Experimental Study on Process Optimization of Magnetic Gravity Separation in Sijiaying Iron Mine
In order to improve the product quality and economic benefits,in view of the low circula-tion of the magnetic gravity separation process in Sijiaying Iron Mine and the low grade of gravity separation,the magnetic separation equipment currently used cannot effectively discard the intergrowth minerals,which affects the grade of gravity separation concentrate.Laboratory tests and industrial tests were carried out by adding a set of spiral chutes after the magnetic separator.The results show that after the process transforma-tion,the magnetic gravity separation process can increase the concentrate grade of gravity separation by 4.82 percentage points,and the comprehensive concentrate grade stabilizes at 65.5%,which makes the pro-duction of the concentrator more stable and creates an annual economic benefit of 13.820 6 million yuan.The process optimization scheme has reference significance for other similar mines.
iron oregravity separationmagnetic separationtransformationeconomic benefits
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