EP1737334B1 - Spülverfahren einer geschirrspülmaschine, sowie geschirrspülmaschine - Google Patents

Spülverfahren einer geschirrspülmaschine, sowie geschirrspülmaschine Download PDF

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Publication number
EP1737334B1
EP1737334B1 EP04804638A EP04804638A EP1737334B1 EP 1737334 B1 EP1737334 B1 EP 1737334B1 EP 04804638 A EP04804638 A EP 04804638A EP 04804638 A EP04804638 A EP 04804638A EP 1737334 B1 EP1737334 B1 EP 1737334B1
Authority
EP
European Patent Office
Prior art keywords
air
medium
dehydratable material
reversibly dehydratable
container
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.)
Active
Application number
EP04804638A
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German (de)
English (en)
French (fr)
Other versions
EP1737334A1 (de
Inventor
Egbert Classen
Bernd Müller
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete 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
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL04804638T priority Critical patent/PL1737334T3/pl
Publication of EP1737334A1 publication Critical patent/EP1737334A1/de
Application granted granted Critical
Publication of EP1737334B1 publication Critical patent/EP1737334B1/de
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Classifications

    • 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
    • A47L15/48—Drying arrangements
    • A47L15/481—Drying arrangements by using water absorbent materials, e.g. Zeolith
    • 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
    • A47L15/48—Drying arrangements
    • A47L15/483—Drying arrangements by using condensers
    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/24—Condensing arrangements

