EP1967273A2 - Electrofiltre pour une petite installation d'allumage - Google Patents

Electrofiltre pour une petite installation d'allumage Download PDF

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Publication number
EP1967273A2
EP1967273A2 EP08405055A EP08405055A EP1967273A2 EP 1967273 A2 EP1967273 A2 EP 1967273A2 EP 08405055 A EP08405055 A EP 08405055A EP 08405055 A EP08405055 A EP 08405055A EP 1967273 A2 EP1967273 A2 EP 1967273A2
Authority
EP
European Patent Office
Prior art keywords
filter
electrostatic
housing
exhaust
electrostatic precipitator
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.)
Withdrawn
Application number
EP08405055A
Other languages
German (de)
English (en)
Other versions
EP1967273A3 (fr
Inventor
Volker Schmatloch
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.)
Schmatloch Nueckel Technologietransfer
Original Assignee
Schmatloch Nueckel Technologietransfer
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 Schmatloch Nueckel Technologietransfer filed Critical Schmatloch Nueckel Technologietransfer
Publication of EP1967273A2 publication Critical patent/EP1967273A2/fr
Publication of EP1967273A3 publication Critical patent/EP1967273A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02—Plant or installations having external electricity supply
    • B03C3/025—Combinations of electrostatic separators, e.g. in parallel or in series, stacked separators or dry-wet separator combinations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02—Plant or installations having external electricity supply
    • B03C3/04—Plant or installations having external electricity supply dry type
    • B03C3/06—Plant or installations having external electricity supply dry type characterised by presence of stationary tube electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02—Plant or installations having external electricity supply
    • B03C3/04—Plant or installations having external electricity supply dry type
    • B03C3/12—Plant or installations having external electricity supply dry type characterised by separation of ionising and collecting stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/40—Electrode constructions
    • B03C3/45—Collecting-electrodes
    • B03C3/49—Collecting-electrodes tubular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/04—Ionising electrode being a wire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/06—Ionising electrode being a needle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/10—Ionising electrode with two or more serrated ends or sides

