Agitating – With specified discharge means – With rotatable or oscillatable stirrer
Patent
1983-09-30
1985-11-12
Jenkins, Robert W.
Agitating
With specified discharge means
With rotatable or oscillatable stirrer
222369, 366279, 366297, B01F 1502, B01F 702
Patent
active
045524602
ABSTRACT:
Apparatus and a method for handling a slurry contained in a tank having a slurry inlet and a slurry outlet. The tank has an open top, and a framework on which a plurality of buckets are mounted is located in the tank for rotation about a central axis through a shaft mounted on the upper margins of the tank. The buckets move along a circular path and into the tank to scoop settled particles on the bottom of the tank and then to lift the particles out of the slurry. In one form of the apparatus, the particles are dropped back into the slurry in the tank to thereby eliminate the growth of settled particles on the bottom of the tank to achieve uniform particle concentrations in the slurry. In another embodiment, the apparatus operates as a thickener in which the particles are unloaded from the buckets exteriorly of one side of the tank and carried away by a launder while the liquid in the tank overflows the tank at the opposite side thereof. In another embodiment, the apparatus operates as a classifier in which bed particles are dropped from the buckets into an adjoining tank and the overflow from the opposite side of the adjoining tank is directed back into the primary tank.
REFERENCES:
patent: 2275887 (1942-03-01), Chandler
patent: 2433478 (1947-12-01), Nelson
patent: 2504378 (1950-04-01), Bell
patent: 2934244 (1960-04-01), Idahl
patent: 3136660 (1964-06-01), Mueller
Bechtel International Corporation
Jenkins Robert W.
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