Title of Invention

HEAT RECOVERY STEAM GENERATOR

Abstract HEAT RECOVERY STEAM GENERATOR The water flow circuit for a heat recovery steam generator (10) is a hybrid system which combines a circulating drum type circuit and a once-through circuit. A low pressure evaporator (16) is designed for natural or forced circulation and a high pressure evaporator (64) is designed for once-through flow. Orifices (68) may be located in the inlet of the evaporator tubes (64) for flow stability and an intermediate header (70) between the evaporator (64) and high pressure superheater (66) improves stability, minimizes orifice pressure drop and equalizes pressure losses between evaporator tubes (64).
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Documents:


Patent Number 200489
Indian Patent Application Number IN/PCT/2000/305
PG Journal Number N/A
Publication Date
Grant Date 29-Dec-2006
Date of Filing 11-Sep-2000
Name of Patentee ALSTOM POWER INC.
Applicant Address 2000 DAY HILL ROAD, WINDSOR, CONNECTICUT 06095, UNITED STATES OF AMERICA.
Inventors:
# Inventor's Name Inventor's Address
1 1. BAIRLEY, DONALD, WILLIAM 2. PALKES, MARK 3. WARYASZ, RICHARD, EDWARD 1. 411 Conestogo Street, CT 06095, USA. 2. 57 Butler Drive, Glastonbury, CT 06033, USA. 3. 767 Shaker Road, Longmeadow, MA 01106, USA.
PCT International Classification Number F 22 B 1/18
PCT International Application Number PCT/US99/06345
PCT International Filing date 1999-03-23
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 09/054662 1999-04-03 U.S.A.