US3710601A - Installation for treatment of textile materials - Google Patents

Installation for treatment of textile materials Download PDF

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Publication number
US3710601A
US3710601A US00140836A US3710601DA US3710601A US 3710601 A US3710601 A US 3710601A US 00140836 A US00140836 A US 00140836A US 3710601D A US3710601D A US 3710601DA US 3710601 A US3710601 A US 3710601A
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Prior art keywords
bath
fraction
components
dyeing
enclosure
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US00140836A
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English (en)
Inventor
R Blanc
A Chapuis
P Gagne
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SOLTEX SOC CIV
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SOLTEX SOC CIV
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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
    • D06B9/00—Solvent-treatment of textile materials
    • D06B9/02—Solvent-treatment of textile materials solvent-dyeing

Definitions

  • NO-I 14 ,836 Apparatus for the treatment of textile materials in a I bath, such as a dyeing bath containing solvents and [30] Foreign Application Priority Data diluents for the dye, including an enclosure for the I dyeing, means for continuously drawing off a fraction May 15,19,7 0 I -Firance .r ..70l774l of the bath, means for Separating the bath ponents, recycling means for reintroducing the C llseparated portion into the bath and regulating devices for regulating volume of the fraction drawn Off from the enclosure.
  • the present invention relates to a novel installation for discontinuously treating textile fibers and materials in a bath containing several vehicles of the treating agent, which permits the removal, duringthe operation and in a regulated way, at least one of the vehicles.
  • This apparatus is, for example, usable in the s-called exhaustion dyeing.
  • the new installation according to the present invention comprises:
  • the treatment enclosure may be any device commonly used in such treatments.
  • a vat may be used which is of a known type provided with cooling and heating elements necesvent in which the dyestuff is insoluble, and finally this l'ast solvent is removed by evaporation.
  • This technology of continuous dyeing suitable only for textiles in fleece form, such as fabrics, jerseys, etc; needs phases of successive recovering of the various solvents used. 7
  • a thermal exchanger in order to modify, if necessary, the temperature of this fraction of the bath, a pump allowing the drawing off of this fraction of the bath, the flow rate of which may be constant or variable with regard to time, aregulat ing device for the rate of drawn off fraction, and, especially for the case in which the pressure in the enclosure is super-atmospheric, and a valve to expand the liquid mixture.
  • this means may also be fitted' with a thermal exchanger; they comprise generally a regulating device for the rate of drawn oft fraction.
  • the means for separating the bath components may be chosen among all devices of known type which are based upon the different volatilities of the mixture components. These devices are useful because, in most cases, the drawn off fraction, even if in vapor phase,
  • the polar solvents may be- .progressively removed from' the bath by drawing off a part of the bathin the liquid the bath in order to compensate for the drawn off part.
  • a flash-pot can be used, with or without a reflux system which leads to a separation of the bath components in a gaseous and a liquid phase.
  • a distillation column can be used which is provided with a rectification section or an exhausting section or both. in every case,'at the head of the flash-pot or the column is located the extraction device for the components to be removed which comprises a piping for collecting the vapors and conducting to a condenser.
  • the condenser there is a collecting device which, in the case of using a flash-pot with reflux or a separation column is connected to a regulating device which controls the quantity of removed component.
  • the reflux rate which depends on the quantity of removed component is regulated, which controls also the extraction speed of the component to be removed from the bath.
  • the fraction drawn off from the bath undergoes a selective and controlled separation, the liquid part intended for being reintroduced in the enclosure having a perfectly controlled composition and containing optionally a determined quantity of component to be removed, this quantity being minimal at the end of the treatment of textiles.
