EP2781833A4 - Thick-thin coal dust separation and arrangement structure for single-fireball eight-corner straight-flow burner - Google Patents

Thick-thin coal dust separation and arrangement structure for single-fireball eight-corner straight-flow burner

Info

Publication number
EP2781833A4
EP2781833A4 EP12824757.4A EP12824757A EP2781833A4 EP 2781833 A4 EP2781833 A4 EP 2781833A4 EP 12824757 A EP12824757 A EP 12824757A EP 2781833 A4 EP2781833 A4 EP 2781833A4
Authority
EP
European Patent Office
Prior art keywords
fireball
thick
coal dust
arrangement structure
dust separation
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.)
Withdrawn
Application number
EP12824757.4A
Other languages
German (de)
French (fr)
Other versions
EP2781833A1 (en
Inventor
Fei Chen
Jianwen Zhang
Kun Xiao
Jiangtao Li
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.)
Shanghai Boiler Works Co Ltd
Original Assignee
Shanghai Boiler Works Co 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
Application filed by Shanghai Boiler Works Co Ltd filed Critical Shanghai Boiler Works Co Ltd
Publication of EP2781833A1 publication Critical patent/EP2781833A1/en
Publication of EP2781833A4 publication Critical patent/EP2781833A4/en
Withdrawn legal-status Critical Current

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 
    • F23C5/00—Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
    • F23C5/08—Disposition of burners
    • F23C5/28—Disposition of burners to obtain flames in opposing directions, e.g. impacting flames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B21/00—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
    • F22B21/34—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from water tubes grouped in panel form surrounding the combustion chamber, i.e. radiation boilers
    • 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 
    • F23C5/00—Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
    • F23C5/08—Disposition of burners
    • F23C5/32—Disposition of burners to obtain rotating flames, i.e. flames moving helically or spirally
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D1/00—Burners for combustion of pulverulent fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D1/00—Burners for combustion of pulverulent fuel
    • F23D1/005—Burners for combustion of pulverulent fuel burning a mixture of pulverulent fuel delivered as a slurry, i.e. comprising a carrying liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
    • 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
    • F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel 
    • F23L9/02—Passages or apertures for delivering secondary air for completing combustion of fuel  by discharging the air above the fire

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Combustion Of Fluid Fuel (AREA)
EP12824757.4A 2011-11-14 2012-02-16 Thick-thin coal dust separation and arrangement structure for single-fireball eight-corner straight-flow burner Withdrawn EP2781833A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110358273.XA CN102563634B (en) 2011-11-14 2011-11-14 Coal dust thickness-thinness separating and distributing structure of single-fireball eight-corner direct-flow burner
PCT/CN2012/071222 WO2013071713A1 (en) 2011-11-14 2012-02-16 Thick-thin coal dust separation and arrangement structure for single-fireball eight-corner straight-flow burner

Publications (2)

Publication Number Publication Date
EP2781833A1 EP2781833A1 (en) 2014-09-24
EP2781833A4 true EP2781833A4 (en) 2015-07-08

Family

ID=46409775

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12824757.4A Withdrawn EP2781833A4 (en) 2011-11-14 2012-02-16 Thick-thin coal dust separation and arrangement structure for single-fireball eight-corner straight-flow burner

Country Status (6)

Country Link
US (1) US20140038115A1 (en)
EP (1) EP2781833A4 (en)
CN (1) CN102563634B (en)
PL (1) PL224267B1 (en)
WO (1) WO2013071713A1 (en)
ZA (1) ZA201301308B (en)

Families Citing this family (18)

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Publication number Priority date Publication date Assignee Title
CN103075741A (en) * 2013-01-31 2013-05-01 佛山市沛沣科技有限公司 Negative pressure delivery powder combustion system
CN103090368B (en) * 2013-02-20 2016-05-04 上海锅炉厂有限公司 The anistree DC burner coal powder light-dark of two fireballs apart arrangement mode
JP6289343B2 (en) * 2014-11-05 2018-03-07 三菱日立パワーシステムズ株式会社 boiler
PL429573A1 (en) * 2016-06-08 2019-10-07 Gas Technology Institute Method and the device for distribution of solid fuel materials at a uniform rate
CN107289445B (en) * 2017-06-12 2020-06-30 沈阳化工大学 Device for improving combustion value of power plant boiler
CN107131518B (en) * 2017-06-28 2023-10-24 中节环立为（武汉）能源技术有限公司 Intermediate storage bin type medium-speed mill positive pressure direct-fired pulverizing system
CN109556107B (en) * 2017-09-26 2024-04-12 哈尔滨博深科技发展有限公司 Thermal power generating unit tangential firing boiler suitable for ultralow load operation and firing system thereof
CN108180500A (en) * 2018-02-07 2018-06-19 东方电气集团东方锅炉股份有限公司 A kind of isobaric annular air compartment and its boiler system for boiler secondary air
CN109268870A (en) * 2018-10-30 2019-01-25 苏州吉杰电力科技有限公司 A kind of pulverized coal preparation system that flame kernel is controllable mill dislocation pulverized coal channel arragement construction
CN111336514B (en) * 2020-03-13 2022-04-19 武汉能望科技有限公司 Heating furnace capable of burning two kinds of gas simultaneously
CN112212323B (en) * 2020-04-28 2023-04-14 哈尔滨锅炉厂有限责任公司 50 MW-grade high-pressure opposed firing pi-shaped pulverized coal boiler
CN112484021B (en) * 2020-10-23 2021-11-19 西安交通大学 Ultralow-load stable-combustion pre-pyrolysis combustion system and ultralow-load operation method
CN112555819B (en) * 2020-11-18 2022-12-23 哈尔滨锅炉厂有限责任公司 Tangential combustor arrangement mode for ultralow-load flexible peak regulation of boiler
CN112781035A (en) * 2021-03-18 2021-05-11 烟台龙源电力技术股份有限公司 Offset pulverized coal burner and combustion system
CN113503562A (en) * 2021-04-29 2021-10-15 西安热工研究院有限公司 Combustion and powder-making system of fan coal mill
CN114110569A (en) * 2021-09-28 2022-03-01 清华大学 Combustion system and combustion method of intermediate storage type pulverized coal fired boiler
CN114276840B (en) * 2021-12-30 2022-09-23 苏州海陆重工股份有限公司 Coal powder gun alignment method for gasification furnace
CN115325531A (en) * 2022-06-28 2022-11-11 华能山东发电有限公司白杨河发电厂 Deep peak-regulation low-load stable combustion method for medium-speed grinding four-corner tangential boiler

