Rosatom assembles reactor tank for nuclear icebreaker Leningrad
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Rosatom assembles reactor tank for nuclear icebreaker Leningrad

March 14, 2025

The RITM-200 reactor installation is more compact than its counterparts, enhancing the technical performance of the icebreakers.

#ARCTIC. #SIBERIA. THIS IS TAIMYR. Engineers at Rosatom have started assembling the reactor tank for the RITM-200, which will be used in the nuclear icebreaker Leningrad of project 22220, at the ZIO-Podolsk plant. According to the Rosatom Telegram channel, this marks the first time in the plant’s history that eight reactor installations from the RITM series for icebreakers are simultaneously in production at various stages.

The RITM-200 reactor installation, which consists of two reactors with a thermal capacity of 175 MW each, weighs 147.5 tons, stands 7.3 meters tall, and has a diameter of 3.3 meters. Its main advantage lies in its compact design, which allows for improved speed and ice navigation capabilities in the icebreakers.

It’s important to note that the nuclear icebreakers of project 22220 are the largest and most powerful in the world. The vessel measures 173.3 meters in length, 34 meters in width, and 15.2 meters in height, with a speed of 22 knots in open water. They can navigate through ice up to three meters thick.

These icebreakers are designed to ensure year-round navigation along the Northern Sea Route (NSR).

Currently, four nuclear vessels from previous generations and the newest universal nuclear icebreakers of project 22220 – Arctica, Sibir, and Ural – are operating in the waters of the Northern Sea Route.

It is projected that by 2030, cargo traffic along the NSR will exceed 100 million tons.

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Text: Anzhelica Stepanova, Photo: Denis Kozhevnikov

March 14, 2025

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