EP1184504B1 - Procédé pour laver le linge dans une machine à laver en continu sans réservoir et machine à laver utilisant un tel procédé - Google Patents

Procédé pour laver le linge dans une machine à laver en continu sans réservoir et machine à laver utilisant un tel procédé Download PDF

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Publication number
EP1184504B1
EP1184504B1 EP01111795A EP01111795A EP1184504B1 EP 1184504 B1 EP1184504 B1 EP 1184504B1 EP 01111795 A EP01111795 A EP 01111795A EP 01111795 A EP01111795 A EP 01111795A EP 1184504 B1 EP1184504 B1 EP 1184504B1
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EP
European Patent Office
Prior art keywords
washing
zone
water
waste water
laundry
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
EP01111795A
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German (de)
English (en)
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EP1184504A2 (fr
EP1184504A3 (fr
Inventor
Karl-Heinz Alexander Stoll
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.)
Senkingwerk GmbH KG
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Senkingwerk GmbH KG
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Publication date
Application filed by Senkingwerk GmbH KG filed Critical Senkingwerk GmbH KG
Publication of EP1184504A2 publication Critical patent/EP1184504A2/fr
Publication of EP1184504A3 publication Critical patent/EP1184504A3/fr
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Publication of EP1184504B1 publication Critical patent/EP1184504B1/fr
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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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S68/00—Textiles: fluid treating apparatus
    • Y10S68/902—Devices for storage and reuse of soap suds

