Solid material comminution or disintegration – Processes – With application of fluid or lubricant material
Patent
1993-05-07
1996-07-02
Husar, John
Solid material comminution or disintegration
Processes
With application of fluid or lubricant material
241 4606, 2412613, B02C 712
Patent
active
055313850
ABSTRACT:
Wet grinding apparatus including a grinding unit having first and second outer plates forming a housing with an inner chamber. A rotatable disc is housed in the inner chamber. A drive shaft is attached to the rotatable disc and extends centrally through one side of the housing. The other side of the housing includes a central inlet port for allowing introduction of slurry solution. A peripheral edge surface of the housing includes one or more outlet ports. Inner surfaces of the first and second outer plates and both surfaces of the rotatable disc have a series of outwardly extending grooves which taper in depth from a central location of each disc to a peripheral portion of each disc. The rotatable disc further includes a plurality of central feed ports or openings in communication with grooves on each side of the rotatable disc. The grinding method and operation of the apparatus include feeding slurry solution containing particles into the grooves and rotating the rotatable disc to reduce the size of the particles in the slurry solution while transferring the slurry solution to the outlet or outlets of the grinding unit.
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