Protection system for a nuclear reactor
专利汇可以提供Protection system for a nuclear reactor专利检索，专利查询，专利分析的服务。并且A protection system for a nuclear reactor which prevents reactor power excursions when conditions arise causing rapid cooldown of the reactor coolant, as when a steam break occurs in the supply line to a steam generator-turbine steam circuit, or under other conditions requiring rapid insertion of boric acid into the reactor. A pump having its inlet connected to the reactor primary coolant loop discharges into, or takes suction from, a tank containing a 12% boric acid or other neutron absorbing solution, and forces the solution into the remaining legs of the reactor primary cooling loop. Valves on both sides of the tank keep the tank isolated from the reactor when not in use. As abnormal conditions arise causing loss of coolant temperature, temperature or pressure responsive elements in the main or secondary coolant loops sense the change and provide a signal which causes the tank valves to open and the pumps then force boric acid from the tank directly into the reactor core or into a cold leg pipe which discharges into the core. Boron in the boric acid solution furnishes the desired degree of negative reactivity to prevent or turn around reactor power excursions. To preclude leakage to or from the boric acid tank when not in use, an equalizer line connected across the tank eliminates any pressure drops thereacross.，下面是Protection system for a nuclear reactor专利的具体信息内容。
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