EP3376113A1 - Four à biomasse - Google Patents

Four à biomasse Download PDF

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Publication number
EP3376113A1
EP3376113A1 EP18161164.1A EP18161164A EP3376113A1 EP 3376113 A1 EP3376113 A1 EP 3376113A1 EP 18161164 A EP18161164 A EP 18161164A EP 3376113 A1 EP3376113 A1 EP 3376113A1
Authority
EP
European Patent Office
Prior art keywords
combustion gas
supply air
biomass furnace
combustion
biomass
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18161164.1A
Other languages
German (de)
English (en)
Other versions
EP3376113B1 (fr
Inventor
Karl Stefan Riener
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.)
Individual
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Individual
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Publication date
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Publication of EP3376113A1 publication Critical patent/EP3376113A1/fr
Application granted granted Critical
Publication of EP3376113B1 publication Critical patent/EP3376113B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B5/00—Combustion-air or flue-gas circulation in or around stoves or ranges
    • F24B5/02—Combustion-air or flue-gas circulation in or around stoves or ranges in or around stoves
    • F24B5/028—Arrangements combining combustion-air and flue-gas circulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B80/00—Combustion apparatus characterised by means creating a distinct flow path for flue gases or for non-combusted gases given off by the fuel
    • F23B80/04—Combustion apparatus characterised by means creating a distinct flow path for flue gases or for non-combusted gases given off by the fuel by means for guiding the flow of flue gases, e.g. baffles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J11/00—Devices for conducting smoke or fumes, e.g. flues 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J13/00—Fittings for chimneys or flues 
    • F23J13/04—Joints; Connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2211/00—Flue gas duct systems
    • F23J2211/10—Balanced flues (combining air supply and flue gas exhaust)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2213/00—Chimneys or flues
    • F23J2213/20—Joints; Connections
    • F23J2213/203—Joints; Connections between stack/duct and combustion apparatus

