EP1559957B1 - Ofenbrenner zur Verbrennung von Pellets, Holzspänen, Getreiden und Pflanzenabfälle im allgemeinen - Google Patents

Ofenbrenner zur Verbrennung von Pellets, Holzspänen, Getreiden und Pflanzenabfälle im allgemeinen Download PDF

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Publication number
EP1559957B1
EP1559957B1 EP05000369A EP05000369A EP1559957B1 EP 1559957 B1 EP1559957 B1 EP 1559957B1 EP 05000369 A EP05000369 A EP 05000369A EP 05000369 A EP05000369 A EP 05000369A EP 1559957 B1 EP1559957 B1 EP 1559957B1
Authority
EP
European Patent Office
Prior art keywords
burner
blade
brazier
grid
fuel
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
EP05000369A
Other languages
English (en)
French (fr)
Other versions
EP1559957A1 (de
Inventor
Fabio Rossi
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.)
THERMOROSSI SpA
Original Assignee
THERMOROSSI SpA
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Filing date
Publication date
Application filed by THERMOROSSI SpA filed Critical THERMOROSSI SpA
Publication of EP1559957A1 publication Critical patent/EP1559957A1/de
Application granted granted Critical
Publication of EP1559957B1 publication Critical patent/EP1559957B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/10—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of field or garden waste or biomasses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B1/00—Combustion apparatus using only lump fuel
    • F23B1/16—Combustion apparatus using only lump fuel the combustion apparatus being modified according to the form of grate or other fuel support
    • F23B1/26—Combustion apparatus using only lump fuel the combustion apparatus being modified according to the form of grate or other fuel support using imperforate fuel supports
    • 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
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H15/00—Cleaning arrangements for grates; Moving fuel along grates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J1/00—Removing ash, clinker, or slag from combustion chambers
    • F23J1/06—Mechanically-operated devices, e.g. clinker pushers
    • 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
    • F24B1/00—Stoves or ranges
    • F24B1/02—Closed stoves
    • F24B1/024—Closed stoves for pulverulent fuels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2205/00—Waste feed arrangements
    • F23G2205/12—Waste feed arrangements using conveyors
    • F23G2205/121—Screw conveyor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00—Specific waste
    • F23G2209/26—Biowaste
    • F23G2209/261—Woodwaste
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00—Specific waste
    • F23G2209/26—Biowaste
    • F23G2209/262—Agricultural waste

Definitions

  • the present finding concerns a burner particularly suitable for stoves fired by pellets, woodchips, cereals and vegetable waste in general.
  • the first cited document regards a burner particularly suitable for stoves fired by coal.
  • the fuel is contained in a collection space, arranged outside or directly inside the stove body, from where, through an Archimedean screw, it is taken to be gradually deposited in the burner.
  • the burner consists of a fuel collection tank, equipped with a perforated bottom through which comburent air enters into the combustion chamber.
  • the fuel collection tank is square or rectangular shaped and is equipped with vertical walls that define the brazier and have the task of containing the ashes.
  • the purpose of the present finding is that of making a burner that allows complete combustion to be obtained even using poor quality solid fuels.
  • the purpose of the finding is that of making a burner in which the through holes for the comburent air present on the base grid are never blocked.
  • a further purpose of the finding is that of making a self-cleaning burner, in which the ash and the other solid products of combustion are taken away from the brazier automatically.
  • Such purposes are obtained by foreseeing that a device acts on the plane of the brazier that continuously cleans the base grid, equipped with entry holes for the comburent air.
  • Such a device consists of a scraping blade arranged above and in contact with the grid, where said blade is moved with respect to said grid.
  • the tank that defines the brazier is open on the two opposite side walls, which allows the lateral discharge of the ashes and of the other combustion residues from the brazier itself.
  • the ashes are moved onto the two sides of the tank and, gradually accumulating, they are pushed to the two open ends of the tank, until they spontaneously fall into the ash-collection drawer below.
  • the brazier wholly indicated with reference numeral 1, arranged inside the furnace 2, is supplied, through the Archimedean screw 3, with the fuel 4, contained in the accumulation space 5.
  • the brazier 1 comprises, in addition to the tank 6 for collecting and containing the fuel and ashes, also a blade 7, arranged substantially in contact with the perforated base 8 of the grid 9 of said brazier.
  • the blade 7 is arranged vertically with respect to the base 8 and is equipped with alternative angular motion or circular motion, obtained with per se known mechanisms, for which in each step corresponding to a swinging period or to a complete turn, the blade carries out a scraping action and therefore continuously cleans the perforated base itself, onto which the pieces of fuel fall and are deposited.
  • the perforated base 8 is slightly concave so as to ease the depositing of the pieces of fuel and to increase the contact surface between the scraping wire and said surface during the angular movement of said blade.
  • each alternative periodic angular movement of the blade 7 causes a sideways movement of the ashes, which gradually accumulate on the two sides of the tank. Said sides, being open, allow these ashes to fall freely, into a collector 10 below.
  • the continuous cleaning of a known perforated grid and the spontaneous discharge of the ashes is carried out by keeping the blade 7 fixed and equipping the entire tank 6 of the brazier or just the perforated grid 9 with alternative rectilinear movement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Solid-Fuel Combustion (AREA)
  • Processing Of Solid Wastes (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Claims (5)

