METHOD OF COOLING CRYSTALLIZER Russian patent published in 1996 - IPC

Abstract RU 2070473 C1

FIELD: continuous casting of metals and alloys. SUBSTANCE: crystallizers, mainly bushing or compounded ones designed for casting quality stock and blooms, are cooled by means of feeding into crystallizer cooled space a cooling agent, being a water-air emulsion preliminarily prepared in jet pump. Emulsion is fed as a continuous stream along cooled wall of the crystallizer observing injection coefficient =3-18 with water input 9.4-16.7 kg/sec and ranges of the following relationships: =1.4-2.1, = 1.03-1.1, and M = = 1.9-2.1, where G_t and G_p are weight inputs of water and air for one cooled crystallizer wall, kg/sec; P_n and P_p are initial pressures of water and air before jet apparatus, N/sq.m; P_c is pressure in mixing chamber of jet apparatus, N/sq.m; M is Mach number; ω_a isoentropy rate of gas, m/sec; and a is sound velocity in a given medium, m/sec. EFFECT: found parameters determining cooling process. 1 dwg, 2 tbl

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RU 2 070 473 C1

Authors

Bulgakov Dagi Sagitovich

Dates

1996-12-20—Published

1992-10-12—Filed