发明名称 |
Method of repairing partly burnt-off fuel elements in the fuel-element pit pressurized water reactors and device therefor |
摘要 |
A method of repairing partly burnt-off fuel elements in a fuel-element pit of a pressurized-water reactor which includes placing a fuel element previously detected as being defective into a holding cage in substantially upright position with the aid of remotely controlled tools, and tipping it over through 180 DEG ; removing the then upwardly disposed fuel-element foot from the fuel element so as to expose the ends of the fuel rods received in the fuel element; inspecting the fuel rods, the ends of which are then freely accessible for defects; removing with a fuel-rod exchanging tool those fuel rods at least which are determined to be defective and depositing them in a storage container; and raising replacement rods with the fuel-rod exchanging tool and inserting them into the fuel element without bending stress in exchange for the removed fuel rods.
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申请公布号 |
US4336103(A) |
申请公布日期 |
1982.06.22 |
申请号 |
US19800121504 |
申请日期 |
1980.02.14 |
申请人 |
KRAFTWERK UNION AKTIENGESELLSCHAFT AG |
发明人 |
KAETSCHER, ERICH;KNECHT, KLAUS;KNAAB, HEINZ |
分类号 |
G21C5/00;G21C3/30;G21C3/335;G21C19/06;G21C19/26;G21C19/33;(IPC1-7):G21C17/00 |
主分类号 |
G21C5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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