Recovery of Iron from ferrous slag in the form of a Concentrate by Magnetic sorting

摘要

The invention refers to the recovery of iron in the form of concentrate from iron furnace slag by magnetic classification. The method is to classify the slag with a volume of more than 300 mm to 500 mm extracted from the furnace and a volume of more than 300 mm to 500 mm into various stages of magnetic classification: 2. If the iron content is more than 50-60%, the iron content of the slag with the iron content less than 50-60% is more than 50-60%; for the slag with the iron content more than 50-60%, the compression force is applicable, so as to reduce its volume from the above value;This recovery method is to classify the slag whose volume is less than the above-mentioned value into slag with iron content more than 50-60% and slag with iron content less than 50-60%. 1. Slag with crushing volume less than the above value and iron content more than 50-60%; 1. The crushed products are screened with pre-determined mesh size to produce slag less than 40 mm and concentrate with high iron content of about 40 mm;Concentrate is collected for later use in iron and steel production.