JPH0181411U - - Google Patents
Info
- Publication number
- JPH0181411U JPH0181411U JP1987177510U JP17751087U JPH0181411U JP H0181411 U JPH0181411 U JP H0181411U JP 1987177510 U JP1987177510 U JP 1987177510U JP 17751087 U JP17751087 U JP 17751087U JP H0181411 U JPH0181411 U JP H0181411U
- Authority
- JP
- Japan
- Prior art keywords
- steam turbine
- pressure steam
- inlet
- valve
- high pressure
- 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
Landscapes
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Description
第１図および第２図は本考案の一実施例を示す
説明図、第３図は従来のプラントの例を示す説明
図である。
１……ボイラ；２……低温過熱器；３……高温
過熱器；４……高圧タービン流量調整弁；５……
高圧タービン；６……高圧タービンバイパス弁；
７……ボイラ抽気弁；８……再熱器；９……中低
圧タービン流量調整弁；１０……中低圧タービン
；１１……中低圧タービンバイパス弁；１２……
復水器；１３……第１の切換弁；１４……第２の
切換弁；１６……中低圧タービン入口蒸気温度設
定回路；１８……減算器；１９……制御回路。
FIGS. 1 and 2 are explanatory views showing one embodiment of the present invention, and FIG. 3 is an explanatory view showing an example of a conventional plant. 1... Boiler; 2... Low-temperature superheater; 3... High-temperature superheater; 4... High-pressure turbine flow rate adjustment valve; 5...
High pressure turbine; 6...High pressure turbine bypass valve;
7... Boiler bleed valve; 8... Reheater; 9... Medium and low pressure turbine flow rate adjustment valve; 10... Medium and low pressure turbine; 11... Medium and low pressure turbine bypass valve; 12...
Condenser; 13...First switching valve; 14...Second switching valve; 16...Medium and low pressure turbine inlet steam temperature setting circuit; 18...Subtractor; 19...Control circuit.
Claims (1)
蒸気タービン流量調整弁と、高圧蒸気タービンと
、再熱器と、中低圧蒸気タービン流量調整弁と、
中低圧蒸気タービンと、復水器とが順次直列に接
続され、上記低温過熱器の出口と上記復水器の入
口とがボイラ抽気弁を具えたバイパス管路により
、上記高圧蒸気タービン流量調整弁の入口と上記
高圧蒸気タービンの出口とが高圧蒸気タービンバ
イパス弁を具えたバイパス管路により、上記中低
圧蒸気タービン流量調整弁の入口と上記復水器の
入口とが中低圧蒸気タービンバイパス弁を具えた
バイパス管路により、それぞれ連通された再熱復
水蒸気タービンプラントにおいて、上記ボイラ抽
気弁を具えたバイパス管路に介装した第１の切換
弁を介して該管路と上記高圧蒸気タービンの出口
とを連通するとともに、上記高圧蒸気タービンバ
イパス弁を具えたバイパス管路に介装した第２の
切換弁を介して該管路と上記復水器の入口とを連
通し、上記中低圧蒸気タービン入口蒸気温度によ
り上記第１および第２の切換弁を制御するように
したことを特徴とする中低圧タービン入口蒸気温
度制御装置。 A boiler, a low temperature superheater, a high temperature superheater, a high pressure steam turbine flow rate adjustment valve, a high pressure steam turbine, a reheater, a medium and low pressure steam turbine flow rate adjustment valve,
A medium-low pressure steam turbine and a condenser are sequentially connected in series, and an outlet of the low-temperature superheater and an inlet of the condenser are connected to each other by a bypass pipe equipped with a boiler bleed valve. The inlet of the medium and low pressure steam turbine flow rate adjustment valve and the inlet of the condenser are connected by a bypass pipe line having a high pressure steam turbine bypass valve between the inlet of the medium and low pressure steam turbine and the outlet of the high pressure steam turbine. In the reheat condensing steam turbine plants, which are connected to each other by bypass pipes provided with the boiler bleed valve, the pipes and the high pressure steam turbine are connected through a first switching valve interposed in the bypass pipe provided with the boiler bleed valve. The outlet and the inlet of the condenser are communicated via a second switching valve interposed in the bypass line provided with the high pressure steam turbine bypass valve, and the medium and low pressure steam is communicated with the inlet of the condenser. An intermediate and low pressure turbine inlet steam temperature control device, characterized in that the first and second switching valves are controlled according to the turbine inlet steam temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177510U JPH0181411U (en) | 1987-11-24 | 1987-11-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177510U JPH0181411U (en) | 1987-11-24 | 1987-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0181411U true JPH0181411U (en) | 1989-05-31 |
Family
ID=31469171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987177510U Pending JPH0181411U (en) | 1987-11-24 | 1987-11-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0181411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013124842A (en) * | 2011-12-16 | 2013-06-24 | Ihi Corp | Energy using system |
-
1987
- 1987-11-24 JP JP1987177510U patent/JPH0181411U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013124842A (en) * | 2011-12-16 | 2013-06-24 | Ihi Corp | Energy using system |
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