Hot metal desulphurizing and dephosphorizing process

Details Hot metal desulphurizing and dephosphorizing process Hot metal desulphurizing and dephosphorizing process

C - Chemistry, Metallurgy

21

C

53/75

C21C 1/02 (2006.01) C21B 7/14 (2006.01) C21C 7/064 (2006.01) C22B 9/00 (2006.01)

Patent

CA 1285392

ABSTRACT OF THE DISCLOSURE When tapping a blast furnace, the slagged hot metal is treated with solid or even gaseous agents to ensure good desulphurization and dephosphorization, for instance to permit mass production of microalloyed steels with high technological properties. In this way it is possible to stay with the presently accentuating trend of regarding the converter simply as a decarburizing reactor, while performing all other treatments in the ladle before or after the converter. There are also major advantages compared with the known torpedo car treatments of hot metal.

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