Classifying – separating – and assorting solids – With heat treatment
Patent
1983-08-18
1985-06-18
Spitzer, Robert H.
Classifying, separating, and assorting solids
With heat treatment
51425, 209 29, 209 37, 209143, B07B 402, B07B 702
Patent
active
045239886
ABSTRACT:
Disclosed is a method of and apparatus for processing new or reclaiming used abrasive material such as that material used in the surface preparation of structural steel prior to the application of paint or other protective coating. A stream of wet abrasive material, debris and contaminants is placed in a pre-scalper which serves to separate out components thereof having diameter greater than one (1) inch. The remaining abrasives are then conveyed to a dryer for drying. The flow of hot air through the dryer separates fines and talc from the stream of abrasives. The abrasives are then placed in a rotary scalper which serves to remove all particles greater than 3/16ths of an inch in diameter. A dust plenim surrounds the rotary scalper and serves to remove all fines and talc which pass through a 150 mesh screen. Thus, what remains is a quantity of abrasive material having particles no finer than 150 mesh and no larger than 3/16ths of an inch in diameter and such remaining abrasives are discharged into a storage bin for use or reuse.
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Apache Equipment, Inc.
Reiter Bernard A.
Spitzer Robert H.
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