JPS5683503A - Steam turbine - Google Patents
Steam turbineInfo
- Publication number
- JPS5683503A JPS5683503A JP16079379A JP16079379A JPS5683503A JP S5683503 A JPS5683503 A JP S5683503A JP 16079379 A JP16079379 A JP 16079379A JP 16079379 A JP16079379 A JP 16079379A JP S5683503 A JPS5683503 A JP S5683503A
- Authority
- JP
- Japan
- Prior art keywords
- stage
- partial injection
- vane
- steam
- guide plate
- 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
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
PURPOSE: To improve the stage efficiencies of the second stage and succeeding stages providing a semicircular guide plate mating with a partial injection angle at the outlet part of the initial stage, in a steam turbine using a partial injection at the initial stage.
CONSTITUTION: The initial Curtis stage comprises a rotating part consisting of the first row moving vane 2 add the second stationary vane 3, a passage part consisting of stationary vane 7a and guide vane 8 which are implantedly provided radially in correspondence to the partial injection angle. A semicircular guide plate 11 having U-shaped cross section and mating with the partial injection angle is provided at the outlet part from the central part from the moving vane 3 to the tip end. A steam flow (A) branched from the main flow (S) flows along the guide plate 11 in the peripheral direction, and reaches a place in which a steam shield 9 is provided, where it is released to a pressure chamber 10. In this manner, steam flowing "nto the second stage can be made uniform over the entire periphery, and the stage efficiencies of the second stage and succeeding stages are extremely improved.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16079379A JPS5683503A (en) | 1979-12-13 | 1979-12-13 | Steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16079379A JPS5683503A (en) | 1979-12-13 | 1979-12-13 | Steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5683503A true JPS5683503A (en) | 1981-07-08 |
Family
ID=15722567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16079379A Pending JPS5683503A (en) | 1979-12-13 | 1979-12-13 | Steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5683503A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11107701A (en) * | 1997-10-01 | 1999-04-20 | Mitsubishi Heavy Ind Ltd | Axial flow turbine |
| WO2020161985A1 (en) * | 2019-02-07 | 2020-08-13 | 三菱重工業株式会社 | Loss reduction device for use in partial admission turbine and partial admission turbine |
-
1979
- 1979-12-13 JP JP16079379A patent/JPS5683503A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11107701A (en) * | 1997-10-01 | 1999-04-20 | Mitsubishi Heavy Ind Ltd | Axial flow turbine |
| WO2020161985A1 (en) * | 2019-02-07 | 2020-08-13 | 三菱重工業株式会社 | Loss reduction device for use in partial admission turbine and partial admission turbine |
| JP2020128706A (en) * | 2019-02-07 | 2020-08-27 | 三菱重工マリンマシナリ株式会社 | Loss reducing device used for partial feed-in turbine, and partial feed-in turbine |
| KR20210105969A (en) * | 2019-02-07 | 2021-08-27 | 미쓰비시주코마린마시나리 가부시키가이샤 | Loss reduction devices and partial-feed turbines used in partial-feed turbines |
| CN113383146A (en) * | 2019-02-07 | 2021-09-10 | 三菱重工船用机械株式会社 | Loss reduction device for partial feed turbine and partial feed turbine |
| CN113383146B (en) * | 2019-02-07 | 2023-09-15 | 三菱重工船用机械株式会社 | Loss reduction device for partial feeding into turbine and partial feeding into turbine |
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