EP1427963B1 - Dispositif de combustion - Google Patents

Dispositif de combustion Download PDF

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Publication number
EP1427963B1
EP1427963B1 EP02753106A EP02753106A EP1427963B1 EP 1427963 B1 EP1427963 B1 EP 1427963B1 EP 02753106 A EP02753106 A EP 02753106A EP 02753106 A EP02753106 A EP 02753106A EP 1427963 B1 EP1427963 B1 EP 1427963B1
Authority
EP
European Patent Office
Prior art keywords
component
holes
burning device
barrel
pellets
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
EP02753106A
Other languages
German (de)
English (en)
Other versions
EP1427963A1 (fr
Inventor
Onni Ilmari HYTÖNEN
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.)
Pieti Pauli
Original Assignee
Pieti Pauli
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 Pieti Pauli filed Critical Pieti Pauli
Publication of EP1427963A1 publication Critical patent/EP1427963A1/fr
Application granted granted Critical
Publication of EP1427963B1 publication Critical patent/EP1427963B1/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
    • F23G7/105—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of field or garden waste or biomasses of wood waste
    • 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
    • F23B1/30—Combustion apparatus using only lump fuel characterised by the form of combustion chamber
    • F23B1/38—Combustion apparatus using only lump fuel characterised by the form of combustion chamber for combustion of peat, sawdust, or pulverulent fuel on a grate or other fuel support
    • 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
    • F23G2203/00—Furnace arrangements
    • F23G2203/40—Stationary bed furnace
    • F23G2203/403—Stationary bed furnace with substantial cylindrical combustion chamber

Definitions

  • the present invention relates to a burning device and particularly to a burning device, by means of which it is possible to burn particularly wood pellets.
  • a burning device is known from document WO-A-9 921 465.
  • wood pellets are burned in relatively large amounts, as they have a high thermal value and are easy to use.
  • a pellet is a particle form of wooden raw material, which has been compressed mechanically to a specific hardness and to specific dimensions. Pellets are burned in many types of furnace and boiler plant, often, however, in unsatisfactory conditions, in that even combustion and optimal combustion conditions are seldom achieved.
  • pellets are burned in equipment incorporating fans, feeder devices, and similar, the plant easily becomes very expensive and complex, and is completely unsuitable for small-scale operation, such as in a conventional furnace, or, for instance, without a furnace. In such applications, the drawbacks of combustion in non-optimal conditions are aggravated.
  • the present invention is intended to create a burning device, which is particularly suitable for burning wood pellets and which can be used together with conventional furnaces, or to achieve powerful combustion and at least nearly optimal conditions in all situations in which use of the burning device according to the invention can be envisaged.
  • the device according to the invention is formed simply of two cylinders, referred to in the following as the upper cylinder 2 and the lower cylinder 4, set inside each other and able to move telescopically in relation to each other.
  • the upper cylinder 2 has a slightly smaller diameter than the lower cylinder 4, it is the inner cylinder.
  • the cylinders are mainly circular in cross-section, this is in no way essential, circular cylinders having, however, obvious advantages in this construction.
  • the lower cylinder 4 is of perforated sheet metal, or in any event of fire-resistant material.
  • the upper cylinder 2 has holes only in the lower part of its jacket surface, which is otherwise not perforated.
  • the holes in the lower part of the upper cylinder 2 are clearly larger than the holes in the lower cylinder.
  • the upper cylinder too is of a fire-resistant material.
  • the perforation is intended to permit air to flow into the inner space of the cylinders and to direct the airflow precisely to the combustion surface.
  • the lower cylinder 4 is preferably equipped with a grate 5, which is supported by suitable retainers, for example the stud-like protrusions 6 shown in the figure, in a position raised slightly above the bottom of the lower cylinder.
  • suitable retainers for example the stud-like protrusions 6 shown in the figure.
  • the grate 5 is also perforated, so that ash forming in combustion can flow through the holes into the space below the grate 5.
  • the wood pellets are marked with the reference number 7.
  • the device is made ready for use and operated as follows.
  • the lower cylinder 4 is filled suitably with wood pellets 7, for example, until it is nearly full.
  • the grate 5 is preferably attached to form the bottom of the cylinder 4.
  • the upper cylinder 2 is placed inside the lower cylinder 4. In the figure, the upper cylinder 2 does not extend very far inside the lower cylinder 4, because combustion is only just starting.
  • the lower edge of the upper cylinder rests on top of the pellets.
  • the lower edge can, if desired, include some type of flange, but good operation usually does not require this.
  • the cylinders are perforated in such way that open holes, through which combustion air enters, always run through the overlapping parts of the cylinders, the airflow being shown with the arrow 3.
  • the pellets are suitable ignited on the surface, for example, using a convenient lighter fluid, which creates even ignition over the whole area. Because a certain chimney-effect is created in the device, the combustion feeds a good airflow which in turn supports excellent combustion. As combustion progresses, and the upper edge of the charge of pellets drops, the upper cylinder, which rests on the edge, also automatically drops, so that the combustion front lowers automatically and evenly, the conditions of the actual combustion event remaining essentially unchanged.
  • the device according to the invention can be used, for example, inside a furnace, instead of the furnace being fired with split firewood or similar.
  • the device can be used placed directly on a conventional grate, or by using a suitable grate equipped with a recess.
  • the device according to the invention is also suitable for use as a camping-cooker type heat source, because as the device's dimensions are in no way restricted, it can be manufactured in either a very small size, or if desired, in a quite large size. Outdoors, it can be used as a 'lumberjack's candle' type of light source, for example, to decorate a party area.

