EP2491307A2 - Strahlungsbrenner mit erhöhter leistung und verfahren zur verbeserung der leistung eines strahlungsbrenners - Google Patents

Strahlungsbrenner mit erhöhter leistung und verfahren zur verbeserung der leistung eines strahlungsbrenners

Info

Publication number
EP2491307A2
EP2491307A2 EP10785484A EP10785484A EP2491307A2 EP 2491307 A2 EP2491307 A2 EP 2491307A2 EP 10785484 A EP10785484 A EP 10785484A EP 10785484 A EP10785484 A EP 10785484A EP 2491307 A2 EP2491307 A2 EP 2491307A2
Authority
EP
European Patent Office
Prior art keywords
inlet
mixture
combustion support
radiant burner
electrode
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
EP10785484A
Other languages
English (en)
French (fr)
Other versions
EP2491307B1 (de
Inventor
Stéphane CARPENTIER
David Dupuis
Armelle Cessou
Pierre Vervisch
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.)
Engie SA
Original Assignee
GDF Suez SA
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 GDF Suez SA filed Critical GDF Suez SA
Publication of EP2491307A2 publication Critical patent/EP2491307A2/de
Application granted granted Critical
Publication of EP2491307B1 publication Critical patent/EP2491307B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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 
    • F23C99/00—Subject-matter not provided for in other groups of this subclass
    • 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 
    • F23C99/00—Subject-matter not provided for in other groups of this subclass
    • F23C99/001—Applying electric means or magnetism to combustion
    • 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
    • F23D14/12—Radiant burners
    • F23D14/14—Radiant burners using screens or perforated plates
    • F23D14/145—Radiant burners using screens or perforated plates combustion being stabilised at a screen or a perforated plate

Definitions

  • the invention relates generally to the field of infrared radiation heating.
  • the invention relates, in a first aspect, to a radiant burner designed to be powered in operation by a mixture of air and fuel gas flow, this burner comprising a body defining a combustion chamber and provided with a inlet for the mixture, a porous combustion support sealing the chamber in an unsealed manner and disposed downstream of the inlet in the flow direction of the mixture, and a distribution metal grid disposed between the inlet of the mixture and the support of combustion.
  • Infrared radiation heating traditionally uses one or other of the two sources of energy that constitute electricity on the one hand and the fuel gas on the other hand.
  • the fuel gas has the advantage of greater ease of storage than electricity but, on the other hand, has a lower efficiency for the production of heat by infrared radiation.
  • the present invention aims to provide a means for increasing the performance of a radiant gas burner.
  • the radiant burner of the invention conforms to the generic definition given by the preamble above is essentially characterized in that the body is made of a dielectric material, in that the burner further comprises an electric generator, first and second electrodes, and first and second galvanic connections, in that the electrical generator is adapted to deliver in operation, between first and second terminals, a voltage having a DC component at least equal to 5 kV, in that the first electrode is disposed on the distribution grid, in that the second electrode is arranged on the combustion support, and in that the first and second galvanic connections respectively connect the first and second electrodes to the first and second terminals of the generator.
  • the first electrode comprises at least one metal point disposed on the distribution grid and oriented along an axis pointing towards the combustion support.
  • the second electrode may be disposed on the combustion support, have the shape of a recessed surface, such as a ring or a window, and surround the axis of the tip.
  • the combustion support may suitably be made of ceramic or metal, the body being for example made of ceramic, and the second electrode of stainless steel.
  • the electrical generator is designed to deliver in operation a DC voltage of between 15 kV and 25 kV.
  • the burner of the invention may also comprise a baffle disposed in the body and a metal pipe, the duct channeling the mixture and opening into the body through said inlet, and this inlet being covered at least partially and unsealed by the baffle .
  • the first terminal of the electrical generator is at ground potential
  • the first galvanic connection comprises a metal cable connecting the metal pipe to the potential of the earth, and a wire connecting the metal pipe to the ground. distribution grid.
  • the invention also relates to a method for improving the efficiency of a radiant burner designed to be fed in operation by a mixture of air and fuel gas flow, this burner comprising a body delimiting a combustion chamber and provided with a inlet for the mixture, a porous combustion support sealing the chamber in an unsealed manner and disposed downstream of the inlet in the flow direction of the mixture, and a distribution grid disposed between the inlet of the mixture and the combustion support
  • this method comprising an operation of creating an electric field in the combustion chamber by applying an electrical potential difference of at least 5 kV between the combustion support and the distribution grid.
  • the invention relates in particular to a radiant burner designed to be fed in operation by a flow F of air mixture and fuel gas.
  • Such a burner typically comprises a body 1, a porous combustion support 2, and a distribution metal grid 3.
  • the body 1, which delimits a combustion chamber 10, is provided with an inlet 11 for mixing.
  • the combustion support 2 closes the chamber 10 in an unsealed manner, and is disposed downstream of the inlet 11 in the direction of the flow F of the mixture.
  • the metal distribution grid 3 is arranged between the inlet 10 of the mixture and the combustion support 2.
  • the body 1 is made of a dielectric material, for example ceramic, and the burner further comprises an electric generator 4, two electrodes 51 and 52, and two galvanic connections 61 and 62.
  • the electric generator 4 which comprises two terminals 41 and 42, is designed to deliver between its terminals, in operation, a voltage having a DC component at least equal to 5 kV.
  • this electrical generator delivers in operation a DC voltage of between 15 kV and 25 kV and typically of the order of 20 kV.
  • the first electrode 51 is disposed on the distribution grid 3, and the second electrode 52, for example made of stainless steel, is arranged on the combustion support 2.
  • the function of the galvanic connections 61 and 62 is to connect the electrodes 51 and 52 respectively to the terminals 41 and 42 of the generator 4.
  • the first electrode 51 consists of a metal tip 51 disposed on the distribution grid 3 and oriented along an axis pointing towards the combustion support 2.
  • the second electrode 52 which has the shape of a recessed surface such as a ring or a window, is arranged on the combustion support 2 and surrounds the axis of the tip 51.
  • the electrodes 51 and 52 may however take other forms.
  • the first electrode 51 may take the form of a plurality of tips, and the shapes of the electrodes 51 and 52 may be interchanged.
  • the combustion support 2 may be made of metal or ceramic, for example cordierite.
  • the burner advantageously also comprises a baffle 7 disposed in the body 1, and a metal pipe 8 may form or include a venturi (not shown) for producing the air / fuel gas mixture.
  • This mixture is channeled into the chamber 10 through the pipe 8 which opens into the body 1 through the inlet 11, this inlet 11 being covered at least partially and unsealed by the deflector 7.
  • the first terminal 41 of the electric generator 4 is at ground potential
  • the first galvanic connection 61 comprises, for example, a cable metal 611 connecting the metal pipe 8 to the potential of the earth, and a wire 612 connecting the metal pipe 8 to the distribution grid 3.
  • a metal grid distribution 3 dimensions 140 mm x 140 mm; this grid was perforated with holes 3 mm in diameter and arranged the chamber 10 at a distance of 50 mm with respect to the inlet 11;
  • a metal pipe 8 provided with a venturi (not shown);
  • an electrode 51 consisting of a metal point disposed in the center of the distribution grid 3;
  • a metal electrode 52 of stainless steel having the shape of a recessed surface such as a ring or a window, being disposed on the contour of the combustion support 2 and being connected to the terminal 42 high voltage generator by a cable 62;

