EP2083216A4 - Pulverized coal boiler - Google Patents

Pulverized coal boiler

Info

Publication number
EP2083216A4
EP2083216A4 EP07831257A EP07831257A EP2083216A4 EP 2083216 A4 EP2083216 A4 EP 2083216A4 EP 07831257 A EP07831257 A EP 07831257A EP 07831257 A EP07831257 A EP 07831257A EP 2083216 A4 EP2083216 A4 EP 2083216A4
Authority
EP
European Patent Office
Prior art keywords
pulverized coal
coal boiler
boiler
pulverized
coal
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Withdrawn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
EP07831257A
Other languages
German (de)
French (fr)
Other versions
EP2083216A1 (en
Inventor
Akihito Orii
Masayuki Taniguchi
Yuki Kamikawa
Hironobu Kabayashi
Miki Shimogouri
Toshihiko Mine
Shinichiro Nomura
Akira Baba
Yusuke Ochi
Koji Kuramashi
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 Hitachi Power Systems Ltd
Original Assignee
Babcock Hitachi KK
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 Babcock Hitachi KK filed Critical Babcock Hitachi KK
Publication of EP2083216A1 publication Critical patent/EP2083216A1/en
Publication of EP2083216A4 publication Critical patent/EP2083216A4/en
Withdrawn legal-status Critical Current

Links

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
    • F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
    • F23L7/002—Supplying water
    • 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
    • F23C7/02—Disposition of air supply not passing through burner
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2215/00—Preventing emissions
    • F23J2215/10—Nitrogen; Compounds thereof
    • F23J2215/101—Nitrous oxide (N2O)
    • 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
    • F23L2900/00—Special arrangements for supplying or treating air or oxidant for combustion; Injecting inert gas, water or steam into the combustion chamber
    • F23L2900/07008—Injection of water into the combustion chamber
    • 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
    • F23L2900/00—Special arrangements for supplying or treating air or oxidant for combustion; Injecting inert gas, water or steam into the combustion chamber
    • F23L2900/07009—Injection of steam into the combustion chamber

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Supply (AREA)
EP07831257A 2006-11-08 2007-11-06 Pulverized coal boiler Withdrawn EP2083216A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006302881 2006-11-08
PCT/JP2007/071525 WO2008056650A1 (en) 2006-11-08 2007-11-06 Pulverized coal boiler

Publications (2)

Publication Number Publication Date
EP2083216A1 EP2083216A1 (en) 2009-07-29
EP2083216A4 true EP2083216A4 (en) 2013-03-06

Family

ID=39364465

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07831257A Withdrawn EP2083216A4 (en) 2006-11-08 2007-11-06 Pulverized coal boiler

Country Status (4)

Country Link
US (1) US20100031858A1 (en)
EP (1) EP2083216A4 (en)
JP (1) JP5095628B2 (en)
WO (1) WO2008056650A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080156236A1 (en) * 2006-12-20 2008-07-03 Osamu Ito Pulverized coal combustion boiler
JP5094959B2 (en) * 2008-03-06 2012-12-12 株式会社Ｉｈｉ Carbon dioxide supply method and carbon dioxide supply equipment for oxyfuel boiler
US8327779B2 (en) 2008-09-26 2012-12-11 Air Products And Chemicals, Inc. Combustion system with steam or water injection
WO2010108281A1 (en) * 2009-03-26 2010-09-30 Fadi Eldabbagh System to lower emissions and improve energy efficiency on fossil fuels and bio-fuels combustion systems
JP5417258B2 (en) * 2010-06-01 2014-02-12 バブコック日立株式会社 Combustion device with spray nozzle
US8703064B2 (en) 2011-04-08 2014-04-22 Wpt Llc Hydrocabon cracking furnace with steam addition to lower mono-nitrogen oxide emissions
CN103047672B (en) * 2012-12-18 2015-05-20 华中科技大学 Superheated steam pulverized coal combustion device
CN104089279B (en) * 2014-07-08 2016-08-17 北京科电瑞通科技股份有限公司 Low nitrogen burning system
CN104089299B (en) * 2014-07-08 2016-11-09 北京科电瑞通科技股份有限公司 Low nitrogen burning method
CN104896501B (en) * 2015-06-05 2016-04-20 华中科技大学 The low NO of a kind of coal dust xoxygen-enriched burning device
CN105003912B (en) * 2015-07-24 2017-10-27 湖南高华环保股份有限公司 Low nox combustion method and low nox combustion system
JP6242453B1 (en) * 2016-08-25 2017-12-06 中外炉工業株式会社 Heating furnace cooling system
US11366089B2 (en) * 2018-03-14 2022-06-21 Mitsubishi Heavy Industries, Ltd. Analysis condition adjusting device of simple fuel analyzer
JP6701258B2 (en) * 2018-03-14 2020-05-27 三菱重工業株式会社 Simple fuel analyzer and its analysis condition adjusting device
GB2576044B (en) * 2018-08-03 2021-05-26 Spirax Sarco Ltd Calibration of a boiler
CN111256109B (en) * 2020-02-20 2022-02-22 苏州西热节能环保技术有限公司 Method for relieving temperature deviation of tube wall of opposed coal-fired boiler
CN115371043A (en) * 2021-05-21 2022-11-22 上海梅山钢铁股份有限公司 Combustion optimization control method based on boiler CT technology
JP7460096B1 (en) 2023-01-18 2024-04-02 株式会社プランテック Vertical waste incinerator and combustion method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5915310A (en) * 1995-07-27 1999-06-29 Consolidated Natural Gas Service Company Apparatus and method for NOx reduction by selective injection of natural gas jets in flue gas
US20060115779A1 (en) * 2004-11-04 2006-06-01 Babcock-Hitachi K.K. Overfiring air port, method for manufacturing air port, boiler, boiler facility, method for operating boiler facility and method for improving boiler facility
JP2007139266A (en) * 2005-11-16 2007-06-07 Babcock Hitachi Kk Boiler device, and its operation method