Landscapes

  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Solid-Fuel Combustion (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Fuel Cell (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Telephone Function (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)

Claims (8)

  1. Dispositif de combustion, particulièrement pour brûler desdits granulés, incluant un composant du type tonneau (4) dans lequel on met les granulés ou un combustible similaire, caractérisé en ce que celui-ci comprend également un second composant en forme de tonneau sans fond et sans couvercle (2) adapté à l'intérieur du premier composant du type tonneau (4) et qui est soutenu à l'usage par la surface supérieure des granulés (7), de sorte qu'aussi bien le composant du type tonneau (4) que le second composant du type tonneau (2) aient toujours des perforations ouvertes sur les parties chevauchées des tonneaux.
  2. Dispositif de combustion selon la revendication 1, caractérisé en ce que les composants (2, 4) sont cylindriques et s'emboîtent de manière télescopique.
  3. Dispositif de combustion selon la revendication 1 ou 2, caractérisé en ce que le composant inférieur (4) a un composant foyer perforé (5) dans une position surélevée au dessus du bord inférieur du composant (4).
  4. Dispositif de combustion selon la revendication 1, caractérisé en ce que l'ensemble de la surface de la chemise du composant (4) est essentiellement perforée, mais que le composant (2) a des perforations seulement à la proximité de son bord inférieur.
  5. Dispositif de combustion selon la revendication 1, caractérisé en ce que les perforations sur les surfaces des chemises des composants (2, 4) sont d'un type et d'une densité tels qu'il reste toujours des perforations ouvertes près de la surface supérieure de la charge en granulés laissant l'air de combustion (3) entrer dans le dispositif.
  6. Dispositif de combustion selon la revendication 5, caractérisé en ce que les perforations dans le composant supérieur (2) sont essentiellement plus grandes que celles du composant inférieur (4).
  7. Dispositif de combustion selon l'une quelconque des revendications ci-dessus, caractérisé en ce que sa coupe transversale est un cylindre circulaire.
  8. Dispositif de combustion selon l'une quelconque des revendications ci-dessus, caractérisé en ce que ses composants (2, 4) sont fabriqués à partir d'une feuille de métal.
EP02753106A 2001-08-22 2002-08-21 Dispositif de combustion Expired - Lifetime EP1427963B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20011684A FI109723B (fi) 2001-08-22 2001-08-22 Polttoväline
FI20011684 2001-08-22
PCT/FI2002/000685 WO2003019077A1 (fr) 2001-08-22 2002-08-21 Dispositif de combustion

Publications (2)

Publication Number Publication Date
EP1427963A1 EP1427963A1 (fr) 2004-06-16
EP1427963B1 true EP1427963B1 (fr) 2006-10-18

Family

ID=8561774

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02753106A Expired - Lifetime EP1427963B1 (fr) 2001-08-22 2002-08-21 Dispositif de combustion

Country Status (6)

Country Link
EP (1) EP1427963B1 (fr)
AT (1) ATE343097T1 (fr)
DE (1) DE60215527T2 (fr)
DK (1) DK1427963T3 (fr)
FI (1) FI109723B (fr)
WO (1) WO2003019077A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI123850B (fi) 2007-04-05 2013-11-15 Pauli Pieti Rosti
US10859259B2 (en) 2018-10-17 2020-12-08 Logan Outdoor Products, Llc Burner housing for a pellet grill
EP4227580A1 (fr) 2022-02-09 2023-08-16 Pauli Pieti Foyer prévu pour des combustibles solides avec dispositif multi-combustible disposé dans son lieu de combustion

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE87199C1 (fr) *
DE806582C (de) * 1949-10-15 1951-06-14 Gustav Mueller Saegemehlheizkessel fuer Warmwasserheizung
NO300516B1 (no) * 1995-04-21 1997-06-09 Paal Wendelbo Ovn fremstilt av emballasjemateriale og emballasje for fremstilling av ovnen
FI974044A (fi) * 1997-10-24 1999-04-25 Tapio Niemi Liesi

Also Published As

Publication number Publication date
EP1427963A1 (fr) 2004-06-16
FI109723B (fi) 2002-09-30
FI20011684A0 (fi) 2001-08-22
ATE343097T1 (de) 2006-11-15
WO2003019077A1 (fr) 2003-03-06
DE60215527T2 (de) 2007-07-05
DK1427963T3 (da) 2007-02-12
DE60215527D1 (de) 2006-11-30

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