EP0283583A2 - Batch washing machine - Google Patents

Batch washing machine Download PDF

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Publication number
EP0283583A2
EP0283583A2 EP87118623A EP87118623A EP0283583A2 EP 0283583 A2 EP0283583 A2 EP 0283583A2 EP 87118623 A EP87118623 A EP 87118623A EP 87118623 A EP87118623 A EP 87118623A EP 0283583 A2 EP0283583 A2 EP 0283583A2
Authority
EP
European Patent Office
Prior art keywords
washing
drum
washing drum
chamber
screw conveyor
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Withdrawn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
EP87118623A
Other languages
German (de)
French (fr)
Other versions
EP0283583A3 (en
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
Original Assignee
Senkingwerk GmbH KG
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 Senkingwerk GmbH KG filed Critical Senkingwerk GmbH KG
Publication of EP0283583A2 publication Critical patent/EP0283583A2/en
Publication of EP0283583A3 publication Critical patent/EP0283583A3/en
Withdrawn legal-status Critical Current

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    • 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 lot washing machine, consisting of a tubular washing drum, which contains a helical screw conveyor.
  • Such a lot washing machine is described in DE-GM 1 894 718.
  • the individual items of laundry are added to one end of the washing drum and removed washed at the other end.
  • One turn of the screw conveyor forms a washing chamber for one item of laundry.
  • the actual washing process is carried out by a reversing rotary movement of the washing drum of less than 360 °, preferably of approximately 300 °, while the laundry items are transported into the following chamber by additional rotation of the drum in the same direction.
  • the individual compartments are divided into a prewash zone, a rinse zone and a rinse zone, in which different measures for the supply and disposal with water, detergents and chemicals are aimed at in order to optimally carry out the washing process. For this it is necessary nimble to provide the appropriate chambers with an outer drum (DE-PS 30 40 309) or other mechanical devices, which is associated with great effort.
  • an outer drum DE-PS 30 40 309
  • the invention has for its object to be able to perform a bath level reduction with simple means in the last chamber of a lot washing machine with screw conveyor.
  • the washing drum can only be rotated so far during normal operation that the perforated part does not come into contact with the laundry. If the laundry item in the last chamber is to be freed from part of the washing liquor, the machine is driven so far that the laundry item is in front of the perforated part of the Conveyor screw or drum shell is so that water can escape. After the required time, you can either continue washing or unloading. This can be achieved with the simplest of means by appropriately controlling the rotary washing drum movement.
  • the washing drum 1 consisting of a horizontally lying tube 1, is divided into individual washing chambers I to V, advantageously by means of a helical conveyor screw 2. This results in the prewash zone (I), the clear wash zone (II and III) and the rinse zone (IV and V).
  • the washing drum 1 is surrounded at a distance by a further drum jacket 3, which is also divided into chambers and with feed lines 4 for fresh water or chemicals and with drains 5 is provided for the wash liquor.
  • Fig. 2 the function is to be illustrated using an image sequence. It is a longitudinal section through the washing drum and a view of the outlet end of the lot washing machine.
  • the individual pictures show the following: a) The last washed item of laundry has just been emptied and the washing drum is at risk in the starting position (0 °). The last chamber is empty and the next item of laundry is moved over the stations by repeatedly reversing the rotation of the washing drum b) 180 ° in the forward direction c) 300 ° in the forward direction b) 180 ° in the return direction a) Starting position treated.
  • step c) is then not switched back to the reflux, but the washing drum rotates beyond the 300 ° position, so that the laundry items get into the area of the perforations 9 of the auger 2 or the washing drum. This creates an overflow for the wash liquor.
  • different amounts of wash water can flow off and the desired bath level can be set. You can then continue washing using the usual reversing cycle c), b, a, b, c, ...
  • the bath level is reduced, in particular aftertreatment of the laundry, such as starches or finishing, is carried out in order to produce a favorable ratio of the amount of water to the amount of treatment agent.
  • the entire amount of rinse water can also be exchanged by completely draining off the wash liquor and supplying fresh water again via line 10.

