EP2123979A2 - Appareil de régulation de gaz - Google Patents

Appareil de régulation de gaz Download PDF

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Publication number
EP2123979A2
EP2123979A2 EP09005857A EP09005857A EP2123979A2 EP 2123979 A2 EP2123979 A2 EP 2123979A2 EP 09005857 A EP09005857 A EP 09005857A EP 09005857 A EP09005857 A EP 09005857A EP 2123979 A2 EP2123979 A2 EP 2123979A2
Authority
EP
European Patent Office
Prior art keywords
gas
valve
drive chamber
servo
control device
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
EP09005857A
Other languages
German (de)
English (en)
Other versions
EP2123979A3 (fr
EP2123979B1 (fr
Inventor
Frank Van Prooijen
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
Publication of EP2123979A2 publication Critical patent/EP2123979A2/fr
Publication of EP2123979A3 publication Critical patent/EP2123979A3/fr
Application granted granted Critical
Publication of EP2123979B1 publication Critical patent/EP2123979B1/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
    • F23N1/005—Regulating fuel 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
    • F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
    • F23N5/245—Preventing development of abnormal or undesired conditions, i.e. safety arrangements using electrical or electromechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2900/00—Special features of, or arrangements for fuel supplies
    • F23K2900/05001—Control or safety devices in gaseous or liquid fuel supply lines
    • 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
    • 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
    • F23N2235/20—Membrane valves

Definitions

  • the invention relates to a gas control device.
  • a gas burner gas control device which comprises a safety valve, a main gas valve and two pressure regulators.
  • DE 198 21 853 C1 is an output control pressure of a first pressure regulator by a linear actuator adjustable
  • a second pressure regulator limits the maximum allowable pressure of a gas burner to be supplied gas flow to the pressure of the burner air flow supplied.
  • the output control pressure of the first pressure regulator for changing the gas flow while maintaining the air flow is adjustable.
  • the invention is based on the object to provide a novel gas control device.
  • This object is achieved by a gas control device having the features of claim 1.
  • the gas control device according to the invention comprises a safety valve, a main gas valve and a pressure regulator, wherein the safety valve is designed as a diaphragm valve with a gas inlet chamber and a drive chamber which due to the spring force of a spring element and a prevailing in the drive chamber servo pressure against a prevailing in the gas inlet chamber inlet pressure wears or opens, wherein the main gas valve is designed as a diaphragm valve with a drive chamber and a gas outlet chamber which due to the spring force of a spring element and a prevailing in the gas outlet chamber outlet pressure against a prevailing in the drive chamber servo pressure or opens, and wherein the drive chamber of the safety valve and the drive chamber of the main gas valve with interposition at least one servo valve which is opened to release a gas flow through the safety valve and the main gas valve and closed to block a gas
  • both the safety valve and the main gas valve are each designed as a diaphragm valve.
  • the drive chambers of these two diaphragm valves are coupled together with the interposition of at least one servo valve. Then, when a gas flow through the gas control device or through the safety valve and the main gas valve is to be released, all connected between the drive chambers of safety valve and main gas valve servo valves are opened.
  • By opening the servo valves is achieved that a pressure equalization between the two drive chambers takes place, in which case the drive chamber of the main gas valve is filled via the drive chamber of the safety valve. In this way, a relatively fast opening of the gas control device can be realized despite the use of diaphragm valves. Accordingly, with the gas control device according to the invention, the opening times of gas control devices with diaphragm valves can be shortened.
  • Fig. 1 shows a gas control device 10 according to a first embodiment of the present invention, wherein the gas control device 10 according to Fig. 1 a safety valve 11, a main gas valve 12 and a pressure regulator 13 comprises.
  • the safety valve 11 and the main gas valve 12 are each formed as spring-loaded diaphragm valves.
  • the safety valve 11 designed as a membrane valve comprises a membrane 14, which carries a valve body 15 and is acted upon by a spring element 16.
  • the diaphragm 14 of the safety valve 11 delimits a drive chamber 17 of the safety valve 11, in which a servo pressure prevails, from a gas inlet chamber 18, in which a gas inlet pressure prevails.
  • the spring force of the spring element 16 and the prevailing in the drive chamber 17 of the safety valve 11 servo pressure close the safety valve 11 against the prevailing in the gas inlet chamber 18 gas inlet pressure, for which purpose the valve body 15 of the safety valve 11 is pressed against a valve seat 19.
  • the drive chamber 17 and the gas inlet chamber 18 of the safety valve 11 are coupled via a line 20, wherein in the conduit 20, a diaphragm 21 is integrated.
  • the safety valve 11 and the main gas valve 12 is formed as a spring-loaded diaphragm valve, wherein the main gas valve 12 has a diaphragm 22 which carries a valve body 23 which cooperates with a spring element 24.
  • the membrane 22 of the main gas valve 11 separates a drive chamber 25 thereof from a gas outlet chamber 26.
  • the cooperating with the valve body 23 spring element 24 of the main gas valve 12 and prevailing in the gas outlet 26 gas outlet pressure press the main gas valve 12 in a closed position against the ruling in the drive chamber 25 servo pressure. In the closed state, the valve body 23 of the main gas valve 12 is pressed against a corresponding valve seat 27.
  • the drive chamber 25 and the gas discharge chamber 26 of the main gas valve 12 are according to Fig. 1 coupled via a line 28, wherein in the line 28, a diaphragm 29 is connected. Parallel to the aperture 29 engages according Fig. 1 on the line 28 of the pressure regulator 13, via which the outlet pressure of the gas control device can be adjusted.
  • the adjustment of the outlet pressure via the gas control device 13 takes place in such a way that the spring force of a spring element 31 of the pressure regulator 13 is adjusted via an adjusting screw 30, whereby the spring element 31 presses a valve body 32 of the pressure regulator 13 against a valve seat 33. Then, when the prevailing in the Gasaustasshunt 26 gas outlet pressure is too large, the valve body 32 of the pressure regulator 13 is lifted from the valve seat 33 thereof, so that a pressure compensation can be carried out to limit the outlet pressure.
  • Fig. 1 the drive chamber 17 of the safety valve 11 and the drive chamber 25 of the main gas valve 12 are coupled together by two servo valves 34, which are designed in the embodiment shown as two-way valves. Although technically a single two-way valve would be sufficient as a servo valve 34, two servo valves 34 are present for safety reasons. Both servo valves 34 are always opened or closed only together.
  • both servo valves 34 are opened, in which case a pressure equalization between the in the drive chamber 17 of the safety valve 11 and the takes place in the drive chamber 25 of the main gas valve 12 prevailing pressure. In this case, the pressure in the drive chamber 17 of the safety valve 11 decreases, so that the safety valve 11 can be opened against the spring force of the spring element 16 via the gas inlet pressure within the gas inlet chamber 18.
  • a second gas control device 35 shows Fig. 2 , wherein to avoid unnecessary repetition for the embodiment of Fig. 2 for the same components same reference numerals are used, which in the embodiment of the Fig. 1 and will be discussed below only on such details, by which the embodiment of the Fig. 2 from the embodiment of Fig. 1 different.
  • Fig. 2 are in contrast to the embodiment of Fig. 1 the servo valves 34 are not formed as two-way valves but as three-way valves with the terminals C (Common), NC (Normally Closed) and NO (Normally Open). Then, when the servo valves 34 are closed, there is a connection between the ports C and NO, respectively. Then, on the other hand, when the servo valves 34 of the embodiment of the Fig. 2 are open, there is a connection between the terminals C and NC. In one between the two servo valves 34 of the Fig. 2 extending line 36 is an aperture 37 integrated. In the embodiment of Fig. 2 omitted in the embodiment of the Fig. 1 in the line 28 integrated aperture 29th
  • the drive chamber 17 of the diaphragm valve designed as a safety valve 11 and the drive chamber 25 of the diaphragm valve designed as a main valve 12 are coupled together, can by opening the servo valves 34, a fast pressure equalization between the two drive chambers 17, 25 can be realized so as to reduce the time required for the gas control valves 10 and 35, respectively, to release a gas flow therethrough.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Driven Valves (AREA)
  • Control Of Fluid Pressure (AREA)
EP09005857.9A 2008-05-23 2009-04-28 Appareil de régulation de gaz Active EP2123979B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008024843A DE102008024843A1 (de) 2008-05-23 2008-05-23 Gasregelgerät

