EP1515089A2 - Control method for a gas burner - Google Patents

Control method for a gas burner Download PDF

Info

Publication number
EP1515089A2
EP1515089A2 EP04021380A EP04021380A EP1515089A2 EP 1515089 A2 EP1515089 A2 EP 1515089A2 EP 04021380 A EP04021380 A EP 04021380A EP 04021380 A EP04021380 A EP 04021380A EP 1515089 A2 EP1515089 A2 EP 1515089A2
Authority
EP
European Patent Office
Prior art keywords
calibration
burner
stable
time
operating conditions
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
Application number
EP04021380A
Other languages
German (de)
French (fr)
Other versions
EP1515089B1 (en
EP1515089A3 (en
Inventor
Piet Blaauwwiekel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Garrett Motion SARL
Original Assignee
Honeywell Technologies SARL
Honeywell BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Honeywell Technologies SARL, Honeywell BV filed Critical Honeywell Technologies SARL
Publication of EP1515089A2 publication Critical patent/EP1515089A2/en
Publication of EP1515089A3 publication Critical patent/EP1515089A3/en
Application granted granted Critical
Publication of EP1515089B1 publication Critical patent/EP1515089B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details
    • F23D14/60—Devices for simultaneous control of gas and combustion air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
    • F23N5/242—Preventing development of abnormal or undesired conditions, i.e. safety arrangements 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
    • F23N1/022—Regulating fuel supply conjointly with air supply 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/20—Systems for controlling combustion with a time program acting through electrical means, e.g. using time-delay relays
    • F23N5/203—Systems for controlling combustion with a time program acting through electrical means, e.g. using time-delay relays using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2227/00—Ignition or checking
    • F23N2227/20—Calibrating devices

Definitions

  • the invention relates to a control method for gas burners according to the preamble of claim 1.
  • the problem lies with the present invention an improved control method for gas burners provide. According to the problem is solved by a regulatory procedure with the features of the claim 1 solved.
  • the invention relates to a control method for gas burners to provide a gas / air mixture, namely for supplying a gas flow and a combustion air flow to a burner.
  • a calibration of the scheme is done in such a way that if, after the agreed time, the burner for a predetermined period of time under stable operating conditions has been operated, the calibration performed and the new stable calibration is the previous one stable calibration replaced. During the period is immediately adjusted to the desired calibration point, and not as in the prior art, based on the old one stable calibration. If the case occurs, that the burner not following the predetermined time for the predetermined period of time under stable operating conditions can be operated, so is a preliminary calibration based on the last operating conditions carried out. This preliminary calibration then replaces the previous sabile calibration. Once the scheme a stable calibration based on stable operating conditions can perform the preliminary calibration replaced by a new stable calibration.
  • the invention is therefore based on the idea that also a preliminary calibration for the burners not over the entire specified period of time under stable operating conditions could be operated, still one better attitude for the scheme than the old one stable calibration.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Combustion (AREA)
  • Regulation And Control Of Combustion (AREA)

Abstract

Die Erfindung betrifft ein Regelungsverfahren für Gasbrenner.The invention relates to a control method for gas burners.

Bei dem erfindungsgemäßen Regelungsverfahren wird zu vorbestimmten Zeitpunkten eine Kalibrierung der Regelung durchgeführt. In dem Fall, in dem im Anschluss an den vorbestimmten Zeitpunkt der Brenner für eine vorbestimmte Zeitspanne bei stabilen Betriebsbedingungen betrieben wird, wird eine neue stabile Kalibrierung ermittelt, die die vorhergehende stabile Kalibrierung ersetzt. Dann, wenn der Brenner nicht für die vorbestimmte Zeitspanne bei stabilen Betirebsbedingungen betrieben worden ist, wird eine vorläufige Kalibrierung auf Grundlage der zuletzt vorliegenden Betriebsbedingungen ermittelt.In the control method according to the invention becomes too predetermined Times a calibration of the control performed. In the case in which following the predetermined Time of the burner for a predetermined period of time operating at stable operating conditions, a new stable calibration is determined, which is the previous one stable calibration replaced. Then, if that Burner not stable for the predetermined period of time Has been operated on a temporary basis Calibration based on the last available Operating conditions determined.

Description

Die Erfindung betrifft ein Regelungsverfahren für Gasbrenner gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a control method for gas burners according to the preamble of claim 1.

