EP1236823B1 - Procédé pour le traitement au mouillé du linge - Google Patents

Procédé pour le traitement au mouillé du linge Download PDF

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Publication number
EP1236823B1
EP1236823B1 EP02000840A EP02000840A EP1236823B1 EP 1236823 B1 EP1236823 B1 EP 1236823B1 EP 02000840 A EP02000840 A EP 02000840A EP 02000840 A EP02000840 A EP 02000840A EP 1236823 B1 EP1236823 B1 EP 1236823B1
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EP
European Patent Office
Prior art keywords
liquid
temperature
zone
laundry
laundry items
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
EP02000840A
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German (de)
English (en)
Other versions
EP1236823A2 (fr
EP1236823A3 (fr
Inventor
Falk F. Mehrmann
Wilhelm Bringewatt
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.)
Kannegiesser Hoya GmbH
Original Assignee
Pharmagg Systemtechnik GmbH
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 Pharmagg Systemtechnik GmbH filed Critical Pharmagg Systemtechnik GmbH
Publication of EP1236823A2 publication Critical patent/EP1236823A2/fr
Publication of EP1236823A3 publication Critical patent/EP1236823A3/fr
Application granted granted Critical
Publication of EP1236823B1 publication Critical patent/EP1236823B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F31/00—Washing installations comprising an assembly of several washing machines or washing units, e.g. continuous flow assemblies
    • D06F31/005—Washing installations comprising an assembly of several washing machines or washing units, e.g. continuous flow assemblies consisting of one or more rotating drums through which the laundry passes in a continuous flow

