EP1354549A2 - Appareil de dosage de détergent pour laves-vaisselles - Google Patents

Appareil de dosage de détergent pour laves-vaisselles Download PDF

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Publication number
EP1354549A2
EP1354549A2 EP03003470A EP03003470A EP1354549A2 EP 1354549 A2 EP1354549 A2 EP 1354549A2 EP 03003470 A EP03003470 A EP 03003470A EP 03003470 A EP03003470 A EP 03003470A EP 1354549 A2 EP1354549 A2 EP 1354549A2
Authority
EP
European Patent Office
Prior art keywords
dosing device
dishwashing detergent
dosing
dishwasher
components
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.)
Granted
Application number
EP03003470A
Other languages
German (de)
English (en)
Other versions
EP1354549A3 (fr
EP1354549B1 (fr
Inventor
Hans Georg Hagleitner
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.)
Hagleitner Hygiene International GmbH
Original Assignee
Hagleitner Hygiene International GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=63142899&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1354549(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hagleitner Hygiene International GmbH filed Critical Hagleitner Hygiene International GmbH
Publication of EP1354549A2 publication Critical patent/EP1354549A2/fr
Publication of EP1354549A3 publication Critical patent/EP1354549A3/fr
Application granted granted Critical
Publication of EP1354549B1 publication Critical patent/EP1354549B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/32—Organic compounds containing nitrogen
    • 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
    • A47L15/24—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by conveyors
    • A47L15/247—Details specific to conveyor-type machines, e.g. curtains
    • 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
    • A47L15/4236—Arrangements to sterilize or disinfect dishes or washing liquids
    • 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
    • A47L15/4418—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants in the form of liquids
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/02—Inorganic compounds
    • C11D7/04—Water-soluble compounds
    • C11D7/06—Hydroxides

