Patent ID: 6126716
Filing Date: 2000-10-03
Classification: C21C,F27B,F27D,Y02P,Y10S

Abstract:
An apparatus for preheating and melting iron scrap for recycling comprising: a melting furnace for melting the iron scrap and generating an exhaust gas; a preheating device connected to said melting furnace for preheating said iron scrap with said exhaust gas; an exhaust gas treating device connected to said preheating device for treating exhaust gas which has been used for preheating, wherein said preheating device comprises a rotary kiln preheating furnace and shaft preheating furnace, arranged in parallel with each other, connected to first and second openings in said melting furnace and connected to each other; and wherein exhaust gas is discharged from said melting furnace through said first opening into said rotary kiln preheating furnace; exhaust gas discharged from the rotary kiln preheating furnace is introduced into the shaft preheating furnace; and iron scrap is independently charged into and preheated by the rotary kiln preheating furnace and the shaft preheating furnace and then fed into the melting furnace.