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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)
  • Washing And Drying Of Tableware (AREA)

Abstract

Bei einer Postenwaschmachine, welche durch eine Förderschnecke (2) in Waschkammern (I ...V) unterteilt ist, kann in der letzten Waschkammer (V) eine Badstandsreduzierung dadurch vorgenommen werden, daß die Förderschnecke (2) (bzw. die Waschtrommel (1)) in einem den Reversierwinkel von 300° für die Waschbewegung der Waschtrommel übersteigenden Bereich gelocht ist und man die Waschtrommel im Bedarfsfalle in den Bereich der Lochung (8) bzw. (9) dreht. Je nach dem Umfang der Drehung in den Sektor der Lochung kann Wasser in der gewünschten Menge in der letzten Kammer (V) entweichen.In the case of a batch washing machine which is divided into washing chambers (I ... V) by a screw conveyor (2), the bath level can be reduced in the last washing chamber (V) by the conveyor screw (2) (or the washing drum (1 )) is perforated in an area exceeding the reversing angle of 300 ° for the washing movement of the washing drum and if necessary, the washing drum is rotated into the area of the perforations (8) or (9). Depending on the extent of the rotation in the sector of the perforation, water in the desired amount can escape in the last chamber (V).

Description



Die Erfindung betrifft eine Postenwaschmaschine, bestehend aus einer rohrförmigen Waschtrommel, welche eine wendelförmige Förderschnecke enthält.The invention relates to a lot washing machine, consisting of a tubular washing drum, which contains a helical screw conveyor.

In dem DE-GM 1 894 718 ist eine derartige Postenwasch­maschine beschrieben. Die einzelnen Wäscheposten werden an einem Ende der Waschtrommel zugegeben und am anderen Ende gewaschen entnommen. Je eine Windung der Förderschnecke bildet eine Waschkammer für je einen Wäscheposten. Der eigent­liche Waschvorgang wird durch reversierende Drehbewegung der Waschtrommel von weniger als 360° vorzugsweise von etwa 300° durchgeführt, während der Transport der Wäscheposten in die folgende Kammer durch zusätzliche Drehung der Trommel in gleichbleibender Richtung erfolgt.Such a lot washing machine is described in DE-GM 1 894 718. The individual items of laundry are added to one end of the washing drum and removed washed at the other end. One turn of the screw conveyor forms a washing chamber for one item of laundry. The actual washing process is carried out by a reversing rotary movement of the washing drum of less than 360 °, preferably of approximately 300 °, while the laundry items are transported into the following chamber by additional rotation of the drum in the same direction.

Die einzelnen Kammern sind in eine Vorwaschzone, eine Klar­waschzone und eine Spülzone eingeteilt, in welchen unter­schiedliche Maßnahmen zur Versorgung und Entsorgung mit Wasser, Waschmitteln und Chemikalien angestrebt wird, um den Waschprozess optimal durchzuführen. Hierzu ist es not­ wendig die entsprechenden Kammern mit einer Außentrommel (DE-PS 30 40 309) oder anderen mechanischen Einrichtungen zu versehen, was mit großem Aufwand verbunden ist.The individual compartments are divided into a prewash zone, a rinse zone and a rinse zone, in which different measures for the supply and disposal with water, detergents and chemicals are aimed at in order to optimally carry out the washing process. For this it is necessary nimble to provide the appropriate chambers with an outer drum (DE-PS 30 40 309) or other mechanical devices, which is associated with great effort.

Häufig ist es vorteilhaft, die Wassermenge in der letzten Kammer der Spülzone, welche gleichzeitig die letzte Kammer der ganzen Maschine ist, zu verringern. Dies ist beispiels­weise der Fall, wenn die Wäsche in dieser Kammer gestärkt werden muß, oder wenn sonstige teure Chemikalien, wie Appreturen zugegeben werden müssen. Der beim Spülen übliche Wasserstand ist dann erfahrungsgemäß viel zu hoch, um einen guten Effekt bei sparsamem Einsatz der Chemikalien zu erreichen.It is often advantageous to reduce the amount of water in the last chamber of the rinsing zone, which is also the last chamber of the whole machine. This is the case, for example, when the laundry has to be strengthened in this chamber or when other expensive chemicals, such as finishes, have to be added. Experience has shown that the usual water level during rinsing is much too high to achieve a good effect when the chemicals are used sparingly.

Es ist daher sinnvoll, den Wasserstand hier zu verringern, von z.B. 6 Liter/kg Trockenwäsche auf nur 3 Liter/kg Trockenwäsche. Es kann auch ein völliges Ablassen des Wassers notwendig sein, wenn der Spülprozess in der gleichen Kammer wiederholt werden soll.It is therefore advisable to reduce the water level here, e.g. from 6 liters / kg dry laundry to only 3 liters / kg dry laundry. It may also be necessary to completely drain the water if the rinsing process is to be repeated in the same chamber.

