EP0133897B1 - Verfahren und Vorrichtung zum Trocknen von strangförmigem Textilgut - Google Patents

Verfahren und Vorrichtung zum Trocknen von strangförmigem Textilgut Download PDF

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Publication number
EP0133897B1
EP0133897B1 EP84107371A EP84107371A EP0133897B1 EP 0133897 B1 EP0133897 B1 EP 0133897B1 EP 84107371 A EP84107371 A EP 84107371A EP 84107371 A EP84107371 A EP 84107371A EP 0133897 B1 EP0133897 B1 EP 0133897B1
Authority
EP
European Patent Office
Prior art keywords
drying
moisture
jet
gas
air
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
Application number
EP84107371A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0133897A1 (de
Inventor
Wilhelm Christ
Hans-Ulrich Dr. Von Der Eltz
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.)
Then Maschinen und Apparatebau GmbH
Original Assignee
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
Application filed by Hoechst AG filed Critical Hoechst AG
Publication of EP0133897A1 publication Critical patent/EP0133897A1/de
Application granted granted Critical
Publication of EP0133897B1 publication Critical patent/EP0133897B1/de
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • 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
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/28—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics propelled by, or with the aid of, jets of the treating material
    • 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
    • D06B15/09—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by jets of gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/101—Supporting materials without tension, e.g. on or between foraminous belts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/101—Supporting materials without tension, e.g. on or between foraminous belts
    • F26B13/103—Supporting materials without tension, e.g. on or between foraminous belts with mechanical supporting means, e.g. belts, rollers, and fluid impingement arrangement having a displacing effect on the materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
    • F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
    • F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
    • F26B15/122—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of material being carried by transversely moving rollers or rods which may rotate
    • F26B15/124—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of material being carried by transversely moving rollers or rods which may rotate the objects being yarn hanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
    • F26B21/08—Humidity
    • F26B21/086—Humidity by condensing the moisture in the drying medium, which may be recycled, e.g. using a heat pump cycle

