Metering device

Details Metering device Metering device

1982-03-29

1984-05-08

Fisher, Richard V.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Pigment or carbon black producer

422116, 423322, C01B 25023, B01J 400

Patent

active

044474008

ABSTRACT:
A device for metering liquid yellow phosphorus into a rotating ball mill for the production of red phosphorus therein includes a stationary outer tubular structure surrounding an inner tubular structure rotatably mounted therein. A valve having a valve rod associated with it is installed within the inner tubular structure near its end close to the ball mill. A plug provided with a central bore receiving the valve rod is installed within the inner tubular structure near its end remote from the ball mill. A bellows surrounds a portion of the valve rod inside the inner tubular structure, the bellows being tightly connected to the plug and valve rod.

REFERENCES:
patent: 3399695 (1968-09-01), Stehlin
patent: 3831644 (1974-08-01), Berg et al.
patent: 4273752 (1981-06-01), Lehr et al.
patent: 4359204 (1982-11-01), Williams

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