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专利名称：Flotation apparatus发明人：Schneider, John C.申请号：EP88402167.6申请日：19880826公开号：EP0308288B1公开日：19920729
摘要：A device for suspending solid particles in a turbulent fluid for the purpose ofconcentrating particles of interest such as mineral particles comprises an upright column(2) provided with a plurality of impellers (22) spaced along a rotatable shaft (20)
extending centrally within the column 2. An inlet (14) is provided near the bottom of thecolumn to introduce compressed gas which is dispersed by the rotating impellers (22) tocreate a rising column of bubbles through a slurry of particles in a liquid so that a gas toliquid gradient is provided along the column (2). Disks (37) are spaced along the shaft (20)between the impellers (22), and baffles (39) are provided longitudinally at the innersurface of the column (2) to control the swirling of the fluid caused by the impellers (22).
申请人：HYDROCHEM DEVELOPMENTS LTD.
地址：16-266 RUTHERFORD ROAD SOUTH; BRAMPTON ONTARIO L6W 3X3
代理机构：Rodhain, Claude
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