One of the most important industry trends of recent years has been the transition from base load operation to the daily cycling of combined cycle power facilities. This transition has created numerous challenges with respect to HRSG design. Coil layout of older designs that had previously been detailed to be the most economical for fabrication, have proven to be problematic when it comes to the rigors of daily cyclic activity. As such the layout, support and overall design of Superheaters, Reheaters and Economizers coils have evolved in new HRSG construction to meet the needs of these new operational expectations.
Whether it is with the support systems themselves or changes to the layout and construction methods of the coils, Nooter/Eriksen’s unique engineering approach has pushed the state of the art in ways that provide for the most robust coils which are able to withstand today’s more demanding operational requirements.
This however does not have to be the exclusive realm of the newly constructed HRSG. Nooter/Eriksen can, and routinely does, upgrade coils in the existing HRSG market to take advantage of these advanced design considerations allowing them to cycle with little fear of costly forced outages. We can retrofit existing HRSG’s to take advantage of the latest upgrades and provide end-users who currently operate units prone to cyclic tube failures with options that allow them to increase the longevity and lifespan of their facilities.