Energy-efficient steam boiler system - Otto Wirl GmbH

  • Steam boiler system 5,300kg/h
  • Business-optimised design according to the precise determination of needs
  • Exhaust gas heat exchanger for heating the feed water
  • Flash heat exchanger for heating additional water with the flash steam
  • Designed for low-salt operation to reduce blowdown losses
  • Water treatment plant, consisting of a softener and a downstream osmosis plant
  • Modern gas burner
  • Insulation of piping

Result of the new steam boiler system

  • Improvement in boiler effectiveness
  • Reduction in exhaust gas temperature at full load to 122°C
  • High concentration through water treatment
  • Reduction in radiation losses
  • Increased operational reliability
  • Reduction in noise emissions


  • General contracting
  • Submission of documents to the authorities
  • Engineering
  • Delivery
  • Mechanical and electrical installation
  • Measurement and control technology
  • Training the operation staff
  • Commissioning

The energy efficiency measures were awarded the klimaaktiv Prize on 5 December 2016. The proven saving amounts to 1,185,700 kWh per year.

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