Definitions

  • heaters so-called biomass furnaces
  • biomass as fuel
  • Such heaters have a combustion chamber, is filled in the biomass, and in which the biomass is burned.
  • the combustion chamber requires supply air from the outside.
  • the supply air or combustion air can be removed from the surrounding room air.
  • a heater is also referred to as room air dependent heater.
  • the supply air can also be supplied via, for example, a fireplace from the outside.
  • Such heaters, which do not remove their supply air from the surrounding space, are also referred to as room air independent heaters.
  • the combustion process produces combustion gases which have to be removed from the combustion chamber.
  • the combustion gas is passed through a chimney from the space in which the heater is located.
  • Fig. 5 schematically shows a heater 1 of the prior art, the room air is connected independently.
  • a chimney 2 carries both supply air and combustion gases. In a lower region of the heating device 1, this is connected via a connecting piece 3 with a supply air leading portion of the chimney pipe 2.
  • An arrow indicates that supply air is introduced into the heating device, more precisely into the combustion chamber.
  • the combustion gas In an upper region of the heating device 1, the combustion gas is passed into the corresponding region of the chimney 2 via a connecting piece 4.
  • An arrow indicates that combustion gas from the heater is directed towards the chimney in the upper nozzle.
  • the connection to the chimney should be simplified.
  • Another object is a reduction of the required installation space for the heater.
  • the present invention provides a biomass furnace according to claim 1, comprising a combustion chamber and a combustion gas collection region. Above the combustion gas collecting area a mantelpiece is arranged. The mantelpiece has on its side facing away from the combustion gas collection area side to a supply air connection and a combustion gas discharge.
  • a biomass furnace according to the invention can be designed, for example, for the combustion of logs or pellets or chips.
  • the combustion chamber may include a combustion chamber door.
  • the combustion chamber door can be used to fill in the solid biomass.
  • the combustion chamber can be cleaned via the combustion chamber door.
  • the burning process can be started via the combustion chamber door.
  • the pellet oven may include a pellet container that may be part of the biomass oven. A supply of the fuel can then be done automatically via a screw.
  • the biomass oven can also be a combination oven that can burn both pellets and firewood.
  • the combustion gas collection area may be designed as a pipe section, as a chamber or the like.
  • the combustion gas collection area may be provided with heat conducting sheets, ribs or the like so as to provide an increased area for radiating heat.
  • the combustion gas collection area may be located above the combustion chamber.
  • the combustion gas collecting region can be arranged below the combustion chamber and protrude laterally below the combustion chamber.
  • the combustion gas collecting region may be arranged laterally of the combustion chamber.
  • the combustion gas collection area may be designed as a soot separator or fly ash collector.
  • a soot separator is known from chimneys. Soot and / or ash collect in a collecting area.
  • the collecting area can be accessible through a plaster opening.
  • the combustion gas discharge and the supply air connection can be directly connected to a fireplace.
  • Fig. 1 shows purely schematically a biomass furnace 10 according to a first embodiment. Dashed an outer panel 12 of the biomass furnace 10 is indicated. The outer cover 12 can serve an aesthetic design of the biomass furnace and provide a good heat distribution.
  • the biomass furnace 10 has a combustion chamber 14 which is schematically symbolized by an illustrated flame. Above the combustion chamber 14 there is a combustion gas collecting region 16. By means of an indicated opening 18, combustion gas passes from the combustion chamber 14 into the combustion gas collecting region 16. A combustion gas guide is realized directly upwards from the combustion chamber 14 into the combustion gas collecting region 16. A mantelpiece 20 is disposed above the combustion gas collection area 16. About an indicated opening 22 of the mantelpiece 20 is connected to the combustion gas collection area 16. For the combustion gas collection area, an access door or inspection cover 24 is indicated, which may optionally allow the combustion gas collection area 16 to be cleaned and maintained. If the combustion gas collecting area is designed as a soot separator, the soot or the fly ash can be removed via an appropriately designed flap.
  • the mantelpiece 20 has on its side facing away from the combustion gas collection area 16 side a combustion gas discharge 26. Separated from this combustion gas outlet 26, the mantelpiece 20 has a supply air connection 28.
  • a supply air pipe 30 is indicated in the lower region of the combustion chamber 14.
  • the guidance of the supply air from the supply air connection 28 of the chimney attachment 20 to the supply air connection 30 is indicated by an arrow 32.
  • the supply air guide can be realized via a fixed tube which is located inside the outer cover 12. It is also conceivable to use a flexible tube, also guided within the outer lining 12. In another embodiment, the outer lining can be designed at least partially double-walled, and the supply air can be performed in this space.
  • Fig. 2a and 2 B show two similar embodiments in which the combustion gases are each guided downwards.
  • the reference numerals differ only by a nach trainses .1 for the Fig. 2b ,
  • Fig. 2a shows a biomass furnace 40 according to a second embodiment.
  • the biomass furnace 40 comprises an outer lining 42 and a combustion chamber 44, which in turn is symbolized by a flame symbol.
  • a combustion gas collection area 46 is disposed above the combustion chamber 44.
  • the combustion gas collection area 46 may, as in Fig. 2a shown, a distance to the combustion chamber 44 have.
  • the combustion gas collection region 46 may directly adjoin the combustion chamber 44, similar to FIG Fig. 1 for the first embodiment.
  • the combustion gas collection area 46 may be provided with an inspection cover 54 that allows access to the combustion gas collection area 46 to perform cleaning or maintenance.
  • the inspection cover 54 may be passed to the outer lining or through the outer lining 42.
  • the combustion gas collecting region 46 can also be designed as a soot separator, and soot or / and fly ash can be removed via the correspondingly designed inspection cover 54.
  • the combustion gas collecting region 46 is supplied with the combustion gas or the combustion gases are supplied from the combustion chamber 44.
  • the combustion gas guide is solved differently in the biomass furnace 40 according to the second embodiment than in the biomass furnace 10 according to the first embodiment.
  • the combustion gas is first discharged laterally via an indicated opening 48 and downwards, then deflected and guided upward into the combustion gas collection area 46.
  • This variant of the combustion gas guide is particularly suitable for furnaces with an additional fan to support the combustion gas flow as is common, for example, in pellet stoves.
  • the line of the combustion gas is carried down and up on the same side of the combustion chamber 44.
  • the combustion gas can also be directed down on one side of the biomass furnace and on another side back up. It is also possible to direct the combustion gases down and up in several separate channels.
  • a mantel 50 is disposed above the combustion gas collection area 46.
  • the combustion gas collection area 46 is connected to the chimney top 50 via an indicated opening 52. Combustion gases pass from the combustion gas collection region 46 into the chimney top 50 through the opening 52.
  • the chimney top 50 has a combustion gas discharge line 56 on its side remote from the combustion gas collection chamber 46. The derivative of the combustion gas is indicated by an arrow.
  • the mantel 50 also has a supply air connection 58 through which supply air to the biomass oven 40 can be performed.
  • the supply of supply air is also indicated by an arrow.
  • the combustion chamber 44 has an inlet air connection 60 in its lower region.
  • the supply air guide 62 is indicated only by an arrow.
  • the supply air guide can be realized by a fixed or by a flexible tube, which can be performed within the outer lining 42. Again, it is possible that the outer lining is at least partially double-walled running and used to guide the supply air of this gap.
  • Fig. 2b shows a biomass furnace 40.1 according to a third embodiment.
  • the biomass furnace 40.1 comprises an outer lining 42.1 and a combustion chamber 44.1, which in turn is symbolized by a flame symbol.
  • a combustion gas collecting area 46.1 is partially disposed below the combustion chamber 44.1. In another embodiment, not shown, it may also be arranged next to the combustion chamber 44.1.
  • the combustion gas collecting region 46.1 can be configured as a soot separator and soot and fly ash can be removed via a suitably designed inspection cover 54.1.
  • combustion gas is guided from an upper region of the combustion chamber 44.1 into the combustion gas collecting region 46.1 arranged at the bottom.
  • the combustion gas duct takes place on the left side of the combustion chamber. It is to be understood that the combustion gases may also be directed down another side or in several separate channels.
  • a mantelpiece 50.1 is located above the combustion gas collection area 46.1.
  • the combustion gas collecting region 46.1 is connected via an opening 52.1 to the chimney attachment 50.1.
  • the mantelpiece 50.1 is arranged on a side of the combustion chamber 44.1 outstanding area of the combustion gas collection area 46.1.
  • An air supply 62.1 is very short in this arrangement, it is virtually identical to a supply air pipe 60.1 of the combustion chamber 44.1.
  • the mantelpiece 50.1 has on its side facing away from the combustion gas collection chamber 46.1 side of a combustion gas discharge 56.1 and a supply air connection 58.1, which are directly connected to a fireplace.
  • an external chimney can be led through an opening in the outer lining 42.1 of the biomass furnace 40.1 into the biomass furnace 40.1.
  • the connection to the external chimney takes place from above inside the outer lining 42.1.
  • Fig. 3 shows a detail of a biomass furnace 70 according to another embodiment. Shown schematically is an outer panel 72, which encloses a combustion chamber, not shown, a combustion gas collection area and a mantelpiece.
  • a combustion gas discharge 76 has a substantially circular cross-section.
  • a supply air connection 78 is arranged concentrically around the combustion gas discharge 76.
  • the supply air connection 78 has a substantially annular cross-section.
  • An air supply 82 is designed as a solid tube, which is also covered with the outer panel.
  • the supply air guide 82, the supply air guide 32 in Fig. 1 and the supply air guide 62 in Fig. 2a . 2 B can correspond, is connected to the outer concentric ring 78 of the supply air connection. This allows supply air from the ring 78 to flow into the supply air guide 82.
  • the combustion gas discharge line 76 and the supply air connection 78 may be adapted in their dimensions to an external chimney, so that both the combustion gas discharge and the supply air connection can be connected to the chimney in the same place in a simple manner.
  • Fig. 4 schematically shows a biomass oven 90 with a combustion gas discharge 96 and a supply air connection 98.
  • a chimney 2 can be connected directly from above both the combustion gas discharge 96 and to the supply air connection 98.
  • the chimney next to the stove is in the embodiment according to Fig. 4 brought the chimney connection from the top of the mantelpiece, so that remains as a footprint only the base of the biomass furnace.
  • the fireplace 2 may be a double-walled fireplace with integrated supply air. Even if in Fig. 4 the exhaust gas discharge and the supply air are shown side by side, it is to be understood that in an advantageous embodiment, the combustion gas discharge and the supply air as in Fig. 3 are indicated indicated, with a central combustion gas discharge and a concentrically guided around supply air. A connection to a double-walled fireplace with integrated supply air is thus easily possible.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Solid-Fuel Combustion (AREA)
EP18161164.1A 2017-03-13 2018-03-12 Four à biomasse Active EP3376113B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202017001363.0U DE202017001363U1 (de) 2017-03-13 2017-03-13 Biomasseofen