Definitions

  • the invention relates to a dishwashing method of a dishwasher and a dishwasher.
  • a dishwasher is known to have a rinsing process whose program sequence generally consists of at least one partial program step "pre-rinsing", one sub-program step “cleaning”, at least one sub-program step “intermediate rinsing", one sub-program step "rinsing” and one sub-program step “drying".
  • the heating of the rinsing liquid is usually carried out by means of electrical heaters in the dishwasher and / or by supplying hot water from the house installation.
  • the items to be washed z. B. are dried in a dishwasher by self-heating, when the rinse is heated in the program step "rinse" and thus the hot rinse washed items by the thus constructed material-dependent heat content of the items during the program step "drying” dries itself.
  • the rinsing liquid is heated in the partial program step "rinse" with a separate heater to a certain temperature and applied to the dishes by means of existing in the dishwasher sprayer.
  • a separate heat source for. B. a hot air blower used in the washing to the humid air mixture during the drying process heat so that the air in the rinse container can absorb a larger amount of moisture.
  • a disadvantage of the heating systems described above according to the described prior art z. B. in dishwashers is that the heating of the rinsing liquid is associated with a relatively high energy consumption, and the required heat energy for each heating phase by means of the electric heating elements must be recreated.
  • the known heating systems have the disadvantage that the heating of the rinsing liquid in the program step "rinse" and the operations in the sub-program step “drying” are themselves associated with a high energy demand, and the required heat energy is lost after the drying process, because they escape into the environment , There are z.
  • Example a method for operating a dishwasher, in which a heat-conducting connected to the washing compartment heat exchanger during a partial program step "drying" is fed with cold fresh water.
  • a condensation surface is produced on the inside of the washing container, at which the moisture condenses and the resulting condensation remains in the washing container. Since the temperature difference between the moist air and the filled fresh water is relatively low and the amount of fresh water is constantly heated, there is the disadvantage that the condensation of the moist air takes a long time, the condensation performance is steadily lower and the duration of the partial program step "drying" is long, at moderate drying result. With the duration of the drying process, the ever-present germs on the dishes are stimulated by the humid-warm environment for rapid growth.
  • the EP 0 777 998 A1 describes as a domestic appliance a tumble dryer in which moist air from the treatment room for drying laundry is passed through a device from an adsorber and a liquid reservoir, wherein the liquid reservoir cools on adsorption and serves as a condensation surface for the moist air from the treatment room. During desorption, however, the air is passed through valves in a bypass line and thereby kept away from the adsorber / desorber. The design and control technology effort is high, so that the efficiency is impaired.
  • the object of the present invention is therefore to provide a dishwashing process of a dishwashing machine, in the course of which it is possible to effectively and efficiently dry the treatment material located in the treatment room of a dishwashing machine from an economic point of view, and thus to minimize the energy expenditure in spite of very good drying performance hold.
  • the program sequence of the rinsing method according to the invention comprises in a partial program step "drying" the following steps: a medium in a container is evaporated and / or sublimated, whereby the medium cools down; the medium vapor generated in the container of reversibly dehydratable material is taken up in a sorber, whereby the reversibly dehydratable material is heated; air is passed from a treatment room to the cooled medium, whereby the air cools to dehumidify the air by condensing the moisture contained therein; The cooled and dehumidified air is heated on reversibly dehydratable material and returned to the treatment room.
  • the reversibly dehydratable material of the sorber is heated for desorption.
  • the medium vapor released from the desorption of the reversibly dehydratable material condenses in the container, causing the medium to heat up.
  • heating the reversible dehydratable material for desorption air is passed from the treatment room of the dishwasher to the heated reversibly dehydratable material and back into the treatment room, whereby the air heats up.
  • the thermal energy used for the desorption of the reversibly dehydratable material according to the invention can be used according to the invention at least partially for heating the treated in the treatment room, especially dishes, and / or the treatment liquid, preferably rinse.
  • the medium is in particular water, and the reversibly dehydratable material, in particular zeolite.
  • Water is a particularly inexpensive and readily available medium.
  • the container of the dishwasher with medium, and the sorber with reversibly dehydratable material are connected to each other via a replacement line with a valve for conducting the medium vapor, and preferably, the container, the sorber and the conduit are an outwardly closed unit.
  • the air is passed from the treatment room of the dishwasher via an outlet in conduits from a fan to the medium for cooling the air, and to the reversibly dehydratable material for heating the air, and back into the treatment room via an inlet.
  • the condensed in the lines of water from the air in the treatment room or in a separate collection container is passed.
  • the condensation can be easily disposed of.
  • air is passed from the treatment space of the dishwasher to the medium, and back again into the treatment space, whereby the air is preferably heated.
  • the medium in the container for heating the treatment liquid and / or the treated material can be used.
  • the reversibly dehydratable material for desorption is heated by an electric heating element.
  • the air from the treatment room of the dishwasher is passed via an outlet in lines from a fan to the medium for preferably heating the air and the reversibly dehydratable material for heating the air, and back into the treatment room via an inlet.
  • the desorption during a sectionprogramm intimide s the dishwasher, z.
  • cleaning or "pre-rinse”
  • pre-rinse with to be treated, for example dishes, and / or treatment liquid, for example, rinse liquor carried out to use the heat energy used for desorption at least partially for heating the material to be treated and / or the treatment liquid.
