Solid material comminution or disintegration – Processes – With application of fluid or lubricant material
Patent
1989-01-27
1990-03-06
Rosenbaum, Mark
Solid material comminution or disintegration
Processes
With application of fluid or lubricant material
241 24, 241 80, 241 97, B02C 1716
Patent
active
049059157
ABSTRACT:
A method and apparatus for pulverizing a material such as sand to a desired particle size. The apparatus has a pulverizing shell in which the material to be pulverized is fed and pulverized. The pulverized fluid-carried material overflows the shell so as to be fed into a settling classifier, where the coarser material settles and is discharged through its bottom opening back into the shell for repulverization. The finer material overflows the classifier and is fed to an intermediate bin, which has its bottom connected to the shell through a valve. When the bin is filled up with the material, the valve is opened so that the material in the bin is returned to the shell. The material is thus circulated through the shell, classifier and intermediate bin. The shell is adapted to be alternately connected to the intermediate bin and a product collector bin by a changeover valve. When the material overflowing the shell is pulverized to a desired particle, size, the shell is now brought into communication with the collector bin.
REFERENCES:
patent: 3298618 (1967-01-01), Talpey
patent: 3332628 (1967-07-01), Wadham
Ganse Akira
Ihara Yoshitaka
Ikebuchi Iwao
Kaneyasu Tomio
Kubota Ltd.
Rosenbaum Mark
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