EP1319152A1 - Feuerstätte - Google Patents
FeuerstätteInfo
- Publication number
- EP1319152A1 EP1319152A1 EP01964720A EP01964720A EP1319152A1 EP 1319152 A1 EP1319152 A1 EP 1319152A1 EP 01964720 A EP01964720 A EP 01964720A EP 01964720 A EP01964720 A EP 01964720A EP 1319152 A1 EP1319152 A1 EP 1319152A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- opening
- filling
- combustion chamber
- primary air
- chamber
- 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
Links
- 238000002485 combustion reaction Methods 0.000 claims abstract description 65
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000000446 fuel Substances 0.000 claims description 38
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 6
- 239000002023 wood Substances 0.000 description 5
- 239000008188 pellet Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000011111 cardboard Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- 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 filling space that can be filled with fuel via a filling opening and a combustion space connected to the filling space via a supply opening, supply openings opening into the filling space PrimMuft, which are arranged offset in height from the supply opening.
- Compressed fuel can be made from various raw materials, such as wood, cardboard, paper or the like. consist.
- wood pellets are made from natural wood, which is produced from wood shavings and sawdust.
- the untreated raw material is compressed and pelletized under high pressure.
- the resulting cylindrical rolls have low residual moisture and a high calorific value.
- these positive material properties are very difficult to use with conventional fireplaces mentioned at the outset, since the supply of oxygen to the point at which the combustion takes place is impeded due to the small size of the compacts. The result is a combustion within the fireplace associated with poor exhaust gas values.
- the filling chamber comprises a means of conveyance via which the fuel can be conveyed from the filling opening into the combustion chamber, and in that at least some of the primary air supply openings open into the filling chamber in such a way that the partial flow of primary air supplied flows through the fuel reaches the combustion chamber.
- the fuel reaches the combustion chamber via the conveyor, whereby the primary air flowing downwards through the fuel can reach the upper part of the glow nest in the combustion chamber and thereby ensures complete combustion, with always as much air being sucked in as needed for combustion.
- the funding is formed by a sliding wall, which - seen in the position of use - extends obliquely downwards from the lower edge of the filling opening into the area of the supply opening and on the top thereof the fuel from the filling opening to Replenishment opening and into the combustion chamber to a collecting device arranged there is movable.
- the funding created in this way enables the fuel to be conveyed solely by gravity and therefore does not require any external energy for its operation.
- a pipe or a curved surface can also be used as funding.
- the primary air supply openings are arranged in such a way that the primary air flowing into the filling chamber reaches the supply opening both below and above the sliding wall and via this into the combustion chamber.
- the filling chamber is divided into an upper and a lower part, so that the primary air is led to the replenishment opening via both room parts, but only the top of the slide wall is filled with fuel, so that the primary air flowing on the underside flows into the Combustion chamber can cross.
- the high primary air flow rate that can be achieved in this way requires the combustion of the fuel in the combustion chamber, but the separation of the combustion chamber and the filling chamber means that only the part of the fuel material that gets into the collecting device is burned and an immediate combustion of the entire supply material located in the filling chamber is prevented.
- Sel mdMufti ifiihröffii openings opening into the combustion chamber can be provided, which promotes the post-combustion of gases produced during the combustion.
- the combustion chamber and the filling chamber are separated from one another by a curved partition wall which is spaced at its lower end from a concavely curved floor surface while forming the replenishment opening. Due to the special shape of the partition, the suction draft with which the primary air is drawn through the fireplace can be improved.
- the combustion chamber can taper towards the top to a slot-shaped outlet opening, via which the combustion chamber is connected to a channel that discharges the combustion exhaust gases.
- a channel for the supply of primary air is provided in the filling chamber wall, which channel is connected at its outlet end to an air distribution body arranged in the upper region of the slide wall is, via which the primary air is distributed to the air-discharge openings opening into the part of the combustion chamber located above the sliding wall and the air supply openings opening into the part of the combustion chamber located below the sliding wall.