Definitions

  • the present invention relates to a metering device for metering a at least two components of existing dishwashing detergent in one Dishwasher, in particular transport machine or belt machine, wherein the dishwashing detergent contains at least one alkaline component and at least one has a dispersant and optionally at least one complexing agent.
  • Dishwashing detergents are used, which come from different Components are composed, these individual components or chemical substances for various tasks, such as on the one hand the Dirt removal, on the other hand serve to protect the machine and the dishes.
  • Dishwashing detergents are used, in which the individual components in are mixed together in a fixed relationship.
  • Dishwashing detergents usually from so-called "monoproducts”.
  • Alkaline component mainly serves to remove dirt, being may also contain corrosion inhibitors that protect the machine and the parts of which serve against the aggressiveness of the alkali component.
  • a component of the dishwashing detergent is usually a so-called dispersant intended. This keeps the dirt detached from the dishes in the washing solution bound, so that it is prevented from sitting on the dishes again can.
  • Components can also be an additional disinfection component or Bleaching component can be provided to the dishes chemically or in conjunction with disinfect at an elevated temperature chemically and thermally.
  • the dishwashing detergent is always mixed as ready Product of the individual necessary for the different tasks Components used. This usually occurs in the prior art overdosing at least one component like the following examples demonstrate:
  • a dishwasher If a dishwasher is constantly running with very chalky or hard water operated, must to prevent the formation of lime soap and Prevent lime from precipitating (combined with defective heating elements, encrusted machines), as much dishwashing detergent is dosed as for the Complexation (binding) of lime is necessary. This in turn happens automatically overdosage the others in the dishwashing detergent existing components.
  • Another example of this overdose is then given if a dishwasher e.g. runs continuously from 9 a.m. to 7 p.m. without having to change the washing liquor during this time. In this example the dosage of the dish detergent must be set so high that the Cleaning success is also satisfactory at the end of the operating time. To the To keep dirt in the heavily loaded washing liquor and to prevent that it sticks to the dishes to be washed again will increase the amount of Dispersant needed, so the other components of the Dishwashing detergent are again overdosed.
  • the object of the present invention is therefore to create a metering device with which the above-mentioned disadvantages of the prior art are avoided.
  • the metering device (1) at least two separate enemas for at least one Component of the dishwashing detergent and a control or regulating device has, the control or regulating device, the individual components in an adjustable quantity ratio, preferably in advance and / or variable dosed to each other in the dishwasher.
  • the metering device makes it possible for the individual Components of the dishwashing detergent via those in the dosing device provided separate inlets e.g. from separate storage containers, supply lines or the like to bring them independently from each other and from there dosed individually, making one both economical and out ecologically optimal adjustment of the dosage to the respective conditions, in which a dishwasher is used, is possible. So it can Composition of the dishwashing detergent among others at the local degree of hardness of the water used, on the present Degree of soiling of the dishes as well as the total volume of daily amount of washing dishes can be adjusted. With a quantitative ratio both a volume ratio and a mass ratio of the individual Components are understood to each other.
  • a dishwasher with a usually provided main wash zone and a main wash tank, that the dosing device into the components of the dishwashing detergent Main wash zone, preferably in the main wash tank, dosed.
  • This will make the components of the Dishwashing detergent introduced directly into the area of the dishwasher, in which they are essentially needed.
  • the metering device has a memory and has a data input device, preferably a keyboard, wherein in the memory via the data input device at least one, preferably different, Quantity ratio (s) of the individual components as part of at least one Wash program, preferably different wash programs, can be entered and in this can be stored, the control device regulating the individual Components depending on the (the) in the wash program (in the wash programs) stored ratio (s) dosed. So in this form of training it is possible to put together different washing programs that are specific to the respective needs of the dishwasher once set up on site are turned off. Again, it is particularly favorable that the Quantity ratio (s) variable depending on the time of day in the Rinse program (s) can be entered and can be stored in this (these).
  • the dosage of the individual components depend on the time of day of the day Rinsing needs are adjusted. This is e.g. cheap if light in the morning dirty breakfast dishes, heavily soiled lunch dishes, etc. is to be rinsed.
  • the wash program is interruptible and at least one predefinable Special washing program can be played while the washing program is interrupted.
  • the metering device is used as a control device, by using at least one measuring device for determining at least one Has controlled variable.
  • the controlled variable provides information about the current one Condition of the washing liquor present in the dishwasher and can e.g. can be used by the control or regulating device the measured Control variable by dosing at least one component of the Dishwashing detergent to a predefinable, preferably time-variable setpoint if necessary, continuously adjust. This ensures that preferably always the optimal e.g. Concentrations provided in the washing program of the individual components of the dishwashing liquid in the washing solution are.
  • this control device can also be provided that the control or regulating device from a comparison of the measured controlled variable with the setpoint the amount to be dosed a first Component of the dishwashing detergent, preferably the alkaline component, and from this the quantities to be dosed from a predefinable quantitative ratio other components of the dishwashing detergent. This will make the individual components in the desired mixing ratio held to each other.
  • the desired setpoints can e.g. also in Wash program saved.
  • measuring devices or control variables can be used in the prior art known variants can be realized.
  • a pH measurement is possible.
  • the measuring device has a electrical conductivity probe and the controlled variable the electrical conductivity of a Rinse water composition or a rinse liquor.
  • the measurement of the controlled variable usually takes place in the main wash tank of the dishwasher, as here in the As a rule, the optimal concentration of the individual components of the dishwashing detergent must be guaranteed.
  • the metering device additionally at least one bleach and / or disinfectant and / or at least one Rinse aid together with or in spatially separated places from the Dishwashing detergent dosed into the dishwasher.
  • the rinse aid will usually introduced into the rinse aid zone or into the rinse aid tank, while the bleach and / or disinfectant also in addition to Dishwashing detergent injected into the main wash zone or main wash tank can be.
  • the rinse aid is rinsed with the rinse water after the Actual cleaning applied to the dishes as the last stage to beading and thereby prevent droplet stains and the drying accelerate. It is therefore independent of the actual dishwashing detergent the rinse water product to be dosed.
  • Dosing device 1 is shown schematically.
  • the dishes 31 to be washed are e.g. in Baskets 12 moved on a conveyor belt 31 through the dishwasher 2.
  • the pre-wash zone 3 the main wash zone 4
