EP2886953A1 - Poêle à bois avec un conduit d'alimentation pour les journaux - Google Patents
Poêle à bois avec un conduit d'alimentation pour les journaux Download PDFInfo
- Publication number
- EP2886953A1 EP2886953A1 EP14199519.1A EP14199519A EP2886953A1 EP 2886953 A1 EP2886953 A1 EP 2886953A1 EP 14199519 A EP14199519 A EP 14199519A EP 2886953 A1 EP2886953 A1 EP 2886953A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stock
- combustion chamber
- stock tubes
- wood stove
- stove
- 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
- 239000002023 wood Substances 0.000 title claims abstract description 45
- 238000002485 combustion reaction Methods 0.000 claims abstract description 34
- 238000005192 partition Methods 0.000 claims abstract description 23
- 239000000567 combustion gas Substances 0.000 claims abstract description 4
- 239000000446 fuel Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 9
- 230000000630 rising effect Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001535 kindling effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Classifications
-
- 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
- F24B1/16—Closed stoves with fuel storage in multiple or divided hoppers within the stove or range
-
- 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
- F23B50/02—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 forming a column, stack or thick layer with the combustion zone at its bottom
- F23B50/04—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 forming a column, stack or thick layer with the combustion zone at its bottom the movement of combustion air and flue gases being substantially transverse to the movement of the fuel
-
- 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
- F23B50/02—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 forming a column, stack or thick layer with the combustion zone at its bottom
- F23B50/10—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 forming a column, stack or thick layer with the combustion zone at its bottom with the combustion zone at the bottom of fuel-filled conduits ending at the surface of a fuel bed
-
- 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
- F24B13/00—Details solely applicable to stoves or ranges burning solid fuels
- F24B13/04—Arrangements for feeding solid fuel, e.g. hoppers
Definitions
- the invention relates to a wood stove comprising a housing containing a combustion chamber and provided with an air supply opening, a discharge opening for combustion gases, and at least two supply openings for wood present in the upper part of the housing, said stove further comprises at least two stock tubes for logs which stock tubes are open at both ends, each of which stock tubes having one end connected to one of the supply openings and extending from this supply opening in a substantially vertical direction upwards.
- Such a wood stove is known from EP 2597371 A .
- the heat of the fire is controlled by throttling the air supply.
- the temperature of the fire goes down, that gases evaporate from the wood that does not burn completely, and that there is not sufficient oxygen present to complete combustion of the gases. Because of this the yield of a normal stove reduces much when the stove is put on a lower setting.
- An object of the invention is to provide a wood stove of the type described in the preamble, in which the combustion is controlled better than in the known wood stove.
- the stove according to the invention is characterized in that the wood stove comprises a vertically movable partition plate which is present between the two stock tubes and is movable between an inactive position, in which the partition plate is present completely or substantially completely between the stock tubes, and an active position, in which the partition plate extends partly or completely in the combustion chamber and shields a part of it from the fire source. Due to the lowering of the partition plate, the portion of the combustion chamber that is present at a side of the partition plate remote from the discharge opening is withdrawn from the combustion space. The stove is thus put on a lower setting without throttling the air supply.
- the logs are separated from each other so that the part that is shielded by the partition plate does no longer take part in the combustion.
- the wood is protected so that radiation from the hot fire does no longer heats the wood.
- the source of the fire is thereby reduced while there is still sufficient oxygen.
- the smaller fire still burns brightly, and burns completely, but the stove does emits less heat to the surroundings because the fire source is smaller.
- the yield continues to be high, and the fire burns more constant. There will be no evaporation of combustible gases from the wood that useless would disappear through the chimney as would be the case at smothering the fire.
- the stock tubes and logs contained therein are adjusted to each other such that two logs cannot be present next to each other and logs cannot fall in the stock tubes.
- the stock tube is preferably a long, narrow tube, and should preferably be filled with elongate logs which can be in the tube only in the longitudinal direction.
- the clearance between the logs and the wall of the tube is not such large that the logs cannot get stuck when being in a tilt position.
- the angle between the center line of the stock ducts and the vertical direction is preferably at the most 20 degrees and more preferably at the most 5 degrees.
- An embodiment of the wood stove according to the invention is characterized in that the stove comprises at least three stock tubes including the said stock tubes.
- the stock tubes are preferably at a distance from each other and are parallel to each other.
