| Job Title |
Cupola Operator, Insulation |
| Job Description |
Operates Water-cooled Cupola Furnace And Related Equipment To
Melt Coke, Slag, Basalt, Lime, And Silica Into Molten Mineral,
And Spins Molten Mineral Into Mineral Wool Fibers: Lights Fire
In Furnace To Melt Charge. Reads Gauges And Turns Valves To
Regulate Water And Steam Pressure. Observes Melting Of
Ingredients In Furnace Through Porthole, And Adjusts Airblast On
Flaming Coke Bed To Control Intensity Of Heat And Melting
Process. Activates Spinning Wheel. Removes Taphole Plug To Allow
Molten Stream To Flow Into Water-cooled Furnace Trough, Over
High-pressure Steam Jet And Into Spinning Wheel, To Be Spun Into
Mineral Wool Fibers. Observes Color Intensity And Flow Of Molten
Stream To Determine Suitability For Spinning. Adjusts Distance
Of Steam Ring And Spinning Wheel From End Of Trough To Control
Length Of Spun Fibers. Scrapes Residue Slag From Trough And
Spinning Wheel, Using Bar And Scraper.
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