Definitions

  • the invention relates to an electrostatic precipitator for a small combustion plant.
  • Small combustion plants can be found, for example, in private households and in businesses and usually have a capacity of up to 70 kW.
  • Small firing systems include chimney systems, single room firing systems, fireplace ovens, tiled stoves, wood stoves, cookers, ovens and boilers fired with wood, straw or other regenerative fuel, or with coal, oil or gas.
  • the solid and liquid particles present in the flue gas stream are electrostatically charged in the electrostatic precipitator with the aid of a filter electrode, deflected in an electric field generated by the electrostatic precipitator and deposited on a separating surface provided for this purpose. With the help of such an electrostatic precipitator dust particles and aerosols with particle sizes of 0.01 to 60 microns can be deposited.
  • the electrostatic precipitator has a filter electrode and an electrode holder for holding and supplying voltage to the filter electrode in the exhaust passage.
  • An object of the invention is to provide an electrostatic precipitator for a small combustion plant, in which the degree of separation is optimized.
  • the electrostatic filter according to the invention can be operated at a lower high voltage than the electrostatic precipitators known from the prior art.
  • the lower high voltage increases the operational safety, increases the operating time and extends the maintenance intervals.
  • the electrostatic precipitator according to the invention for a small combustion plant comprises a plurality of filter electrodes and a plurality of exhaust gas channels, wherein a respective filter electrode is arranged in the exhaust gas ducts.
  • a housing is provided in which the exhaust gas channels are arranged.
  • the electrostatic precipitator forms a compact unit, a module or an insert that can be quickly and easily placed on the small furnace.
  • the cost of mounting the electrostatic precipitator is kept small.
  • this solution has the advantage that the electrostatic precipitator can be installed as a retrofit quickly, easily and easily on site on an existing small combustion system.
  • one end of the filter electrode is pointed. As a result, the number of electrical charge carriers sprayed by the filter electrode can be increased.
  • the first end of the filter electrode projects out of the exhaust gas duct.
  • an electrode holder is provided in the electrostatic filter according to the invention, which has a high voltage line, wherein the filter electrodes are connected to the high voltage line.
  • the filter electrodes can be supplied with a single high voltage line. The cost of materials is minimized.
  • the filter electrodes can be combined to form a module and mounted or replaced as an assembly.
  • the electrode holder extends over the length of the exhaust gas channel.
  • the filter electrodes can be arranged on the inlet sides of the exhaust ducts and the electrode support can be fixed on the outlet side of the exhaust ducts on the filter housing.
  • the electrode holder may be attached to a location on the filter housing, where the exhaust gas temperature is lower than in the region of the filter electrodes.
  • the attachment of the electrode holder takes place on the filter housing.
  • the electrical connection of the electrostatic filter is also located on the filter housing. Since in this case the electrical connection is part of the electrostatic precipitator, nothing has to be provided for this at the firing plant and an existing firing system does not have to be rebuilt.
  • the filter electrodes are connected by means of a releasable coupling with the electrode holder. This allows the filter electrodes to be easily removed from the electrode holder during maintenance operations.
  • the exhaust ducts are arranged parallel to each other in the electrostatic filter according to the invention. This can save space. In addition, such a constructed electrostatic filter is easy to produce.
  • the exhaust gas channels are U-shaped. As a result, the effort in the production of the electrostatic precipitator can be reduced.
  • this can be further improved by arranging filter electrodes both on the inlet side and on the outlet side of the exhaust gas ducts.
  • the exhaust gas channels are sealed off from the interior of the housing.
  • the interior of the housing may contain a medium for heat transfer, for example a liquid or air.
  • a medium for heat transfer for example a liquid or air.
  • the housing has an inlet and an outlet for the medium for heat transfer.
  • cool medium can be introduced into the housing and the medium heated on the walls of the exhaust ducts can be drained from the housing again and used, for example, to heat a living space.
  • a disk-shaped insulation can be provided, which is arranged on the electrode holder.
  • FIG. 1 is a first possible embodiment of the electrostatic precipitator according to the invention for small combustion systems in plan view shown in section.
  • FIG. 2 the first embodiment of the electrostatic filter according to the invention is shown in section in the side view.
  • a housing 1 In a housing 1, four tubes 2, 3, 4 and 5 are arranged, which form the walls of the exhaust channels 9.1, 9.2, 9.3 and 9.4.
  • an electrode holder 8 In the center of the housing 1 is another tube 6, in which an electrode holder 8 is provided.
  • the electrode holder 8 protrudes down out of the tube 6 and carries with the help of four retaining arms 11.1, 11.2, 11.3 and 11.4 each have a filter electrode 12.1, 12.2, 12.3 and 12.4.
  • the holding arms 11.1 to 11.4 are designed so that they hold the filter electrodes 12.1 to 12.4 and the guide sleeves 13.1 to 13.4 for the filter electrodes 12.1 to 12.4 substantially in the center of the exhaust channels 9.1 to 9.4 in the axial direction.
  • the filter electrodes 12.1 to 12.4 which are supplied via the electrode holder 8 with high voltage, the particles in the exhaust gas are charged electrostatically. Since the housing 1 and the tubes 2, 3, 4 and 5 are grounded, forms an electric field between the electrode 12.1 and the tube 2, which causes the electrostatically charged particles are deposited on the inside of the tube 2. The same applies mutatis mutandis to the electrode 12.2 and the tube 3, the electrode 12.3 and the tube 4 and the electrode 12.4 and the pipe fifth
  • the second ends 14.1 to 14.4 of the filter electrodes 12.1 to 12.4 are located outside of the exhaust gas channels 9.1 to 9.4.
  • the electrode holder 8 has in the interior a high voltage line 10, which serves as a voltage supply for the individual filter electrodes 12.1 to 12.4 and whose end 14.5 may be formed as a further filter electrode.
  • the ends 14.1 to 14.5 of the filter electrodes are preferably pointed. As a result, the number of charge carriers sprayed by the electrodes can be increased.