Definitions

  • the invention relates to a method for the wet treatment of laundry items according to the preamble of claim 1.
  • liquids are used, which is essentially water.
  • the liquid contains additives such as finishing agents.
  • the unbound liquid in the laundry items (referred to in the jargon as "free liquor") is removed or separated from the laundry items.
  • the so-called "bound liquor” is mechanically separated off.
  • the rest of the bound liquor remaining in the laundry is removed by subsequent drying of the laundry.
  • EP-A-1 076 127 The disadvantage of this is the time and energy consuming drying the laundry.
  • DE 44 35 846 A discloses a drum with a single-chamber household washing machine, which should also be used for commercial purposes, in the last rinse the laundry items are rinsed warm, whereby the final spin of heated thereby garments a significantly greater drainage effect can be achieved should.
  • the invention is an object of the invention to provide a method that simplifies the drying of the laundry items.
  • a method for achieving this object comprises the measures of claim 1. Accordingly, the non-bound in the laundry liquid (free liquor) is removed before the treatment of the laundry items in the last treatment zone and replaced by warmer liquid.
  • the treatment in the last treatment zone then takes place with liquid of higher temperature, so that after completion of the treatment, the bound liquor remaining in the laundry has a higher temperature and, accordingly, a larger part of this bound liquor, following the treatment, is mechanically separated by a separate drainage device, For example, a press or spin, can be removed from the laundry and removed in the subsequent drying only a relatively small part of the liquid or moisture from the laundry, must be.
  • a separate drainage device For example, a press or spin, can be removed from the laundry and removed in the subsequent drying only a relatively small part of the liquid or moisture from the laundry, must be.
  • the warmer fluid has a lower surface tension and also a lower viscosity.
  • a larger part of the liquid or moisture (bound liquor) contained in the laundry items can be mechanically removed from the laundry items following the aftertreatment.
  • the remaining moisture content of the items of laundry is lower than in conventional methods, in which work is carried out in the last treatment zone, in particular during an after-treatment, with colder liquid which is only slightly above the room temperature.
  • the mechanically separated mostly from the laundry bound liquor, namely the liquid forming them, and preferably also the free liquor is recycled, if necessary, back to the beginning of the last post-treatment zone.
  • the circulated warmer liquid from the last treatment zone is temporarily stored. This is the Liquid collected from the laundry mechanically bound fleet and in particular the free fleet collected in a storage tank and fed back from this, if necessary, subsequent laundry at the beginning of the last treatment zone.
  • the intermediate storage of the liquid of the bound liquor allows a discontinuous supply of this liquid to the last treatment zone.
  • the liquid is further provided to reheat the liquid accumulating on, for example, a dewatering press when returning it to the beginning of the last treatment zone and / or in the intermediate container or storage container.
  • the liquid is brought to a temperature such that at the end of the wet treatment of the laundry items in the last treatment zone and especially when separating the bonded liquor from the laundry behind the last treatment zone, the liquid of the bonded liquor still sufficient high temperature, which allows to separate a large part of the bound liquor from the laundry.
  • the temperature of the liquid in the last treatment zone is chosen according to the invention to be 20 ° C to 40 ° C above the average outside temperature and / or 10 ° C to 50 ° C above the temperature of the liquid at the end of the treatment zone preceding the last treatment zone , As a result, the temperature of the liquid in the last treatment zone is above about 40 ° C to 80 ° C. In the case of items of laundry which allow a higher temperature due to their fabric, the liquid in the last treatment zone may also have over 80 ° C.
  • the temperature of the liquid at the time of introduction into the last treatment zone is about 60 ° C.
  • the temperature of the liquid of the preceding treatment zone is only about 30 ° C.
  • the stated temperatures of the liquid of the last treatment zone in particular a temperature in the range of about 60 ° C, causes the mechanical separation of a part of the bound liquor from the laundry, the temperature of the liquid or moisture in the laundry always significantly above Ambient temperature or the temperature of the liquid at the end of the preceding Treatment zone is located. In practice, this temperature will be only a few degrees below the inlet temperature of about 60 ° C.
  • the device shown here is a continuous washing machine 10 with partially shown additional components.
  • items of laundry not shown, which may be all types of textiles, for example, clothing, flat linen, washed by the line and optionally subsequently subjected to a post-treatment.
  • the aftertreatment is an item of laundry.
  • the continuous washing machine 10 has an elongated drum 11 which is rotatably drivable about a horizontal longitudinal central axis 12.
  • the drum 11 of the continuous washing machine 10 is subdivided into different treatment zones, namely a washing zone 13, a rinsing zone 14 and a finishing zone 15.
  • the washing zone 13, rinsing zone 14 and finishing zone 15 are arranged consecutively in the treatment device 16 in the drum 11 of the continuous washing machine 10.
  • the washing zone 13 and the rinsing zone 14 are formed by a plurality of washing chambers 17 and rinsing chambers 18, which follow each other in the longitudinal direction of the drum 11, of which only some are shown in the figures.
  • the treatment direction 16 also runs in the longitudinal direction of the drum 11.
  • the number of successive washing chambers 17 and washing chambers 18 of the washing zone 13 and the washing zone 14 can vary depending on the size and performance of the continuous washing machine 10.
  • the finishing zone 15 only needs to have a single finishing chamber 19 in the device according to the invention. If required, however, several consecutive equipment chambers 19 may also be provided.
  • an input hopper 20 is seen before, on what the laundry items to be washed in the washing zone 13 of the continuous washing machine 10 can be promoted. Feeding (flooding) the items of laundry in the continuous washing machine 10 is carried out with the addition of liquids, especially water, whereby moistened in the area of the input hopper 20 still substantially dry items of laundry and conveyed together with a liquid flow in the continuous washing machine 10, namely be washed.
  • a drainage device is arranged, which in the exemplary embodiment shown is a drainage press 21.
  • the finished washed and optionally equipped laundry items leave the continuous washing machine 10 via the finishing chamber 19 and are led by the latter via a short connecting chute 22 directly into the dewatering press 21.
  • the liquid conveyed out with the items of laundry from the continuous washing machine 10 is separated from the items of laundry, in particular by squeezing the liquid out of the items of laundry which thereafter only have a relatively low residual moisture, so that only a small amount of liquid remains tied to the laundry items (bonded liquor).
  • the separated from the laundry items in the dewatering press 21, in particular extruded liquid, namely bound and free liquor is collected in a collecting container 23 under the dewatering press 21.
  • both the dewatering press 21 and the finishing chamber 19 are each assigned a storage tank 24 and 25.
  • the two storage containers 24 and 25 are designed to receive liquids, preferably different liquids, separated from each other. As a result, the liquid in the storage container 24 can not mix with the liquid in the storage container 25.
