RPV installation under way at Hongyanhe 5

10 April 2018

The second phase of Liaoning Hongyanhe Nuclear Power Co Ltd entered the installation stage as the first main equipment for the nuclear island of unit 5 -- the reactor pressure vessel (RPV) -- arrived at the plant on Mar 18, 2018.

The RPV, a key piece of equipment at a nuclear power plant, is installed at the center of the nuclear island. It is about 13 meters high, with a diameter of four meters and a weight of 300 tons. The RPV contains the reactor core, reactor internals and a control rod, which can maintain and control nuclear fission reactions. When the unit is in operation the RPV works under pressure of 155 bar at a temperature of over 300 C.

Construction of unit 5, the first unit of Hongyanhe Nuclear Power’s second phase, was started on Mar 29, 2015. The plant will begin installation of the main equipment of the nuclear island for unit 6 by the end of 2018.

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