  • the Rinse zone 5 and rinse zone 6 and drying zone 7.
  • the dishes are only from here Splashed or spray nozzles 9 shown in simplified form.
  • the splashed Liquids are discharged from the system via the schematically indicated lines Prewash tank 13, the main wash tank 14, the clear wash tank 15 and the Rinsed tank 16 removed. After the sprayed liquid the dishes has passed, it essentially runs back into the respective tank 13 below it back to 16.
  • the tanks are arranged in a cascade one behind the other Boiler 10 heated fresh water from the fresh water supply line 11 first in the Rinse tank 16 initiated and here as explained in more detail below with rinse aid in at a low concentration.
  • the prewash tank 13 reaches its maximum soiling and leaves the dishwasher 2 over the overflow of the drain 18 the pre-wash zone 3 a pre-cleaning, in which those attached to the dishes Leftovers are loosened.
  • the actual washing process takes place in the Main wash zone 4 instead.
  • the dishes 31 are completely adherent Dirt cleaned.
  • the different Tanks 13 to 16 existing rinsing liquor through the fresh water running in is permanently diluted, unless appropriate countermeasures are provided are.
  • the setting of the desired concentrations of in the individual tanks Dishwashing detergent or other components such as Rinse aid is used both after the exchange of the entire washing liquor as well as during normal operation the dishwasher 2 is realized by the metering device 1 according to the invention and monitored.
  • the metering device 1 is for this purpose via inlets 24 with storage containers 19 to 23 connected.
  • the individual components to be dosed are introduced in the example shown here, pumps measuring flow rates 25.
  • the pumps 25 can be different, not shown here but can also be replaced by flow measuring valves if the Inflow of the individual components with the help of gravitation is ensured.
  • valves or pumps with a constant flow rate or Delivery capacity can be used, the control or regulating device 1 the Flow rate e.g. depending on the delivery time of the pumps or Valve opening time calculated.
  • a wide variety of types come as pumps e.g. Peristaltic pumps, diaphragm pumps, piston pumps or the like in Question.
  • the control and the flow rate monitoring of the pumps 25 or the valves used in their place is controlled by the control or Control device 27 realized. As shown schematically, this is with the Data input device 28, the data memory 29 and optionally with a display 30 connected.
  • the individual components from the containers 19 to 22 are in the example shown individually sucked in by pumps 25 via the inlets 24 into the metering device 1 and from there passed through feed lines 32 into the main wash tank 14, during the Rinse aid from the container 23 is in the via a separate line 33 Rinse tank 16 is initiated.
  • the system shown schematically in the figure can all substances from the containers 19 to 23 independently or but can also be dosed depending on each other.
  • individual components such as the alkaline Component, the dispersant and the complexing agent also in the Dosing device 1 mixed according to the desired ratio and over a common supply line 32 can be introduced into the main wash tank 14.
  • the wash programs are preferably via the Data input device 28 entered into the metering device 1 and in the Memory 29 filed. You can enter and select the wash program using the Display 30 done interactively.
  • the dosing device does not communicate via here shown data lines with the dishwasher 2 and thereby receives the signals necessary for controlling the metering pumps 25.
  • the main signals are provided for pre-dosing, main dosing and rinsing.
  • control or regulating device 27 can be designed as a pure control be, the previously entered and currently selected washing program played is done by timing the individual components depending on the Program progress can be metered.
  • the tax or Control device 27 can also be designed as a control by, as here shown, via a measuring device 26 dependent on the washing liquor Control variable measures.
  • the measuring device is 26 designed as a conductivity measuring probe and arranged in the main wash tank.
  • the measured value of the controlled variable preferably the electrical conductivity of the Rinse liquor, is preferably permanently in this embodiment with the im Wash program compared to the specified setpoint.
  • the controlled variable deviates from the setpoint from, a corresponding addition of the required component of the Dishwashing detergent.
  • the components can be metered in individually and independently of one another. Alternatively, however, can also it can be provided that a component e.g. the alkaline component as The leading component acts and the other components in a pre-in The rinse program specified ratio to be added to this. Either Control as well as regulation can respond to fluctuations in demand depending on the time of day be adjusted.
  • the entire washing liquor is removed from the tanks 13 at least once a day to 16 emptied and replaced by fresh water.
  • the washing process begins, whereby the wash ware passes through the individual zones 3 to 7.
  • the metering device measures the controlled variable by means of the measuring device 26, preferably the conductivity of the washing liquor and doses the as described above individual components so that the measured controlled variable always matches the setpoint is adjusted. If necessary, bleaching and / or Disinfectants are added to the washing liquor.
  • Dosing device 1 for the particular task of a dishwasher customized individual solution can be realized because the individual is currently required substances or components of the dishwasher cleaner on site, for dosed into the dishwasher 2 at the right time and in the right amount become.
  • the invention is not based on the embodiment shown limited.
  • the dosing device according to the invention can e.g. as programmable logic controller (PLC) or as a dosing computer.
  • PLC programmable logic controller
  • the metering device 1 can also be used with a suitable one bidirectional interface for data transfer from and to an external Data processing equipment (e.g. laptop). Via the interface can then e.g. both rinse programs on the metering device 1 and / or Log files about program execution, errors or the like to the external Data processing device are transmitted.
  • an external Data processing equipment e.g. laptop
  • the interface can then e.g. both rinse programs on the metering device 1 and / or Log files about program execution, errors or the like to the external Data processing device are transmitted.
  • additional components of the dish detergent from the Dosing device according to the invention in the main wash tank but also in others Tanks are metered.
  • dispersant As a suitable alkaline component, dispersant, complexing agent, bleaching agent and / or Disinfectants and rinse aids can be different at the state of the Technology known substances can be used. Among other things, come Substances with the following characteristics in question:
  • the alkaline component is preferably provided to be at least a corrosion inhibitor, preferably at least one silicate, and at least 30% Has potassium hydroxide.
  • a substance can preferably be used as the complexing agent more than 30% sodium nitriloacetate and less than 5% phosphonates used become.
  • the dispersant it is advantageous if it contains 5 to 15% phosphonates and / or contains polycarboxylates.
  • Contains the bleach and / or disinfectant preferably 35% hydrogen peroxide and / or sodium hypochlorite solution with 15% Active chlorine.
  • the rinse aid can be provided to be more than 5% and less as 15% non-ionic surfactants and / or preservatives and / or solubilizers and / or dyes.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Washing And Drying Of Tableware (AREA)
EP03003470A 2002-04-19 2003-02-15 Appareil de dosage de détergent pour laves-vaisselles Revoked EP1354549B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0025802U AT6023U1 (de) 2002-04-19 2002-04-19 Dosiereinrichtung
AT2582002U 2002-04-19

