REDUCTION RETORT, REDUCTION RETORT MANUFACTURE METHOD, AND VACUUM SMELTING REDUCTION FURNACE USING THE SAME
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United States of America Patent
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app pub date -
Jan 12, 2009
filing date -
Jul 17, 2006
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Abstract
A reduction retort (11) for use in a vacuum smelting reduction furnace, including: a reducing portion (12) made of silicon carbide-based material; a condenser (13) disposed at one end of the reducing portion; an inlet closure (14) hermetically-connected to the condenser (13); and an outlet closure (15) disposed at the other end of the reducing portion (12), wherein the reduction retort (11) is disposed at an angle in the reduction furnace, with the end of the reduction retort (11) with the condenser (1 3) facing upward and the end of the reduction retort (11) with the outlet closure (15) facing downward. The reduction retort can save discharging time of spent residue, increase material load, enhance output, and improve heat utilization rate. The invention has a significantly prolonged service life in comparison to the conventional reduction retort made of nickel-chrome-steel alloy.
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