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Installation of monolithic lining of Blast Furnace #1 of PJSC ChMK

In September 2022 we completed the installation of a monolithic shaft lining, armor and dome plate, and protection of gas duct mouths of blast furnace #1 of Chelyabinsk Iron and Steel Works.

As part of this project, shotcreting of the bosh area, the upper part of the shaft, armor plate and dome protection, and the mouths of gas ducts was carried out. Next, refractory concrete was pumped into the furnace casing.

While performing the job, modern wear-resistant materials with a hydraulic-ceramic bond produced by Seven Refractories were used. In total, the assembled refractory material comprised more than 200 tons.

All work was carried out in the shortest possible time. This was achieved through the use of high-performance concrete mixers, concrete pumps and shotcrete machines, as well as the efficacy of qualified personnel and continuous work in two shifts.