EP0790798B1 - Procede et dispositif de dosage d'un detergent particulaire - Google Patents

Procede et dispositif de dosage d'un detergent particulaire Download PDF

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Publication number
EP0790798B1
EP0790798B1 EP95936567A EP95936567A EP0790798B1 EP 0790798 B1 EP0790798 B1 EP 0790798B1 EP 95936567 A EP95936567 A EP 95936567A EP 95936567 A EP95936567 A EP 95936567A EP 0790798 B1 EP0790798 B1 EP 0790798B1
Authority
EP
European Patent Office
Prior art keywords
detergent
mixing vessel
water
balance
pan
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
EP95936567A
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German (de)
English (en)
Other versions
EP0790798A1 (fr
Inventor
Günther Amberg
Wolfgang Bechstedt
Joachim Klein
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.)
Ecolab GmbH and Co OHG
Original Assignee
Henkel Ecolab GmbH and Co 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 Henkel Ecolab GmbH and Co KG filed Critical Henkel Ecolab GmbH and Co KG
Publication of EP0790798A1 publication Critical patent/EP0790798A1/fr
Application granted granted Critical
Publication of EP0790798B1 publication Critical patent/EP0790798B1/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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants

Definitions

  • the invention relates to a method for automatic, quantity-controlled Dosing a particulate detergent or cleaning agent from one Storage container in a commercial washing machine or dishwasher.
  • the detergent or cleaning agent is mixed with water and this Mixture conveyed into the washing machine or dishwasher.
  • Processes of this type are preferably found in commercial dishwashing processes or commercial washing process application.
  • the flushing or Detergent which is also called “product” in one Storage containers permanently kept in sufficient quantities and the product is automatically added to the fresh water or circulating water when required added.
  • Dosing devices and dosing processes have been developed for this purpose have been used to control powdered detergents in each Machine, for example in the rinsing room of a commercial dishwasher can be introduced. Such a dosing process is known from DE 37 21 381 A1.
  • a given volume in the Given the rinsing space of the powder dosing device and with water in the usually washing or cleaning machine arranged below the metering device washed in.
  • volumetric dosing process sets that the products used always have the same bulk density to have.
  • the volumetric dosage according to this procedure also goes the angle of repose of the product. Fluctuations in trickle behavior and in However, the grain size distribution leads to different angles of repose and thus to an inaccurate dosage.
  • the inaccuracies in the dosage can be accepted in practice, however Desire for a more precise dosage to reduce the consumption of detergents and cleaning agents to be able to optimize.
  • One such method is for dosing detergents or cleaning agents not suitable. Will those for commercial washing or cleaning operations usual amounts, for example 500 g, from the portion container Washed in water, the product clumps and can not be used with conventional Pump or feed into the machine through normal pipes. In addition, caking forms in the induction channel, which further induction First make quantities difficult and then make them impossible.
  • the invention is therefore based on the object of an inexpensive metering method to create of the type mentioned, with the washing or Detergents for commercial washing or cleaning processes usual amounts can be dosed exactly and washed in without any problems.
  • This object is achieved in that the washing or Detergent continuously or in portions on a weighing pan a scale and when a predetermined target weight is reached feeds a mixing container from the weighing pan, at the same time water into the Mixing container can flow and a ratio of at most 5 kg per min supplied detergent or cleaning agent to 8 1 water per min. It is particularly important that the detergent or cleaning agent introduces water into the mixing container at the same time and at the same time the stated feed ratio of detergent or cleaning agent and water complies with. The total amount of product to be dosed does not become abrupt brought together with water, but only gradually. In this way is a cost-effective, weight-accurate dosage of the product in the each machine reached without induction problems or Caking comes. The precise dosing enables control and optimization of detergent or cleaning agent consumption.
  • the inflow ratio adapted from detergent or cleaning agent to water for each product become. If products made by spray drying are washed in, for example, there should only be a maximum of 2.2 kg per minute with a water inlet of 8 1 are introduced into the mixing container. For products with a bulk density of more than 600 g / l, the so-called heavy powder, this limit is higher, namely 5 kg of product per minute, also related on an inflow of 8 1 water per min.
  • the detergent through an outlet provided with a controllable closure in the weighing pan and the mixing container located below the weighing pan feeds and the outlet partially or completely according to the desired wash or cleaning agent leakage rate opens.
  • the outlet can for example be designed as a flap or a slide.
  • the weighing pan as a funnel with an opening at the lowest point is trained.
  • the adjustable closure can then be placed at this opening to be appropriate.
  • a particularly good mixing of the detergent or cleaning agent with the for running water in the mixing container and a correspondingly easy flushing in of the product in the respective machine is achieved if you do that Allow water to flow tangentially into the mixing tank.
  • the product and the water are mixed well without any additional Aid, for example a stirrer, is required.
