EP3473937A1 - Fume filter device - Google Patents

Fume filter device Download PDF

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Publication number
EP3473937A1
EP3473937A1 EP18200574.4A EP18200574A EP3473937A1 EP 3473937 A1 EP3473937 A1 EP 3473937A1 EP 18200574 A EP18200574 A EP 18200574A EP 3473937 A1 EP3473937 A1 EP 3473937A1
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EP
European Patent Office
Prior art keywords
cooking
filter device
cleaning
grease
air
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Granted
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EP18200574.4A
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German (de)
French (fr)
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EP3473937B1 (en
Inventor
Beat Ernst
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Wesco AG
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Wesco AG
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    • 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 vapor filter device for hobs, in particular for sucking and filtering cooking fumes below the cooking surface level.
  • hoods which are located above stoves and hobs.
  • Hoods at head height should be designed so that they do not get in the way of the user when cooking. But the greater the distance from the hob, the greater the risk of unwanted, partial distribution of cooking fumes in the kitchen.
  • extractor devices have also been used, in which cooking fumes are extracted as close as possible to the place of origin, d. H. between, beside, behind or directly above a hob. They can be stationary or extendable integrated into the hob.
  • a device for the withdrawal of cooking fumes in a vertically located below the cooking field level exhaust duct is proposed.
  • a fan motor of the trigger device can be arranged outside of a, the hob comprehensive, kitchen furniture, z. B. in the basement of a house.
  • An inlet opening of the extraction device is by means of a rotary valve or a lid ( DE 20 2009008286 U1 ) designed lockable.
  • each hob can also be assigned facilities for supplying air as flushing medium.
  • the trough-shaped inlet and closing unit can be designed removable and dishwasher suitable.
  • table fans for example according to EP 2653787 A2 known, respectively vertically from the worktop resp. Cooking field level are extendable.
  • a filter element is provided in the table fan.
  • extractor devices which can be actuated in the exhaust or recirculation mode.
  • air in a room can be sucked into an extractor unit in the exhaust air mode.
  • the air can also be decoupled from the exhaust system in recirculation mode and placed in a filter box with several filters, eg. B. Activated carbon filter to be routed.
  • the air is cleaned in these filters in several stages and enters the filter box cleanly in the room.
  • a trigger device which has a arranged in the hob exhaust opening for cooking fumes.
  • a suction duct in which a water filter is arranged to separate fat particles from the extracted, enriched with cooking fumes air.
  • a perforated plate is arranged in the water filter, is passed through the bubbling air into the water filter.
  • the air bubbles are used to transport fat particles and other particles to the water surface and form a greasy film. This greasy film should drain into a separate collection container and can be removed from there.
  • a conventional metal-knit grease filter may be arranged, but this requires additional measures for odor suppression.
  • the invention has for its object to develop a vapor filter device for hobs, in particular for sucking and filtering cooking fumes below the cooking surface level, which allows efficient removal of cooking fumes and easy cleaning of grease filters.
  • the haze filter device comprises at least one closable inlet opening for cooking fume in the cooking field level, which is associated spatially close to a hob and which communicates with an air conveying unit.
  • the inlet opening opens into a cleaning container, in which a, from the cooking fume Oberströmbare Fettabscheideiki is arranged.
  • the cleaning container also has a, preferably closable, discharge port for degreased air to the air conveyor unit and in its bottom area an outlet for separated grease and a cleaning liquid.
  • an efficient extraction of cooking fumes and a separation of fat, among other things from the cooking fumes is achieved, in conjunction 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 vapor filter device is maintenance-free to the extent that handling (removal and re-insertion) of the filter for its cleaning is not necessary.
  • the filter is cleaned in the haze filter device by means of an integrated cleaning module from settled grease.
  • the inventive haze filter device can be arranged in particular below the cooking surface level, but can also be arranged in head or table hoods.
  • the Fig. 1 shows a vapor filter device according to the invention, which is associated with a hob 2 of a kitchen cabinet 1, in a sectional view.
  • the hob 2 spatially close an inlet opening 3 is assigned in the cooking field level, can be sucked by the cooking fume and room air 4 (arrow) directly on the hob 2.
  • a plurality of inlet openings 3 may be arranged.
  • the inlet opening 3 can be closed watertight by means of a closure flap 5.
  • the shutter 5 may be rotatable or pivotable, as in the Fig. 1 exemplified, or as a reversibly attachable lid (not shown) may be formed.
  • a cleaning container 6 is arranged fixed or removable in the kitchen 1.
  • the inlet opening 3 opens directly into the cleaning container 6, but if necessary, a transition piece can be arranged between the inlet opening 3 and the cleaning container 6.
  • the cleaning container 6 is preferably approximately perpendicular to the air stream 4 (cooking vapor and air) a Fettabscheideerne 7, for example in the form of a sheet metal knitted fabric filter or a centrifugal, fixed or removable arranged, which is flowed through by the air stream 4. Fat particles u. a. are thereby deposited on the Fettabscheideech 7 and the fat u. a. Exempted air stream 4 leaves the cleaning container 6 through an outlet opening 8 below the Fettabscheidevenez 7. The outlet opening 8 is in turn watertight closable by means of a flap 9.
  • the flap 9 can be actuated and controlled electromechanically, for example.
  • the air delivery unit 10 comprises an air delivery channel 11 to a fan 12 with electric drive motor and at least one exhaust port 13 for the purified air stream 4.
  • the exhaust port 13 may be a unit for further air purification, for example by means of plasma or UV treatment, in particular for odor improvement ,
  • the cleaned exhaust air can be returned in a recirculation mode in the room or supplied in the exhaust air operation of the ambient air.
  • the cleaning container 6 is still a liquid module 20 ( Fig. 1 ).
  • a grease-dissolving cleaning liquid 21 is provided in this liquid module 20, a grease-dissolving cleaning liquid 21 is provided. This can be reprocessed after use.
  • the liquid module 20 is connected via supply line 23 with the cleaning container 6.
  • the supply line 23 is guided through an opening in the cleaning container 6 to at least one injection point 29, which is arranged above and / or below the Fettabscheideappel 7.
  • a plurality of injection points are arranged above and below the Fettabscheidetechnik 7 and directed to this.
  • the cleaning liquid 21 may be a specific cleaning agent. Preferably, it is tap water and while the liquid container 21 may be connected in a manner not shown to a water connection.
  • the liquid module 20 further comprises a heater 24, which is connected upstream of a pump 25, and an addition unit 26.
  • the cleaning liquid 21 is conveyed by means of the pump 25 in the supply line 23 to a heater 24, there to an optimum effective temperature for fat solution heated and sprayed on preferably several injection points 29 on the Fettabscheideischen 7.
  • the cleaning liquid 21 may be added by the addition unit 26 also another detergent.
  • the cleaning of the grease separating unit 7 preferably takes place with the inlet opening 3 closed.
  • the greasy cleaning liquid 21 collects in the bottom region 30, which is located below the outlet opening 8 of the cleaning tank 6 and is returned from there by a return line 28 and a filter 27 in the liquid container 22, in particular pumped.
  • the grease could also drip from the grease-separating unit 7 without the above-described cleaning into the bottom area 30 and be removed there.
  • the liquid module 20 may also be configured as an exchange module and, including the cleaning liquid 21, be processed by a service operation (recycling).
  • the supply line 23 may alternatively be connected directly to a dishwasher or the like, which performs the function of the liquid module 20.
  • fatty cleaning fluid 21 can also be fed directly to a, not shown, removable collecting container and disposed of in an environmentally sound manner.
  • the grease filter of the grease separating unit 7 does not need to be externally washed out. Rather, this takes place in the installed state in the cleaning container 6 and the previously usual maintenance costs are eliminated.
  • the cleaning of the flat fat filter of the Fettabscheideiki 7 takes place at the closed opening 8.
  • the cleaning can be made, for example, at fixed intervals or sensor monitored at a defined fat loading on the grease filter.
  • a drum-shaped, rotatable grease filter 40 of the Fettabscheideech 7 is provided in the cleaning container 6 instead of the flat metal-knit grease filter, which, in rotation, each lower portion 41 immersed in a bath of cleaning fluid 21.
  • the adhering fat is washed out and returned with the loaded cleaning liquid 21 via the return line 28 as described above.
  • the defatted air stream 4 is passed through a hollow and perforated shaft 42 (with an outlet opening) of the drum-shaped grease filter to the outside, analogous to the exhaust port 13th
  • the rotatable grease filter 40 may fail during operation, i. H. be continuously moistened by the cleaning fluid 21 during the Fettabscheide- and cleaning process. This moisture film on the surface of the grease filter 40 can improve the deposition of the fat molecules.

