EP3216907A1 - Procédé de traitement par voie humide de linge - Google Patents

Procédé de traitement par voie humide de linge Download PDF

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Publication number
EP3216907A1
EP3216907A1 EP17000008.7A EP17000008A EP3216907A1 EP 3216907 A1 EP3216907 A1 EP 3216907A1 EP 17000008 A EP17000008 A EP 17000008A EP 3216907 A1 EP3216907 A1 EP 3216907A1
Authority
EP
European Patent Office
Prior art keywords
laundry
liquid
washing machine
continuous washing
impurities
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Withdrawn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
EP17000008.7A
Other languages
German (de)
English (en)
Inventor
Wilhelm Bringewatt
Engelbert Heinz
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.)
Herbert Kannegiesser GmbH and Co
Original Assignee
Herbert Kannegiesser GmbH and Co
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
Priority claimed from DE102016004207.9A external-priority patent/DE102016004207A1/de
Application filed by Herbert Kannegiesser GmbH and Co filed Critical Herbert Kannegiesser GmbH and Co
Publication of EP3216907A1 publication Critical patent/EP3216907A1/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Withdrawn legal-status Critical Current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
    • 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
    • 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
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D06F35/006—Methods for washing, rinsing or spin-drying for washing or rinsing only

Definitions

  • the invention relates to a method for the wet treatment of laundry according to the preamble of claim 1.
  • continuous washing machines are used in several successive treatment zones in a rotatably drivable elongated drum.
  • the laundry items are washed, usually in a pre-wash and a clear wash, and optionally also rinsed and post-treated, for example, disinfected and / or provided with equipment.
  • the treatment zones can be formed from one or more chambers.
  • the laundry is washed in batches by preferably treating different items of laundry at the same time in several or optionally all successive chambers.
  • the laundry must be washed at the beginning of the washing process in the continuous washing machine so that it is freed from a large part of their impurities, especially dirt.
  • impurities especially dirt.
  • the invention aims to provide a method of wet-treating laundry which enhances the performance of the continuous washing machine.
  • a method for achieving this object comprises the measures of claim 1.
  • a pre-separation of the impurities takes place before the continuous washing machine, so that only at the beginning of the continuous washing machine of the same only the remaining part of the impurities must be removed.
  • heavily soiled laundry can be wet-treated with the continuous washing machine virtually without clock cycle loss.
  • At least one liquid is used to precoat a portion of the contaminants of the laundry.
  • the liquid is used to absorb the deposited in the pre-separation of the laundry contamination, in particular dirt.
  • wet laundry or wet laundry from at least a portion of its preferably bonded moisture and / or liquid prior to reintroducing at least one, in particular, other liquid for pre-separating a portion of its contaminants.
  • the at least one liquid supplied to the laundry to pre-separate the contaminants is at least partially separated from the laundry with the impurities before the laundry with the remaining impurities is supplied to the continuous washing machine.
  • the at least one liquid serves as a carrier for the impurities separated during the pre-separation of the laundry and at the same time as a transport means for the removal of this impurity.
  • the laundry is thereby completely wetted or soaked, whereby the at least one liquid in the laundry can absorb as much impurities and / or dirt as possible.
  • An advantageous further development possibility of the method provides to emulsify the laundry and / or their impurities with the at least one of these added liquid.
  • the at least one added liquid forms a mixture with the contaminants of the laundry.
  • the emulsification thus leads to a connection of the at least one supplied liquid with the impurities and / or the dirt of the laundry.
  • the impurities or soiling of the laundry with the at least one liquid used for the preliminary separation can be removed in a particularly effective manner.
  • a movement of the laundry in the liquid or with the liquid and, alternatively or additionally, a pushing through the at least one liquid added to the pre-separation of at least a portion of the impurities of the laundry by the laundry is preferred.
  • This allows the at least one liquid on the Wash along and / or flow through the laundry.
  • This leads to a uniform mixing or moistening of the entire laundry, in particular the entire respective laundry costs, by the at least one liquid and enriching the liquid with the contaminants to be separated from the soiled laundry.
  • the emulsification is preferably carried out in the manner described above.
  • An advantageous embodiment of the method provides, after the addition of at least one liquid for washing a part of the bound in the laundry added liquid (bound liquor) and / or excess added liquid (free liquor) to remove.
