Iron Slag Processing Mill Plant Supplier

The physical properties of iron and steel slags can vary greatly depending on the processing done once the slag is removed from the furnace. Air-cooled BFS produces a durable aggregate that performs well in unbound applications as well as in Portland cement and asphalt concretes.

Cooling the slag with water produces a lightweight aggregate for use in masonry blocks and lightweight concrete. Pelletized and granulated BFS are both water-cooled slags that can be ground and used to make slag cement. Slag cement provides reduced heat of hydration and improved resistance to sulfate attack and alkali-silica reaction when compared to regular Portland cement.

Iron Slag Processing Mill Plant

Iron slag grinding is the important stage in processing operation. It produces fine particle size and prepares for further processing. Most hammer mills together with vibrating screen machine can produce slag size about 100 microns, these process can be achieved with low energy consumption. However, if fine particle size (d90 < 44 microns) is required, the milling process will be very difficult and with high operation cost and contamination level. In order to get desired particle size with low production cost, choosing proper mill will be very important.

Ball mill is the often used grinding plant in iron slag processing applications. It is designed for grinding Portland cement are not particularly suited for drying wet materials like, say many of the clinker replacement materials. However, the ability to dry the feed materials can be increased significantly if a hot gas generator is included in the mill circuit and the mill is provided with a drying compartment.

As a world leading supplier and manufacturer of crushing and grinding equipment, we also developed complete series of grinding mill for slag recycling, such as high pressure mill, vertical roller mill, ultrafine mill, trapezium mill etc.

Iron Slag

Blast furnace slag (BFS) and steel furnace slag (SFS) have a long history of being utilized as industrial byproducts, going back almost 100 years in the United States. BFS is composed of the non-metallic components removed from iron ore during processing in a blast furnace. It consists essentially of silicates and aluminosilicates of calcium and other bases. SFS is the nonmetallic product that is developed simultaneously with steel in the basic oxygen, electric, or open-hearth furnaces. It consists of calcium silicates and ferrites combined with fused and mineralogically combined oxides of iron, aluminum, manganese, calcium and magnesium. Both BFS and SFS have unique physical and chemical properties that make them particularly well suited to a variety of uses in construction and civil engineering projects.

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