EP1985926A3 - Combustion equipment and combustion method - Google Patents

Combustion equipment and combustion method Download PDF

Info

Publication number
EP1985926A3
EP1985926A3 EP08007934.6A EP08007934A EP1985926A3 EP 1985926 A3 EP1985926 A3 EP 1985926A3 EP 08007934 A EP08007934 A EP 08007934A EP 1985926 A3 EP1985926 A3 EP 1985926A3
Authority
EP
European Patent Office
Prior art keywords
combustion
burner plate
protrusion
fuel
equipment
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
EP08007934.6A
Other languages
German (de)
French (fr)
Other versions
EP1985926B1 (en
EP1985926A2 (en
Inventor
Takeo Saito
Keisuke Miura
Kazuhito Koyama
Hiroshi Inoue
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.)
Mitsubishi Power Ltd
Original Assignee
Mitsubishi Hitachi Power Systems Ltd
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
Priority claimed from JP2008089152A external-priority patent/JP5188238B2/en
Application filed by Mitsubishi Hitachi Power Systems Ltd filed Critical Mitsubishi Hitachi Power Systems Ltd
Publication of EP1985926A2 publication Critical patent/EP1985926A2/en
Publication of EP1985926A3 publication Critical patent/EP1985926A3/en
Application granted granted Critical
Publication of EP1985926B1 publication Critical patent/EP1985926B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
    • F23R3/286—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply having fuel-air premixing devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
    • F23R2900/00015—Trapped vortex combustion chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
    • F23R2900/03343—Pilot burners operating in premixed mode

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)

Abstract

Combustion equipment of a coaxial jet combustion scheme is provided that includes: a burner plate (11) in which fuel and air are mixed with each other while the fuel and air pass through an air hole (12); a burner plate extension which is a portion of the burner plate (11) and extends toward a combustion chamber side spaced apart from the air hole (12); and a protrusion (1) disposed on the combustion chamber side of the burner plate extension so as to protrude in a direction where flow of the fuel moves. In the combustion equipment, a gap between opposite portions of the protrusion (1) is greater than a diameter of the air hole (12) and a flame source forming area is defined between the burner plate (11), the burner plate extension and the protrusion (1). The combustion equipment of a coaxial jet combustion scheme can achieve a further reduction in NOx emissions.
EP08007934.6A 2007-04-26 2008-04-24 Combustion equipment and combustion method Active EP1985926B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007116304 2007-04-26
JP2008089152A JP5188238B2 (en) 2007-04-26 2008-03-31 Combustion apparatus and burner combustion method

Publications (3)

Publication Number Publication Date
EP1985926A2 EP1985926A2 (en) 2008-10-29
EP1985926A3 true EP1985926A3 (en) 2016-04-13
EP1985926B1 EP1985926B1 (en) 2018-09-05

Family

ID=39639584

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08007934.6A Active EP1985926B1 (en) 2007-04-26 2008-04-24 Combustion equipment and combustion method

Country Status (2)

Country Link
US (1) US20080268387A1 (en)
EP (1) EP1985926B1 (en)