  • the removal of the part of the bound liquor and / or excess free liquid can be done by centrifuging and / or pressing.
  • the process of pre-separation of a part of the impurities or contaminations of the laundry is completed.
  • the laundry having only a portion of its impurities or contaminations is then fed to the continuous washing machine and subjected to the usual wet treatment, in particular at least washed with, for example, a prewash and / or a clear wash.
  • treatment liquid used by the continuous washing machine and / or fresh water as at least one liquid supplied to the laundry for the purpose of pre-separation of its impurities. It is particularly advantageous to use at least largely used treatment liquid from the continuous washing machine. As a result, fresh water can be saved.
  • the used treatment liquid from the continuous washing machine can be pre-wash, clear-washing or rinsing liquid, but also mixtures of the liquids mentioned. These liquids are much less loaded with impurities than the proportion of impurities in the delivered laundry, in particular if it is heavily soiled laundry. Above all, used treatment liquid is therefore also suitable for the pre-separation of a portion of the impurities delivered laundry, because in contrast to the washing process, the impurities can be pre-separated with the used used treatment liquid at wetting the dry or optionally wash of the supplied liquid, especially when emulsifying the laundry with the liquid.
  • wash lines are used for wet treatment, in particular for washing, for the preparation of washing and for dewatering and / or rinsing washed laundry 10.
  • the laundry 10 may be any type of laundry 10, especially clothing, flat linen, workwear, cleansing wipes, wet mop covers, entrance mats or the like. Above all, the wet treatment systems shown are suitable for treating heavily soiled work clothing, wet mop covers, surgical underwear, incontinence pads and nursing home linen.
  • the laundry 10, at least heavily soiled laundry 10 is pretreated by first removing impurities from the laundry 10 and / or separating them from the laundry 10. There is thus a pre-separation of the impurities of the laundry 10.
  • the in the Fig. 1 shown wet treatment plant has a continuous washing machine 11 with a seen in the direction of flow 12 behind the continuous washing machine 11 arranged dewatering press 13 and a seen in the direction of flow 12 before the continuous washing machine 11 arranged centrifuge 14.
  • the centrifuge 14 is used for pre-separation of a portion of the impurities and / or the dirt of the laundry 10.
  • a sloping conveyor 15 is provided, the laundry 10 after the pre-separation of a portion of their impurities or their dirt from the centrifuge 14 in an inlet funnel 19 am Start of the continuous washing machine 11 transported.
  • the continuous washing machine 11 has an elongated drum 16, in which a plurality of identical or different chambers 17 is provided.
  • the in the Fig. 1 shown continuous washing machine 11 has thirteen in the direction of passage 12 successive or successive chambers 17.
  • the invention is not limited thereto.
  • the invention is also suitable for continuous washing machines 11 with a smaller or larger number of successive chambers 17.
  • the elongate drum 16 is rotatably driven about a central axis of rotation which lies on the longitudinal central axis 18 of the continuous washing machine 11.
  • a plurality of successive treatment zones are formed, for example a pre-wash zone, a final wash zone and optionally a rinse zone and / or aftertreatment zone seen in the passage direction 12.
  • the inlet funnel opens 19.
  • a discharge chute 20 Seen in the direction of passage 12 behind the last chamber 17 is a discharge chute 20, about which the continuous washing machine 11 leaving laundry 10 of the continuous washing machine 11 following dewatering press 13 is supplied.
  • the dewatering press 13 has a base 21 with a partially liquid-permeable upper side, a press basket 22 which can be arranged thereon and a press ram 23 which can be hydraulically moved in and out of the press basket 22 from above.
  • the centrifuge 14 in front of the continuous washing machine 11 has a drum 24 rotatably drivable about a central axis of rotation 27 with an at least partially liquid-permeable wall 25.
  • An upper side of the drum 24 is partially open, namely with a central, preferably cylindrical, opening 26 for loading and Unloading the drum 24 provided.
  • the drum 24 is pivotable about a rotational axis 27 at right angles intersecting, horizontal pivot axis 28 from a loading position into a spinning position and from this to a discharge position.
  • the drum 24 is surrounded by a largely liquid-impermeable housing 29.
  • a base 30 Under the housing there is a base 30, in which at least one tank or a tub is used for collecting the ejected from the centrifuge 14 of the laundry 10 liquid.
  • a loading hopper 31 is fixedly arranged above the housing 29 of the centrifuge 14.
  • the loading hopper 31 is dimensioned so that in the raised loading position of the drum 24 with a vertical axis of rotation 27, the laundry 10 passes from the loading hopper 31 through the opening 26 into the drum 24.
  • the laundry 10 can be transported to the loading hopper 31 in various ways, for example in laundry bags and / or from a loading conveyor, but also in other suitable ways.
