Process and an apparatus for the division of melts

Details Process and an apparatus for the division of melts Process and an apparatus for the division of melts

C - Chemistry, Metallurgy

03

B

49/8.1

C03B 37/06 (2006.01)

Patent

CA 1213440

Abstract of the Disclosure A process and an apparatus for the division of melts A drawing nozzle for finely dividing melts according to the nozzle blasting process, wherein a) the contour of the nozzle inlet from the upper edge of the nozzle passes initially inside a radius R1 = 40% of the narrowest cross-sectional dimension d of the drawing nozzle and then runs parallel to, or diverges by up to 2° from the drawing nozzle axis up to a depth below the upper edge of the drawing nozzle which is not greater than the narrowest cross- sectional dimension d of the drawing nozzle; b) the nozzle inlet is immediately adjoined by the drawing-out part, the upper cross-sectional dimen- sion of which is from 1.5 to 2.4 times as wide as the narrowest cross-sectional dimension d of the drawing nozzle; c) the drawing-out part widens over a length of at least 6 times the narrowest cross-sectional dimension d of the drawing nozzle with a widening angle of from 1 to 2.4° and, d) in the intermediate cross section between the lower edge of the nozzle inlet and the upper edge of the drawing-out part, there are provided propulsion jet nozzles, the axis of which is inclined by from 5 to -2° to the drawing nozzle.

447773

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