JPS6092705U - Steam turbine water injection device - Google Patents
Steam turbine water injection deviceInfo
- Publication number
- JPS6092705U JPS6092705U JP18363583U JP18363583U JPS6092705U JP S6092705 U JPS6092705 U JP S6092705U JP 18363583 U JP18363583 U JP 18363583U JP 18363583 U JP18363583 U JP 18363583U JP S6092705 U JPS6092705 U JP S6092705U
- Authority
- JP
- Japan
- Prior art keywords
- water injection
- steam turbine
- injection device
- injection valve
- 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 Turbines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、従来の蒸気タービンの水噴射装置の概略系統
図、第２図は、従来の蒸気タービンの水噴射装置におけ
る、低圧排気温度と水噴射弁開度の関係を示す線図、第
３図は本考案の一実施例の蒸気タービンの水噴射装置の
概略系統図、第４図は本考案による蒸気タービンの水噴
射装置における、低圧排気室温度と水噴射弁開度の関係
を示す線図である。
１・・・温度伝送器、２・・・圧力選択器■、３・・・
水噴射弁、４・・・水噴射弁ポジショナ、５・・・水噴
射弁駆動部、６・・・スプレーノズル、７・・・圧力選
択器■、８・・・圧力増幅器、９・・・空気作動弁、１
ｏ・・・低圧排気室、１１・・・減圧弁。Fig. 1 is a schematic system diagram of a conventional water injection device for a steam turbine, and Fig. 2 is a diagram showing the relationship between low-pressure exhaust temperature and water injection valve opening in a conventional water injection device for a steam turbine. Figure 3 is a schematic system diagram of a water injection device for a steam turbine according to an embodiment of the present invention, and Figure 4 shows the relationship between the low-pressure exhaust chamber temperature and the opening degree of the water injection valve in the water injection device for a steam turbine according to the present invention. It is a line diagram. 1...Temperature transmitter, 2...Pressure selector ■, 3...
Water injection valve, 4... Water injection valve positioner, 5... Water injection valve drive unit, 6... Spray nozzle, 7... Pressure selector ■, 8... Pressure amplifier, 9... Air operated valve, 1
o...Low pressure exhaust chamber, 11...Pressure reducing valve.
Claims (1)
噴射弁、信号変換器、配管、減圧弁スプレーノイズおよ
び圧力選択器の構成に、信号変換器の出力信号を増幅す
る信号増幅器及び空気作動弁を設けることにより、低圧
ケーシング内部の温度上昇時あるいは下降時に水噴射弁
を中間開度の状態まで急開あるいは急閉することにより
冷却水を噴射あるいは遮断させ、水噴射弁動作開始ある
いは、微開運転時の水滴落下を防止することを特徴とす
る蒸気タービンの水噴射装置。In a low-pressure casing water injection device for a steam turbine, a signal amplifier and an air-operated valve for amplifying the output signal of the signal converter are provided in the configuration of the water injection valve, signal converter, piping, pressure reducing valve spray noise, and pressure selector. When the temperature inside the low-pressure casing rises or falls, the water injection valve is suddenly opened or closed to an intermediate opening position to inject or shut off the cooling water, and the water injection valve starts operating or when the water injection valve is slightly opened. A water injection device for a steam turbine characterized by preventing water droplets from falling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18363583U JPS6092705U (en) | 1983-11-30 | 1983-11-30 | Steam turbine water injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18363583U JPS6092705U (en) | 1983-11-30 | 1983-11-30 | Steam turbine water injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6092705U true JPS6092705U (en) | 1985-06-25 |
Family
ID=30397382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18363583U Pending JPS6092705U (en) | 1983-11-30 | 1983-11-30 | Steam turbine water injection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6092705U (en) |
-
1983
- 1983-11-30 JP JP18363583U patent/JPS6092705U/en active Pending
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