Process for controlling the charging of a shaft furnace

Details Process for controlling the charging of a shaft furnace Process for controlling the charging of a shaft furnace

1986-05-12

1987-12-22

McCall, James T.

Material or article handling

Chamber of a type utilized for a heating function and...

Charging of chamber

222 56, 414 21, 414147, B65G 2500

Patent

active

047143967

ABSTRACT:
A process for controlling the charging of a shaft furnace of the type utilizing a distribution spout and one or more storage hoppers with each hopper being provided with a dosing device for regulating the flow of charging material from the hopper to the spout. The shaft furnace also includes a weighing system to determine the contents (weight) of the hopper and to adjust the position of the dosing device wherein the dosing valve is opened whenever the real flow Q.sub.r is below the reference flow Q.sub.c and is held in position when the real flow Q.sub.r is above the reference flow Q.sub.c.

REFERENCES:
patent: 3682339 (1972-08-01), Johannes
patent: 4071166 (1978-01-01), Leguille
patent: 4243351 (1981-01-01), Leguille et al.
patent: 4527714 (1985-07-01), Bowman
patent: 4659274 (1987-04-01), France

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