Der Erfindung liegt die Aufgabe zugrunde, in der letzten Kammer einer Postenwaschmaschine mit Förderschnecke eine Badstandsreduzierung mit einfachen Mitteln vornehmen zu können.The invention has for its object to be able to perform a bath level reduction with simple means in the last chamber of a lot washing machine with screw conveyor.

Zur Lösung dieser Aufgabe werden die im Patentanspruch 1 angegebenen Merkmale vorgeschlagen.To achieve this object, the features specified in claim 1 are proposed.

Durch die Lochung in der letzten Kammer kann die Waschtrommel beim normalen Ablauf nur so weit gedreht werden, daß der gelochte Teil nicht mit der Wäsche in Berührung kommt. Soll der Wäscheposten in der letzten Kammer von einem Teil der Waschflotte befreit werden, so fährt man die Maschine so weit, daß der Wäscheposten vor dem gelochten Teil der Förderschnecke bzw. des Trommelmantels liegt, so daß Wasser entweichen kann. Nach der erforderlichen Zeit kann entweder weitergewaschen oder entladen werden. Dies ist über ent­sprechende Steuerung der Waschtrommeldrehbewegung mit ein­fachsten Mitteln zu verwirklichen.Due to the perforation in the last chamber, the washing drum can only be rotated so far during normal operation that the perforated part does not come into contact with the laundry. If the laundry item in the last chamber is to be freed from part of the washing liquor, the machine is driven so far that the laundry item is in front of the perforated part of the Conveyor screw or drum shell is so that water can escape. After the required time, you can either continue washing or unloading. This can be achieved with the simplest of means by appropriately controlling the rotary washing drum movement.

In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt. Es zeigen

  • Fig. 1 einen Schnitt durch eine Postenwaschmaschine
  • Fig. 2 den Funktionsablauf bei Reversierbewegung und Bad­standsregulierung.
In the drawing, an embodiment of the invention is shown. Show it
  • Fig. 1 shows a section through a lot washing machine
  • Fig. 2 shows the functional sequence for reversing movement and bath level regulation.

Die aus einem waagrecht liegenden Rohr 1 bestehende Wasch­trommel 1 ist in einzelne Waschkammern I bis V unterteilt und zwar vorteilhaft mittels einers wendelförmigen Forder­schnecke 2. Es ergeben sich so die Vorwaschzone (I), die Klarwaschzone (II und III) sowie die Spülzone (IV and V). Um in der Klarwaschzone II und III sowie in der Spülzone IV einen Badwechsel vornehmen zu können, ist hier die Wasch­trommel 1 mit Abstand von einem weiteren Trommelmantel 3 umgeben, welcher ebenfalls in Kammern unterteilt ist und mit Zuleitungen 4 für Frischwasser oder Chemikalien sowie mit Ableitungen 5 für die Waschlauge versehen ist. Auch ist es möglich das Spülwasser aus der Spülkammer IV bzw. V in Zwischenbehälter 6 und 7 aufzufangen und gegebenenfalls in eine der vorderen Kammern zur weiteren Nutzung zurückzu­führen, wie in der Fig. 1 angedeutet ist. Die letzte Kammer V (Spülkammer) ist nicht von dem Trommelmantel 3 um­geben, und doch kann auch in dieser Kammer eine Badstands­regulierung vorgenommen werden. Die Förderschnecke 2 und/­oder die Waschtrommel 1 weist in einem den Reversierwinkel übersteigenden Bereich eine Lochung 8 bzw. 9 auf. Es genügt zur Badstandsregulierung mit der Lochung bis unterhalb des normalen Badstandes zu fahren und einen Teil der Lauge ab­fließen zu lassen, um anschließend den Waschgang wieder fortzusetzen. Dies ist wesentlich einfacher als die Kammer V ebenfalls mit einem weiteren Mantel sowie mit Zu- und Ab­laufanschlüssen zu versehen. Spülwasser kann zentral durch die Leitung 10 der Kammer V zugeführt werden.The washing drum 1, consisting of a horizontally lying tube 1, is divided into individual washing chambers I to V, advantageously by means of a helical conveyor screw 2. This results in the prewash zone (I), the clear wash zone (II and III) and the rinse zone (IV and V). In order to be able to change the bath in the clear washing zones II and III and in the rinsing zone IV, the washing drum 1 is surrounded at a distance by a further drum jacket 3, which is also divided into chambers and with feed lines 4 for fresh water or chemicals and with drains 5 is provided for the wash liquor. It is also possible to collect the rinsing water from the rinsing chamber IV or V in intermediate containers 6 and 7 and, if appropriate, to return them to one of the front chambers for further use, as indicated in FIG. 1. The last chamber V (rinsing chamber) is not surrounded by the drum casing 3, and bath level regulation can also be carried out in this chamber. The screw conveyor 2 and / or the washing drum 1 has the reversing angle in one perforation 8 or 9. To regulate the bath level, it is sufficient to drive the perforation to below the normal bath level and let some of the lye drain off, in order to then continue the washing cycle again. This is much easier than to provide the chamber V with a further jacket and with inlet and outlet connections. Flushing water can be fed centrally through the line 10 to the chamber V.

