CATALYST CARTRIDGE FOR CONTINUOUS CASTING OF ROUND BILLETS Russian patent published in 2011 - IPC B22D11/04 

FIELD: process engineering.

SUBSTANCE: invention relates to metallurgy. Crystalliser cartridge comprises cylindrical sleeve 1 made from beryllium bronze with its inner chamber provided with funnel and shaping sections 2 and 4, respectively. Funnel section 2 is located at sleeve top and features length L₁=0.7…0.8 L, where L is sleeve length, and taper making 2.0…2.5 %/m. Shaping section 4 features length L₂=0.2…0.3 L and outlet section with back taper of 3-5 %/m, and length L₃=0.05…0.1 L. Sleeve outer surface has vertical heat pickup 3-5 mm-deep grooves arranged regularly along sleeve edges.

EFFECT: higher stability.

4 cl, 6 dwg