Method of recycling iron from steel slag

News Date:2016-04-07 15:22:22

The invention belongs to the field of recycling steel slag, in particular to a method for recycling iron from steel slag. Great wall corporation has the method which comprises the following steps:

(1) Pouring steel slag into a grate plate with the length and the width of 180 mm respectively, leading the steel slag granularity smaller than 180 mm . Entering an underground material bin and carrying out first iron recycling on the steel slag with granularity larger than 180 mm by an electromagnetic sucking disk;

(2) Magnetically separating and crushing the steel slag with granularity smaller than 180 mm, where in the crushed granularity is smaller than 60 mm;

(3) Magnetically separating the ground steel slag;

(4) Screening by a vibrating screen, leading steel slag with granularity larger than 25 mm to enter a cone crusher for carrying out second crushing with the crushed granularity smaller than 25 mm, and magnetically separating;

(5) Grinding steel slag with granularity smaller than 25 mm, screening by a cylinder screen with granularity of 2 mm and remelting particle steel with granularity larger than 2 mm for utilizing; and after magnetically separating steel slag with granularity smaller than 2 mm by a wet magnetic separator, separating iron fine powder and tailings. The invention can recycle iron in the steel slag and reduce the iron content of the steel slag below 0.5 percent