Refining agent and refining method

Details Refining agent and refining method Refining agent and refining method

C - Chemistry, Metallurgy

21

C

C21C 1/02 (2006.01) C21B 3/04 (2006.01) C21C 7/06 (2006.01) C21C 7/064 (2006.01) C21C 7/076 (2006.01) C21C 7/04 (2006.01) C21C 7/072 (2006.01)

Patent

CA 2422253

A refining agent contains Al, MgO, and CaO as main components, and uses dolomite as a MgO source and CaO source. When the refining agent is supplied into molten iron, it produces Mg vapor due to a reaction in the molten iron, and causes a refining reaction by the Mg vapor.

La présente invention concerne un agent d'affinage comportant Al, MgO et CaO en tant que principaux constituants et contient de la dolomite en tant que source de MgO et CaO, et lors de son alimentation dans du fer en fusion, il forme de la vapeur de Mg par des réactions dans le fer en fusion. La vapeur de Mg provoque des réactions d'affinage.

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