  • the filter electrodes 12.1 to 12.5 can also be made of very thin wire or have sharp edges and burrs.
  • the arranged in the tube 6 filter electrode holder 8 is connected via a releasable coupling 27 with a support arm 28.
  • the clutch 27 has a retractable closure and has a funnel-shaped guide to facilitate insertion of the filter electrode holder 8 into the coupling.
  • RenkverInstitutes also a bayonet lock or a releasable snap connection can be provided.
  • the holding arm 28 is formed as an insulator and leads in its interior a high voltage line, which is led out of the housing 1 and at the end has an electrical connection 28.1. Via the connection 28.1 are the filter electrodes 12.1 to 12.4 with a in the figures connectable not shown high voltage source.
  • the holding arm 28 is fastened to the housing 1 via a multi-stage insulator 29, 30.
  • the support arm 28 may additionally be provided a plate or disc-shaped insulator, as in the publication DE 10 2006 003 028 described, may be formed.
  • the tubes 2, 3, 4, 5 and 6 are sealed relative to the interior 17 of the housing 1. This can be done, for example, that the tubes 2 to 6 on the input side to the housing bottom 1.1 and the output side are welded to the housing cover 1.2.
  • the housing 1 has a connection 18, via which a heat exchange medium can be conducted into the interior 17 of the housing 1. Via a connection 22, the heat exchanger medium again comes out of the housing 1. Water can be used as the heat exchange medium.
  • the heat exchanger medium heats up and can be removed again from the housing interior 17 via the connection 22, which is also referred to as the supply line VL.
  • the port 18 is also referred to as return RL.
  • the heat exchange medium is passed through a pipe 19 into the interior 17 at a location that is as far away from the supply VL as possible.
  • a coiled line 21 is additionally provided, in which also a heat exchange medium out becomes. Via a connection 20, the heat exchanger medium is introduced into the line 21 and removed again via a connection 23.
  • the line 21 forms a safety heat exchanger and is part of a safety circuit, which ensures that the entire system does not overheat and damage in case of failure.
  • FIG. 3 shows a possible embodiment of a firing plant with the electrostatic precipitator according to the invention arranged above it.
  • the exhaust gas produced in the combustion chamber 31 of the furnace is passed through a hood 32 to the electrostatic filter according to the invention and cleaned there.
  • the exhaust gas heat energy is withdrawn in order to use this as heating energy for example, a living room.
  • the electrostatic filter is accessible from the combustion chamber 31. This allows the electrostatic precipitator to be easily cleaned without polluting the environment.
  • the particles which have been deposited on the walls of the exhaust ducts 9.1 to 9.4 fall into the combustion chamber 31 during the cleaning of the electrostatic precipitator.
  • FIG. 4 a second possible embodiment of the electrostatic filter according to the invention is shown in plan view.
  • the electrostatic precipitator can, as described above, also have a heat exchanger, which in the FIG. 4 but not shown for clarity.
  • the second embodiment of the electrostatic filter differs substantially from the first embodiment in that a total of seven circular exhaust ducts 9.1 to 9.7 are provided, which are arranged in a circle.
  • the housing bottom 1.1 ' has corresponding bores 33.1 to 33.7, which are the inlet openings for the exhaust gas channels 9.1 to 9.7 form. Basically, the two embodiments do not differ in their operation.
  • FIG. 5 a third possible embodiment of the electrostatic filter according to the invention is shown in plan view. Compared to the two previous embodiments, the embodiment differs according to FIG. 5 in that a total of nine exhaust ducts 9.1 to 9.9 are provided which have a square or rectangular cross-section.
  • the housing bottom 1.1 "has corresponding openings for this, which serve as inlet openings for the exhaust gas channels 9.1 to 9.9.
  • the functional principle of the in FIG. 5 shown electrostatic filter is referred to the above description.
  • FIG. 6 is another possible embodiment of a furnace in the side view shown.
  • FIG. 7 This firing system is shown in frontal view.
  • the combustion chamber 31 Above the combustion chamber 31 is the electrostatic precipitator according to the invention.
  • the particulate exhaust gas produced in the combustion chamber 31 is passed through an exhaust passage 35 to the electrostatic filter according to the invention, is guided through the exhaust channels 9.1 - 9.8 and thereby freed from the particles.
  • the thus purified exhaust gas exits from the exhaust pipe 36 and can be supplied to a chimney, not shown in the figures.
  • the lower exhaust gas passages 9.5 - 9.8 flows through the exhaust gas in a first direction and the upper exhaust ducts 9.1 to 9.4 in the opposite direction.
  • FIG. 8 the embodiment of the inventive electrostatic filter just described is shown in frontal view.
  • FIG. 9 shows this embodiment of the electrostatic filter in the side view in section.
  • FIG. 10 shows this embodiment of the electrostatic filter in plan view in section.
  • the electrode holder does not extend over the entire length of the exhaust channels 9.1 - 9.8.
  • the filter electrodes 12.1-12.8 are introduced into the exhaust gas channels 9.1 to 9.8 from the openings of the exhaust gas ducts closest to the electrode holder 29.
  • FIG. 11 is a further embodiment of the electrostatic precipitator according to the invention with heat exchanger in the side view shown in section.
  • the essay shown comprises the article according to FIG. 11 a flap 37, with which a part of the exhaust channels 9.1 to 9.4 can be closed.
  • the flap 37 can be closed when starting to increase the train in the fireplace. If the chimney has reached a sufficient temperature, the flap 37 can be opened.
  • an electrical switch for switching on and off of the electrostatic filter can be coupled. So as soon as the flap 37 is folded, the switch for the control of the electrostatic filter is automatically actuated.
  • the electrostatic filter according to the invention can be operated at a lower high voltage than the electrostatic precipitators known from the prior art. Due to the lower high voltage, electrically conductive particles no longer deposit on the insulator 13, 11, 8, 27, 28, 30, 29 as quickly. It takes longer until a parasitic conductive layer forms on the insulator and until leakage currents flow from the filter electrodes 12.1 to 12.8 via the insulator 13, 11, 8, 27, 28, 30, 29 to the housing 1. The lower high voltage increases the service life and extends maintenance intervals.