Abstract

Die Erfindung betrifft eine Dunstfiltereinrichtung für Kochfelder, insbesondere zum Absaugen und Filtern von Kochdünsten unterhalb der Kochfeldebene eines Küchenmöbels (1). Es soll eine effiziente Entfernung von Kochdünsten und eine einfache Reinigung von Fettfiltern ermöglicht werden.The invention relates to a vapor filter device for hobs, in particular for sucking and filtering cooking fumes below the cooking surface level of a kitchen cabinet (1). The aim is to enable efficient removal of cooking fumes and easy cleaning of grease filters.

Hierzu umfasst die erfindungsgemässe Dunstfiltereinrichtung mindestens eine verschliessbare Einlassöffnung (3) für Kochdunst in der Kochfeldebene, dieeinem Kochfeld (2) räumlich nah zugeordnet ist und die mit einer Luftfördereinheit (10) kommuniziert. Die Einlassöffnung (3) mündet in einen Reinigungsbehälter (6), in dem eine, vom Kochdunst durchströmbare Fettabscheideeinheit (7) angeordnet ist. Der Reinigungsbehälter (6) weist eine Auslassöffnung für entfettete Luft und in einem Bodenbereich (30) einen Auslass für abgeschiedenes Fett und eine Reinigungsflüssigkeit (21) auf.

Figure imgaf001
For this purpose, the inventive haze filter device comprises at least one closable inlet opening (3) for cooking vapors in the cooking surface plane, which is spatially close to a hob (2) and which communicates with an air conveying unit (10). The inlet opening (3) opens into a cleaning container (6), in which a, arranged by the cooking fume Fettabscheideeinheit (7) is arranged. The cleaning container (6) has a deflate outlet and in a bottom portion (30) a discharged grease outlet and a cleaning liquid (21).
Figure imgaf001

Description

Die Erfindung betrifft eine Dunstfiltereinrichtung für Kochfelder, insbesondere zum Absaugen und Filtern von Kochdünsten unterhalb der Kochfeldebene.The invention relates to a vapor filter device for hobs, in particular for sucking and filtering cooking fumes below the cooking surface level.