  • the dishwasher 1 has a closed air circuit, which leads through the lines 6, 7 and 9 and the treatment room 2 with crockery baskets 3, 4.
  • the treatment room 2 In the treatment room 2 is the treated, z. B. dishes (not shown).
  • z. B. rinsing tank 2 In the upper area of the treatment room, z. B. rinsing tank 2, there is an outlet 5 from the washing compartment 2, in which the air flows into the conduit 6, see arrow A.
  • an inlet 8 in which the air from the line 9 in the purge vessel 2 flows, see arrow C.
  • the conduit 7 is arranged with the fan 13, which promotes the air in the conduit 7 in the flow direction according to arrow B.
  • a container 12 which is connected to a medium, for. As water 16 or ice, is filled. As a result, a heat exchange between the air in the conduit 6 and the water 16 or ice in the container 12 is possible.
  • a sorber 10 is arranged in which reversibly dehydratable material 11, z. As zeolite, is located.
  • an electric heating element 17 which heats the reversibly dehydratable material 11 for desorption if necessary.
  • the sorber 10 and the container 12 are connected to each other via an exchange line 15, wherein in the exchange line 15, a valve 14 is arranged to interrupt the connection between the container 12 and the sorber 10 can. In the closed air system, an exchange of polluted air from the environment is excluded, whereby a gearanschmutzung the treated material is prevented.
  • a dishwasher has, as is known, a rinsing method on its program sequence, generally comprising at least one subprogram step "pre-rinsing", a subprogram step “cleaning”, at least one subprogram step “intermediate rinsing", a partial program step “rinsing” and a partial program step “drying” consists.
  • a partial program step “Drying” with the aid of the blower 13 air is passed from the rinsing container 2 via the inlet 5 through the lines 6, 7 and 9, and back again into the rinsing container 2 via the inlet 8.
  • the partial program step “Drying” is located in the rinse tank 2 wet, to be dried dishes with humid air.
  • the valve 14 in the exchange line 15 is preferably opened.
  • the reversibly dehydratable material 11 contained in the sorber 10 has a relatively large capacity for absorbing moisture. Now, if the container 12 is connected to the sorption column 10 by opening the valve 14, the reversibly dehydratable material 11 takes in a short time a large amount of water contained in the container 12 16, and the remaining in the container 12 remainder of water is by evaporative cooling strongly cooled, z. B. until it freezes. The water 16 or ice in the container 12 evaporates or sublimates, and the water vapor passes through the exchange line 15 to the sorber 10. In the sorber 10, the water vapor is absorbed by the reversibly dehydratable material 11.
  • the reversibly dehydratable material 11 and therefore the sorber 10 are heated.
  • the guided from the washing tank 2 moist air condenses.
  • the resulting free condensation water must be dissipated, z. B. in the washing compartment 2 or in a separate reservoir (not shown).
  • the air cooled and dehumidified on the container 12 is passed on to the sorber 10 via the line 7.
  • the sorber 10 has a greatly elevated temperature, for. B. 140 °, due to the condensation heat occurring.
  • This dry and warm air is introduced into the washing container 2 via the inlet 8, and can both heat and dry the dishes to be dried here.
  • the air introduced via the inlet 8 takes up moisture in the washing compartment 2, cools and is then introduced again into the conduit 6 via the outlet 5 in a closed circuit.
  • the valve 14 is opened during the partial program step "Drying", so that the cooling of the container 12, the heating of the sorbent 10 and the circulation of air through the lines 6, 7 and 9 takes place simultaneously.
  • valve 14 it can also be opened before the circulation of the air, the valve 14, so that already cooled at the beginning of the circulation of air for drying the container 12 and the sorber 10 is heated, and thus the full drying performance from the beginning stands.
  • the valve may also be at least partially closed during the recirculation of the air, because due to the heat and cold storage capacity of the container 12 and the sorber 10 no additional cooling or heating is required.
  • the valve 14 normally remains closed because it would cause unnecessary heating or cooling of the container 12 or sorber 10.
  • the reversibly dehydratable material 11 in the sorber 10 must be heated to very high temperatures for desorption, which is accomplished with the electric heating element 17.
  • the stored liquid emerges as hot steam, which passes via the exchange line 15 with the valve 14 open to the container 12, which acts as a condenser, because the hot water vapor condenses in the container 12. Due to the heat of condensation, the container 12 and the water 16 are heated.
  • the sorber 10 is heated by the electric heating element to high temperatures, eg. B. 200 ° - 300 °, heated.
  • the heat energy used for desorption is at least partially heated to heat the rinsing liquor and / or the dishes in a partial program step with rinsing liquor to be heated or already heated rinsing liquor, z.
  • cleaning or "pre-wash” used.
  • the blower 13 is preferably turned on during the desorption of the sorber 10, and the air from the washing container 2 through the lines 6, 7 and 9 according to the arrows A, B and C circulated. In this case, the air heats up on the container 12 and in particular on the sorber 10.
  • the fan 13 is switched on only when the temperature in the container 12 is higher than in the washing container 2.
  • the air via a bypass line (Not shown) around the container 12 is guided around until the temperature in the container 12 is higher than in the washing container 2.
  • the heating of the air in the container 12 and in particular in the sorber 10 is largely sufficient to the rinsing liquor and / or the dishes to warm sufficiently.
  • a further heating largely eliminated, and the energy used for desorption can, except for the low energy, the is needed to overcome the binding forces between water and reversibly dehydratable material, almost completely used for heating the rinse liquor and / or the dishes.
  • This can largely be dispensed with a further heating.
  • this in addition to the energy savings and efficient cleaning of the dishes guaranteed.
  • this also ware with low heat content, eg.
  • a dishwasher with which it is possible to efficiently clean and dry the dishes located in the washing container, and to keep the associated energy consumption as low as possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Drying Of Solid Materials (AREA)
  • Washing And Drying Of Tableware (AREA)
EP04804638A 2003-12-04 2004-12-01 Spülverfahren einer geschirrspülmaschine, sowie geschirrspülmaschine Active EP1737334B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04804638T PL1737334T3 (pl) 2003-12-04 2004-12-01 Sposób zmywania zmywarki do naczyń oraz zmywarka do naczyń

