Solid material comminution or disintegration – Apparatus – Including means applying fluid to material
Patent
1976-10-01
1977-11-01
Custer, Jr., Granville Y.
Solid material comminution or disintegration
Apparatus
Including means applying fluid to material
241 5, B02C 1906
Patent
active
040562336
ABSTRACT:
A fluid energy mill for pulverizing to a predeterminedly desired classification or size dry solid material injected into a grinding chamber for entrainment in a high velocity vortex of a gaseous fluid established in said chamber. The grinding chamber is internally provided with a baffle located in the center of the vortex about which the heavier and coarser particles of the material are whirled at high velocity back into the vortex by the centrifugal force thereof for such further attrition of said particles prior to their discharge from the grinding chamber until they have been reduced in size and weight to their desired classification. The central baffle which may be of solid or tubular form, extends upwardly from the bottom of the chamber to a level just short of the chamber ceiling and provides a passageway extending across the top of the baffle for discharge of the finely divided particles from the top region of the grinding chamber.
REFERENCES:
patent: 2032827 (1936-03-01), Andrews
patent: 2376747 (1945-05-01), Andrews
patent: 2391723 (1945-12-01), Mann
patent: 2441613 (1948-05-01), Balassa
patent: 2588945 (1952-03-01), Trost
patent: 2763437 (1956-09-01), Marchant
patent: 3602439 (1971-08-01), Nakayama
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