EP0050901A1 - Procédé et installation permettant de traiter une bande de matière en la faisant traverser par le liquide de traitement - Google Patents

Procédé et installation permettant de traiter une bande de matière en la faisant traverser par le liquide de traitement Download PDF

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Publication number
EP0050901A1
EP0050901A1 EP81201170A EP81201170A EP0050901A1 EP 0050901 A1 EP0050901 A1 EP 0050901A1 EP 81201170 A EP81201170 A EP 81201170A EP 81201170 A EP81201170 A EP 81201170A EP 0050901 A1 EP0050901 A1 EP 0050901A1
Authority
EP
European Patent Office
Prior art keywords
web
porous
cylinder
along
porous material
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.)
Withdrawn
Application number
EP81201170A
Other languages
German (de)
English (en)
Inventor
Herman Jozef L. J. Van Der Linden
Roelof Faken
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.)
Brugman Machinefabriek BV
Original Assignee
Brugman Machinefabriek BV
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
Application filed by Brugman Machinefabriek BV filed Critical Brugman Machinefabriek BV
Publication of EP0050901A1 publication Critical patent/EP0050901A1/fr
Withdrawn legal-status Critical Current

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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
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/10—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material
    • D06B1/14—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material with a roller
    • D06B1/16—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material with a roller the treating material being supplied from inside the roller
    • 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
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/08—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating from outlets being in, or almost in, contact with the textile material

