JPH0391998U - - Google Patents

Info

Publication number
JPH0391998U
JPH0391998U JP1990000169U JP16990U JPH0391998U JP H0391998 U JPH0391998 U JP H0391998U JP 1990000169 U JP1990000169 U JP 1990000169U JP 16990 U JP16990 U JP 16990U JP H0391998 U JPH0391998 U JP H0391998U
Authority
JP
Japan
Prior art keywords
cladding tube
plating layer
chrome plating
neutron absorber
end plug
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
JP1990000169U
Other languages
English (en)
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 filed Critical
Priority to JP1990000169U priority Critical patent/JPH0391998U/ja
Publication of JPH0391998U publication Critical patent/JPH0391998U/ja
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)

Description

【図面の簡単な説明】
第1図は本考案に従つた制御棒の縦断面図、第
2図は加圧水型原子炉用の代表的な制御棒組立体
の側面図、第3図は従来一般の制御棒の縦断面図
、第4図は被覆管全体に同一厚さのクロムメツキ
を施した従来の制御棒の縦断面図である。図中、 1……制御棒組立体、5……被覆管、6……中
性子吸収体、7……下部端栓、8……上部端栓、
9……コイルスプリング、20……制御棒、21
……クロムメツキ層、21a……中性子吸収体回
りのクロムメツキ層、21b……プレナム部回り
のクロムメツキ層。

Claims (1)

    【実用新案登録請求の範囲】
  1. 被覆管と、該被覆管内に収容された中性子吸収
    体と、前記被覆管の上端及び下端をそれぞれ閉じ
    る上部端栓及び下部端栓と、前記上部端栓及び前
    記中性子吸収体の間のプレナム部に配置されたコ
    イルスプリングとを備えている原子炉用の制御棒
    において、前記被覆管の外面のほぼ全長にわたり
    クロムメツキ層を設けると共に、前記被覆管全体
    がほぼ同一の耐摩耗寿命となるように前記プレナ
    ム部回りの前記クロムメツキ層の厚さを前記中性
    子吸収体回りの前記クロムメツキ層よりも大きく
    したことを特徴とする原子炉用の制御棒。
JP1990000169U 1990-01-08 1990-01-08 Pending JPH0391998U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990000169U JPH0391998U (ja) 1990-01-08 1990-01-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990000169U JPH0391998U (ja) 1990-01-08 1990-01-08

Publications (1)

Publication Number Publication Date
JPH0391998U true JPH0391998U (ja) 1991-09-19

Family

ID=31504135

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990000169U Pending JPH0391998U (ja) 1990-01-08 1990-01-08

Country Status (1)

Country Link
JP (1) JPH0391998U (ja)

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