  1. Ofenbrenner zur Verbrennung von Pellets, Holzspänen, Getreiden und Pflanzenabfällen im allgemeinen mit einer Feuerschale (1) mit einem Rost, auf dem der zu verbrennende Brennstoff (4) angeordnet ist, wobei die Feuerschale in einem den Brennstoff und die Asche beinhaltenden Behälter (6) angeordnet ist, wobei sich der Brennstoff in einem Sammelraum (5) befindet, einer auf die Oberfläche der Feuerschale einwirkenden Vorrichtung, die so ausgebildet ist, dass sie den Bodenrost kontinuierlich reinigt, wobei der Rost mit Eingangsöffnungen für Verbrennungsluft ausgestattet ist, wobei die Feuerschale dadurch gekennzeichnet ist, dass die Vorrichtung aus einer oberhalb des Rosts angeordneten und in Kontakt zu diesem stehenden Schabklinge (7) besteht, wobei die Klinge in eine schwingende Bewegung versetzt ist während der Rost ortsfest bleibt, wobei der perforierte Boden (8) etwas konkav verläuft, um das Lagern der Brennstoffteile zu erleichtern und die Kontaktfläche zwischen dem Schabdraht der Klinge und der Oberfläche während der Drehbewegung der Klinge zu erhöhen.
  2. Brenner nach Anspruch 1, dadurch gekennzeichnet, dass der die Feuerschale definierende Behälter an zwei gegenüber liegenden Seitenwänden offen, was den seitlichen Auswurf der Asche und der sonstigen Verbrennungsrückstände aus der Feuerschale selbst ermöglicht.
  3. Brenner nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Klinge (7) im Verhältnis zum Boden (8) vertikal angeordnet ist und in eine kreisförmige Bewegung versetzt wird, bei der die Klinge bei jeder kompletten Umdrehung einen Schabvorgang ausführt und damit den perforierten Boden (8) kontinuierlich reinigt, auf welchen die Brennstoffteile fallen und gelagert werden.
  4. Brenner nach Anspruch 3, dadurch gekennzeichnet, dass jede abwechselnde periodische Drehbewegung der Klinge (7) eine Seitwärtsbewegung der Asche bewirkt, welche sich nach und nach an den beiden Seiten des Behälters (6) anhäufen, welche offen sind und so erlauben, dass die vorgenannte Asche frei auf einen darunter liegenden Sammler (10) fallen kann.
  5. Kombination eines Brenners nach einem oder mehreren der vorstehenden Ansprüche und eines Ofens (2), bei der der Brenner im Inneren angeordnet ist, und einer archimedischen Schraube, welche den im Sammelraum (5) vorhandenen Brennstoff befördert.
EP05000369A 2004-01-28 2005-01-11 Ofenbrenner zur Verbrennung von Pellets, Holzspänen, Getreiden und Pflanzenabfälle im allgemeinen Expired - Lifetime EP1559957B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000014A ITVI20040014A1 (it) 2004-01-28 2004-01-28 Bruciatore per stufe alimentari a pellets, cippato, cereali e scarti vegetali in genere
ITVI20040014 2004-01-28

