EP3473937B1 - Système et procédé d'extraction et de filtrage de vapeurs de cuisson - Google Patents

Système et procédé d'extraction et de filtrage de vapeurs de cuisson Download PDF

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Publication number
EP3473937B1
EP3473937B1 EP18200574.4A EP18200574A EP3473937B1 EP 3473937 B1 EP3473937 B1 EP 3473937B1 EP 18200574 A EP18200574 A EP 18200574A EP 3473937 B1 EP3473937 B1 EP 3473937B1
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EP
European Patent Office
Prior art keywords
grease
cleaning
air
cooktop
cleaning fluid
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
EP18200574.4A
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German (de)
English (en)
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EP3473937A1 (fr
Inventor
Beat Ernst
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.)
Wesco AG
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Wesco AG
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Publication date
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Publication of EP3473937A1 publication Critical patent/EP3473937A1/fr
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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
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F24C15/2057—Removing cooking fumes using a cleaning liquid
    • 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
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F24C15/2042—Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft

Definitions

  • the invention relates to a system consisting of a vapor filter device and a hob for extracting and filtering cooking vapors below the level of the hob.
  • Extractor hoods should be designed at head height in such a way that they do not get in the way of the user when cooking. However, the greater the distance from the hob, the greater the risk of unwanted, partial distribution of cooking vapors in the kitchen.
  • extraction devices have also been used in which cooking vapors are extracted as close as possible to the point of origin, i. H. between, next to, behind or directly above a hob. They can be integrated into the hob in a stationary or extendable manner.
  • a device for extracting cooking vapors into an exhaust air duct located vertically below the plane of the cooktop is proposed.
  • a fan motor of the extraction device can be arranged outside of a piece of kitchen furniture comprising the hob, e.g. B. in the basement of a house.
  • An inlet opening of the extraction device is to be closed off by means of a rotary valve or a cover ( DE 20 2009008286 U1 ) designed to be lockable.
  • each hob can also be assigned devices for supplying air as a flushing medium.
  • the trough-shaped entry and closure unit can be designed to be removable and dishwasher-safe.
  • an extraction device which has an extraction opening for cooking vapors arranged in the cooktop.
  • the extraction opening is followed by a suction shaft in which a water filter is arranged in order to separate fat particles from the extracted air enriched with cooking fumes.
  • a perforated plate is arranged in the water filter through which bubbling air is fed into the water filter.
  • the air bubbles are intended to transport fat particles and other particles to the water surface and form a fat film.
  • This film of grease should flow into a separate collection container and can be removed from there.
  • a conventional knitted metal grease filter can also be arranged, although this requires additional measures to suppress odors.
  • U1 discloses a grilling device with an extractor hood having an air duct on one side of the heating platen.
  • a housing for an air space and an obliquely arranged filter mesh is connected to the air duct.
  • the air to be cleaned flows through the filter mesh.
  • the bottom area of the air duct can be cleaned with water without touching the filter mesh.
  • the object of the invention is to develop a system consisting of a vapor filter device and a cooktop for extracting and filtering cooking vapors below the level of the cooktop, which enables efficient removal of cooking vapors and simple cleaning of grease filters.
  • the vapor filter device comprises at least one closable inlet opening for cooking vapors in the hob level, which is assigned spatially close to a hob and which communicates with an air conveying unit.
  • the inlet opening opens into a cleaning container, in which a grease separator unit through which the cooking vapors can flow is arranged.
  • the cleaning container also has a preferably closable outlet opening for degreased air to the air conveying unit and in its bottom area an outlet for separated grease and a cleaning liquid.
  • an efficient extraction of cooking vapors and a separation of fat, among other things, from the cooking vapors is achieved in connection with a simple, maintenance-free cleaning of the grease filter used.
  • An essential advantage of the invention is that the cleaning of the filter of the haze filter device is maintenance-free to the extent that the filter does not have to be handled (removed and reinserted) to clean it.
  • the filter is cleaned of the deposited fat in the haze filter device by means of an integrated cleaning module.
  • the haze filter device according to the invention is arranged below the hob level.
  • the 1 shows the system according to the invention, consisting of a vapor filter device and a hob (2) with a piece of kitchen furniture (1), in a sectional view.
  • An inlet opening 3 is assigned spatially close to the hob 2 in the plane of the hob, through which cooking vapors and room air 4 (arrow) can be sucked in directly at the hob 2 .
  • several inlet openings 3 can also be arranged.
  • the inlet opening 3 can be closed watertight by means of a closure flap 5 .
  • the closure flap 5 can be rotated or pivoted, as in FIG 1 shown by way of example, or as a reversibly attachable cover (not shown).
  • a cleaning container 6 is arranged in the kitchen furniture 1 in a fixed or removable manner below the inlet opening 3 .
  • the inlet opening 3 opens directly into the cleaning container 6, but if necessary a transition piece can also be arranged between the inlet opening 3 and the cleaning container 6.
  • the freed air flow 4 leaves the cleaning container 6 through an outlet opening 8 below the fat separator unit 7.
  • the outlet opening 8 can in turn be closed watertight by means of a flap 9.
  • the flap 9 can be actuated and controlled electromechanically, for example.
  • An air conveying unit 10 is connected to the outlet opening 8 with the flap 9 .
  • the air conveying unit 10 comprises an air conveying duct 11 to a fan 12 with an electric drive motor and at least one exhaust air opening 13 for the cleaned air flow 4.
  • the exhaust air opening 13 can be assigned a unit for further air purification, for example by means of plasma or UV treatment, in particular to improve odors .
  • the cleaned exhaust air can be fed back into the room in recirculation mode or fed into the ambient air in exhaust air mode.
  • the cleaning container 6 is also a liquid module 20 ( 1 ) assigned.
  • a grease-dissolving cleaning liquid 21 is provided in this liquid module 20 . This can be processed again after use.
  • the liquid module 20 is connected to the cleaning tank 6 via a feed line 23 .
  • the supply line 23 is routed through an opening in the cleaning container 6 to at least one injection point 29 which is arranged above and/or below the fat separator unit 7 .
  • a plurality of injection points are preferably arranged above and below the fat separator unit 7 and directed towards it.
  • the cleaning liquid 21 can be a specific cleaning agent. It is preferably tap water and the liquid container 22 can be connected to a water connection in a manner that is not shown.
  • the liquid module 20 also includes a heater 24, which is connected upstream of a pump 25, and an addition unit 26.
  • the cleaning liquid 21 is conveyed from the liquid container 22 by means of the pump 25 in the feed line 23 to a heater 24, where it is heated to an optimum temperature for fat dissolving heated and sprayed onto the fat separation unit 7 via preferably a plurality of injection points 29 .
  • another cleaning agent can also be added to the cleaning liquid 21 by the addition unit 26 .
  • the grease separator unit 7 is preferably cleaned when the inlet opening 3 is closed.
  • the greasy cleaning liquid 21 collects in the bottom area 30, which is located below the outlet opening 8, of the cleaning container 6 and is returned from there through a return line 28 and a filter 27 into the liquid container 22, in particular pumped.
  • the grease could also drip from the grease separating unit 7 into the floor area 30 and be drawn off there without the cleaning described above.
  • the liquid module 20 can also be designed as a replacement module and, including the cleaning liquid 21, can be processed by a service company (recycling).
  • greasy cleaning liquid 21 can also be fed directly to a removable collection container (not shown) and disposed of in an environmentally friendly manner.
  • the grease filter of the grease separator unit 7 does not have to be washed out externally. Rather, this takes place in the installed state in the cleaning container 6 and the maintenance work that has been customary up to now is no longer necessary.
  • the flat grease filter of the grease separator unit 7 is cleaned when the opening 8 is closed.
  • the cleaning can be carried out, for example, at fixed intervals or monitored by sensors when there is a defined grease load on the grease filter.
  • a drum-shaped, rotatable grease filter 40 of the grease separation unit 7 is provided in the cleaning container 6, the lower area 41 of which is immersed in a bath of cleaning liquid 21 when it is rotated.
  • the adhering fat is washed out and returned with the loaded cleaning liquid 21 via the return line 28 as described above.
  • the degreased air flow 4 is guided outwards through a hollow and perforated shaft 42 (with an outlet opening) of the drum-shaped grease filter, analogous to the exhaust air opening 13.
  • the rotatable grease filter 40 can be used during operation, e.g. H. are continuously moistened by the cleaning liquid 21 during the fat separation and cleaning process. This film of moisture on the surface of the grease filter 40 can improve the separation of the grease molecules.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Claims (8)

