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REACTIVITY CONTROL EQUIPMENT OF NUCLEAR REACTOR AND DECAY HEAT REMOVAL EQUIPMENT

机译：核反应堆的反应性控制设备和腐烂除热设备

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摘要

PPROBLEM TO BE SOLVED: To provide reactivity control equipment of a nuclear reactor and decay heat removal equipment capable of controlling reactivity over a wide range only by a core flow rate change, having a simple structure, and dispensing with a connection pipe to a pressure boundary of a reactor vessel. PSOLUTION: Neutron absorbing balls different in the density, the quality of material, the size and the number or metal rods including the neutron absorber are floated or dropped by the core flow rate change in a guide pipe having different upper and lower passage shapes, or a control vessel having the outside face covered with the neutron absorber is arranged on a peripheral part of the core and pure water is stored or discharged, or a cooling duct is provided on the top part of the reactor vessel to thereby introduce pool water or tank water. PCOPYRIGHT: (C)2004,JPO&NCIPI

机译：

要解决的问题：提供一种核反应堆的反应性控制设备和衰变除热设备，该设备能够仅通过堆芯流速变化而在大范围内控制反应性，并且结构简单，并且无需连接管就可反应堆容器的压力边界。

解决方案：密度，材料质量，尺寸和数量不同的中子吸收球或包括中子吸收器在内的金属棒由于芯流率的变化而浮动或掉落在上下通道不同的导管中形状，或者将控制容器的外表面覆盖有中子吸收器，并将其放置在堆芯的外围部分，并存储或排出纯净水，或者在反应堆容器的顶部提供冷却管道，从而引入水池水或水箱水。

版权：（C）2004，日本特许厅和日本国家唱片公司展开▼

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公开/公告号JP2004264169A

专利类型
公开/公告日2004-09-24

原文格式PDF
申请/专利权人 MITSUBISHI HEAVY IND LTD;
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申请/专利号JP20030055177
发明设计人 AKIYAMA YOSHIHARU;SHIMAMURA KAZUO;UCHIYAMA YOJI;
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申请日2003-03-03
分类号G21C7/32;G21C7/10;G21C7/22;G21C7/28;G21C15/18;
国家 JP
入库时间 2022-08-21 23:34:40

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