HRSG inspection, maintenance and repair

Paul D. Gremaud,    Nooter/Eriksen, Inc., Fenton, MO, United States


A heat recovery steam generator (HRSG) is a large, complex piece of equipment and, as such, requires regular inspection and maintenance, and occasional repairs to keep it functioning in a safe, efficient, and reliable manner. Hot inspection and maintenance that is conducted while the HRSG is operating, cold inspection and maintenance that is conducted when the HRSG is shut down and allowed to cool, and common repairs to HRSGs are reviewed in this chapter.


Expansion joint; burner runner; penetration seals; high-temperature; liner system; steam drum

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