Title:
LOCALIZED FLUE GAS DILUTION IN HEAT RECOVERY STEAM GENERATOR
Document Type and Number:
WIPO Patent Application WO/2014/159380
Kind Code:
A3
Abstract:
A heat recovery steam generator (HRSG) (10) including: an economizer (12) configured to heat a working fluid by extracting heat from a flow of flue gas (20). The HRSG includes a diluting fluid injector arrangement (60) configured to inject a diluting fluid (50) effective to dilute a concentration of a gaseous corrosive when compared to an undiluted concentration of the gaseous corrosive in the flow of flue gas. The HRSG also includes a preheater (18) configured to preheat the diluting fluid prior to injection.
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Inventors:
EL ZAHAB ZAHER (US)
FELLER GERALD J (US)
FELLER GERALD J (US)
Application Number:
PCT/US2014/023294
Publication Date:
June 04, 2015
Filing Date:
March 11, 2014
Export Citation:
Assignee:
SIEMENS AG (DE)
SIEMENS ENERGY INC (US)
SIEMENS ENERGY INC (US)
International Classes:
F22D1/12; B01F23/10; F01K23/10; F22D1/02
Foreign References:
| GB1577202A | 1980-10-22 | |||
| US4173949A | 1979-11-13 | |||
| US3910236A | 1975-10-07 |
Attorney, Agent or Firm:
SWANSON, Erik, C. et al. (3501 Quadrangle Blvd. Ste 23, Orlando FL, US)
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