EP1236957A2 - Process and device for adapting a burner-activated heating apparatus to an air-flue gas system - Google Patents

Process and device for adapting a burner-activated heating apparatus to an air-flue gas system Download PDF

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Publication number
EP1236957A2
EP1236957A2 EP01123490A EP01123490A EP1236957A2 EP 1236957 A2 EP1236957 A2 EP 1236957A2 EP 01123490 A EP01123490 A EP 01123490A EP 01123490 A EP01123490 A EP 01123490A EP 1236957 A2 EP1236957 A2 EP 1236957A2
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EP
European Patent Office
Prior art keywords
air
volume flow
air volume
burner
exhaust gas
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Granted
Application number
EP01123490A
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German (de)
French (fr)
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EP1236957A3 (en
EP1236957B1 (en
Inventor
Marc Rosenland
Markus Rotert
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Robert Bosch GmbH
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Robert Bosch GmbH
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
    • F23L17/005—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues using fans
    • 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
    • F23N1/00—Regulating fuel supply
    • F23N1/02—Regulating fuel supply conjointly with air supply
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00—Measuring
    • F23N2225/08—Measuring temperature
    • F23N2225/18—Measuring temperature feedwater temperature
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/16—Fuel valves variable flow or proportional valves

Definitions

  • the invention relates to a method and a device to adapt a burner-operated heater to Air exhaust system according to the generic term of the independent Expectations.
  • the object of the present invention is that independent the location-specific flow resistances of the air-exhaust pipe system same air conditions for one complete combustion exist, adjusting the Heating device to the site-specific air and exhaust pipe system with a simple control device should be done.
  • the inventive method and the inventive Device have the advantage of being simple Control device can be used.
  • Through use of the air volume flow as a controlled variable and as Functional parameter of the operating characteristic is a constant Adaptation of the current air volume flow to the required air volume flow possible without a correction the operating characteristic when installing the heater to have to perform. Consequently, it is not a speed sensor necessary for the blower.
  • the operation of the heater is at changing conditions, e.g. in case of wind the exhaust system occurring can be improved since the Pressure conditions are continuously recorded. This will an almost constant air ratio of the exhaust gas is guaranteed.
  • the use of a sensor to detect the Air volume flow also enables the detection of combustion-related faults and thus the implementation of countermeasures, such as the change of Primary air ratio.
  • FIG. 1 An embodiment of the invention is in the drawing shown and in the description below explained.
  • the figure shows a schematic representation a heater and Figure 2 is an illustration of a Operating characteristic curve for controlling the heater.
  • the heating device in FIG. 1 has a burner 10, which is arranged in a combustion chamber 12.
  • the burner 10 communicates with a gas line 18 into which one Gas control device 19 is installed. Via the gas line 18 the burner 10 is supplied with the fuel gas.
  • To the combustion chamber 12 leads an air supply 14, via the combustion air is fed to the burner 10.
  • the air supply 14 surrounds for example coaxially an exhaust gas discharge 16, which is connected to a Exhaust pipe, not shown, e.g. B. chimney connected is to discharge the exhaust gas into the atmosphere.
  • the Air supply 14 with air pipe and the exhaust gas discharge 16 with Exhaust pipe form an air-exhaust pipe system.
  • a heat exchanger 20 is acted upon by the exhaust gases via a flow line 21 and a return line 22 with a radiator arrangement, not shown, in connection stands.
  • a radiator arrangement not shown, in connection stands.
  • Above the heat exchanger 20 is an exhaust gas hood 24 arranged, which passes to the exhaust gas discharge 16.
  • a fan 26 is arranged in the exhaust gas discharge 16 sucks the exhaust gas out of the combustion chamber 12 and through the suction a corresponding volume flow of combustion air Feeds burner 10.
  • the blower 26 can also in the Air supply 14 may be arranged.
  • a pressure sensor is, for example, in the air supply 14 28 arranged, the of the supplied combustion air built up pressure constantly. The recorded pressure indicates a current air volume flow, the is fed to the burner 10. But it is also possible the pressure sensor 28 within the exhaust gas discharge 16 to arrange. It is also conceivable to replace the Pressure sensor to use an air mass sensor with which the instantaneous air volume flow can be determined directly.
  • the heater also has a Control device 30, which is connected via a first signal line 31 with the gas control device 19, via a second Signal line 32 with the blower 26 and a third Signal line 32 is connected to the pressure sensor 28. Finally, a fourth signal line 34 is provided leads to a temperature sensor 35.
  • the required heating output requires a corresponding one Burner power Q of the burner 10 and this one corresponding fuel gas supply and a corresponding Air volume flow of the combustion air.
  • An operating characteristic 40 for the required burner output Q is derived from the requirements for the air ratio in the exhaust gas of the Heater taking into account the flame stability and for condensing boilers also taking into account the Condensation behavior depending on the required Heating power necessary to cover the heat requirement is determined.
  • the operating characteristic 40 shown in FIG. 2 represents the required air volume flow as a function of pressure p over the burner output Q.
  • the operating characteristic 40 is stored in the control device 30.
  • the current air volume flow with a corresponding The pressure value is correlated using the pressure sensor 28 continuously determined.
  • the measured pressure value is over the Signal line 33 supplied to the control device 30 and in the control device 30 with the required pressure value p the operating characteristic 40 compared and on the required air volume flow adjusted, the required pressure value the required air volume flow represented for optimal combustion.
  • the adjustment of the measured instantaneous pressure value to the required pressure value p of the operating characteristic 40 takes place about a corresponding tracking of the performance of the Blower 26, so that the instantaneous air volume flow the required air volume flow is tracked.
  • the pressure measurement carried out with the pressure sensor 28 can also contain a temperature compensation with which the Control behavior at high temperatures in the Combustion air is further improved. Is to for example a temperature sensor in the pressure sensor integrated.

