US3905764A - Process and device for the wet treatment and drying of textile material - Google Patents

Process and device for the wet treatment and drying of textile material Download PDF

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Publication number
US3905764A
US3905764A US302854A US30285472A US3905764A US 3905764 A US3905764 A US 3905764A US 302854 A US302854 A US 302854A US 30285472 A US30285472 A US 30285472A US 3905764 A US3905764 A US 3905764A
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United States
Prior art keywords
burning
drying
organic solvent
liquid
aqueous
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US302854A
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English (en)
Inventor
Walter Birke
Der Eltz Hans-Ulrich Von
Franz Schon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BRUCKNER TROCKENTECHIK & Co KG GmbH
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Hoechst AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE2214713A external-priority patent/DE2214713C2/de
Priority claimed from DE19722249950 external-priority patent/DE2249950C3/de
Priority claimed from DE19722249987 external-priority patent/DE2249987C3/de
Priority claimed from DE19722249997 external-priority patent/DE2249997C3/de
Application filed by Hoechst AG filed Critical Hoechst AG
Priority to US05/517,766 priority Critical patent/US3984197A/en
Application granted granted Critical
Publication of US3905764A publication Critical patent/US3905764A/en
Assigned to BRUCKNER TROCKENTECHIK GMBH & CO., KG. reassignment BRUCKNER TROCKENTECHIK GMBH & CO., KG. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: HOECHST ACKTIENGESELLSCHAFT
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Expired - Lifetime legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/005—Drying solid materials or objects by processes involving the application of heat by applying a combustible liquid onto the materials, the liquid being burnt off subsequently
    • 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
    • D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C7/00—Heating or cooling textile fabrics