- a very uniform distribution of the primary air can be achieved in a further development of the invention in that the air distribution body is formed from a perforated plate, which forms a contact surface for the upper part of the sliding wall.
- the collecting device for the fuel can be formed from a burner grate spaced apart from the bottom surface of the combustion chamber and having a recess which is preferably V-shaped in cross section.
- the V-shaped recess prevents the fuel from sliding excessively into the burner grate.
- the burner grate can be formed from a perforated plate and the V-shaped recess of the burner grate can be delimited at its ends by oblique end walls formed from perforated plate. These prevent the fuel from sliding sideways out of the burner grate.
- the burner grate can form part of a two-part insert, the second part of which comprises a spacer and a handle, which can be detachably connected to one another.
- the two-part form of the insert allows a simplified manufacture of the same.
- the spacer has a transverse, angular bar on its top, which has a bearing surface for the lower Forms part of the slide wall.
- Fig.l shows a section through an embodiment of the fireplace according to the invention
- FIG. 3 shows a section AA through the burner grate according to Figure 5;
- FIG. 4 shows an oblique view of the burner grate separated into its parts according to FIG. 2;
- Fig. 5 is a plan view of the burner grate according to Fig.2 and
- FIG. 6 shows a further embodiment of the fireplace according to the invention.
- Fig.l shows a fireplace designed in a tiled stove, in particular for the combustion of pressed fuel 9, e.g. for pellets made from various raw materials, e.g. Wood, cardboard, paper or the like. Can exist. In itself, this fireplace can also e.g. built into a stove or other type of combustion device.
- pressed fuel 9 e.g. for pellets made from various raw materials, e.g. Wood, cardboard, paper or the like.
- this fireplace can also e.g. built into a stove or other type of combustion device.
- the pressed fuel 9 enters a filling chamber 11, which is separated from a combustion chamber 12 by a curved partition 3 made of fireclay.
- the advantage that can be achieved when using pellets as fuel is that they are clean and very convenient to use; the pellets can also be automatically introduced into the filling chamber 11, for example via a suction device or a conveyor belt 50 reaching into the filling opening (FIG. 6).
- a replenishment opening 10 is formed by spacing the partition 3 from a concave bottom surface 18.
- the fuel 9 enters the combustion chamber 12 through the replenishment opening 10 and is burned there.
- the combustion chamber 12 tapers towards the top to form a slot-shaped outlet opening 27, via which it is connected to a duct which discharges the combustion exhaust gases and which is not shown in FIG.
- This slot-shaped outlet opening 27 is created by a fireclay part 1 with lateral spacers 2, which rest on the curved partition 3. Since the filling opening 6 is offset in terms of height from the supply opening 10, there is a siphon effect, due to which the primary air coming into the filling chamber 11 via the filling opening 6 is sucked in only to the extent that it is in the combustion chamber 12 is needed for combustion.
- the replenishment opening 10 enables a metered passage of the fuel 9 from the filling chamber 11 into the combustion chamber 12, so that the combustion process takes place in a controlled manner.
- the filling chamber 11 comprises a conveying means 7, via which the fuel can be conveyed from the filling opening 6 into the combustion chamber 12. At least some of the primary air supply openings 20, 21 open into the filling chamber 11 in such a way that the partial flow of primary air supplied passes through the fuel into the combustion chamber 12.
- a tube or a curved surface or a worm drive can also be provided as the conveying means.
- the feed openings 20, 21 for the primary air are arranged in such a way that the primary air flowing into the filling chamber 11 reaches both below and above the sliding wall 7 to the supply opening 10 and via this into the combustion chamber 12.
- secondary air supply openings 19 opening into the combustion chamber 12 are also provided, the associated secondary air being branched off from the primary air duct 14 via a secondary air duct 200.