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  • 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)

Abstract

Process for adapting a burner-operated heating device to an air/exhaust gas system containing a burner (10), an air feed (14), an exhaust gas removal system (16), a fan (26), and a regulating device (30) regulating the fan to produce an air flow volume required for a specific burner output comprises measuring an instantaneous air volume flow in the air/exhaust gas system and adjusting it to the required air volume flow. An Independent claim is also included for a device for carrying out the above process. Preferred Features: The instantaneous air volume flow is recorded as pressure.

Description

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur Anpassung eines brennerbetriebenen Heizgerätes an ein Luft-Abgas-System nach dem Oberbegriff der unabhängigen Ansprüche.The invention relates to a method and a device to adapt a burner-operated heater to Air exhaust system according to the generic term of the independent Expectations.

Stand der TechnikState of the art

Bei brennerbetriebenen Heizgeräten mit unterstützter Luft-Abgas-Führung hat die Länge des angeschlossenen Luft-Abgas-Systems einen erheblichen Einfluß auf die Verbrennung sowie auf das Kondensations- und Zündverhalten des Heizgerätes, da die spezifischen Strömungswiderstände der Luftzuführung und der Abgasabführung standortbedingt durch die Rohrlängen, die Anzahl der Rohrbögen und anderer baulicher Maßnahmen des Luft-Abgas-Rohrleitungssystems verschieden sind. Daher ist eine Anpassung der Heizgeräte an das standortspezifische Luft-Abgas-System erforderlich.For burner-operated heaters with supported air-exhaust gas routing has the length of the connected air-exhaust system a significant impact on combustion as well on the condensation and ignition behavior of the heater, because the specific flow resistances of the air supply and the exhaust gas discharge due to the location due to the pipe lengths Number of pipe bends and other structural measures of the Air-exhaust pipe system are different. thats why an adaptation of the heaters to the site-specific Air exhaust system required.

Bekannt ist z.B. durch den Einbau von zusätzlichen Blenden in das Luft-Abgas-System, den Strömungswiderstand auf einen entsprechenden Wert zu heben, auf den die Betriebskennlinie des Heizgerätes eingestellt ist, wobei die Betriebskennlinie eine optimale Verbrennung bei verschieden Heizleistungen gewährleistet.It is known e.g. by installing additional panels in the air-exhaust system, the flow resistance to one corresponding value to which the operating characteristic of the heater is set, the operating characteristic optimal combustion with different heating capacities guaranteed.

