EP2685167A1 - Procédé et contrôleur de fonctionnement dýun brûleur à gaz - Google Patents

Procédé et contrôleur de fonctionnement dýun brûleur à gaz Download PDF

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Publication number
EP2685167A1
EP2685167A1 EP12176351.0A EP12176351A EP2685167A1 EP 2685167 A1 EP2685167 A1 EP 2685167A1 EP 12176351 A EP12176351 A EP 12176351A EP 2685167 A1 EP2685167 A1 EP 2685167A1
Authority
EP
European Patent Office
Prior art keywords
gas
air mixture
air
fan
mixing ratio
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
EP12176351.0A
Other languages
German (de)
English (en)
Other versions
EP2685167B1 (fr
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
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 filed Critical Honeywell Technologies SARL
Priority to EP12176351.0A priority Critical patent/EP2685167B1/fr
Publication of EP2685167A1 publication Critical patent/EP2685167A1/fr
Application granted granted Critical
Publication of EP2685167B1 publication Critical patent/EP2685167B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F23N1/025—Regulating fuel supply conjointly with air supply using electrical or electromechanical 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
    • F23N2225/00—Measuring
    • F23N2225/04—Measuring pressure
    • F23N2225/06—Measuring pressure for determining flow
    • 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
    • F23N2233/06—Ventilators at the air intake
    • F23N2233/08—Ventilators at the air intake with variable speed

Definitions

  • the present patent application relates to a method for operating a gas burner. Further on, the present patent application relates to a controller for operating a gas burner.
  • the electrical or electronic sensor is coupled to the gas duct and to a reference point.
  • the electrical or electronic sensor is especially designed as a flow-meter.
  • An actual value corresponding to a pressure ratio between the gas pressure in the gas duct and the air pressure in the air duct or corresponding to a pressure ratio between the gas pressure in the gas duct and the air pressure at the reference point is provided by the electrical or electronic sensor, wherein this actual value is compared with a nominal value.
  • a control variable for a gas valve assigned to the gas duct is generated on basis of the control deviation between the actual value and nominal value, wherein the gas valve is adjusted on basis of this control variable in order to provide the defined mixing ratio of gas and air in the gas/air mixture.
  • the defined mixing ratio of gas and air of the gas/air mixture is kept constant over the entire modulation range of the gas burner.
  • the gas/air mixture having a defined mixing ratio of gas and air is provided to the burner chamber 11 of the gas burner 10.
  • the gas/air mixture is provided by mixing the air flow provided by an air duct 15 with a gas flow provided by a gas duct 16.
  • the air flow and the gas flow become preferably mixed by a mixing device.
  • a mixing device can be designed as a Venturi nozzle (not shown).
  • the quantity of the air flow and thereby the quantity of the gas/air mixture flow is adjusted by the fan 14, namely by the speed of the fan 14.
  • the fan speed can be adjusted by an actuator 22 of the fan 14.
  • the mixing ratio of gas and air of the gas/air mixture is freely adjustable as a function of the fan speed of the fan 14. It is possible to use intermediate thresholds between the upper threshold and the lower threshold in order divide this fan speed range into sub-ranges.
  • the controller 20 As a function of on the fan speed of the fan 14 the controller 20 generates an offset value which becomes added to the nominal value for the signal provided by the electrical or electronic sensor 23. Alternatively, as a function on the fan speed of the fan 14 the controller 20 generates an offset value which becomes added to control variable for a gas valve 17.
  • the variation of the mixing ratio of the gas/air mixture is only allowed if the heat exchanger temperature measured by the temperature sensor 26 is greater than a temperature threshold. If the temperature of the heat exchanger 25 is below the temperature threshold, the defined mixing ratio of gas and air of the gas/air mixture is kept constant over the entire modulation range of the gas burner 10 and thereby over the entire fan speed range of the fan 14. However, if the temperature of the heat exchanger 25 is above the temperature threshold, the defined mixing ratio of gas and air of the gas/air mixture is not kept constant over the modulation range of the gas burner 10. In this case the mixing ratio of gas and air of the gas/air mixture is variable as a function of the fan speed as discussed above.
  • controller 20 determines an improper function of the electrical or electronic sensor 23, especially a non tolerable change of the sensor gain of the electrical or electronic sensor 23, the controller 20 preferably initiates at least one defined action.

