| 摘要 |
PROBLEM TO BE SOLVED: To provide a collar supported pressure part in steam generating equipment such as a boiler.SOLUTION: A heat recovery steam generator system is disclosed herein that comprises: a vestibule comprising a base plate, a roof plate, and side walls, where the base plate is opposedly disposed to the roof plate; a heat exchanger space through which an exhaust gas stream is charged, where the vestibule is disposed atop a heat exchanger space, and where the vestibule comprises at least one header in fluid communication with a tube bundle, 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 strap that is reversibly attached to the base plate as well as to the roof plate of the vestibule or to a structural member in the vestibule, and where each tube of the tube bundle contacts a collar that rests on the base plate.SELECTED DRAWING: Figure 2 |