Definitions

  • the object of the present invention is a process for rinsing or washing and subsequent drying of textile material, in which the material is treated with a bath consisting of or containing a burnable organic solvent or liquid, which process comprises drying the material by burning off the solvent or liquid.
  • burnable organic liquids for the process of the invention are considered all burnable water-insoluble or water-miscible and in combination with emulsifying agents water-insoluble liquids; however, for reasons of safety those liquids are not suitable which have low ignition temperatures, a high heat release and high volatility.
  • Particularly suitable are low aliphatic alcohols, especially methanol, moreover cyclic ethers, especially dioxane.
  • the mentioned solvents are used separately or in mixture with water. It is also possible to use small amounts of such organic solvents which develop high heat release the burning off process, especially when operating with impregnation baths which contain high portions of water.
  • Preferred baths are those which contain about 10 to 90% by volume of alcohol and 90 to 10 by volume of water, preferably to 80 by volume of alcohol.
  • the process is suitable for practically all types of fibres of natural or synthetic origin as well as for all fibre mixtures.
  • the textiles may have all processing states suitable for a continuous method of operation, for example the form of cables, combed material, threads, yarns, woven and knitted fabrics or nonwovens.
  • the process according to the invention is carried out in the following way: the material is treated for example during the washing process in a suitable equipment with a washing liquor which contains besides the detergent additives usual for this process dif ferent amounts of one or several burnable organic liquids. Then the fabric is rinsed once or several times with a bath having the same composition as in the case of the washing process, but without the addition of detergents.
  • This rinsing process with liquors containing a burnable organic liquid may also be carried out after usual wet treatment processes performed in aqueous liquors, such as for example bleaching, washing and dyeing.
  • the liquid being on the material to be dried consists of 30 to 90 7c by volume of a lower aliphatic alcohol, preferably methanol, and of 70 to 10 by volume of water. This is obtained by carrying out the washing and the rinsing process with a bath having the mentioned composition. If wet treating is performed in an aqueous bath the material is expediently rinsed with pure alcohol in order to obtain the proportions indicated.
  • the material or the liquid on the material are adjusted before burning off for reasons of safety by cooling to such temperatures'as to achieve that the moist material shows a temperature of below the ignition point of the liquid used.
  • temperatures'of about 1 to 40C, preferably 1 to 15C, below thecorresponding ignition point are sufficient.
  • the material After rinsing, the material is squeezed off and dried by igniting the burnable organic solvent by means of a suitable ignition device and by burning it down completely. It is recommended to use for reasons of safety those mixtures of water and burnable organic solvents, the ignition points of which are above room temperature. In the case of these mixtures it is necessaryy that the ignition device is adjusted as to provide in the beginning the energy required for heating up the solvent vapors above the ignition point.
  • the burning off process of the liquid on the material is effected in connexion with drying systems already known.
  • the liquid on the material may also be burnt off from one side of the goods and by supplying additional heat, which is carried out according to the present invention preferably while passing the material around a rotating drum.
  • the liquid on the material is heated up to temperatures above the ignition point of the solvent used in each case, for example by an infrared heating device, normally one ignition is sufficient. Ignition expediently takes place close by the heating device.
  • heating of the material is carried out for example by an oil-heated drum, by an infrared or gas irradiation device or in the case of a perforated drum by means of hot air.
  • Additional heating devices along the burning off area are also an advantage when working with liquors which contain a high portion of water.
  • the addition of water also makes possible to control the speed of the burning off process.
  • an optimum mixture may be found, which prevents the fibre material from burning during the burning off process of the liquor.
  • the advantage of the process according to the invention consists in the fact that the textile material may be dried after wet treating processes simply and, if desired, practically without any energy. It has been surprising that the fibre is not damaged by this treatment and that the textile technological properties, for example the touch of the material, is completely maintained.
  • a further advantage of the process of the invention is that the burning off process especially when using methanol does not cause any substances which pollute air or water.
  • the use of mixtures of methanol and water has the further advantage that the speed of the burning off process may be controlled in a simple way by modifying the mixture ratio, and that the natural humidity of the fibre may be better regulated.
  • FIG. 1 is a drying device.
  • FIG. 2 is a modification of the drying device.
  • FIG. 3 is still another modification of the drying device.
  • a dryingdevice suitable for carrying out the process and which is also concerned by the present process generally consist of a burning off chamber. 1 having an inlet and an outlet as well as transport means for the material when passing the equipment, an ignition element 2 and means for the supply of air 3 and for leading off the burning off gases and the steam 4, as illustrated in, thescherne FIGJ.
  • the material 5 may enter the burning off chamber. from above or from below. Fur.- thermore,.certa in s afety devices must be available. If the material is passed from below into the chamber, the ignition device must be adjusted as to insure a continuous burning of the solvent which enters the burning off chamber with the material. If the goods are passed in reverse sense the ignition device has to ignite the solvent vapors only once.
  • the burning off process proceeds automatically, since the moist material is passed into the rising flame.
  • an ignition device In order to obtain a uniform drying of the web of fabric an ignition device must be present on each side of the web of fabric or on both borders.
  • ignition devices are considered for example gas flames or electric ignition devices.
  • the burning off chamber is expediently sealed onthe top by a pair of metal rolls 6.
