EP1319152B1 - Foyer - Google Patents

Foyer Download PDF

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Publication number
EP1319152B1
EP1319152B1 EP01964720A EP01964720A EP1319152B1 EP 1319152 B1 EP1319152 B1 EP 1319152B1 EP 01964720 A EP01964720 A EP 01964720A EP 01964720 A EP01964720 A EP 01964720A EP 1319152 B1 EP1319152 B1 EP 1319152B1
Authority
EP
European Patent Office
Prior art keywords
fuel
filling
space
opening
primary air
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.)
Expired - Lifetime
Application number
EP01964720A
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German (de)
English (en)
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EP1319152A1 (fr
Inventor
Friedrich Ehgartner
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Individual
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Individual
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Publication date
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Priority to AT01964720T priority Critical patent/ATE290190T1/de
Publication of EP1319152A1 publication Critical patent/EP1319152A1/fr
Application granted granted Critical
Publication of EP1319152B1 publication Critical patent/EP1319152B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B50/00—Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone
    • F23B50/12—Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone the fuel being fed to the combustion zone by free fall or by sliding along inclined surfaces, e.g. from a conveyor terminating above the fuel bed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M9/00—Baffles or deflectors for air or combustion products; Flame shields
    • F23M9/02—Baffles or deflectors for air or combustion products; Flame shields in air inlets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
    • F23K3/16—Over-feed arrangements

