EP1457741B1 - Herd mit Einbaukessel für Wärmwassererzeugung - Google Patents
Herd mit Einbaukessel für Wärmwassererzeugung Download PDFInfo
- Publication number
- EP1457741B1 EP1457741B1 EP04425159.3A EP04425159A EP1457741B1 EP 1457741 B1 EP1457741 B1 EP 1457741B1 EP 04425159 A EP04425159 A EP 04425159A EP 1457741 B1 EP1457741 B1 EP 1457741B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fire
- box
- bracket
- space
- 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.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 29
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 230000001174 ascending effect Effects 0.000 claims description 8
- 239000002023 wood Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 description 10
- 239000003517 fume Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B13/00—Steam boilers of fire-box type, i.e. the combustion of fuel being performed in a chamber or fire-box with subsequent flue(s) or fire tube(s), both chamber or fire-box and flues or fire tubes being built-in in the boiler body
-
- 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
- F24B5/00—Combustion-air or flue-gas circulation in or around stoves or ranges
- F24B5/02—Combustion-air or flue-gas circulation in or around stoves or ranges in or around stoves
- F24B5/021—Combustion-air or flue-gas circulation in or around stoves or ranges in or around stoves combustion-air circulation
-
- 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
- F24B5/00—Combustion-air or flue-gas circulation in or around stoves or ranges
- F24B5/02—Combustion-air or flue-gas circulation in or around stoves or ranges in or around stoves
- F24B5/028—Arrangements combining combustion-air and flue-gas circulation
Definitions
- the present patent application for industrial invention relates to a stove with built-in boiler for the production of hot water used for sanitary services and/or radiator heating installations.
- the major drawback of the stoves of known type consists in the lack of a device able to adjust the flame according to the temperature reached by the water contained in the exchangers, where water temperature of course varies according to the water load absorbed by utilities.
- Stoves of known type are not provided with automatic devices for flame adjustment and the flame is always on, bringing hot water to maximum temperature values, which may be excessive for the requested use.
- US 6 029 640 and GB 523 610 disclose stoves with built-in boiler for hot water production with openings that can be internally obstructed by a flap and being controlled by a thermostat.
- EP 0 205 993 discloses a solid fuel inverted flame boiler for hot water system in which the hot transfer occurs by means of radially disposed member of L-section.
- GB 830140 discloses a furnace comprising a main chamber and an auxiliary chamber adapted to receive an oil burner insert.
- the main purpose of this invention is to significantly improve the thermal efficiency of this type of stoves, first of all by eliminating the energy waste that occurs today when combustion remains unaltered when the request for water from utilities has ceased.
- the stove of the invention has been provided with a device capable of turning the flame on and off according to the temperature reached by hot water. In this way, combustion is interrupted when the set temperature value is reached, and then automatically restored when the water temperature falls below the threshold value.
- the energy saving resulting from the use of such an adjustment device is not only related to the elimination of thermal waste, being also determined by the capability of setting the hot water temperature as desired by the user.
- the stove of the invention allows reducing fuel consumption according to external climatic conditions or personal user requirements.
- the location and direction of exchangers inside the fire-box have been suitably chosen to force combustion products along an ascending travel, thus favouring maximum thermal exchange and at the same time preventing the formation of sooty deposits on thermal exchange surfaces.
- the stove of the invention comprises a fire-box that is hermetically closed by a front door with shutter.
- the door When closed, the door comes in contact with a border that borders the mouth of the stove and has a series of through openings, through which external air can enter the fire-box to feed combustion.
- the air flow through the openings can be interrupted by means of a collapsible intercepting screen located immediately behind the border and capable of assuming two different positions, which correspond to total closing or total opening of the openings.
- the collapsible intercepting screen can be raised or lowered by means of a lever system actuated by an electric engine controlled by a thermostat and provided with a device that determines inverse rotation at every start.
- the fire-box has a parallelepiped shape and is provided with walls with a space filled with water; a first bracket projects from the back vertical wall and transversally extends from one side to the other, being interrupted near the front wall, slightly above the mouth of the stove.
- the first bracket has a space that receives the water coming from below through a first ascending pipe which communicates with the space of the back wall.
- a second ascending pipe starts above the first bracket and ends in the space of a second projecting bracket, which is fixed inside the front wall and transversally extends from one side to the other, being interrupted near the back wall, slightly above the first bracket.
- the second bracket communicates with the space on top of the fire-box, where the hot water feed union is located, while the cold water input union for the cold water returning from the radiators is located under the bottom wall of the fire-box.
- the stove of the invention comprises a metal bearing structure closed by a series of metal walls that enclose the fire-box (1) with parallelepiped configuration, surrounded by six walls provided with intercommunicating spaces (A) filled with water.
- the hot water feed union (2) is located on top of the fire-box (1), which is of course provided with the fume ejection mouth (3), on which the pipe used to convey fumes to the chimney is inserted.
- the front wall is interrupted to create the mouth (4) used to load the wood, closed by a door (5) with shutter, which is inserted and guided between two upright guides (6) fixed outside the front wall.
- comburent air can still enter the fire-box (1) through a series of intake openings (7) located on the front border (8) that borders the mouth (4) and comes into contact with the door (5) when the same is closed.
- a collapsible intercepting screen (9) capable of intercepting the air flow through the openings (7) is located, thus contributing comburent air to combustion inside the fire-box (1).
- the collapsible intercepting screen (9) can be raised or lowered automatically by means of a lever system (10) actuated by an electric engine (11) controlled by a thermostat (12) located on the control panel (13) where the user can set the water threshold temperature to turn the flame on and off.
