Mechanical flotation machine
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United States of America Patent
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-
Oct 3, 1989
Grant Date -
N/A
app pub date -
Jun 14, 1988
filing date -
Jun 14, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mechanical flotation machine comprises a flotation cell, a circulating pipe vertically installed therein, an axial impeller mounted in the lower portion of the pipe and a guide device secured to the lower end of the pipe. The guide device has an annular gap through which pulp flow generated by the impeller returns from the cell to the pipe. Vanes are installed in the annular gap to create, above the impeller, pulp flow rotating opposite to the rotation of the impeller.
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