In Fig. 2 soll die Funktion an einer Bildfolge verdeutlicht werden. Es ist jeweils ein Längsschnitt durch die Wasch­trommel und eine Ansicht des Auslaufendes der Postenwasch­maschine. Die einzelnen Bilder zeigen folgendes:
a) Der fertig gewaschene letzte Wäscheposten ist soeben entleert worden und die Waschtrommel ist in die Ausgangs­stellung zurück gefähren (0°). Die letzte Kammer ist leer und der nächste Wäscheposten wird durch wiederholte reversierende Drehung der Waschtrommel über die Stationen
b) 180° in Vorlaufrichtung
c) 300° in Vorlaufrichtung
b) 180° in Rücklaufrichtung
a) Ausgangsstellung
behandelt.In Fig. 2, the function is to be illustrated using an image sequence. It is a longitudinal section through the washing drum and a view of the outlet end of the lot washing machine. The individual pictures show the following:
a) The last washed item of laundry has just been emptied and the washing drum is at risk in the starting position (0 °). The last chamber is empty and the next item of laundry is moved over the stations by repeatedly reversing the rotation of the washing drum
b) 180 ° in the forward direction
c) 300 ° in the forward direction
b) 180 ° in the return direction
a) Starting position
treated.

Wenn die Behandlung in der letzten Kammer bei erniedrigten Badstand erfolgen soll, wird anschließend an die Stufe c) nicht wieder in den Rücklauf umgeschaltet, sondern die Wasch­ trommel dreht sich über die 300°-Stellung hinaus, so daß die Wäscheposten in den Bereich der Lochung 9 der Forderschnecke 2 bzw. der Waschtrommel gelangt. Es wird dadurch ein Überlauf für die Waschlauge geschaffen. Je nach Drehwinkel, z.B. 330° in Bild d) oder 360° in Bild e) kann unterschiedlich viel Waschlauge abfließen und damit der gewünschte Badstand eingestellt werden. Anschließend kann über den üblichen Reversierzyklus c), b,a,b,c,... weitergewaschen werden.If the treatment in the last chamber is to be carried out with the bath level lowered, the step c) is then not switched back to the reflux, but the washing drum rotates beyond the 300 ° position, so that the laundry items get into the area of the perforations 9 of the auger 2 or the washing drum. This creates an overflow for the wash liquor. Depending on the angle of rotation, for example 330 ° in picture d) or 360 ° in picture e), different amounts of wash water can flow off and the desired bath level can be set. You can then continue washing using the usual reversing cycle c), b, a, b, c, ...

Bei erniedrigtem Badstand wird insbesondere eine Nachbe­handlung der Wäsche, wie Stärken oder Appretieren durchge­führt, um ein günstiges Verhältnis von Wassermenge zur Menge des Behandlungsmittels herzustellen. Es kann aber auch die ganze Spülwassermenge ausgetauscht werden, indem die Wasch­lauge vollständig abgelassen und über die Leitung 10 erneut Frischwasser zugeführt wird.If the bath level is reduced, in particular aftertreatment of the laundry, such as starches or finishing, is carried out in order to produce a favorable ratio of the amount of water to the amount of treatment agent. However, the entire amount of rinse water can also be exchanged by completely draining off the wash liquor and supplying fresh water again via line 10.

