MOTION CHARACTERISTICS OF INJECTED POWDER INSIDE POROUS BRICK PLACED AT THE BOTTOM OF REFINING LADLE

Acta Metall Sin

2007, Vol. 43

Issue (5): 553-556 DOI:

Research Articles

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MOTION CHARACTERISTICS OF INJECTED POWDER INSIDE POROUS BRICK PLACED AT THE BOTTOM OF REFINING LADLE

东北大学材料与冶金学院

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. MOTION CHARACTERISTICS OF INJECTED POWDER INSIDE POROUS BRICK PLACED AT THE BOTTOM OF REFINING LADLE. Acta Metall Sin, 2007, 43(5): 553-556 .

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Abstract During powder injection in the bottom-blown ladle, forces acting on particle were analyzed in consideration of the interaction between gas and particle. The motion equation of particle was established, and the relationship between the time of particle, moving distance and velocity was deduced. It shows that the velocity of little particle, after short time or distance acceleration, increases slowly.

Key words: powder injection bottom-blown ladle particle

Received: 10 October 2006

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