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US 4,395,280 AGranted
Preheating process for steel-making materials
AssigneeDaidotokushuko Kabushikikaisha
InventorsAkira Takenouchi, Yukio Niwa
Life of this patent
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Abstract
A preheating process for steel-making materials, in which the steel-making materials are preheated in a preheating furnace and transferred to a bucket in a clean state for charging them into the steel-making furnace by scattering any dust sticking to the materials by dumping them into the bucket and collecting the scattered dust.
Claims3
A preheating process for steelmaking materials, which comprises the steps of:
- (a) preheating steel making materials by contacting said materials with waste gas fluid containing dust from a steel-making furance in a preheating furnace, some of said dust sticking to said materials.
- (b) scattering any dust sticking to the heated steel-making materials by impact of dumping the materials,
- (c) collecting the scattered dust, and
- (d) charging the steel-making materials into the steel-making furnace after collecting the dust.
1 more element
Dependencies are inferred from the claim text.