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10356786A DE10356786A1 (de) 2003-12-04 2003-12-04 Verfahren zum Trocknen in einem Haushaltgerät
PCT/EP2004/053211 WO2005053502A1 (de) 2003-12-04 2004-12-01 Verfahren zum trocknen in einem haushaltgerät

Publications (2)

Publication Number Publication Date
EP1737334A1 EP1737334A1 (de) 2007-01-03
EP1737334B1 true EP1737334B1 (de) 2012-09-12

Family

ID=34638356

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04804638A Active EP1737334B1 (de) 2003-12-04 2004-12-01 Spülverfahren einer geschirrspülmaschine, sowie geschirrspülmaschine

Country Status (8)

Country Link
US (1) US8601718B2 (zh)
EP (1) EP1737334B1 (zh)
KR (1) KR20060121251A (zh)
CN (1) CN1889883B (zh)
DE (1) DE10356786A1 (zh)
ES (1) ES2391896T3 (zh)
PL (1) PL1737334T3 (zh)
WO (1) WO2005053502A1 (zh)

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EP1651093B1 (de) * 2003-07-30 2016-09-07 BSH Hausgeräte GmbH Verfahren zum betreiben einer geschirrspülmaschine mit wenigstens einem teilprogrammschritt "trocknen"
DE102005004095A1 (de) † 2004-12-09 2006-06-14 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine
DE102005062941A1 (de) * 2005-12-29 2007-07-05 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät mit einem Adsorptionsapparat und einer Heizvorrichtung
DE102005062942A1 (de) 2005-12-29 2007-07-05 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät umfassend einen Adsorptionsapparat, und Verfahren zum Betrieb eines solchen Hausgerätes
DE102005062943A1 (de) * 2005-12-29 2007-07-05 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät umfassend einen Adsorptionsapparat
DE102007041308A1 (de) * 2007-08-31 2009-03-05 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine
EP2082677A1 (en) 2008-01-18 2009-07-29 Electrolux Home Products Corporation N.V. Process for operating a dishwasher and dishwasher operated according to such process
JP2011528968A (ja) 2008-07-28 2011-12-01 ベーエスハー ボッシュ ウント ジーメンス ハウスゲレーテ ゲゼルシャフト ミット ベシュレンクテル ハフツング 収着乾燥システムを備えた食器洗浄機
RU2536552C2 (ru) * 2008-07-28 2014-12-27 Бсх Бош Унд Сименс Хаусгерете Гмбх Посудомоечная машина с системой сорбционной сушки
DE102008039894A1 (de) * 2008-08-27 2010-03-04 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine mit Sorptionstrockenvorrichtung
DE102008039889A1 (de) * 2008-08-27 2010-03-04 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine mit Sorptionstrockenvorrichtung
DE102008039896A1 (de) * 2008-08-27 2010-03-04 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine mit Sorptionstrockenvorrichtung
DE102008039895A1 (de) 2008-08-27 2010-03-04 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine mit Sorptionstrockenvorrichtung
DE102008043548A1 (de) * 2008-11-07 2010-05-12 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Betreiben einer Geschirrspülmaschine
DE102008054820B4 (de) * 2008-12-17 2014-05-22 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltsgerät mit einer Einspüleinrichtung mit einer Warm- und/oder Trockenlufteinheit
EP2246470B1 (en) * 2009-04-28 2014-06-04 Candy S.p.A. Washer-drier machine
DE102009028931A1 (de) * 2009-08-27 2011-03-03 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Betreiben eines Adsorptions-Trockners und Trockner zur Realisierung des Verfahrens
DE102009048005A1 (de) * 2009-10-02 2011-04-07 Zeo-Tech Gmbh Sorptions-Trockner mit Zeolith
DE102010002086A1 (de) 2010-02-18 2011-08-18 BSH Bosch und Siemens Hausgeräte GmbH, 81739 Trockner mit Adsorbereinheit sowie Verfahren zu seinem Betrieb
KR101736435B1 (ko) * 2010-06-23 2017-05-16 삼성전자주식회사 건조덕트를 구비하는 가전제품
EP2642012B1 (en) * 2012-03-22 2019-05-08 Electrolux Home Products Corporation N.V. Laundry machine and method of laundry treatment in a laundry machine
DE102012007275A1 (de) 2012-04-13 2013-10-17 Eichenauer Heizelemente Gmbh & Co. Kg Kondensationstrockner
DE102012223485B4 (de) 2012-12-18 2022-09-08 BSH Hausgeräte GmbH Trockner mit zwei Wärmetauschern und einer Adsorbereinheit sowie Verfahren zu seinem Betrieb
EP3257425B1 (en) * 2015-02-12 2020-09-16 Foshan Shunde Midea Washing Appliances Mfg. Co., Ltd. Dish-washing machine
CN105040380A (zh) * 2015-08-28 2015-11-11 梁卓 衣物烘干装置
US9854957B2 (en) * 2016-01-20 2018-01-02 Haier Us Appliance Solutions, Inc. Methods for operating dishwasher appliances having energy recovery features
CN107874719A (zh) * 2017-11-16 2018-04-06 浙江帅康电气股份有限公司 一种烘干干燥器和包含该烘干干燥器的洗碗机
DE102018211668A1 (de) 2018-07-12 2020-01-16 BSH Hausgeräte GmbH Trockenschrank mit Glättungs- und Auffrischungsfunktion für Wäschestücke und Verfahren zu seinem Betrieb
CN108968876B (zh) * 2018-07-16 2024-04-12 珠海格力电器股份有限公司 洗碗机
CN111365957B (zh) * 2020-04-16 2023-05-09 重庆电力高等专科学校 镀铬管清洗烘干生产线

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Also Published As

Publication number Publication date
DE10356786A1 (de) 2005-07-07
CN1889883B (zh) 2011-06-15
PL1737334T3 (pl) 2013-02-28
WO2005053502A1 (de) 2005-06-16
US8601718B2 (en) 2013-12-10
US20070234588A1 (en) 2007-10-11
KR20060121251A (ko) 2006-11-28
ES2391896T3 (es) 2012-11-30
CN1889883A (zh) 2007-01-03
EP1737334A1 (de) 2007-01-03

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