EP1260766A2 - Verfahren zur Anpassung eines brennerbeheizten Heizgerätes an ein Luft-Abgassystem - Google Patents
Verfahren zur Anpassung eines brennerbeheizten Heizgerätes an ein Luft-Abgassystem Download PDFInfo
- Publication number
- EP1260766A2 EP1260766A2 EP02010791A EP02010791A EP1260766A2 EP 1260766 A2 EP1260766 A2 EP 1260766A2 EP 02010791 A EP02010791 A EP 02010791A EP 02010791 A EP02010791 A EP 02010791A EP 1260766 A2 EP1260766 A2 EP 1260766A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- speed
- air
- reached
- pressure value
- burner
- 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
- 238000000034 method Methods 0.000 title claims abstract description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title description 2
- 239000003546 flue gas Substances 0.000 title 1
- 238000012937 correction Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 6
- 238000009529 body temperature measurement Methods 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N3/00—Regulating air supply or draught
- F23N3/08—Regulating air supply or draught by power-assisted systems
- F23N3/082—Regulating air supply or draught by power-assisted systems using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/06—Regulating fuel supply conjointly with draught
- F23N1/062—Regulating fuel supply conjointly with draught using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
- F23N5/184—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
- F23N2005/181—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel using detectors sensitive to rate of flow of air
- F23N2005/182—Air flow switch
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2225/00—Measuring
- F23N2225/04—Measuring pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2225/00—Measuring
- F23N2225/08—Measuring temperature
- F23N2225/19—Measuring temperature outlet temperature water heat-exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2225/00—Measuring
- F23N2225/08—Measuring temperature
- F23N2225/20—Measuring temperature entrant temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2227/00—Ignition or checking
- F23N2227/02—Starting or ignition cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2233/00—Ventilators
- F23N2233/02—Ventilators in stacks
- F23N2233/04—Ventilators in stacks with variable speed
Definitions
- the invention relates to a method for adapting a burner heated Heater according to the preamble of claim 1.
- the aim of the invention is to avoid this disadvantage and a method of the beginning Specify the type mentioned, even in a warm operating state of the heater can be used.
- the proposed method steps can also be used to adjust the tube length warm condition of the heater must be carried out, as is caused by the operation of the fan with a certain pre-rinse speed before the actual determination of the speed at which the provided for the release of the gas supply pressure value is reached, the residual heat after a Shutdown of the burner away from the primary heat exchanger and past the pressure measurement system is dissipated.
- the temperature of the air volume flow adjusts itself Pressure measuring system, the flow or return temperature of the primary heat exchanger measured in the device on. This can increase the measured flow or return temperature the temperature of the air volume flow can be closed. With the help of the calculated Temperature correction function allows the speed determined when the device is warm correct a defined value.
- the proposed measures make the pipe length adjustment practically immediate after the burner has been switched off, the time during which the Blower with a certain pre-purge speed works, relatively short, e.g. 1 min, can be held.
- the heating device 23 has a burner 16 which is in a chamber 25 is arranged with a fresh air supply 20 which coaxially surrounds an exhaust duct 11 with connected to the environment.
- This burner 16 acts on a heat exchanger 13 which via a return line 17 and a flow line 15 with a radiator arrangement connected is.
- an exhaust gas hood 12 is arranged, which with the exhaust gas routing 11 is connected.
- the burner 16 is connected to a gas line 10 and a gas control device 18 Gas supply 19 connectable.
- the gas control device 18 has a modulation magnet 9 provided, which ensures the appropriate drive.
- This modulation magnet 9 is controlled by control electronics 7 via a control line 8 is connected to the modulation magnet 9.
- a blower 3 is arranged in the exhaust gas guide 11, the speed of which is determined by a Hall sensor 2 is monitored.
- This Hall sensor 2 is connected to a speed controller 22 via a signal line 5 connected.
- the control electronics 7 is connected via a control line 6 to the speed controller 22 which is in turn connected to the blower 3 via voltage supply lines 21.
- a pressure measuring point 14 is arranged in the exhaust gas guide 11 and is connected to a pressure switch 1 connected, which switches when a certain pressure is reached. It is about Pressure measuring point 14, which can be formed by a Pitot tube, the pressure in the exhaust gas duct 11 detected.
- the pressure switch 1 is connected to the control electronics 7 via a signal line 4.
- the standard characteristic curve 30 shown in FIG. 3 - speed as a function of the burner output Q - is determined from the air ratio requirement of the device with regard to condensation behavior, freedom from pollutants and flame stability under standard conditions in laboratory tests and is stored as table 41 in the control electronics 7 (FIG. 4).
- a typical characteristic curve is shown in FIG. 3.
