Classification of Boiler Systems

Low Pressure Boiler

  • operating pressure up to 68 bar.

High Pressure Boiler

  • operating pressure above 68 bar.

Official methods and guidelines are as below:

  • VDTUV
  • ASME

Problems in Boiler Systems

Deposits ;

  • hardness
  • organic matter
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Corrosion ;

  • free carbon dioxide
  • Oxygen
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Methods of Water Treatment

  • Preparation of Boiler feed  water
  • Treatment of  feedwater
  • Treatment of steam/condensate

Scheme of a Boiler System