Heat Recovery Steam Generators for Combined Cycle Power Plants

AC BOILERS SpA, formerly Ansaldo Caldaie, has extensive experience with Heat Recovery Steam Generators for large Combined Cycle Power Plants and has installed over 100 units in Italy and abroad.
Our range of production includes:

 Horizontal, natural circulation type

  • One to three pressure levels up to the maximum HP steam operating pressures and temperatures
  • With or without reheat
  • Natural circulation
  • Cold casing
  • Top supported
  • Design for cycling operation
  • With or without supplementary firing and/or fresh air firing mode with forced draft fan

 Horizontal, Once-Through Benson type

  • Once-through HP evaporator
  • Reduced start-up times and increased number of allowable start-ups
  • Flexibility and enhanced dynamic characteristics
  • Suitable for future advanced combined cycle steam parameters

 Vertical, assisted circulation type

  • One to three pressure levels up to the maximum HP steam operating pressures and temperatures
  • With or without reheat
  • Assisted circulation
  • Cold and hot casing
  • Top supported
  • Design for cycling operation
  • With or without supplementary firing and/or fresh air firing mode with forced draft fan

Brochure AC Boilers