Landscapes

  • Electrostatic Separation (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
EP08405055.8A 2007-03-05 2008-02-22 Electrofiltre pour une petite installation d'allumage Withdrawn EP1967273A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710010973 DE102007010973B4 (de) 2007-03-05 2007-03-05 Elektrofilter für eine Kleinfeuerungsanlage

Publications (2)

Publication Number Publication Date
EP1967273A2 true EP1967273A2 (fr) 2008-09-10
EP1967273A3 EP1967273A3 (fr) 2013-10-16

Family

ID=39381910

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08405055.8A Withdrawn EP1967273A3 (fr) 2007-03-05 2008-02-22 Electrofiltre pour une petite installation d'allumage

Country Status (2)

Country Link
EP (1) EP1967273A3 (fr)
DE (1) DE102007010973B4 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3705185A1 (fr) * 2019-03-07 2020-09-09 Karlsruher Institut für Technologie Séparateur électrostatique pour la purification de gaz de fumée
DE102020133670A1 (de) 2020-12-16 2022-06-23 Karlsruher Institut für Technologie Elektrostatischer Abscheider für die Reinigung und Desinfektion von Gasen
US11635231B2 (en) 2019-09-03 2023-04-25 Sl-Technik Gmbh Rotating grate with a cleaning device for a biomass heating system
WO2023117337A1 (fr) * 2021-12-20 2023-06-29 BSH Hausgeräte GmbH Appareil de cuisson doté d'un carneau