Um auf den Einbau von zusätzlichen Strömungswiderständen im Luft- Abgas-System zu verzichten, ist aus der DE 198 47 448 A1 bekannt, bei einer ersten Inbetriebnahme des Heizgerätes die Drehzahl des Gebläses, ausgehend von einer Start-Drehzahl, bei der der für die Freigabe der Gaszufuhr vorgesehene Druckwert auch bei kürzester Länge des Luft-Abgas-Systems nicht erreicht wird, langsam zu steigern, bis der vorgesehene Druckwert erreicht ist, und aus der Drehzahl des Gebläses, bei der dieser Wert erreicht wurde, ein Korrekturfaktor zu ermitteln, mit dem aus Standardkennlinien Betriebskennlinien berechnet werden, nach denen die Gasregeleinrichtung geführt wird. Zur Aufnahme der Drehzahl des Gebläses ist dabei ein Drehzahlgeber für das Gebläse notwendig. Bei diesem Verfahren erfolgt bei der Inbetriebnahme des Heizgerätes somit eine Anpassung der Betriebskennlinie an die standortspezifischen Strömungsbedingungen des Luft-Abgas-Rohrleitungssystems.To the installation of additional flow resistances in the To dispense with the air-exhaust gas system is known from DE 198 47 448 A1 known when the heater is started up for the first time the speed of the fan, starting from a starting speed, at which the for the release of the gas supply provided pressure value even with the shortest length of the air-exhaust system is not achieved, slowly increase until the intended pressure value has been reached, and from the speed of the fan at which this value was reached To determine the correction factor using the standard characteristic curves Operating characteristics are calculated, according to which the Gas control device is performed. To record the speed of the blower is a speed sensor for the blower necessary. This procedure takes place at the Commissioning the heater thus an adaptation of the Operating characteristic to the site-specific Air exhaust pipe system flow conditions.

Aufgabe der vorliegenden Erfindung ist es, dass unabhängig von den standortspezifischen Strömungswiderständen des Luft-Abgas-Rohrleitungssystems gleiche Luftverhältnisse für eine vollständige Verbrennung vorliegen, wobei die Anpassung der Heizeinrichtung an das standortspezifische Luft- und Abgas-Rohrleitungssystem mit einer einfachen Regeleinrichtung erfolgen soll.The object of the present invention is that independent the location-specific flow resistances of the air-exhaust pipe system same air conditions for one complete combustion exist, adjusting the Heating device to the site-specific air and exhaust pipe system with a simple control device should be done.

Vorteile der ErfindungAdvantages of the invention

Das erfindungsgemäße Verfahren und die erfindungsgemäße Vorrichtung haben den Vorteil, dass eine einfache Regeleinrichtung verwendet werden kann. Durch die Nutzung des Luftvolumenstromes als Regelgröße und als Funktionsparameter der Betriebskennlinie ist eine ständige Anpassung des momentanen Luftvolumenstromes an den erforderlichen Luftvolumenstrom möglich, ohne eine Korrektur der Betriebskennlinie bei der Installation des Heizgerätes durchführen zu müssen. Folglich ist auch kein Drehzahlgeber für das Gebläse notwendig.The inventive method and the inventive Device have the advantage of being simple Control device can be used. Through use of the air volume flow as a controlled variable and as Functional parameter of the operating characteristic is a constant Adaptation of the current air volume flow to the required air volume flow possible without a correction the operating characteristic when installing the heater to have to perform. Consequently, it is not a speed sensor necessary for the blower.

