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Abstract

Evolutions in Mechanical Engineering

Vacuum Treatment of Metal in the Process of Continuous Casting

  • Open or CloseProtasov AV*

    Researcher (Academic)-Institute of Metal Physics, Ural Branch of the Russian Academy of Sciences, Russia

    *Corresponding author:Protasov AV, Researcher (Academic)-Institute of Metal Physics, Ural Branch of the Russian Academy of Sciences, Russia

Submission: November 18, 2019; Published: April 9, 2021

DOI: 10.31031/EME.2020.03.000563

ISSN: 2640-9690
Volume3 Issu3

Abstract

One of the promising areas of liquid steel processing is the development of metal vacuum treatment in the stream during continuous casting (flow vacuum treatment). Several technological schemes of such processes have been developed, however, in practice, the only variant of the process has been implemented at the conditions of converter shop No-2 of Novo-Lipetzk Metallurgical Combine (NLMC) (Figure 1). The technology of flow vacuuming is based on the theoretical works of Professor G A Sokolov [1]. A steel ladle with a special jointing element covering the slide valve is installed on the supports of the CCM, then the hydraulic cylinder is attached to slide valve and the compressed air is given to assembling device.Then the slide valve is opened and vacuum chamber with the help of hydrocylinders is lifted to connecting with the ladle, while the metal fills the bottom of the vacuum chamber and flows through the pouring pipe into the intermediate tundish, stopper of the tundish is raised to ensure a minimum distance between the end of the (submersible pouring pipe) and the tundish bottom.

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