EP1559957B1 - Brûleur de fourneau pour l'incinération de boulettes, de copeaux de bois, de céréales et de déchets végétaux en général - Google Patents

Brûleur de fourneau pour l'incinération de boulettes, de copeaux de bois, de céréales et de déchets végétaux en général 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
German (de)
English (en)
Other versions
EP1559957A1 (fr
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
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 THERMOROSSI SpA filed Critical THERMOROSSI SpA
Publication of EP1559957A1 publication Critical patent/EP1559957A1/fr
Application granted granted Critical
Publication of EP1559957B1 publication Critical patent/EP1559957B1/fr
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. Brûleur pour fourneaux d'incinération de boulettes, copeaux de bois, céréales et déchets végétaux en général, un brasero (1) avec une grille sur laquelle le combustible (4) devant être brûlé est disposé, le brasero étant disposé dans un réservoir (6) contenant le combustible et les cendres, le combustible étant contenu dans un espace d'accumulation (5), un dispositif qui agit sur la surface du brasero et étant agencé pour nettoyer de manière continue la grille de base, ladite grille étant équipée de trous d'entrée pour l'air de combustion, le brasero étant caractérisé en ce que ledit dispositif consiste en une lame de raclage (7) agencé au-dessus et en contact avec la grille, ladite lame étant agencée avec un mouvement oscillant, mais la grille reste immobile, ladite base perforée (8) étant légèrement concave de manière à faciliter le dépôt des pièces de combustible et à augmenter la surface de contact entre le fil de raclage de la lame et ladite surface durant le mouvement angulaire de ladite lame.
  2. Brûleur, selon la revendication 1, caractérisé en ce que le réservoir qui définit le brasero est ouvert sur les deux parois latérales opposées, ce qui permet l'évacuation latérale des cendres et des autres résidus de combustion du brasero lui-même.
  3. Brûleur, selon la revendication 1 ou 2, caractérisé en ce que la lame (7) est agencée verticalement par rapport à la base (8) et est équipée d'un mouvement circulaire, pendant lequel à chaque tour complet, la lame réalise une action de raclage et par conséquent nettoie de manière continue ladite base perforée (8), sur laquelle les pièces de combustible tombent et sont déposées.
  4. Brûleur, selon la revendication 3, caractérisé en ce que chaque mouvement angulaire périodique alternatif de la lame (7) provoque un mouvement latéral des cendres, qui s'accumulent graduellement des deux côtés du réservoir (6), lesdits côtés étant ouverts pour permettre aux cendres citées précédemment de tomber librement sur un collecteur (10) situé dessous.
  5. Combinaison d'un brûleur selon une ou plusieurs des revendications précédentes, et d'une chaudière (2), dans laquelle est agencé le brûleur à l'intérieur et d'une vis d'Archimède qui fournit le combustible contenu dans l'espace d'accumulation (5).
EP05000369A 2004-01-28 2005-01-11 Brûleur de fourneau pour l'incinération de boulettes, de copeaux de bois, de céréales et de déchets végétaux en général Expired - Lifetime EP1559957B1 (fr)

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 (fr) 2005-08-03
EP1559957B1 true EP1559957B1 (fr) 2010-06-02

Family

ID=34640410

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05000369A Expired - Lifetime EP1559957B1 (fr) 2004-01-28 2005-01-11 Brûleur de fourneau pour l'incinération de boulettes, de copeaux de bois, de céréales et de déchets végétaux en général

Country Status (5)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1843091B1 (fr) * 2006-04-03 2011-03-16 Biovarme A/S (NRGI Udvikling A/S) Brûleur à combustible solide et procédé de nettoyage de la chambre de combustion
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 (fr) * 2012-03-21 2012-09-11 Bma Tech Inc. Grille et methode pour bruler un materiau combustible en fragments
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 (fr) * 2021-04-08 2026-02-11 Glery Limited Installation de conversion de déchets en énergie de production de combustible dérivé de déchets (rdf)
EP4556793A1 (fr) * 2023-11-15 2025-05-21 UNICAL AG S.p.A. Générateur de chaleur alimenté en combustibles solides

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 (fr) 1980-11-18 1982-09-15 H. Saacke Limited Fours
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 (fr) 2005-08-03
DE602005021564D1 (de) 2010-07-15
ATE470110T1 (de) 2010-06-15

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