JPS6461686A - Method for controlling moderator by using water expulsion pipe and water expulsion pipe cluster device - Google Patents

Method for controlling moderator by using water expulsion pipe and water expulsion pipe cluster device

Info

Publication number
JPS6461686A
JPS6461686A JP62219678A JP21967887A JPS6461686A JP S6461686 A JPS6461686 A JP S6461686A JP 62219678 A JP62219678 A JP 62219678A JP 21967887 A JP21967887 A JP 21967887A JP S6461686 A JPS6461686 A JP S6461686A
Authority
JP
Japan
Prior art keywords
water expulsion
water
pipes
clusters
expulsion pipe
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
JP62219678A
Other languages
Japanese (ja)
Inventor
Naoki Tsumura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Atomic Power Industries Inc
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 Mitsubishi Atomic Power Industries Inc filed Critical Mitsubishi Atomic Power Industries Inc
Priority to JP62219678A priority Critical patent/JPS6461686A/en
Priority to EP88306621A priority patent/EP0300745A3/en
Publication of JPS6461686A publication Critical patent/JPS6461686A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

Landscapes

  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

PURPOSE:To easily control the reactivity of a spectral shift reactor core by exchangeably mounting water expulsion pipes or water expulsion pipe clusters consisting of the water expulsion pipes and plugs to fuel assemblies constituting the above-mentioned reactor core. CONSTITUTION:The moderator such as light water or heavy water is alternately supplied to the water expulsion pipes 17 by which the reactivity of the spectral shift reactor core is controlled. The fuel assembles which are assembled to constitute the core include the assembly 2a consisting of fuel rods 13, control rod guide thimble pipes 12 and the water expulsion pipes 17 and the assembly 2b consisting of only the fuel rods 13 and the water expulsion pipes 17. The water expulsion pipe clusters 1a consisting of the water expulsion pipes 17 and the plugs 16 and the water expulsion pipe clusters 1b consisting of the water expulsion pipes 17 and the water expulsion pipe clusters 1b are erected on a spider 15 and are formed. These clusters are inserted to the control rod guide thimbles 12 from the bottom ends of the assemblies 2a, 2b. Since the cluster device is constituted in such a manner, the assemblies 2a, 2b are easily disposed to any positions of the reactor core simply by exchanging the clusters 1a, 1b.
JP62219678A 1987-07-23 1987-09-02 Method for controlling moderator by using water expulsion pipe and water expulsion pipe cluster device Pending JPS6461686A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP62219678A JPS6461686A (en) 1987-09-02 1987-09-02 Method for controlling moderator by using water expulsion pipe and water expulsion pipe cluster device
EP88306621A EP0300745A3 (en) 1987-07-23 1988-07-20 Reactivity control method of light-water cooled, lightwater moderated nuclear reactor core and apparatus therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62219678A JPS6461686A (en) 1987-09-02 1987-09-02 Method for controlling moderator by using water expulsion pipe and water expulsion pipe cluster device

Publications (1)

Publication Number Publication Date
JPS6461686A true JPS6461686A (en) 1989-03-08

Family

ID=16739261

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62219678A Pending JPS6461686A (en) 1987-07-23 1987-09-02 Method for controlling moderator by using water expulsion pipe and water expulsion pipe cluster device

Country Status (1)

Country Link
JP (1) JPS6461686A (en)

Similar Documents

Publication Publication Date Title
EP0123055A3 (en) Guide tubes dismantling method for a fuel assembly of a light water nuclear reactor
JPS5340188A (en) Fuel assembly
DE3566752D1 (en) Submoderated nuclear reactor
GB2076580B (en) Control rod guide thimble for nuclear reactor fuel assemblies
DE3166992D1 (en) Method of operating a nuclear reactor by displacing in the core of the reactor groups of control rods
FR2561026B1 (en) PROCESS FOR PRODUCING NUCLEAR FUEL PELLETS
ES481168A1 (en) Method of exchanging fuel in a nuclear reactor
DE3366211D1 (en) High uranium utilization fuel rod for light water reactors
KR930005574B1 (en) Fuel assembly
JPS6461686A (en) Method for controlling moderator by using water expulsion pipe and water expulsion pipe cluster device
DE3261260D1 (en) Nuclear reactor with a guiding system for control rod clusters
DE69305892D1 (en) Nuclear fuel rod bundles for boiling water nuclear reactors with at least one water space supplied from above, which is arranged over part-length fuel rods.
FR2565396B1 (en) METHOD FOR OPERATING A LIGHT WATER AND SPECTRUM VARIATION REACTOR
JPS5428996A (en) Storage method of fuel assembly
JPS5435594A (en) Operational system of reactor
JPS528292A (en) Controlling rod
EP0300745A3 (en) Reactivity control method of light-water cooled, lightwater moderated nuclear reactor core and apparatus therefor
US3162577A (en) Reactor control with thorium control grid
BE887144A (en) PROCESS FOR PRODUCING NUCLEAR FUEL PELLETS
JPS5435583A (en) Water boller reactor
JPS543698A (en) Internal production method of reactor fuel cladding tube
SE8007695L (en) WAY TO REPLACE FUEL IN A LIGHT WATER COOKER REACTOR
JPS5419385A (en) Semiconductor light emitting device
JPS5436471A (en) Nuclear fuel assembly
JPS5435584A (en) Fuel assembly of reactor