High speed fluid grinding and disperser mill

Details High speed fluid grinding and disperser mill High speed fluid grinding and disperser mill

1980-07-10

1984-05-15

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

241 4604, 241 4611, 241 4617, 241258, 241284, B02C 1810

Patent

active

044483589

ABSTRACT:
A continuous high speed grinding and disperser mill and classifier for fluids is enclosed. The mill permits a high flow rate and thus does not require cooling. It comprises an enclosed vessel having an annular wear ring in the approximate center of the vessel, a shaft rotatable about a vertical axis extending into the vessel terminating at an end in the approximate center of the vessel, an impeller attached to the end of the shaft adapted to rotate within the wear ring, the impeller being in the form of a circular disc with a plurality of shear blades at the periphery producing a high shear zone between the blades and the wear ring. An inlet is provided in the vessel directly below the impeller on the vertical axis and an outlet in the vessel positioned at a predetermined height directly above the impeller on the vertical axis such that a flow of fluid from the inlet to the outlet passes through the high shear zone. Means are provided to rotate the shaft and impeller.

REFERENCES:
patent: 2216921 (1940-10-01), Marvel
patent: 2316769 (1943-04-01), Chilson
patent: 2417078 (1947-03-01), Jones
patent: 2553582 (1951-05-01), Heller et al.
patent: 3161402 (1964-12-01), Willems
patent: 3179380 (1965-04-01), Drayer
patent: 3298618 (1967-01-01), Talpey
patent: 3432109 (1969-03-01), Geissel
patent: 3638917 (1972-02-01), Osten
patent: 3741485 (1973-06-01), Gage et al.
patent: 3801286 (1974-04-01), Amolick et al.
patent: 4214712 (1980-07-01), van Hoorn
patent: 4288254 (1981-09-01), Gladu

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