Classifying – separating – and assorting solids – Special applications
Patent
1990-08-29
1991-09-17
Hajec, Donald I.
Classifying, separating, and assorting solids
Special applications
51425, 209 17, 209157, 209208, B03B 700
Patent
active
050492608
ABSTRACT:
A media particle size separating apparatus and method are disclosed for use with a slurry blast cabinet. The system is capable of continuous operation so that under sized blast media particles and fines can be separated out of the slurry along with debris from the blasting operation on a continuous basis. An upwardly open partition divided hopper receives spent slurry from the blasting cabinet to flow through at least two chambers in the hopper to a pump returning the slurry and sized media to the blasting cabinet and nozzles therein. Unusable fines collected in one chamber of the hopper are drawn off through a drain valve.
REFERENCES:
patent: 981230 (1911-01-01), Trottier
patent: 1441571 (1923-01-01), France
patent: 3367495 (1968-02-01), Lea et al.
patent: 4012316 (1977-03-01), Ostlund et al.
patent: 4213475 (1980-07-01), Minkin
patent: 4250024 (1981-02-01), Soares et al.
Hajec Donald I.
Rhea Robert K.
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