METHOD OF MELTING HIGHLY REACTIVE METALS AND ALLOYS BASED THEREON AND DEVICE THEREFOR Russian patent published in 2017 - IPC C22B9/20 C22B9/22 

Abstract RU 2612867 C2

FIELD: metallurgy.

SUBSTANCE: invention relates to metallurgy and can be used for melting and casting of highly reactive metals and alloys. Method comprises controlling supply of melt from a first chamber to a second while ensuring tightness between them through a cooled insert made of remelted metal installed in place of connection of chambers, which is molten in centre using an independent melting source, wherein size of melted hole in insert is adjusted to ensure capacity corresponding to volume of purified melt. Device is configured to control melt supply from first chamber to second chamber, wherein first and second chambers are communicated by cooled insert made from remelted metal, wherein first chamber is equipped with a pipe for removal of gas impurities from melt, and second chamber is filled with a pumping pipe, enabling creation therein of a greater vacuum than in first chamber.

EFFECT: invention reduces power consumption, reduces duration of production cycle, increases metal weight during melting and reduces dimensions of equipment.

2 cl, 4 dwg

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Authors

Dates

2017-03-13Published

2012-02-15Filed