  • the storage containers for detergents or cleaning agents for commercial Washing machines or dishwashers usually contain larger quantities, for example 60 kg of product. Above these reservoirs that is often Sales containers, for example a sack with 250 kg, attached, with which the Storage container of the dosing device is filled as required. The over a longer period in the storage container and in the sales container Stored product tends to cake due to its hygroscopic components and to form clumps.
  • the agglomerates can both in the feed of the product from the storage container into the weighing pan as well as at slow feeding according to the invention with simultaneous water flushing into the mixing bowl.
  • the washing or cleaning agent through in the bottom of the storage container provided openings on the weighing pan arranged below can trickle, with a stirrer immediately above this Openings rotates.
  • the openings in the storage container are advantageous chosen at most so large that the typically occurring lumps and Agglomerates cannot pass through the openings. Which Stirrer rotating above the opening smashes these agglomerates, and only finely divided product trickles onto the weighing pan.
  • a volumetric Predosing may be provided. This includes the detergent or cleaning agent through the openings designed as metering holes to one arranged below Collecting plate from which you can get the portions formed in this way over the edge of the collecting plate and onto the weighing pan trickles. So much product trickles through the single dosing hole, until a frustoconical unit with the angle of repose of the corresponding Slope on the edge of the dosing hole. Another powder can only flow down through the hole if existing portions are present Amounts of product have been pushed aside. This volumetric dosage is explained in detail in DE 37 21 381 A1.
  • the method according to the invention can be carried out in different ways.
  • the whole is dosed for one wash or the amount of weight of washing or Detergent into the mixing container and in a single step thence into the washing machine or dishwasher and thus leads one Basic dosage by.
  • a needs-based dosing with simultaneous control of the dosed Weight amount of detergent or cleaning agent is in the range possible with this invention.
  • the individual portions are weighed So not to determine the total amount of product required, but for measuring consumption.
  • the amount of weight added can be displayed saved or printed out at the end of a working day.
  • the respective Product requirements and disruptions in the washing or rinsing process can be easily captured.
  • This variant can be used, for example, to pulse 10 g of the product admit, count the pulses and stop adding these servings, if the conductivity measured in the respective machine reaches its setpoint has reached.
  • the setpoint of Conductivity only reached with a higher amount of product.
  • the setpoint of Conductivity can thus be a needs-based Dosage while checking the amount of weight used Reach product.
  • the invention relates not only to a metering method, but also to one suitable device for carrying out the method with a storage container and a mixing tank connected to a water pipe.
  • a weighing pan attached above the mixing container a scale and a partially and completely openable controllable one Closure of an outlet opening of the weighing pan.
  • the closure is preferably designed as a flap or slide.
  • the weighing pan advantageous as a funnel with an opening at the lowest point educated.
  • a particularly good mixing and flushing of the product is achieved by a tangential inflow direction of the water pipe into the mixing tank reached.
  • a detergent is metered into one or more washing machines in a commercial laundry.
  • the detergent is filled from a sales container, a sack with 250 kg content, into a storage container 1, which has a capacity of 60 kg.
  • a volumetric metering device is arranged in the lower region of the storage container and is explained in more detail below.
  • FIG. 1 shows only a stirrer 3 which is driven by a motor 2 and breaks up agglomerates which have been caked together by the influence of moisture.
  • approximately 30 cm 3 of detergent fall down through openings 4 in the bottom of the storage container 1 onto a funnel-shaped weighing pan 5 which is connected to an electronic scale 6.
  • the particulate detergent trickles into the funnel neck, from one Flap 7 is closed.
  • the target weight is reached, it opens the flap 7 and the detergent fall into the mixing container 8.
  • the cleaning container 8 is a spray drying product Laundry detergent.
  • the flap 7, the locking mechanism of an electronics 9 is controlled, opens only so far that 2.0 kg of detergent trickles into the mixing container per minute.
  • Via a line 10 is simultaneously 8 liters of water per minute tangentially flushed into the mixing container.
  • FIG. 2 shows a top view of one in the lower part of the storage container 1 arranged plate 13 with three dosing holes 14.
  • dosing rotate four stirring arms 15 of a stirrer 16 and smashed by exposure to moisture clumped detergent into small, easy-to-dose particles.
  • the particulate detergent falls through the metering holes 14 onto the in Figure 3 shown collecting plate 17.
  • the resulting frustoconical Dosing portions 18 are from rotating wipers 19 on the respective edge 20 of the opening 4 pushed so that the metering portions the weighing pan 5 trickle.
  • the dosing holes have a diameter of 18 mm, and the distance between the collecting plate 17 and the plate 13 is 10 mm.
  • the distance between the collecting plate 17 and the plate 13 is 10 mm.
  • others can also Dimensions may be provided, with the angle of repose depending on the product can be taken into account.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Detergent Compositions (AREA)

