US3919839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion gas turbine/steam generator plant
Assignee: Sulzer AG
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Filing: 1974-09-24
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Granted: 1975-11-18
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Expires: 1994-09-24
Abstract
Abstract A fired steam generator is interconnected with a gas turbine/steam generator plant having at least one gas turbine group followed by an exhaust-gas steam generator. The exhaust-gas steam generator has a preheater and an evaporator. The inlet of the preheater is connected to a feedwater distribution line which also feeds a preheater in the fired steam generator. The outlet of the preheater is connected to the evaporator of the fired steam generator. The evaporator outlet of the exhaust-gas steam generator is connected to the input of a superheater in the fired steam generator.
Inventors
- 👤 Emile Aguet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:00
CPC Classifications
F; F01; F01K; F01K23/00; F01K23/02; F01K23/06; F01K23/10
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
148 words
A combustion gas turbine/steam power plant comprising at least one gas turbine group including a compressor, combustion chamber and gas turbine interconnected to produce a flow of exhaust gas; an exhaust-gas steam generator connected to said gas turbine to receive the flow of exhaust gas therefrom, said steam generator including a feed-water preheater for preheating a flow of feed water and an evaporator connected to said preheater to vaporize a flow of preheated feed water therefrom; and a fired steam generator having an evaporator and a superheater therein, said evaporator of said fired steam generator being connected to said preheater of said exhaust gas steam generator to receive a flow of preheated feed water therefrom, and said superheater of said fired steam generator being connected to said evaporator of said exhaust gas steam generator and to said evaporator of said fired steam generator to receive steam from each.
Claim 2
Dependent Claim
148 words
A combustion gas turbine/steam power plant comprising at least one gas turbine group including a compressor, combustion chamber and gas turbine interconnected to produce a flow of exhaust gas; an exhaust-gas steam generator connected to said gas turbine to receive the flow of exhaust gas therefrom, said steam generator including a feed-water preheater for preheating a flow of feed water and an evaporator connected to said preheater to vaporize a flow of preheated feed water therefrom; and a fired steam generator having an evaporator and a superheater therein, said evaporator of said fired steam generator being connected to said preheater of said exhaust gas steam generator to receive a flow of preheated feed water therefrom, and said superheater of said fired steam generator being connected to said evaporator of said exhaust gas steam generator and to said evaporator of said fired steam generator to receive steam from each.
Claim 3
Dependent Claim
35 words
A plant as set forth in claim 1 wherein said preheater of said exhaust-gas steam generator is dimensioned to receive at least twice the feed water evaporated in said evaporator of said exhaust gas-steam generator.
Claim 4
Dependent Claim
56 words
A plant as set forth in claim 1 wherein said fired steam generator further includes a preheater for preheating a flow of feed water, and which further comprises a distribution line connected to said preheater of said exhaust-gas steam generator and said preheater of said fired steam generator to deliver feed water to each said preheater.
Claim 5
Dependent Claim
32 words
A plant as set forth in claim 1 wherein said fired steam generator is characterized by a firing dimensioned to produce a higher firing performance upon failure of said gas turbine group.
Claim 6
Dependent Claim
44 words
A plant as set forth in claim 1 which comprises means for disconnecting said evaporator of said fired steam generator from said preheater of said exhaust-gas steam generator and said superheater of said fired steam generator from said evaporator of said exhaust-gas steam generator.
Claim 7
Dependent Claim
39 words
A plant as set forth in claim 1 which comprises a pair of said gas turbine groups and a pair of said exhaust-gas steam generators connected in parallel with said evaporator and said superheater of said fired steam generator.
Claim 8
Dependent Claim
172 words
A combustion gas turbine/steam power plant comprising at least one gas turbine group for producing a flow of exhaust gas; an exhaust-gas steam generator connected to said gas turbine to receive the flow of exhaust gas therefrom, said steam generator including a feed-water preheater for preheating a flow of feed water and an evaporator connected to said preheater to vaporize a flow of preheated feed water therefrom; a fired steam generator having an evaporator and a superheater therein, said evaporator of said fired steam generator being connected to said preheater of said exhaust-gas steam generator to receive a flow of preheated feed water therefrom, and said superheater of said fired steam generator being connected to said evaporator of said exhaust-gas steam generator and to said evaporator of said fired steam generator to receive steam from each; a first electric generator connected wiTh said gas turbine group to produce an amount of electrical power; and a second electric generator connected with said fired steam generator to produce a second amount of electrical power.
Claim 9
Dependent Claim
172 words
A combustion gas turbine/steam power plant comprising at least one gas turbine group for producing a flow of exhaust gas; an exhaust-gas steam generator connected to said gas turbine to receive the flow of exhaust gas therefrom, said steam generator including a feed-water preheater for preheating a flow of feed water and an evaporator connected to said preheater to vaporize a flow of preheated feed water therefrom; a fired steam generator having an evaporator and a superheater therein, said evaporator of said fired steam generator being connected to said preheater of said exhaust-gas steam generator to receive a flow of preheated feed water therefrom, and said superheater of said fired steam generator being connected to said evaporator of said exhaust-gas steam generator and to said evaporator of said fired steam generator to receive steam from each; a first electric generator connected wiTh said gas turbine group to produce an amount of electrical power; and a second electric generator connected with said fired steam generator to produce a second amount of electrical power.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-11-17 | 1979-05-19 | 1979-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-17 | 1983-05-19 | 1983-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-17 | 1987-05-19 | 1987-11-18 | $7700.00 | Window Closed / Lapsed |