Darüber hinaus wird der Betrieb des Heizgerätes bei wechselnden Verhältnissen, welche z.B. bei Windeinfall in das Abgassystem auftretenden können, verbessert, da die Druckverhältnisse kontinuierlich erfaßt werden. Dadurch wird eine nahezu konstante Luftzahl des Abgases gewährleistet. Der Einsatz eines Sensors zur Erfassung des Luftvolumenstromes ermöglicht zudem das Erkennen von verbrennungsbedingten Störungen und somit das Durchführen von Gegenmaßnahmen, wie z.B. die Änderung der Primärluftzahl.In addition, the operation of the heater is at changing conditions, e.g. in case of wind the exhaust system occurring can be improved since the Pressure conditions are continuously recorded. This will an almost constant air ratio of the exhaust gas is guaranteed. The use of a sensor to detect the Air volume flow also enables the detection of combustion-related faults and thus the implementation of countermeasures, such as the change of Primary air ratio.

Durch die in den Unteransprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen des Verfahrens und der Vorrichtung möglich. Besonders vorteilhaft ist es, zum Abgleich des momentanen Luftvolumenstrom auf den erforderlichen Luftvolumenstrom eine Betriebskennlinie einzusetzen, die die Brennerleistung als Funktion des Luftvolumenstromes angibt. Zweckmäßig ist ferner, zur Bestimmung des momentanen Luftvolumenstroms einen Drucksensor einzusetzen. Das Regelverhalten bei großen Temperaturunterschieden in der Verbrennungsluft kann dadurch weiter verbessert werden, wenn die Luftvolumenstrommessung zusätzlich mit einer Temperaturkompensation kombiniert wird. Darüber hinaus kann zweckmäßigerweise vorgesehen werden, die zuletzt erfassten Werte zu speichern und bei Ausfall des Drucksensors auf diese zurückzugreifen, wodurch auch die Notlaufeigenschaften gewährleistet sind. Dadurch bedingt ein Ausfall des Drucksensors nicht zwangsläufig die Stillsetzung des Heizgerätes.By the measures listed in the subclaims advantageous developments of the method and Device possible. It is particularly advantageous to Adjustment of the current air volume flow to the required air volume flow an operating characteristic use the burner output as a function of Air volume flow indicates. It is also useful to Determination of the current air volume flow Pressure sensor. The control behavior with large This can cause temperature differences in the combustion air be further improved if the air volume flow measurement is also combined with temperature compensation. In addition, it can be conveniently provided that save the last recorded values and if the Pressure sensor to access this, which also the Emergency running properties are guaranteed. This causes a Failure of the pressure sensor does not necessarily mean stopping of the heater.

Zeichnungdrawing

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und in der nachfolgenden Beschreibung näher erläutert. Die Figur zeigt eine schematische Darstellung eines Heizgerätes und Figur 2 eine Darstellung einer Betriebskennlinie zur Regelung des Heizgerätes.An embodiment of the invention is in the drawing shown and in the description below explained. The figure shows a schematic representation a heater and Figure 2 is an illustration of a Operating characteristic curve for controlling the heater.

Ausführungsbeispielembodiment

Die Heizeinrichtung in Figur 1 weist einen Brenner 10 auf, der in einer Brennkammer 12 angeordnet ist. Der Brenner 10 steht mit einer Gasleitung 18 in Verbindung, in die eine Gasregeleinrichtung 19 eingebaut ist. Über die Gasleitung 18 wird dem Brenner 10 das Brenngas zugeführt. Zur Brennkammer 12 führt eine Luftzuführung 14, über die Verbrennungsluft dem Brenner 10 zugeführt wird. Die Luftzuführung 14 umgibt beispielsweise koaxial eine Abgasabführung 16, die mit einem nicht dargestellten Abgasrohr, z. B. Schornstein, verbunden ist, um das Abgas in die Atmosphäre abzuleiten. Die Luftzuführung 14 mit Luftrohr und die Abgasabführung 16 mit Abgasrohr bilden ein Luft-Abgas-Rohrleitungssystem.The heating device in FIG. 1 has a burner 10, which is arranged in a combustion chamber 12. The burner 10 communicates with a gas line 18 into which one Gas control device 19 is installed. Via the gas line 18 the burner 10 is supplied with the fuel gas. To the combustion chamber 12 leads an air supply 14, via the combustion air is fed to the burner 10. The air supply 14 surrounds for example coaxially an exhaust gas discharge 16, which is connected to a Exhaust pipe, not shown, e.g. B. chimney connected is to discharge the exhaust gas into the atmosphere. The Air supply 14 with air pipe and the exhaust gas discharge 16 with Exhaust pipe form an air-exhaust pipe system.

