JPS55101706A - Safety system for steam turbine - Google Patents
Safety system for steam turbineInfo
- Publication number
- JPS55101706A JPS55101706A JP954479A JP954479A JPS55101706A JP S55101706 A JPS55101706 A JP S55101706A JP 954479 A JP954479 A JP 954479A JP 954479 A JP954479 A JP 954479A JP S55101706 A JPS55101706 A JP S55101706A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- steam
- relay
- speed
- main
- 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
PURPOSE: To facilitate maintenance and inspection of steam turbine, by assembling in one unit an emergency means for stopping operation of turbine safely at the time of emergency by closing a main steam stopping valve and a speed-relay shut-off valve capable of opening and closing a steam adjustment valve at the time of adjustment while main steam valve being closed.
CONSTITUTION: Safety device 3, having an emergency means and a speed-relay shut-off valve assembled in one unit, comprises a valve sleeve 8 fitted in axially slidable manner in cylinder 6 of main body 5 and a spool valve 14 fitted in axially slidable manner in the cylinder 6 and having three valve elements 11W13 spaced axially from each other. Valve shaft 15 of the spool valve 14 is normally held in engagement with trip finger 19 at its right-side end portion. At the time of emer gency like tripping, rotary protruding metal 20 comes into abutment with arm 19a of trip finger 19 so that trip finger 19 is disengaged from valve shaft 15. Passage 23 is connected to conduit 22 which is communicated to speed relay 2 and starter, and the relay 2 is in turn connected to steam adjustment valve 1. Further, passage 27 is communicated to main-steam stopping valve 4.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP954479A JPS55101706A (en) | 1979-01-30 | 1979-01-30 | Safety system for steam turbine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP954479A JPS55101706A (en) | 1979-01-30 | 1979-01-30 | Safety system for steam turbine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55101706A true JPS55101706A (en) | 1980-08-04 |
Family
ID=11723210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP954479A Pending JPS55101706A (en) | 1979-01-30 | 1979-01-30 | Safety system for steam turbine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55101706A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017104036A1 (en) * | 2015-12-17 | 2017-06-22 | 三菱重工コンプレッサ株式会社 | Trip system for steam turbine |
-
1979
- 1979-01-30 JP JP954479A patent/JPS55101706A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017104036A1 (en) * | 2015-12-17 | 2017-06-22 | 三菱重工コンプレッサ株式会社 | Trip system for steam turbine |
JPWO2017104036A1 (en) * | 2015-12-17 | 2018-08-16 | 三菱重工コンプレッサ株式会社 | Steam turbine trip system |
US10550719B2 (en) | 2015-12-17 | 2020-02-04 | Mitsubishi Heavy Industries Compressor Corporation | Trip system for steam turbine |
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