JPS6475803A - Method of operating gas turbing exhaust after burning boiler - Google Patents
Method of operating gas turbing exhaust after burning boilerInfo
- Publication number
- JPS6475803A JPS6475803A JP23094087A JP23094087A JPS6475803A JP S6475803 A JPS6475803 A JP S6475803A JP 23094087 A JP23094087 A JP 23094087A JP 23094087 A JP23094087 A JP 23094087A JP S6475803 A JPS6475803 A JP S6475803A
- Authority
- JP
- Japan
- Prior art keywords
- combustion
- exhaust
- draft fan
- forced draft
- boiler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
PURPOSE: To enable atmospheric air to be supplied by a method wherein a shutoff pressure of a forced draft fan is selected higher than a draft on the boiler side during the re-combustion of exhaust gas and following the starting of the forced draft fan immediately after the stoppage of a gas turbine, an outlet damper is opened immediately to minimize air for combustion while eliminating the back flow thereof in the gas turbine on the side of the forced draft fan. CONSTITUTION: For example, in the selection of a forced draft fan, a boiler draft is 400 mmAq and a shutoff pressure 500 mmAq during the re-combustion of an exhaust. Once the forced draft fan is started, there is no reversion of an exhaust gas in a gas turbine even when an outlet damper is opened. In the combustion in the atmospheric air, the boiler draft comes down to 280 mmAq from the re-combustion of the exhaust as the amount and temperature of air supplied to a boiler lower to secure air in the atmospheric combustion. After checking to see that about 10 sec. is given to the completion of the starting of the forced draft fan and a timer 11 is set to 12 sec.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23094087A JPS6475803A (en) | 1987-09-17 | 1987-09-17 | Method of operating gas turbing exhaust after burning boiler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23094087A JPS6475803A (en) | 1987-09-17 | 1987-09-17 | Method of operating gas turbing exhaust after burning boiler |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6475803A true JPS6475803A (en) | 1989-03-22 |
Family
ID=16915688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23094087A Pending JPS6475803A (en) | 1987-09-17 | 1987-09-17 | Method of operating gas turbing exhaust after burning boiler |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6475803A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007232262A (en) * | 2006-02-28 | 2007-09-13 | Hitachi Ltd | Cogeneration plant and its operating method |
-
1987
- 1987-09-17 JP JP23094087A patent/JPS6475803A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007232262A (en) * | 2006-02-28 | 2007-09-13 | Hitachi Ltd | Cogeneration plant and its operating method |
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