EP0936409B1 - Abgasführung für ein Heizgerät - Google Patents
Abgasführung für ein Heizgerät Download PDFInfo
- Publication number
- EP0936409B1 EP0936409B1 EP98120876A EP98120876A EP0936409B1 EP 0936409 B1 EP0936409 B1 EP 0936409B1 EP 98120876 A EP98120876 A EP 98120876A EP 98120876 A EP98120876 A EP 98120876A EP 0936409 B1 EP0936409 B1 EP 0936409B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- exhaust
- gas
- heater
- flow
- air
- 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
- 238000010438 heat treatment Methods 0.000 title claims 8
- 239000007789 gas Substances 0.000 claims description 62
- 238000002485 combustion reaction Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 5
- 239000003546 flue gas Substances 0.000 abstract 5
- 239000003570 air Substances 0.000 description 29
- 230000001419 dependent effect Effects 0.000 description 4
- 239000012080 ambient air Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009419 refurbishment Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
- F24H9/2042—Preventing or detecting the return of combustion gases
-
- 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
- F23M11/00—Safety arrangements
-
- 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
- F23M9/003—Baffles or deflectors for air or combustion products; Flame shields in flue gas ducts
- F23M9/006—Backflow diverters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/10—Control of fluid heaters characterised by the purpose of the control
- F24H15/112—Preventing or detecting blocked flues
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/235—Temperature of exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/355—Control of heat-generating means in heaters
- F24H15/36—Control of heat-generating means in heaters of burners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2211/00—Flue gas duct systems
- F23J2211/10—Balanced flues (combining air supply and flue gas exhaust)
- F23J2211/101—Balanced flues (combining air supply and flue gas exhaust) with coaxial duct arrangement
Definitions
- the invention is based on an exhaust gas duct and Heater with exhaust system according to the genus Main claims. It is known that in particular atmospheric heaters are part of the Exhaust gas routing is designed as a flow safety device (e.g. G 88 01 994.2). Such designed as exhaust hoods Flow fuses have side openings, so in the event of a backflow of the exhaust gases through the openings in can reach the installation room. Near the Exhaust gas sensors measure the exhaust gas flow and the heater is disabled until the fault is rectified Operation set. In addition, the one Room air-dependent heater through the chimney draft caused pressure fluctuations by the in the Flow protection arranged openings balanced.
- a flow safety device e.g. G 88 01 994.2
- An exhaust / combustion air duct for a wall-hung gas heater with one Air box is known from GB-A-2 242 264.
- For exhaust gas discharge is one Exhaust pipe provided through which the exhaust gas is discharged under fan pressure.
- An air supply line is arranged coaxially around the exhaust line, via which the Air supply takes place.
- In a further embodiment is in the air box Heater formed around the exhaust pipe around an annular gap opening which the combustion air is fed to the burner.
- From AU-A-10 304 66 is an exhaust gas duct for a heater with a Flow control known, in which the flow control a first connection piece for an exhaust pipe leading to the heater and a second connection piece for an external exhaust system in a chimney or chimney.
- the two Connection sockets are arranged horizontally offset from each other. To manage the Exhaust gases are provided within the flow safety device. Also points the flow control an opening for connection to the installation room of the Heater on.
- An opening of the exhaust gas duct leading into the installation space of the heater is also known from DE-A1-30 08 399.
- an exhaust gas sensor is arranged, which in the event of a backlog of Exhaust gas provides a signal.
- From US-A-4,403,599 is a flow line between a connecting piece a heater and a connector for an exhaust pipe known.
- the flow line has an opening to the installation room of the heater, the opening only opens when the pressure in the heater housing is greater than that of the surrounding atmosphere.
- From DE-U1-93 01 720 is a condensing boiler with a Exhaust gas behind a heat exchanger unit formed exhaust gas guide known.
- Exhaust gas routing is used to collect the exhaust gas and via an exhaust pipe from the air box of the heater. This is due to the passage through the air box Exhaust pipe surrounded by an annular gap, above the combustion air in the air box of the heater can flow in.
- the heater according to the invention has the advantage that one with an exhaust gas guide Flow protection equipped, room air dependent heater on one Outside air heater can be converted by the Flow control removed and through an air exhaust system in the form of a coaxial extending double tube is replaced.
- the heater itself does not need to be built to be changed. This makes it easy to convert from a room air-dependent one Heater possible on a room air independent heater.
- the opening for pressure decoupling of the heater from that on the heater connected exhaust duct is advantageously at the top of the first Connection piece of the flow fuse arranged.