Von den Abgasen wird ein Wärmetauscher 20 beaufschlagt, der über eine Vorlaufleitung 21 und eine Rücklaufleitung 22 mit einer nicht dargestellten Heizkörperanordnung in Verbindung steht. Über dem Wärmetauscher 20 ist eine Abgassammelhaube 24 angeordnet, die zur Abgasabführung 16 übergeht.A heat exchanger 20 is acted upon by the exhaust gases via a flow line 21 and a return line 22 with a radiator arrangement, not shown, in connection stands. Above the heat exchanger 20 is an exhaust gas hood 24 arranged, which passes to the exhaust gas discharge 16.

In der Abgasabführung 16 ist ein Gebläse 26 angeordnet, das das Abgas aus der Brennkammer 12 absaugt und durch den Sog einen entsprechenden Volumenstrom Verbrennungsluft dem Brenner 10 zuführt. Das Gebläse 26 kann aber auch in der Luftzuführung 14 angeordnet sein.A fan 26 is arranged in the exhaust gas discharge 16 sucks the exhaust gas out of the combustion chamber 12 and through the suction a corresponding volume flow of combustion air Feeds burner 10. The blower 26 can also in the Air supply 14 may be arranged.

In der Luftzuführung 14 ist beispielsweise ein Drucksensors 28 angeordnet, der den von der zugeführten Verbrennungsluft aufgebauten Druck stetig aufnimmt. Der aufgenommene Druck gibt Aufschluss auf einen momentanen Luftvolumenstrom, der dem Brenner 10 zugeführt wird. Es ist aber genauso möglich den Drucksensor 28 innerhalb der Abgasabführung 16 anzuordnen. Außerdem ist es denkbar, anstelle des Drucksensors einen Luftmassensensor einzusetzen, mit dem der momentane Luftvolumenstrom direkt bestimmbar ist.A pressure sensor is, for example, in the air supply 14 28 arranged, the of the supplied combustion air built up pressure constantly. The recorded pressure indicates a current air volume flow, the is fed to the burner 10. But it is also possible the pressure sensor 28 within the exhaust gas discharge 16 to arrange. It is also conceivable to replace the Pressure sensor to use an air mass sensor with which the instantaneous air volume flow can be determined directly.

Die Heizeinrichtung verfügt ferner über eine Regeleinrichtung 30, die über eine erste Signalleitung 31 mit der Gasregeleinrichtung 19, über eine zweite Signalleitung 32 mit dem Gebläse 26 und über eine dritte Signalleitung 32 mit dem Drucksensors 28 verbunden ist. Schließlich ist eine vierte Signalleitung 34 vorgesehen, die zu einem Temperaturfühler 35 führt.The heater also has a Control device 30, which is connected via a first signal line 31 with the gas control device 19, via a second Signal line 32 with the blower 26 and a third Signal line 32 is connected to the pressure sensor 28. Finally, a fourth signal line 34 is provided leads to a temperature sensor 35.

Zum Erreichen der optimalen Verbrennungswerte bzw. Luftzahl im Abgas benötigt die in Abhängigkeit vom Modulationsgrad bzw. der Heizleistung erforderliche Gaszufuhr einen entsprechenden Luftvolumenstrom der Verbrennungsluft, d.h. die geforderte Heizleistung erfordert eine entsprechende Brennerleistung Q des Brenners 10 und diese eine entsprechende Brenngaszufuhr und einen entsprechenden Luftvolumenstrom der Verbrennungsluft.To achieve the optimal combustion values or air ratio in the exhaust gas depends on the degree of modulation or the heating power required gas supply corresponding air volume flow of the combustion air, i.e. the required heating output requires a corresponding one Burner power Q of the burner 10 and this one corresponding fuel gas supply and a corresponding Air volume flow of the combustion air.