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)
EP12176351.0A 2012-07-13 2012-07-13 Procédé de fonctionnement d'un brûleur à gaz Active EP2685167B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12176351.0A EP2685167B1 (fr) 2012-07-13 2012-07-13 Procédé de fonctionnement d'un brûleur à gaz

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12176351.0A EP2685167B1 (fr) 2012-07-13 2012-07-13 Procédé de fonctionnement d'un brûleur à gaz

Publications (2)

Publication Number Publication Date
EP2685167A1 true EP2685167A1 (fr) 2014-01-15
EP2685167B1 EP2685167B1 (fr) 2015-12-16

Family

ID=46551390

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12176351.0A Active EP2685167B1 (fr) 2012-07-13 2012-07-13 Procédé de fonctionnement d'un brûleur à gaz

Country Status (1)

Country Link
EP (1) EP2685167B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3228936A1 (fr) * 2016-04-07 2017-10-11 Honeywell Technologies Sarl Procédé de fonctionnement d'un appareil à brûleur à gaz

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0225655A1 (fr) * 1985-11-07 1987-06-16 Nederlandse Industriele Maatschappij NEFIT B.V. Méthode pour allumer un brûleur
EP0770824A2 (fr) * 1995-10-25 1997-05-02 STIEBEL ELTRON GmbH & Co. KG Procédé et circuit pour commander un brûleur à gaz
DE19824521A1 (de) * 1998-06-02 1999-12-09 Honeywell Bv Regeleinrichtung für Gasbrenner
DE10114901A1 (de) * 2001-03-26 2002-10-10 Invent Gmbh Entwicklung Neuer Technologien Verfahren und Vorrichtung zur Einstellung der Luftzahl
EP1179159B1 (fr) 1999-05-14 2004-11-24 Honeywell B.V. Dispositif de regulation pour bruleur de gaz
EP1522790A2 (fr) * 2003-10-08 2005-04-13 Vaillant GmbH Procédé de régulation d'un brûleur à gaz, en particulier dans des installations de chauffe avec ventilateur
DE202005018671U1 (de) * 2004-12-06 2006-03-02 Vaillant Gmbh Regelung eines Heizgerätes
EP1717514A1 (fr) * 2005-04-29 2006-11-02 Alde International Systems AB Brûleur à gaz et méthodes pour le démarrage et le fonctionnement de ce brûleur

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0225655A1 (fr) * 1985-11-07 1987-06-16 Nederlandse Industriele Maatschappij NEFIT B.V. Méthode pour allumer un brûleur
EP0770824A2 (fr) * 1995-10-25 1997-05-02 STIEBEL ELTRON GmbH & Co. KG Procédé et circuit pour commander un brûleur à gaz
DE19824521A1 (de) * 1998-06-02 1999-12-09 Honeywell Bv Regeleinrichtung für Gasbrenner
EP1084369B1 (fr) 1998-06-02 2003-01-15 Honeywell B.V. Systeme de regulation pour bruleur a gaz
EP1179159B1 (fr) 1999-05-14 2004-11-24 Honeywell B.V. Dispositif de regulation pour bruleur de gaz
DE10114901A1 (de) * 2001-03-26 2002-10-10 Invent Gmbh Entwicklung Neuer Technologien Verfahren und Vorrichtung zur Einstellung der Luftzahl
EP1522790A2 (fr) * 2003-10-08 2005-04-13 Vaillant GmbH Procédé de régulation d'un brûleur à gaz, en particulier dans des installations de chauffe avec ventilateur
DE202005018671U1 (de) * 2004-12-06 2006-03-02 Vaillant Gmbh Regelung eines Heizgerätes
EP1717514A1 (fr) * 2005-04-29 2006-11-02 Alde International Systems AB Brûleur à gaz et méthodes pour le démarrage et le fonctionnement de ce brûleur

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3228936A1 (fr) * 2016-04-07 2017-10-11 Honeywell Technologies Sarl Procédé de fonctionnement d'un appareil à brûleur à gaz
US10520186B2 (en) 2016-04-07 2019-12-31 Honeywell Technologies Sarl Method for operating a gas burner appliance

Also Published As

Publication number Publication date
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