- a first bracket (14) projects from the back wall and transversally extends from one side to the other, being interrupted near the front wall, slightly above the mouth (4).
- the first bracket (14) has a space that is filled with water coming from below through a first ascending pipe (15) that communicates with the space of the back wall.
- a second ascending pipe (16) starts above the first bracket (14) and ends into the space of a second projecting bracket (17), which is fixed inside the front wall and transversally extends from one side to the other, being interrupted near the back wall, slightly above the first bracket (14).
- the second bracket communicates with the space on top of the fire-box where the hot water feed union (2) is located.
- brackets (15 and 17) force fumes to travel along a double serpentine which extends their permanence in the fire-box (1), thus favouring thermal exchange especially with respect to the water contained in the brackets (15 and 17), which are in contact with fumes.
- the high downward inclination of the brackets (15 and 17) obstacles the formation of sooty deposits on the brackets.
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)
- Gas Burners (AREA)
Claims (2)
- Ofen mit eingebautem Kessel für die Heißwasserbereitung, des Typs umfassend einen Feuerraum (1), der von Metallwänden umgeben ist, die jeweilige, mit Wasser gefüllte und miteinander in Verbindung stehende Zwischenräume (A) aufweisen, mit einer Vorderwand, die unten ausgebrochen ist, um Platz für eine Öffnung (4) zum Einschieben von Brennholz zu lassen, die mit einer Klappe (5) verschlossen ist, deren Unterkante mit einer Kante (8) in Anschlag geht, die die Befüllungsöffnung (4) unten begrenzt, wobei die Kante (8) eine dichte Reihe von durchgehenden Länglöchern (7) aufweist, die von innen mittels einer klappbaren Filterblende (9) verdeckt werden können, die mit einem durch ein Thermostat (12) gesteuerten Elektromotor (11) betätigt werden können,
der Feuerraum (1) hat die Form eines Parallelepipeds und ist von sechs Wänden umgeben,
dadurch gekennzeichnet, dass
der Feuerraum (1) Folgendes enthält:- eine erste Konsole (14), die aus der hinteren Wand nach vorn auskragt und sich quer von einer Seitenwand zur anderen erstreckt und in der Nähe der Vorderwand, knapp oberhalb der Befüllungsöffnung (4), unterbrochen ist;- ein erstes aufsteigendes Rohr (15), das den Zwischenraum der hinteren Wand des Feuerraums (1) mit dem Zwischenraum der ersten Konsole (14) verbindet;- eine zweite, schräge Konsole (17), die innerhalb der Vorderwand des Feuerraums (1) befestigt ist und sich quer von einer Seitenwand zur anderen erstreckt und in der Nähe der hinteren Wand, knapp oberhalb der ersten Konsole (14), unterbrochen ist;- ein zweites aufsteigendes Rohr (16), das von der ersten Konsole (14) abzweigt und in den Zwischenraum der zweiten Konsole (17) einmündet, die mit dem Zwischenraum des Daches des Feuerraums (1) in Verbindung steht, an dem ein Heißwasservorlaufstutzen (2) vorgesehen ist. - Ofen nach Anspruch 1, dadurch gekennzeichnet, dass die Klappe (5) ein Schieber ist und zwischen zwei senkrecht verlaufenden Führungsschienen (6) verschiebbar ist, die an der Außenseite der Vorderwand des Feuerraums (1) befestigt sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITPS20030009 | 2003-03-14 | ||
ITPS20030009 ITPS20030009A1 (it) | 2003-03-14 | 2003-03-14 | Caminetto con caldaia incorporata per la produzione di acqua calda. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1457741A2 EP1457741A2 (de) | 2004-09-15 |
EP1457741A3 EP1457741A3 (de) | 2006-07-05 |
EP1457741B1 true EP1457741B1 (de) | 2016-08-17 |
Family
ID=32750524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04425159.3A Expired - Lifetime EP1457741B1 (de) | 2003-03-14 | 2004-03-10 | Herd mit Einbaukessel für Wärmwassererzeugung |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1457741B1 (de) |
IT (1) | ITPS20030009A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3001282B1 (fr) * | 2013-01-22 | 2015-01-30 | Cheikh Niang | Dispositif de production d'energie electrique et chaleur thermodynamique autonome |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB523610A (en) | 1939-01-09 | 1940-07-18 | Allied Ironfounders Ltd | Improvements relating to domestic boilers |
GB830148A (en) * | 1955-12-31 | 1960-03-09 | Emil Schwoerer | Improvements in or relating to a furnace |
DE2705356A1 (de) * | 1977-02-09 | 1978-08-10 | Friedrich Becker | Verbrennungskammer fuer kohle, gas und oel mit sauerstoff anstatt luftverbrennung |
IT1187173B (it) | 1985-06-10 | 1987-12-16 | Mescoli Tecnologie Solari Snc | Caldaia a fiamma rovesciata a combustibile solido per riscaldamento di ambienti e produzione in genere di acqua calda |
SE510479C2 (sv) | 1996-06-12 | 1999-05-25 | Sem Ab | Sätt att alstra en spänning för att detektera en jonström i gnistgapet vid en förbränningsmotor |
US6029648A (en) * | 1997-12-29 | 2000-02-29 | Willis; W. Coy | Outside wood-burning furnace |
-
2003
- 2003-03-14 IT ITPS20030009 patent/ITPS20030009A1/it unknown
-
2004
- 2004-03-10 EP EP04425159.3A patent/EP1457741B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1457741A3 (de) | 2006-07-05 |
ITPS20030009A1 (it) | 2004-09-15 |
EP1457741A2 (de) | 2004-09-15 |
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