  • an inlet or outlet slot is. generally sufficjent 7.
  • the metal rolls as well as the inlet or outlet .slot may be provided with sliding bands 8 or other notburnable sealings.
  • the height of the chamber depends on the transport speed of the material and on the type and quantity of the bumable liquid used. For practical reasons the length of the burning off chamber is 0.5 to meters, preferably 1 to 5 meters.
  • the burning off chamber may have a completely or partly open form, whereby the lateral walls are completely or partly dispensed with.
  • a suction device 9 may be stored before the burning off chamber, which device provides that those solvent vapors are suctioned which are given off from the moist material before entering the chamber.
  • a further safety device or device for stopping the machine consists of nozzles 10 which, in the open or semiopen construction type, are directed on the burning off area and which, in the closed form, are placed within the burning off chamber or before the inlet opening and, if desired, before the outlet opening, and through which nitrogen or another gas which .is not bumable and does not maintain the burning off process may be injected.
  • the opening of these nozzles is expediently accompanied by stopping the supplyof oxygen'or air.
  • the material may also be passed from above to below.
  • the ignition device 2 the means for the supply of air'3 and the suction device 9 must be fixed at the upper part of the. burning chamber.
  • the elements used for the transport of the goods are expediently protected against too strong heating by a heat shield 11. Furthermore they are adjustable in height, whereby the length of the drying distance may be varied.
  • heating up devices 12 are placed on both sides, which heat on one hand the bumable liquid being onthe fabric above their ignition point and favour on the other hand the evaporation of the burnable liquid or of the water. Furthermore, they support the heating up of the burning off gases and of the steam, so that these ones may be directly or indirectly used for fixing processes.
  • the drying area are fixed control devices 14 for drying, the regulation of the speed of the material dependently of the burning off area and for the safety devices.
  • the flame is controlled for example by bilateral air nozzles 13 which are also attached on swivel mountings along the burning off area.
  • Another safety device consists in fixing outside the material inlet into the chamber cooling elements for the material to be treated and impregnation bath.
  • Those elements may be composed for examle of a cooling trough with foulard rolls and a cooling drum.
  • FIG. III shows a modification of the above described types of the device according to the invention in case that a rotating perforated drum is used as transport mean for the material, whereby the burning off of the bumable portions of the liquor is effected from one side.
  • the reference numbers used in FIG. III have the following meanings:
  • the dry drum in FIG. III may be closed or perforated.
  • the closed form for example hot water, steam or oil circulating in the drum arrange the impregnation liquorbeing on the material to be heated at a temperature superior to the ignition point.
  • a perforated drum hot air is blown from one side through the textile material, which answers the same purpose. The diameter of this drum de;
  • control apparatusesfixed below or above the ignition device may control for example in the case of a backrunning flame the above-mentioned safety devices and- /or, if desired, the speed of the machine and influence the ignition device.
  • EXAMPLE 1 A mixed fabric of polyester fibres and cotton was treated on a full width washing machine (laboratory plant), in four compartments at 9295C, with an aqueous liquor which contained 1 g/l of a non-ionic detergent on the basis of an alkyl phenol polyglycol ether, 1 g/l of soda and l g/l of a sequestration agent on the basis of a polyphosphate. Between the individual compartments of the washing machine the material was squeezed off in each case. After this washing process the material was rinsed in further compartments of the washing machine first in hot water, then in cold water and finally twice in cold methanol.
  • the fabric was squeezed off and passed through a plant, in which the methanol was removed from the material by buming off and the material dried.
  • EXAMPLE 3 A cotton material was dyed on a jigger in usual manner with vat dyestuffs, then rinsed, oxydated and soaped at the boil in usual manner. The material was then rinsed continuously, as described in Example 1, hot and cold in water and then rinsed three times in cold methanol and finally dried by burning off thesolvent.
  • EXAMPLE 4 A mixed fabric consisting of 67% of polyester fibres and 33% of cotton was treated in a full width washing machine, as described in Example 1, in the following way: washing in four compartments at 50C, with 0.5 g of the oxethylation product from mols of ethylene oxide and 1 mol of nonyl phenol, per liter of a mixture consisting of 75 by volume of methanol and by volume of water, rinsing in three compartments in the same methanol/water mixture.
  • wash or rinse liquid contains a monohydric hydrocarbon alcohol having 1 to 3 carbon atoms.
  • wash or rinse liquid contains between 10 and 90% by volume of the burnable solvent and 90 to 10% by volume of water.
  • a process for washing or rinsing and drying a textile material consisting essentially of washing or rinsing the material in an aqueous bath and applying to the material a burnable organic solvent and drying the material by burning off the organic solvent.
  • aqueous bath consists essentially of an aqueous rinse or wash liquid and the organic solvent.
  • a process for rinsing or washing and drying of textile materials consisting of natural or synthetic fibers or a mixture thereof comprising treating the material in an aqueous bath, said aqueous bath consisting essentially of an aqueous rinse or wash liquid and a burnable organic solvent, the organic solvent selected from the group consisting of a hydrocarbon monohydric alcohol containing one to three carbon atoms, dioxane and a mixture thereof and drying the textile material and re- H 3905 764 7 8 moving the rinse or wash liquid from the material by 10% by volume of water. burning off the organic solvent.
  • the aqueous bath organic solvent mixture consists of between 10 v l and 90% by volume of the organic solvent and 90 to 5 l5.
  • the organic solvent is methanol.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
US302854A 1972-03-25 1972-11-01 Process and device for the wet treatment and drying of textile material Expired - Lifetime US3905764A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/517,766 US3984197A (en) 1972-03-25 1974-10-24 Device for the wet treatment and drying of textile material

