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Job Description:

  • 1) 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.

  • 2) Turns screws and knobs on control board to adjust flow of reagents, airflow, phosphate-rock feed rate, and conveyor belts.

  • 3) 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.

  • 4) Reports belt weight, amount and evenness of feed rate, waterflow amount, and specific density of slurry to mine, using telephone.

  • 5) Weighs samples from scrubber and conditioner to determine that amount of reagents in tank meets specifications.

  • 6) Reviews laboratory test results and makes adjustments required on control board.

  • 7) Inspects machines and equipment for potential and actual hazards, wear, leaks, and mechanical malfunctions requiring maintenance.

  • 8) Collects samples at various stage of operation for laboratory analysis.

  • 9) Records instrument readings, process conditions, and other operating data in shift log.

  • 10) Manually regulates or shuts down equipment as directed by supervisor.

  • 11) May tag samples collected for laboratory analysis.

  • 12) May assist in making mechanical repairs to machines and equipment during shutdown.




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End Of Job Description for: "CONCENTRATOR OPERATOR"
DOT:   511.462-010

Job Number: 2217