JPS5849294U - Water-steam two-phase boundary valve - Google Patents

Water-steam two-phase boundary valve

Info

Publication number
JPS5849294U
JPS5849294U JP1981143999U JP14399981U JPS5849294U JP S5849294 U JPS5849294 U JP S5849294U JP 1981143999 U JP1981143999 U JP 1981143999U JP 14399981 U JP14399981 U JP 14399981U JP S5849294 U JPS5849294 U JP S5849294U
Authority
JP
Japan
Prior art keywords
steam
reactor
turbine
water
rhr
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
JP1981143999U
Other languages
Japanese (ja)
Inventor
佐々木　岩生
菊男 竹島
伸吾 織田
Original Assignee
株式会社日立製作所
日立エンジニアリング株式会社
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, 日立エンジニアリング株式会社 filed Critical 株式会社日立製作所
Priority to JP1981143999U priority Critical patent/JPS5849294U/en
Publication of JPS5849294U publication Critical patent/JPS5849294U/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Structure Of Emergency Protection For Nuclear Reactors (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

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

第１図は原子炉隔離時冷却系の構成を説明する系統概要
図、第２図は従来型弁における弁座付近の状態を説明す
るための弁断面図、第３図は本考案により改造した場合
の状態を説明するための弁断面図である。 １・・・原子炉圧力容器、２・・・主蒸気管、３・・・
タービン入口側配管、４・・・ＲＣＩＣタービシ、５°
・・・ＲＣＩＣポンプ、６・・・ＲＣＩＣ注入管、７・
・・タービン下流側配管、８・・・タービン人口弁、９
・・・ＲＨＲ熱交換器入口部配管、１０・・・遮断弁、
１１・・・ＲＨＲ熱交換器、１２・・・圧力調整弁、１
３・・・弁箱、１４・・・弁体、１５・・・弁棒、１６
・・・弁座、１７・・・蒸気、１８・・・エアポケット
、１９・・・常温水。Figure 1 is a system outline diagram to explain the configuration of the reactor isolation cooling system, Figure 2 is a cross-sectional view of the valve in a conventional valve to explain the state near the valve seat, and Figure 3 is a valve modified according to the present invention. FIG. 4 is a cross-sectional view of the valve for explaining the situation in which the valve is opened. 1... Reactor pressure vessel, 2... Main steam pipe, 3...
Turbine inlet side piping, 4...RCIC turbine, 5°
...RCIC pump, 6...RCIC injection pipe, 7.
... Turbine downstream piping, 8... Turbine artificial valve, 9
...RHR heat exchanger inlet piping, 10...Shutoff valve,
11...RHR heat exchanger, 12...pressure regulating valve, 1
3... Valve box, 14... Valve body, 15... Valve stem, 16
... Valve seat, 17... Steam, 18... Air pocket, 19... Room temperature water.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 原子炉隔離時に、原子炉発生蒸気をタービンへ導き、前
記タービンによりポンプを駆動させ、復水貯蔵タンク水
を炉心へ注入する原子炉隔離時冷却系（以下ＲＣＩＣ）
より、原子炉発生蒸気を前記タービン上流側配管で、残
留熱除却系（以下ＲＨＲ）熱交換器へ導き復水させ、炉
心に注入するＲＨＲ蒸気凝縮モードにおいて、前記ター
ビン上流側蒸気と、前記ＲＨＲ熱交換器の常温水を結ぶ
配管を仕切る、水−蒸気二相境界弁における弁座付近の
エアポケットを防止して、弁座漏洩対策を行なった事を
特徴とする水−蒸気二相境界弁。Reactor isolation cooling system (hereinafter referred to as RCIC) that guides reactor generated steam to a turbine during reactor isolation, drives a pump by the turbine, and injects condensate storage tank water into the reactor core.
In the RHR steam condensation mode in which reactor generated steam is guided to a residual heat removal system (RHR) heat exchanger through the turbine upstream piping, condensed, and injected into the reactor core, the turbine upstream steam and the RHR A water-steam two-phase boundary valve that partitions a pipe connecting room-temperature water of a heat exchanger, and is characterized by preventing air pockets near the valve seat and taking measures against valve seat leakage. .
JP1981143999U 1981-09-30 1981-09-30 Water-steam two-phase boundary valve Pending JPS5849294U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981143999U JPS5849294U (en) 1981-09-30 1981-09-30 Water-steam two-phase boundary valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981143999U JPS5849294U (en) 1981-09-30 1981-09-30 Water-steam two-phase boundary valve

Publications (1)

Publication Number Publication Date
JPS5849294U true JPS5849294U (en) 1983-04-02

Family

ID=29936965

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981143999U Pending JPS5849294U (en) 1981-09-30 1981-09-30 Water-steam two-phase boundary valve

Country Status (1)

Country Link
JP (1) JPS5849294U (en)

Similar Documents

Publication Publication Date Title
CN108831573A (en) A kind of nuclear power station secondary side passive residual heat removal security system
JPS5849294U (en) Water-steam two-phase boundary valve
JPS5814194U (en) Steam cutoff device
JPS62199698U (en)
JPS5852096U (en) Marine reheat propulsion plant
JPS59165903U (en) Binary power plant safety equipment
JPS58103661U (en) electric water heater
JPS5952106U (en) Turbine bypass pipe warming device
JPS5850398U (en) ball float valve
JPS58124291U (en) Condensate treatment equipment
JPS6021801U (en) Steam generator backflow prevention device
JPS63121206U (en)
JPS61192108U (en)
JPS5997365U (en) Condenser recovery drain temperature reduction device
JPS61192169U (en)
JPS5846905U (en) Boiler feed water heating device
JPS59103061U (en) Vacuum regulator for steam turbine condenser
JPS59111907U (en) Water pump drive turbine exhaust steam temperature rise prevention device
JPS5829104U (en) thermal power plant
JPS59151056U (en) Solar thermal water heating device
JPS5952005U (en) Turbine windage prevention device
JPS58148203U (en) Grand steam desuperheater
JPS5932106U (en) Steam turbine plant bypass equipment
JPS58119134U (en) heat pump water heater
JPS593268U (en) Freeze prevention structure for solar heat collection circuit