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5112423A (en) * 1974-07-23 1976-01-31 Nippon Kokan Kk BAANA
CH585370A5 (en) * 1975-04-29 1977-02-28 Von Roll Ag
CH583881A5 (en) * 1975-07-04 1977-01-14 Von Roll Ag
JPS5292134A (en) * 1976-01-30 1977-08-03 Mitsubishi Heavy Ind Ltd Boiler
JPS58208508A (en) * 1982-05-27 1983-12-05 Mitsubishi Heavy Ind Ltd Nox emission control method for boiler
JPS59131803A (en) * 1983-01-17 1984-07-28 Hitachi Ltd Steam injection control system
JP2954643B2 (en) * 1990-04-03 1999-09-27 バブコツク日立株式会社 Boiler equipment
US5195450A (en) * 1990-10-31 1993-03-23 Combustion Engineering, Inc. Advanced overfire air system for NOx control
JP3308618B2 (en) 1993-01-07 2002-07-29 バブコック日立株式会社 Low NOx combustion method and apparatus
US5543116A (en) * 1994-07-15 1996-08-06 The Babcock & Wilcox Company Method for reducing NOx using atomizing steam injection control
US5832846A (en) * 1996-01-11 1998-11-10 Public Service Electric And Gas Corporation Water injection NOx control process and apparatus for cyclone boilers
JP3915951B2 (en) * 1998-04-21 2007-05-16 バブコック日立株式会社 Boiler combustion equipment
JP2003322310A (en) 2002-04-24 2003-11-14 Ishikawajima Harima Heavy Ind Co Ltd BOILER NOx REDUCING DEVICE
US7270539B1 (en) * 2003-10-28 2007-09-18 Soil-Therm Equipment, Inc. Method and apparatus for destruction of vapors and waste streams using flash oxidation
JP4444791B2 (en) * 2004-11-04 2010-03-31 バブコック日立株式会社 Fuel combustion air port, manufacturing method thereof and boiler

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5915310A (en) * 1995-07-27 1999-06-29 Consolidated Natural Gas Service Company Apparatus and method for NOx reduction by selective injection of natural gas jets in flue gas
US20060115779A1 (en) * 2004-11-04 2006-06-01 Babcock-Hitachi K.K. Overfiring air port, method for manufacturing air port, boiler, boiler facility, method for operating boiler facility and method for improving boiler facility
JP2007139266A (en) * 2005-11-16 2007-06-07 Babcock Hitachi Kk Boiler device, and its operation method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008056650A1 *

Also Published As

Publication number Publication date
EP2083216A1 (en) 2009-07-29
JPWO2008056650A1 (en) 2010-02-25
JP5095628B2 (en) 2012-12-12
WO2008056650A1 (en) 2008-05-15
US20100031858A1 (en) 2010-02-11

Similar Documents

Publication Publication Date Title
EP2083216A4 (en) Pulverized coal boiler
PL2143997T3 (en) Pulverized coal burning boiler
PL1936270T3 (en) Pulverized solid fuel burner
PL2181287T3 (en) Combined pulverized coal burner comprising an integrated pilot burner
ZA201008158B (en) Biomass-mixed-firing pulverized coal fired boiler and operation method of the boiler
ZA200806265B (en) Pulverized coal-fired boiler and pulverized coal combustion method
PL392835A1 (en) Coal dust burner
EP2019263A4 (en) A pulverized coal burner with a baffle
EP2338956A4 (en) Coal gasification furnace
GB0625485D0 (en) Storage combination boiler
EP2179221A4 (en) Coal burner assembly
PL2476954T3 (en) Pulverized coal boiler
PL2161498T3 (en) Boiler for burning solid fuels
GB2435387C (en) Firelighter
GB2422893B (en) A boiler
GB0617985D0 (en) Poker stoker
GB2422894B (en) A boiler
SI2513559T1 (en) Boiler for solid fuels
PL120830U1 (en) Grate boiler
HU0600188V0 (en) Chimney for stoker
PL381392A1 (en) Coal briquette
HU0600242V0 (en) Boiler
GB0707323D0 (en) Microwave-controlled combination boiler
HU0600178V0 (en) Boiler without chimney
PL381561A1 (en) Grate

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20090608

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

RIN1 Information on inventor provided before grant (corrected)

Inventor name: KURAMASHI, KOJI

Inventor name: NOMURA, SHINICHIRO

Inventor name: KABAYASHI, HIRONOBU

Inventor name: ORII, AKIHITO

Inventor name: OCHI, YUSUKE

Inventor name: KAMIKAWA, YUKI

Inventor name: BABA, AKIRA

Inventor name: SHIMOGOURI, MIKI

Inventor name: MINE, TOSHIHIKO

Inventor name: TANIGUCHI, MASAYUKI

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20130204

RIC1 Information provided on ipc code assigned before grant

Ipc: F23C 7/02 20060101ALI20130129BHEP

Ipc: F23L 9/02 20060101ALI20130129BHEP

Ipc: F23C 99/00 20060101AFI20130129BHEP

Ipc: F23L 7/00 20060101ALI20130129BHEP

17Q First examination report despatched

Effective date: 20140711

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20141122