EP2048444A3 - Method for cleaning a system, composed of a tank and a percolator as well as system - Google Patents

Method for cleaning a system, composed of a tank and a percolator as well as system Download PDF

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Publication number
EP2048444A3
EP2048444A3 EP08017435A EP08017435A EP2048444A3 EP 2048444 A3 EP2048444 A3 EP 2048444A3 EP 08017435 A EP08017435 A EP 08017435A EP 08017435 A EP08017435 A EP 08017435A EP 2048444 A3 EP2048444 A3 EP 2048444A3
Authority
EP
European Patent Office
Prior art keywords
tank
cleaning
water heater
fluid
natural circulation
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
EP08017435A
Other languages
German (de)
French (fr)
Other versions
EP2048444A2 (en
EP2048444B1 (en
Inventor
Torben Becker
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.)
Miele und Cie KG
Original Assignee
Miele und Cie 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 Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP2048444A2 publication Critical patent/EP2048444A2/en
Publication of EP2048444A3 publication Critical patent/EP2048444A3/en
Application granted granted Critical
Publication of EP2048444B1 publication Critical patent/EP2048444B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C14/00—Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning
    • F24C14/005—Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning using a cleaning liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
    • F22B1/288—Instantaneous electrical steam generators built-up from heat-exchange elements arranged within a confined chamber having heat-retaining walls

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

Verfahren zur Reinigung, insbesondere zur Entkalkung, eines Systems (26), bestehend aus einem Tank (26.1) zur Bevorratung von Wasser und einem Durchlauferhitzer (26.2) zur Erzeugung von Wasserdampf für einen Behandlungsraum (2) eines Haushaltsgeräts, wobei der Tank (26.1) und der Durchlauferhitzer (26.2) sowohl an dem dampfseitigen wie auch an dem wasserseitigen Ende des Durchlauferhitzers (26.2) miteinander fluidleitend verbunden sind und das Verfahren die nachfolgenden Verfahrensschritte in der angegebenen Reihenfolge aufweist:
- Füllen des Tanks (26.1) und des Durchlauferhitzers (26.2) mit einer Reinigungsflüssigkeit, zumindest bis der Füllstand eine Höhe (40) erreicht hat, bei der an der fluidleitenden Verbindung (32) an dem dampfseitigen Ende des Durchlauferhitzers (26.2) zwischen Tank (26.1) und Durchlauferhitzer (26.2) ein durchgehender Flüssigkeitsspiegel ausgebildet ist, so dass in dem System (26) ein Naturumlauf der Reinigungsflüssigkeit ermöglicht ist,
- Einschalten des Durchlauferhitzers (26.2) und Regeln der Temperatur der Flüssigkeit in dem System (26) auf eine vorher festgelegte Soll-Temperatur, so dass sich in dem System (26) ein Naturumlauf der Reinigungsflüssigkeit ergibt,
- Füllen des Tanks (26.1) mit einer vorher festgelegten Menge an Spülflüssigkeit nach einer vorher festgelegten Reinigungsdauer unter Beibehaltung des Naturumlaufs und
- Ausschleusen des Gemisches aus Reinigungs- und Spülflüssigkeit aus dem System (26).

Figure imgaf001
Method for cleaning, in particular for descaling, a system (26), comprising a tank (26.1) for storing water and a water heater (26.2) for generating steam for a treatment chamber (2) of a domestic appliance, the tank (26.1) and the instantaneous water heater (26.2) are fluid-conductively connected to one another both at the steam-side and at the water-side end of the instantaneous water heater (26.2), and the method comprises the following process steps in the order indicated:
- Filling the tank (26.1) and the water heater (26.2) with a cleaning liquid, at least until the level has reached a level (40) at the at the fluid-conducting connection (32) at the steam-side end of the water heater (26.2) between tank ( 26.1) and water heater (26.2) a continuous liquid level is formed, so that in the system (26) a natural circulation of the cleaning liquid is made possible,
- turning on the flow heater (26.2) and controlling the temperature of the liquid in the system (26) to a predetermined setpoint temperature such that a natural circulation of the cleaning liquid results in the system (26),
- filling the tank (26.1) with a predetermined amount of flushing fluid after a predetermined period of cleaning while maintaining natural circulation and
- Outward discharge of the mixture of cleaning and rinsing fluid from the system (26).
Figure imgaf001
EP08017435.2A 2007-10-09 2008-10-04 Method for cleaning a system, composed of a tank and a continous-flow heater Active EP2048444B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007048567A DE102007048567B4 (en) 2007-10-09 2007-10-09 Process for cleaning a system consisting of a tank and a water heater, and system