Definitions

  • the invention relates to a method for washing laundry, in which the laundry to be washed is moved through a washing line with successive chambers with different baths, the laundry undergoes at least one prewash zone, final wash zone, rinse zone and aftertreatment zone and the wash water of the individual baths from fresh water and wastewater from other baths, depending on the proportion of waste water.
  • the invention further relates to a washing line for laundry in Bad Touch- and / or countercurrent operation with a washing drum with several successive chambers for a plurality of baths in the washing drum and a conveyor for transporting the laundry through the washing drum and at least one fresh water addition point and at least one Abiganent Cyprusstelle- and the addition-spot.
  • the laundry to be washed is entered on one side in a washing drum having a plurality of successive washing chambers.
  • the washing drum or a separate conveyor By the rotation of the washing drum or a separate conveyor, the laundry is conveyed through the washing drum and the different chambers or baths, to thereby be washed.
  • Such pass-through washing lines are operated both in the bath exchange and in countercurrent operation.
  • a combined mode of bath change and countercurrent method is known.
  • DE 44 13 213 describes a method for operating a continuous washing machine and a system for carrying out the method, comprising a prewashing area, a final wash area and a rinsing area, wherein the prewash area is supplied with the water that has drained through an outlet from the final wash area and the rinse area ,
  • several tanks are provided which allow temporary storage or buffering of the effluent discharged in order to provide at the desired location in each case sufficient wastewater available.
  • DE 33 46 690 describes a continuous washing machine with several washing areas, here also a return of wastewater is proposed that also collected in storage tanks and discharged as needed.
  • the individual chambers of the washing line are assigned to certain zones in which the laundry is subjected to a treatment.
  • a pre-wash zone for example, one distinguishes between a pre-wash zone, a final wash zone, a rinse zone and an aftertreatment zone to which a dewatering device such.
  • B. connects a press or centrifuge.
  • a distinction is made between a first prewash zone, a second prewash zone, a final wash zone, a rinse zone, and an aftertreatment zone, to which the dewatering device adjoins.
  • the invention is therefore based on the object to propose a washing method and to provide a washing line which operates energy-efficiently and in particular allows recycling of reusable liquor used in the machine during the washing process.
  • the washing process is simplified and the manufacturing and operating costs are reduced by saving components.
  • a good washing result with low water consumption should be ensured and the service on the machine can be facilitated.
  • the wastewater which is advantageously continuously withdrawn in a precisely defined amount, can be mixed with other reusable liquor taken from another zone area of the washing line, as well as with fresh water, so that a suitable mixing ratio is set.
  • the wastewater is z. B. at the beginning of the rinsing zone and / or at the beginning of the aftertreatment zone and / or taken from a subsequent washing at the end of the dehydrator, wherein a dewatering device, a press or centrifuge can be used and the washing process, the squeezing out of the moisture from the finished laundry with includes.
  • the reusable liquor of these zones is advantageously fed to the prewashing zone.
  • the reusable liquor of the final wash zone of a preceding chamber of the final wash zone or the reusable liquor can be supplied to the wash zone of a preceding chamber of the wash zone.
  • the inventive washing line advantageously has a water recovery system whose water-leading components exclusively from direct, water transporting lines between Wasserzugabestellen and water supply points without any water storage components exist.
  • a valve and pump system is provided for controlling the water flows in a conventional manner in the water recovery system and / or in a fresh water supply.
  • the water recovery system on water tapping points which has a well-defined water extraction, z. B. allow using inductive flow meters or a time measuring device.
  • the Wasserzugabestellen may be connected to at least two or more Wasserentddlingstellen.
  • the wash line comprising at least one prewash zone, one wash zone, one wash zone, and aftertreatment zone has a water recovery system having water taps at the end of the final wash zone and / or at the end of the wash zone and / or the aftertreatment zone, these water taps being accessed directly via conduits having feed locations in the prewashing zone and / or final wash zone and / or rinse zone are connected.
  • These lines are also equipped with valve-equipped procedures over which z. As well as a disposal of liquor in the channel system, but also a recovery can be achieved.