Definitions

  • the present invention relates to a method for pre-drying or drying textile webs or knitted fabrics in strand form, as well as a device which is suitable for this and works according to the jet principle and which also ensures the feed of the fiber material through the system.
  • gas and liquid flow can be alternated or combined in accordance with the process control for the drive of the strand during the different treatment stages, which allows a seamless transition from one dyeing step to another without a standstill and under isothermal conditions, it was previously relied on for the drying of the wet-treated textile material in this way interrupting the spraying and thus the operation and, after removing the goods from the dyeing jet, performing the drying operation on a separate system of the usual type.
  • drying facilities are to be aimed at, with which the goods can be dried in the same presentation form in which the wet finishing was carried out.
  • DE-OS 3 046 292 describes a process for drying textile material in web form, according to which the moist goods are guided within a boiler that is sealed from the outside atmosphere during the continuous passage through a plurality of pipe section sections arranged one behind the other and in the broad form of the action of one in the longitudinal direction thereon is exposed to a pressurized steam-air mixture.
  • tumblers i.e. Rotating drums are considered, in which the dry material is whirled around without tension and without pressure and the desired effect is achieved due to the intensive mechanical movement.
  • the object of the present invention is now to develop a drying technology which is tailored specifically to the needs of devices which work according to the jet principle, so that the wet finishing together with the subsequent dewatering can be carried out in one train without the goods flow having to be interrupted and the time and thermal energy losses that have occurred due to the inevitable change of the system can be avoided or the quality of the goods treated in this way does not result as a result of the additional loading operation.
  • the present invention thus relates to a discontinuous process for the partial or complete drying of strands of textile fabrics or knitted fabrics circulating in jet piece dyeing systems in endless form following a wet treatment operation for textile finishing using the pull-out technique, the feed for the transport of the fiber material within the closed system takes place via the actuation of the nozzle system, characterized in that immediately after the wet refinement and after draining the treatment liquid from this previous processing step, evaporation drainage of the same to a certain residual moisture content is carried out in the course of the movement of the wet-refined wet strand of goods which has now been taken over and maintained by a gas stream when meeting and subsequent flow around with the circulated in the same apparatus arrangement via an associated separate circuit n drive gas, preferably steam-air mixture, which has been compressed and heated to a predetermined overpressure, which increases the density, the flow rate and the kinetic energy of the transport gas, which now also functions as a drying medium, in accordance with the pressure increase and the heat supply in the overall system, that the adhering material
  • the drying medium controlled in air recirculation mode - as in the case of pure goods transport - is guided tangentially to the direction of travel with simultaneous flow around the strand-like textile material, with the drying process as such - depending on the air speed and the type of moisture binding to the substrate - both mechanical drainage Turbulence and separation as well as thermal measures for the evaporation of the material moisture include.
  • the heat required to heat the textile material running in the form of a strand is preferably taken from a steam-air mixture.
  • This desiccant flows in a closed system in the circuit, which is started by the power of a blower and is compressed by the same to the back pressure caused by the air volume.
  • the delivery head ie the total pressure difference that the compressor has to overcome, corresponds to the sum of all resistances for an intended gas volume when flowing through the circulation system including the goods. Since the present invention relates to evaporation drying, the steam-air mixture - except for the application of kineti sher energy via the compressor work - to achieve the desired drying speed, thermal energy is supplied via an air heater. This is built into the circuit on the pressure side of the compressor.
  • the heat is given off to the continuously moving textile goods mainly within the nozzle section and the downstream transport section, on which the goods are accompanied by the gaseous heating medium.
  • Adequate contact between the drying air and the strand of goods is ensured by the fact that the material to be dried, which is not specially laid out, is a quasi-open surface with corresponding free spaces.
  • a more extensive penetration of the strand-like article with the drying air is then further promoted by a certain loosening of the packing density of the goods after passage of the nozzle in the course of the subsequent path through the drying zone.
  • moisture is transported to the outer areas initially due to capillary forces and in the further drying stage via vapor diffusion, as there is a difference in moisture and temperature from the surface at this point.
  • thermodynamic conditions for the drying agent within the nozzle and the state changes on the way to the suction port of the compressor can be represented in a moist air diagram.
  • the strand-like fiber material is dried immediately afterwards.
  • the goods are passed into a separate dryer with several compartments to be shut off with the aid of the compressor connected to the nozzle dyeing machine.