  • the recovery system for the liquid portion, freed of all or part of the component to be removed At the foot of the column or the flash-pot is the recovery system for the liquid portion, freed of all or part of the component to be removed.
  • This system comprises generally a tank and is optionally provided with a broiler. The tank may play the part of a compensating tank if the treatment in the enclosure is achieved with a constant volume of bath.
  • the recycling circuit consists of a set of piping, pump and reheaters which allows the reintroduction into the enclosure, at convenient temperature and pressure, of the liquid part remaining after separation of the component to be removed. Besides, this circuit may have a return in the enclosure located at the foot of the column, ensuring a closed circulation of the recovered component when the bath is at a maximal level.
  • the regulating devices play important parts in the running of the installation according to the invention.
  • the installation according to the invention may comprise also classical regulating devices such as, for example, those which allow the control of the temperature and volume of bath in the enclosure, and so on.
  • FIGS. 1 and 2 wherein:
  • FIG. 1 represents a scheme of the whole of the characteristic parts of the new installation for dyeing operations wherein the bath fraction is drawn off in the liquid phase.
  • FIG. 2 represents a variant of the general scheme of the drawing off of the fraction, a thermal exchanger 8 and a valve 9 allows for drawing off a fraction of the dyeing bath, possibly re-heating at 8 and expanding at 9.
  • devices 5, 6, 7 and 9 may be replaced by a pump which allows the drawing off of a liquid portion at a regulated rate.
  • the pipe 4 leads to separation column 10, possibly provided with a rectification section 11 and an exhausting section 12.
  • a tank 13 filled with diluent by means of piping l4 and used as a compensating tank for dyeing bath 2.
  • a pipe 16 On the bottom of tank 13 is located a pipe 16 connected to a pump 17 and a thermal exchanger 18. Upstream of the thermal exchanger 18 a return pipe 19 connects with a tank 13.
  • a valve 20 is provided in pipe 19 driven by regulator 21 mounted on levelthrottles 22 and 23 of dyeing enclosure.
  • a pipe 24 At the head of the column 10 is located a pipe 24 which connects with a condenser 25, connected to tank 26.
  • the bottom of tank 26 is provided with a piping 27, of siphon type, opening at the column head 10, and also with a piping 28 provided with an extractor 29 having a constant volume, such as a dosimeter-pump or valve, driven by drawing off regulator 30.
  • piping 4 located at the upper portion of vat 1 is provided with the'thermal exchanger 8 and a valve 9 for regulating the rate of the drawn off fraction.
  • the installation according to FIG. 2 is advantageously used when the bath fraction, drawn off in the vapor phase, contains some quantity of diluent which is to be separated and recycled.
  • Installation operation will be understood better by a description of the fluid circulation motion, referred to the dyeing operations.
  • the dyeing bath consists of a mixture of a solvent 8,, generally in minor quantity, having a boiling temperature, 1,, and with a diluent S having a boiling temperature 1 which is in most cases greater than 1,.
  • the dyestuffs used are soluble at any temperature in S, and insoluble or relatively insoluble in S
  • the bath is gradually heated to the required temperature. After a given time, the drawing off of a bath fraction begins.
  • FIG. 1 for dyeing operations wherein the bath fraction is drawn off in the vapor phase.
  • the component to be removed will be called the solvent whereas the component which remains in or returns to the bath will be called the diluent.
  • the dyeing enclosure 1 which may be provided with a condenser (not represented on the drawing) which contains textile material, is filled with a dyeing bath 2.
  • Bath temperature is regulated by thermal regulator 3.
  • the solvent S is condensed in 25 and stored in tank 26
  • the solvent is partly removed by the constant volume extractor 29, driven by regulator 30, while the remaining part is re-introduced by pipe 27 into column 10. If the pipe 27 is closed off the whole of solvent S, is stored in 26.
