Taconite is a low-grade iron ore , in which the iron minerals are interlayered with quartz, chert, or carbonate. Together with the professional crushing, grinding and screening technology of world class, taconite ore crushing plant and taconite ore grinding plant are supplied. Processing of taconite consists of crushing and grinding the ore to liberate iron-bearing particles, concentrating the ore by separating the particles from the waste material (gangue), and pelletizing the iron ore concentrate.
To process taconite, the ore is ground into a fine powder, the magnetite is separated from the gangue by strong magnets, and the powdered iron concentrate is combined with a binder such as bentonite clay and limestone as a flux. As a last step, it is rolled into pellets about one centimeter in diameter that contain approximately 65% iron. So the whole process need taconite ore grinding plant is vertical roller mill.
At the taconite ore crushing plant, the taconite is crushed into very small pieces by rock crushing machines. The crushers keep crushing the rock until it is the size of a marble. The rock is mixed with water and ground in rotating mills until it is as fine as powder. Taconite ore is hauled to a primary crusher where it is crushed and further processed. It is generally at this point that the Trust receives credit for the taconite ore shipments and royalties are accrued (i.e., once the taconite ore physically leaves the Trust's premises or is accounted for by blast pattern volumetric allocation).
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