Ladle shell is the outer structural container of a treatment ladle used in steelmaking to hold and transport molten metal.
The ladle shell is a critical structural component of a treatment ladle in steelmaking operations, designed to contain and transport molten metal at temperatures exceeding 1600°C. It consists of a cylindrical body with a refractory lining, bottom plate, trunnion rings for tilting, and reinforcement structures to withstand thermal stresses, mechanical loads, and metallostatic pressure during teeming operations.
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The ladle shell provides structural support and containment for molten metal, transfers mechanical loads during handling, and supports the refractory lining that directly contacts the molten steel.
Trunnion rings distribute lifting loads from cranes, prevent shell deformation during tilting operations, and must withstand cyclic fatigue stresses throughout the ladle's service life.
Ladle shells experience significant thermal expansion (up to 1.5% linear expansion at 500°C shell temperature), requiring expansion joints, sliding supports, and controlled cooling to prevent buckling and refractory damage.
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