METHOD FOR GENERATING FECR IN AN AC REDUCTION FURNACE IN SLAG PROCESS WITH OPTIONAL THYRISTOR-CONTROLLED ARC

摘要

A process for the production of FeCr in a three-phase reduction furnace in arc operation with Thyristorsteuerung, in which in a preferably round reduction furnace with three electrodes or a rectangular reduction furnace with three or more electrodes, preferably using graphite or carbon electrodes or classic Soderberg electrodes; preheating the Möllers from Cr-ore, reducing agent and aggregates in an upstream unit, preferably in countercurrent in a rotary kiln by burnt furnace exhaust gas takes place, the transport of preheated Möllers takes place in the reduction furnace via a Heißtransportsystem and feed pipes.