JPS5447908A - Low pressure exhaust chamber - Google Patents
Low pressure exhaust chamberInfo
- Publication number
- JPS5447908A JPS5447908A JP11461777A JP11461777A JPS5447908A JP S5447908 A JPS5447908 A JP S5447908A JP 11461777 A JP11461777 A JP 11461777A JP 11461777 A JP11461777 A JP 11461777A JP S5447908 A JPS5447908 A JP S5447908A
- Authority
- JP
- Japan
- Prior art keywords
- flow
- spray water
- plate
- exhaust chamber
- low 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
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
PURPOSE: To prevent the blade root portion of a condensing steam turbine from eroding by spray water when spray water is ejected in a low pressure exhaust chamber having a spray water injection unit in the turbine.
CONSTITUTION: Exhaust flow in a low pressure exhaust chamber is divided into main exhaust flow F1 introduced directly into a condenser, vortex flow F2 into the blade root portion, and flow F3 introduced through cutout S formed at the end approaching the blade 7a of circular guide plate 20 provided at the downstream of final stage movable blade 7a into radially inner side of the plate 20 to reach the condenser while restricting the flow F2 by the plate 20. A spray water injection nozzle 17 is mounted at the side facing with the exhaust chamber side plate 5 and bearing cone 6 of the plate 20 to spray water toward the range 18a. The nozzle 17 is set at 120° or larger at its injection angle β so that the flow F2 may not wind water droplets even by considering the expansion 19a of the actual spraying range
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11461777A JPS5447908A (en) | 1977-09-26 | 1977-09-26 | Low pressure exhaust chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11461777A JPS5447908A (en) | 1977-09-26 | 1977-09-26 | Low pressure exhaust chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5447908A true JPS5447908A (en) | 1979-04-16 |
Family
ID=14642330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11461777A Pending JPS5447908A (en) | 1977-09-26 | 1977-09-26 | Low pressure exhaust chamber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5447908A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4388540A (en) * | 1979-11-23 | 1983-06-14 | U.S. Philips Corporation | Controllable multiplier circuit with expanded gain control range |
| US4847526A (en) * | 1985-07-11 | 1989-07-11 | Nippon Ferrofluidics Corporation | Variant-pole electric motor |
| CN110325714A (en) * | 2017-03-30 | 2019-10-11 | 三菱日立电力系统株式会社 | The exhaust chamber and steam turbine of steam turbine |
-
1977
- 1977-09-26 JP JP11461777A patent/JPS5447908A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4388540A (en) * | 1979-11-23 | 1983-06-14 | U.S. Philips Corporation | Controllable multiplier circuit with expanded gain control range |
| US4847526A (en) * | 1985-07-11 | 1989-07-11 | Nippon Ferrofluidics Corporation | Variant-pole electric motor |
| CN110325714A (en) * | 2017-03-30 | 2019-10-11 | 三菱日立电力系统株式会社 | The exhaust chamber and steam turbine of steam turbine |
| EP3604747A4 (en) * | 2017-03-30 | 2020-12-09 | Mitsubishi Hitachi Power Systems, Ltd. | Steam turbine exhaust chamber, and steam turbine |
| US11131217B2 (en) | 2017-03-30 | 2021-09-28 | Mitsubishi Power, Ltd. | Steam turbine exhaust chamber and steam turbine |
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