Publications (3)

Publication Number Publication Date
EP2048444A2 EP2048444A2 (en) 2009-04-15
EP2048444A3 true EP2048444A3 (en) 2012-02-01
EP2048444B1 EP2048444B1 (en) 2016-02-24

Family

ID=40193560

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08017435.2A Active EP2048444B1 (en) 2007-10-09 2008-10-04 Method for cleaning a system, composed of a tank and a continous-flow heater

Country Status (2)

Country Link
EP (1) EP2048444B1 (en)
DE (1) DE102007048567B4 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011054687B4 (en) 2011-10-21 2018-04-05 Miele & Cie. Kg Cooking appliance with evaporation device and method for producing an evaporation device
EP2650615B2 (en) * 2012-04-11 2024-05-15 Electrolux Home Products Corporation N.V. Oven for baking food products
EP2703729B1 (en) * 2012-08-28 2017-12-13 Electrolux Home Products Corporation N.V. A cooking oven with an oven cavity and a cleaning apparatus
EP2705779B1 (en) * 2012-09-10 2014-09-03 Electrolux Home Products Corporation N.V. A steam system for a steam cooking appliance
EP2896882B1 (en) 2014-01-15 2022-06-01 Electrolux Appliances Aktiebolag Steam generator and household appliance
DE102014112521A1 (en) * 2014-09-01 2016-03-03 Miele & Cie. Kg Cooking appliance
US9788679B2 (en) 2015-06-29 2017-10-17 Whirlpool Corporation Steam generation system for use in cooking appliance
WO2019185321A1 (en) * 2018-03-29 2019-10-03 BSH Hausgeräte GmbH Domestic steam treatment appliance
KR102555384B1 (en) * 2018-06-15 2023-07-13 엘지전자 주식회사 Cooking device
KR102490846B1 (en) * 2018-06-15 2023-01-25 엘지전자 주식회사 Steam generating apparatus and cooking device having the same
DE102019125135A1 (en) * 2019-09-18 2020-09-03 Miele & Cie. Kg Tank for a cooking device and cooking device
EP4357681A1 (en) * 2022-10-19 2024-04-24 SMEG S.p.A. Steam oven and method for monitoring the limescale level in a steam oven
DE102022212145A1 (en) 2022-11-15 2024-05-16 E.G.O. Elektro-Gerätebau GmbH Device for generating steam and household appliance with such a device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0483622A1 (en) * 1990-10-27 1992-05-06 JUNO GROSSKÜCHEN GmbH Process and system for operating a steam generator for cooking apparatus
DE19701090A1 (en) * 1997-01-15 1998-07-16 Meisner Werner Evaporator assembly for industrial water effluent
CH691948A5 (en) * 2000-06-28 2001-12-14 V Zug Ag Boiler for steam generator in steam cooking unit, comprises sensors for measuring water and heating element temperatures, and lime scale detection unit utilizing signals from these sensors
DE10109251C1 (en) * 2001-02-26 2002-08-08 Rational Ag Steam generator, in particular for a cooking appliance
WO2002068876A1 (en) * 2001-02-26 2002-09-06 Rational Ag Device and method for cleaning a cooking device
EP1430823A1 (en) * 2002-12-19 2004-06-23 Convotherm Elektrogeräte GmbH Method and apparatus for deliming steam generators for cooking appliances

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0483622A1 (en) * 1990-10-27 1992-05-06 JUNO GROSSKÜCHEN GmbH Process and system for operating a steam generator for cooking apparatus
DE19701090A1 (en) * 1997-01-15 1998-07-16 Meisner Werner Evaporator assembly for industrial water effluent
CH691948A5 (en) * 2000-06-28 2001-12-14 V Zug Ag Boiler for steam generator in steam cooking unit, comprises sensors for measuring water and heating element temperatures, and lime scale detection unit utilizing signals from these sensors
DE10109251C1 (en) * 2001-02-26 2002-08-08 Rational Ag Steam generator, in particular for a cooking appliance
WO2002068876A1 (en) * 2001-02-26 2002-09-06 Rational Ag Device and method for cleaning a cooking device
EP1430823A1 (en) * 2002-12-19 2004-06-23 Convotherm Elektrogeräte GmbH Method and apparatus for deliming steam generators for cooking appliances

Also Published As

Publication number Publication date
DE102007048567A1 (en) 2009-04-16
EP2048444A2 (en) 2009-04-15
EP2048444B1 (en) 2016-02-24
DE102007048567B4 (en) 2011-11-24

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