Solid material comminution or disintegration – Processes – With application of fluid or lubricant material
Patent
1997-12-08
1998-10-27
Husar, John M.
Solid material comminution or disintegration
Processes
With application of fluid or lubricant material
241 2431, 241 47, 241 56, 241 78, 241 791, 241 793, 241162, B02C 1912, B02C 2324
Patent
active
058268073
ABSTRACT:
A cylindrical vessel has a drive shaft rotatably mounted therein and extending along substantially the entire longitudinal extent thereof. This drive shaft is rotatably driven by a motor at a speed of 3,000-10,000 rpm. The output of a roller mill or the like having particles of the order of -200 mesh to be further comminuted, which may be of coal or other minerals, are fed into the vessel. Connected to the shaft and rotatably driven therewith is a centrifugal compressor fan. This fan with additional air intake to the vessel provides a high velocity air curtain which suspends the particles and drives them upwardly. Mounted above the compressor and rotatably driven by the drive shaft are a plurality of semipermeable screens which comminute the particles to bring them to a superfine state. Particles which are not comminuted to a superfine state are repelled by the screens for further comminution. Fully comminuted particles are passed through an aperture in a fixed plate and fed to collecting cyclones which collect these particles.
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Husar John M.
Sokolski Edward A.
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