"GAS SLEEVE" DEVICE FOR METAL PURIFICATION, VACUUM TREATMENT AND POURING Russian patent published in 2012 - IPC B22D41/58 B22D1/00

Abstract RU 2460609 C1

FIELD: metallurgy.

SUBSTANCE: invention refers to metallurgy. Device includes ladle (1) with bottom pouring shell (2), tuyere (4) and pouring device (3). The latter is made from gas-tight material in its upper part and gas-permeable material in lower part or provided with holes in lower part. Plate (5) is installed between bottom of ladle (1) and pouring device (3). Pouring device (3) is tightly fixed on lower part of plate (5). In plate (5) there is central hole (6) and hole (7) connecting the cavity of pouring device (3) through valve (8) to compressed gas source or vacuum pump or to atmosphere.

EFFECT: simpler design of device for purification, vacuum treatment, ladle pouring of liquid metal and improving the quality of poured molten metal.

3 cl, 1 dwg

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RU 2 460 609 C1

Authors

Kobzar'-Dernovskij Vladimir Evgen'Evich

Dates

2012-09-10—Published

2011-07-27—Filed