US3451077A - Process and apparatus for the wet treatment of lengths of textile materials and the like - Google Patents

Process and apparatus for the wet treatment of lengths of textile materials and the like Download PDF

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Publication number
US3451077A
US3451077A US631059A US3451077DA US3451077A US 3451077 A US3451077 A US 3451077A US 631059 A US631059 A US 631059A US 3451077D A US3451077D A US 3451077DA US 3451077 A US3451077 A US 3451077A
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US
United States
Prior art keywords
squeezing
liquid
treating
section
bath
Prior art date
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Expired - Lifetime
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US631059A
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English (en)
Inventor
Christian Augu Meier-Windhorst
Alfred Schraud
Helmut Vogeler
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ARTOS ING MEIER WINDHORST KG D
DR ARTOS ING MEIER WINDHORST KG
Original Assignee
ARTOS ING MEIER WINDHORST KG D
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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
    • D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
    • D06B15/02—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by squeezing rollers
    • 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
    • D06B23/24—Means for regulating the amount of treating material picked up by the textile material during its treatment
    • D06B23/28—Means for regulating the amount of treating material picked up by the textile material during its treatment in response to a test conducted on the treating material

Definitions

  • This invention relates to a wet treatment, such as washing, of moving lengths of textile materials and to an apparatus for carrying out this process.
  • An object of the present invention is to eliminate the drawbacks of prior art methods and devices.
  • Another object of the present invention is to process in the best possible manner the actual squeezed out bath produced at the squeezing joint, that is, to separate it from the liquid entrained by the goods as a surface film and to reintroduce it again into the treating process in locations best suited to attain best possible treatment results.
  • the entire treatment is subdivided into several treating sections by subjecting the goods after they have passed through the treating bath of each treating section to a liquid removing treatment in such manner that the baths of the various treating sections remain separated.
  • the treating bath liquid is advantageously directed in countercurrent to the direction of movement of the length of fabric and the entire treatment is divided into at least 5 to 8 treating sections with at least 8 separated baths.
  • the ratio of the liquid which is transported by the fabric in its direction of movement through the separated baths to the treating liquid flowing in the opposite direction, the volume of which is determined by specific liquid consumption, has a decisive influence upon the output of the treatment, whereby this ratio should be as small as possible. Therefore, the liquid removal should be carried out by high output squeezing with a 65-70% squeezing effect. It was found to be particularly advantageous to carry out the high output squeezing in two stages, namely a preliminary squeezing for the removal of the surface liquid and a main squeezing for the removal of the surface liquid and a main squeezing for the removal of liquid located in the core of the fabric. When there are eight separate baths, at least four high output squeezings should be provided between the treating sections. In the other sections lighter squeezings can be provided.
  • a constant concentration gradient between the textile fabric and the treating bath, or one which changes only continuously, should exist in the treating sections through which the fabric is passed.
  • the bath liquids removed preferably at the squeezing locations of the individual treating sections must be reintroduced into the flow of the treating bath at places having the same or similar concentration.
  • the process of the present invention provides an ideal possibility for the automatic regulation of washing machines, since the concentration of the bath in the main squeezing device has a direct connection with the concentration in the fabric itself which is still present.
  • Measuring sensing devices for the regulating apparatus may consist, for example, of conductivity electrodes, pH-measuring devices or devices for measuring turbidity of the bath, of the type well known and generally used.
  • a regulator can regulate the speed of the fabric, the supply of fresh water or the addition of chemicals, depending upon the results of these measurements, for example, depending upon the difference between an actual value and the required value.
  • a wet treating apparatus constructed so as to be capable of carrying out the process of the present invention must be provided with a two step intermediate squeezing device for preliminary and main squeezing behind each treating section or treating range.
  • the part of the intermediate squeezing device intended for main squeezing is preferably constructed as a horizontal two roller squeezer, whereby one roller of the main squeezing section cooperates with a light roller of the preliminary squeezing section.
