| 摘要 |
1. Emergency cooling device for the core of a pressurized water nuclear reactor, in which the reactor core (12) is located in the interior of a sealed pressure vessel (10) communicating through a primary cooling circuit (18, 20) with at least one steam generator, said device comprising a low pressure tank (30) partly filled with water containing boric acid (34), a discharge conduit (44) connecting the upper part of the pressure vessel to the lower part of the tank, the discharge conduit being connected to a bubbler array (46) disposed in the lower part of the tank, characterized in that the bottom of the tank is located higher than the top of the core, a second conduit (50) connecting the bottom of the tank to the pressure vessel higher than the top of the core. |
