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    • 13.05.2024
    Construction sites. Horizontal moisture separator reheaters (MSRs) were installed at Unit 1 of Turkey’s Akkuyu Nuclear Power Plant. They are part of auxiliary systems of the plant’s steam turbine. The MSRs serve to maintain the temperature and humidity of steam that rotates the turbine blades. Horizontal MSRs, which used to be made vertical, were designed specially for the Akkuyu NPP. The improved modification made it possible to put two conventional MSRs into a single body, thus reducing their total number from four to two. In addition, the horizontal design requires almost half as much steel as conventional MSRs while being more efficient, reliable and cost-effective in general. Rosatom is building four power units with VVER-1200 reactors in Turkey.
    Shipments. Rosatom manufactured high- and low-pressure wedge gate and swing check valves for the Rooppur NPP and shipped them to Bangladesh. The shipment includes 294 pieces with a total weight of 312 tonnes. The valves will be used in the reactor buildings and turbine halls of Rooppur Unit 1 and 2. The products are designed to withstand high loads, including pressure up to 12 MPa and temperature of about 300°C. The valves belong to safety classes 2, 3 and 4. Before shipment, they passed a series of factory trials, including pneumatic, hydraulic and vacuum pressure tests. The Rooppur NPP is being constructed 160 km away from Bangladesh’s capital Dhaka. The plant will have two Russian-designed VVER-1200 reactors with a total capacity of 2,400 MW.
    Cooperation. Rosatom will present its advanced nuclear power solutions at the 8th Russia-China Expo to be held in Harbin in late May. The event is timed to coincide with the 75th anniversary of the establishment of diplomatic relations between Russia and China. Rosatom’s booth will feature solutions for large and small-scale nuclear generation, floating nuclear power plants, fast neutron reactors, wind generation, nuclear medicine, and other applications. The key areas of cooperation between Rosatom and China include the construction of power reactors, nuclear fuel supplies to China, development of fast neutron technology, and solutions for the closed nuclear fuel cycle. Rosatom is involved in the construction of four Russian-designed power units with VVER-1200 reactors in China, two at Xudabao and two at Tianwan.
    06.05.2024
    Construction sites. In early May, a containment airlock was installed at Unit 1 of Turkey’s Akkuyu Nuclear Power Plant. It is a 14-meter cylinder-shaped chamber with gates on both sides. Since the gates open in sequence, they make the reactor containment airtight. The airlock is intended to bring operation and maintenance equipment inside the reactor building. When the nuclear power plant is in operation, it will be also used to deliver fresh nuclear fuel containers into the reactor containment and remove spent fuel casks. The airlock weighs 260 tonnes and is 7 meters in diameter. The Akkuyu Nuclear Power Plant will have four units with Russian-designed VVER-1200 reactors with a capacity of 1,200 MW each.
    Space. Russia has put another Arktika-M satellite with an on-board control system into operation. Developed at Rosatom’s Mars Experimental Design Bureau, Arktika-M No. 2 is the second spacecraft of the world’s only highly elliptical orbit (HEO) constellation of meteorology and hydrology satellites. The Arktika-M constellation provides round-the-clock monitoring of the Earth’s surface, cloud cover, and seas in the Arctic and adjacent regions. It supplies the Northern Sea Route operator with up-to-date information on the ice conditions and helps choose the safest route. Arktika-M also transmits positioning signals from aircraft and vessels in distress to emergency teams as part of the Cospas-Sarsat international search and rescue system.
    Manufacturing. AEM SpetsStal (part of Rosatom’s power engineering division) commenced with the manufacturing of reactor equipment for Unit 1 of Hungary’s Paks II nuclear power plant. “We are working to ensure that the new power units at Paks will be connected to the grid by the early 2030s. The work is simultaneously underway at the construction site in Hungary and thousands of kilometers away from it, in Saint Petersburg. It is important for us, after the start of casting, to have closely watched the initial stages of production of RPV shells,” Paks II Chairman and CEO Gergely Jákli said during the production commencement ceremony. The shells are essential structural elements of the reactor pressure vessel. They are empty cylinders that are welded together. Rosatom is building two power units with VVER-1200 reactors at the Hungarian Paks II NPP. First concrete for Unit 1 is scheduled to be poured before the year-end.