Flotation cyclone
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United States of America Patent
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-
Jun 21, 1994
Grant Date -
N/A
app pub date -
Feb 16, 1993
filing date -
Jun 15, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A flotation cyclone for flotation of small particles of less than 30 .mu.m, comprising a cylinder (1) with an upper section, having a porous wall (4) and an extension (6) having a solid wall, said upper section being provided with a tangential inlet (2) and being covered with a lid, having a vortexfinder (10) as a foam outlet, and being surrounded by a gas chamber (3) having a gas inlet (3'), surrounding said porous wall (4), and being provided at the lower end of said porous wall (4) with a weir (5), while the extension (6) of said cylinder, having a solid wall, is provided at its lower end with a liquid as a blocking device.
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