EP0093816A1 - Programmiereinrichtung, mit Brennluftklappe, zum Steuern von Kesselbrennern - Google Patents

Programmiereinrichtung, mit Brennluftklappe, zum Steuern von Kesselbrennern Download PDF

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Publication number
EP0093816A1
EP0093816A1 EP82400852A EP82400852A EP0093816A1 EP 0093816 A1 EP0093816 A1 EP 0093816A1 EP 82400852 A EP82400852 A EP 82400852A EP 82400852 A EP82400852 A EP 82400852A EP 0093816 A1 EP0093816 A1 EP 0093816A1
Authority
EP
European Patent Office
Prior art keywords
disc
orifice
burner
phase
air
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
EP82400852A
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English (en)
French (fr)
Other versions
EP0093816B1 (de
Inventor
Joseph Le Mer
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP82400852A priority Critical patent/EP0093816B1/de
Priority to AT82400852T priority patent/ATE28505T1/de
Priority to DE8282400852T priority patent/DE3276834D1/de
Publication of EP0093816A1 publication Critical patent/EP0093816A1/de
Application granted granted Critical
Publication of EP0093816B1 publication Critical patent/EP0093816B1/de
Expired legal-status Critical Current

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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
    • F23L13/00—Construction of valves or dampers for controlling air supply or draught
    • F23L13/06—Construction of valves or dampers for controlling air supply or draught slidable only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C7/00—Combustion apparatus characterised by arrangements for air supply
    • F23C7/008—Flow control devices
    • 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
    • F23N3/085—Regulating air supply or draught by power-assisted systems using electrical or electromechanical means

