According to some, a molten reactor core could penetrate the reactor pressure vessel and containment structure and burn downwards to the level of the groundwater.
12.
In 2014, China First Heavy Industries manufactured the first domestically produced AP1000 reactor pressure vessel, for the second AP1000 unit of Sanmen Nuclear Power Station.
13.
The ECCS is designed to rapidly flood the reactor pressure vessel, spray water on the core itself, and sufficiently cool the reactor fuel in this event.
14.
In particular OMZ is a manufacturer of reactor pressure vessels for the VVER type of nuclear reactors and the manufacturer of EKG open-cut mining power shovels.
15.
Fuel pellets, Fuel-Rod casings, reactor pressure vessel, biological shield, steel containment structure and the outer ferro concrete mantle are six of the most important passive safety features.
16.
The condensate then drains from the PCCS heat exchangers back to the GDCS pools where it completes the cycle and drains back to the reactor pressure vessel.
17.
The ICS system is a closed loop system that connects the reactor pressure vessel to a heat exchanger located in the upper elevation of the reactor building.
18.
In a statement, Rinpo President Wang Mingxin said the new company will import advanced technology from Westinghouse for manufacturing two sets of special nuclear reactor pressure vessel inspection units.
19.
In the Fukushima I reactors the primary containment consists of " drywell " and " wetwell " concrete structures below the top level, immediately surrounding the reactor pressure vessel.
20.
Hydrogen was released from the reactor pressure vessels, leading to explosions inside the reactor buildings in units 1, 3 and 4 that damaged structures and equipment and injured personnel.