  • a drain pipe 27 is led to the storage tank 24.
  • the drain pipe 27 is, if necessary, shut off by a preferably automatically operable two-way valve 28th
  • a drain pipe 29 is guided to a preferably automatically actuated three-way valve 30. From the three-way valve 30 lead two downcomers strands 31 and 32 to In this way, liquid coming from the dewatering press 21 is selectively supplied to the storage tank 24 or the storage tank 25 by corresponding operation of the three-way valve 30.
  • a pump 33 is provided in the drain pipe 29 between the collecting container 23 and the three-way valve 30th . This can be omitted if the storage containers 24 and 25 are arranged so that the liquid coming from the collecting container 23 can drain into the storage container 24 and 25 due to gravity.
  • a drain pipe 34 and 35 is provided, which is closed by a manually operated two-way valve 36, for example, and can be opened by a corresponding actuation of the two-way valve 36 as needed.
  • the drain piping 34 and 35 lead to a sewer. Thus, superfluous or excessively contaminated or used liquid can be drained from the storage tank 24 or 25 as needed.
  • a return pipe 37 which leads to the finishing chamber 19, preferably opens from above into the finishing chamber 19.
  • the return pipe 37 is associated with a pump 38, can be pumped back through the liquid, in particular equipment liquid from the storage tank 25 in the circulation to the finishing chamber 19.
  • a return piping 39 or 40 goes out.
  • the return pipe lines 39 and 40 are guided to a common, preferably automatically operated three-way valve 41.
  • the return pipe line strands 39 and 40 combine to form a three-way valve 41 return pipe 42.
  • the return pipe 42 leads to the beginning of the continuous washing machine 10, namely the input hopper 20.
  • the return pipe 42 is associated with a pump 43.
  • the laundry to be treated is supplied via the input hopper 20 of the continuous washing machine 10. This is done with the addition of liquid, in particular water, which is supplied to the input hopper 20, for example via the return pipe 42. It is thereby washed the laundry to be washed with liquid in the continuous washing machine 10. From the input hopper 20, the items of laundry with the liquid pass into the washing zone 13, where they are washed in successive washing chambers 17. Following the washing zone, the items of laundry pass into the rinsing zone 14, where they are rinsed in several rinsing chambers 18 one after the other.
  • liquid in particular water
  • the washed laundry is to undergo a post-treatment in the form of equipment.
  • This equipment takes place in the last treatment zone, in this case the finishing zone 15.
  • this has a single finishing chamber 19; but can also have several chambers.
  • the items of laundry arrive in the finishing chamber 19 from the last rinsing chamber 18 together with rinsing liquid.
  • the rinsing liquid (free liquor) not bound to the items of laundry is first removed from the finishing chamber 19 by supplying the rinsing liquid collecting in the recess 26 at the bottom of the finishing chamber 19 to the storage container 24 via the drain conduit 27 and the opened two-way valve 28.
  • the rinse water is collected and stored.
  • the temperature of the rinse water is only slightly higher than the ambient temperature (room temperature), for example, by only about 30 ° C.
  • the finishing liquid or else another liquid has a higher temperature than the flushing liquid previously drained into the storage tank 24.
  • the temperature of the after-treatment liquid in the last zone, namely here the finishing zone 15, the continuous washing machine 10 depends on the type of laundry items to be treated, in particular of the fabric material of the same.
  • the after-treatment liquid has a temperature that is between 10 ° C and 50 ° C higher than the temperature of the rinsing liquid.
  • the temperature of the finishing liquid thus has about 40 ° C to 80 ° C.
  • the temperature of the finishing liquid or other liquid in the last treatment zone is about 60 ° C. The said temperature substantially preserves the finishing liquid. This temperature drops only slightly in the finishing zone 15.
  • the laundry items and the remaining, unbound equipment liquid are conveyed out of the finishing chamber 19 via the connecting chute 22 and fed to the dewatering press 21 or other dewatering device.
  • the laundry items bound finishing liquid (bound liquor) is now mostly pressed out by the dewatering press 21 from the laundry items and also passes into the receptacle 23.
  • the in this way of the laundry items separated equipment liquid is passed from the collecting tank 23 via the drain pipe 29, the corresponding three-way valve 30 and the drain pipe line 31 to the storage tank 25 for holding the equipment liquid and stored here until the equipment liquid is used for the next finishing process in the finishing chamber 19. In this way, the equipment liquid is recycled.
  • the equipment liquid If the equipment liquid is consumed, they can be supplied from the storage tank 25 via the return pipe line 39 at a corresponding position of the three-way valve 41 of the return pipe 42 and pumped through this to the input hopper 20 before by the continuous washing machine 10, as it normally with the rinsing liquid the storage tank 24 happens. But it is also conceivable to derive spent aftertreatment liquid in a sewer.
  • the dispensing liquid directed into the storage container 25 still has a higher temperature than the rinsing liquid stored intermediately in the storage container 24. Should this temperature of the finishing liquid not be sufficient for reuse, the finishing liquid in the storage tank 25 or possibly also heated at another point to the necessary temperature for reuse of the equipment liquid. In order that this loses as little energy as possible in the area of the storage container 25 during the intermediate storage of the finishing liquid, the storage container 25 is preferably thermally insulated.
  • the finishing liquid has a higher temperature than, for example, the rinsing liquid, which are a certain proportion of the finishing liquid heated in the bonded liquor laundry.
  • the warm finishing fluid has a lower surface tension and a correspondingly low viscosity. It has been found that this can be separated to a greater extent during the pressing of the bound liquor from the laundry liquid than would be possible with the use of colder finishing liquid. Due to the use of warm or warmer finishing liquid, the laundry items after pressing the bound liquor only a relatively low residual moisture. Only this low residual moisture must be removed by subsequent drying of the laundry. This can be done faster and above all with less energy expenditure, because usually in commercial laundries, where the continuous washing machines 10 mentioned here are used, the laundry is dried by supplying energy, for example warm air.
  • the method according to the invention makes it possible to recirculate rinsing liquid and finishing liquid (or other types of aftertreatment of the laundry items) separately from one another in separate storage containers 24 and 25 and especially the finishing liquid from the storage container 25
  • Rinse water is removed from the finishing chamber 19 before it is filled with warmer finishing liquid, so that in the finishing chamber 19 mixing the colder rinsing liquid with the warmer finishing liquid can not take place apart from tied in the laundry items rinse.
  • the alkaline rinsing liquid is also circulated by being pumped back from the storage container 24 provided for this purpose via the return pipe 42 to the input hopper 20 before the continuous washing machine 10 and serving there for washing into laundry items to be washed.
  • An addition of Detergent for "neutralization" is unnecessary because no acidic, but only alkaline liquid is used to leach the laundry items. Thus, detergent can also be saved by the method.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (8)