Definitions

  • the invention relates to a method of processing a web of material while applying the flow-through principle, the web being conveyed along a contacting member by means of which a process fluid under pressure is passed transversely through said web at a great speed.
  • a method of this kind has been occasionally used in certain embodiments, steam then being used as a process fluid, for removing moisture particles from the web.
  • steam then being used as a process fluid, for removing moisture particles from the web.
  • a porous material having a mesh value of at least 100 is used in the contacting member such, that the pressure drop in the process fluid in the porous material, amounts to at least 5 times the pressure drop through the web, the superficial fluid speed being kept greater than 0,1 m/sec.
  • the term "mesh value" for the porous material as used hereinbefore is analogous to the generally accepted indications, as used for the permeability of perforated plates.
  • a gas aerosol or similar fluid is used as the process fluid.
  • the term "superficial fluid" speed is understood to be the speed through the void cross-section. The difference in pressure drop provides a restriction of leakage losses on either side of the web of material.
  • porous contacting member entails a very intensive treatment per unit area of the web of material, as a result of which the time required for the relative processing can be significantly reduced as compared with the state of art. This results in an increased output of a processing installation having a compact construction which thus far, however, required much space.
  • FR - A - 2 354 824 discloses a method in which pulsations _of the process fluid flow are applied for obtaining a specific finishing effect.
  • no porous material is used.
  • a porous roller is described through which a viscous substance is pressed for impregnating purposes.
  • the present invention relates to a method of dehydrating a textile web down to the swelling-water contents of the fibres while using the expelling principle, the fluid used herein being gaseous and having a temperature of more than 100°C.
  • a method is known from NL - A - 74,12216.
  • the contacting member as used therein is carried out as a venturi slot passage through which overheated steam is made to flow which, when coming into contact with the textile web, has reached approximately the speed of sound.
  • the superficial fluid speed in the porous contacting member exceeds 1,0 m/sec, said porous material having a mesh value which is greater than 200.
  • the method according to the present invention may still be amplified in that, after completing the processing, the web of material is subjected to an additional treatment according to the vaporization principle, in which case the web of material is passed over a roller with a porous surface having a mesh value greater than 200, a hot gas having a temperature of at most 200°C being pressed through this roller at a pressure-drop ratio exceeding 2, while maintaining a total contacting time of more than 1 second.
  • the method according to the invention allows a considerable shortening of the processing time, which results in an increased processing capacity and a more compact construction of the installation.
  • the basic conception underlying the present invention is the use of a contacting member in the form of a porous material
  • a contacting member in the form of a porous material
  • a further aspect of the invention concerning a method of applying a viscous substance on to a web of material while using a rotatable cylinder provided with a permeable surface to which the substance is fed internally, the web then travelling along said surface.
  • a cylinder is used which is provided with a jacket of a porous material having a mesh value greater than 200, the concerning substance being fed at an increased pressure to said cylinder via at least one of its closed ends, said substance being pressed through the porous surface at a speed which is less than 0,01 m/sec.
  • the aforesaid method can be used in at least two manners, one of which, for example, is the printing of a web of material.
  • the web is passed along the greater part of the surface of the porous cylinder, said surface being provided with an impermeable covering in the negative pattern of the design intended.
  • The. invention is furthermore embodied in an installation for performing one or several of the methods described hereinbefore, said installation comprising at least one contacting member and means for conveying at least one web of material along said member under some tension.
  • an installation a very special embodiment of which is also known from the aforementioned NL - A - 74,12216, is characterized according to the invention, in that the contacting member is provided with, or consists of a porous material having a radially outwardly directed curved surface along which the web of material can be conveyed at a relative speed, the opposite face of the porous material being connected to an inlet for process fluid.
  • the installation according to the invention can be used more particularly, for performing a drying process, the time required to this end for contacting the web of material with the porous material, only being a few seconds.
  • An installation consuming little energy can be so designed that the contacting member consists of a double-walled cylinder which - during operation - is kept stationary and of which only the outer surface is porous, said cylinder being provided with a slot passage means - directed according to a generating line - comprising guide means guiding the web processed along the cylinder surface inwardly through said slot passage means.
  • Fig. 1 shows the improved finishing installation according to the invention in its most elementary but also most essential form.
  • Said installation consists of a contacting member 1 in the form of a narrow, hollow pipe, having a diameter of a few centimeters. As can be seen in said figure, both ends of the pipe may be impermeable.
  • a web 2 of material is conveyed along the porous portion of the pipe 1 by means of two guide rollers 3. With the aid of said rollers, the web 2 is made to travel under some tension along the greater portion of the circumference of the porous pipe 1.
  • the pipe 1 is closed at one end, whilst the other end comprises an inlet F for the process fluid.
  • the installation of fig. 2 differs from the embodiment of . fig. 1 in that the contacting member 1 is a porous tube 4 having a diameter larger than that of fig. 1, e.g. of 10-50 cm.
  • the contacting member 1 is a porous tube 4 having a diameter larger than that of fig. 1, e.g. of 10-50 cm.
  • the guide rollers 3 of fig. 1 there are provided supporting rollers 5 by means of which the web 2 of material is made to travel along almost the entire circumference of the pipe 1.
  • the jacket of the tube 4 is made of the same sort of porous material as described hereinbefore with respect to pipe 1 of fig. 1. Hot compressed air of approximately 120°-150°C under an overpressure of 100-200 kPa can be fed to said tube via inlet F.
  • the web 2 of material may thus be subjected to a supplementary treatment according to the vaporization principle.
  • the following values may be given for the speed, dimensions and tensile force of the web 2:
  • porous pipe 1 of the modified embodiment of fig. 1 may be kept stationary, web 2 then travelling along the porous surface.
  • the pipe 1 may also, however, travel along with the web 2, either slowly or at the same speed.
  • the porous tube 4 of the variant according to fig, 2 preferably rotates at a speed corresponding to the travelling speed of the web 2.
  • the contacting member 1 is formed as a porous bar 6 embedded in a rib of a hollow, substantially prismatic holder 7.
  • guide rollers 5 so that the web 2 is conveyed along almost the entire outwardly directed surface of the bar 6.
  • the holder 7 comprises an inlet F for the process fluid.
  • Fig. 3c shows that the bar 6 need not have a circular section, but may have a partially prismatic form.
  • Fig. 4 is a multiple construction of a modified form according to fig. 3a, the hollow holder 8 having a polygonal shape with a number of corner ribs on each of which there is disposed a porous bar 6.
  • the holder is closed at one end, whereas the other end is provided with an inlet F for the process fluid.
  • the holder 8 is rotatably disposed and provided with a drive means (not shown) which produces a rotation of the holder in the same direction as the travelling movement of the web 2, but at a lower speed.
  • Said web 2 is conveyed along almost the entire circumference of the holder 8 by means of two supporting rollers 5.
  • Fig. 5 shows a combined installation which is built up from the elements as shown in figs. 1 and 2.
  • the pipe 1 along which the web of material 2 travels first, is fed with steam as a process fluid in a manner as described with respect to fig. 1.
  • Dry air is fed to the five porous tubes 4 as a process fluid. This sequential arrangement of several porous tubes 4 is required to obtain the necessary contacting time of the web 2 with the process fluid, which time smounts to a few seconds.
  • FIG. 6a, 6b and 6c An alternative solution of said sequential arrangement of - the tubes 4 of fig. 5 is shown in figs. 6a, 6b and 6c.
  • These figures relate to a so-called annular winding drying installation, in which the web of material 2 has been .wound several times around the porous contacting member 1.
  • the web travels to the contacting member 1 via a tension roller 9.
  • Said roller consists of a double-walled cylinder 10, 11 only the outer surface 10 of which being porous.
  • the double-walled cylinder is provided with a slot passage means 12 directed according to a generating line of the cylinder.
  • Fig. 6c shows the guide means (rollers 13) for discharging the web 2 processed along the surface 10, inwardly through the slot passage 12.
  • the process fluid (hot air) is transported under pressure into the annular space 14 between the cylinder jackets 10, 11 and flows, through the superimposed windings of the web 2 about the cylinder, which is stationary during operation.
  • the hot dry air supplied to the space 14 may have an overpressure of 400 kPa and a temperature of 140°C.
  • the various windings of the web 2 present about the cylinder 10, 11 become detached from one another, which condition is maintained because the pressure drop in the hot air proceeding radially outwards, compensates for the tension in the web.
  • the modified embodiment according to fig. 8 shows the contacting member 1 in the form of a porous cylinder 17 by means of which the web of material 2 can be died or printed.
  • the color paste is supplied within the cylinder 17 under some overpressure.
  • the web 2 is conveyed along the greater portion of the surface of the cylinder 17 by means of several supporting rollers.
  • the surface of the cylinder 17 is provided with an impermeable covering in the negative pattern of the intended design.
  • Fig. 10 is a view of dehydrating and drying a fabric web while using, for instance, the installation of fig. 5.
  • the porous contacting members are shown as flat faces over which the fabric 2 travels.
  • A-E may be discerned:
  • the duration of the dehydrating process in the stages A, B and C determines the ratio between the diameter of the porous pipe 1 and the speed of the web of material.
  • the brief residence time in the case of processing thin permeable fabrics and the low speed of travel requires a small pipe diameter.
  • the flash vaporization process in the ambient air during stage D proceeds very rapidly when an appropriate ventilation is used.
  • the discharge air from stage E in counterflow with the fabric web.
  • stage E the same factors as mentioned in stage A play a part, viz., the mesh value, pressure ratio, web tension and diameter of the porous tube.
  • the combined -heat and substance transport entails other numeral values for these factors, also as a result of the different viscosity of the process fluid and the changing permeability of the web of material as processed (fabric and threads).
  • the method according to the invention provides the possi--bility of attaining an intensity of the processing operation, coupled with a proper handling ability of the process and product streams, such that the following practical applications can be achieved:

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Drying Of Solid Materials (AREA)
  • Screen Printers (AREA)
EP81201170A 1980-10-24 1981-10-22 Procédé et installation permettant de traiter une bande de matière en la faisant traverser par le liquide de traitement Withdrawn EP0050901A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8005879 1980-10-24
NL8005879A NL8005879A (nl) 1980-10-24 1980-10-24 Werkwijze en inrichting voor het behandelen van een materiaalbaan.

Publications (1)

Publication Number Publication Date
EP0050901A1 true EP0050901A1 (fr) 1982-05-05

Family

ID=19836063

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81201170A Withdrawn EP0050901A1 (fr) 1980-10-24 1981-10-22 Procédé et installation permettant de traiter une bande de matière en la faisant traverser par le liquide de traitement

Country Status (6)

Country Link
EP (1) EP0050901A1 (fr)
JP (1) JPS57101060A (fr)
BR (1) BR8106862A (fr)
DK (1) DK468881A (fr)
ES (1) ES8305866A1 (fr)
NL (1) NL8005879A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0080177A2 (fr) * 1981-11-25 1983-06-01 BASF Aktiengesellschaft Installation pour l'apport de substances de traitement sur des matières en bandes
EP0278011A1 (fr) * 1986-08-21 1988-08-17 Kanebo, Ltd. Procédé et installation pour créer des rayures colorées sur des matières texiles