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009152654A1 (en) * 2008-06-17 2009-12-23 哈尔滨工业大学 Horizontal thick and thin direct-current pulverized coal burner arranged by wall type
CN101737771A (en) * 2009-12-18 2010-06-16 上海锅炉厂有限公司 Multistage over fire air distributing mode
CN201582812U (en) * 2009-12-28 2010-09-15 清华大学 Pulverized coal burner for oxygen-rich local combustion-supporting

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US2058051A (en) * 1931-11-03 1936-10-20 Babcock & Wilcox Co Method of burning fuel
US2883948A (en) * 1952-08-07 1959-04-28 Babcock & Wilcox Co Combustion chamber with combined pulverized fuel and gas firing
US3285319A (en) * 1963-12-30 1966-11-15 Combustion Eng Ignitor burner of dual fuel flow design utilizing an eddy plate
US4368031A (en) * 1980-07-14 1983-01-11 Combustion Engineering, Inc. Stationary flame scanner for tilting burner
JPS57164207A (en) * 1981-04-03 1982-10-08 Mitsubishi Heavy Ind Ltd Tangential firing boiler
JPS5824706A (en) * 1981-08-06 1983-02-14 Kobe Steel Ltd Multi-fuel combustion with reduced nox content
JPH05141617A (en) * 1991-11-15 1993-06-08 Mitsubishi Heavy Ind Ltd Flame retardant plural fuel combustion furnace
JP3524682B2 (en) * 1996-06-27 2004-05-10 三菱重工業株式会社 Pulverized fuel combustion device
JPH10153302A (en) * 1996-11-22 1998-06-09 Ishikawajima Harima Heavy Ind Co Ltd Coal fired boiler
TW414846B (en) * 1997-11-05 2000-12-11 Mitsubishi Heavy Ind Ltd Combustion apparatus
US5934892A (en) * 1998-08-06 1999-08-10 Institute Of Gas Technology Process and apparatus for emissions reduction using partial oxidation of combustible material
JP3986230B2 (en) * 2000-02-17 2007-10-03 三菱重工業株式会社 Inverted boiler equipment
JP3891961B2 (en) * 2003-05-30 2007-03-14 三菱重工業株式会社 Combustion apparatus and method
CN2646584Y (en) * 2003-08-26 2004-10-06 侯桂林 Swirl-flow burner ignition device of pulverized coal firing boiler
FR2869673B1 (en) * 2004-04-30 2010-11-19 Alstom Technology Ltd PROCESS FOR COMBUSTION OF REFINING RESIDUES
CN101709871B (en) * 2009-12-25 2011-08-31 上海锅炉厂有限公司 Hexagonal or octagonal tangential arrangement of anthracite burning single-fireball direct-flow combustors

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009152654A1 (en) * 2008-06-17 2009-12-23 哈尔滨工业大学 Horizontal thick and thin direct-current pulverized coal burner arranged by wall type
CN101737771A (en) * 2009-12-18 2010-06-16 上海锅炉厂有限公司 Multistage over fire air distributing mode
CN201582812U (en) * 2009-12-28 2010-09-15 清华大学 Pulverized coal burner for oxygen-rich local combustion-supporting

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013071713A1 *

Also Published As

Publication number Publication date
EP2781833A1 (en) 2014-09-24
WO2013071713A1 (en) 2013-05-23
US20140038115A1 (en) 2014-02-06
CN102563634B (en) 2015-02-18
PL404139A1 (en) 2014-02-17
CN102563634A (en) 2012-07-11
PL224267B1 (en) 2016-12-30
ZA201301308B (en) 2014-02-26

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