Abzugseinrichtungen zur Entfernung von Koch- und Küchendünsten sind hinlänglich bekannt, besonders in Form von Abzugshauben, die oberhalb von Herden und Kochfeldern angeordnet sind. Dabei sollen Abzugshauben in Kopfhöhe so ausgestaltet sein, dass sie dem Benutzer beim Kochen nicht in den Weg kommen. Doch je grösser die Entfernung vom Kochfeld ist, desto grösser ist auch das Risiko einer unerwünschten, teilweisen Verteilung von Kochdünsten in der Küche.Deductions for the removal of cooking and cooking fumes are well known, especially in the form of hoods, which are located above stoves and hobs. Hoods at head height should be designed so that they do not get in the way of the user when cooking. But the greater the distance from the hob, the greater the risk of unwanted, partial distribution of cooking fumes in the kitchen.

Seit einigen Jahren gelangen auch Abzugseinrichtungen zur Anwendung, bei denen Kochdünste möglichst nah am Entstehungsort abgesaugt werden, d. h. zwischen, neben, hinter oder direkt über einem Kochfeld. Sie können ortsfest oder ausziehbar in das Kochfeld integriert sein.For some years, extractor devices have also been used, in which cooking fumes are extracted as close as possible to the place of origin, d. H. between, beside, behind or directly above a hob. They can be stationary or extendable integrated into the hob.

In der DE 102007002241 A1 wird eine Vorrichtung zum Abzug von Kochdünsten in einen vertikal unterhalb der Kochfeldebene gelegenen Abluftkanal vorgeschlagen. Ein Lüftermotor der Abzugsvorrichtung kann ausserhalb eines, das Kochfeld umfassenden, Küchenmöbels angeordnet sein, z. B. im Keller eines Hauses. Eine Eintrittsöffnung der Abzugsvorrichtung ist mittels eines Drehschiebers oder eines Deckels ( DE 20 2009008286 U1 ) verschliessbar ausgestaltet. Gemäss DE 102008050723 A1 können jedem Kochfeld auch Einrichtungen zur Zufuhr von Luft als Spülmedium zugeordnet sein. Die muldenförmige Eintritts- und Verschliesseinheit kann entnehmbar und spülmaschinentauglich gestaltet sein.In the DE 102007002241 A1 a device for the withdrawal of cooking fumes in a vertically located below the cooking field level exhaust duct is proposed. A fan motor of the trigger device can be arranged outside of a, the hob comprehensive, kitchen furniture, z. B. in the basement of a house. An inlet opening of the extraction device is by means of a rotary valve or a lid ( DE 20 2009008286 U1 ) designed lockable. According to DE 102008050723 A1 each hob can also be assigned facilities for supplying air as flushing medium. The trough-shaped inlet and closing unit can be designed removable and dishwasher suitable.

Anstelle einer solchen muldenförmigen Einheit sind auch Tischlüfter, zum Beispiel gemäss EP 2653787 A2 bekannt, die vertikal aus der Arbeitsplatte resp. Kochfeldebene ausziehbar sind. Im Tischlüfter ist ein Filterelement vorgesehen.Instead of such a trough-shaped unit are also table fans, for example according to EP 2653787 A2 known, respectively vertically from the worktop resp. Cooking field level are extendable. In the table fan a filter element is provided.

Bekannt sind auch Dunstabzugsgeräte die im Abluft- oder Umluftbetrieb betätigbar sind. Gemäss DE 202013004993 U1 kann Luft eines Raumes im Abluftbetrieb in ein Dunstabzugsgerät angesaugt werden. Die Luft kann im Umluftbetrieb auch vom Abluftsystem abgekoppelt und in eine Filterbox mit mehreren Filtern, z. B. Aktivkohlefilter, geleitet werden. Die Luft wird in diesen Filtern mehrstufig gereinigt und tritt gereinigt aus der Filterbox wieder in den Raum ein.Also known are extractor devices which can be actuated in the exhaust or recirculation mode. According to DE 202013004993 U1 For example, air in a room can be sucked into an extractor unit in the exhaust air mode. The air can also be decoupled from the exhaust system in recirculation mode and placed in a filter box with several filters, eg. B. Activated carbon filter to be routed. The air is cleaned in these filters in several stages and enters the filter box cleanly in the room.

