Lower vessel of RH degasser
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United States of America Patent
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Oct 27, 2015
Grant Date -
Jan 16, 2014
app pub date -
Oct 7, 2011
filing date -
Oct 13, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A bottom part refractory includes a center part refractory, an arrangement refractory which is arranged contiguously with the center part refractory, and a connection refractory which is arranged at a position where at least a portion of the connection refractory overlaps with a vertically downward projection view of a side wall refractory. The connection refractory which is contiguously arranged with the arrangement refractory is constituted of two or more force transmission refractories arranged in the direction toward the arrangement refractory from the side-wall refractory. Opposedly facing surfaces between the force transmission refractories at least at a position among the force transmission refractories are inclined such that upper portions of the opposedly facing surfaces are positioned on a more inner side of a bottom portion than lower portions of the opposedly facing surfaces are positioned.
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