Method for increasing carbon content of direct reduced iron

Details Method for increasing carbon content of direct reduced iron Method for increasing carbon content of direct reduced iron

C - Chemistry, Metallurgy

21

B

53/32, 39/62

C21B 13/02 (2006.01) C21B 7/00 (2006.01) F27B 1/26 (2006.01)

Patent

CA 1287209

ABSTRACT OF THE DISCLOSURE A method of producing a hot, carburized metallized iron product in a generally vertical shaft furnace having an upper reducing zone in which iron oxide reacts with a gaseous reductant, and a lower carbon control and product discharge zone, including: establishing a gravitationally descending iron oxide burden in the furnace; reacting hot gaseous reductant with the descending burden to form a metallized iron product and a reacted top gas; and injecting a hydrocarbon gas mixture consisting of hot reformed endothermic gas and cool natural gas to the product discharge section of the shaft furnace; whereby the carbon content of the metallized iron pellet product is controlled by mixing the endothermic gas and natural gas in the proper ratio to balance the endothermic and exothermic reactions within the discharge zone of the furnace. Apparatus for carrying out the method includes means for controlling the respective amounts of gas introduced to the product discharge zone from the endothermic gas reformer and the source of natural gas.

532406

Affiliated with

Also associated with

Rating

Method for increasing carbon content of direct reduced iron does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for increasing carbon content of direct reduced iron, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for increasing carbon content of direct reduced iron will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1199422