  • the moisture transferred into the gas space and absorbed by the gas stream is then removed from the circulating line of goods in this way and the moist air mixture formed on this occasion is removed from the treatment zone at the end of the common transport route and measures for drying are carried out.
  • the recooling required to separate the moisture from the oversaturated exhaust air takes place in an air cooler to the recooling temperature specified by the respective drying process.
  • the moisture which condenses when the temperature falls below the dew point coalesces in the downstream water separator, whereupon the gaseous medium thus dried is again fed to the circuit, compressed and heated and brought to action again on the moist strand material.
  • a device suitable for carrying out the claimed method, to which the present invention also relates consists of a conventional jet dyeing system (A) with a liquor circuit (B) for the hydraulic drive of textile fabric strands (W) in endless form by means of a treatment liquid Actuation of a built-in nozzle system (D), which is connected to a separate circuit (E) guided via the same nozzle arrangement (D) for a gas flow that may support or advance the product feed and includes a limited distance from the nozzle arrangement (D) along which the goods line (W) in the absence of liquid transport and out of service set circuit (B) is exposed to the influence of the kinetic energy of the drive gas, and is characterized in that in the gas circuit (E) - arranged in the order given - a blower (1) for compressing the gaseous medium and additional means for subsequent heating (2 ) of the same, following the aerodynamically effective contact section for the drive gas for the transport of goods together with the circulating textile material, means for recooling (3) the resulting gas stream including moisture removal from it
  • Fig. 1 the parts of the jet dyeing machine designated by the letters A, B and C largely correspond to the prototype of such a device as is described in detail in US Pat. No. 3,949,575.
  • the surface moisture is detached from the textile material and, as it were, eliminated as a mist in the form of the finest water droplets from the gas stream acting as a vehicle from the goods strand.
  • the intensity of this drying section corresponds to that of mechanical dewatering, as can be achieved in a centrifuge, but the goods are dried without wrinkling.
  • the gaseous drying agent compressed in the fan 1 to the back pressure caused by the amount of air in the downstream air heater 2 is set to a predetermined value Drying temperature warmed up and the moisture in the goods gradually evaporated under the influence of the heat contained in the drying air.
  • a heated steam-air mixture can preferably be used instead of air as the operating gas for the desiccant circuit by supplying steam via the connection 7.
  • the steam-air mixture which is laden with moisture and emerges from the drying vessel A (dyeing jet) is cooled to the intended recooling temperature during passage through an air cooler 3, whereupon in a downstream separator 4
  • the supersaturated water content contained in the exhaust air is below Condensation is separated and is removed through the drain 9.
  • the almost water-free drying air leaving the water separator 4 or the dry-saturated steam-air mixture is then sucked in and compressed again with the aid of the blower 1 and, after subsequent warming up in the air heater 2, again in the drying vessel A to act on the goods W. - and passed through.
  • the specified state values of the moist air mixture in the machine system are controlled and the injection nozzle 8 atomizes a specified amount of water per unit of time for a certain period of time in the circuit. This will expediently happen when the desired degree of drying is reached.
  • FIG. 2 a simplified graphical representation of the drying process for a specific drying section is shown in FIG. 2 in an H, x diagram of humid air with flat rectangular coordinates:
  • the steam-air mixture in the circulating air with the status L1 hits the damp goods.
  • the state L1 can be characterized by the values heat content H, steam or moisture content x and temperature.
  • the drying air then flows in contact with the goods to be dried from the nozzle via a common transport path and the goods store to the exit point from the drying vessel.
  • the state L1 of the drying air changes approximately on a straight line, the direction of which can be plotted over the marginal scale AH / Ax, taking into account the good temperature for the steady state.
  • the condition L2 of the drying air reflects the conditions at the outlet of the goods store, depending on the drying process.
  • the state L4 of the drying air characterizes its condition at the intake port of the blower 1, the drying air being heated to the state L5 by the amount of the compression work in the course of the subsequent compression with the moisture content unchanged.
  • the subsequent section of the route from state L5 to state L1 then provides information about the amount of heat given off by the supply of heat from the air heater 2 to the drying air.
  • the state L2 in the diagram explained above generally corresponds to the result of the interaction of the influences of two amounts of moist air, namely formed from the amount that flows into the nozzle from the compressor and the amount that is sucked into the nozzle with the goods.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Drying Of Solid Materials (AREA)
EP84107371A 1983-06-30 1984-06-27 Verfahren und Vorrichtung zum Trocknen von strangförmigem Textilgut Expired EP0133897B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833323506 DE3323506A1 (de) 1983-06-30 1983-06-30 Verfahren und vorrichtung zum trocknen von strangfoermigem textilgut
DE3323506 1983-06-30