Publications (2)

Publication Number Publication Date
EP1559957A1 EP1559957A1 (de) 2005-08-03
EP1559957B1 true EP1559957B1 (de) 2010-06-02

Family

ID=34640410

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05000369A Expired - Lifetime EP1559957B1 (de) 2004-01-28 2005-01-11 Ofenbrenner zur Verbrennung von Pellets, Holzspänen, Getreiden und Pflanzenabfälle im allgemeinen

Country Status (5)

Country Link
EP (1) EP1559957B1 (de)
AT (1) ATE470110T1 (de)
DE (1) DE602005021564D1 (de)
ES (1) ES2345495T3 (de)
IT (1) ITVI20040014A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1843091B1 (de) * 2006-04-03 2011-03-16 Biovarme A/S (NRGI Udvikling A/S) Festbrennstoffbrenner und Verfahren zum Reinigen der Brennkammer
ITCR20070017A1 (it) * 2007-08-03 2009-02-04 Termocabi Srl Dispositivo di allontanamento del materiale residuo agglomerato derivante dalla combustione di pellet o combustibile solido in genere
IT1393286B1 (it) * 2009-03-06 2012-04-12 Thermorossi Spa Bruciatore per stufa alimentata con combustibili solidi
CA2771112C (en) * 2012-03-21 2012-09-11 Bma Tech Inc. Grate and method of burning a granular fuel material
ES2575121B1 (es) * 2014-12-23 2017-04-11 Efilume, S.L. Quemador autolimpiable
PL231251B1 (pl) 2015-03-11 2019-02-28 Janczyk Leszek Palnik zgazowanego biopaliwa, zwłaszcza pelletu drzewnego
ITUB20160918A1 (it) * 2016-02-22 2017-08-22 Thermorossi Spa Bruciatore per apparecchi riscaldanti a combustibile solido
IT201900025156A1 (it) * 2019-12-20 2021-06-20 Thermorossi Spa Braciere per stufe alimentate a combustibile solido
IT202000026789A1 (it) 2020-11-10 2022-05-10 Ungaro Srl Stufa a biomassa a combustibile solido
EP4320383B1 (de) * 2021-04-08 2026-02-11 Glery Limited Abfall aus abfallbrennstoff (rdf) für ein energiekraftwerk
EP4556793A1 (de) * 2023-11-15 2025-05-21 UNICAL AG S.p.A. Mit festen brennstoffen betriebener wärmeerzeuger

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1142984B (de) 1951-09-11 1963-01-31 Andre Georges Vandevelde Feuerung fuer durch Schwerkraft aus einem Fuelltrichter zugefuehrte feste Brennstoffe
EP0052499A3 (de) 1980-11-18 1982-09-15 H. Saacke Limited Brennöfen
AT383664B (de) 1984-09-17 1987-08-10 Kainer Ernst Vorofenverbrennungsanlage zur verbrennung festen brenngutes mit hohem aschenanteil
DK46091D0 (da) * 1991-03-15 1991-03-15 Uffe Pedersen Bioenergibraender med tilbehoer
US5617841A (en) * 1991-08-14 1997-04-08 Pyro Industries, Inc. Grate with self ignitor for burning pellet fuel
US5133266A (en) * 1991-10-17 1992-07-28 Mountain Home Development Company Pellet burning heating device
US5893358A (en) * 1997-11-04 1999-04-13 Pyro Industries, Inc. Pellet fuel burner for heating and drying systems

Also Published As

Publication number Publication date
ITVI20040014A1 (it) 2004-04-28
ES2345495T3 (es) 2010-09-24
EP1559957A1 (de) 2005-08-03
DE602005021564D1 (de) 2010-07-15
ATE470110T1 (de) 2010-06-15

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