  • the centrifuge 14 is associated with a liquid supply line 32 with a mouthpiece 33 at the end pointing to the centrifuge 14.
  • the liquid supply line 32 and the mouthpiece 33 are guided to the centrifuge 14 in such a way that a liquid jet 34 issuing from the mouthpiece 33 in the liquid jet 34 in FIG Fig. 1 shown spin position of the drum 24 of the centrifuge 14 is directed into the opening 26 of the drum 24 to supply the laundry 10 in the drum 24 before and / or during spinning at least one liquid.
  • the Fig. 2 shows a wet treatment plant, which differs from that of Fig. 1 differs in that seen in the direction of flow 12 before the continuous washing machine 11, a laundry press 35 and behind the continuous washing machine 11, a centrifuge 36 is arranged.
  • the wet treatment plant corresponds to the Fig. 2 that of the Fig. 1 , therefore, the same reference numerals are used for the same parts.
  • the continuous washing machine 11 corresponds to the Fig. 2 that of the Fig. 1 , The same applies to the conveyor 15 between the laundry press 35 and the inlet funnel 19 of the continuous washing machine eleventh
  • the laundry press 35 is designed in principle like the dewatering press 13, namely has a partially liquid-permeable base 37 with at least one collecting container or a collecting tray for commonlygespresster from the laundry 10 Liquid, a can be placed on the base 37 and preferably cylindrical press basket 38 and a hydraulic in the press basket 38 and out of the same movable press ram 39. Furthermore, a liquid supply line 40 is provided with a mouthpiece 41 laterally above the press cage 38. At least the mouthpiece 41 is arranged next to and above the press basket 38 so that a liquid jet 42 issuing from it can pass from the side into the open-top press basket 38 and thus onto the laundry 10 located therein.
  • FIGS Fig. 1 illustrated wet treatment system explained.
  • the arranged before the continuous washing machine 11 centrifuge 14 is used to remove before the continuous washing machine 11 a part of the impurities or the dirt from the laundry 10 and / or separate from the laundry 10. This results in a pre-separation of the impurities and / or the dirt of the delivered laundry 10.
  • the delivered, for example, in laundry bags dry or optionally also wet dirty laundry 10 is discharged through the loading hopper 31 above the centrifuge 14.
  • the axis of rotation 27 of the drum 24 of the centrifuge 14 is in a vertical position with upwardly facing opening 26.
  • the laundry 10 is then loaded from the loading hopper 31 through the opening 26 in the stationary during loading or slowly rotating driven drum 24.
  • the drum 24 of the centrifuge 14 After the drum 24 of the centrifuge 14 has been loaded with the laundry 10 to be washed, it is pivoted about the pivot axis 28, in the embodiment shown by about 45 ° clockwise, so that the opening 26 is directed laterally upwards.
  • liquid is then passed through the opening 26 into the drum 24 via the liquid supply line 32 and the mouthpiece 33.
  • the dirty and contaminated laundry 10 is thereby wetted with the liquid and / or soaked. It is the laundry 10 in the drum 24 at least as much liquid supplied, which can accommodate the laundry 10 as a bonded liquor. Preferably, however, more liquid is supplied to the laundry 10 in the drum 24.
  • the laundry 10 can be spun in the drum 24 prior to the addition of liquid to wet or dirty laundry already at the time of delivery 10 to dehydrate, preferably even with some impurities, is added before serving for dirt pre-separation liquid.
  • the laundry 10 can be provided to supply the laundry 1.2 to 3 times, preferably 1.2 to 2 times, the amount of liquid which can receive the laundry 10 as a bound liquid.
  • the laundry 10 may be added 2 to 6 times, preferably 2.5 to 4.5 times, the amount of its dry weight of liquid.
  • the liquid supplied to the laundry 10 in the centrifuge 10 can be a used treatment liquid accumulated in the continuous washing machine 11 on at least one treatment zone of the continuous washing machine 11. It is also conceivable, however, to supply only fresh water or a mixture of fresh water and used treatment liquid from the continuous washing machine 11 to the laundry 10 in the drum 24 of the centrifuge 14.
  • the supply of liquid for initially dry or wet soiled laundry 10 in the drum 24 of the centrifuge 14 leads, in particular due to the rotating in the liquid addition drive of the drum 24 about its axis of rotation 27 to enrichment and / or emulsifying existing in the dirty laundry 10 or this adhering impurities and / or the dirt with the added liquid.
  • Those with impurities or dirt-enriched ejected liquid then collects in the collection tank or sump in the base 21 of the centrifuge 14 or in separate collection containers outside the region of the base 21 of the centrifuge 14 because this liquid received a portion of the impurities or the dirt from the laundry 10 it is not reusable.
  • the liquid is disposed of, optionally before a separation of the impurities or the dirt from the liquid can take place, especially if it is impurities or dirt that can not be disposed of in the drain.
  • the centrifuging of the liquid-moistened and / or soaked laundry 10 can take place to such an extent that a large part of the liquor bound in the laundry 10 is separated and, at the same time, a pre-separation of a portion of the impurities and / or the dirt from the laundry 10 takes place , For example, takes 1 kg of laundry 10 a little 2 kg of liquid as a bonded liquor. During centrifugation, 0.5 to 1 l of liquid per kg of dry laundry 10 are separated off.