Definitions

  • the invention relates to an operating programmer, with combustion air register, for a boiler burner and more particularly but not exclusively for a vaporization burner.
  • Any start of combustion in a burner requires an ignition sequence which controls various organs, such as: fuel inlet means (fuel) and air inlet means (oxidant), means of flame and a flame control device.
  • One of the objects of the invention is to provide a programmer, with air register, which allows such an air supply and which also makes it possible to control the various organs of the burner in perfect synchronism with said air supply.
  • the programmer according to the invention is remarkable in that it comprises a profiled disc mounted to rotate in front of the orifice of the conduit. supplying the burner with combustion air to more or less seal said orifice according to the needs of the burner in its different operating phases, as well as a means for driving the disc in rotation and means for controlling said driving means and various burner members, which are actuated by the disc itself, so that said members are controlled precisely as a function of the position of the disc relative to said orifice.
  • control means comprise microswitches, in a fixed position relative to the supply orifice, which are actuated by tracks arranged on the disc while the drive means of the disc is advantageously a synchronous electric motor of such so that the angular speed of rotation of the disc is constant.
  • the invention relates of course to all burners with fluid or even pulverulent fuel but it is more particularly intended for burners with liquid fuel and more particularly still for burners provided with a vaporizer in which said fuel is conveyed by air. that the burner described in French patent n ° 2429967 in the name of the same applicant and which is provided with a vaporization duct or channel.
  • a particular embodiment according to the invention is remarkable in that an orifice is provided in the vicinity of the orifice for supplying combustion air, for supplying said vaporizer, its position being such that the disc does not '' opens only between phases (b) and (c) to close it completely after phase (e) so as to ensure a pre-sweep of the vaporizer before ignition and a post-sweep of the vaporizer after the shutdown of said burner .
  • Numerous means are also provided for controlling the burner members such as the aforementioned tracks arranged on the disc, in the form for example of raised tracks or ribs intended to urge microswitches, the shape and position of the ribs being studied to obtain actuations at specific times.
  • the programmer according to the invention shown in Figure 1 comprises a cylindrical housing formed by two housings 1 and 2 fixed to each other.
  • the casing 1 is provided with an orifice 3 intended to be connected to an air intake powered by a turbine and the casing 2 is provided with two orifices 4 and 5.
  • the orifice 4 is formed opposite the orifice 3 and it is intended to be connected to the combustion air supply duct of the burner while the orifice 5 is shown by way of example and is only useful for a burner provided with a vaporizer, the invention being able to naturally be applied to other types of burners.
  • the disc 6 is provided in this example with two tracks in the form of ribs 9 and 10 projecting towards the casing 1 and which are intended to urge two microswitches 11 and 12 respectively fixed on the casing 1.
  • the two ribs 9 and 10 of unequal lengths are concentric and form arcs of a circle while in this example the microswitches are arranged substantially on the same radius.
  • FIG. 1 clearly shows the microswitches 11 and 12, the connection terminals of which appear on the outside face of the casing 1, but it is clear that these, provided for example with small rollers, protrude inwards so that they can be acted upon by the corresponding ribs 9 and 10.
  • the references 11 and 12 of FIGS. 2 to 8 of course only represent the position of the microswitches.
  • FIG. 1 also shows a microswitch 13 intended to be actuated by a membrane 14 thus forming a pressure switch for controlling the air pressure.
  • the disc In the initial rest position when the burner is stopped, the disc is in the position shown in FIG. 3 in which it closes the orifices 4 and 5, the microswitch 11 being biased by the small rib 9.
  • the air turbine When there is a start command, for example by the aquastat of the boiler which is lacking in temperature, the air turbine is energized at the same time as the motor 8 driving the disc 6 which starts in this example turn clockwise at a constant speed of around 2 revolutions per minute.
  • Figure 4 shows the disc 6 in an intermediate position in which it always closes the orifice 5 thus avoiding any cooling of the vaporizer but completely discovers the orifice 4 thanks to an appropriate notch thus ensuring a pre-scanning of a few seconds, the disc continuing its rotation.
  • the disc reaches the position shown in FIG. 5 in which it has just discovered the orifice 5 by the aforementioned notch thus ensuring a pre-scanning of the vaporizer while it partially closes the orifice 4 so as to reduce the air flow to the burner.
  • the microswitch 12 is biased by the start of the rib 10. This bias simultaneously controls, by appropriate relays, the starting of the ignition means of the burner such as fuel supply means, ignition means . , device for checking the presence of flame.
  • the fuel supply means are for example a fuel pump and a solenoid valve
  • the ignition means include an electrode energized by an ignition transformer and the flame control device is an ionization control device.
  • the sector of the disc, referenced in this figure by 15, which will pass in front of the orifice 4, has a particular shape in order to obtain an air flow curve most suitable for starting and which is a function as already mentioned of the fuel supply flow curve.
  • sector 15 is defined by a arc of a circle whose geometric center is located in. the fourth quadrant of the casing 2 according to FIGS. 2 to 8, substantially on the bisector of this quadrant.
  • the microswitch 12 is released by the rib 10 and the disc 6 stops in this operating position where the orifice 4 is wide open. It should also be noted that relays are provided so that, on the one hand, the flame control device stops the ignition means as soon as a flame is detected, even if the microswitch 12 is still stressed by the rib 10 and on the other hand, the arrival of the fuel can not continue after the release of the microswitch 12 if the flame control device detects the presence of a flame, thus ensuring good security.
  • the aquastat controls the stopping of the fuel supply means and the restarting of the drive motor 8.
  • the disc then passes into the intermediate position shown in FIG. 8 where it closes the orifice 5 and finally the disc comes back to its initial position in FIG. 3 in which the microswitch 11 is biased by the rib 9 controlling the stop of the disc and the end of the cycle.
  • the disc completely closes the orifice 4 and thus constitutes a draft cut avoiding any unnecessary cooling of the burner and of the boiler hearth.

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)
EP82400852A 1982-05-07 1982-05-07 Programmiereinrichtung, mit Brennluftklappe, zum Steuern von Kesselbrennern Expired EP0093816B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP82400852A EP0093816B1 (de) 1982-05-07 1982-05-07 Programmiereinrichtung, mit Brennluftklappe, zum Steuern von Kesselbrennern
AT82400852T ATE28505T1 (de) 1982-05-07 1982-05-07 Programmiereinrichtung, mit brennluftklappe, zum steuern von kesselbrennern.
DE8282400852T DE3276834D1 (en) 1982-05-07 1982-05-07 Programme apparatus with a combustion-air damper for operating boiler burners

