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JPS5664203A - Low nox fluidized bed type incinerator - Google Patents

Low nox fluidized bed type incinerator

Info

Publication number
JPS5664203A
JPS5664203A JP13771679A JP13771679A JPS5664203A JP S5664203 A JPS5664203 A JP S5664203A JP 13771679 A JP13771679 A JP 13771679A JP 13771679 A JP13771679 A JP 13771679A JP S5664203 A JPS5664203 A JP S5664203A
Authority
JP
Japan
Prior art keywords
exhaust gas
fluidized bed
duct
soot
furnace
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.)
Pending
Application number
JP13771679A
Other languages
Japanese (ja)
Inventor
Kenji Arisaki
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
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
Priority to JP13771679A priority Critical patent/JPS5664203A/en
Publication of JPS5664203A publication Critical patent/JPS5664203A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/30—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a fluidised bed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2202/00—Combustion
    • F23G2202/10—Combustion in two or more stages
    • F23G2202/106—Combustion in two or more stages with recirculation of unburned solid or gaseous matter into combustion chamber

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion Of Fluid Fuel (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)

Abstract

PURPOSE: To suppress a producing amount of NOx as well as to enable to reduce the produced NOx by intermediate products having high reducing property and lower a discharging amount of NOx remarkably as a whole.
CONSTITUTION: In a fluidized bed incinerator suitable for incinerating ash (EP ash) collected from exhaust gas of a boiler or the like burning heavy crude oil, soot of the exhaust gas of the combustion is removed by a primary dust collector 18, connected to an outlet 16 of the furnace, and the secondary dust collector 20, then, the collected soot is transferred to a rotary kiln 24 with a conveyor 23 to burn it. On the other hand, the exhaust gas is discharged to the outside of the system through an exhaust gas fan 21 and a duct 22 after the soot included therein is removed. In this case, a part of this exhaust gas is supplied through a recirculating duct 28, a fan 27 and a duct 29 into nozzles 14a of an air tower section of the furnace while another part of it is supplied into the rotary kiln 24. Further, another part of it is mixed with air stream produced by a blower 10 and is made to be fed into the fluidized bed 5.
COPYRIGHT: (C)1981,JPO&Japio
JP13771679A 1979-10-26 1979-10-26 Low nox fluidized bed type incinerator Pending JPS5664203A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13771679A JPS5664203A (en) 1979-10-26 1979-10-26 Low nox fluidized bed type incinerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13771679A JPS5664203A (en) 1979-10-26 1979-10-26 Low nox fluidized bed type incinerator

Publications (1)

Publication Number Publication Date
JPS5664203A true JPS5664203A (en) 1981-06-01

Family

ID=15205142

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13771679A Pending JPS5664203A (en) 1979-10-26 1979-10-26 Low nox fluidized bed type incinerator

Country Status (1)

Country Link
JP (1) JPS5664203A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58136911A (en) * 1982-02-05 1983-08-15 Nippon Kokan Kk <Nkk> Flue gas recirculation system of refuse incinerator
WO2002090829A1 (en) * 2001-05-09 2002-11-14 Fortum Oyj Method and arrangement for reducing nitrogen oxide emissions froma fluidized bed combustion
JP2011505542A (en) * 2007-12-06 2011-02-24 イテア エス．ピー．エー． Combustion method
JP2013155997A (en) * 2012-02-01 2013-08-15 Ihi Corp Oxygen combustion circulation fluidized bed boiler and temperature control device of the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58136911A (en) * 1982-02-05 1983-08-15 Nippon Kokan Kk <Nkk> Flue gas recirculation system of refuse incinerator
WO2002090829A1 (en) * 2001-05-09 2002-11-14 Fortum Oyj Method and arrangement for reducing nitrogen oxide emissions froma fluidized bed combustion
JP2011505542A (en) * 2007-12-06 2011-02-24 イテア エス．ピー．エー． Combustion method
JP2013155997A (en) * 2012-02-01 2013-08-15 Ihi Corp Oxygen combustion circulation fluidized bed boiler and temperature control device of the same

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