Claims (3)

1. Postenwaschmaschine bestehend aus einer rohrförmigen Waschtrommel, welche in einzelne Waschkammern unterteilt ist, insbesondere eine wendelförmige Förderschnecke zur Bildung einzelner Waschkammern enthält, wobei der Waschgang durch reversierende Teildrehung der Waschtrommel durchgeführt wird und der Transport der Wäscheposten in der nächsten Kammer durch mehr als eine volle Umdrehung der Waschtrommel erfolgt,
dadurch gekennzeichnet, daß die die letzte Kammer (V) abschließende Wandung der Förderschnecke (2) und/oder der Waschtrommel (1) in einem den Reversierwinkel übersteigenden Bereich gelocht ist.1. Lot washing machine consisting of a tubular washing drum, which is divided into individual washing chambers, in particular contains a helical screw conveyor to form individual washing chambers, the washing cycle being carried out by reversing the partial rotation of the washing drum and the laundry items being transported in the next chamber by more than one full one Rotation of the washing drum takes place,
characterized in that the wall of the screw conveyor (2) and / or the washing drum (1) closing the last chamber (V) is perforated in a region exceeding the reversing angle. 2. Postenwaschmaschine nach Anspruch 1,
dadurch gekennzeichnet, daß die Förderschnecke (2) kurz vor ihrem Ende in einem etwa einen Sektor von 60° bis 70° umfassenden Bereich gelocht ist.2. Lot washing machine according to claim 1,
characterized in that the screw conveyor (2) is perforated shortly before its end in an area comprising approximately a sector of 60 ° to 70 °. 3. Postenwaschmaschine nach einem der Ansprüche 1 oder 2,
dadurch gekennzeichnet, daß der Mantel der Waschtrommel 1 im Bereich des Auslaufendes der Förderschnecke gelocht ist.3. Lot washing machine according to one of claims 1 or 2,
characterized in that the jacket of the washing drum 1 is perforated in the region of the outlet end of the screw conveyor.
EP87118623A 1987-03-21 1987-12-16 Batch washing machine Withdrawn EP0283583A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3709332 1987-03-21
DE19873709332 DE3709332A1 (en) 1987-03-21 1987-03-21 POST WASHING MACHINE

Publications (2)

Publication Number Publication Date
EP0283583A2 true EP0283583A2 (en) 1988-09-28
EP0283583A3 EP0283583A3 (en) 1988-11-30

Family

ID=6323680

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87118623A Withdrawn EP0283583A3 (en) 1987-03-21 1987-12-16 Batch washing machine

Country Status (4)

Country Link
US (1) US4848107A (en)
EP (1) EP0283583A3 (en)
JP (1) JPS63255100A (en)
DE (1) DE3709332A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0636731A1 (en) * 1993-07-28 1995-02-01 Senkingwerk GmbH Method for washing the laundry in a counter flow, continous batch type washing machine

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JPH02106189U (en) * 1989-02-13 1990-08-23
US5203359A (en) * 1991-11-04 1993-04-20 Ellis Corporation Unitary system for recycling used contaminated material for re-use
US5419209A (en) * 1993-03-15 1995-05-30 Environmental Realty Guild Of America, Inc. System and protocol for residential environmental assessment
US5426958A (en) * 1993-05-24 1995-06-27 Surry Chemicals, Inc. Commercial bleaching apparatus
US5487283A (en) * 1993-05-24 1996-01-30 Surry Chemicals, Inc. Prescour bleaching tunnel
US5333475A (en) * 1993-05-24 1994-08-02 Edmundson Donald J Commercial bleaching apparatus
IT1262033B (en) * 1993-10-07 1996-06-18 In Tec Italia Int Env Tech Srl METAL CONTENT SLUDGE WASHING DEVICE AND PROCEDURE.
DE4422631C2 (en) * 1994-06-28 2002-08-14 Senkingwerk Gmbh Kg Process for washing textiles and washing machine for carrying out the process
ES2107338B1 (en) * 1994-09-15 1998-07-01 Girbau Sa WASHING MACHINE
US7010642B2 (en) * 2000-01-05 2006-03-07 Rambus Inc. System featuring a controller device and a memory module that includes an integrated circuit buffer device and a plurality of integrated circuit memory devices
JP5181240B2 (en) * 2008-06-16 2013-04-10 株式会社東京洗染機械製作所 Washing and dehydrating machine and washing and dehydrating method
WO2010124076A2 (en) * 2009-04-22 2010-10-28 Pellerin Milnor Corporation Continuous batch tunnel washer and method
US11225742B2 (en) * 2016-05-20 2022-01-18 Pellerin Milnor Corporation Combination flow tunnel

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0636731A1 (en) * 1993-07-28 1995-02-01 Senkingwerk GmbH Method for washing the laundry in a counter flow, continous batch type washing machine

Also Published As

Publication number Publication date
JPS63255100A (en) 1988-10-21
DE3709332A1 (en) 1988-09-29
EP0283583A3 (en) 1988-11-30
US4848107A (en) 1989-07-18

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