B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
209/60, 241/83
B02C 17/14 (2006.01)
Patent
CA 1237708
Abstract A vibratory apparatus is disclosed for scrub- bing, abrading, pulverizing, grinding, crushing, milling and/or separating granular material. The apparatus in- cludes a two mass vibratory system with a tube, as part of the working mass, provided for the granular material and having an inlet end and an outlet end open to a stack at a location lower than the inlet end. The stack has means for creating an upward countercurrent air flow therethrough. A driving mass, including a vibration generating assembly, is provided for vibrating the driv- ing mass and the working mass so that the granular mater- ial is agitated in the tube at large accelerations to scrub, abrade, pulverize, grind, crush or mill the granu- lar material. When the apparatus is used as a separator or classifier, the countercurrent air flow in the stack causes minute particles to move up through the stack to separate the minute particles from the batch of granular material as the material is discharged into the stack. A matrix or media, such as balls, may be located in the tube to crush, grind or mill the material passing through the tube to reduce the size of the material. A method is also disclosed which includes the steps of feeding granu- lar material into a tube as described above, vibrating the tube to agitate the granular material, and creating a countercurrent air flow over the outlet end of the tube to move the minute particles away from the falling granu- lar material.
468842
General Kinematics Corporation
Meredith & Finlayson
LandOfFree
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