Combined storage tank and sump for nuclear reactor专利检索-冷却剂回路核能专利检索查询-专利查询网

Combined storage tank and sump for nuclear reactor

阅读：676发布：2022-11-20

专利汇可以提供Combined storage tank and sump for nuclear reactor专利检索，专利查询，专利分析的服务。并且A combined coolant storage tank and sump located within the containment structure which surrounds and isolates the nuclear reactor. The combined tank and sump provides a means for storing a supply of emergency coolant for use in cooling the nuclear core of the reactor in the event of a loss of coolant accident in the primary coolant circulating loop and also provides a means for accumulating any coolant fluid discharged into the containment atmosphere. Conduit means flow couple the combined tank and sump and the nuclear reactor, and drive means are provided for driving the emergency coolant from the combined tank and sump into the nuclear reactor in the event of an emergency requiring injection of the coolant into the nuclear reactor. Also the combined tank and sump provides a means for relieving the pressure in the secondary side of the heat exchanger and in the pressurizer.，下面是Combined storage tank and sump for nuclear reactor专利的具体信息内容。

权利要求

1. A nuclear reactor system comprising: a closed containment structure providing a containment atmosphere therewithin; a reactor vessel within said containment structure having a nuclear core therein, a coolant inlet opening and a coolant outlet opening; primary coolant conducting means coupled to said inlet and outlet opening for providing a closed primary fluid circulating loop; a coolant pump for said circulating loop interposed in said primary conducting means; a combined storage tank and sump within said containment structure for storing a supply of emergency coolant and for accumulating any coolant fluid discharged into said containment atmosphere; conduit means for conducting coolant from said combined storage tank and sump to said primary coolant conducting means; means for driving the emergency coolant from said tank into said primary coolant conducting means in the event of a loss of coolant accident in said reactor system; a heat exchange means interposed in said primary coolant conducting means between said outlet opening in said reactor vessel and said coolant pump, said heat exchange means having secondary coolant conducting means in heat exchange relationship with said primary coolant conducting means; a vent line coupled to said secondary coolant conducting means; a pressure relief safety valve interposed in said vent line within said containment structure for releasing fluid in said secondary coolant conducting means in order to lower the pressure therein; a discharge line connected to said pressure relief safety valve and in fluid communication with said combined storage tank and sump for discharging released fluid from said safety valve thereinto; a pressurizer for controlling the pressure of the coolant in said primary coolant conducting means; a second pressure relief safety valve coupled to said pressurizer for releasing fluid contained therein in order to lower the pressure in said primary coolant conducting means; and a second discharge line connected to said second safety valve and in fluid communication with said combined storage tank and sump for discharging released fluid from said second safety valve thereinto.

2. The system of claim 1 wherein said conduit means has a portion thereof positioned outside of said containment structure, the ends of said conduit means being connected to said combined storage tank and sump and said primary coolant conducting means inside of said containment structure; and wherein said drive means comprises a standby pumping system interposed in said portion of said conduit means positioned outside of said containment structure.

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Combined storage tank and sump for nuclear reactor

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