Tula, Russia
Tula, Russia

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Yurin N.I.,Tulachermet Company | Yukhimenko V.I.,Tulachermet Company | Iskalin V.I.,Tulachermet Company | Shkuratov I.A.,Tulachermet Company
Metallurgist | Year: 2015

This article discusses results from studies of the effect of petroleum coke (pet coke) and a boron-bearing addition on the indices of the sintering operation. The effects of pet coke and the addition on the sintering process are determined, the laws that govern the changes in the main indices are established, and the optimum values are found for the parameters of their use under factory conditions. Results are presented from commercial trials conducted to determine the optimum fractional composition of the solid fuel – including pet coke – in order to make more efficient use of pet coke in sintering. © 2015 Springer Science+Business Media New York


D'yakov S.N.,Tulachermet Company | Gusarov M.B.,Tulachermet Company | Titov V.V.,Tulachermet Company
Metallurgist | Year: 2015

This article discusses the activities of the company Tulachermet in implementing measures to protect the environment and the company’s plans in this area up to the year 2017. Data is reported on changes in the effects of factory operations on air quality and the water basin. A description is given of measures that will significantly alleviate adverse environmental impacts by reducing harmful atmospheric emissions, reducing discharges of waste water into reservoirs, and cutting back on the accumulation of production wastes. Plans are discussed that will make it possible to further mitigate harm to the environment. © 2015 Springer Science+Business Media New York


Yurin N.I.,Tulachermet Company | Fedorenko D.V.,Tulachermet Company | Sankin A.N.,Tulachermet Company | Vakulina T.B.,Tulachermet Company | Koshelev N.N.,Tulachermet Company
Metallurgist | Year: 2015

Results are reported from the use of unshaped refractory mixes at the Tulachermet company to line blast furnaces, the use of castable low-cement concretes for the system of troughs and hood covers in the cast house, and the use of high-durability notch mixes made by different manufacturers. Data are also reported from many years of use of concrete to line the main troughs. The factors that affect the durability of the lining are analyzed and solutions are found to technical and organizational problems, thus making it possible to increase the troughs’ service life, stabilize their performance, and improve working conditions. The article generalizes results obtained from use of the notch mixes and discusses new technical innovations developed to improve the technical-economic indices of blast furnaces and extend their useful life. One innovation examined in particular is a new technology for installing refractories. The technology entails the preliminary installation of a combination concrete lining on the surface of the blast-furnace coolers outside the furnace. © 2015 Springer Science+Business Media New York

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