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Pump enclosures for Belarusian nuclear power plant’s first reactor in transit
05.05.2016
Petrozavodskmash, a branch of the Russian company AEM Technologies (part of Atomenergomash, which is the mechanical engineering division of the Russian state corporation Rosatom) has made a set of pump enclosures for the first power-generating unit of the Belarusian nuclear power plant. The set of pump enclosures is now on the way to the construction site, the Atomenergomash press service told BelTA.
The set includes four pump enclosures for the main circulating pumps in addition to spacer plates. After welding and assembly operations the products successfully passed hydraulic testing in the presence of representatives of the Belarusian nuclear power plant. After that the pump enclosures went through final machining operations, controlled assembly, and painting. The equipment acceptance commission included representatives of a number of agencies, including the end consumer — the state enterprise Belarusian Nuclear Power Plant and the Nuclear and Radiation Safety Department (Gosatomnadzor) of the Belarusian Emergencies Ministry.
A main circulating pump is a first-class safety product. As part of a nuclear power plant the main circulating pump enables heat-transport medium to flow inside the main circulation line and deliver heat energy from the reactor to the steam generators. Steam generators produce steam that sets the turbine generator in motion. The pump enclosure for a main circulating pump handles heat-transport medium with pressures as high as 180 atmospheres and temperatures as high as 300C. Due to safety requirements all the welding seams of the pump enclosure have to pass several kinds of audits: x-raying, ultrasound examination, and dye penetrant examination. A main circulating pump weighs 31.5 tonnes, is 3.5m wide and 3m high.
Established in 2007, AEM Technologies is part of Atomenergomash. AEM Technologies makes equipment for nuclear energy industry, heat energy industry, gas, oil and chemical industries. AEM Technologies has an engineering division in Saint Petersburg and two manufacturing divisions in Petrozavodsk (Petrozavodskmash) and Volgodonsk (Atommash).
The Belarusian nuclear power plant is a project to build an AES-2006 type nuclear power plant 18km away from Ostrovets, Grodno Oblast. The BelNPP will have two power-generating units with the total output capacity of up to 2,400MW (2x1,200MW). In line with the general contract for building the nuclear power plant the first power-generating unit is scheduled for commissioning in 2018, with the second one to go online in 2020.
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