Regelungsverfahren für Gasbrenner müssen zu bestimmten Zeitpunkten, z.B. nach einer Installation der Regelung, einem Neustart oder Reset des Brenners, einer Kalibrierung unterzogen werden. Dabei wird bislang so vorgegangen, dass eine Kalibrierung nur dann durchgeführt wird, wenn der Brenner im Anschluß an den vorbestimmten Zeitpunkt für eine vorbestimmte Zeitspanne bei stabilen Betriebsbedingungen betrieben wurden ist. Diese sogenannte Wartezeit ist erforderlich, um eine zuverlässige oder auch stabile Kalibrierung der Regelung gewährleisten zu können. Verlässt der Brenner während der Kalibrierung bzw. während der vorgegebenen Zeitspanne die stabilen Betriebsbedingungen, so wird nach dem Stand der Technik die Kalibirierung abgebrochen und nach der alten Einstellung bzw. alten Kalibrierung geregelt. Dies kann von erheblichem Nachteil sein, da die alte Kalibrierung z.B. infolge einer sich geänderten Gasqualität nicht mehr zutreffend sein kann und dann nur noch eine schlechte Regleung durchgeführt werden kann.Regulatory procedures for gas burners must be specific Times, e.g. after an installation of the scheme, a Restart or reset the burner, a calibration be subjected. It is so far proceeded that a calibration is performed only if the Burner following the predetermined time for a predetermined period of time under stable operating conditions are operated. This so-called waiting time is required for a reliable or stable calibration to be able to guarantee the scheme. Leave the Burner during calibration or during the specified time Time span the stable operating conditions, so will according to the prior art, the caliber stopped and regulated according to the old setting or old calibration. This can be a considerable disadvantage since the old one Calibration e.g. as a result of a changed gas quality can no longer be true and then only one more bad regulation can be done.

Hiervon ausgehend liegt der vorliegenden Erfindung das Problem zugrunde, ein verbessertes Regelverfahren für Gasbrenner bereitzustellen. Erfindungsgemäß wird das Problem durch ein Regelungsverfahren mit den Merkmalen des Patentanspruchs 1 gelöst.On this basis, the problem lies with the present invention an improved control method for gas burners provide. According to the problem is solved by a regulatory procedure with the features of the claim 1 solved.

Bevorzugte Weiterbildungen der Erfindung ergeben sich aus der nachfolgenden Beschreibung.Preferred developments of the invention will become apparent the following description.

Die Erfindung betrifft ein Regelungsverfahren für Gasbrenner zur Bereitstellung eines Gas/Luft-Gemisches, nämlich zum Zuführen eines Gasstroms und eines Verbrennungsluftstroms zu einem Brenner. Zu vorbestimmten Zeitpunkten wird eine Kalibrierung der Regelung durchgeführt. Erfindungsgemäß wird bei der Kalibrierung so vorgegangen, dass dann, wenn im Anschluss an den vorbstimmten Zeitpunkt der Brenner für eine vorbestimmte Zeitspanne bei stabilen Betriebsbedingungen betrieben worden ist, die Kalibrierung durchgeführt wird, und die neue stabile Kalibrierung die vorhergehende stabile Kalibrierung ersetzt. Während der Zeitspanne wird sofort auf den gewünschten Kalibrierpunkt geregelt, und nicht wie beim Stand der Technik, auf Basis der alten stabilen Kalibrierung. Tritt der Fall ein, dass der Brenner im Anschluss an den vorbestimmten Zeitpunkt nicht für die vorbestimmte Zeitspanne bei stabilen Betriebsbedingungen betrieben werden kann, so wird eine vorläufige Kalibrierung auf Grundlage der zuletzt vorliegenden Betriebsbedingungen durchgeführt. Diese vorläufige Kalibrierung ersetzt dann die vorhergehende sabile Kalibirerung. Sobald die Regelung eine stabile Kalibrierung auf Basis stabiler Betriebsbedingungen durchführen kann, wird die vorläufige Kalibierung durch eine neue stabile Kalibrierung ersetzt.The invention relates to a control method for gas burners to provide a gas / air mixture, namely for supplying a gas flow and a combustion air flow to a burner. At predetermined times becomes carried out a calibration of the scheme. According to the invention the calibration is done in such a way that if, after the agreed time, the burner for a predetermined period of time under stable operating conditions has been operated, the calibration performed and the new stable calibration is the previous one stable calibration replaced. During the period is immediately adjusted to the desired calibration point, and not as in the prior art, based on the old one stable calibration. If the case occurs, that the burner not following the predetermined time for the predetermined period of time under stable operating conditions can be operated, so is a preliminary calibration based on the last operating conditions carried out. This preliminary calibration then replaces the previous sabile calibration. Once the scheme a stable calibration based on stable operating conditions can perform the preliminary calibration replaced by a new stable calibration.

