Combined furnace system for fire refining red impure copper
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United States of America Patent
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Oct 11, 2016
Grant Date -
Apr 17, 2014
app pub date -
May 23, 2012
filing date -
May 24, 2011
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Abstract
A combined furnace system for fire refining red impure copper, comprising in order: a shaft furnace (2) for smelting red impure copper raw material into red impure copper liquid; a red impure copper liquid groove (4); at least one rotary furnace (5) for refining and producing refined copper liquid by means of oxidation reduction; a refined copper liquid groove (6). The combined furnace system is characterized in that the system comprises a tilting furnace (3) between the shaft furnace (2) and the red impure copper liquid groove (4) for removing slag from red impure copper liquid having slag. The invention thereby provides a combined furnace system that easily removes slag, has a smooth, unobstructed red impure copper liquid groove, and smelts and refines with stable production efficiency.
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