  • the liquid fraction freed of or weak in S is recovered in tank 13 and recycled at convenient temperature and pressure into the dyeing enclosure thru piping 16, pump 17, and thermal exchanger 18. If the dyeing bath volume is temporarily at its maximal level, the liquid fraction recycles into tank 13 through piping 19 and valve 20 driven by level regulator 21. Progressively the solvent S, content of the dye bath is reduced during the dyeing operation, the content of the bath in S, being very weak or non-existent at the end of the operation.
  • Solvent S may be replaced by a mixture gives excellent results, with textile materials which are in various forms such as especially bobbins, conical bobbins, tubes, cakes, yarns, fabrics, non woven fleeces, jerseys, panels, carpets, etc.
  • EXAMPLE 1 The dyeing of tufted carpet composed'of polyamide 6,6 knop woolsfon jute canvas, having a total weight of l020 gr/m woundon perforated beam was conducted.
  • Bath composition expressed'in volumes was as follows:
  • the dyeing enclosure was an horizontal autoclave, with bath circulation by means of'a pump, only in the centrifugal direction. Pressure was 3 bars while textile material/bath ratio was 1 /8 in volume.
  • the components separation device wasa simple flashpot including a reheater 8" and drawing off and recycling means such as they have been described previously.
  • the bath composition expressed in volume was as follows:
  • the dyeing enclosure operated at atmospheric pressure, while the textile material-bath ratio was H20 in volume.
  • a separation column provided only with a rectification section was utilized; the apparatus included means of drawing off and recycling, such as have been described previously.
  • Dyeing was begun at 20C., then the bath was progressively heated up to 65C. At this temperature bath boiling began,temperature increase of the bath basis of average curve of dyestuffs ascent on polyamide 6.6 with regard to temperature.
  • EXAMPLE 3 The dyeing of pure wool in bobbins of 1 kg. each, on perforated tubes placed on a material-bearer was con-- ducted.
  • Dyestuffs by weight, with respect to the to tal weight I for drawing off and recycling, such as have been described previously.
  • liquids which constitute the treating bath and which may be solvents for the treating agent, liquids in which the treating agent is dispersed, as well as diluents for the treating agent solution.
  • Apparatus for the treatment of textile materials in a bath containing as vehicles of the treating agent, at least two fluid components of different volatilities which can be separated, from which at least one is to be removed during said treatment which comprises:
  • an enclosure for treating textile materials means for drawing off continuously a fraction of said bath, 7 means based upon the differential volatilities of the fluid bath components for separating the fluid bath components to be removed from said fraction, a recycling circuit ensuring re-introduction, into the treatment enclosure, of the liquid part obtained after separat ing bath com onents, regulating devices for regu atmg the volume of the fraction drawn off from said enclosure.
  • Apparatus according to claim 1 wherein the means i 4. Apparatus according to claim 2 wherein the means for drawing off said fraction further comprises a pump.
  • Apparatus according to claim 2 wherein the means for drawing off said fraction further comprises a regulating device for controlling the rate of drawn off fraction.
  • Apparatus according to claim 1 wherein the means forseparating the components to be removed comprises a flashpot at the head of which is situated an extraction device for the component to be removed.
  • Apparatus according to claim 1 wherein the means for separating the components to be removed comprises a distillation column provided with a rectification section, at the head of which is situated an extraction device for the component to be removed.
  • Apparatus according to claim 1 wherein the means for'separating the components to be removed comprises a distillation column provided with an exhausting section, at the head of which is situated an extraction device for the component to be removed.
  • Apparatus according to claim 10 wherein the column is further provided with a rectification section.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Coloring (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
US00140836A 1970-05-15 1971-05-06 Installation for treatment of textile materials Expired - Lifetime US3710601A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR707017741A FR2088081B1 (enrdf_load_stackoverflow) 1970-05-15 1970-05-15