Der Erfindung liegt demnach der Gedanke zugrunde, dass auch eine vorläufige Kalibirierung für die der Brennern nicht über die gesamte vorgegebene Zeitspanne bei stabielen Betriebsbedingungen betrieben werden konnte, immer noch eine bessere Einstellung für die Regelung darstellt, als die alte stabile Kalibrierung.The invention is therefore based on the idea that also a preliminary calibration for the burners not over the entire specified period of time under stable operating conditions could be operated, still one better attitude for the scheme than the old one stable calibration.

Claims (2)

Regelungsverfahren für Gasbrenner zur Bereitstellung eines Gas/Luft-Gemisches, nämlich zum Zuführen eines Gasstroms und eines Verbrennungsluftstroms zu einem Brenner, wobei zu vorbestimmten Zeitpunkten eine Kalibrierung der Regelung durchgeführt wird, und wobei die Kalibrierung dann durchgeführt wird, wenn der Brenner im Anschluß an den oder jeden vorstimmten Zeitpunkt für eine vorbestimmte Zeitspanne bei stabilen Betriebsbedingungen betrieben worden ist,
dadurch gekennzeichnet, dass a)dann, wenn der Brenner im Anschluss an den oder jeden vorbestimmten Zeitpunkt für eine vorbestimmte Zeitspanne bei stabilen Betriebsbedingungen betrieben worden ist, die Kalibrierung durchgeführt wird, und die neue stabile Kalibrierung die vorhergehende stabile Kalibrierung ersetzt, b) dann, wenn der Brenner im Anschuss an den oder jeden vorbestimmten Zeitpunkt nicht für eine vorbestimmte Zeitspanne bei stabilen Betriebsbedingungen betreeben worden ist, eine vorläufige Kalibrierung auf Grundlage der zuletzt worliegenden Betriebsbedingungen durchgeführt wird, und die Regelung dann auf Basis der vorläufigen Kalibrierung erfolgt. Control method for gas burners for providing a gas / air mixture, namely for supplying a gas flow and a combustion air flow to a burner, wherein at predetermined times a calibration of the control is performed, and wherein the calibration is performed when the burner following the or has been operated for a predetermined period of time under stable operating conditions, each predetermined time;
characterized in that a) when the burner has been operated at steady-state conditions for a predetermined period of time following the or each predetermined time, the calibration is performed and the new stable calibration replaces the previous stable calibration, b) if the burner has not been fired in steady-state operation for a predetermined period of time at the or each predetermined time, a preliminary calibration is performed based on the most recent operating conditions and the control is then based on the preliminary calibration. Regelungsverfahren nach Anspruch 1,
dadurch gekennzeichnet, dass
   dann, wenn eine vorläufige Kalibrierung durchgeführt worden ist, der Kalibriervorgang wiederholt wird, bis eine Kalibrierung auf Basis stabiler Betriebsbedingungen gemäß Maßnahme a) erfolgt.Control method according to claim 1,
characterized in that
then, if a preliminary calibration has been performed, the calibration procedure is repeated until a calibration based on stable operating conditions according to measure a).
EP04021380A 2003-09-09 2004-09-08 Control method for a gas burner Expired - Lifetime EP1515089B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10341543 2003-09-09
DE10341543A DE10341543A1 (en) 2003-09-09 2003-09-09 Control method for gas burners

Publications (3)

Publication Number Publication Date
EP1515089A2 true EP1515089A2 (en) 2005-03-16
EP1515089A3 EP1515089A3 (en) 2009-03-11
EP1515089B1 EP1515089B1 (en) 2010-02-17

Family

ID=34129718

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04021380A Expired - Lifetime EP1515089B1 (en) 2003-09-09 2004-09-08 Control method for a gas burner

Country Status (7)

Country Link
US (1) US20050100844A1 (en)
EP (1) EP1515089B1 (en)
JP (1) JP2005083744A (en)
KR (1) KR20050026363A (en)
AT (1) ATE458170T1 (en)
CA (1) CA2480969A1 (en)
DE (2) DE10341543A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004055716C5 (en) * 2004-06-23 2010-02-11 Ebm-Papst Landshut Gmbh Method for controlling a firing device and firing device (electronic composite I)

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Also Published As

Publication number Publication date
KR20050026363A (en) 2005-03-15
CA2480969A1 (en) 2005-03-09
JP2005083744A (en) 2005-03-31
EP1515089B1 (en) 2010-02-17
EP1515089A3 (en) 2009-03-11
DE502004010758D1 (en) 2010-04-01
DE10341543A1 (en) 2005-04-28
ATE458170T1 (en) 2010-03-15
US20050100844A1 (en) 2005-05-12

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