| 摘要 |
Hydrocyclone apparatus having means for controlling the gravity of the discharging underflow. The means consists of a plurality of sectors formed of resilient material which are mounted below the apex opening of the hydrocyclone whereby when relaxed the apexes of the sectors terminate at the hydrocyclone axis and the side edges of each sector are in juxtaposition with adjacent sectors. When the hydrocyclone is in operation the discharging underflow material deflects the sectors downwardly and so controls the underflow as to maintain its density substantially constant irrespective of changes in the density of the slurry supplied to the inlet. Preferably the construction is such that an underflow shield is provided about the lower end of the hydrocyclone apex. The invention also includes the method employed by use of the apparatus.
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