In der DE 202016003254 U1 wird weiterhin eine Abzugsvorrichtung vorgeschlagen, die eine im Kochfeld angeordnete Abzugsöffnung für Kochdünste aufweist. An die Abzugsöffnung schliesst ein Absaugschacht an, in dem ein Wasserfilter angeordnet ist, um Fettpartikel aus der abgesaugten, mit Kochdünsten angereicherten Luft abzutrennen. Hierzu ist im Wasserfilter ein Lochblech angeordnet, durch das sprudelnde Luft in den Wasserfilter geleitet wird. Mittels der Luftblasen sollen Fettpartikel und andere Partikel zur Wasseroberfläche befördert werden und einen Fettfilm bilden. Dieser Fettfilm soll in einen separaten Auffangbehälter abfliessen und kann von dort aus abgezogen werden. Anstelle des Wasserfilters kann auch ein üblicher Metall-Gestrick-Fettfilter angeordnet sein, wobei dies aber zusätzliche Massnahmen zur Geruchsunterdrückung erfordert.In the DE 202016003254 U1 Furthermore, a trigger device is proposed, which has a arranged in the hob exhaust opening for cooking fumes. To the exhaust port connects to a suction duct, in which a water filter is arranged to separate fat particles from the extracted, enriched with cooking fumes air. For this purpose, a perforated plate is arranged in the water filter, is passed through the bubbling air into the water filter. The air bubbles are used to transport fat particles and other particles to the water surface and form a greasy film. This greasy film should drain into a separate collection container and can be removed from there. Instead of the water filter, a conventional metal-knit grease filter may be arranged, but this requires additional measures for odor suppression.

Der Erfindung liegt die Aufgabe zugrunde, eine Dunstfiltereinrichtung für Kochfelder, insbesondere zum Absaugen und Filtern von Kochdünsten unterhalb der Kochfeldebene zu entwickeln, die eine effiziente Entfernung von Kochdünsten und eine einfache Reinigung von Fettfiltern ermöglicht.The invention has for its object to develop a vapor filter device for hobs, in particular for sucking and filtering cooking fumes below the cooking surface level, which allows efficient removal of cooking fumes and easy cleaning of grease filters.

Diese Aufgabe ist mit den Merkmalen des Patentanspruchs 1 gelöst. Erfindungsgemäss umfasst die Dunstfiltereinrichtung mindestens eine verschliessbare Einlassöffnung für Kochdunst in der Kochfeldebene, die einem Kochfeld räumlich nah zugeordnet ist und die mit einer Luftfördereinheit kommuniziert. Die Einlassöffnung mündet in einen Reinigungsbehälter, in dem eine, vom Kochdunst durchströmbare Fettabscheideeinheit angeordnet ist. Der Reinigungsbehälter weist zudem eine, bevorzugt verschliessbare, Auslassöffnung für entfettete Luft zur Luftfördereinheit und in seinem Bodenbereich einen Auslass für abgeschiedenes Fett und eine Reinigungsflüssigkeit auf.This object is solved with the features of claim 1. According to the invention the haze filter device comprises at least one closable inlet opening for cooking fume in the cooking field level, which is associated spatially close to a hob and which communicates with an air conveying unit. The inlet opening opens into a cleaning container, in which a, from the cooking fume durchströmbare Fettabscheideeinheit is arranged. The cleaning container also has a, preferably closable, discharge port for degreased air to the air conveyor unit and in its bottom area an outlet for separated grease and a cleaning liquid.

Erfindungsgemäss wird ein effizienter Abzug von Kochdünsten und eine Abtrennung von Fett u. a. aus den Kochdünsten erreicht, in Verbindung mit einer einfachen, wartungsfreien Reinigung des verwendeten Fettfilters.According to the invention, an efficient extraction of cooking fumes and a separation of fat, among other things from the cooking fumes is achieved, in conjunction with a simple, maintenance-free cleaning of the grease filter used.

Bevorzugte Ausgestaltungen der Erfindung sind in den abhängigen Ansprüchen offenbart.Preferred embodiments of the invention are disclosed in the dependent claims.

Ein wesentlicher Vorteil der Erfindung besteht darin, dass die Reinigung des Filters der Dunstfiltereinrichtung dahingehend wartungsfrei ist, dass eine Handhabung (Entnahme und erneutes Einsetzen) des Filters zu seiner Reinigung nicht notwendig ist. Der Filter wird in der Dunstfiltereinrichtung mittels integriertem Reinigungsmodul vom abgesetzten Fett gereinigt.An essential advantage of the invention is that the cleaning of the filter of the vapor filter device is maintenance-free to the extent that handling (removal and re-insertion) of the filter for its cleaning is not necessary. The filter is cleaned in the haze filter device by means of an integrated cleaning module from settled grease.

Die erfindungsgemässe Dunstfiltereinrichtung ist insbesondere unterhalb der Kochfeldebene anordenbar, kann aber auch in Kopf- oder Tischhauben angeordnet sein.The inventive haze filter device can be arranged in particular below the cooking surface level, but can also be arranged in head or table hoods.

Die Erfindung wird nachfolgend in einem Ausführungsbeispiel anhand einer Zeichnung näher beschrieben. In der Zeichnung zeigen die

  • Fig. 1: die erfindungsgemässe Dunstfiltereinrichtung in einer ersten Ausführungsform,
  • Fig. 2: die erfindungsgemässe Dunstfiltereinrichtung in einer zweiten Ausführungsform.
The invention will be described below in an embodiment with reference to a drawing. In the drawing show the
  • Fig. 1 : the inventive haze filter device in a first embodiment,
  • Fig. 2 : The inventive haze filter device in a second embodiment.

