公开(公告)号：US09739475B2

公开(公告)日：2017-08-22

申请号：US14689539

申请日：2015-04-17

Applicant: ALSTOM Technology ltd

Inventor： Jeffrey Fred Magee ,  Wesley Paul Bauver, II ,  Van Dang ,  Robert William Moore

IPC: F28F9/007 ,  F22B1/18 ,  F22B37/10 ,  F22B37/20 ,  F22B37/24

CPC classification number: F22B1/1815 ,  F22B37/107 ,  F22B37/205 ,  F22B37/244 ,  Y02E20/14 ,  Y02E20/16

Abstract: Disclosed herein is a heat recovery steam generator system comprising a vestibule comprising a base plate, a roof and side walls; where the base plate is 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; 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 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.