Claims (15)

  1. Procédé de dosage à commande autonome, fonction de la quantité, d'un produit de lavage ou d'un détergent particulaire à partir d'un récipient de stockage dans une machine à laver ou un lave-vaisselle industriel, le produit de lavage ou le détergent étant mélangé avec de l'eau et ce mélange étant transporté dans la machine à laver ou le lave-vaisselle, caractérisé en ce qu'on amène le produit de lavage ou le détergent en continu ou par portions sur un plateau de balance d'une balance et que, lorsqu'un poids de consigne est atteint, on le transfère du plateau de la balance dans un récipient de mélange, on laisse en même temps s'écouler de l'eau dans le récipient de mélange et on respecte simultanément un rapport de maximum 5 kilogrammes par minute de produit de lavage ou de détergent ajouté pour 8 litres d'eau par minute.
  2. Procédé suivant la revendication 1 pour le dosage d'un produit de lavage ou d'un détergent fabriqué par séchage par pulvérisation, caractérisé en ce qu'on dose dans le récipient de mélange au maximum 2,2 kg du produit de lavage ou du détergent par minute, rapportés à un débit d'introduction d'eau de 8 litres par minute.
  3. Procédé suivant la revendication 1 ou 2, caractérisé en ce qu'on amène le produit de lavage ou le détergent dans le récipient de mélange disposé en dessous du plateau de balance à travers une sortie du plateau de balance pourvue d'une fermeture pouvant être commandée et qu'on ouvre ce faisant la sortie partiellement ou entièrement en fonction du débit d'écoulement désiré du produit de lavage ou du détergent.
  4. Procédé suivant la revendication précédente, caractérisé en ce que la fermeture est un clapet ou un tiroir.
  5. Procédé suivant l'une des revendications précédentes, caractérisé en ce que le plateau de balance est construit sous la forme d'un entonnoir avec une ouverture à l'endroit le plus profond.
  6. Procédé suivant l'une des revendications précédentes, caractérisé en ce qu'on laisse pénétrer l'eau de manière tangentielle dans le récipient de mélange.
  7. Procédé suivant l'une des revendications précédentes, caractérisé en ce qu'on laisse ruisseler le produit de lavage ou le détergent sur le plateau de balance situé en dessous à travers des ouvertures prévues dans le fond du récipient de stockage, un agitateur tournant directement au-dessus de ces ouvertures.
  8. Procédé suivant la revendication précédente, caractérisé en ce que le produit de lavage ou le détergent tombe à travers les ouvertures conçues comme trous de dosage sur un plateau de réception situé en dessous, duquel on pousse les portions ainsi formées au-delà du bord du plateau de réception et on les laisse ruisseler sur le plateau de balance.
  9. Procédé suivant l'une des revendications précédentes, caractérisé en ce qu'on dose en une seule fois la quantité pondérale totale de produit de lavage ou de détergent requise pour une étape de lavage ou une étape de lavage de vaisselle dans le récipient de mélange et qu'on la dose de là dans la machine à laver ou le lave-vaisselle.
  10. Procédé suivant l'une des revendications 1 à 8, caractérisé en ce qu'on dose une petite partie de la quantité pondérale totale de produit de lavage ou de détergent requise pour une étape de lavage ou une étape de lavage de vaisselle dans le récipient de mélange et qu'on la dose de là dans la machine à laver ou le lave-vaisselle, qu'on mesure la conductibilité électrique de la lessive dans la machine et qu'on répète le processus jusqu'à ce que la conductibilité mesurée ait atteint une valeur de consigne.
  11. Dispositif pour la réalisation du procédé suivant l'une quelconque des revendications précédentes, comportant un récipient de stockage (1) et un récipient de mélange (8) raccordé à une tuyauterie d'eau (10), caractérisé par un plateau de balance (5) d'une balance (6) disposé au-dessus du récipient de mélange (8) et une fermeture (7) pouvant être commandée d'une ouverture de sortie du plateau de balance (5), qui peut être ouverte partiellement ou entièrement.
  12. Dispositif suivant la revendication précédente, caractérisé en ce que la fermeture est construite sous la forme d'un clapet (7) ou d'un tiroir.
  13. Dispositif suivant la revendication 11 ou 12, caractérisé en ce que le plateau de balance (5) est construit sous la forme d'un entonnoir avec une ouverture à l'endroit le plus profond.
  14. Dispositif suivant l'une des revendications 11 à 13, caractérisé par une direction d'entrée tangentielle de la tuyauterie d'eau (10) dans le récipient de mélange (8).
  15. Dispositif suivant l'une des revendications 11 à 14, caractérisé par un agitateur (3) disposé directement au-dessus des ouvertures de sortie (4) dans le fond du récipient de stockage (1).
EP95936567A 1994-11-07 1995-10-30 Procede et dispositif de dosage d'un detergent particulaire Expired - Lifetime EP0790798B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4439680 1994-11-07
DE4439680A DE4439680C1 (de) 1994-11-07 1994-11-07 Verfahren zum Dosieren eines teilchenförmigen Wasch- oder Reinigungsmittels und dazu geeignete Vorrichtung
PCT/EP1995/004244 WO1996014012A1 (fr) 1994-11-07 1995-10-30 Procede et dispositif de dosage d'un detergent particulaire