  • the washing line a dewatering device, in particular a laundry press for pressing the washed laundry or a centrifuge is connected, the water outlet is connected via a line directly to the prewash zone.
  • the drum of the washing line can be designed as a double drum, at least in the region of the water tapping points, wherein the inner wall of the drum is perforated in the region of the double-drum formation.
  • a dewatering device 25 such as. As a press or a centrifuge connect.
  • the chambers 1 to 16 of the washing line 20 are arranged in a drum 26 which is formed in the region of the chambers 4 to 7, 11 and 14 to 15 as a double drum. In these areas, the inner wall of the drum is perforated, while it is equipped in the region of the chambers 8, 9, 10 with an insulation 27. This avoids that the water heated via the fresh water line 28 coming from a boiler or water heated by adding it via the steam line 29 prematurely cools down in the area of the final wash zone.
  • Water removal points for the removal of reusable liquor are denoted by X on the chamber 11, designated Y on the chamber 15 and Z designated at the drainage means 25.
  • Water dispensers are marked with the letters A, B and D. It can be seen that, for example, the line X is connected via a connecting line 31 directly to either the water addition point A or B, while the sewage tap Y via a direct connection line 32 to the water addition point B, and finally the sewage tap Z via a Connecting line 33 are connected to the water addition point A. Clearwashing water taken from the final wash zone 22, which still contains considerable substances of detergent, can therefore be recovered and fed directly to the chamber 1 or 4 of the pre-wash zone. At the end of the rinse zone 23, rinse water taken from the chamber 15 can be fed either to the chamber 4 of the pre-wash zone or to the rinse zone 14, while the cold press water can be fed via the line 33 to the pre-wash zone.
  • valves 34 and pumps 35 are provided in the lines, via which a metered charge of the Wasserzugabestellen is adjustable with reusable fleet.
  • reusable liquor taken from the water taps X, Y and Z is now pumped directly via the respective lines 31, 32, 33 to the water addition points A, B and D, for which purpose the pumps 35 are preferably provided are insensitive to contamination, such. B. fluff, etc., which are located in the reusable fleet.
  • the washing water which has not yet been so heavily soiled, is added from the end regions of the washing line to the washing drum in the region of the baths, in which the laundry to be washed still has a high degree of soiling.
  • the almost clean press water from the removal point Z of the laundry press can be used very well in the field of prewashing in order to soak the laundry there and to free it from the largest amount of dirt.
  • the use of reusable liquor from the final wash zone has the additional advantage that this water is already heated, so that no so much warming of the wash water in the final wash zone, as would be necessary when using only fresh water, is required.
  • the aftertreatment zone 40 is followed by the drainage device 41.
  • the water tapping points are also denoted by the letters X, Y and Z and are located in the chambers 12 and 16 and at the outlet of the dewatering device 41.
  • the Wasserzugabestelle C is provided in the chamber 11.
  • Pre-heated fresh water passes via the fresh water line 42 to the water addition point A and B at the beginning of the first prewashing zone 36 or at the beginning in chamber 4 of the second prewashing zone 37th Steam is the final wash zone via the steam line 43 to the chambers 6, 8, 10 and 11 fed , Finally, fresh water is supplied via the fresh water line 44 at the water addition point D in chamber 15.
  • the drum 45 is formed in the region of the chambers 4 to 12 and 15 and 16 as a double drum, wherein the inner wall of the drum is perforated, which is indicated by the dashed line.
  • the sketched line diagram reveals that the water removal point X is connected via the connecting line 46 to the water addition point A or to the second prewash zone 4 at the water addition point B or to the water addition point C in the chamber 11 of the final wash zone. Further, the water outlet Y is connected on the one hand to the Wasserzugabestelle B of the chamber 4 of the second prewash zone and on the other hand with the Wasserzugabestelle D of the chamber 15 of the rinse zone. Finally, the water removal point Z of the drainage device is connected via the connecting line 48 to the water addition point A at the beginning of the first prewash zone. Valves 49 and pumps 50 are provided in all lines as in the embodiment of FIG. 1, so that a metered supply of reusable liquor to the individual chambers is possible. In the embodiment 1 and 2, the connection lines 31, 32 and 33 and 46, 47, 48 with processes 51 and 52, respectively, via which liquor components can be discharged into the duct system or into a recovery system.