- the stock tubes In order to reduce the chance of clamping of logs in the tubes the stock tubes have a conical shape widening towards the bottom.
- the other end of the stock tubes are each closed by a lid which is movable between a closed position in which the lid closes this end and an open position in which the lid is directed obliquely upwards and leaves open this end, said lid is provided with a raised edge at the underside which edge is present within the walls of the stock tube in closed position of the lid and in open position of the lid, the bottom part of the lid is provided at its free end with a downwardly projecting drip edge.
- Yet a further embodiment of the wood burning stove according to the invention is characterized in that that the discharge opening is present in a side wall of the combustion chamber near the bottom of the combustion chamber and that furthermore, the wood stove comprises a pipe connected to the discharge opening.
- the pipe acts as a flame pipe. This flame pipe concentrates the flame so that all the gases are heated up to the maximum and insulates the flame so that in this stage of the combustion, heat is still not transferred to the surroundings but it is used for heating the gases to be burned.
- the lower portions of the side walls of the combustion chamber are preferably tapered towards the discharge opening and the bottom of the combustion chamber preferably is sloping down towards the discharge opening. Because of this the logs are kept shut and the fire is concentrated. The flame is thus rapidly concentrated in the flame pipe, so that mixing of the flame with partly burnt gases takes place there where the temperature is highest.
- FIGS 1 and 2 an embodiment of the stove according to the invention is shown in cross-section with the partition plate in lower or upper position.
- the wood stove 1 has a housing 3 containing a combustion chamber 5.
- a discharge opening 9 is provided for discharge of combustion gases. This discharge opening is provided at a small distance above the bottom 11 of the combustion chamber.
- a pipe 13 is connected to the discharge opening 9 .
- This pipe forms a flame tube which opens into a flue gas discharge duct 15.
- the pipe 13 concentrates the flame 16, see Figure 2 , so that all the gases are heated up.
- each supply opening 19 for logs there are three supply openings 19 for logs.
- a stock tube 21a-c for logs 23 open at both ends is connected which extends in a vertical direction extending upwardly.
- the tower of logs falls down automatically and performs new fuel to the fire. It is therefore a filling system acting on the force of gravity.
- the upper ends of the stock tubes are closed by removable lids 25a-c, which are displaceable between a closed position in which the lid closes the open upper end of the stock tube and an open position in which the lid is directed obliquely upwards and leaves this end open.
- the wood stove has a number of slender stock tubes 21a-c and not a thick sleeve where logs are placed in random, because it is important that the logs remain as cool as possible. As the logs in the stock tubes warm up too much, water evaporates that much that the fire does not burn well. So heat transfer to the logs should be avoided. This is done by stacking the logs 23 in the stock tubes 21a-c, where the logs are enclosed all around by the stock tubes. The stock tubes ensure a cool environment. The logs 23 are not hot because they are surrounded by the cold stock tubes. Gases rising in the stock tubes do not heat the logs because the stock tubes 21a-c cool these gases.
- the stock tubes 21a-c are slightly tapered towards the top, one half degree withdrawable, so that clamping occurs less frequently.
- a vertically movable partition plate 27 Between the stock tubes 21a-c there is provided a vertically movable partition plate 27.
- This partition plate has a T-shaped cross-section (see Figure 5 ) and is movable between an inactive position ( figure 2 ), in which the partition plate 27 is present completely or substantially completely between the stock tubes 21a-c, and an active position ( Figure 1 ), in which the partition plate 27 extends partly into the combustion chamber 5 and shields a part of it from the fire.
- air inlet openings 31 are present in the side walls 29 of the combustion chamber.
- air vents 35 are present which are closable through slides 33, see Figures 3 and 4 , which air vents are in communication with the air supply opening 31 in the combustion chamber 5.
- the lower portions 37 of the side walls 29 of the combustion chamber are tapered towards the discharge opening 9, and the bottom 11 of the combustion chamber runs obliquely downwards towards the outlet opening 9.
- the bottom 9 is formed by a grate through which ash may fall down into an ash pan 39.
- a door 43 is present, see Figure 3 , through which can be taken out the ash pan.
- a further door 45 is present, see Figure 4 , through which kindling wood can be put into the combustion chamber.
- FIG. 6 the wood stove 1 is shown in perspective.