  1. Procédé de traitement par voie humide de pièces de linge dans une machine à laver à passage (10), les pièces de linge étant soumises à différents traitements par voie humide dans des zones de traitement successives dans un tambour (11) pouvant être entraîné en rotation, le liquide non lié dans les pièces de linge étant séparé des pièces de linge dans la dernière zone de traitement avant le traitement par voie humide des pièces de linge et un liquide étant ensuite acheminé aux pièces de linge dans la dernière zone de traitement, les pièces de linge étant, après le dernier traitement par voie humide, transportées hors du tambour (11) de la machine à laver par passage (10) et acheminées à un dispositif d'essorage qui suit avec lequel au moins une partie du liquide lié dans les pièces de linge est séparée mécaniquement des pièces de linge, caractérisé en ce que lors du dernier traitement par voie humide, on emploie un liquide dont la température est supérieure à la température du liquide à la fin du traitement par voie humide précédent et la température du liquide dans la dernière zone de traitement est choisie de telle sorte qu'après la séparation mécanique d'au moins une grande partie du bain lié des pièces de linge, le liquide séparé mécaniquement par le dispositif d'essorage présente une température qui est supérieure à la température du liquide dans la zone de traitement du traitement par voie humide précédent.
  2. Procédé selon la revendication 1, caractérisé en ce que le liquide de la dernière zone de traitement est acheminé en circuit fermé.
  3. Procédé selon la revendication 2, caractérisé en ce que le liquide acheminé en circuit fermé au moins de la dernière zone de traitement est stocké temporairement à l'extérieur de celle-ci.
  4. Procédé selon la revendication 2 ou 3, caractérisé en ce que le liquide acheminé en circuit fermé provenant de la dernière zone de traitement est réchauffé à l'extérieur de celle-ci, notamment pendant qu'il est stocké temporairement.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que le liquide dans la dernière zone de traitement présente une température qui est de 20 à 60 °C supérieure à la température extérieure ou à la température ambiante moyenne.
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce que le liquide dans la dernière zone de traitement présente une température qui est de 10 à 50 °C supérieure à la température du liquide à la fin de la zone de traitement précédente.
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce que la dernière zone de traitement est une zone de traitement postérieur, notamment une zone d'apprêt et les pièces de linge sont traitées dans cette zone avec un liquide de traitement postérieur plus chaud, notamment un liquide d'apprêt.
  8. Procédé selon la revendication 7, caractérisé en ce que le liquide de traitement postérieur, notamment le liquide d'apprêt, présente une température d'au moins 40°C, plus particulièrement d'environ 60 °C.
EP02000840A 2001-02-28 2002-01-15 Procédé pour le traitement au mouillé du linge Expired - Lifetime EP1236823B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10109749 2001-02-28
DE10109749A DE10109749A1 (de) 2001-02-28 2001-02-28 Verfahren zur Nassbehandlung von Wäschestücken