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB760394A (en) * 1952-12-11 1956-10-31 Wool Ind Res Association Rollers for furnishing antistatic agents in the processing of textile or other materials
DE2015787A1 (en) * 1970-04-02 1971-11-04 Brückner-Apparatebau GmbH, 6122 Erbach: Applying thin dyestuff solutions
US3865078A (en) * 1972-06-05 1975-02-11 Du Pont Foam finish applicator
FR2255961A1 (en) * 1973-12-28 1975-07-25 Hoechst Ag Fabric fluid impregnation system - has a slitted tube through which fluid is applied under pressure to moving material
FR2298635A2 (fr) * 1973-12-28 1976-08-20 Hoechst Ag Procede et dispositif pour l'impregnation ou le revetement de matieres textiles
FR2348302A1 (fr) * 1976-04-13 1977-11-10 Tissmetal Lionel Dupont Procede de teinture par impregnation mecanique, rouleau d'ensouple permettant la mise en oeuvre de ce procede et installation comportant ledit rouleau d'ensouple
FR2354824A1 (fr) * 1976-06-17 1978-01-13 Holztech Forsch Appareil d'impregnation de bandes en particulier enduites d'un seul cote
FR2377470A1 (fr) * 1977-01-18 1978-08-11 Rimar Meccanica Spa Dispositif d'aspiration dans les installations de traitement de tissus en piece
US4137045A (en) * 1974-09-13 1979-01-30 Brugman Machinefabriek B.V. Method for treating a textile web with steam

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB760394A (en) * 1952-12-11 1956-10-31 Wool Ind Res Association Rollers for furnishing antistatic agents in the processing of textile or other materials
DE2015787A1 (en) * 1970-04-02 1971-11-04 Brückner-Apparatebau GmbH, 6122 Erbach: Applying thin dyestuff solutions
US3865078A (en) * 1972-06-05 1975-02-11 Du Pont Foam finish applicator
FR2255961A1 (en) * 1973-12-28 1975-07-25 Hoechst Ag Fabric fluid impregnation system - has a slitted tube through which fluid is applied under pressure to moving material
FR2298635A2 (fr) * 1973-12-28 1976-08-20 Hoechst Ag Procede et dispositif pour l'impregnation ou le revetement de matieres textiles
US4137045A (en) * 1974-09-13 1979-01-30 Brugman Machinefabriek B.V. Method for treating a textile web with steam
FR2348302A1 (fr) * 1976-04-13 1977-11-10 Tissmetal Lionel Dupont Procede de teinture par impregnation mecanique, rouleau d'ensouple permettant la mise en oeuvre de ce procede et installation comportant ledit rouleau d'ensouple
FR2354824A1 (fr) * 1976-06-17 1978-01-13 Holztech Forsch Appareil d'impregnation de bandes en particulier enduites d'un seul cote
FR2377470A1 (fr) * 1977-01-18 1978-08-11 Rimar Meccanica Spa Dispositif d'aspiration dans les installations de traitement de tissus en piece

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0080177A2 (fr) * 1981-11-25 1983-06-01 BASF Aktiengesellschaft Installation pour l'apport de substances de traitement sur des matières en bandes
EP0080177A3 (en) * 1981-11-25 1983-06-29 Basf Aktiengesellschaft Apparatus for applying treating materials to sheet-like materials
US4534308A (en) * 1981-11-25 1985-08-13 Basf Aktiengesellschaft Apparatus for applying treating media onto webs
EP0278011A1 (fr) * 1986-08-21 1988-08-17 Kanebo, Ltd. Procédé et installation pour créer des rayures colorées sur des matières texiles

Also Published As

Publication number Publication date
JPS57101060A (en) 1982-06-23
ES506512A0 (es) 1983-04-16
NL8005879A (nl) 1982-05-17
ES8305866A1 (es) 1983-04-16
BR8106862A (pt) 1982-07-06
DK468881A (da) 1982-04-25

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19821220

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Inventor name: FAKEN, ROELOF

Inventor name: VAN DER LINDEN, HERMAN JOZEF L. J.