- This standard characteristic curve 30 represents the course in which optimum emission values result under standard installation conditions. To determine it, the burner 16 is put into operation and the load is varied over the entire modulation range. The speed is then determined at each operating point, at which the CO and NO x emissions reach the required values, over-ignition is still guaranteed and, on the other hand, no condensate is yet generated in the exhaust pipe.
- Typical characteristic curves are shown in FIG. 3, with the standard characteristic curve 30 according to the installation 2a correlates, the operating characteristic 31 with FIG. 2b and the operating characteristic 32 with FIG. 2c.
- a heating device 23 can be different Designed air exhaust systems 24 may be provided by a fresh air supply 20 and are formed by this enclosed exhaust duct 11 and a blower 3. So it can Air exhaust system 24 angled (Fig. 2a, 2b) or straight (Fig. 2c). Moreover The length of the air exhaust system 24 can vary considerably (FIGS. 2a, 2b), which results in significant differences in the flow resistance of the air exhaust system 24 result.
- a correction factor is determined from the speed at the switching point of the pressure switch 1, with which 30 operating characteristics from the standard characteristics stored in the control electronics 7 be determined.
- the control of the modulation magnet 9 and thus the gas supply to Burner 16 and the speed of the fan 3 is according to these operating characteristics of the Control electronics 7 controlled.
- the control deviation is defined as the deviation of the actual flow temperature, measured by the temperature sensor 34 to the setpoint that the controller 7 uses via the adjuster 43 is specified.
- This adjuster 43 can be an outside temperature sensor that has a Line 44 is connected to a microprocessor ⁇ P of the controller 7, or a fixed value.
- the Microprocessor ⁇ P has access to all tables via data lines 45, 46 and 47. Furthermore is the microprocessor ⁇ P with all actual values and the target value transmitter via signal lines 33 connected.
- controller 7 has a flame monitoring and ignition device 28 which via lines 27 and 29 with a sensor, not shown, and also not shown electrode is connected.
- the edge characteristics 31 and 32 define the highest and lowest speed, respectively that safe burner operation is possible within the field between these limit characteristics is. Too much excess air would cause the flames to rise and thus become one imperfect combustion and a too small air flow to one incomplete combustion with carbon monoxide components.
- a correction factor is determined from the speed at the switching point of the pressure switch 1, with which Operating characteristics are calculated from the standard characteristics stored in the controller 7 become.
- the control of the modulation magnet 9 and thus the gas supply to the burner 16 and The speed of the blower 3 is controlled by the controller 7 according to these operating characteristics.
- measurements for adapting the Heating device carried out in such a way that after the burner 16 is switched off Blower 3 for a certain minimum time, e.g. can be a minute with his maximum speed or power is operated, whereby the temperature of the Air volume flow at the pressure measuring system, the flow temperature of the device measured in the device Aligned primary heat exchanger so that depending on the measured flow and / or or return temperature of the primary heat exchanger to the temperature of the Air volume flow can be closed. Then the speed of the fan 3 is up the starting speed is reduced and then slowly until the intended speed is reached Pressure value increased. The result of a measurement is the lead and / or Return temperature of the primary heat exchanger 13 calculates a temperature correction function, with the corrected speed is calculated from the determined speed, which is used for Determination of the operating characteristics is used.
- a certain minimum time e.g. can be a minute with his maximum speed or power
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Regulation And Control Of Combustion (AREA)
- Air Supply (AREA)
- Chimneys And Flues (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
Description
Claims (1)
