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Governor

Historic moment: Severstal’s new blast furnace No. 3 enters hot testing phase.

25.12.2020

Historic moment: Severstal’s new blast furnace No. 3 enters hot testing phase.

Severstal, one of the world's largest vertically integrated steel and mining companies, has put blast furnace No. 3 at the Cherepovets Steel Mill onto hot test mode. Vologda Region Governor Oleg Kuvshinnikov visited the company and awarded employees who participated in its construction with state and regional awards.

The blast furnace is the second-largest at the Cherepovets Steel Mill in terms of production volumes of cast iron, after Severyanka, the largest blast furnace in Europe.

Construction of blast furnace No. 3 started in October 2018. The new blast furnace has the capacity to produce more than three million tons of pig iron per year.

Blast furnace No. 3 is unique in Russia’s steel industry, with its profile allowing for 80% of the metal charge to be made up of iron ore pellets. Advanced backfill and temperature control systems at the top of the furnace guarantee flexibility in adjusting the furnace’s processing modes, enabling reduced coke consumption in cast iron smelting.

The furnace’s particularly strong metal casing, combined with refractory materials and new generation cooling systems, has increased the facility’s working life before the need for capital repairs from 10-20 to 25 years.

The key environmental advantage of blast furnace No. 3 is its aspiration system. The efficiency of blast furnace gas purification is 99.99%. Air has been sampled for dust content throughout the whole production chain. The specific emissions from blast furnace No. 3 is 53% lower than the total specific emission of blast furnaces No. 1 and 2 combined.

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