Die Fig. 1 zeigt eine erfindungsgemässe Dunstfiltereinrichtung, die einem Kochfeld 2 eines Küchenmöbels 1 zugeordnet ist, in einer Schnittdarstellung. Dem Kochfeld 2 ist in der Kochfeldebene räumlich nah eine Einlassöffnung 3 zugeordnet, durch die Kochdunst und Raumluft 4 (Pfeil) direkt am Kochfeld 2 angesaugt werden können. Je nach Anzahl und Anordnung der Kochfelder 2 in der Kochfeldebene können auch mehrere Einlassöffnungen 3 angeordnet sein.The Fig. 1 shows a vapor filter device according to the invention, which is associated with a hob 2 of a kitchen cabinet 1, in a sectional view. The hob 2 spatially close an inlet opening 3 is assigned in the cooking field level, can be sucked by the cooking fume and room air 4 (arrow) directly on the hob 2. Depending on the number and arrangement of the hobs 2 in the cooking field level and a plurality of inlet openings 3 may be arranged.

Die Einlassöffnung 3 ist mittels einer Verschlussklappe 5 wasserdicht verschliessbar. Die Verschlussklappe 5 kann dreh- oder schwenkbar sein, wie in der Fig. 1 beispielhaft dargestellt, oder auch als reversibel aufsetzbarer Deckel (nicht dargestellt) ausgebildet sein.The inlet opening 3 can be closed watertight by means of a closure flap 5. The shutter 5 may be rotatable or pivotable, as in the Fig. 1 exemplified, or as a reversibly attachable lid (not shown) may be formed.

Unterhalb der Einlassöffnung 3 ist ein Reinigungsbehälter 6 fest oder entnehmbar im Küchenmöbel 1 angeordnet. Die Einlassöffnung 3 mündet direkt in den Reinigungsbehälter 6, doch bei Bedarf kann noch ein Übergangsstutzen zwischen der Einlassöffnung 3 und dem Reinigungsbehälter 6 angeordnet sein.Below the inlet opening 3, a cleaning container 6 is arranged fixed or removable in the kitchen 1. The inlet opening 3 opens directly into the cleaning container 6, but if necessary, a transition piece can be arranged between the inlet opening 3 and the cleaning container 6.

Im Reinigungsbehälter 6 ist bevorzugt etwa senkrecht zum Luftstrom 4 (Kochdunst und Raumluft) eine Fettabscheideeinheit 7, zum Beispiel in Form eines flächigen Metall-Gestrick-Fettfilters oder eines Zentrifugalabscheiders, fest oder entnehmbar angeordnet, die vom Luftstrom 4 durchströmt wird. Fettpartikel u. a. werden dabei an der Fettabscheideeinheit 7 abgeschieden und der vom Fett u. a. befreite Luftstrom 4 verlässt den Reinigungsbehälter 6 durch eine Auslassöffnung 8 unterhalb der Fettabscheideeinheit 7. Die Auslassöffnung 8 ist wiederum mittels einer Klappe 9 wasserdicht verschliessbar. Die Klappe 9 kann zum Beispiel elektromechanisch betätigt und gesteuert werden.In the cleaning container 6 is preferably approximately perpendicular to the air stream 4 (cooking vapor and air) a Fettabscheideeinheit 7, for example in the form of a sheet metal knitted fabric filter or a centrifugal, fixed or removable arranged, which is flowed through by the air stream 4. Fat particles u. a. are thereby deposited on the Fettabscheideeinheit 7 and the fat u. a. Exempted air stream 4 leaves the cleaning container 6 through an outlet opening 8 below the Fettabscheideeinheit 7. The outlet opening 8 is in turn watertight closable by means of a flap 9. The flap 9 can be actuated and controlled electromechanically, for example.

An die Auslassöffnung 8 mit der Klappe 9 schliesst sich eine Luftfördereinheit 10 an. Die Luftfördereinheit 10 umfasst einen Luftförderkanal 11 zu einem Lüfter 12 mit elektrischem Antriebsmotor und mindestens eine Abluftöffnung 13 für den gereinigten Luftstrom 4. Der Abluftöffnung 13 kann eine Einheit zur weiteren Luftreinigung, zum Beispiel mittels Plasma- oder UV-Behandlung zugeordnet sein, insbesondere zur Geruchsverbesserung.At the outlet opening 8 with the flap 9, an air conveyor unit 10 connects. The air delivery unit 10 comprises an air delivery channel 11 to a fan 12 with electric drive motor and at least one exhaust port 13 for the purified air stream 4. The exhaust port 13 may be a unit for further air purification, for example by means of plasma or UV treatment, in particular for odor improvement ,

Die gereinigte Abluft kann in einem Umluftbetrieb in den Raum zurückgeführt werden oder im Abluftbetrieb der Umgebungsluft zugeführt werden.The cleaned exhaust air can be returned in a recirculation mode in the room or supplied in the exhaust air operation of the ambient air.