Publications (2)

Publication Number Publication Date
EP3376113A1 true EP3376113A1 (fr) 2018-09-19
EP3376113B1 EP3376113B1 (fr) 2020-10-21

Family

ID=58545474

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18161164.1A Active EP3376113B1 (fr) 2017-03-13 2018-03-12 Four à biomasse

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EP (1) EP3376113B1 (fr)
DE (1) DE202017001363U1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2675886A1 (fr) * 1991-04-26 1992-10-30 Damon Raymond Dispositif de desenfumage de la vitre dans les cheminees a foyer ferme.
US6209535B1 (en) * 1998-03-18 2001-04-03 Thermic Investments Heating apparatus
US20070101987A1 (en) * 2000-10-31 2007-05-10 Travis Industries, Inc. Apparatuses and methods for balancing combustion air and exhaust gas for use with a direct-vent heater appliance

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3533969A1 (de) * 1985-09-24 1987-04-02 Horst F Langner Kaminaufsatz
DE20011996U1 (de) * 2000-07-11 2001-11-15 Ruhland Manfred Abgaskamin mit Ringkanal und Niederschlagssperre
DE102011117950B4 (de) * 2011-11-08 2014-09-25 Heribert Posch Primärabzug für eine Heizvorrichtung für feste Brennstoffe sowie ein Verfahren zum Erstellen eines Primärabzugs
DE202012010090U1 (de) * 2012-10-23 2012-11-28 Peter May Rauchabzugsvorrichtung für Zimmerofen
DE102013110499A1 (de) * 2013-09-23 2015-03-26 Schiedel Gmbh Anschlussfuß für ein Kaminrohr und Justierverfahren

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2675886A1 (fr) * 1991-04-26 1992-10-30 Damon Raymond Dispositif de desenfumage de la vitre dans les cheminees a foyer ferme.
US6209535B1 (en) * 1998-03-18 2001-04-03 Thermic Investments Heating apparatus
US20070101987A1 (en) * 2000-10-31 2007-05-10 Travis Industries, Inc. Apparatuses and methods for balancing combustion air and exhaust gas for use with a direct-vent heater appliance

Also Published As

Publication number Publication date
EP3376113B1 (fr) 2020-10-21
DE202017001363U1 (de) 2017-03-29

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