Patent ID: 9739475
Date: 2017-08-22
CPC Classifications: F22B,Y02E

Claim:
1. A heat recovery steam generator system comprising: a vestibule comprising a base plate, a roof and side walls, the base plate being opposedly disposed to the roof; a heat exchanger space through which an exhaust gas stream is charged, where the vestibule is disposed atop a heat exchanger space, where the vestibule comprises at least one header in fluid communication with a tube bundle, and where a portion of the tube bundle is disposed in the heat exchanger space; and a support system for the tube bundle, where the support system comprises a collar attached to at least one tube of the tube bundle and resting on the base plate, and a strap connecting the base plate to the roof or to a structural member in the vestibule; wherein the collar transfers a load imparted from the tube bundle to the base plate; and wherein the strap transfers a load from the base plate to the roof or the structural member.