Im Ausführungsbeispiel ist dem Reinigungsbehälter 6 noch ein Flüssigkeitsmodul 20 (Fig. 1) zugeordnet. In diesem Flüssigkeitsmodul 20 wird eine fettlösende Reinigungsflüssigkeit 21 bereitgestellt. Diese kann nach Gebrauch wieder aufbereitet werden. Das Flüssigkeitsmodul 20 ist via Zuführleitung 23 mit dem Reinigungsbehälter 6 verbunden. Die Zuführleitung 23 wird durch eine Öffnung in den Reinigungsbehälter 6 bis zu mindestens einer Einspritzstelle 29, die oberhalb und/oder unterhalb der Fettabscheideeinheit 7 angeordnet ist, geführt. Bevorzugt sind mehrere Einspritzstellen oberhalb und unterhalb der Fettabscheideeinheit 7 und auf diese gerichtet angeordnet.In the exemplary embodiment, the cleaning container 6 is still a liquid module 20 ( Fig. 1 ). In this liquid module 20, a grease-dissolving cleaning liquid 21 is provided. This can be reprocessed after use. The liquid module 20 is connected via supply line 23 with the cleaning container 6. The supply line 23 is guided through an opening in the cleaning container 6 to at least one injection point 29, which is arranged above and / or below the Fettabscheideeinheit 7. Preferably, a plurality of injection points are arranged above and below the Fettabscheideeinheit 7 and directed to this.

Die Reinigungsflüssigkeit 21 kann ein spezifisches Reinigungsmittel sein. Bevorzugt ist es Leitungswasser und dabei kann der Flüssigkeitsbehälter 21 in nicht dargestellter Weise an einen Wasseranschluss angeschlossen sein.The cleaning liquid 21 may be a specific cleaning agent. Preferably, it is tap water and while the liquid container 21 may be connected in a manner not shown to a water connection.

Das Flüssigkeitsmodul 20 umfasst weiterhin eine Heizung 24, die einer Pumpe 25 vorgeschaltet ist, sowie eine Zugabeeinheit 26. Aus dem Flüssigkeitsbehälter 22 wird die Reinigungsflüssigkeit 21 mittels der Pumpe 25 in der Zuführleitung 23 zu einer Heizung 24 gefördert, dort auf eine optimale Wirktemperatur zur Fettlösung erwärmt und über bevorzugt mehrere Einspritzstellen 29 auf die Fettabscheideeinheit 7 gespritzt. Zusätzlich kann der Reinigungsflüssigkeit 21 durch die Zugabeeinheit 26 auch noch ein weiteres Reinigungsmittel zugesetzt werden.The liquid module 20 further comprises a heater 24, which is connected upstream of a pump 25, and an addition unit 26. From the liquid container 22, the cleaning liquid 21 is conveyed by means of the pump 25 in the supply line 23 to a heater 24, there to an optimum effective temperature for fat solution heated and sprayed on preferably several injection points 29 on the Fettabscheideeinheit 7. In addition, the cleaning liquid 21 may be added by the addition unit 26 also another detergent.

Die Abreinigung der Fettabscheideeinheit 7 erfolgt vorzugsweise bei geschlossener Einlassöffnung 3.The cleaning of the grease separating unit 7 preferably takes place with the inlet opening 3 closed.

Die fetthaltige Reinigungsflüssigkeit 21 sammelt sich im Bodenbereich 30, der unterhalb der Auslassöffnung 8 befindlich ist, des Reinigungsbehälters 6 und wird von dort durch eine Rückführleitung 28 und einen Filter 27 in den Flüssigkeitsbehälter 22 zurückgeführt, insbesondere gepumpt.The greasy cleaning liquid 21 collects in the bottom region 30, which is located below the outlet opening 8 of the cleaning tank 6 and is returned from there by a return line 28 and a filter 27 in the liquid container 22, in particular pumped.

Vereinfacht könnte das Fett auch von der Fettabscheideeinheit 7 ohne die vorbeschriebene Reinigung in den Bodenbereich 30 abtropfen und dort abgezogen werden.Simplified, the grease could also drip from the grease-separating unit 7 without the above-described cleaning into the bottom area 30 and be removed there.

Ebenso kann das Flüssigkeitsmodul 20 auch als Austauschmodul ausgestaltet sein und, eingeschlossen die Reinigungsflüssigkeit 21, von einem Servicebetrieb aufbereitet werden (Recycling).Likewise, the liquid module 20 may also be configured as an exchange module and, including the cleaning liquid 21, be processed by a service operation (recycling).

Die Zuführleitung 23 kann alternativ auch direkt an eine Geschirrspülmaschine oder dergleichen angeschlossen werden, die die Funktion des Flüssigkeitsmoduls 20 ausübt.The supply line 23 may alternatively be connected directly to a dishwasher or the like, which performs the function of the liquid module 20.

Ggf. kann gebrauchte, fetthaltige Reinigungsflüssigkeit 21 auch direkt einem, nicht dargestellten, entnehmbaren Sammelbehälter zugeführt und umweltgerecht entsorgt werden.Possibly. used, fatty cleaning fluid 21 can also be fed directly to a, not shown, removable collecting container and disposed of in an environmentally sound manner.

Es erfolgt somit eine Filtrierung von Fett aus dem beladenen Luftstrom 4 und eine Regenerierung der Fettabscheideeinheit 7 mittels Reinigungsflüssigkeit.There is thus a filtration of fat from the loaded air stream 4 and a regeneration of the Fettabscheideeinheit 7 by means of cleaning liquid.

Der Fettfilter der Fettabscheideeinheit 7 muss nicht extern ausgewaschen werden. Vielmehr erfolgt dies im eingebauten Zustand im Reinigungsbehälter 6 und der bisher übliche Wartungsaufwand entfällt.The grease filter of the grease separating unit 7 does not need to be externally washed out. Rather, this takes place in the installed state in the cleaning container 6 and the previously usual maintenance costs are eliminated.