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US8481207B2 (en) * 2010-04-29 2013-07-09 Arizona Board Of Regents Metal-air room-temperature ionic liquid electrochemical cell with liquid fuel
CN101832558A (en) * 2010-05-11 2010-09-15 何梅顺 Blast-injecting forced-advancing full pre-mixing energy-saving combustor
US8261555B2 (en) * 2010-07-08 2012-09-11 General Electric Company Injection nozzle for a turbomachine
US8733108B2 (en) 2010-07-09 2014-05-27 General Electric Company Combustor and combustor screech mitigation methods
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US8800289B2 (en) 2010-09-08 2014-08-12 General Electric Company Apparatus and method for mixing fuel in a gas turbine nozzle
JP5579011B2 (en) * 2010-10-05 2014-08-27 株式会社日立製作所 Gas turbine combustor
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US8875516B2 (en) * 2011-02-04 2014-11-04 General Electric Company Turbine combustor configured for high-frequency dynamics mitigation and related method
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US9291103B2 (en) * 2012-12-05 2016-03-22 General Electric Company Fuel nozzle for a combustor of a gas turbine engine
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
CN104884868B (en) 2013-02-14 2018-02-06 克利尔赛恩燃烧公司 Startup method and mechanism for the burner with perforation flameholder
CN104937342B (en) 2013-02-14 2017-08-25 克利尔赛恩燃烧公司 The low NO of dilution may be selectedxBurner
JP5948489B2 (en) * 2013-03-13 2016-07-06 三菱日立パワーシステムズ株式会社 Gas turbine combustor
US10190767B2 (en) 2013-03-27 2019-01-29 Clearsign Combustion Corporation Electrically controlled combustion fluid flow
WO2014183135A1 (en) 2013-05-10 2014-11-13 Clearsign Combustion Corporation Combustion system and method for electrically assisted start-up
US9410704B2 (en) * 2013-06-03 2016-08-09 General Electric Company Annular strip micro-mixers for turbomachine combustor
EP3049721A4 (en) 2013-09-23 2017-09-20 Clearsign Combustion Corporation Burner system employing multiple perforated flame holders, and method of operation
US11047572B2 (en) 2013-09-23 2021-06-29 Clearsign Technologies Corporation Porous flame holder for low NOx combustion
US20150104748A1 (en) 2013-10-14 2015-04-16 Clearsign Combustion Corporation Electrodynamic combustion control (ecc) technology for biomass and coal systems
JP6033457B2 (en) * 2013-10-18 2016-11-30 三菱重工業株式会社 Fuel injector
US10018359B2 (en) * 2013-11-05 2018-07-10 Mitsubishi Hitachi Power Systems, Ltd. Gas turbine combustor
WO2015123381A1 (en) 2014-02-14 2015-08-20 Clearsign Combustion Corporation Down-fired burner with a perforated flame holder
US9709279B2 (en) 2014-02-27 2017-07-18 General Electric Company System and method for control of combustion dynamics in combustion system
US9845956B2 (en) * 2014-04-09 2017-12-19 General Electric Company System and method for control of combustion dynamics in combustion system
US9828288B2 (en) 2014-08-13 2017-11-28 Clearsign Combustion Corporation Perforated burner for a rotary kiln
EP3018408B1 (en) * 2014-11-05 2017-06-07 WORGAS BRUCIATORI S.r.l. Burner
US11473774B2 (en) 2015-02-17 2022-10-18 Clearsign Technologies Corporation Methods of upgrading a conventional combustion system to include a perforated flame holder
WO2016134068A1 (en) * 2015-02-17 2016-08-25 Clearsign Combustion Corporation Burner system with a perforated flame holder and a plurality of fuel sources
EP3279562B1 (en) * 2015-03-31 2020-08-19 Mitsubishi Hitachi Power Systems, Ltd. Combustion burner and boiler
RU2661993C1 (en) 2015-03-31 2018-07-23 Мицубиси Хитачи Пауэр Системз, Лтд. Combustion burner and boiler equipped with such burner
US10465907B2 (en) * 2015-09-09 2019-11-05 General Electric Company System and method having annular flow path architecture
JP6642912B2 (en) 2015-09-11 2020-02-12 三菱日立パワーシステムズ株式会社 Combustion burner and boiler provided with the same
JP6399458B2 (en) * 2015-09-14 2018-10-03 大陽日酸株式会社 Oxygen burner and method of operating oxygen burner
EP3403026B1 (en) 2016-01-13 2021-12-15 ClearSign Technologies Corporation Combustion system comprising a first and a second perforated flame holder, separated by a gap
EP3449183B1 (en) 2016-04-29 2023-12-06 ClearSign Technologies Corporation Burner system with discrete transverse flame stabilizers
US10539326B2 (en) 2016-09-07 2020-01-21 Clearsign Combustion Corporation Duplex burner with velocity-compensated mesh and thickness
CN108019774B (en) * 2016-11-01 2019-12-06 北京华清燃气轮机与煤气化联合循环工程技术有限公司 premixing fuel nozzle and combustor for gas turbine
US11525578B2 (en) 2017-08-16 2022-12-13 General Electric Company Dynamics-mitigating adapter for bundled tube fuel nozzle
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Also Published As

Publication number Publication date
US20080268387A1 (en) 2008-10-30
EP1985926B1 (en) 2018-09-05
EP1985926A2 (en) 2008-10-29

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