Home > Terms > English, UK (UE) > Hot-top liner

Hot-top liner

A professional who lines ingot mould covers (hot-tops) with firebrick and refractory mortar, using handtools. Responsibilities include:

  • Examines cover to determine necessary repairs.
  • Pries or chips defective lining from inside of cover, using crowbar, hammer, or pneumatic chisel.
  • Cleans covers, using wire brush.
  • Mixes specified amount of refractory mortar powder with water and spreads mixture on inside of cover, using trowel.
  • Positions firebrick and refractory ring in mortar, using trowel, tamping bar, and wire clamps.
  • Mixes specified amounts of molasses and graphite to form base for premixed facing solution and applies base and facing solution to cover, using brush.
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