Agitating – Stirrer within stationary mixing chamber – Rotatable stirrer
Patent
1986-06-19
1989-02-28
Hornsby, Harvey C.
Agitating
Stirrer within stationary mixing chamber
Rotatable stirrer
366196, B01F 716
Patent
active
048080055
ABSTRACT:
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 outlet(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.
REFERENCES:
patent: 1997035 (1935-04-01), Arbuckle
patent: 2027756 (1936-01-01), Tay
patent: 2431478 (1947-11-01), Hill
patent: 3734469 (1973-05-01), Goldstein et al.
patent: 4515483 (1985-05-01), Muller et al.
patent: 4552461 (1985-11-01), Ott et al.
Adcock Robert E.
Lewis William H.
Cabot Corporation
Chaletsky Lawrence A.
Hornsby Harvey C.
Reinckens Corinne M.
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