Vacuum Treatment of Metal in the Process of Continuous Casting_Crimson Publishers
Vacuum Treatment of Metal in the Process of Continuous Casting by Protasov AV* in Evolutions in Mechanical Engineering_ Vacuum Treatment
Mini Review
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. The technological process is based on the
vacuum degassing of the jet and the metal layer in the vacuum chamber located
between the steel ladle and the tundish of Continuous Casting Machine (CCM).
Refined steel enters the intermediate bucket on a tube submerged to the level
of metal. During vacuum treatment, the difference in metal levels in the
tundish and in the chamber is balanced by external pressure and forms
barometric height.
For more open
access journals in Crimson
Publishers Please click on link: https://crimsonpublishers.com/
For more Articles on Vacuum
Treatment Please
click on: https://crimsonpublishers.com/eme/
Comments
Post a Comment