Process and apparatus for charging a shaft furnace

Details Process and apparatus for charging a shaft furnace Process and apparatus for charging a shaft furnace

C - Chemistry, Metallurgy

21

B

39/58

C21B 7/18 (2006.01) F27B 1/20 (2006.01)

Patent

CA 1269832

A B S T R A C T To ensure the vertical and symmetrical fall of the charging material from a hopper onto a distribu- tion spout the discharge valve of the hopper and the valve of a chamber feeding material to the hopper are regulated in such a way as to form a barrage in the base of the hopper. To control the formation of this barrage and ensure that it will be maintained through- out a charging phase the hopper and the chamber are weighed separately, signals being produced for the control of the dosing valves. In a preferred embodiment of an installation for the performance of this process the hopper (70) is rotated in order to reduce the segregation of the particles.

507316

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