B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
259/76
B01F 7/18 (2006.01) B01F 7/16 (2006.01) B01F 15/00 (2006.01) B01F 7/00 (2006.01)
Patent
CA 1280745
ABSTRACT OF THE DISCLOSURE The disclosure relates to a process and apparatus for dispensing a uniform flow of carbon black from a tank. The process is carried out by stirring the carbon black in a surge tank, providing equal movement of the carbon black away from the center of the surge tank towards the outlet(s) of the surge tank and removing caked carbon black from the wall of the tank and/or minimizing caking of carbon black on the wall of the surge tank. The apparatus includes horizontal blades for stirring the carbon black, lifters for lifting carbon black from the bottom of the tank, impeller vanes shaped in the form of curves such that each segment of rotation of the vanes causes an equal movement of the carbon black away from the center of the surge tank towards the tank oulet(s), and side scrapers for removing caked carbon black from the wall of the tank and/or minimizing caking of carbon black on the wall of the surge tank.
540053
Adcock Robert E.
Lewis William H.
Cabot Corporation
Swabey Ogilvy Renault
LandOfFree
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