CN208771017U - A kind of supercritical dyeing recycling separating still - Google Patents
A kind of supercritical dyeing recycling separating still Download PDFInfo
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- CN208771017U CN208771017U CN201821113393.7U CN201821113393U CN208771017U CN 208771017 U CN208771017 U CN 208771017U CN 201821113393 U CN201821113393 U CN 201821113393U CN 208771017 U CN208771017 U CN 208771017U
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- recycling
- dyeing
- separating still
- supercritical
- gas
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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
- D06B23/20—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
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B9/00—Solvent-treatment of textile materials
- D06B9/06—Solvent-treatment of textile materials with recovery of the solvent
-
- 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
The utility model discloses a kind of supercritical dyeings to recycle separating still, molecular sieve is set by the way that recycling knockout drum is arranged inside recycling separating still, recycles in knockout drum, to be filtered to a large amount of dyestuffs, the impurity that the supercritical gas after dyeing is precipitated during the pressure relief process.The utility model prepares the End Pieces for recycling knockout drum using sintering metal porous filter material in pioneering release in this field, it makes full use of a large amount of holes inside porous metals, can be filtered to large scales impurity such as a large amount of dyestuffs, the oligomer that the supercritical gas after dyeing is precipitated during the pressure relief process.Recycling knockout drum itself is formed first layer filtration system, and structure is simple, filter effect is good and is readily cleaned.By the first layer filtering of tank bottom, the second layer filtering of molecular sieve and the third layer filtering of cover, it can effectively avoid dyestuff and impurity with gas backstreaming to air accumulator, help to improve the uniformity and dyeing effect of dyeing.
Description
Technical field
The utility model relates to supercritical dyeing technical fields more particularly to a kind of supercritical dyeing to recycle separating still.
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 CO 2 waterless staining technique has been achieved with interim progress as a kind of novel staining technique, it is 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.At present in general supercritical CO 2 non-aqueous dyeing
In equipment, the above-critical state CO2 for carrying impurity first passes around a recycling kettle release, and release rear impurity leans on the gravity and gas of itself
Body separation.There are serious technological deficiencies for this kind of recycling kettle, when becoming gaseous state from above-critical state due to CO2 gas, air-flow meeting
The sedimentation separation of oligomer, excess dye is seriously affected, some dyes can be taken back air accumulator by air-flow, pollute subsequent dyed
Journey, to cause that subsequent dyeing is uneven, has the phenomenon that color difference.
In view of the above-mentioned problems existing in the prior art, the new supercritical CO 2 non-aqueous dyeing that is adapted to of one kind how is designed to give up
Gas recovering device and method improve the degree of purity of recycling CO2, this is a technical problem to be solved urgently.
Summary of the invention
The utility model is directed to during supercritical CO 2 non-aqueous dyeing and recycles existing defect for CO2, provides one kind
Supercritical dyeing recycles separating still, and the degree of purity of recycling CO2 can be improved, and avoids that subsequent dyeing is uneven, has the technology of color difference
Problem.
Technical solution provided by the utility model is a kind of supercritical dyeing recycling separating still, including autoclave body, the autoclave body
Lower part be equipped with air inlet, the top of the autoclave body is equipped with gas outlet, which is characterized in that the inside of the autoclave body is equipped with recycling point
From tank, the inside of the recycling knockout drum is equipped with molecular sieve, and the recycling knockout drum includes cover, tank bottom and is located at the cover
The material of pot sidewall between the tank bottom, the cover and the tank bottom is sintering metal porous filter material.
Further, the material of the pot sidewall is stainless steel.
Further, the side wall of the autoclave body is equipped with for separating tank connected interconnecting piece, the connection with the recycling
Portion and the tank bottom are tightly connected.
Further, the tank bottom is equipped with connecting plate, and the interconnecting piece and the connecting plate are clamped.
Further, the gas outlet is connected with condensing unit.
Further, the cover and the time of filtration of the tank bottom are 10-80 μm.
Further, the molecular sieve includes 5A grades of molecular sieves, 4A grades of molecular sieves and 3A grades of molecular sieves.
Compared with prior art, the advantages and positive effects of the utility model are as follows:
The utility model proposes supercritical dyeing recycle separating still, pass through recycling separating still inside setting recycling separation
Molecular sieve is set in tank, recycling knockout drum, come a large amount of dyestuffs, miscellaneous that the supercritical gas after dyeing is precipitated during the pressure relief process
Matter is filtered.The utility model prepares recycling knockout drum using sintering metal porous filter material in pioneering release in this field
End Pieces, make full use of a large amount of holes inside porous metals, can be to the supercritical gas after dyeing in pressure release
The large scales impurity such as a large amount of dyestuffs, oligomer for being precipitated in the process is filtered.Recycling knockout drum itself is formed first layer
Filtration system, structure is simple, filter effect is good and is readily cleaned.Pass through the first layer filtering of tank bottom, the second layer mistake of molecular sieve
The filtering of the third layer of filter and cover, can effectively avoid dyestuff and impurity with gas backstreaming to air accumulator, help to improve dyeing
Uniformity and dyeing effect.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram that the utility model embodiment supercritical dyeing recycles separating still.