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)
EP10785484.6A 2009-10-22 2010-10-20 Strahlungsbrenner mit erhöhter leistung und verfahren zur verbeserung der leistung eines strahlungsbrenners Active EP2491307B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0957405A FR2951808B1 (fr) 2009-10-22 2009-10-22 Bruleur radiant a rendement accru, et procede d'amelioration du rendement d'un bruleur radiant
PCT/FR2010/052242 WO2011048337A2 (fr) 2009-10-22 2010-10-20 Bruleur radiant a rendement accru, et procede d'amelioration du rendement d'un bruleur radiant

Publications (2)

Publication Number Publication Date
EP2491307A2 true EP2491307A2 (de) 2012-08-29
EP2491307B1 EP2491307B1 (de) 2015-07-22

Family

ID=42167392

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10785484.6A Active EP2491307B1 (de) 2009-10-22 2010-10-20 Strahlungsbrenner mit erhöhter leistung und verfahren zur verbeserung der leistung eines strahlungsbrenners

Country Status (8)

Country Link
US (1) US9618199B2 (de)
EP (1) EP2491307B1 (de)
CN (1) CN102549338B (de)
CA (1) CA2772699C (de)
ES (1) ES2551003T3 (de)
FR (1) FR2951808B1 (de)
PT (1) PT2491307E (de)
WO (1) WO2011048337A2 (de)

