JPS6047803U - Water supply pump turbine idling prevention device - Google Patents

Water supply pump turbine idling prevention device

Info

Publication number
JPS6047803U
JPS6047803U JP13914883U JP13914883U JPS6047803U JP S6047803 U JPS6047803 U JP S6047803U JP 13914883 U JP13914883 U JP 13914883U JP 13914883 U JP13914883 U JP 13914883U JP S6047803 U JPS6047803 U JP S6047803U
Authority
JP
Japan
Prior art keywords
water supply
supply pump
pump turbine
prevention device
idling prevention
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
Application number
JP13914883U
Other languages
Japanese (ja)
Inventor
大坊 勝雄
Original Assignee
株式会社日立製作所
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP13914883U priority Critical patent/JPS6047803U/en
Publication of JPS6047803U publication Critical patent/JPS6047803U/en
Pending legal-status Critical Current

Links

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

【図面の簡単な説明】[Brief explanation of drawings]

第1図は、従来の給水ポンプタービンの起動、停止時に
於けるグランドシール等の蒸気系統図、第2図は、本考
案の一実施例の系統図である。 8・・・給水ポンプタービン排気弁、9・・・復水器、
12・・田−タロ転数検出器、13・・・信号変換器、
14・・・制御器、Sl・・・ロータ回転数検出信号、
S2・・・排気弁操作信号。
FIG. 1 is a steam system diagram of a gland seal, etc. when starting and stopping a conventional water pump turbine, and FIG. 2 is a system diagram of an embodiment of the present invention. 8... Water supply pump turbine exhaust valve, 9... Condenser,
12... Ta-Taro rotation number detector, 13... Signal converter,
14...Controller, Sl...Rotor rotation speed detection signal,
S2...Exhaust valve operation signal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] タービン起動時及び真空保持停止降速時に、高圧側グラ
ンドパツキン部からタービンケーシング内へのシール蒸
気の流入に依るロータの空転現象を防止するためぐ前記
高圧側グランドバッキング部への前記シール蒸気の供給
量を減少させるように、前記給水ポンプタービンと復水
器との間に排気弁を設けたことを特徴とする給水ポンプ
タービンの空転防止装置。
Supplying the sealing steam to the high-pressure side gland backing part in order to prevent the rotor from spinning due to the inflow of sealing steam from the high-pressure side gland packing part into the turbine casing at the time of starting the turbine, stopping vacuum maintenance, and slowing down. An idling prevention device for a water supply pump turbine, characterized in that an exhaust valve is provided between the water supply pump turbine and the condenser so as to reduce the amount of water.
JP13914883U 1983-09-09 1983-09-09 Water supply pump turbine idling prevention device Pending JPS6047803U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13914883U JPS6047803U (en) 1983-09-09 1983-09-09 Water supply pump turbine idling prevention device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13914883U JPS6047803U (en) 1983-09-09 1983-09-09 Water supply pump turbine idling prevention device

Publications (1)

Publication Number Publication Date
JPS6047803U true JPS6047803U (en) 1985-04-04

Family

ID=30311977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13914883U Pending JPS6047803U (en) 1983-09-09 1983-09-09 Water supply pump turbine idling prevention device

Country Status (1)

Country Link
JP (1) JPS6047803U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009228677A (en) * 2008-03-20 2009-10-08 General Electric Co <Ge> Steam turbine and method for determining leakage in steam turbine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009228677A (en) * 2008-03-20 2009-10-08 General Electric Co <Ge> Steam turbine and method for determining leakage in steam turbine

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