Submerged desulphurization device and method

Details Submerged desulphurization device and method Submerged desulphurization device and method

C - Chemistry, Metallurgy

21

C

39/107

C21C 7/00 (2006.01)

Patent

CA 1046277

ABSTRACT OF THE DISCLOSURE A ladle for receiving molten metal is equipped with an apparatus for introducing addition agents into molten steel in the ladle and takes the form of a hollow plunger partially formed of consumable material and serving to introduce the addition agents into the molten metal at a constant predetermined rate. The consumable material comprises essentially of about 125 to 135 lbs. of a material selected from the group comprising dolomite and limestone, from 8 to 16 lbs. of a material selected from the group comprising wood chips, wood flour and rice hulls, and from 4 to 12 lbs. of an oil class hydrocarbon resin binder and catalyst for the binder. This invention distinguishes from others by reasons of the form and composition of the addition agent containing device so that it will uniformly release the addition agent in a desired location in the ladle at a known desirable rate. -2-

242044

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