Crucible degassing/impeller station

Impeller stations are used for post-processing of the aluminium melt within the transport containers through the addition of purge gas.

Technical specifications:

  • System solutions based on the design of the container and the customer’s individual installation
  • Tried-and-tested technology with stirring equipment that can be raised, lowered or swivelled
  • Melt bath gas treatment with argon, nitrogen or combined gas
  • Stirring system with centring neck, rotor and gas nozzles
  • System operation via PLC
  • Programme-controlled melt bath treatment with selectable rotor direction
  • Selectable speed, amount and type of purge gas, and treatment duration


  • Distribution of the gas flow into very fine bubbles
  • Even spread of purge gas throughout the melt
  • Optimised mixing of the entire melt
  • Reduction of the hydrogen component in the melt

Download the impeller station information sheet

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