Definitions

  • the invention relates to a fireplace with a via a filling with Fuel fillable filling space and one with this over a supply opening connected combustion chamber, wherein in the filling chamber primary air supply openings open, which are arranged vertically offset from the supply opening upwards, wherein the Filling chamber comprises a conveying means, via which the fuel from the filling opening in the combustion chamber is recoverable.
  • Pressed fuel can be made of various basic materials, such as wood, Cardboard, paper or similar consist.
  • wood pellets are made of natural wood, which is produced from woodworking industry sawdust and sawdust. Without the addition of binders, the untreated raw material is under high pressure compacted and pelleted. The resulting cylindrical rolls have low residual moisture and a high calorific value.
  • These positive material properties can be but with conventional fireplaces very difficult to use because of the small size of the compacts the supply of oxygen to the point where the combustion takes place, is impeded. The result is one associated with poor emissions Combustion inside the fireplace.
  • US 4 517 903 A discloses a fireplace in which a fuel from a hopper by means of a screw drive and a tube slide into the combustion chamber is required. Parallel to the worm drive an air supply channel is arranged, which also connected to the tube slide. In the combustion chamber, the air supplied through the Passed fuel and then heated in a heat exchanger useful air.
  • FR 1 030 504 A discloses a hearth for coke, in which the Filling space is arranged above the combustion chamber. The primary air flows laterally of the filling space through an opening in the fireplace and then into the combustion chamber, the Air flow is split.
  • AT 395 207 B relates to a device for demand-dependent control the supply of solid fuels.
  • a hollow body installed, which is closed by means of a movable flap of the fuel, wherein the prevailing pressure in the hollow body depends on the position of the flap.
  • the Hollow body is connected to a pressure switch.
  • DE 826 950 C discloses a semi-gas firing, wherein at the transition between the gasifying fuel layer and the gas combustion space finger-like Elevations are provided, which cause a turbulence of the air flow. Further are arranged in this area outflow openings from an upper air duct.
  • the object of the invention is therefore to provide a fireplace of the aforementioned To specify type, with a good controllable combustion, especially of pressed Fuel can be made and which is very low Emission levels during combustion allows.
  • this is achieved in that at least part of the Primary air supply openings opens into the filling space such that a partial flow of the primary air - in a conventional manner - passes through the fuel into the combustion chamber and a further partial flow of the primary air to the combustion chamber located in the combustion material of is supplied below.
  • the fuel passes through the conveyor into the Combustion chamber, wherein at the same time the flowing from top to bottom primary air through the Pass fuel through to the upper part of the combustion chamber located in the glowing nest can and thereby ensures complete combustion, with always so much air is sucked in, as is needed for the combustion.
  • the Funding is formed by a sliding wall, which - seen in the use position - of the lower boundary of the filling opening in the region of the supply opening obliquely extends below and on top of which the fuel from the filling to Supply opening and into the combustion chamber to a collecting device arranged there is movable.
  • the subsidy generated in this way enables the promotion of the Fuel alone by gravity and therefore does not require any external energy for their Business.
  • the slide board can also be a pipe or a curved surface as Serve subsidies.
  • the Primary air supply openings are arranged such that the flowing into the filling space Primary air both below and above the sliding wall to the supply opening and via this into the combustion chamber.
  • the filling space is in an upper and a lower Subdivided part, so that the primary air passed over both parts of the room to the supply opening is only the top of the sliding wall but with fuel is occupied, so that at the Bottom can flow primary air without obstruction in the combustion chamber.
  • This achievable high primary air flow promotes the combustion of the combustion chamber located fuel, through the separation of the combustion chamber and filling but is only the part of the fuel that reaches the collecting device is incinerated and an immediate combustion of the entire stored material in the filling space prevented.
  • the combustion chamber and the filling space by a curved Partition are separated from each other, at its lower end to form the Supply opening is spaced from a concave curved bottom surface.
  • the combustion chamber can be upwards to taper to a slot-shaped outlet opening, via which the combustion chamber with a Combustion gases dissipating duct is connected.
  • the through the slot or nozzle-shaped outlet opening and the height-offset arrangement of replenishment opening and Fill opening achievable siphon effect allows combustion with very low Exhaust gas values.
  • a channel for the supply of primary air is provided, which at its Outlet end arranged with a in the upper part of the sliding wall Air distribution body is connected, via which the primary air to the in the above Sliding wall located part of the combustion chamber opening air supply openings and in opening the located below the sliding wall part of the combustion chamber Lunzu Technologyöfmieux is distributed.
  • a very even distribution of the primary air can in the further training of the Invention be achieved in that the air distribution body of a perforated plate is formed, which forms a bearing surface for the upper part of the sliding wall.
  • the Collecting device for the fuel from one of the bottom surface of the combustion chamber spaced burner grate with a preferably in cross-section V-shaped recess be formed.
  • the V-shaped recess prevents excessive slipping of the Fuel in the burner grate.
  • the burner grate be formed from a perforated plate and it can be the V-shaped recess of the burner grate be limited at their ends by oblique, formed from perforated plate end walls. These prevent the fuel from sliding sideways out of the burner grate.
  • the burner grate may be part of a Two-part insert form, the second part of a spacer and a handle comprises, which are releasably connectable to each other.
  • the two-part form of the insert allows a simplified production of the same.
  • the spacer on its upper side a transverse, angular bar having a support surface for the lower Part of the sliding wall forms.
  • FIG. 1 shows a fireplace formed in a tiled stove, in particular for the burning of pressed fuel 9, e.g. for pellets, which are different Raw materials, e.g. Wood, cardboard, paper od. Like. May exist. In itself, this fireplace but also e.g. in a stove or in another type of incinerator be installed.
  • pressed fuel 9 e.g. for pellets
  • Raw materials e.g. Wood, cardboard, paper od.
  • this fireplace but also e.g. in a stove or in another type of incinerator be installed.
  • a filling opening 6 which is closed by a furnace door 5 passes the pressed fuel 9 into a filling space 11, the by a curved partition 3 from Fireclay is separated from a combustion chamber 12.
  • the advantage of using Pellets can be obtained as fuel, lies in the clean and very comfortable handling, It can, for example, the pellets via a suction device or in the Filling opening reaching conveyor 50 are automatically introduced into the filling space 11 ( Figure 6).
  • a supply opening 10 Through the supply opening 10, the fuel 9 enters the combustion chamber 12 and is burned there.
  • This slot-shaped outlet opening 27 is formed by a fireclay part 1 with lateral distance supports 2, which rest on the curved partition 3.
  • the invention provides that the filling chamber 11 a Conveying means 7, via which the fuel from the filling opening 6 in the Combustion chamber 12 is conveyed. At least part of the primary air supply openings 20, 21 opens in such a way in the filling chamber 11 opens, that the supplied partial flow of the primary air through the fuel passes through into the combustion chamber 12.
  • Fig. 1 is as a conveying a - in Operating position seen - from the lower boundary of the filling opening 6 in the area the supply opening 10 obliquely downwardly extending sliding wall 7 formed on the upper side of the fuel from the filling opening 6 to the supply opening 10 and in the combustion chamber 12 is movable to a collecting device 8 arranged there, on which the Fuel 9 is burned.
  • the slide board can also be a pipe or a curved surface or a worm drive be provided as a subsidy.
  • the supply openings 20, 21 for the primary air are arranged such that the in the filling space 11 flowing primary air both below and above the sliding wall 7 to the supply opening 10 and passes through this into the combustion chamber 12.
  • secondary air supply openings 19 are provided, wherein the associated secondary air is branched off from the primary air channel 14 via a secondary air channel 200.
  • the primary air duct 14 for the supply of primary air is in the wall of the Filling chamber 11 is provided and is at its outlet end with a in the upper part of the Sliding wall 7 arranged air distribution body 13 is connected, via which the primary air on the in the above the sliding wall 7 located part of the filling space 11 opening Air supply openings 20 and located in the below the sliding wall 7 part of the Medraumes 11 opening Lunzu FoodöShonne 21 is distributed.
  • the air distribution body may be designed as desired, in which in Fig.1 shown embodiment, it is formed of a perforated plate 13. He forms at the same time a support surface for the upper part of the sliding wall. 7
  • the collecting device for the fuel is from one of the Floor surface 18 of the combustion chamber 12 spaced burner grate 8 with a preferably in Cross-section V-shaped recess 40 is formed. This V-shaped recess prevents this Sliding out of the burning fuel 9 by the pressure of the slide on the 7th slipping fuel 9.
  • the burner grate 8 is formed of a perforated plate, so that from below inflowing primary air can act directly on the fuel 9. Limited is the V-shaped Recess 40 of the burner grate 8 at their ends by oblique, also off Perforated sheet formed end walls 45, the lateral sliding out of the fuel. 9 from the burner grate 8 prevent (Fig.3, 5).
  • the burner grate 8 is part of a two-part Insert forms, the second part of a spacer 26, 27 and a handle 25th includes, which are releasably connectable to the burner grate 8.
  • the detachable connection is through an edge 41 of the burner grate 8 and by protruding angular extensions 29 of the Spacer 26, 27 formed, in which the edge 41 can be pressed.
  • a transverse, angular ledge 22 is formed, which has a support surface for the lower part of the Sliding wall 7 forms.
  • the collector can also be made of fireclay, ceramic or be formed of any other suitable material, the shape of the collecting device be arbitrary as long as they have the function of catching the one coming from above Fuel satisfied.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Solid-Fuel Combustion (AREA)