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009015654U1 (de) 2009-04-02 2010-07-01 Georg Hipp Maschinenbau Gmbh Elektrofilter für den Einbau in Kamine für Heizungsanlagen und/oder Kaminöfen und/oder Abluftkanäle für Entstaubungsanlagen oder Abzugsanlagen
DE102009044152A1 (de) 2009-04-02 2010-10-14 Georg Hipp Maschinenbau Gmbh Elektrofilter für den Einbau in Kamine für Heizanlagen und/oder für Kaminöfen und/oder in Abluftkanäle für Entstaubungsanlagen oder Abzugsanlagen
DE102009030803A1 (de) * 2009-06-27 2011-01-05 Karlsruher Institut für Technologie Elektrostatischer Abscheider zur Rauchgasreinigung mit einem elektrischen Sperrfeld
CN101934184B (zh) * 2009-06-30 2013-06-26 青岛海氧益百实业有限公司 呼吸系统过敏源控制装置
DE202010005629U1 (de) 2010-06-11 2010-11-04 Hipp, Thomas Abgasreinigungsanordnung und Abluftreinigungsanordnung mit integriertem Elektrofilter für Heizungsanlagen und/oder für Kaminöfen und/oder Abluftkanäle für Entstaubungsanlagen oder Abzugsanlagen
CN112316642B (zh) * 2020-10-30 2023-06-02 广东亚镭机电工程有限公司 除尘系统

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DE3324803A1 (de) * 1983-07-09 1985-01-17 Betriebsforschungsinstitut VDEh - Institut für angewandte Forschung GmbH, 4000 Düsseldorf Staubabscheidegeraet
JPS62254852A (ja) * 1986-04-30 1987-11-06 Matsushita Seiko Co Ltd 空気清浄機
DE3915639C1 (fr) * 1989-05-12 1991-01-24 Boehler Abfall-Abluft-Abwasser-Umweltschutz Ges.M.B.H., Feldkirch, At
JP2698804B2 (ja) * 1995-10-24 1998-01-19 株式会社オーデン 電気的制御によるディーゼルエンジンの排気微粒子捕集装置
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US6238459B1 (en) * 1999-04-23 2001-05-29 The Babcock & Wilcox Company Ultra-high particulate collection of sub-micron aerosols
AT408846B (de) * 1999-05-03 2002-03-25 Forsthuber Paul Röhrenelektrofilter
CH694645A5 (de) * 2003-12-01 2005-05-13 Empa Vorrichtung zur elektrostatischen Partikelabscheidung in Gasströmen.
DE102006003028B4 (de) 2006-01-20 2008-02-07 Schmatloch Nückel Technologietransfer Elektrofilter mit Selbstreinigungseinrichtung für eine Feuerungsanlage und Verfahren zum Betreiben des Elektrofilters

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3705185A1 (fr) * 2019-03-07 2020-09-09 Karlsruher Institut für Technologie Séparateur électrostatique pour la purification de gaz de fumée
US11635231B2 (en) 2019-09-03 2023-04-25 Sl-Technik Gmbh Rotating grate with a cleaning device for a biomass heating system
US11708999B2 (en) 2019-09-03 2023-07-25 Sl-Technik Gmbh Biomass heating system with optimized flue gas treatment
DE102020133670A1 (de) 2020-12-16 2022-06-23 Karlsruher Institut für Technologie Elektrostatischer Abscheider für die Reinigung und Desinfektion von Gasen
WO2023117337A1 (fr) * 2021-12-20 2023-06-29 BSH Hausgeräte GmbH Appareil de cuisson doté d'un carneau

Also Published As

Publication number Publication date
EP1967273A3 (fr) 2013-10-16
DE102007010973B4 (de) 2008-10-16
DE102007010973A1 (de) 2008-09-11

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