Patent ID: 6200518
Filing Date: 2001-03-13
Classification: C21B,F27B,F27D,Y02P

Abstract:
A melt-reducing facility for directly producing molten iron or molten pig iron, comprising:a plurality of melt-reducing furnaces having a starting material throw port for throwing iron bearing material, carbon material and flux;a discharge gas duct structure forming a combined discharge gas duct by combining discharge gas ducts of said plurality of furnaces, each of said discharge gas ducts having a discharge gas damper;a waste heat boiler and a power-generating facility provided in said combined discharge gas duct;a tuyere provided in each of the furnaces for blowing pure oxygen and/or oxygen-rich gas to adjust total amount of heat from combustible gases generated from each of the furnaces; andmeans for adjusting total amount of heat of combustible gases generated to be constant.