  • the tumbled in the centrifuge 14 10 with a residual amount of bound liquid is discharged by further pivoting the drum 24 about the horizontal pivot axis 28 in a clockwise direction at the side facing downward opening 26 of the drum 24 on the conveyor 15, namely the upper strand of the driven as a rotating Belt conveyor trained conveyor 15, given.
  • the laundry 10 is then transported by the conveyor 15 into the inlet hopper 19 at the beginning of the continuous washing machine 11. In this case, a lump formation of the laundry 10 takes place by such an amount of laundry 10 on the conveyor 15 in the inlet hopper 19 of the continuous washing machine 11 is transported, which corresponds to the receiving volume of the respective chamber 17 of the continuous washing machine 11.
  • the conveyor 15 may be associated with a weighing device which determines the weight of the laundry 10 with the remaining bound liquor remaining therefrom from the centrifuge 14 and thereby favors the post formation and above all makes it more accurate. Above all, lattice formation for the loading of the continuous washing machine 11 is also more accurate because the laundry 10 leaving the centrifuge 14 has a specific and / or constant residual moisture content.
  • the laundry 10 which has been freed from a part of its impurities and / or soils by the pre-separation or pretreatment with the centrifuge 14, is washed.
  • pre-separation of a portion of the impurities and / or contamination of the laundry 10 in the centrifuge 14 only the remaining part of the soiling and / or contamination of the laundry 10 needs to be washed out in the continuous washing machine 11. This favors especially in heavily soiled laundry 10 the cycle time of the continuous washing machine 10, because heavy soiling or heavy contamination of the laundry 10 due to the pre-separation of a portion of the impurities or the dirt no longer treatment or washing times, especially in the prewash zone that require pass-through washing machine 11.
  • the laundry 10 which has already been freed of part of its impurities or contaminations in the centrifuge 14, can be treated in a prewash zone, a final wash zone and a rinse zone.
  • an aftertreatment zone for example a finishing zone, may be provided behind the rinsing zone.
  • the laundry 10 only pre-wash and clear when rinsing the laundry 10 takes place in the continuous washing machine 11 downstream drainage press 13.
  • the at least laundered laundry 10 leaves the last chamber 17 of the continuous washing machine 11, as viewed in the passage direction 12, via the unloading chute 20.
  • the washed laundry with at least part of its bound liquor passes over the discharge line Discharge chute 20 in the dewatering press 13, in which the laundry 10 is at least freed from a majority of the liquor bound therein.
  • the laundry 10 may also be rinsed.
  • the dewatering press then serves to rinse and drain the laundry 10.
  • the dewatering press 13 may be provided behind the continuous washing machine 11 and a spin dryer. This, like the dewatering press 13, can serve to liberate the laundry 10 leaving the continuous washing machine 11 from at least a large part of its bonded liquor and thereby to dewater it.
  • the laundry centrifuge may also serve to rinse and drain the laundry 10 leaving the continuous washing machine 11.
  • the dry or possibly dirty dirty laundry 10 is loaded with the press die 39 raised in the open-top press basket 38, for example by a conveyor (not shown). Subsequently, liquid is still being supplied to the press basket 38, which is open at the top and loaded with laundry 10, via the liquid feed line 40 when the press die 39 is still in the raised starting position. It may be liquid, which corresponds to that in the context of the embodiment of the Fig. 1 described method is used. The same applies to the amount of liquid to be supplied.
  • the laundry 10 is moistened and at least wetted. Excess liquid, which has already taken some of the impurities and / or the dirt from the laundry 10, can flow immediately through the bottom of the press basket 38 forming liquid-permeable upper side of the base 37 in this associated collecting tray or container. The bound liquid remaining in the laundry 10 is now for the most part squeezed out by corresponding retraction of the press ram 39 into the press basket 38.
  • the laundry 10 which still has a specific, preferably constant, remaining part of bonded liquor 10, in turn is supplied by the conveyor 15 to the inlet funnel 19 of the continuous washing machine 11 and washed, possibly also rinsed and / or aftertreated.
  • the washed and possibly rinsed laundry 10 then leaves the continuous washing machine 11 via its unloading chute 20.
  • the laundry 10 is then passed into the continuous washing machine 11 downstream centrifuge 36.
  • this centrifuge 36 takes place dewatering and optionally also a rinsing of coming out of the continuous washing machine 10 laundry 10, in principle, as previously in connection with the Fig. 1 provided drainage press 13 has been explained.
  • a dewatering press 13 which drains the continuous washing machine 11 leaving laundry 10 at least and freed from a large part of their bound fleet, but optionally also rinses.