Publications (3)

Publication Number Publication Date
EP2123979A2 true EP2123979A2 (fr) 2009-11-25
EP2123979A3 EP2123979A3 (fr) 2014-08-27
EP2123979B1 EP2123979B1 (fr) 2019-06-05

Family

ID=40990111

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09005857.9A Active EP2123979B1 (fr) 2008-05-23 2009-04-28 Appareil de régulation de gaz

Country Status (2)

Country Link
EP (1) EP2123979B1 (fr)
DE (1) DE102008024843A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116981884A (zh) 2021-03-04 2023-10-31 彼特威有限责任公司 部分预混合的燃气燃烧器器具

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19821853C1 (de) 1998-05-15 1999-07-29 Honeywell Bv Regeleinrichtung für Gasbrenner

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01174819A (ja) * 1987-12-28 1989-07-11 Yamatake Honeywell Co Ltd ガス流量制御弁
EP0644377B1 (fr) * 1993-09-16 1996-10-23 Honeywell B.V. Dispositif de commande pour brûleur à gaz
DE4337703C1 (de) * 1993-11-05 1995-03-23 Dungs Karl Gmbh & Co Mehrfachstellgerät mit eingangsseitigem Regler
DE4343306A1 (de) * 1993-12-17 1995-06-22 Gastechnic Prod Vertriebges Verfahren und Vorrichtung zur Regelung des Druckes in einer Gasleitung
US5944257A (en) * 1996-11-15 1999-08-31 Honeywell Inc. Bulb-operated modulating gas valve with minimum bypass
DE10232647B4 (de) * 2002-07-18 2004-05-13 Honeywell B.V. Regeleinrichtung für Gasbrenner
CA2630767A1 (fr) * 2005-11-23 2007-05-31 Sit La Precisa S.P.A. Dispositif de commande de fourniture d'un gaz combustible a un appareil a bruleur
WO2008012849A1 (fr) * 2006-07-28 2008-01-31 Sit La Precisa S.P.A. Dispositif destiné à commander la distribution d'un gaz combustible dans un appareil de brûleur

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19821853C1 (de) 1998-05-15 1999-07-29 Honeywell Bv Regeleinrichtung für Gasbrenner

Also Published As

Publication number Publication date
EP2123979A3 (fr) 2014-08-27
DE102008024843A1 (de) 2009-11-26
EP2123979B1 (fr) 2019-06-05

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