method and device for introduction of additives into a shaft. the cupola.

摘要

PCT No. PCT/CH87/00173 Sec. 371 Date Oct. 16, 1989 Sec. 102(e) Date Oct. 16, 1989 PCT Filed Dec. 23, 1987 PCT Pub. No. WO88/05149 PCT Pub. Date Jul. 14, 1988.A process and device for introducing additives, in particular energy carriers, into a cupola or shaft furnace. The additive is carried with combustion air stream and introduced therewith in the furnace shaft, a depression being created at the point where the additive is fed into the combustion air stream, so that the additive is aspirated by the combustion air into the combustion area of the furnace shaft.