Concentrator Operator
Overall rating: (N/A)
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Controls 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 board 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 presence of solids,
and classifiers to detect wobble in or uneven feed rate of
screw. Rpeorts belt weight, amount and evenness of feed rate,
waterflow amount, and specific density of slurry to mine, using
telephone. Weighs samples from scrubber and conditioner to
determnie that amount of reagents in tank meets specifications.
Reviews laboratory test results and makes adjustments reuqired
on control board. Inspects machiens and equipment for potential
and actual hazards, wear, leaks, and mechanical malfunctions
requiring maintenance.
Collects samples at various stage of
operation for laboratory analysis. Records instrument readings,
process conditions, and otehr operating data in shift log.
Manually regulates or shuts down equipment as directed by
superviosr.
May tag samples collected for laboratory analysis.
May assist in maknig mechanical repairs to machines and
equipment during shutdown.
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Concentrator Operator
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