Core catcher

A core catcher is a device provided to catch the molten core material (Corium) of a nuclear reactor in case of a nuclear meltdown and prevent it from escaping the containment building.

A core catcher is made from a special concrete ceramic to prevent material from trickling through; it is also a cooling mechanism to cool down the core material. The core catcher of the European Pressurized Reactor (EPR) has 170 m² expansion area and a mass of 500 t.

单词	Ring lifter
释义	Ring lifter 英语百科 Core catcher A core catcher is a device provided to catch the molten core material (Corium) of a nuclear reactor in case of a nuclear meltdown and prevent it from escaping the containment building. A core catcher is made from a special concrete ceramic to prevent material from trickling through; it is also a cooling mechanism to cool down the core material. The core catcher of the European Pressurized Reactor (EPR) has 170 m² expansion area and a mass of 500 t.
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Ring lifter

Core catcher