Method and apparatus for forming a directioned suspension spray

Details Method and apparatus for forming a directioned suspension spray Method and apparatus for forming a directioned suspension spray

1981-12-10

1983-07-12

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 92, 110265, 266182, 422213, C22B 110

Patent

active

043928854

ABSTRACT:
The invention relates to a method and apparatus for forming a directioned and controlled suspension spray of a pulverous material and reaction gas in such a manner that the reaction gas directed along one, often horizontally approaching channel is divided into three or more partial channels by means of mainly radial partition walls. When necessary, guide blades or a venturi-like mixing and guide member is used. The reaction gas is deflected so as to have the desired direction, often vertically downwards so as to be parallel to the central axis of the reaction chamber, such as a flash-smelting furnace. The thus formed partial flows of reaction gas are often caused, furthermore, to discharge, divided further into two or more parts, as an annular flow encircling on each side the member for feeding pulverous material, situated in the middle of the flow, into the reaction chamber. The pulverous material, dispersed well only in the reaction chamber, is mixed effectively with this as a whole non-rotating but turbulent reaction-gas flow, the pulverous material being directioned mainly radially in order to achieve a velocity difference between the reaction gas and the pulverous material.

REFERENCES:
patent: 4210315 (1980-07-01), Lilja et al.

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