Publications (3)

Publication Number Publication Date
EP1236823A2 EP1236823A2 (fr) 2002-09-04
EP1236823A3 EP1236823A3 (fr) 2003-01-15
EP1236823B1 true EP1236823B1 (fr) 2006-05-03

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US (1) US6681429B2 (fr)
EP (1) EP1236823B1 (fr)
DE (2) DE10109749A1 (fr)

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US8733135B2 (en) * 2005-02-11 2014-05-27 Herbert Kannegiesser Gmbh Method and device for wet treating laundry items
DE102005053086A1 (de) * 2005-02-11 2006-08-17 Herbert Kannegiesser Gmbh Verfahren und Vorrichtung zur Nassbehandlung von Wäschestücken
DE102005053085B4 (de) * 2005-02-11 2007-03-01 Herbert Kannegiesser Gmbh Verfahren und Vorrichtung zur Nassbehandlung von Wäschestücken
DE102007023801A1 (de) * 2007-05-21 2008-11-27 Herbert Kannegiesser Gmbh Verfahren zur Nassbehandlung von Wäschestücken
CN103696202B (zh) * 2008-04-18 2016-01-27 佩莱若林·米尔诺公司 连续批量隧道式洗衣机及方法
US7971302B2 (en) * 2008-04-18 2011-07-05 Pellerin Milnor Corporation Integrated continuous batch tunnel washer
US20090260162A1 (en) * 2008-04-18 2009-10-22 Pellerin Milnor Corporation Continuous batch tunnel washer and method
WO2010124076A2 (fr) 2009-04-22 2010-10-28 Pellerin Milnor Corporation Dispositif de lavage par lot continu de type tunnel et procédé correspondant
JP2013521057A (ja) * 2010-03-01 2013-06-10 ペレリン ミルナー コーポレイション 洗濯機の抽出器及び方法
US10161079B2 (en) * 2010-06-03 2018-12-25 Pellerin Milnor Corporation Continuous batch tunnel washer and method
DE102011017345A1 (de) * 2011-03-22 2012-09-27 Herbert Kannegiesser Gmbh Verfahren zum Behandeln von Wäsche und Waschstraße
DE102013006200A1 (de) * 2013-04-11 2014-10-16 Herbert Kannegiesser Gmbh Verfahren zum Nassbehandeln, vorzugsweise Waschen, von Wäschestücken
EP3094776A4 (fr) * 2014-01-17 2017-11-29 ColorZen LLC Procédé et appareil de pré-traitement de textiles discontinus
CN104213366B (zh) * 2014-06-23 2016-09-14 上海申光洗涤机械集团有限公司 一种采用窄体浮动外缸结构的洗涤单元以及洗涤机组
EP3201383B1 (fr) 2014-10-03 2022-03-09 Pellerin Milnor Corporation Procédé pour une laveuse par lot de type continu à tunnel
JP6396764B2 (ja) * 2014-11-06 2018-09-26 アイナックス稲本株式会社 連続洗濯機の運転方法及び連続洗濯機
JP2017093799A (ja) * 2015-11-24 2017-06-01 株式会社稲本製作所 過酸化水素分解装置を備えた連続洗濯装置

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Publication number Publication date
EP1236823A2 (fr) 2002-09-04
DE10109749A1 (de) 2002-09-05
US6681429B2 (en) 2004-01-27
EP1236823A3 (fr) 2003-01-15
DE50206612D1 (de) 2006-06-08
US20020116770A1 (en) 2002-08-29

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