Claims (11)

  1. Lieu de combustion pourvu d'une chambre de remplissage (11) pouvant être remplie de matériau combustible par un orifice de remplissage (6) et d'une chambre de combustion (12) reliée à ce dernier au moyen d'un orifice de ravitaillement (10), des orifices d'arrivée d'air primaire (20, 21) débouchant dans la chambre de remplissage (11), lesquels sont disposés de manière décalée vers le haut par rapport à l'orifice de ravitaillement (10), la chambre de remplissage (11) comprenant un moyen de transport (7), par lequel le matériau combustible peut être transporté de l'orifice de remplissage (6) dans la chambre de combustion (12), caractérisé en ce qu'au moins une partie des orifices d'arrivée d'air primaire (20, 21) débouchent dans la chambre de remplissage (11) de manière à ce qu'un flux partiel de l'air primaire arrive de manière connue en soi dans la chambre de combustion (12) et traverse le matériau combustible et qu'un autre flux partiel de l'air primaire soit acheminé par le bas vers le matériau combustible se trouvant dans la chambre de combustion (12).
  2. Lieu de combustion selon la revendication 1, caractérisé en ce que le moyen de transport est formé par une paroi de glissement (7), qui s'étend, vu dans la position d'utilisation, de manière inclinée vers le bas à partir de la limite inférieure de l'orifice de remplissage (6) à proximité de l'orifice de ravitaillement (10) et sur le côté supérieur de laquelle le matériau de combustion peut être déplacé de l'orifice de remplissage (6) vers l'orifice de ravitaillement (10) et dans la chambre de combustion (12) vers un dispositif de réception (8) disposé à cet endroit.
  3. Lieu de combustion selon la revendication 2, caractérisé en ce que les orifices d'arrivée d'air primaire (20, 21) sont disposés de manière à ce que l'air primaire s'écoulant dans la chambre de remplissage (11) arrive aussi bien en dessous qu'au-dessus de la paroi de glissement (7) vers l'orifice de ravitaillement (10) et au-dessus de celui-ci dans la chambre de combustion (12).
  4. Lieu de combustion selon la revendication 1 ou 2, caractérisé en ce que la chambre de combustion (12) et la chambre de remplissage (11) sont séparées l'une de l'autre par une paroi de séparation courbée (3) distante d'une surface de fond (18) coudée de manière concave à son extrémité inférieure lors de la formation de l'orifice de ravitaillement (10).
  5. Lieu de combustion selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la chambre de combustion (12) converge vers le haut vers un orifice d'évacuation (27) en forme de fente, par lequel la chambre de combustion (12) est reliée à un canal évacuant les gaz d'échappement de la combustion.
  6. Lieu de combustion selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'un canal pour l'arrivée d'air primaire (14) est prévu dans la paroi de la chambre de remplissage, lequel est relié à son extrémité d'évacuation à un corps de répartition d'air (13) disposé dans la zone supérieure de la paroi de glissement (7), corps par lequel l'air primaire est réparti entre les orifices d'arrivée d'air (20) débouchant dans la partie se trouvant au-dessus de la paroi de glissement (7) de la chambre de combustion (11) et les orifices d'arrivée d'air (21) débouchant dans la partie se trouvant en dessous de la paroi de glissement (7) de la chambre de combustion (11).
  7. Lieu de combustion selon la revendication 6, caractérisé en ce que le corps de répartition de l'air est formé par une tôle perforée (13) formant une surface d'appui pour la partie supérieure de la paroi de glissement (7) .
  8. Lieu de combustion selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le dispositif de réception du matériau combustible est formé d'une grille de combustion (8) distante de la surface de fond (18) de la chambre de combustion (12) pourvue de préférence d'un renfoncement avec une section transversale en forme de V.
  9. Lieu de combustion selon la revendication 8, caractérisé en ce que la grille de combustion (8) est formée par une tôle perforée et en ce que le renfoncement en forme de V (40) de la grille de combustion (8) est limité à ses extrémités par des parois finales inclinées formées de tôle perforée.
  10. Lieu de combustion selon la revendication 8 ou 9, caractérisé en ce que la grille de combustion (8) forme une partie d'un dispositif en deux parties, dont la seconde partie comprend un écarteur (26, 27) et un levier (25) attachés de manière amovible l'un à l'autre.
  11. Lieu de combustion selon la revendication 10, caractérisé en ce que l'écarteur comporte une lisière (22) de forme angulaire et disposée transversalement formant une surface d'appui pour la partie inférieure de la paroi de glissement (7).
EP01964720A 2000-09-13 2001-09-13 Foyer Expired - Lifetime EP1319152B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT01964720T ATE290190T1 (de) 2000-09-13 2001-09-13 Feuerstätte