Publications (3)

Publication Number Publication Date
EP1354549A2 true EP1354549A2 (fr) 2003-10-22
EP1354549A3 EP1354549A3 (fr) 2005-07-20
EP1354549B1 EP1354549B1 (fr) 2011-11-16

Family

ID=63142899

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03003470A Revoked EP1354549B1 (fr) 2002-04-19 2003-02-15 Appareil de dosage de détergent pour laves-vaisselles

Country Status (3)

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EP (1) EP1354549B1 (fr)
AT (2) AT6023U1 (fr)
SI (1) SI1354549T1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2529656A3 (fr) * 2011-05-24 2013-07-24 Stockmeier Chemie GmbH & Co. KG Agent de rinçage, utilisation de l'agent de rinçage dans une lave-vaisselle, lave-vaisselle et procédé de fonctionnement associé
US9192282B2 (en) 2010-12-14 2015-11-24 Whirlpool Corporation Dishwasher system with a reuse tank
US9516989B2 (en) 2010-12-14 2016-12-13 Whirlpool Corporation Dishwasher system with a reuse tank
CN107669230A (zh) * 2017-10-25 2018-02-09 浙江友嘉电器有限公司 一种洗碗粉采用封闭式投料方式的分配器
CN108720784A (zh) * 2017-04-21 2018-11-02 坎迪股份公司 具有多个分配清洁剂的分配器的洗碗机
CN112826397A (zh) * 2020-12-31 2021-05-25 佛山市顺德区美的洗涤电器制造有限公司 清洗方法及装置、处理器及清洗设备
CN113031472A (zh) * 2021-01-27 2021-06-25 彭召相 自动化杯体清洗系统