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP82400852A EP0093816B1 (de) 1982-05-07 1982-05-07 Programmiereinrichtung, mit Brennluftklappe, zum Steuern von Kesselbrennern

Publications (2)

Publication Number Publication Date
EP0093816A1 true EP0093816A1 (de) 1983-11-16
EP0093816B1 EP0093816B1 (de) 1987-07-22

Family

ID=8189907

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82400852A Expired EP0093816B1 (de) 1982-05-07 1982-05-07 Programmiereinrichtung, mit Brennluftklappe, zum Steuern von Kesselbrennern

Country Status (3)

Country Link
EP (1) EP0093816B1 (de)
AT (1) ATE28505T1 (de)
DE (1) DE3276834D1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2306001A (en) * 1995-10-06 1997-04-23 British Gas Plc Fuel-fired burners
WO2008046425A3 (en) * 2006-10-19 2008-07-17 Aduro As A method and device for controlling the supply of combustion air to a combustion chamber
CN101162092B (zh) * 2007-11-15 2012-10-03 林泽村 燃气灶燃烧器的调风装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1798431A (en) * 1929-02-16 1931-03-31 Arthur C Mcwilliams Thermostatic flue regulator
FR793286A (fr) * 1934-08-04 1936-01-21 Diffusion Régulateur thermostatique de tirage
FR1342829A (fr) * 1962-09-06 1963-11-15 Appareil pour régler automatiquement le titrage des chaudières
FR1425113A (fr) * 1965-02-22 1966-01-14 Régulateur de tirage automatique
DE2403083A1 (de) * 1974-01-23 1975-07-31 Ennking Heinz Dr Rer Nat Verfahren und vorrichtung zum kontinuierlichen betrieb von feuerungsanlagen mit beliebigem fluessigem oder gasfoermigem brennstoff
US4089638A (en) * 1976-07-29 1978-05-16 Trucco Horacio A Apparatus for gassification, premixing and combustion of liquid fuels
DE2932106A1 (de) * 1979-08-08 1981-02-26 Ferdinand Friess Abgas-lueftungsklappe modell 150
US4295603A (en) * 1979-11-13 1981-10-20 Emhart Industries, Inc. Means controlling a flue damper

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1798431A (en) * 1929-02-16 1931-03-31 Arthur C Mcwilliams Thermostatic flue regulator
FR793286A (fr) * 1934-08-04 1936-01-21 Diffusion Régulateur thermostatique de tirage
FR1342829A (fr) * 1962-09-06 1963-11-15 Appareil pour régler automatiquement le titrage des chaudières
FR1425113A (fr) * 1965-02-22 1966-01-14 Régulateur de tirage automatique
DE2403083A1 (de) * 1974-01-23 1975-07-31 Ennking Heinz Dr Rer Nat Verfahren und vorrichtung zum kontinuierlichen betrieb von feuerungsanlagen mit beliebigem fluessigem oder gasfoermigem brennstoff
US4089638A (en) * 1976-07-29 1978-05-16 Trucco Horacio A Apparatus for gassification, premixing and combustion of liquid fuels
DE2932106A1 (de) * 1979-08-08 1981-02-26 Ferdinand Friess Abgas-lueftungsklappe modell 150
US4295603A (en) * 1979-11-13 1981-10-20 Emhart Industries, Inc. Means controlling a flue damper

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2306001A (en) * 1995-10-06 1997-04-23 British Gas Plc Fuel-fired burners
US5795144A (en) * 1995-10-06 1998-08-18 British Gas Plc Fuel-fired burners
GB2306001B (en) * 1995-10-06 1999-09-08 British Gas Plc Fuel-fired burners
WO2008046425A3 (en) * 2006-10-19 2008-07-17 Aduro As A method and device for controlling the supply of combustion air to a combustion chamber
CN101162092B (zh) * 2007-11-15 2012-10-03 林泽村 燃气灶燃烧器的调风装置

Also Published As

Publication number Publication date
ATE28505T1 (de) 1987-08-15
EP0093816B1 (de) 1987-07-22
DE3276834D1 (en) 1987-08-27

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