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE2214713A DE2214713C2 (de) 1972-03-25 1972-03-25 Verfahren und Vorrichtung zum Naßbehandeln und Trocknen von Textilmaterial
DE19722249950 DE2249950C3 (de) 1972-10-12 1972-10-12 Verfahren und Vorrichtung zum Spülen oder Waschen und Trocknen von Textilmaterial
DE19722249987 DE2249987C3 (de) 1972-10-12 1972-10-12 Verfahren und Vorrichtung zum Spülen oder Waschen und Trocknen von Textilmaterial
DE19722249997 DE2249997C3 (de) 1972-10-12 1972-10-12 Verfahren und Vorrichtung zum Spülen oder Waschen und Trocknen von Textilmaterial

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US05/517,766 Division US3984197A (en) 1972-03-25 1974-10-24 Device for the wet treatment and drying of textile material

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US3905764A true US3905764A (en) 1975-09-16

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US302854A Expired - Lifetime US3905764A (en) 1972-03-25 1972-11-01 Process and device for the wet treatment and drying of textile material

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US (1) US3905764A (US06368396-20020409-C00016.png)
JP (1) JPS5230635B2 (US06368396-20020409-C00016.png)
AR (1) AR208874A1 (US06368396-20020409-C00016.png)
AT (1) AT347901B (US06368396-20020409-C00016.png)
AU (1) AU463757B2 (US06368396-20020409-C00016.png)
BE (1) BE794791A (US06368396-20020409-C00016.png)
CA (1) CA1021111A (US06368396-20020409-C00016.png)
CH (1) CH556424A (US06368396-20020409-C00016.png)
CS (1) CS167368B2 (US06368396-20020409-C00016.png)
DD (1) DD102422A5 (US06368396-20020409-C00016.png)
FR (1) FR2177730B1 (US06368396-20020409-C00016.png)
GB (1) GB1426442A (US06368396-20020409-C00016.png)
IT (1) IT978684B (US06368396-20020409-C00016.png)
NL (1) NL149869B (US06368396-20020409-C00016.png)
SE (1) SE394320B (US06368396-20020409-C00016.png)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991058A (en) * 1972-06-21 1976-11-09 Hoechst Aktiengesellschaft Process for drying chemical products using a burnable organic liquid such as methanol
US3994678A (en) * 1975-05-12 1976-11-30 Oliver Machinery Company Heater for billets
US4443185A (en) * 1979-03-13 1984-04-17 Smith Thomas M Heating of webs
CN103306118A (zh) * 2013-07-04 2013-09-18 吴江市汇泉纺织有限公司 一种微波绒布整形装置
CN103668577A (zh) * 2013-12-13 2014-03-26 吴江明敏制衣有限公司松陵分公司 一种新型吸棉箱
CN108057667A (zh) * 2017-12-13 2018-05-22 张家港市华鸿金属制品有限公司 一种新型胶管钢丝清洗装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES464963A1 (es) * 1976-12-13 1978-08-01 Brueckner Apparatebau Gmbh Procedimiento para la preparacion de 5-(fenil sustprocedimiento para separar impurezas desde material textil. ituido)- oxazolidinonas y sus analogos sulfurados.
CN104275330A (zh) * 2013-07-12 2015-01-14 河南理工大学 一种线材在线清洗装置
CN103710807B (zh) * 2013-12-31 2016-03-30 海澜之家股份有限公司 雕花精纺毛织物的生产方法
WO2018073025A1 (en) 2016-10-19 2018-04-26 Baldwin Jimek Ab Arrangement at spray nozzle chamber
CN107961932A (zh) 2016-10-19 2018-04-27 鲍德温·伊梅克股份公司 喷雾喷嘴装置
SE543963C2 (en) 2020-02-28 2021-10-12 Baldwin Jimek Ab Spray applicator and spray unit comprising two groups of spray nozzles

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2437397A (en) * 1944-09-13 1948-03-09 Delinted Seed Company Delinting cotton seed

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2437397A (en) * 1944-09-13 1948-03-09 Delinted Seed Company Delinting cotton seed

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991058A (en) * 1972-06-21 1976-11-09 Hoechst Aktiengesellschaft Process for drying chemical products using a burnable organic liquid such as methanol
US3994678A (en) * 1975-05-12 1976-11-30 Oliver Machinery Company Heater for billets
US4065249A (en) * 1975-05-12 1977-12-27 Oliver Machinery Company Heater for billets
US4443185A (en) * 1979-03-13 1984-04-17 Smith Thomas M Heating of webs
CN103306118A (zh) * 2013-07-04 2013-09-18 吴江市汇泉纺织有限公司 一种微波绒布整形装置
CN103306118B (zh) * 2013-07-04 2015-04-15 苏州曼诚纺织有限公司 一种微波绒布整形装置
CN103668577A (zh) * 2013-12-13 2014-03-26 吴江明敏制衣有限公司松陵分公司 一种新型吸棉箱
CN103668577B (zh) * 2013-12-13 2016-02-24 吴江明敏制衣有限公司松陵分公司 一种新型吸棉箱
CN108057667A (zh) * 2017-12-13 2018-05-22 张家港市华鸿金属制品有限公司 一种新型胶管钢丝清洗装置

Also Published As

Publication number Publication date
NL7301379A (US06368396-20020409-C00016.png) 1973-09-27
FR2177730B1 (US06368396-20020409-C00016.png) 1976-11-05
CS167368B2 (US06368396-20020409-C00016.png) 1976-04-29
AU5160473A (en) 1974-08-01
CH556424B (de)
JPS5230635B2 (US06368396-20020409-C00016.png) 1977-08-09
BE794791A (fr) 1973-07-31
NL149869B (nl) 1976-06-15
JPS4913492A (US06368396-20020409-C00016.png) 1974-02-05
FR2177730A1 (US06368396-20020409-C00016.png) 1973-11-09
AR208874A1 (es) 1977-03-15
AT347901B (de) 1979-01-25
ATA82173A (de) 1978-06-15
DD102422A5 (US06368396-20020409-C00016.png) 1973-12-12
SE394320B (sv) 1977-06-20
IT978684B (it) 1974-09-20
CA1021111A (en) 1977-11-22
GB1426442A (en) 1976-02-25
AU463757B2 (en) 1975-08-07
CH556424A (de) 1974-11-29

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AS Assignment

Owner name: BRUCKNER TROCKENTECHIK GMBH & CO., KG.8-10 BENZST

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:HOECHST ACKTIENGESELLSCHAFT;REEL/FRAME:003827/0681

Effective date: 19810130