  1. Système, constitué d'un dispositif de filtrage des émanations et d'une table de cuisson (2), destiné à extraire et à filtrer des émanations de cuisson en-dessous d'un plan d'une table de cuisson d'un meuble de cuisine (1), comprenant dans le plan de la table de cuisson au moins une ouverture d'admission (3) d'émanations de cuisson apte à être fermée, qui est affectée à proximité physique à la table de cuisson (2) et qui communique avec une unité conductrice d'air (10), le dispositif de filtrage des émanations comprenant un réservoir épurateur (6) dans lequel débouche l'ouverture d'admission (3) et dans lequel est placée une unité séparatrice des graisses (7) susceptible d'être traversée par les émanations de cuisson, le réservoir épurateur (6) comportant une ouverture d'évacuation de l'air dégraissé et dans une zone de fond inférieur (30), une évacuation des graisses séparées et d'un liquide nettoyant (21), caractérisé en ce que le réservoir épurateur (6) est muni d'au moins un point d'injection (29) du liquide nettoyant (21), en ce que le dispositif de filtrage des émanations comprend un module à liquide (20) pour un liquide nettoyant (21) diluant les graisses, le module à liquide (20) comprenant un réservoir à liquide (22), un système de chauffage (24) pour chauffer le liquide nettoyant (21), une pompe (25) et une conduite d'alimentation (23) du liquide nettoyant (21) vers l'au moins un point d'injection (29) sur l'unité séparatrice des graisses (7) dans laquelle est injecté le liquide nettoyant (21) chauffé.
  2. Système selon la revendication 1, caractérisé en ce que l'unité séparatrice des graisses (7) est conçue sous la forme d'un filtre à graisses ou séparateur centrifuge plat.
  3. Système selon la revendication 1, caractérisé en ce que l'unité séparatrice des graisses (7) est conçue sous la forme d'un filtre à graisses (40) rotatif, en forme de tambour.
  4. Système selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'ouverture d'évacuation d'air dégraissé est apte à être fermée.
  5. Système selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'évacuation dans la zone de fond inférieur (30) du réservoir épurateur (6) est reliée avec une conduite de recyclage (28).
  6. Système selon la revendication 5, caractérisé en ce que la conduite de recyclage (28) est reliée avec le réservoir épurateur (6).
  7. Procédé, destiné à extraire et à filtrer des émanations de cuisson au moyen d'un système constitué d'un dispositif de filtrage des émanations et d'une table de cuisson (2) selon l'une quelconque des revendications précédentes, l'extraction ayant lieu à proximité physique de la table de cuisson (2) et en-dessous d'un plan de table de travail d'un meuble de cuisine (1) et un flux d'air étant évacué au moyen d'une unité conductrice d'air (10), caractérisé en ce que le flux d'air (4) chargé en émanations de cuisson traverse une unité séparatrice des graisses (7) placée dans un réservoir épurateur (6) et circule ensuite à travers une ouverture d'évacuation dans l'unité conductrice d'air (10) et en ce que par la suite, l'unité séparatrice des graisses (7) est soumise par injection à un liquide nettoyant (6) chauffé à l'aide d'un système de chauffage (24) à une température d'action pour la dilution des graisses et à l'aide dudit liquide nettoyant, des graisses sont éliminées de l'unité séparatrice des graisses (7).
  8. Procédé selon la revendication 7, caractérisé en ce que le liquide nettoyant (21) enrichi en graisses est évacué hors du réservoir épurateur (6).
EP18200574.4A 2017-10-19 2018-10-16 Système et procédé d'extraction et de filtrage de vapeurs de cuisson Active EP3473937B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01280/17A CH714258A2 (de) 2017-10-19 2017-10-19 Dunstfiltereinrichtung für Kochfelder, insbesondere zum Absaugen und Filtern von Kochdünsten unterhalb der Kochfeldebene.

