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evaporator operator

A professional who controls evaporating equipment to concentrate suspensions and solutions to specified degree in vacuum tanks or pans. Respnsibilities include:

  • Pumps liquid into evaporator tank or vacuum pan.
  • Moves switches to start vacuum pumps and maintain specified pressure.
  • Turns valves to admit steam into evaporator chest, coils, tubes, or jackets and regulate steam input to maintain specified temperature.
  • Tests concentration of evaporated solution, using refractometer and hydrometer, and adjusts feeds, temperatures, and pressure accordingly.
  • Pumps concentrated liquid to storage.
  • May tend auxiliary equipment, such as settling tanks, preheating tanks, condensers, and cooling equipment.
  • May supervise workers weighing and mixing batches to predetermined formulas.
  • May pump batch through sterilizer.
  • May control chiller to reduce temperature of fresh citrus juice.
  • May be designated according to material evaporated as Evaporator Operator, Molasses; Tomato-Paste Maker.
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