Concentrator Operator
Overall rating: (N/A)
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Cnotrols machines and equipment from instrumented control
board to scrub, condition, float, classify, and convey phosphate
rock for use in fertilizer and phosphoric acid: Monitors
recording instruments, gauges, panel lights, and other
indicators, and listens for warning signal to verify conformance
to plant standards. Turns screws and knobs on control borad to
adjust flow of reagents, airflow, phosphate-rock feed rate, and
conveyor belts.
Observes flotation tanks to determine amount of
sand clinging to rock, cyclones to detect persence of solids,
and classifiers to detect wobble in or uneven feed rate of
screw.
Reports belt weight, amount and evenness of feed rate,
waterflow amount, and specific density of slurry to mine, uisng
telephone. Weighs samples from scrubber and conditioner to
determine that amount of reagents in tank meets specifications.
Reviews laboratory test results and makes adjustments required
on control board. Inspects machines and equipment for potential
and actual hazards, wear, leaks, and mechanical malfunctions
requiring maintenance.
Collcets samples at various stage of
operation for laboratory analysis. Records instrument readings,
process conditions, and other operatnig data in shift log.
Manually regulates or shuts down equipment as directed by
supevrisor. May tag samples collected for laboratroy analysis.
May assist in making mechanical repairs to machines and
equipment during shutdown.
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Concentrator Operator
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