Solid material comminution or disintegration – Processes – With application of fluid or lubricant material
Patent
1979-04-10
1980-05-20
Rosenbaum, Mark
Solid material comminution or disintegration
Processes
With application of fluid or lubricant material
241 24, 241 791, 241100, 241248, 241261, 2412612, B02C 709
Patent
active
042035554
ABSTRACT:
A rotary mill for milling particulate material is described. The preferred embodiment of the mill comprises a housing; a rotor and a stator axially aligned and spaced within the housing, each of which has concentric rows of circumferentially spaced tapered plane-sided blades extending from one of its faces, the rows on the rotor and stator being interposed between each other and radially spaced, with the radially innermost row being on the rotor and having a blade spacing at least equal to the maximum nominal particle size of the material, and the outermost row being on the stator and having a blade spacing less than the innermost row and at least equal to the desired maximum nominal particle size of the milled material; a material inlet in the housing that opens into the axial space between the rotor and stator inward of the innermost row; a pneumatic feed regulating means that mixes air with the feed entering said axial space and thereby controls the feed rate and milled material particle size; a milled product outlet in the housing located radially outward of the outermost row; a receiving pan for collecting milled product; a cyclone separator in the receiving pan for separating entrained milled product; and an electric motor whose driving shaft is connector to the rotor.
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Ciotti Thomas E.
Rosenbaum Mark
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