- FIG. 1 shows the heater according to the invention with the exhaust gas routing according to the invention
- Figure 2 a sectioned side view of the exhaust system with a Representation of air and exhaust gas flows in normal operation
- Figure 3 is a plan view of the exhaust system
- Figure 4 is a Representation of the exhaust gas flows within the exhaust system Backflow of exhaust gases
- Figure 5 an alternative Exhaust gas routing for the heater shown in Figure 1 use as an external wall unit independent of ambient air.
- the heater of Figure 1 has a burner 10, the one Fuel gas-air mixture by a fan, not shown is fed.
- the burner 10 sits at the top of one Combustion chamber 12 by a heat exchanger unit 14 after bottom and side is completed.
- an exhaust gas chamber 16 Downstream of the Heat exchanger unit 14, an exhaust gas chamber 16 is arranged on the lowest point of which is not shown Condensate drainage is provided.
- the Burner and heat exchanger unit and exhaust pipe 18 are surrounded by an air box 20, which at its upper End of an opening 22 for the passage of the exhaust pipe 18th to the outside.
- the diameter of the opening 22 is so dimensioned that between the exhaust pipe 18 and the Forms an annular gap over the edges of the Operation of the heater using the burner 10 upstream fan combustion air are sucked can.
- At the level of the opening 22 in the air box 20 is connected to the exhaust pipe when viewed in the direction of flow 18 a flow control described in more detail below 24 on.
- the flow fuse 24 has a first connection piece 26, which is gas-tight with the end of the exhaust pipe 18 connected is.
- the in the first connection piece 26th forming flow channel is via a connector 28 performed in a second connection piece 30, such that the first and the second connecting piece 26, 30 horizontally are staggered.
- the second Connection piece 30 does not connect to one shown chimney or chimney.
- first connection piece 26 At the upper end of the first connection piece 26 is one Opening 32 provided which connects the Flow control 24 or the exhaust system with the Installation room of the heater.
- Exhaust gas sensor 34 for the detection of back-up exhaust gas arranged.
- a is in the first connection piece 26 Baffle 36 for the connector 28 and the second connecting piece 30 flowing into the chimney outlet Exhaust gases provided.
- the extension of the flow protection in horizontal direction is thereby offset X (see Fig. 2) of the two connecting pieces 26 and 30 determined. This results in a flat flow fuse 24, so that the overall height of the heater is not essential overall is enlarged.
- the heater works in the following way: About the the burner 10 upstream fan is from the Installation room of the heater via opening 22 Combustion air and a not shown Gas supply device fuel gas supplied to the burner 10. The arising during combustion in the combustion chamber 12 Combustion gases pass through the heat exchanger unit 14 into the exhaust gas space 16 and are identified as exhaust gases (dash-dotted lines shown) on the exhaust pipe 18 and on the Flow control 24 and the adjoining Chimney drained to the outside. About that in the first Connection piece 26 arranged opening 32 finds one Pressure decoupling of the heater from the rest Exhaust gas discharge instead; at the same time air escapes from the Installation room via the opening 32 in the exhaust duct, see above that the exhaust gas is diluted and thus the dew point is lowered becomes.
- Exhaust gases reach the exhaust gases through the opening 32 in the installation room of the heater.
- the exhaust gases are detected by the exhaust gas sensor 34 and the heater after a pause of about 20 minutes started again automatically.
- air condensing condensing boiler can be used in old buildings, for example, where one Refurbishment of the chimney has not yet taken place. is the old chimney with a new air-exhaust system replaced or is in the chimney a new air exhaust system the heater can be integrated simple way in a room independent fully condensing heater.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Sampling And Sample Adjustment (AREA)
- Air-Conditioning For Vehicles (AREA)
- Exhaust Gas After Treatment (AREA)
- Incineration Of Waste (AREA)
- Air Supply (AREA)
- Regulation And Control Of Combustion (AREA)
- Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
Description
Claims (4)
- Heizgerät mit einem gebläseunterstützten Brenner, einer Wärmetauschereinheit, sowie mit einer Abgasführung, die an eine externe Abgasführung anschließbar ist, wobei in Strömungsrichtung gesehen hinter der Wärmetauschereinheit (14) ein Abgasrohr (18) angeordnet ist, wobei das Heizgerät von einem Luftkasten (20) umgeben ist, der eine Öffnung (22) für ein Abgasrohr (18) und für die Verbrennungsluftzufuhr aufweist, und wobei die Öffnung (22) größer gewählt ist, als der Durchmesser des Abgasrohres (18), so dass sich ein Ringspalt für die Zufuhr der Verbrennungsluft um das Abgasrohr (18) ausbildet, dadurch gekennzeichnet, dass die Abgasführung mit einer Strömungssicherung (24) versehen ist, die eine in den Aufstellungsraum des Heizgeräts mündende Öffnung (32) zum raumluftabhängigen Betrieb des Heizgerätes sowie einen ersten Anschlussstutzen (26) für das Abgasrohr (18) und einen zweiten Anschlussstutzen (30) für die externe Abgasführung aufweist, wobei beide Anschlussstutzen (26, 30) horizontal versetzt zueinander angeordnet sind, dass an das Abgasrohr (18) und den Ringspalt (22) ein Luft-Abgas-System in Form eines koaxial verlaufenden Doppelrohres ankoppelbar ist, und dass der Anschlussstutzen (26) der Strömungssicherung (24) so dimensioniert ist, dass die Strömungssicherung (24) durch das an das Abgasrohr (18) und den Ringspalt (22) ankoppelbare Doppelrohr ersetzbar ist.