Eine Betriebskennlinie 40 für die geforderte Brennerleistung Q wird aus den Anforderungen an die Luftzahl im Abgas des Heizgerätes unter Berücksichtigung der Flammenstabilität und bei Brennwertgeräten ferner unter Berücksichtigung des Kondensationsverhaltens in Abhängigkeit von der geforderten Heizleistung, die zur Deckung des Wärmebedarfs notwendig ist, ermittelt.An operating characteristic 40 for the required burner output Q is derived from the requirements for the air ratio in the exhaust gas of the Heater taking into account the flame stability and for condensing boilers also taking into account the Condensation behavior depending on the required Heating power necessary to cover the heat requirement is determined.

Die in Figur 2 dargestellte Betriebskennlinie 40 stellt den erforderlichen Luftvolumenstrom als Funktion des Drucks p über der Brennerleistung Q dar. Die Betriebskennlinie 40 ist in der Regeleinrichtung 30 abgelegt.The operating characteristic 40 shown in FIG. 2 represents the required air volume flow as a function of pressure p over the burner output Q. The operating characteristic 40 is stored in the control device 30.

Der momentane Luftvolumenstrom, der mit einem entsprechenden Druckwert korreliert, wird mittels des Drucksensors 28 stetig ermittelt. Der gemessene Druckwert wird über die Signalleitung 33 der Regeleinrichtung 30 zugeführt und in der Regeleinrichtung 30 mit dem erforderlichen Druckwert p der Betriebskennlinie 40 verglichen und auf den erforderlichen Luftvolumenstrom abgeglichen, wobei der erforderliche Druckwert den erforderlichen Luftvolumenstrom für die optimale Verbrennung repräsentiert.The current air volume flow with a corresponding The pressure value is correlated using the pressure sensor 28 continuously determined. The measured pressure value is over the Signal line 33 supplied to the control device 30 and in the control device 30 with the required pressure value p the operating characteristic 40 compared and on the required air volume flow adjusted, the required pressure value the required air volume flow represented for optimal combustion.

Der Abgleich des gemessenen momentanen Druckwertes auf den erforderlichen Druckwert p der Betriebskennlinie 40 erfolgt über eine entsprechende Nachführung der Leistung des Gebläses 26, so dass ständig der momentane Luftvolumenstrom dem erforderlichen Luftvolumenstrom nachgeführt wird. Dadurch wird die Luftzahl der Verbrennung unabhängig vom Luft-Abgas-Rohrleitungssystem eingehalten. Auch Änderungen der Strömungsbedingungen im Luft-Abgas-Rohrleitungssystem währende des Betriebes der Heizeinrichtung werden dadurch berücksichtigt und kompensiert. Auf diese Weise ist ein optimaler Betrieb der Heizeinrichtung unter den standortspezifischen Bedingungen des Luft-Abgas-Systems möglich.The adjustment of the measured instantaneous pressure value to the required pressure value p of the operating characteristic 40 takes place about a corresponding tracking of the performance of the Blower 26, so that the instantaneous air volume flow the required air volume flow is tracked. This makes the combustion air ratio independent of Air-exhaust pipe system complied with. Changes too the flow conditions in the air-exhaust pipe system during the operation of the heating device taken into account and compensated. That way is a optimal operation of the heating device among the site-specific conditions of the air-exhaust system possible.

Die mit dem Drucksensors 28 durchgeführte Druckmessung kann zudem eine Temperaturkompensation enthalten, mit der das Regelverhalten bei großen Temperaturen in der Verbrennungsluft weiter verbessert wird. Dazu ist beispielsweise ein Temperatursensor in den Drucksensor integriert.The pressure measurement carried out with the pressure sensor 28 can also contain a temperature compensation with which the Control behavior at high temperatures in the Combustion air is further improved. Is to for example a temperature sensor in the pressure sensor integrated.

