Donetsk National Technical University, Donetsk, Russia

S. P. Eron'ko, Dr. Eng., Prof., Head of the Dept. of Mechanical Equipment of Ferrous Metallurgy Plants, e-mail: ersp52@mail.ru

University of Science and Technology MISIS, Moscow, Russia¹ ; Vyksa Branch of NUST MISIS, Vyksa, Russia²
S. M. Gorbatyuk, Dr. Eng., Prof., Dept. of Engineering of Technological Equipment^{1, 2}, e-mail: sgor02@mail.ru

University of Science and Technology MISIS, Moscow, Russia¹ ; Central Research Institute for Machine Building (CNIITMASH), Moscow, Russia²
O. A. Kobelev, Dr. Eng., Prof., Dept. of Engineering of Technological Equipment¹, Chief Specialist², e-mail: oakobelev@cniitmash.com

University of Science and Technology MISIS, Moscow, Russia
I. S. Pogorelov, Postgraduate Student, e-mail: m1909714@edu.misis.ru

The design of the modernized system of mechanized supply of the starting mixture to the outlet channel of the steel-pouring ladle during its preparation for the reception of the metal of the next heat in the conditions of serial casting of steel on continuous casting machines, which requires a reduction in the duration of operations for the maintenance of technological equipment in the intermelting period, is described. In comparison with the previously proposed technical solution, it uses improvements aimed at exclusion of the influence on the accuracy of its operation of the constantly changing coordinates of the center of the inlet hole of the bucket outlet channel when it is placed on the preparatory stand before the start of filling the cavity of the refractory pouring cup with bulk material when the slide gate is closed. The dispersion of this deviation, caused by the oscillation of the large-sized body of the pouring ladle at the moment of contact of its lower stiffening belt with the surface of the stand supports when the crane installs this metallurgical tank on them, can reach 50–250 mm. It is proposed to be equipped with automation that allows you to regulate the sequence and duration of operation of the structural mechanisms included in it by means of appropriate commands coming to their drives from the control unit, taking into account the information obtained using a laser rangefinder placed on a movable trolley on which a hopper filled with the starting mixture is installed. The correctness of the technical solutions adopted was confirmed by the results of their verification using a full-scale sample of the modernized system, during which its functioning was tested at various values of deviation of the center of the inlet hole of the bucket pouring cup channel, pre-set before the start of the mechanized supply of bulk material to it. The industrial application of the developed development will eliminate the loss of expensive starter mixture, improve the working conditions of personnel servicing steel-pouring ladles, and solve the problem of import substitution in the context of sanctions on the supply of equipment from foreign firms.

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