Publications (2)

Publication Number Publication Date
EP0133897A1 EP0133897A1 (de) 1985-03-13
EP0133897B1 true EP0133897B1 (de) 1988-03-30

Family

ID=6202730

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84107371A Expired EP0133897B1 (de) 1983-06-30 1984-06-27 Verfahren und Vorrichtung zum Trocknen von strangförmigem Textilgut

Country Status (10)

Country Link
US (2) US4829620A (ko)
EP (1) EP0133897B1 (ko)
JP (1) JPS6023772A (ko)
KR (1) KR940004980B1 (ko)
CA (1) CA1258768A (ko)
DE (2) DE3323506A1 (ko)
DK (1) DK158591C (ko)
ES (1) ES533799A0 (ko)
PT (1) PT78800B (ko)
ZA (1) ZA844974B (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19813477C2 (de) * 1998-03-27 2001-11-08 Then Maschinen Und Appbau Gmbh Verfahren und Vorrichtung zur Behandlung von strangförmigem Textilgut

Families Citing this family (22)

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Publication number Priority date Publication date Assignee Title
DE3818414A1 (de) * 1988-05-31 1989-12-07 Then Masch & App Verfahren und vorrichtung zum behandeln von textilgut
US5170523A (en) * 1990-07-24 1992-12-15 Scholl America, Inc. Method and apparatus for wet processing of fabric
DK9691D0 (da) * 1991-01-21 1991-01-21 Henriksen Vald As Anlaeg til kontinuerligt at toerre og krympe baner af tekstilmateriale
DE4324491C2 (de) * 1993-07-21 1997-02-06 Mahlo Gmbh & Co Kg Verfahren und Vorrichtung zur Messung organischer und anorganischer Begleitfrachten in Textilgut
DE9311137U1 (de) * 1993-07-26 1993-10-28 Veit Gmbh & Co, 86899 Landsberg Vorrichtung zur Dampfbehandlung und Heißluftbehandlung von Kleidungsstücken
DE4426336A1 (de) * 1993-08-23 1995-03-02 Thies Gmbh & Co Verfahren zur Behandlung einer textilen Warenbahn sowie Vorrichtung zur Durchführung desselben
DE19517298C1 (de) * 1995-05-11 1996-05-30 Krantz Textiltechnik Gmbh Vorrichtung zum Behandeln von Textilgut in Form mindestens eines endlosen Stranges
US5894747A (en) * 1996-07-24 1999-04-20 International Dyeing Equipment, Inc. Jet dyeing machine
US6578390B2 (en) * 2001-11-16 2003-06-17 Chi-Lung Chang Anti-pilling machine
US6672114B2 (en) * 2002-01-10 2004-01-06 Milliken & Company Apparatus for batch dyeing
JP2006136511A (ja) * 2004-11-12 2006-06-01 Matsushita Electric Ind Co Ltd ドラム式洗濯乾燥機
DE102004061186B4 (de) * 2004-12-20 2007-06-21 Then Maschinen (B.V.I.) Ltd., Road Town Verfahren und Vorrichtung zum Behandeln von strangförmiger Textilware
JP4478584B2 (ja) * 2005-01-17 2010-06-09 株式会社ミツトヨ 位置制御装置、測定装置および加工装置
US7921578B2 (en) * 2005-12-30 2011-04-12 Whirlpool Corporation Nebulizer system for a fabric treatment appliance
EP1835061B1 (en) * 2006-03-16 2009-12-02 Canlar Makina Sanayi ve Ticaret Ltd. Sti. Method and assembly for combined wet and dry treatment of textile articles in rope form
US7181864B1 (en) 2006-03-31 2007-02-27 Honda Motor Co., Ltd. Dehydration of body hem flanges
DE102007036408B3 (de) * 2007-08-02 2008-12-18 Then Maschinen Gmbh Vorrichtung zum Behandeln von strangförmiger Textilware
WO2010107678A1 (en) * 2009-03-20 2010-09-23 3M Innovative Properties Company Sintering support and methods
MX2017014106A (es) 2015-05-08 2018-07-06 Thies Gmbh & Co Kg Procedimiento de tratamiento de un sustrato textil, asi como dispositivos para la realizacion del procedimiento.
CN106595261B (zh) * 2016-12-12 2019-01-11 顾正娣 一种面料干燥装置及干燥方法
JP6513299B2 (ja) * 2017-02-09 2019-05-15 株式会社アルバック 真空乾燥装置及び方法
CN111826856A (zh) * 2020-08-10 2020-10-27 江阴月发印染机械有限公司 连续绳状染色水洗机及其操作方法

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DE1785141A1 (de) * 1968-08-16 1972-01-13 Brueckner Appbau Gmbh Verfahren zum Strangfaerben oder -waschen sowie Trocknen von Warenbahnen
FR2062685A5 (ko) * 1969-10-27 1971-06-25 Seco Maschinenbau Gmbh
US3921420A (en) * 1972-12-26 1975-11-25 Gaston County Dyeing Mach Apparatus for wet processing of textile materials
GB1433525A (en) * 1973-04-03 1976-04-28 Pegg S & Son Ltd Finishing of textiles
US3949575A (en) * 1974-07-17 1976-04-13 Gaston County Dyeing Machine Company Jet machine and processing method
JPS5146192A (ko) * 1974-10-18 1976-04-20 Hitachi Ltd
DE3066560D1 (en) * 1979-02-17 1984-03-29 Hoechst Ag Method for treating textiles in jet-dyeing devices
DE3142200A1 (de) * 1981-10-24 1983-05-05 Hoechst Ag, 6230 Frankfurt Verfahren zum behandeln von textilgut in jet-faerbeanlagen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19813477C2 (de) * 1998-03-27 2001-11-08 Then Maschinen Und Appbau Gmbh Verfahren und Vorrichtung zur Behandlung von strangförmigem Textilgut

Also Published As

Publication number Publication date
KR850000653A (ko) 1985-02-28
JPS6023772A (ja) 1985-02-06
US4829620A (en) 1989-05-16
ES8503829A1 (es) 1985-03-01
DK158591C (da) 1991-09-16
KR940004980B1 (ko) 1994-06-09
JPH0380912B2 (ko) 1991-12-26
DE3470185D1 (en) 1988-05-05
DK321984A (da) 1984-12-31
DK158591B (da) 1990-06-11
PT78800B (en) 1986-06-02
US4903509A (en) 1990-02-27
ZA844974B (en) 1985-02-27
EP0133897A1 (de) 1985-03-13
CA1258768A (en) 1989-08-29
DK321984D0 (da) 1984-06-29
DE3323506A1 (de) 1985-01-10
PT78800A (en) 1984-07-01
ES533799A0 (es) 1985-03-01

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