- Heizgerät nach Anspruch 1, dadurch gekennzeichnet, dass die Strömungssicherung (24) als flaches, sich im wesentlichen in horizontaler Lage erstreckendes Bauteil ausgebildet ist.
- Heizgerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass seitlich am ersten Anschlussstutzen (26) der Strömungssicherung (24) in unmittelbarer Nähe zur Öffnung (32) ein Abgassensor (34) zur Detektion von rückstauendem Abgas vorgesehen ist.
- Heizgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zur Führung der Abgase innerhalb der Strömungssicherung (24) ein Leitblech (36) vorgesehen ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29802545U DE29802545U1 (de) | 1998-02-14 | 1998-02-14 | Abgasführung für ein Heizgerät |
DE29802545U | 1998-02-14 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0936409A2 EP0936409A2 (de) | 1999-08-18 |
EP0936409A3 EP0936409A3 (de) | 2000-01-12 |
EP0936409B1 true EP0936409B1 (de) | 2003-06-25 |
Family
ID=8052671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98120876A Expired - Lifetime EP0936409B1 (de) | 1998-02-14 | 1998-11-04 | Abgasführung für ein Heizgerät |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0936409B1 (de) |
AT (1) | ATE243830T1 (de) |
DE (2) | DE29802545U1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITAN20020061A1 (it) * | 2002-12-23 | 2004-06-24 | Merloni Termosanitari Spa Ora Ariston Thermo Spa | Caldaia murale universale, standard-semicondensante-condensante. |
ITAN20020062A1 (it) * | 2002-12-23 | 2004-06-24 | Merloni Termosanitari Spa Ora Ariston Thermo Spa | Caldaia murale a tiraggio forzato polivalente. |
ES2960744T3 (es) * | 2019-12-04 | 2024-03-06 | Vaillant Gmbh | Artefacto de calefacción a gas con detector de gases nocivos |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB546201A (en) * | 1941-04-19 | 1942-07-01 | Norman Grater | Improvements in or relating to vertical gas fired tubular boilers |
AU1030466A (en) * | 1967-06-07 | 1968-12-12 | Rheem Australia Pty. Limited | Improvements in diverter assemblies for gas water heaters |
DE3008399A1 (de) * | 1980-03-05 | 1981-09-17 | Küppersbusch AG, 4650 Gelsenkirchen | Gas-raumheizungsgeraet |
US4403599A (en) * | 1980-11-18 | 1983-09-13 | Carrier Corporation | Spillage damper for a combustion system |
AT387843B (de) | 1987-02-17 | 1989-03-28 | Vaillant Gmbh | Stroemungssicherung |
IT1241083B (it) * | 1990-03-23 | 1993-12-29 | Nuovo Pignone Spa | Caldaia murale forzata stagna a gas perfezionata,per uso domestico |
DE9301720U1 (de) * | 1992-02-13 | 1993-04-22 | Joh. Vaillant Gmbh U. Co, 5630 Remscheid, De | |
FR2736995B1 (fr) * | 1995-07-21 | 1997-08-22 | Formastim Sa Soc | Appareil pour transformer les circuits gazeux de chaudieres classiques en circuits gazeux etanches, ameliorant le rendement de combustion et reduisant les emissions d'imbrules |
-
1998
- 1998-02-14 DE DE29802545U patent/DE29802545U1/de not_active Expired - Lifetime
- 1998-11-04 AT AT98120876T patent/ATE243830T1/de not_active IP Right Cessation
- 1998-11-04 EP EP98120876A patent/EP0936409B1/de not_active Expired - Lifetime
- 1998-11-04 DE DE59808814T patent/DE59808814D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE243830T1 (de) | 2003-07-15 |
DE59808814D1 (de) | 2003-07-31 |
EP0936409A2 (de) | 1999-08-18 |
DE29802545U1 (de) | 1999-06-17 |
EP0936409A3 (de) | 2000-01-12 |
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