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出願の表示

1. IN8959/CHENP/2013 - METHOD FOR OPERATING PULVERIZED COAL FIRED BOILER FACILITY

官庁 インド
出願番号 8959/CHENP/2013
出願日 08.11.2013
公開番号 8959/CHENP/2013
公開日 12.09.2014
公報種別 A
IPC
F23K 3/02
F機械工学;照明;加熱;武器;爆破
23燃焼装置;燃焼方法
K燃焼装置への燃料の供給
3塊状または粉状燃料の燃焼装置への供給または分配
02空気式供給装置,すなわち空気送風によるもの
出願人 KABUSHIKI KAISHA KOBE SEIKO SHO(KOBE STEEL LTD.)
発明者 TADA Toshiya
優先権情報 2011154894 13.07.2011 JP
発明の名称
(EN) METHOD FOR OPERATING PULVERIZED COAL FIRED BOILER FACILITY
要約
(EN)
Provided is a method for operating a pulverized coal fired boiler facility wherein upgraded low grade coal can be safely used as fuel and an existing facility needs little remodeling. The present invention relates to a method for operating a pulverized coal fired boiler facility (100) that uses upgraded brown coal as fuel. Boiler exhaust gas taken out of an exhaust gas duct (31) is added to air from a primary air fan (10) to prepare mixed gas with an oxygen concentration of less than 12% in a volume ratio the mixed gas is caused to separately flow to a carrier gas duct (33) that goes through a GAH (8) and a bypass carrier gas duct (34) that bypasses the GAH (8) and thereafter the mixed gas is supplied to a mill (21).

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