye in dyestuff tank 400, and the dyestuff of only solubilised state can With supercritical CO2Fluid is flowed out from dyestuff tank 400, then is flowed out from gas outlet 120 for dyeing.
It is placed in dyeing caldron in advance and washs yarn, the supercritical fluid CO 2 for carrying dyestuff is squeezed into dyeing caldron, it is to be recycled It after a period of time, washs yarn and uniformly paints, pattern phenomenon do not occur.
Invention additionally discloses a kind of supercritical dyeing equipment, including dyestuff kettle, dyeing caldron, recycling kettle and connection dyestuff kettle, Dyeing caldron, the dye cycle system for recycling kettle, wherein dyestuff kettle is supercritical dyeing dyestuff kettle disclosed in the present embodiment.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that：It still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features； And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and Range.

Claims (10)

1. the lower end of a kind of supercritical dyeing dyestuff kettle, including dyestuff autoclave body, the dyestuff autoclave body is equipped with air inlet, the dyestuff The side wall of autoclave body is equipped with gas outlet, which is characterized in that is equipped in the dyestuff autoclave body for surpassing to from the air inlet inflow The flow that critical fluids are shunted is evenly distributed with area and the dyestuff dissolution zone for being dissolved to dyestuff, and the flow is evenly distributed with position In the lower section of the dyestuff dissolution zone；The supercritical fluid flowed into from the air inlet is evenly distributed with Qu Hesuo followed by the flow State dyestuff dissolution zone, again from gas outlet outflow；It is equipped at least one layer of sub- dyestuff dissolving layer in the dyestuff dissolution zone, every layer Equipped with multiple for containing the dyestuff tank of dyestuff in the sub- dyestuff dissolving layer, the material of the dyestuff tank is that sintering metal is porous Filtering material.
2. supercritical dyeing dyestuff kettle according to claim 1, which is characterized in that the cross-sectional shape of the dyestuff tank is It is round comprising dyestuff containing portion and the upper cover being connect with the dyestuff containing portion.
3. supercritical dyeing dyestuff kettle according to claim 2, which is characterized in that detachable in the sub- dyestuff dissolving layer Ground is equipped with support plate, and the support plate is equipped with multiple through-holes, and the dyestuff tank and the through-hole are clamped.
4. supercritical dyeing dyestuff kettle according to claim 3, which is characterized in that the lateral wall of the dyestuff tank is equipped with First protrusion, first protrusion are clamped with through-hole sealing.
5. supercritical dyeing dyestuff kettle according to claim 3, which is characterized in that set on the inner sidewall of the dyestuff autoclave body There is the second protrusion, second protrusion is clamped with support plate sealing.
6. supercritical dyeing dyestuff kettle according to any one of claims 1-5, which is characterized in that the flow is evenly distributed with area It is interior to be equipped with multilayer orifice plate, and there is certain distance between the orifice plate and the air inlet.
7. the supercritical dyeing dyestuff kettle according to any one of claim 2-5, which is characterized in that the dyestuff containing portion Height ratio with the upper cover is 4:1.
8. supercritical dyeing dyestuff kettle according to any one of claims 1-5, which is characterized in that every layer of sub- dyestuff 3 dyestuff tanks are equipped in dissolving layer.
9. a kind of method for carrying out supercritical dyeing using the supercritical dyeing dyestuff kettle of any of claims 1-8, It is characterised in that it includes following steps：
（1）The good dyestuff for being used for supercritical dyeing later will be weighed to be placed in the dyestuff tank, the dyestuff tank is placed in described In dyestuff dissolution zone；
（2）The fluid of pressurized, heated to above-critical state is squeezed into from the air inlet, the supercritical fluid first flows through the stream Uniformly distributed area is measured, the supercritical fluid after flow is uniformly distributed enters back into dissolving dye in the dyestuff tank, the only dyestuff of solubilised state It can flow out with supercritical fluid from the dyestuff tank, then flow out from the gas outlet for dyeing.
10. a kind of supercritical dyeing equipment, including dyestuff kettle, dyeing caldron, recycling kettle and the connection dyestuff kettle, dyeing caldron, return Receive the dye cycle system of kettle, which is characterized in that the dyestuff kettle is supercritical dyeing of any of claims 1-8 Dyestuff kettle.
CN201810771463.6A 2018-07-13 2018-07-13 Supercritical dyeing dye kettle, dyeing method and dyeing equipment Active CN108893899B (en)

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