Method for operating waste heat boiler in flash-smelting furnace
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United States of America Patent
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-
May 8, 2001
Grant Date -
N/A
app pub date -
Jun 8, 1999
filing date -
Aug 28, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a copper flash-smelting works, forced oxidation of dust is prevented, adhesion of dust to a boiler water tube is reduced, and on-line ratio and productivity index is improved. The temperature at the WHB radiation section outlet is greatly reduced and the atmosphere within the WHB radiation section is controlled by blowing the mixed gas of nitrogen gas and air from the feed aperture established in the wall into the boiler radiation section of the waste heat boiler of the flash-smelting furnace in a copper flash-smelting works.
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