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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)
EP17000008.7A 2016-03-09 2017-01-04 Procédé de traitement par voie humide de linge Withdrawn EP3216907A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016002811 2016-03-09
DE102016004207.9A DE102016004207A1 (de) 2016-03-09 2016-04-06 Verfahren zur Nassbehandlung von Wäsche

Publications (1)

Publication Number Publication Date
EP3216907A1 true EP3216907A1 (fr) 2017-09-13

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EP17000008.7A Withdrawn EP3216907A1 (fr) 2016-03-09 2017-01-04 Procédé de traitement par voie humide de linge

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EP (1) EP3216907A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111058217A (zh) * 2019-11-02 2020-04-24 珠海格力电器股份有限公司 多桶洗衣机洗涤剂自动投放系统及控制方法、多桶洗衣机

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1460910A1 (de) * 1963-07-12 1969-03-27 E F Textilien App Bau U Vertri Verfahren und Vorrichtung zum Beladen von Waschmaschinen mit Waschgut
DE2547494A1 (de) * 1975-10-23 1977-05-05 Boco Waeschedienst Ernst Rethw Verfahren und vorrichtung zum kontinuierlichen reinigen von bekleidungsstuecken
WO1992009736A1 (fr) * 1990-11-30 1992-06-11 The Procter & Gamble Company Dispositif utilise pour laver des vetements dans une machine et procede d'utilisation de ce dispositif
DE10312163A1 (de) * 2002-04-19 2003-11-06 Heinrich Anton Kamm Verfahren zum Waschen gewerblich textilen Waschgutes und Vorrichtung hierfür
DE102006009553A1 (de) * 2006-02-28 2007-08-30 Herbert Kannegiesser Gmbh Verfahren und Vorrrichtung zum Nassbehandeln von Wäsche
EP1995364A2 (fr) * 2007-05-21 2008-11-26 Herbert Kannegiesser GmbH Procédé de traitement humide de pièces de linge
US20150167221A1 (en) * 2013-12-17 2015-06-18 Pellerin Milnor Corporation Floor mat and particulate laden material washing apparatus and method
DE102014202990A1 (de) * 2014-02-19 2015-08-20 Henkel Ag & Co. Kgaa Konzentrate

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1460910A1 (de) * 1963-07-12 1969-03-27 E F Textilien App Bau U Vertri Verfahren und Vorrichtung zum Beladen von Waschmaschinen mit Waschgut
DE2547494A1 (de) * 1975-10-23 1977-05-05 Boco Waeschedienst Ernst Rethw Verfahren und vorrichtung zum kontinuierlichen reinigen von bekleidungsstuecken
WO1992009736A1 (fr) * 1990-11-30 1992-06-11 The Procter & Gamble Company Dispositif utilise pour laver des vetements dans une machine et procede d'utilisation de ce dispositif
DE10312163A1 (de) * 2002-04-19 2003-11-06 Heinrich Anton Kamm Verfahren zum Waschen gewerblich textilen Waschgutes und Vorrichtung hierfür
DE102006009553A1 (de) * 2006-02-28 2007-08-30 Herbert Kannegiesser Gmbh Verfahren und Vorrrichtung zum Nassbehandeln von Wäsche
EP1995364A2 (fr) * 2007-05-21 2008-11-26 Herbert Kannegiesser GmbH Procédé de traitement humide de pièces de linge
US20150167221A1 (en) * 2013-12-17 2015-06-18 Pellerin Milnor Corporation Floor mat and particulate laden material washing apparatus and method
DE102014202990A1 (de) * 2014-02-19 2015-08-20 Henkel Ag & Co. Kgaa Konzentrate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111058217A (zh) * 2019-11-02 2020-04-24 珠海格力电器股份有限公司 多桶洗衣机洗涤剂自动投放系统及控制方法、多桶洗衣机

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