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Job Description:

  • 1) Tends ball mill that grinds ore and classifier that separates coarse from fine particles: Turns pump valves and moves conveyor-control levers to feed soda ash, starch, lime, water, ore, and other materials into ball mill to make slurry.

  • 2) Adds chemical reagent to slurry that causes fine particles to float and enables classifier to separate fine from coarse particles and to return coarse ones to mill for regrinding.

  • 3) Obtains sample of slurry in bucket from mill and classifier.

  • 4) Weighs sample and calculates density of mixture or titrates sample to measure alkalinity.

  • 5) May examine ore tactually or observe its color to ascertain size of particles.

  • 6) May set automatic device to regulate amount of ore passing on conveyor belt to ball mill.




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End Of Job Description for: "GRINDER-MILL OPERATOR"
DOT:   519.485-010

Job Number: 4684