Patent ID: 6071468
Filing Date: 2000-06-06
Classification: C01B,C01P,C21B,Y02P

Abstract:
An apparatus for producing iron carbide product by reducing and carburizing an iron-containing raw material, comprising:(a) a distinct first stage partial reduction reaction unit having an upper portion and a lower portion;(b an iron-containing raw material feeding line operatively connected to the upper portion of said first stage reaction unit;(c) a distinct second stage reduction and carburization reaction unit having an upper portion and a lower portion;(d) a partially reduced iron-containing material feeding line operatively connected to the lower portion of said first stage reaction unit and the upper portion of said second stage reaction unit;(e) an iron carbide product recovery line operatively connected to the lower portion of said second stage reaction unit;(f) a first independent reaction gas circulating loop operatively connected to said first stage reaction unit; and(g) a second independent reaction gas circulating loop operatively connected to said second stage reaction unit.