JP5386308B2 - ボイラ - Google Patents

ボイラ Download PDF

Info

Publication number
JP5386308B2
JP5386308B2 JP2009256076A JP2009256076A JP5386308B2 JP 5386308 B2 JP5386308 B2 JP 5386308B2 JP 2009256076 A JP2009256076 A JP 2009256076A JP 2009256076 A JP2009256076 A JP 2009256076A JP 5386308 B2 JP5386308 B2 JP 5386308B2
Authority
JP
Japan
Prior art keywords
bypass
boiler
predetermined value
bypass duct
mixed combustion
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.)
Active
Application number
JP2009256076A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011099655A (ja
Inventor
琢磨 金子
政治 高田
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 Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP2009256076A priority Critical patent/JP5386308B2/ja
Priority to PCT/JP2010/069792 priority patent/WO2011055814A1/ja
Priority to CN201080023143.4A priority patent/CN102449400B/zh
Publication of JP2011099655A publication Critical patent/JP2011099655A/ja
Application granted granted Critical
Publication of JP5386308B2 publication Critical patent/JP5386308B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/006Layout of treatment plant
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8621Removing nitrogen compounds
    • B01D53/8625Nitrogen oxides
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23LSUPPLYING 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
    • F23L11/00Arrangements of valves or dampers after the fire
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23LSUPPLYING 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
    • F23L15/00Heating of air supplied for combustion
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2215/00Preventing emissions
    • F23J2215/10Nitrogen; Compounds thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2900/00Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
    • F23J2900/11001Conducting systems with a gas flow bypass from main flue to an auxiliary flue
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00Valves, nozzles or pumps
    • F23N2235/02Air or combustion gas valves or dampers
    • F23N2235/04Air or combustion gas valves or dampers in stacks
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N2237/00Controlling
    • F23N2237/20Controlling one or more bypass conduits
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Chimneys And Flues (AREA)
  • Combustion Of Fluid Fuel (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Air Supply (AREA)
JP2009256076A 2009-11-09 2009-11-09 ボイラ Active JP5386308B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009256076A JP5386308B2 (ja) 2009-11-09 2009-11-09 ボイラ
PCT/JP2010/069792 WO2011055814A1 (ja) 2009-11-09 2010-11-08 ボイラ
CN201080023143.4A CN102449400B (zh) 2009-11-09 2010-11-08 锅炉

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009256076A JP5386308B2 (ja) 2009-11-09 2009-11-09 ボイラ

Publications (2)

Publication Number Publication Date
JP2011099655A JP2011099655A (ja) 2011-05-19
JP5386308B2 true JP5386308B2 (ja) 2014-01-15

Family

ID=43970047

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009256076A Active JP5386308B2 (ja) 2009-11-09 2009-11-09 ボイラ

Country Status (3)

Country Link
JP (1) JP5386308B2 (zh)
CN (1) CN102449400B (zh)
WO (1) WO2011055814A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5418774B2 (ja) * 2009-12-15 2014-02-19 株式会社Ihi 排煙脱硝装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5517019A (en) * 1978-07-19 1980-02-06 Kobe Steel Ltd Dry denitration method
JPS5955234U (ja) * 1983-08-01 1984-04-11 バブコツク日立株式会社 燃焼装置
JPS61240007A (ja) * 1985-04-17 1986-10-25 Mitsubishi Heavy Ind Ltd 混焼ボイラ
CN2221155Y (zh) * 1994-12-23 1996-02-28 姜桂荣 涡流式烟气净化器
JPH08258980A (ja) * 1995-03-27 1996-10-08 Nippon Steel Corp ホッパ内粉粒体の搬送状況判定方法および装置
JP3856589B2 (ja) * 1999-04-20 2006-12-13 株式会社タクマ 燃焼設備
JP2003236334A (ja) * 2002-02-19 2003-08-26 Mitsubishi Heavy Ind Ltd 排煙処理液浄化システム
CN101078358A (zh) * 2007-06-28 2007-11-28 韩培洲 具有脱硝流程的中冷等压吸热空气轮机
JP4719228B2 (ja) * 2008-01-21 2011-07-06 三菱重工業株式会社 石炭焚ボイラの排ガス処理システム

Also Published As

Publication number Publication date
WO2011055814A1 (ja) 2011-05-12
CN102449400B (zh) 2015-04-01
CN102449400A (zh) 2012-05-09
JP2011099655A (ja) 2011-05-19

Similar Documents

Publication Publication Date Title
JP7207810B2 (ja) ボイラの効率を向上させるための方法及びシステム
JP6535555B2 (ja) ボイラ
US20120222591A1 (en) Method of and Apparatus for Selective Catalytic NOx Reduction in a Power Boiler
CN104566389B (zh) 一种低氮燃烧的垃圾焚烧炉及燃烧方法
AU2010212357B2 (en) System and method for protection of SCR catalyst
CN207065552U (zh) 一种降低循环流化床锅炉NOx排放的低温烟气再循环系统
GB2082085A (en) Apparatus for removing nox and for providing better plant efficiency in simple cycle combustion turbine plants
AU2009262148B2 (en) A furnace system with internal flue gas recirculation
CN105080315B (zh) 用于干法水泥窑的烟气脱硝系统
US10954854B2 (en) Power plant methods and apparatus
CN104645828A (zh) 一种应用于水泥熟料生产线窑尾高粉尘烟气的scr脱硝装置及方法
CN105987379B (zh) 锅炉机组
CN103604116A (zh) 降低循环流化床锅炉烟气产物中氮氧化物的装置及其方法
CN106969351A (zh) 一种降低循环流化床锅炉NOx排放的烟气再循环方法与系统
JP5386308B2 (ja) ボイラ
WO2013136912A1 (ja) 火力発電プラント
JP5791429B2 (ja) 排ガス処理システムおよび排ガス処理方法
JP2010264400A (ja) 脱硝装置
CN210267304U (zh) 一种锅炉烟气脱硝装置
JP6616945B2 (ja) 焼却プラント
CN208366101U (zh) 一种管式炉烟气脱硫脱硝系统
JP2011125766A (ja) 排ガス処理装置
JP2011127597A (ja) ターボ機械用の燃料流中の硫黄化合物を低減するためのシステム及び方法
EP2679898B1 (en) Denitration apparatus used for a coal-fired boiler
CN207769479U (zh) 一种用于脱硝系统的烟气再循环装置

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20120914

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20130910

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20131007

R151 Written notification of patent or utility model registration

Ref document number: 5386308

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S533 Written request for registration of change of name

Free format text: JAPANESE INTERMEDIATE CODE: R313533

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350