- Verfahren zur Anpassung eines brennerbeheizten, einen Primär-Wärmetauscher (13) aufweisenden Heizgerätes (23) an ein diesem zugeordnetes Luft-Abgassystem (24), das mit einem Gebläse (3) versehen ist, wobei das Heizgerät (23) eine in Abhängigkeit vom jeweiligen Wärmebedarf arbeitende Gasregeleinrichtung (7, 18) und eine Druckmeßstelle (14) aufweist, die mit der Gasregeleinrichtung (7, 18) in Verbindung steht, die die Gaszufuhr erst bei Erreichen eines bestimmten Druckwertes im Luft-Abgassystem (24) freigibt, wobei zur Ermittlung dieses Druckwertes die Drehzahl des Gebläses (3) ausgehend von einer Startdrehzahl, bei der der für die Freigabe der Gaszufuhr vorgesehene Druckwert auch bei kürzester Länge des Luft-Abgassystems (24) nicht erreicht wird, langsam gesteigert wird bis der vorgesehene Druckwert erreicht ist, wonach aus der Drehzahl, bei der dieser Wert erreicht wurde, ein Korrekturfaktor ermittelt wird, mit dem aus Standardkennlinien Betriebskennlinien errechnet werden, nach denen die Gasregeleinrichtung (7, 18) arbeitet, dadurch gekennzeichnet, dass das Gebläse (3) für eine vorbestimmte Mindestzeit (tmin) mit einer vorgegebenen, vorzugsweise maximalen Drehzahl bzw. Leistung betrieben wird, bevor seine Drehzahl auf die Startdrehzahl eingestellt und danach langsam bis zur Erreichung des vorgesehenen Druckwertes gesteigert wird, wobei aus dem Ergebnis einer Messung der Vorlauf- und/bzw. oder der Rücklauftemperatur des Primär-Wärmetauschers (13) eine Temperatur-Korrekturfunktion errechnet wird, mit der aus der ermittelten Drehzahl eine korrigierte Drehzahl errechnet wird, die zur Ermittlung der Betriebskennlinien eingesetzt wird.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT8002001 | 2001-05-21 | ||
| AT0080001A AT410477B (de) | 2001-05-21 | 2001-05-21 | Verfahren zur anpassung eines brennerbeheizten heizgerätes an ein luft-abgassystem |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1260766A2 true EP1260766A2 (de) | 2002-11-27 |
| EP1260766A3 EP1260766A3 (de) | 2004-12-08 |
| EP1260766B1 EP1260766B1 (de) | 2008-04-23 |
Family
ID=3681137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02010791A Expired - Lifetime EP1260766B1 (de) | 2001-05-21 | 2002-05-15 | Verfahren zur Anpassung eines brennerbeheizten Heizgerätes an ein Luft-Abgassystem |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1260766B1 (de) |
| AT (2) | AT410477B (de) |
| DE (2) | DE10222770A1 (de) |
| DK (1) | DK1260766T3 (de) |
| ES (1) | ES2304408T3 (de) |
| PT (1) | PT1260766E (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4134588A1 (de) * | 2021-04-15 | 2023-02-15 | Vaillant GmbH | Verfahren zum prüfen einer abgasanlage eines heizgerätes |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19847448A1 (de) | 1997-10-08 | 1999-04-22 | Vaillant Joh Gmbh & Co | Verfahren zur Anpassung eines brennerbeheizten Heizgerätes |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19510425C2 (de) * | 1995-03-24 | 1999-05-27 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Regelung eines Heizgerätes |
| DE19607854A1 (de) * | 1996-03-01 | 1997-09-04 | Bosch Gmbh Robert | Heizgerät und Verfahren zur Regelung eines Heizgerätes |
| DE19846207C2 (de) * | 1998-08-19 | 2000-10-26 | Wolf Gmbh | Vorrichtung und Verfahren zur Einstellung der Drehzahl eines Gebläses einer Gasheizeinrichtung, wie insbesondere einer Gastherme |
| DE19961285C1 (de) * | 1999-12-18 | 2001-06-28 | Bosch Gmbh Robert | Verfahren zum Regeln eines Wärmeerzeugers mit einer Luft-Abgas-Führung |
-
2001
- 2001-05-21 AT AT0080001A patent/AT410477B/de not_active IP Right Cessation
-
2002
- 2002-05-15 EP EP02010791A patent/EP1260766B1/de not_active Expired - Lifetime
- 2002-05-15 DE DE10222770A patent/DE10222770A1/de not_active Withdrawn
- 2002-05-15 DK DK02010791T patent/DK1260766T3/da active
- 2002-05-15 ES ES02010791T patent/ES2304408T3/es not_active Expired - Lifetime
- 2002-05-15 AT AT02010791T patent/ATE393361T1/de active
- 2002-05-15 PT PT02010791T patent/PT1260766E/pt unknown
- 2002-05-15 DE DE50212130T patent/DE50212130D1/de not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19847448A1 (de) | 1997-10-08 | 1999-04-22 | Vaillant Joh Gmbh & Co | Verfahren zur Anpassung eines brennerbeheizten Heizgerätes |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4134588A1 (de) * | 2021-04-15 | 2023-02-15 | Vaillant GmbH | Verfahren zum prüfen einer abgasanlage eines heizgerätes |
Also Published As
| Publication number | Publication date |
|---|---|
| DK1260766T3 (da) | 2008-08-25 |
| EP1260766B1 (de) | 2008-04-23 |
| EP1260766A3 (de) | 2004-12-08 |
| PT1260766E (pt) | 2008-07-07 |
| DE10222770A1 (de) | 2002-12-05 |
| DE50212130D1 (de) | 2008-06-05 |
| ATE393361T1 (de) | 2008-05-15 |
| ATA8002001A (de) | 2002-09-15 |
| ES2304408T3 (es) | 2008-10-16 |
| AT410477B (de) | 2003-05-26 |
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