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Třinecké železárny has operated a repaired blast furnace

Třinecké železárny has operated a repaired blast furnace

The main goal of the reconstruction was the installation of new technological elements and equipment corresponding to current trends. The changes are aimed at simplifying iron ore production and reducing the environmental burden. The key was to refurbish the bottom of the so-called hearth furnace with new carbon blocks and the lining with new refractory material. Simultaneously with the resumption of production in the furnace, a new wind heater was also commissioned.

“Thanks to the modern wind heater system combined with the installation of new air preheater sets, the blast furnace heating gas consumption will be reduced when the heaters are heated and the blast furnace gas production itself will be reduced. This will reduce carbon dioxide emissions,” adds Radek Olsar, Investment Manager .

Each year, the sixth blast furnace in Třinecké elezárny produces more than one million tons of iron ore, which is allocated for smelting in steel mills and then to the rolling mills of Třinecké elezárny, where specific products or semi-finished products are already produced. The average daily capacity is 3000 tons.

The furnace has been in operation since 1952, and repairs were made in 1963, 1973, 1985 and 1999. There are 48 regular employees and dozens more take care of the maintenance.

Třinecké železárny is the largest mining company in the Czech Republic. Last year, they produced 2.581 million tons of steel. In 2020, the company generated a profit of 469 million kroner and revenue of 35.1 billion kroner. TŽ company’s best-selling product is long-rolled wire, the other main products are special steel bars, drawn steels, bars, wide steels, seamless tubes or semi-finished metal products. Including separate operations, TŽ has more than 7,000 employees, and there are about 10,000 employees with its subsidiaries.

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