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10358969A1 (de) * 2003-12-16 2005-07-21 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine mit einer Dosiervorrichtung für Zuschlagmittel und zugehöriges Verfahren
DE102008053312A1 (de) * 2008-10-27 2010-04-29 Henkel Ag & Co. Kgaa Dosiervorrichtung zur Dosierung von Substanzen sowie Haushaltsmaschine
BE1024009B9 (nl) * 2013-10-04 2017-11-30 Christeyns N V Inrichting voor het ter plaatse bereiden en toepassen van bleekmiddel en/of desinfectiemiddel

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1386199A (fr) * 1963-03-29 1965-01-15 Lyons & Co Ltd J Perfectionnements au lavage d'instruments culinaires et domestiques, notamment porcelaines et faïences
US3896827A (en) * 1973-08-31 1975-07-29 Norman R Robinson Dish machine monitoring of time, temperature, alkalinity, and pressure parameters
DE8232195U1 (de) * 1982-11-16 1984-04-26 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Einer automatisch arbeitenden Wasch- oder Geschirrspülmaschine beistellbares Gerät
DE4113024A1 (de) * 1991-04-20 1992-10-22 Henkel Kgaa Verfahren zum maschinellen reinigen von gebrauchsgeschirr
US5453131A (en) * 1992-10-27 1995-09-26 Diversey Corporation Multiple protocol multiple pump liquid chemical dispenser
DE19836739A1 (de) * 1998-08-13 2000-02-17 Meiko Maschinenbau Gmbh & Co Geschirrspülmaschine
DE19940645A1 (de) * 1999-08-26 2001-03-08 Henkel Ecolab Gmbh & Co Ohg Spülverfahren und Spülmaschine

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9192282B2 (en) 2010-12-14 2015-11-24 Whirlpool Corporation Dishwasher system with a reuse tank
US9516989B2 (en) 2010-12-14 2016-12-13 Whirlpool Corporation Dishwasher system with a reuse tank
US10058225B2 (en) 2010-12-14 2018-08-28 Whirlpool Corporation Dishwasher system with a reuse tank
US11779190B2 (en) 2010-12-14 2023-10-10 Whirlpool Corporation Dishwasher system with a reuse tank
EP2529656A3 (fr) * 2011-05-24 2013-07-24 Stockmeier Chemie GmbH & Co. KG Agent de rinçage, utilisation de l'agent de rinçage dans une lave-vaisselle, lave-vaisselle et procédé de fonctionnement associé
CN108720784A (zh) * 2017-04-21 2018-11-02 坎迪股份公司 具有多个分配清洁剂的分配器的洗碗机
CN107669230A (zh) * 2017-10-25 2018-02-09 浙江友嘉电器有限公司 一种洗碗粉采用封闭式投料方式的分配器
CN107669230B (zh) * 2017-10-25 2023-08-29 浙江友嘉电器有限公司 一种洗碗粉采用封闭式投料方式的分配器
CN112826397A (zh) * 2020-12-31 2021-05-25 佛山市顺德区美的洗涤电器制造有限公司 清洗方法及装置、处理器及清洗设备
CN112826397B (zh) * 2020-12-31 2022-04-08 佛山市顺德区美的洗涤电器制造有限公司 清洗方法及装置、处理器及清洗设备
CN113031472A (zh) * 2021-01-27 2021-06-25 彭召相 自动化杯体清洗系统

Also Published As

Publication number Publication date
EP1354549A3 (fr) 2005-07-20
AT6023U1 (de) 2003-03-25
SI1354549T1 (sl) 2012-03-30
ATE533393T1 (de) 2011-12-15
EP1354549B1 (fr) 2011-11-16

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