Apparatus for feeding granular material to a steel bath
OwnerEugene F. Buellinventor
Life of this patent
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Abstract
An apparatus is provided for introducing additive reactive agents of lower specific gravity than steel into a molten steel bath comprising a hollow cylindrical canister having an inner cylindrical arbor member and a spaced cylindrical outer wall connected to the inner arbor, means for introducing an additive agent into the hollow canister, at least one helical vane in the interior of the arbor member, said canister having at least a portion thereof separate from the inner arbor fusible in the molten steel bath to release the contents of the canister into the molten steel bath and means for rotating said canister and arbor member in the molten steel.
Claims14
An apparatus for introducing additive reactive agents of lower specific gravity than steel into a molten steel bath comprising a hollow cylindrical canister having an inner cylindrical arbor member and a spaced cylindrical outer wall connected to the inner arbor, means for introducing an additive agent into the hollow canister, at least one helical vane in the interior of the arbor member, said canister having at least a portion thereof, separate from the inner arbor, fusible in the molten steel bath to release the contents of the canister into the molten steel bath and means for rotating said canister and arbor member in the molten steel.
An apparatus for introducing additive reactive agents of lower specific gravity than steel into a molten steel bath comprising a hollow canister having an inner wall defining an axial passage through the canister and a spaced outer wall connected to the inner wall and defining an enclosure for containing an additive agent, means for introducing an additive agent into the hollow canister, said canister having at least a portion thereof, separate from the inner wall, fusible in the molten steel bath to release the contents of the canister into the bath, stirring means connected to said canister and means for rotating said canister and stirring means in the molten steel.
The method of introducing an additive reactive agent of lower specific gravity than steel into a molten steel bath comprising the steps of:
- a. filling a hollow cylindrical canister having an inner cylindrical arbor member having stirring means thereon with the agent to be added, said canister having at least a portion thereof fusible in the steel bath,
- b. inserting said canister into the molten steel bath to be treated while rotating the same, and
- c. continuously rotating the canister submerged in the steel bath until said fusible portion has melted and the additive agent is released to the bath and the bath has been stirred by the stirring means to mix the additive agent into the bath.
The method of introducing an additive reactive agent of lower specific gravity than steel into a molten steel bath comprising the steps of:
- a. forming an elongated canister member containing said reactive agent having an axial passage therethrough, and stirring means thereon, and at least a portion fusible in said bath;
- b. inserting said member into the molten steel bath to be treated while rotating the same;
- and
- c. continuously rotating the canister submerged in the steel bath until said fusible portion has melted and the additive agent is released to the bath and the bath has been stirred by the stirring means to mix the additive agent into the bath.
Dependencies are inferred from the claim text.