Publications (2)

Publication Number Publication Date
EP3473937A1 EP3473937A1 (fr) 2019-04-24
EP3473937B1 true EP3473937B1 (fr) 2022-01-26

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EP (1) EP3473937B1 (fr)
CH (1) CH714258A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4403831A1 (fr) * 2023-01-18 2024-07-24 Electrolux Appliances Aktiebolag Appareil combiné

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3759397B1 (fr) 2018-02-27 2023-04-05 BSH Hausgeräte GmbH Hotte de table et procédé servant à nettoyer une hotte de table
IT202000027516A1 (it) * 2020-11-17 2022-05-17 Faber Spa Gruppo filtro perfezionato per cappa aspirante
CZ35478U1 (cs) * 2021-09-23 2021-10-19 Tomáš Čech Odstředivé filtrační zařízení
DE102022120194B4 (de) 2022-08-10 2024-09-19 3Defacto Gmbh Dunstabzugsvorrichtung mit Reinigungsflüssigkeit
DE202022002854U1 (de) 2022-08-10 2023-10-05 3Defacto Gmbh Kochfeldabzug

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
JP3466982B2 (ja) * 2000-03-06 2003-11-17 株式会社ノリタケカンパニーリミテド 無煙調理器
AU2003248612B2 (en) * 2002-08-16 2007-12-20 Kim Lui So Self cleaning exhaust system and method
DE102007002241B4 (de) 2007-01-10 2021-11-18 Wilhelm Bruckbauer Vorrichtung zum Abzug von Kochdünsten
DE102008050723A1 (de) 2008-10-11 2010-04-15 Wilhelm Bruckbauer Vorrichtung zum Kochen mit Spül-Luftzuführung und Spül-Luftabsaugung
DE202009008286U1 (de) 2009-06-10 2009-09-24 Bruckbauer, Wilhelm Kochdunst-Eintrittsvorrichtung mit abnehmbarer deckelförmiger Verschließeinrichtung
DE202011000813U1 (de) * 2011-04-06 2011-09-07 Fancy Food Service Equipment Co., Ltd. Teppan-Yaki-Grillvorrichtung
CN103732994B (zh) * 2011-08-24 2016-08-24 松下知识产权经营株式会社 抽油烟机
DE102012206254A1 (de) 2012-04-17 2013-10-17 BSH Bosch und Siemens Hausgeräte GmbH Abdeckeinrichtung und Tischlüftereinrichtung
DE202013004993U1 (de) 2013-06-03 2013-07-08 Manfred Staubach Hybrid-Lüftungssystem
DE202016003254U1 (de) 2016-05-20 2016-06-22 CDS-Design GmbH Abzugsvorrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4403831A1 (fr) * 2023-01-18 2024-07-24 Electrolux Appliances Aktiebolag Appareil combiné

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Publication number Publication date
CH714258A2 (de) 2019-04-30
EP3473937A1 (fr) 2019-04-24

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