Wherein, 100- autoclave body, 110- air inlet, the gas outlet 120-, 130- end cap, 140- interconnecting piece, 200- recycling separation
Tank, 210- tank bottom, 211- connecting plate, 220- cover, 230- pot sidewall, 300- molecular sieve.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
The utility model discloses a kind of supercritical dyeing recycling separating still, especially a kind of to be applied to supercritical CO2It is anhydrous
The recycling separating still of coloring system, referring to Fig.1 shown in supercritical dyeing recycling separating still structural schematic diagram, including autoclave body
100, autoclave body 100 is tubular structure, and upper part is equipped with end cap 130, and be easily installed and take the recycling point being placed in inside autoclave body 100
From tank 200.The lower part of autoclave body 100 is equipped with air inlet 110, and the top of autoclave body 100 is equipped with gas outlet 120, after supercritical dyeing
CO2Gas flows into inside autoclave body 100 from air inlet 110, after recycling knockout drum 200 filters, flows out from gas outlet 120.This
The side wall upper position of autoclave body 100 is arranged in air inlet 110 by embodiment, and the side wall that autoclave body 100 is arranged in gas outlet 120 is top
Position.Recycling knockout drum 200 includes tank bottom 210, cover 220 and the pot sidewall 230 being located between tank bottom 210 and cover 220,
The inside for recycling knockout drum 200 is equipped with molecular sieve 300.The material of cover 220 and tank bottom 210 is sintering metal porous filtering material
Material.The utility model uses sintering metal porous filter material, sufficiently benefit in pioneering release in this field in recycling knockout drum 200
With a large amount of holes inside porous metals, a large amount of dyestuffs, the impurity that the supercritical gas after dyeing is precipitated during the pressure relief process
It is filtered.The utility model passes through test of many times, and the time of filtration that cover 220 and tank bottom 210 is arranged is 10-80 μm, herein
Filter effect in range is best.Molecular sieve 300 according to actual needs, including 5A grades of molecular sieves, 4A grades of molecular sieves and 3A fraction
Son sieve.
Recycling knockout drum 200 itself and molecular sieve 300 collectively constitute the filtration system of recycling separating still, specifically, dye
Supercritical gas after color first passes through tank bottom 210, tank bottom 210 is used as first layer behind the inflow of air inlet 110 100 inside of autoclave body
The large scales impurity such as a large amount of dyestuffs, oligomer in gas are carried out first time filtering by filtration system；Filtered gas is from tank
Bottom 210 flows into inside recycling knockout drum 200, flows through molecular sieve 300 and carries out second of filtering, molecular sieve 300 is used as second layer mistake
The dye granule of small size remaining in gas and impurity are further filtered by filter system；By the gas of secondary filter
Gas outlet is flowed out to by cover 220, cover 220 is used as third layer filtration system, carries out to dyestuff remaining in gas, impurity
Third time filters, and further increases filtering purity；Finally, filtered gas flows out to condensing unit from gas outlet 120, carry out
Condensing recovery, in case dyeing uses next time.
The material of pot sidewall 230 is stainless steel, and the gas for avoiding tank bottom 210 from entering is flowed out from pot sidewall 230, so that all
Gas can carry out secondary filter through over-molecular sieve 300, improve filter effect.
Recycle the connection between knockout drum 200 and autoclave body 100 and use such as flowering structure: the side wall of autoclave body 100 is equipped with connection
Portion 140, interconnecting piece 140 and tank bottom 210 are tightly connected.Further, for the ease of installation and removal, interconnecting piece 140 and tank bottom
210 using the form being clamped.Interconnecting piece 140 is the L-type structure being arranged on the inner sidewall of autoclave body 100, and tank bottom 210 is correspondingly set
There are connecting plate 211, one end clamping of interconnecting piece 140 and connecting plate 211.
The inner cavity of autoclave body 100 is divided into cavity of resorption and epicoele, from air inlet by the sealed connection of interconnecting piece 140 and tank bottom 210
110 CO flowed into2Gas is introduced into cavity of resorption, under after intracavitary expansion decompression, becomes gaseous state CO2, it is suspended in gaseous state CO2In dye
Material, oligomer enter epicoele with gas followed by tank bottom 210, molecular sieve 300, cover 220, then flow out from gas outlet 120.
Gas outlet 120 is connected with condensing unit (not shown), and filtered gas flows out to condensation dress from gas outlet 120
It sets, in case dyeing uses next time.