  • the objects of the present invention will be also attained if the device for the preliminary squeezing is arranged separately from the device for the main squeezing.
  • FIGURE 1 illustrates diagrammatically a washing section with an intermediate squeezer wherein the preliminary squeezing section constitutes a single unit with the main squeezing section.
  • FIGURE 2 illustrates diagrammatically a separate arrangement of the preliminary squeezing section from the main squeezing section.
  • FIGURE 3 illustrates diagrammatically a washing plant for solution washing constructed in accordance with the present invention.
  • the drawings show a bath 12 located in washing sections and used, for example, for the washing of a length 19 of a textile material. This length of material is guided by upper and lower rollers 11 through the Wash ing sections. An intermediate squeezer is located behind each washing section.
  • each squeezer includes two horizontal rollers 13 located next to each other for the main squeezing and a roller 14 for the preliminary squeezing which cooperates with one of the rollers 13.
  • the length of material passes through the preliminary and main squeezing sections and extends over a guide roller 15; it can also be guided over a broad holder 16.
  • Guiding sheets 17 are located under the rollers 13, so that the liquid dropping from the rollers 13 is guided back into the washing section 10.
  • FIG. 2 differs from the device of FIG. 1 substantially in that FIG. 2 shows an intermediate squeezer wherein the rollers 18 used for the preliminary squeezing are separated from the rollers 13 for the main squeezing.
  • the devices shown in FIGS. 1 and 2 may operate by producing in the preliminary squeezing section a light preliminary squeezing of 150 to 200% and in the case of high speeds of about 100 to 120%.
  • the layer of liquid which moves along with the fabric and which does not have a concentration substantially greater than the wash water in the preceding compartment, is then removed and can be guided back into that washing compartment.
  • this liquid can not dilute any more the liquid pressed out in the main squeezing section and thereby prevent its further use on account of a greater drop in concentration.
  • the fabric passes through the main squeezing section wherein a squeezing takes place of from 100 to 120% to 80 to 90% with exchange of concentration in the material.
  • the main squeezing section preferably consists of two horizontal squeezing rollers 13.
  • the arrangement of the rollers and the manner of guiding the fabric make possible an easy collection and removal of the concentnated liquid which is removed in small amounts. This liquid does not flow along the fabric and thus can not dirty the fabric. 011 the other hand, in prior .art squeezing, for example, the white background of printed fabrics was often dirtied. Due to the small amount of the squeezed out liquid, its removal and reintroduction at the proper place are facilitated and can take place with conduits having small diameters.
  • FIG. 3 shows a special plant constructed for solution washing, for example, after bleaching or mercerization.
  • the washing effects depend primarily upon the manner of guiding the bath and the extent of the separation.
  • Fresh water is introduced at 20 and flows in countercurrent through the first four sections. Each section contains two entirely separate baths. Used water is removed at 21.
  • the main bath flow is indicated by the full line 22 while the flow of the squeezed out liquid is indicated by the broken line 23.
  • the plant is provided with a heat exchanger.
  • the last section which also has two separate baths is supplied at 26 with water which has been made salt-free in an ionic exchanger and which after flowing through this section is added to the fresh water.
  • the desired wash effect for example a pH value 4 of 8
  • the hydrolytic balance for example in the case of caustic soda, is so shifted that even lower residual concentrations or pH values may be attained upon the fabric.
  • the concentrated separation of the squeezed out liquid provides an excellent possibility of measuring the wash effect by the conductivity of the squeezed out liquid, for example, by an instrument 25 which measures conductivity in order to regulate water consumption.
  • concentrations of the chemicals in the fabric and in the squeezed out liquid There is a clear interrelationship between the concentrations of the chemicals in the fabric and in the squeezed out liquid.
  • the measurements can be used to regulate values which influence the wash effect which are, for example, water consumption and speed of the fabric.
  • the plant of FIG. 3 has a flow arrangement which is so constructed, for example, through the use of large flow cross sections, that the required countercurrent of the wash bath is assured by a bath level difference of only 10-12 mm. water column from one section to the other.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
US631059A 1966-04-14 1967-04-14 Process and apparatus for the wet treatment of lengths of textile materials and the like Expired - Lifetime US3451077A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA0052160 1966-04-14

