Arrangement for feeding fine-grained matter to a concentrate or matte burner of a suspension smelting furnace
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United States of America Patent
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Dec 11, 2018
Grant Date -
Aug 20, 2015
app pub date -
Aug 26, 2013
filing date -
Aug 27, 2012
priority date (Note) -
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Abstract
The invention relates to an arrangement for feeding fine-grained matter to a concentrate or matte burner (1) of a suspension smelting furnace (2). The arrangement includes a screw conveyor (3) comprising a tube means (4) having an inlet opening (6), an downward-facing outlet opening (7), and a helical screw (8) for moving fine-grained matter from the inlet opening (6) to the downward-facing outlet opening (7). The downward-facing outlet opening (7) is provided with a distribution means (10). The distribution means (10) has a free end (11) configured for feeding fine-grained matter into the downward-facing outlet opening (7). The helical screw (8) of the screw conveyor (3) extends from the direction of the inlet opening (6) at least partly over the downward-facing outlet opening (7).
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