Die Abreinigung des flächigen Fettfilters der Fettabscheideeinheit 7 erfolgt bei geschlossener Öffnung 8. Die Abreinigung kann zum Beispiel in festgelegten Intervallen oder sensorüberwacht bei einer definierten Fettbeladung auf dem Fettfilter vorgenommen werden.The cleaning of the flat fat filter of the Fettabscheideeinheit 7 takes place at the closed opening 8. The cleaning can be made, for example, at fixed intervals or sensor monitored at a defined fat loading on the grease filter.

Bei einer zweiten beispielhaften Ausführungsform der erfindungsgemässen Dunstfiltereinrichtung (Fig. 2) ist anstelle des flächigen Metall-Gestrick-Fettfilters ein trommelförmiger, drehbarer Fettfilter 40 der Fettabscheideeinheit 7 im Reinigungsbehälter 6 vorgesehen, dessen, bei Drehung, jeweils unterer Bereich 41 in ein Bad der Reinigungsflüssigkeit 21 eintaucht. Hierbei wird das anhaftende Fett ausgewaschen und mit der beladenen Reinigungsflüssigkeit 21 über die Rückführleitung 28 wie vorbeschrieben zurückgeführt. Der entfettete Luftstrom 4 wird durch eine hohle und perforierte Welle 42 (mit einer Auslassöffnung) des trommelförmigen Fettfilters nach aussen geführt, analog zur Abluftöffnung 13.In a second exemplary embodiment of the inventive haze filter device ( Fig. 2 ) a drum-shaped, rotatable grease filter 40 of the Fettabscheideeinheit 7 is provided in the cleaning container 6 instead of the flat metal-knit grease filter, which, in rotation, each lower portion 41 immersed in a bath of cleaning fluid 21. In this case, the adhering fat is washed out and returned with the loaded cleaning liquid 21 via the return line 28 as described above. The defatted air stream 4 is passed through a hollow and perforated shaft 42 (with an outlet opening) of the drum-shaped grease filter to the outside, analogous to the exhaust port 13th

Der drehbare Fettfilter 40 kann während des Betriebs, d. h. während des Fettabscheide- und Reinigungsprozesses kontinuierlich durch die Reinigungsflüssigkeit 21 befeuchtet werden. Dieser Feuchtigkeitsfilm auf der Oberfläche des Fettfilters 40 kann die Abscheidung der Fettmoleküle verbessern.The rotatable grease filter 40 may fail during operation, i. H. be continuously moistened by the cleaning fluid 21 during the Fettabscheide- and cleaning process. This moisture film on the surface of the grease filter 40 can improve the deposition of the fat molecules.

Möglich sind auch andere Formen des Fettfilters der Fettabscheideeinheit 7. Sie müssen lediglich in einem vorbeschriebenen Regenerierungsprozess mit Reinigungsflüssigkeit 21 reinigbar sein.Other forms of the grease filter of the grease separating unit 7 are also possible. They only have to be able to be cleaned with cleaning liquid 21 in a previously described regeneration process.

Auflistung der BezugszeichenList of reference numbers

11
Küchenmöbelkitchen furniture
22
Kochfeldhob
33
Einlassöffnunginlet port
44
Luftstrom (Kochdunst/Raumluft)Air flow (cooking vapor / room air)
55
Verschlussklappeflap
66
Reinigungsbehältercleaning tank
77
FettabscheideeinheitFettabscheideeinheit
88th
Auslassöffnungoutlet
99
Klappeflap
1010
LuftfördereinheitAir handling unit
1111
LuftförderkanalAir conveying duct
1212
LüfterFan
1313
Abluftöffnungexhaust vent
2020
Flüssigkeitsmodulfluid module
2121
Reinigungsflüssigkeitcleaning fluid
2222
Flüssigkeitsbehälterliquid container
2323
Zuführleitungfeed
2424
Heizungheater
2525
Pumpepump
2626
Zugabeeinheitadding unit
2727
Filterfilter
2828
RückführleitungReturn line
2929
EinspritzstelleInjection site
3030
Bodenbereichfloor area
4040
Fettfiltergrease filter
4141
BereichArea
4242
Welle (mit Auslassöffnung)Shaft (with outlet opening)

Claims (11)