Claims (10)

Verfahren zur Anpassung eines brennerbetriebenen Heizgerätes an ein Luft-Abgas-System, das einen Brenner, ein Luftzuführung für Verbrennungsluft, eine Abgasabführung für das Abgas, ein Gebläse im Luft-Abgas-System und eine Regeleinrichtung aufweist, wobei die Regeleinrichtung das Gebläse derart regelt, dass ein für eine geforderte Brennerleistung erforderlicher Luftvolumenstrom bereitgestellt wird, dadurch gekennzeichnet, dass ein momentaner Luftvolumenstrom im Luft-Abgas-System gemessen und auf den erforderlichen Luftvolumenstrom abgeglichen wird.Method for adapting a burner-operated heating device to an air-exhaust gas system, which has a burner, an air supply for combustion air, an exhaust gas discharge for the exhaust gas, a blower in the air-exhaust gas system and a control device, the control device regulating the blower in this way, that an air volume flow required for a required burner output is provided, characterized in that a current air volume flow is measured in the air-exhaust gas system and adjusted to the required air volume flow. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass der Abgleich des momentanen Luftvolumenstroms auf den erforderlichen Luftvolumenstrom anhand einer in der Regeleinrichtung abgelegten Betriebskennlinie erfolgt.Method according to Claim 1, characterized in that the instantaneous air volume flow is compared to the required air volume flow on the basis of an operating characteristic curve stored in the control device. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass zum Abgleich des momentanen Luftvolumenstroms auf den erforderlichen Luftvolumenstrom der Betriebskennlinie die Leistung des Gebläses entsprechend nachgeführt wird.A method according to claim 2, characterized in that the power of the blower is adjusted accordingly to adjust the instantaneous air volume flow to the required air volume flow of the operating characteristic. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass die Betriebskennlinie den erforderlichen Luftvolumenstrom als Funktion des Drucks in Abhängigkeit von der Brennerleistung angibt.A method according to claim 2, characterized in that the operating characteristic indicates the required air volume flow as a function of the pressure as a function of the burner output. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass der momentane Luftvolumenstrom als Druck aufgenommen wird.A method according to claim 1, characterized in that the current air volume flow is recorded as a pressure. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Bestimmung des momentanen Luftvolumenstroms mit einer Temperaturkompensation versehen wird.A method according to claim 1, characterized in that the determination of the instantaneous air volume flow is provided with a temperature compensation. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die zuletzt erfassten Werte des momentanen Luftvolumenstroms gespeichert werden und bei Ausfall des Sensors auf diese zurückgegriffen wird.Method according to Claim 1, characterized in that the values of the instantaneous air volume flow recorded last are stored and are used when the sensor fails. Vorrichtung zur Anpassung eines brennerbeheizten Heizgerätes an ein Luft-Abgas-System, mit einem Brenner, der mit Brenngas und mit Verbrennungsluft versorgt wird, einer Luftzuführung für die Verbrennungsluft, einer Abgasabführung für das Abgas, und einem Gebläse im Luft-Abgas-System sowie mit einer Regeleinrichtung, wobei die Regeleinrichtung das Gebläse derart regelt, dass ein für eine geforderte Brennerleistung erforderlicher Luftvolumenstrom bereitgestellt wird, und wobei in der Regeleinrichtung eine Betriebskennlinie abgelegt ist, die den erforderlichen Luftvolumenstrom für eine optimale Verbrennung bei verschiedenen Brennerleistungen angibt, dadurch gekennzeichnet, dass ein im Luft-Abgas-System positionierter Sensor einen momentanen Luftvolumenstrom aufnimmt und dass die Regeleinrichtung (30) den momentanen Luftvolumenstrom auf den erforderlichen Luftvolumenstrom der Betriebskennlinie (40) über eine Nachführung der Leistung des Gebläses (26) abgleicht. Device for adapting a burner-heated heater to an air-exhaust system, with a burner that is supplied with fuel gas and with combustion air, an air supply for the combustion air, an exhaust gas discharge for the exhaust gas, and a fan in the air-exhaust system and with a control device, wherein the control device controls the blower in such a way that an air volume flow required for a required burner output is provided, and wherein an operating characteristic curve is stored in the control device that indicates the required air volume flow for optimal combustion at different burner outputs, characterized in that a Sensor positioned in the air-exhaust system records an instantaneous air volume flow and that the control device (30) adjusts the instantaneous air volume flow to the required air volume flow of the operating characteristic (40) by tracking the power of the blower (26). Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass als Sensor zur Bestimmung des momentanen Luftvolumenstroms ein Drucksensor oder ein Luftmassensensor vorgesehen ist.Apparatus according to claim 7, characterized in that a pressure sensor or an air mass sensor is provided as a sensor for determining the current air volume flow. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass der Sensor (28) in der Luftzuführung (14) und/oder in der Abgasabführung (16) angeordnet ist.Apparatus according to claim 7, characterized in that the sensor (28) is arranged in the air supply (14) and / or in the exhaust gas discharge (16).
EP01123490A 2001-03-01 2001-09-28 Process and device for adapting a burner-activated heating apparatus to an air-flue gas system Expired - Lifetime EP1236957B1 (en)