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US3710601A true US3710601A (en) 1973-01-16

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US00140836A Expired - Lifetime US3710601A (en) 1970-05-15 1971-05-06 Installation for treatment of textile materials

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US (1) US3710601A (enrdf_load_stackoverflow)
JP (1) JPS5119056B1 (enrdf_load_stackoverflow)
BE (1) BE767222A (enrdf_load_stackoverflow)
CH (1) CH527326A (enrdf_load_stackoverflow)
DE (1) DE2124102C3 (enrdf_load_stackoverflow)
FR (1) FR2088081B1 (enrdf_load_stackoverflow)
GB (1) GB1342795A (enrdf_load_stackoverflow)
IL (1) IL36849A (enrdf_load_stackoverflow)
NL (1) NL170652C (enrdf_load_stackoverflow)
SE (1) SE380841B (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2730782A1 (de) * 1976-08-10 1978-02-16 Martin Processing Co Inc Vorrichtung zum kontinuierlichen faerben von textil- oder kunststoffen
US5314504A (en) * 1990-11-15 1994-05-24 E. I. Du Pont De Nemours And Company Process for the application of dye fixing agents to polyamide fiber utilizing controlled fixing agent addition
US5318598A (en) * 1990-11-15 1994-06-07 E. I. Du Pont De Nemours And Company Nonaqueous polyamide dyeing process utilizing controlled dye addition
US5366511A (en) * 1992-05-15 1994-11-22 E. I. Du Pont De Nemours And Company Wool dyeing utilizing controlled dye addition
US20200071881A1 (en) * 2016-12-13 2020-03-05 Ecc See Level Innovation Llc New Processes for Photo Real Embroidery Technology for Garments in Sustainable and Eco-Friendly Ways

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1382812A (en) * 1971-04-03 1975-02-05 Coats Ltd J P Process and apparatus for producing dyed and cleaned material
EP2186934A1 (en) * 2008-11-14 2010-05-19 Alix 161 S.R.L. Device and method for dyeing fibres and fabrics
GB2592306B (en) * 2019-08-20 2023-02-01 Huddersfield Dyeing Co A method and system for dyeing material

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3177126A (en) * 1958-10-03 1965-04-06 Charreau Paul Auguste Joseph Process and apparatus for purifying solvents, more especially for the dry cleaning industry

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938947A (enrdf_load_stackoverflow) * 1972-08-17 1974-04-11

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3177126A (en) * 1958-10-03 1965-04-06 Charreau Paul Auguste Joseph Process and apparatus for purifying solvents, more especially for the dry cleaning industry

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2730782A1 (de) * 1976-08-10 1978-02-16 Martin Processing Co Inc Vorrichtung zum kontinuierlichen faerben von textil- oder kunststoffen
US5314504A (en) * 1990-11-15 1994-05-24 E. I. Du Pont De Nemours And Company Process for the application of dye fixing agents to polyamide fiber utilizing controlled fixing agent addition
US5318598A (en) * 1990-11-15 1994-06-07 E. I. Du Pont De Nemours And Company Nonaqueous polyamide dyeing process utilizing controlled dye addition
US5366511A (en) * 1992-05-15 1994-11-22 E. I. Du Pont De Nemours And Company Wool dyeing utilizing controlled dye addition
US20200071881A1 (en) * 2016-12-13 2020-03-05 Ecc See Level Innovation Llc New Processes for Photo Real Embroidery Technology for Garments in Sustainable and Eco-Friendly Ways

Also Published As

Publication number Publication date
FR2088081B1 (enrdf_load_stackoverflow) 1973-03-16
GB1342795A (en) 1974-01-03
FR2088081A1 (enrdf_load_stackoverflow) 1972-01-07
NL7106532A (enrdf_load_stackoverflow) 1971-11-17
BE767222A (fr) 1971-11-16
IL36849A (en) 1974-11-29
DE2124102C3 (de) 1980-10-16
DE2124102B2 (de) 1980-01-31
NL170652C (nl) 1982-12-01
SE380841B (sv) 1975-11-17
DE2124102A1 (de) 1971-12-02
JPS5119056B1 (enrdf_load_stackoverflow) 1976-06-15
IL36849A0 (en) 1971-07-28
CH527326A (fr) 1972-08-31

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