Fiber optic detector for flotation cell processing

Details Fiber optic detector for flotation cell processing Fiber optic detector for flotation cell processing

1987-11-06

1989-01-10

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250574, 356442, H01J 516, H01J 4014

Patent

active

047975504

ABSTRACT:
An apparatus for determining the reflectivity of the tailings from a coal flotation cell to optimize the cell operation. A bifurcated fiber optic cable has ends connected to a light source and a photoconductor, with a scanner end of the cable being submersed in a coal slurry. Light transmitted to the scanner end of the cable is backscattered to the photoconductor to function as a detector to determine the coal content of the tailings and through a process controller, frother and collector addition to the cell is monitored. An ultrasonic energy vibration is periodically transmitted to the scanner end of the cable to remove deposits thereon to optimize detector operation.

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Report No. 7623-Photoelectric Concentrator, U.S. Dept. of Interior Bureau of Mines; Welsh and Deurbrouck.
"Brinkman Dipping Probe Colorimeters" (12 pages).
"Great Lakes Instruments, Inc. Model 223 Ultrasonic Cleaners" (4 pages).

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