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT6742000U 2000-09-13
AT0067400U AT4572U1 (de) 2000-09-13 2000-09-13 Feuerstätte
PCT/AT2001/000289 WO2002023090A1 (fr) 2000-09-13 2001-09-13 Foyer

Publications (2)

Publication Number Publication Date
EP1319152A1 EP1319152A1 (fr) 2003-06-18
EP1319152B1 true EP1319152B1 (fr) 2005-03-02

Family

ID=3496820

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01964720A Expired - Lifetime EP1319152B1 (fr) 2000-09-13 2001-09-13 Foyer

Country Status (5)

Country Link
EP (1) EP1319152B1 (fr)
AT (1) AT4572U1 (fr)
AU (1) AU2001285567A1 (fr)
DE (1) DE50105483D1 (fr)
WO (1) WO2002023090A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2642198A3 (fr) * 2012-03-21 2016-06-22 Hoval Aktiengesellschaft Grille et procédé de combustion d'un matériau combustible granulaire

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT501344B1 (de) * 2005-01-18 2007-05-15 Haslmayr Johann Dipl Ing Pelletkessel
DE102011013949B4 (de) * 2011-03-14 2013-01-31 Spartherm Feuerungstechnik Gmbh Vorrichtung zum Verbrennen von festen Brennstoffen
NL1040651C2 (nl) * 2014-02-04 2015-08-06 Kees Eerenberg Energie zuinige en onderhoudsvrije automatische pellet, daarnaast ook alles brander, centrale water verwarmer, stoom kachel, energie centrale.
CN111396862B (zh) * 2020-04-22 2024-10-15 山东能源集团有限公司 一种燃烧器及炉具

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE826950C (de) * 1948-12-21 1952-01-07 Ernst W Bodendorf Halbgasfeuerung
FR1030504A (fr) * 1950-01-06 1953-06-15 Directie Staatsmijnen Nl Procédé et foyer automatique pour la combustion de coke, particulièrement de gros coke et autres combustibles analogues
US4517903A (en) * 1983-06-01 1985-05-21 Hunter Enterprises Orillia Limited Solid fuel furnace
AU660164B2 (en) * 1990-12-17 1995-06-15 Dovetech, Inc. Balanced pressure solid fuel heating unit
AT395207B (de) * 1991-04-09 1992-10-27 Sonnek Rudolf Ing Vorrichtung zur bedarfsabhaengigen regelung der zufuhr von festen brennstoffen fuer eine verbrennungsanlage
US5151000A (en) * 1991-06-24 1992-09-29 Rod Geraghty Pellet stove feeder
US5429110A (en) * 1994-09-09 1995-07-04 Tsd Industries, Inc. Mobile pellet stove with thermal barrier and ventilated firepot

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2642198A3 (fr) * 2012-03-21 2016-06-22 Hoval Aktiengesellschaft Grille et procédé de combustion d'un matériau combustible granulaire
EP3447375A1 (fr) * 2012-03-21 2019-02-27 Hoval Aktiengesellschaft Grille et procédé de combustion d'un matériau combustible granulaire

Also Published As

Publication number Publication date
WO2002023090A1 (fr) 2002-03-21
EP1319152A1 (fr) 2003-06-18
DE50105483D1 (de) 2005-04-07
AU2001285567A1 (en) 2002-03-26
AT4572U1 (de) 2001-08-27

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