Publications (2)

Publication Number Publication Date
EP0790798A1 EP0790798A1 (fr) 1997-08-27
EP0790798B1 true EP0790798B1 (fr) 1999-09-22

Family

ID=6532651

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95936567A Expired - Lifetime EP0790798B1 (fr) 1994-11-07 1995-10-30 Procede et dispositif de dosage d'un detergent particulaire

Country Status (6)

Country Link
EP (1) EP0790798B1 (fr)
AT (1) ATE184774T1 (fr)
CA (1) CA2204784A1 (fr)
DE (2) DE4439680C1 (fr)
FI (1) FI971933A0 (fr)
WO (1) WO1996014012A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29820266U1 (de) * 1998-11-12 1999-07-15 Gerhards, Matthias, 87527 Sonthofen Automatischer Wäschewaschmittelaufbewahrungsdosierer mit Wasserhärtegradregulierung und Kindersicherung
DE19852205C2 (de) * 1998-11-12 2001-10-18 Matthias Gerhards Waschmitteldosiergerät
DE10331401A1 (de) * 2003-05-21 2004-12-09 Aweco Appliance Systems Gmbh & Co. Kg Haushaltsmaschine
DE10347766A1 (de) * 2003-10-14 2005-06-09 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsmaschine mit einem System zur Zufuhr von Reinigungsmittel in die Reinigungsflüssigkeit
DE102007048199B3 (de) 2007-10-08 2009-01-15 Miele & Cie. Kg Dosiereinrichtung für pulverförmiges Behandlungsmittel für eine Waschmaschine und Waschmaschine
DE102007048197A1 (de) * 2007-10-08 2009-04-16 Miele & Cie. Kg Dosiereinrichtung für Behandlungsmittel für eine Waschmaschine und Waschmaschine
CN101649536A (zh) * 2008-08-14 2010-02-17 博西华电器（江苏）有限公司 滚筒洗衣机及其进水的控制方法
EP2540902B1 (fr) * 2011-06-30 2020-05-13 Electrolux Home Products Corporation N.V. Machine à laver le linge
AT516795B1 (de) * 2015-01-28 2019-08-15 Knorr Bremse Gmbh Zellenradschleuse und Sandungsanlage für ein Schienenfahrzeug mit verbessertem Ansprechverhalten und wenig pulsierendem Materialstrom
TR201617595A1 (tr) * 2016-12-01 2018-06-21 Arcelik As Deterjan Etkinliği Arttırılan Bir Bulaşık Makinası
CN112798764A (zh) * 2021-01-22 2021-05-14 宁波大禾仪器有限公司 自动加粉缩水率测试设备
CN113249934A (zh) * 2021-04-06 2021-08-13 青岛海尔滚筒洗衣机有限公司 衣物处理剂的投放装置以及包含该机构的衣物处理设备

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DE2921911C2 (de) * 1979-05-30 1985-07-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Steuereinrichtung für Waschmaschinen
US4444730A (en) * 1982-06-07 1984-04-24 Colgate-Palmolive Company Detergent dispenser
JPS60192224A (ja) * 1984-03-13 1985-09-30 Michio Oya 洗剤の計量排出機構
DD232518A1 (de) * 1984-12-06 1986-01-29 Schwarzenberg Waschgeraete Einrichtung fuer die zugabe von wasch- und waschhilfsmittel in waschmaschinen
DE3721381A1 (de) * 1987-06-29 1989-01-19 Henkel Kgaa Pulverdosiervorrichtung
DD262686A1 (de) * 1987-07-30 1988-12-07 Textima Veb K Verfahren und vorrichtung zum dosieren von pulver- oder granulatfoermigen textilhilfsmitteln

Also Published As

Publication number Publication date
DE59506912D1 (de) 1999-10-28
EP0790798A1 (fr) 1997-08-27
FI971933A7 (fi) 1997-05-06
WO1996014012A1 (fr) 1996-05-17
ATE184774T1 (de) 1999-10-15
FI971933A0 (fi) 1997-05-06
DE4439680C1 (de) 1996-06-05
CA2204784A1 (fr) 1996-05-17

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