Manufacture of Core Barrel for RPV in Rooppur NPP complete
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Manufacture of Core Barrel for RPV in Rooppur NPP complete

Manufacture of Core Barrel for RPV in Rooppur NPP complete
Photo:UNB


Rosatom, the Russian contractor of Rooppur Nuclear Power Plant, said the manufacture of reactor pressure vessel (RPV) for unit-1 of 2400MW plant has recorded further development as the production of Core Barrel has been completed at the Volgodonsk Branch of AEM-technology. In a statement on Saturday, Rosatom said the core barrel is one of the three main elements of the RPV Internals. Core barrel itself is 11metre high and 63 tons in weight and consists of six shells. At the upper part of the Core Barrel, there are 238 holes of 196mm diameter and two holes of 300mm diameter.

Read Also:RNPP work sees further progress, says Rosatom

The holes are arranged in six rows along the perimeter of the Shell and intended for coolant exit.

There are also 1,344 holes with different diameters at the bottom. They are intended for supports' installation and protect the fuel assemblies from being injected with small mechanical particles.

Rosatom said the next important stage is the installation of the Grid and Support elements.

After the grid and supply elements are installed, the test assembly of Core Barrel with the Baffle and Protective Tube Unit will be carried out.

AEM-technology is part of Atomenergomash, machine building division Russia's state atomic energy corporation- Rosatom.

Atomenergomash is the sole manufacturer and supplier of all equipment for Reactor Compartments and major part of equipment for Turbine Islands in both the units of Rooppur Nuclear Power Plant, said the Rosatom.

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