Publications (1)

Publication Number Publication Date
US3451077A true US3451077A (en) 1969-06-24

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Application Number Title Priority Date Filing Date
US631059A Expired - Lifetime US3451077A (en) 1966-04-14 1967-04-14 Process and apparatus for the wet treatment of lengths of textile materials and the like

Country Status (8)

Country Link
US (1) US3451077A (de)
CH (2) CH488495A (de)
CS (1) CS158608B2 (de)
DE (1) DE1610884B2 (de)
FR (1) FR1519151A (de)
GB (1) GB1175732A (de)
NL (1) NL6705046A (de)
SE (1) SE313033B (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4213217A (en) * 1977-12-24 1980-07-22 Basf Aktiengesellschaft Process for continuously washing a printed textile sheet-like structure
US5010612A (en) * 1987-05-29 1991-04-30 Vald. Henriksen A/S Method for continuous dyeing of tubular cotton knit fabrics
ES2049591A2 (es) * 1991-10-01 1994-04-16 Borras Colldefors Instalacion para la impregnacion uniforme de una banda textil en movimiento.
EP0593832A1 (de) * 1992-10-23 1994-04-27 Ramon Borras Colldefors Verfahren und Vorrichtung zum gleichmässigen Aufbringen von Flüssigkeit auf eine laufende Textilbahn

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2484107A1 (fr) * 1980-06-06 1981-12-11 Smiljanic Milovan Procede et installation de regulation de la concentration de la teneur en impuretes d'un fluide de traitement
EP0087391A1 (de) * 1982-02-23 1983-08-31 Ciba-Geigy Ag Verfahren und Vorrichtung zum Auftragen eines Chemikals auf eine Materialbahn

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1717375A (en) * 1924-03-11 1929-06-18 Duhamel Elisee Charles Washing wool and other textile materials
US3079782A (en) * 1961-10-24 1963-03-05 Graniteville Co Fabric fluid treating apparatus
US3098370A (en) * 1955-08-17 1963-07-23 Harmon A Poole Treatment of liquid immersed material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1717375A (en) * 1924-03-11 1929-06-18 Duhamel Elisee Charles Washing wool and other textile materials
US3098370A (en) * 1955-08-17 1963-07-23 Harmon A Poole Treatment of liquid immersed material
US3079782A (en) * 1961-10-24 1963-03-05 Graniteville Co Fabric fluid treating apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4213217A (en) * 1977-12-24 1980-07-22 Basf Aktiengesellschaft Process for continuously washing a printed textile sheet-like structure
US5010612A (en) * 1987-05-29 1991-04-30 Vald. Henriksen A/S Method for continuous dyeing of tubular cotton knit fabrics
ES2049591A2 (es) * 1991-10-01 1994-04-16 Borras Colldefors Instalacion para la impregnacion uniforme de una banda textil en movimiento.
EP0593832A1 (de) * 1992-10-23 1994-04-27 Ramon Borras Colldefors Verfahren und Vorrichtung zum gleichmässigen Aufbringen von Flüssigkeit auf eine laufende Textilbahn

Also Published As

Publication number Publication date
CH488495A (de) 1969-12-31
CH520967A4 (de) 1969-12-31
NL6705046A (de) 1967-10-16
CS158608B2 (de) 1974-11-25
SE313033B (de) 1969-08-04
DE1610884A1 (de) 1970-12-17
GB1175732A (en) 1969-12-23
DE1610884B2 (de) 1975-07-03
FR1519151A (fr) 1968-03-29

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