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EP2310743B2 (de) * 2008-07-08 2025-08-13 Solaronics S.A. Strahlungsbrenner
WO2017124008A1 (en) 2016-01-13 2017-07-20 Clearsign Combustion Corporation Perforated flame holder with gaps between tile groups
US9803855B2 (en) 2013-02-14 2017-10-31 Clearsign Combustion Corporation Selectable dilution low NOx burner
WO2014127305A1 (en) 2013-02-14 2014-08-21 Clearsign Combustion Corporation Startup method and mechanism for a burner having a perforated flame holder
US11460188B2 (en) 2013-02-14 2022-10-04 Clearsign Technologies Corporation Ultra low emissions firetube boiler burner
US10125983B2 (en) 2013-02-14 2018-11-13 Clearsign Combustion Corporation High output porous tile burner
US11953201B2 (en) 2013-02-14 2024-04-09 Clearsign Technologies Corporation Control system and method for a burner with a distal flame holder
US10386062B2 (en) 2013-02-14 2019-08-20 Clearsign Combustion Corporation Method for operating a combustion system including a perforated flame holder
US10119704B2 (en) 2013-02-14 2018-11-06 Clearsign Combustion Corporation Burner system including a non-planar perforated flame holder
US10571124B2 (en) 2013-02-14 2020-02-25 Clearsign Combustion Corporation Selectable dilution low NOx burner
US9696034B2 (en) * 2013-03-04 2017-07-04 Clearsign Combustion Corporation Combustion system including one or more flame anchoring electrodes and related methods
EP3049724B1 (de) 2013-09-23 2020-06-17 ClearSign Technologies Corporation Poröser flammenhalter für niedrig-nox-verbrennung und verfahren
WO2015054323A1 (en) 2013-10-07 2015-04-16 Clearsign Combustion Corporation Pre-mixed fuel burner with perforated flame holder
US20150104748A1 (en) 2013-10-14 2015-04-16 Clearsign Combustion Corporation Electrodynamic combustion control (ecc) technology for biomass and coal systems
US10066835B2 (en) 2013-11-08 2018-09-04 Clearsign Combustion Corporation Combustion system with flame location actuation
CN105960565B (zh) 2014-01-24 2019-11-12 克利尔赛恩燃烧公司 低NOx火管锅炉
JP2017510782A (ja) * 2014-03-18 2017-04-13 ▲セン▼政通 赤外線ガスストーブのストーブ芯構造
US9885496B2 (en) 2014-07-28 2018-02-06 Clearsign Combustion Corporation Fluid heater with perforated flame holder
US20160138799A1 (en) * 2014-11-13 2016-05-19 Clearsign Combustion Corporation Burner or boiler electrical discharge control
CN105737154A (zh) * 2014-12-10 2016-07-06 何勤 一种家用燃气灶的红外线燃烧器
CN105737155A (zh) * 2014-12-10 2016-07-06 何勤 一种家用燃气灶的红外线燃烧器
US12247733B2 (en) 2015-02-17 2025-03-11 Clearsign Technologies Corporation Prefabricated integrated combustion assemblies and methods of installing the same into a combustion system
US11473774B2 (en) 2015-02-17 2022-10-18 Clearsign Technologies Corporation Methods of upgrading a conventional combustion system to include a perforated flame holder
WO2016134061A1 (en) 2015-02-17 2016-08-25 Clearsign Combustion Corporation Perforated flame holder with adjustable fuel nozzle
US10801723B2 (en) 2015-02-17 2020-10-13 Clearsign Technologies Corporation Prefabricated integrated combustion assemblies and methods of installing the same into a combustion system
US10088153B2 (en) 2015-12-29 2018-10-02 Clearsign Combustion Corporation Radiant wall burner including perforated flame holders
US10551058B2 (en) 2016-03-18 2020-02-04 Clearsign Technologies Corporation Multi-nozzle combustion assemblies including perforated flame holder, combustion systems including the combustion assemblies, and related methods
WO2017190080A1 (en) 2016-04-29 2017-11-02 Clearsign Combustion Corporation Burner system with discrete transverse flame stabilizers
US10514165B2 (en) 2016-07-29 2019-12-24 Clearsign Combustion Corporation Perforated flame holder and system including protection from abrasive or corrosive fuel
US10539326B2 (en) 2016-09-07 2020-01-21 Clearsign Combustion Corporation Duplex burner with velocity-compensated mesh and thickness
WO2018160884A1 (en) 2017-03-03 2018-09-07 Clearsign Combustion Corporation Field installed perforated flame holder and method of assembly and installation
MX2021007898A (es) * 2018-12-28 2021-08-27 Univ Tecnica Federico Santa Maria Utfsm Quemador poroso para hornos.

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Also Published As

Publication number Publication date
WO2011048337A3 (fr) 2012-02-16
EP2491307B1 (de) 2015-07-22
US9618199B2 (en) 2017-04-11
FR2951808A1 (fr) 2011-04-29
US20120231398A1 (en) 2012-09-13
CA2772699C (fr) 2018-02-20
ES2551003T3 (es) 2015-11-13
CN102549338A (zh) 2012-07-04
CN102549338B (zh) 2014-08-20
PT2491307E (pt) 2015-11-12
FR2951808B1 (fr) 2011-11-18
WO2011048337A2 (fr) 2011-04-28
CA2772699A1 (fr) 2011-04-28

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