Patent ID: 8764439
Filing Date: 2014-07-01
Classification: C04B,C21B,F22B,F27B,F27D,Y02P

Abstract:
1. A device for recovering heat of molten slag, comprising: a fluidized bed provided in a device main body and formed of fluidized bed material composed of crushed solidified slag; a molten slag feeder for supplying molten slag to said fluidized bed; heat exchangers for recovering heat from said fluidized bed; a solidified slag recovery device for recovering solidified slag, said solidified slag being formed in said fluidized bed as said molten slag is solidified; a crusher for crushing said solidified slag recovered by said solidified slag recovery device; a circulation device for returning to said bed material grains of said solidified slag crushed by said crusher; a bed material drawing device for partially drawing out said bed material; and an exhaust gas duct disposed on upper section of said device main body, particularly above said fluidized bed, wherein