Landscapes

  • 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 (17)

  1. Procédé pour laver du linge, dans lequel :
    - le linge à laver est déplacé à travers une ligne de lavage comportant des chambres successives (1 à 16) avec des bains différents, le linge traversant au moins une zone de prélavage (21, 36, 37), une zone de lavage à l'eau claire (22, 38), une zone de rinçage (23, 39), et une zone de post-traitement (24, 40), et
    - on récupère les eaux usées au moins de la zone de rinçage, de la zone de post-traitement, et d'un dispositif d'évacuation d'eau (25, 41) qui est raccordé à la zone de post-traitement,
    - l'eau de lavage des bains individuels dans les zones est composée d'eau fraîche et d'eaux usées d'autres bains de façon variable en dépendance de la quantité d'eaux usées, ceci ayant lieu en dépendance de la part d'eaux usées,
    caractérisé en ce que les eaux usées récupérées sont amenées directement et au moins partiellement de façon régulée au moyen d'un système de valves et de pompes, à une ou plusieurs autres zones précédentes via des conduites directes (31, 32, 33) entre les zones, et dans le circuit d'eau pendant le lavage aucune eau usée n'est stockée temporairement dans des composantes de stockage d'eau, en particulier des réservoirs tampons.
  2. Procédé selon la revendication 1, caractérisé en ce que l'on prélève les eaux usées dans une quantité précisément définie, de préférence en continu.
  3. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'on prélève les eaux usées au début de la zone de rinçage (X) et au début de la zone de post-traitement (Y).
  4. Procédé selon la revendication 3, caractérisé en ce que l'on utilise à titre de dispositif d'évacuation d'eau (25, 41) une presse ou une centrifugeuse, et en ce que l'opération de lavage inclut l'essorage de l'humidité hors du linge lavé fini, les eaux usées ici récupérées étant amenées également sans stockage intermédiaire à la ligne de lavage.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'on amène les eaux usées de la zone de lavage à l'eau claire et/ou de la zone de rinçage et/ou du dispositif d'évacuation d'eau jusqu'à la zone de prélavage.
  6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que l'on amène les eaux usées de la zone de rinçage à une chambre précédente de la zone de rinçage.
  7. Procédé selon l'une des revendications 1 à 6, caractérisé en ce que l'on amène les eaux usées de la zone de lavage à l'eau claire et/ou de la zone de rinçage et/ou du dispositif d'évacuation d'eau jusqu'à une première zone de prélavage (36) et/ou à une deuxième zone de prélavage (37).
  8. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'on évacue ou on récupère les eaux usées excédentaires non retournées dans la ligne de lavage.
  9. Ligne de lavage pour du linge en fonctionnement à bains alternatifs et/ou en contre-courant, comportant un tambour de lavage (26) avec plusieurs chambres successives (1 à 16) pour une multitude de bains dans le tambour de lavage (26), lesdites chambres étant associées au moins aux zones suivantes : une zone de prélavage (21, 36, 37), une zone de lavage à l'eau claire (22, 38), une zone de rinçage (23, 39) et une zone de post-traitement (24, 40) ; comportant un dispositif d'évacuation d'eau (25, 41), un dispositif de convoyage pour le transport du linge à travers le tambour de lavage (26), une amenée d'eau fraîche avec au moins un emplacement d'addition d'eau fraîche (A, B, C, D) et un système de récupération d'eau, caractérisé en ce que le système de récupération d'eau comprend des emplacements de prélèvement d'eaux usées (X, Y, Z) au moins dans la zone de rinçage, dans la zone de post-traitement et dans le dispositif d'évacuation d'eau, et des emplacements d'addition d'eaux usées (A, B, C, D) au moins dans la zone de prélavage et dans la zone de lavage à l'eau claire, des composants (31, 32, 33) menant les eaux usées, et un système de valves et de pompes (34, 35, 49, 50) pour la régulation des débits d'eau dans le système de récupération d'eau, lesdits composants (31, 32, 33) menant les eaux usées du système de récupération d'eau étant exclusivement composés de conduites directes (31, 32, 33) qui transportent les eaux usées entre les emplacements de prélèvement d'eaux usées (X, Y, Z) et les emplacements d'addition d'eaux usées (A, B, C, D), et le système de récupération d'eau ne comprend aucun composant de stockage d'eau, en particulier des réservoirs tampons.
  10. Ligne de lavage selon la revendication 9, caractérisée en ce que les emplacements de prélèvement d'eau (X, Y, Z) permettent un prélèvement d'eau précisément défini.
  11. Ligne de lavage selon l'une ou l'autre des revendications 9 et 10, caractérisée en ce que les emplacements d'addition d'eau (A, B, C, D) sont reliés à au moins deux ou plusieurs emplacements de prélèvement d'eau (X, Y, Z).
  12. Ligne de lavage selon l'une ou l'autre des revendications 9 et 10, caractérisée en ce que des emplacements de prélèvement d'eau (X, Y, Z) sont agencés à la fin de la zone de lavage à l'eau claire, à la fin de la zone de rinçage et de la zone de post-traitement, et sont reliés directement via des conduites (31, 32, 33) à des emplacements d'addition (A, B, C, D) dans la zone de prélavage et/ou dans la zone de lavage à l'eau claire et/ou dans la zone de rinçage.
  13. Ligne de lavage selon la revendication 12, caractérisée en ce que les conduites (31, 32, 33) sont équipées d'évacuations (51, 52) munies de valves.
  14. Ligne de lavage selon l'une des revendications 9 à 13, caractérisée en ce qu'à la ligne de lavage est raccordé le dispositif d'évacuation d'eau (25, 41), en particulier une presse à linge pour presser le ligne lavé ou une centrifugeuse, dont l'emplacement de prélèvement d'eau (Z) est relié via une conduite (33, 48) directement à la zone de prélavage.
  15. Ligne de lavage selon l'une des revendications 9 à 14, caractérisée en ce que le système de récupération d'eau comprend en outre des valves (34, 49) pour commander les quantités d'eau dans les conduites (31, 32, 33 ; 46, 47, 48).
  16. Ligne de lavage selon l'une des revendications 9 à 15, caractérisée en ce que le tambour (26, 45) de la ligne de lavage est réalisé sous forme de tambour double au moins dans la région des emplacements de prélèvement d'eau (X, Y, Z).
  17. Ligne de lavage selon la revendication 16, caractérisée en ce que la paroi interne du tambour est perforée dans la région de la réalisation double.
EP01111795A 2000-08-16 2001-05-15 Procédé pour laver le linge dans une machine à laver en continu sans réservoir et machine à laver utilisant un tel procédé Expired - Lifetime EP1184504B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10039904 2000-08-16
DE10039904A DE10039904B4 (de) 2000-08-16 2000-08-16 Verfahren zum Waschen von Wäsche in einer tanklosen Waschstrasse sowie Waschstrasse zur Durchführung des Verfahrens

Publications (3)

Publication Number Publication Date
EP1184504A2 EP1184504A2 (fr) 2002-03-06
EP1184504A3 EP1184504A3 (fr) 2003-09-17
EP1184504B1 true EP1184504B1 (fr) 2006-12-13

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EP01111795A Expired - Lifetime EP1184504B1 (fr) 2000-08-16 2001-05-15 Procédé pour laver le linge dans une machine à laver en continu sans réservoir et machine à laver utilisant un tel procédé

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Country Link
US (1) US7089620B2 (fr)
EP (1) EP1184504B1 (fr)
DE (2) DE10039904B4 (fr)
ES (1) ES2180467T3 (fr)

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Also Published As

Publication number Publication date
ES2180467T1 (es) 2003-02-16
EP1184504A2 (fr) 2002-03-06
US20020038481A1 (en) 2002-04-04
EP1184504A3 (fr) 2003-09-17
US7089620B2 (en) 2006-08-15
DE10039904B4 (de) 2005-12-15
DE10039904A1 (de) 2002-02-28
ES2180467T3 (es) 2007-08-16
DE50111620D1 (de) 2007-01-25

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