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EP1333227A3 (en) * 2002-01-31 2004-07-07 Robert Bosch Gmbh Method to adapt a heating device including a burner to its dedicated air-/exhaust system
EP1519113A3 (en) * 2003-09-23 2005-09-21 Vaillant GmbH Method for adapting the heating power of a blower-supported heater to the individual pressure losses of a fresh air/exhaust gas pipe system
EP1619445A1 (en) * 2004-07-21 2006-01-25 Ln 2 S.R.L. Wall-hung sealed combustion boiler with external economiser device
EP1701096A1 (en) * 2005-03-10 2006-09-13 Vaillant GmbH Method for adapting the heater power of a blower-supported heater to the individual pressure losses of a fresh air/exhaust gas pipe
EP3260783A1 (en) * 2016-06-24 2017-12-27 Robert Bosch GmbH Method for determining the operational data of a gas heating device, gas heating device and computer program product
US10352562B2 (en) 2016-09-30 2019-07-16 Siemens Aktiengesellschaft Combustion device with a side duct for measuring turbulent flows
NO20221396A1 (en) * 2021-12-23 2023-06-26 Pipeeksperten As A chimney control assembly for minimizing particle emission in a fuel burning heating device and a method for minimizing particle emission in a fuel burning heating device

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EP1333227A3 (en) * 2002-01-31 2004-07-07 Robert Bosch Gmbh Method to adapt a heating device including a burner to its dedicated air-/exhaust system
EP1519113A3 (en) * 2003-09-23 2005-09-21 Vaillant GmbH Method for adapting the heating power of a blower-supported heater to the individual pressure losses of a fresh air/exhaust gas pipe system
EP1619445A1 (en) * 2004-07-21 2006-01-25 Ln 2 S.R.L. Wall-hung sealed combustion boiler with external economiser device
EP1701096A1 (en) * 2005-03-10 2006-09-13 Vaillant GmbH Method for adapting the heater power of a blower-supported heater to the individual pressure losses of a fresh air/exhaust gas pipe
EP3260783A1 (en) * 2016-06-24 2017-12-27 Robert Bosch GmbH Method for determining the operational data of a gas heating device, gas heating device and computer program product
US10352562B2 (en) 2016-09-30 2019-07-16 Siemens Aktiengesellschaft Combustion device with a side duct for measuring turbulent flows
NO20221396A1 (en) * 2021-12-23 2023-06-26 Pipeeksperten As A chimney control assembly for minimizing particle emission in a fuel burning heating device and a method for minimizing particle emission in a fuel burning heating device
WO2023121479A1 (en) * 2021-12-23 2023-06-29 Pipeeksperten As A chimney control assembly for minimizing particle emission in a fuel burning heating device and a method for minimizing particle emission in a fuel burning heating device

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DE50111359D1 (en) 2006-12-14
DE10109808A1 (en) 2002-09-12
EP1236957A3 (en) 2002-12-04
DE10109808C2 (en) 2003-12-04
EP1236957B1 (en) 2006-11-02

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