Capacitive coagulation detecting device for mixed phase containe

Details Capacitive coagulation detecting device for mixed phase containe Capacitive coagulation detecting device for mixed phase containe

1992-06-05

1993-11-02

Strecker, Gerard R.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

324663, 324686, 324690, G01R 2726, G01N 2722

Patent

active

052587193

ABSTRACT:
A device for detecting a coagulation in a mixed phase container, such as a fluidized bed type olefin polymerization reactor, includes at least one coagulation detecting part mounted on an inner surface of the reactor, and a coagulation detecting circuit for outputting an electrical signal in response to a change in capacitance between a main electrode of the coagulation detecting part and the surrounding inner surface of the reactor. When any coagulation is attached on the inner surface of the mixed phase container, the state of production of the coagulation can be obtained from a change in output signal from the coagulation detecting circuit connected to the coagulation detecting part.

REFERENCES:
patent: 3233173 (1966-02-01), Lees et al.
patent: 3663955 (1972-05-01), Shimizu
patent: 4371977 (1983-02-01), Jenkins, III et al.
patent: 4710757 (1987-12-01), Haase
patent: 4899101 (1990-02-01), Porges

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