| Job Title |
Control Operator |
| Job Description |
Controls Temperature, Chemical Composition, And Level Of
Cryolite Baths In Reduction Pots To Smelt Aluminum Oxide Into
Aluminum: Breaks Off Sample Piece Of Crust Formed On Bath
Surface, And Grinds It Into Powder, Using Roll Crusher. Routes
Sample To Laboratory For Analysis. Dips Out Sample Of Solution
And Pours It Into Containers, Using Ladle. Drops Chemicals Into
Sample And Notes Resultant Color. Adds Specified Amounts Of
Chemicals And Alloys To Bath, According To Color Shade Of
Sample, To Maintain Solution At Specified Level And Composition.
Measures Current Flow And Voltage Between Electrical Connections
On Pots, Using Meters, And Computes Voltage Drop Between
Connections. Measures Temperature Of Bath, Heat Exchangers, And
Heat-control Pipes, Using Pyrometer, And Turns Rheostat To
Regulate Temperature. Verifies Specified Distance Between
Electrodes, Using Measuring Rod. Measures Depth Of Bath, And
Computes Amount Of Aluminum Available For Tapping. Records Tests
Made, Amount Of Chemicals And Alloys Added To Bath, And Amount
Of Aluminum Tapped From Pots.
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