- the primary air duct 14 for the supply of primary air is provided in the wall of the filling chamber 11 and is connected at its outlet end to an air distribution body 13 arranged in the upper region of the sliding wall 7, via which the primary air is directed to the part of the filling room located above the sliding wall 7 11 opening air supply openings 20 and the air supply openings 21 opening into the part of the filling chamber 11 located below the sliding wall 7 is distributed.
- the air distribution body can be designed as desired, in the embodiment shown in FIG. 1 it is formed from a perforated plate 13. It also forms a bearing surface for the upper part of the sliding wall 7.
- the collecting device for the fuel is formed from a burner grate 8 spaced from the bottom surface 18 of the combustion chamber 12 and having a recess 40 which is preferably V-shaped in cross section. This V-shaped depression prevents the burning fuel 9 from sliding out due to the pressure of the fuel 9 sliding on the sliding wall 7.
- the burner grate 8 is formed from a perforated plate, so that the primary air flowing in from below can act directly on the fuel 9.
- the V-shaped recess 40 of the burner grate 8 is delimited at its ends by inclined end walls 45, which are also formed from perforated sheet metal and prevent the fuel material 9 from sliding out laterally from the burner grate 8 (FIGS. 3, 5).
- the burner grate 8 forms part of a two-part insert, the second part of which comprises a spacer 26, 27 and a handle 25, which can be detachably connected to the burner grate 8.
- the detachable connection is formed by an edge 41 of the burner grate 8 and by protruding angle extensions 29 of the spacer 26, 27, into which the edge 41 can be pressed.
- the insert can be placed on the curved bottom surface 18 of the fireplace according to the invention, wherein the positioning within the fireplace can be carried out via the handle 25.
- the burner grate 8 is supported on the fireclay inside of the fireplace by means of the above projections 30 (FIG. 1).
- a transverse, angular bar 22 is formed, which has a bearing surface for the lower part of the Forms sliding wall 7.
- the collecting device can also be formed from fireclay, from ceramic or from another suitable material, the shape of the collecting device can be of any type, as long as it fulfills the function of collecting the fuel coming from above.
Landscapes
- 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)
Abstract
Description
Claims
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 (de) | 2000-09-13 | 2001-09-13 | Feuerstätte |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1319152A1 true EP1319152A1 (de) | 2003-06-18 |
| EP1319152B1 EP1319152B1 (de) | 2005-03-02 |
Family
ID=3496820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01964720A Expired - Lifetime EP1319152B1 (de) | 2000-09-13 | 2001-09-13 | Feuerstätte |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1319152B1 (de) |
| AT (1) | AT4572U1 (de) |
| AU (1) | AU2001285567A1 (de) |
| DE (1) | DE50105483D1 (de) |
| WO (1) | WO2002023090A1 (de) |
Families Citing this family (5)
| 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 |
| CA2771112C (en) * | 2012-03-21 | 2012-09-11 | Bma Tech Inc. | Grate and method of burning a granular fuel material |
| 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)
| 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 |
| WO1992011493A1 (en) * | 1990-12-17 | 1992-07-09 | 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 |
-
2000
- 2000-09-13 AT AT0067400U patent/AT4572U1/de not_active IP Right Cessation
-
2001
- 2001-09-13 AU AU2001285567A patent/AU2001285567A1/en not_active Abandoned
- 2001-09-13 EP EP01964720A patent/EP1319152B1/de not_active Expired - Lifetime
- 2001-09-13 DE DE50105483T patent/DE50105483D1/de not_active Expired - Lifetime
- 2001-09-13 WO PCT/AT2001/000289 patent/WO2002023090A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0223090A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002023090A1 (de) | 2002-03-21 |
| AU2001285567A1 (en) | 2002-03-26 |
| DE50105483D1 (de) | 2005-04-07 |
| AT4572U1 (de) | 2001-08-27 |
| EP1319152B1 (de) | 2005-03-02 |
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