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Cooling system for primary containment vessel in nuclear power plant and component for use in said cooling system
Cooling system for primary containment vessel in nuclear power plant and component for use in said cooling system
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机译:核电站主要安全壳的冷却系统以及用于该冷却系统的组件
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摘要
Pipes are mounted horizontally on an outlet portion of a gas vent pipe in a condenser-type heat removal system, and have-openings which are formed only in a portion below a horizontal plane in which axes of these pipes lie, thereby enlarging a region where uncondensed steam is mixed with water in a suppression pool. With this arrangement, a surface portion of the water of the suppression pool is prevented from becoming hot, and the temperature of this pool water is uniformed. As a result, the temperature of the water surface of the suppression pool is lowered, thereby decreasing the pressure within a primary containment vessel. This enhances the reliability of the primary containment vessel, and reduces a design strength of the primary containment vessel.
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