Molten metal treatment

Details Molten metal treatment Molten metal treatment

C - Chemistry, Metallurgy

21

C

53/362

C21C 7/00 (2006.01) C21C 1/10 (2006.01) C22B 9/10 (2006.01)

Patent

CA 1096179

Abstract of the Disclosure In treating cast iron with magnesium to produce nodular iron, a capsule of heat-resistant non-metallic non- wetting material. closed except for upper and lower limited access passages, containing the magnesium, is plunged into a bath of molten metal in a standard vertical ladle closed at the top to contain the violent reaction resulting. An eleva- ting mechanism lowers and raises the hood and the capsule together and plunges and withdraws the capsule. The mechanism includes means for manipulating a plunging rod carrying the capsule and for adjusting and maintaining the rod in a fixed radical position relative to its axis and for restraining it against lateral movement due to the force of the reaction.

269973

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