OFF-GAS CHANNEL
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United States of America Patent
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Issued Date -
May 8, 2014
app pub date -
Jun 14, 2012
filing date -
Jun 29, 2011
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Abstract
An off-gas channel (1) of a closed-type smelting furnace (2), the off-gas channel (1) comprising a first end (3) opening to the upper part of the smelting furnace (2) and a second end (4) opening to a gas cleaning apparatus (5) for leading the furnace off-gases to the gas cleaning apparatus. The off-gas channel comprises at least one cleaning nozzle (6, 7, 8, 9) adapted to spray pressurized fluid to the inner surface of the off-gas channel.
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