JPS5737608A - Starting method for fluidized bed boiler - Google Patents

Starting method for fluidized bed boiler

Info

Publication number
JPS5737608A
JPS5737608A JP11353680A JP11353680A JPS5737608A JP S5737608 A JPS5737608 A JP S5737608A JP 11353680 A JP11353680 A JP 11353680A JP 11353680 A JP11353680 A JP 11353680A JP S5737608 A JPS5737608 A JP S5737608A
Authority
JP
Japan
Prior art keywords
supplied
fluidized bed
fluidized medium
fluidized
cell
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
JP11353680A
Other languages
Japanese (ja)
Inventor
Nobuaki Takami
Keitaro Tachibana
Kimiya Sakamoto
Yoshio Inoue
Minoru Tamaki
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 JP11353680A priority Critical patent/JPS5737608A/en
Publication of JPS5737608A publication Critical patent/JPS5737608A/en
Pending 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 
    • F23C10/00—Fluidised bed combustion apparatus
    • F23C10/18—Details; Accessories
    • 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 
    • F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
    • F23C2900/99006—Arrangements for starting combustion

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
  • Incineration Of Waste (AREA)

Abstract

PURPOSE:To enable to quickly and easily start the boiler by a method wherein a gas burner is used as starting burner to heat the fluidized medium in a starting cell up to the ignition temperature of coal and the fluidized medium is overflowed in an adjacent fluidized bed cell. CONSTITUTION:At the start of the fluidized bed boiler, a starting cell 2A is supplied with the fluidized medium of the volume nearly as much as that at normal operation. Said fluidized medium is heated up to about 500 deg.C by igniting and burning the gas supplied from a gas header 18 and a gas burner nozzle 18a with a damper 10a in a fluidization air supply duct 9a being held open. Under the condition described above, the pulverized coal as main fuel is supplied from a coal bunker 11 in the starting cell 2A. The supply of the main fuel accelerates the rise of the temperature of the fluidized bed. At this time, the gas supply from the burner nozzle 18 is stopped and the combustion is changed-over to the combustion with the pulverized coal only and the height of the fluidized bed in the starting cell is raised by being supplied with the fluidized medium. Into the adjacent cell 2B, the fluidized medium is overflowedly supplied from an overflow opening 6a formed in a partition wall 3A and the pulverized coal is supplied from the coal bunker 11.
JP11353680A 1980-08-20 1980-08-20 Starting method for fluidized bed boiler Pending JPS5737608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11353680A JPS5737608A (en) 1980-08-20 1980-08-20 Starting method for fluidized bed boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11353680A JPS5737608A (en) 1980-08-20 1980-08-20 Starting method for fluidized bed boiler

Publications (1)

Publication Number Publication Date
JPS5737608A true JPS5737608A (en) 1982-03-02

Family

ID=14614802

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11353680A Pending JPS5737608A (en) 1980-08-20 1980-08-20 Starting method for fluidized bed boiler

Country Status (1)

Country Link
JP (1) JPS5737608A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5946406A (en) * 1982-09-08 1984-03-15 Babcock Hitachi Kk Fluidized combustion method and device thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5946406A (en) * 1982-09-08 1984-03-15 Babcock Hitachi Kk Fluidized combustion method and device thereof

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