- An arm 47 is attached to the partition plate.
- the separator plate can be pushed up and down between the supply ducts 21.
- the arm 47 extends between two stock tubes 21 to the outside.
- a comb 49 for the fastening of the arm is pivotably suspended from one of the supply ducts. By turning away the comb 49 from the gap 51 between the stock tubes, the arm 37 and thus the partition plate can be moved down. By then again rotating the comb 49 back to the vertical position, the arm 47 is fixed in a lower position between two other teeth of the comb.
- FIGs 7 and 8 show a detail of the upper part of the stock tubes of the stove in perspective respectively cross section, and in Figure 9 a detail of the lower part of the open lid is displayed.
- the lids 25a-c at the bottom are provided with a raised edge 53 that is present within the walls of the stock tubes 21a-c in the closed position of the lid, as shown in Figure 8.
- the lower portion 53A of the raised edge is provided with a downwardly projecting drip edge 55 at the free end, see Figure 9 . Due to the presence of the drip edge 55, downwards seeping condensation will drip along the inside of the lid into the stock tube and will not be discharged outside the tube via the bottom of the lid and trickle down the outside of the stock tube.
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL2011992A NL2011992C2 (nl) | 2013-12-19 | 2013-12-19 | Houtkachel met een voorraadkoker voor houtblokken. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2886953A1 true EP2886953A1 (fr) | 2015-06-24 |
EP2886953B1 EP2886953B1 (fr) | 2016-09-07 |
Family
ID=52473721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14199519.1A Not-in-force EP2886953B1 (fr) | 2013-12-19 | 2014-12-19 | Poêle à bois avec un conduit d'alimentation pour les bûches |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2886953B1 (fr) |
NL (1) | NL2011992C2 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7395166B1 (ja) | 2023-08-21 | 2023-12-11 | 隆士 ▲高▼松 | 燃焼装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE551086A (fr) * | ||||
US4201186A (en) * | 1978-03-17 | 1980-05-06 | Paquin Patrick J | Solid-fuel burner |
FR2484615A1 (en) * | 1980-06-11 | 1981-12-18 | Lechenet Francis | Wood-burning heating appliance - has automatic stoking system with fuel stored above furnace |
DE8405921U1 (de) * | 1984-02-27 | 1984-08-09 | Prömmel, Joachim, 3050 Wunstorf | Vorgefertigte feuerstaette fuer feste brennstoffe |
US4606282A (en) * | 1985-12-09 | 1986-08-19 | Karl Steindal | Self feeding wood burning stove |
US4947769A (en) * | 1989-03-17 | 1990-08-14 | Whitfield Oliver J | Apparatus for combustion of solid particulate fuel |
EP2597371A1 (fr) | 2011-11-23 | 2013-05-29 | André Ricci | Dispositif de chauffage au bois alimenté en continu |
-
2013
- 2013-12-19 NL NL2011992A patent/NL2011992C2/nl not_active IP Right Cessation
-
2014
- 2014-12-19 EP EP14199519.1A patent/EP2886953B1/fr not_active Not-in-force
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE551086A (fr) * | ||||
US4201186A (en) * | 1978-03-17 | 1980-05-06 | Paquin Patrick J | Solid-fuel burner |
FR2484615A1 (en) * | 1980-06-11 | 1981-12-18 | Lechenet Francis | Wood-burning heating appliance - has automatic stoking system with fuel stored above furnace |
DE8405921U1 (de) * | 1984-02-27 | 1984-08-09 | Prömmel, Joachim, 3050 Wunstorf | Vorgefertigte feuerstaette fuer feste brennstoffe |
US4606282A (en) * | 1985-12-09 | 1986-08-19 | Karl Steindal | Self feeding wood burning stove |
US4947769A (en) * | 1989-03-17 | 1990-08-14 | Whitfield Oliver J | Apparatus for combustion of solid particulate fuel |
EP2597371A1 (fr) | 2011-11-23 | 2013-05-29 | André Ricci | Dispositif de chauffage au bois alimenté en continu |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7395166B1 (ja) | 2023-08-21 | 2023-12-11 | 隆士 ▲高▼松 | 燃焼装置 |
Also Published As
Publication number | Publication date |
---|---|
NL2011992C2 (nl) | 2015-06-22 |
EP2886953B1 (fr) | 2016-09-07 |
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