Utilize the specific embodiment of the recycling separation method of above-mentioned supercritical dyeing recycling separating still: by supercritical CO2
The CO of a large amount of dyestuffs, impurity is entrained with after dyeing2Gas imports in recycling separating still from air inlet 110 and carries out Recovery Purifying,
Specific recycling separation includes the following steps:
(1) firstly, by supercritical CO2CO after dyeing2Gas imports in recycling separating still through air inlet 110, CO2Gas
Body expansion decompression in cavity of resorption becomes gaseous state CO2, it is suspended in gaseous state CO2In the gas dyestuff, the impurity that are precipitated during the pressure relief process
It is flowed into inside recycling knockout drum 200 from tank bottom 210, tank bottom 210 is used as first layer filtration system, by the dyestuff, oligomeric in gas
The large scales impurity such as object carries out first time filtering；
(2) then, gas is used as second layer filtration system using molecular sieve 300, molecular sieve 300, will be remaining in gas
Dyestuff, impurity carries out second and filters；
(3) epicoele is flowed out to from cover 220 by the gas of secondary filter, cover 220 is to dyestuff remaining in gas, miscellaneous
Matter carries out third time filtering；
(4) condensing unit condensing recovery is flowed out to from gas outlet 120 by the gas filtered three times, in case dye next time
It uses.
The utility model is described in further detail combined with specific embodiments below.
By supercritical CO2The CO of a large amount of red disperse dyes, fabric impurity, oligomer is accompanied with after dyeing2Gas from into
Port 110 squeezes into intracavitary, CO under recycling separating still2Gas expansion decompression in cavity of resorption becomes gaseous state CO2, it is suspended in gaseous state CO2
In the gas dyestuff, the impurity that are precipitated during the pressure relief process flowed into inside recycling knockout drum 200 from tank bottom, tank bottom 210 is as the
The large scales impurity such as dyestuff, oligomer in gas are carried out first time filtering by one layer of filtration system；Gas is using molecular sieve
300, molecular sieve 300 is used as second layer filtration system, and dyestuff remaining in gas, impurity are carried out second and filtered；By two
The gas of secondary filtering flows out to epicoele from cover 220, and cover 220 carries out third time filtering to dyestuff remaining in gas, impurity；
Condensing unit condensing recovery is flowed out to from gas outlet 120 by the gas filtered three times, in case dyeing uses next time.Recycle it
CO afterwards2Gas again to the yarn dyeing of blank, as a result, it has been found that, yarn has no obvious color, this explanation use the present embodiment
To the CO after dyeing2The filter effect of gas is clearly.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (7)
1. a kind of supercritical dyeing recycles separating still, including autoclave body, the lower part of the autoclave body is equipped with air inlet, the autoclave body it is upper
Portion is equipped with gas outlet, which is characterized in that the inside of the autoclave body is equipped with recycling knockout drum, and the inside of the recycling knockout drum is equipped with
Molecular sieve, the recycling knockout drum includes cover, tank bottom and the pot sidewall being located between the cover and the tank bottom, the tank
The material of lid and the tank bottom is sintering metal porous filter material.
2. supercritical dyeing according to claim 1 recycles separating still, which is characterized in that the material of the pot sidewall is not
Become rusty steel.
3. supercritical dyeing according to claim 2 recycles separating still, which is characterized in that the side wall of the autoclave body, which is equipped with, to be used
In separating tank connected interconnecting piece with the recycling, the interconnecting piece and the tank bottom are tightly connected.
4. supercritical dyeing according to claim 3 recycles separating still, which is characterized in that the tank bottom is equipped with connecting plate,
The interconnecting piece and the connecting plate are clamped.
5. supercritical dyeing according to claim 1 recycles separating still, which is characterized in that the gas outlet is connected with condensation
Device.
6. supercritical dyeing according to any one of claims 1-5 recycles separating still, which is characterized in that the cover and
The time of filtration of the tank bottom is 10-80 μm.
7. supercritical dyeing according to any one of claims 1-5 recycles separating still, which is characterized in that the molecular sieve
Including 5A grades of molecular sieves, 4A grades of molecular sieves and 3A grades of molecular sieves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201821113393.7U CN208771017U (en) | 2018-07-13 | 2018-07-13 | A kind of supercritical dyeing recycling separating still |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821113393.7U CN208771017U (en) | 2018-07-13 | 2018-07-13 | A kind of supercritical dyeing recycling separating still |
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| CN208771017U true CN208771017U (en) | 2019-04-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108815933A (en) * | 2018-07-13 | 2018-11-16 | 青岛即发集团股份有限公司 | A kind of supercritical dyeing recycling separating still and recycling separation method |
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- 2018-07-13 CN CN201821113393.7U patent/CN208771017U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108815933A (en) * | 2018-07-13 | 2018-11-16 | 青岛即发集团股份有限公司 | A kind of supercritical dyeing recycling separating still and recycling separation method |
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