Dunstfiltereinrichtung für Kochfelder, insbesondere zum Absaugen und Filtern von Kochdünsten unterhalb einer Kochfeldebene, umfassend mindestens eine verschliessbare Einlassöffnung (3) für Kochdunst in der Kochfeldebene, die einem Kochfeld (2) räumlich nah zugeordnet ist und die mit einer Luftfördereinheit (10) kommuniziert, dadurch gekennzeichnet, dass die Einlassöffnung (3) in einen Reinigungsbehälter (6) mündet, in dem eine, vom Kochdunst durchströmbare Fettabscheideeinheit (7) angeordnet ist, und dass der Reinigungsbehälter (6) eine Auslassöffnung für entfettete Luft und in einem Bodenbereich (30) einen Auslass für abgeschiedenes Fett und eine Reinigungsflüssigkeit (21) aufweist.Haze filter means for cooktops, particularly for extraction and filtering of cooking fumes below a hob level, which comprises at least one closable inlet opening (3) for cooking vapor in the cooking field level that is associated with spatially close to a cooking hob (2) and communicates with an air handling unit (10), characterized in that the inlet opening (3) opens into a cleaning container (6) in which a grease separating unit (7) through which the cooking vapor can pass is arranged, and in that the cleaning container (6) has an outlet opening for degreased air and in a bottom area (30) Has outlet for separated grease and a cleaning liquid (21). Dunstfiltereinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Fettabscheideeinheit (7) als flächiger Fettfilter oder Zentrifugalabscheider ausgebildet ist.Dust filter device according to claim 1, characterized in that the Fettabscheideeinheit (7) is designed as a flat fat filter or Zentrifugalabscheider. Dunstfiltereinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Fettabscheideeinheit (7) als trommelförmiger, drehbarer Fettfilter (40) ausgebildet ist.Haze filter device according to claim 1, characterized in that the Fettabscheideeinheit (7) is designed as a drum-shaped, rotatable grease filter (40). Dunstfiltereinrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Reinigungsbehälter (6) mit mindestens einer Einspritzstelle (29) für die Reinigungsflüssigkeit (21) versehen ist.Dust filter device according to one of claims 1 to 3, characterized in that the cleaning container (6) is provided with at least one injection point (29) for the cleaning liquid (21). Dunstfiltereinrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Auslassöffnung für entfettete Luft verschliessbar ist.Haze filter device according to one of claims 1 to 4, characterized in that the outlet opening for deflated air is closable. Dunstfiltereinrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Auslass im Bodenbereich (30) des Reinigungsbehälters (6) mit einer Rückführleitung (28) verbunden ist.Dust filter device according to one of claims 1 to 5, characterized in that the outlet in the bottom region (30) of the cleaning container (6) is connected to a return line (28). Dunstfiltereinrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass dem Reinigungsbehälter (6) ein Flüssigkeitsmodul (2) zugeordnet ist, dass über die Rückführleitung (28) und eine Zuführleitung (23) für die Reinigungsflüssigkeit (21) mit dem Reinigungsbehälter (6) verbunden ist.Dust filter device according to one of claims 1 to 6, characterized in that the cleaning container (6) is associated with a liquid module (2) that via the return line (28) and a supply line (23) for the cleaning liquid (21) with the cleaning container (6 ) connected is. Dunstfiltereinrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Zuführleitung (23) in die mindestens eine Einspritzstelle (29) mündet.Dust filter device according to one of claims 1 to 7, characterized in that the supply line (23) opens into the at least one injection point (29). Dunstfiltereinrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass das Flüssigkeitsmodul (2) mit einem Flüssigkeitsbehälter (22) versehen ist und dass in der Zuführleitung (23) eine Heizung (24) und eine Pumpe (25) für die Reinigungsflüssigkeit (21) vorgesehen sind.Dust filter device according to one of claims 1 to 8, characterized in that the liquid module (2) with a liquid container (22) is provided and that in the supply line (23) has a heater (24) and a pump (25) for the cleaning liquid (21 ) are provided. Verfahren zum Absaugen und Filtern von Kochdünsten mittels einer Dunstfiltereinrichtung, wobei die Absaugung räumlich nah zu einem Kochfeld (2) und unterhalb einer Kochfeldebene erfolgt und ein Luftstrommittels einer Luftfördereinheit (10) ausgetragen wird, dadurch gekennzeichnet, dass der mit Kochdünsten beladene Luftstrom (4) eine, in einem Reinigungsbehälter (6) angeordnete Fettabscheideeinheit (7) durchströmt und anschliessend durch eine Auslassöffnung in die Luftfördereinheit (10) strömt und das nachfolgend die Fettabscheideeinheit (7) mit einer Reinigungsflüssigkeit (6) beaufschlagt wird und Fett mit dieser Reinigungsflüssigkeit von der Fettabscheideeinheit (7) entfernt wird.Method for extracting and filtering cooking fumes by means of a haze filter device, wherein the suction takes place spatially close to a hob (2) and below a cooking surface level and an air flow means is discharged an air conveying unit (10), characterized in that the laden with cooking fumes airflow (4) a, in a cleaning container (6) arranged through the grease separating unit (7) and then flows through an outlet opening in the air conveying unit (10) and subsequently the Fettabscheideeinheit (7) is acted upon with a cleaning liquid (6) and grease with this cleaning liquid from the Fettabscheideeinheit (7) is removed. Verfahren nach Anspruch 10, dadurch gekennzeichnet, dass die mit Fett angereicherte Reinigungsflüssigkeit (21) aus dem Reinigungsbehälter (6) ausgetragen wird.A method according to claim 10, characterized in that the fat-enriched cleaning liquid (21) is discharged from the cleaning container (6).
EP18200574.4A 2017-10-19 2018-10-16 System and method for extracting and filtering of cooking fumes Active EP3473937B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01280/17A CH714258A2 (en) 2017-10-19 2017-10-19 Dust filter device for hobs, in particular for sucking and filtering cooking fumes below the cooking surface level.

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EP3473937B1 EP3473937B1 (en) 2022-01-26

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IT202000027516A1 (en) * 2020-11-17 2022-05-17 Faber Spa IMPROVED FILTER GROUP FOR EXTRACTOR HOOD
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