Main Phases Involved In Iron Ore Beneficiation

As an essential stage in the ore processing, it will determine the results of processing

. Hongxing Machinery have also designed a worldwide famous solution for the first stage of ore processing: stone and ore crushing plant. Addition of process water (generally decanted from the tailings pond) to form a slurry and addition of lime to the ore, and cyanide solution to the slurry leach the gold and silver into solution. We just list solution examples of gold ore and silver ore. We know there are many ores including metal ores and non-metallic minerals. Such as iron ore, copper ore, molybdenum ore, bauxite ore, platinum ore, zinc ore, cobalt ore, silver ore, gold ore, nickel ore, titanium ore, tungsten ore, platinum ore, tin ore, uranium ore, etc. maybe can use this method or different minerals should take different methods according to their property. Addition of carbon to adsorb dissolved metals and removes them from the slurry pool. Stripping the metals from the carbon by acid washing and circulation of a caustic cyanide solution. Now, we just take metal ores as an example. Hongxing Machinery ore beneficiation technology is specially designed to meet all kinds of requirements by clients. Beneficiation production line includes the following steps: A. the size less than 10mm, less than 15% of the brown water mining iron ore blending weight assigned amount is 0-8% of the coal into the kiln; brown iron ore mines within the same kiln drying, magnetization, arsenic removal, desulfurization process, kiln speed 0.8-1.5 rev / min; rotary kiln calcination zone temperature 800-50 , drying zone temperature was 350-0 . B. After treatment, the baking step a mine water cooling; cooled by the Classifying machine, return sand separation with magnetic pulley, pump to wet the overflow was concentrated weak magnetic separating equipment, magnetic part of the final product iron ore. Of low and high grade iron ore fines arsenic ore of sulfur for the brown coal blending, drying roasting, magnetic and off arsenic, sulfur impurities in the body in the same kiln to complete, process simplification, roasted ore grade by the hardening after the magnetic separation, magnetic After the election, get high iron grade, low-arsenic and sulfur impurities in the magnetite powder; widely used in containing weakly magnetic iron minerals beneficiation of ore and waste. Also known as red hematite ore of its chemical formula is Fe2O3, which is a weakly magnetic iron mineral, magnetite can be better than floating, is one of the main raw material iron. The main mineral processing has re-election, or a variety of high intensity magnetic separation and flotation beneficiation process and use, and there have been magnetized low intensity magnetic separation process after roasting. Early hematite mineral processing techniques generally use more re-election, the main jig, centrifugal concentrator, spiral chute, spiral concentrator, shaking and other mineral processing power because of its small, low grade ore dressing, low recovery rate was gradually Later, the development of red iron ore out of the flotation process and the high intensity magnetic separation process mainly paraffin oxide soap is for the collector of the flotation process and in strong magnetic separating equipment Electromagnetic annuli sorting equipment for the high intensity magnetic separation process. But the sorting of technical indicators have not reached satisfactory results. In recent years, the mineral hematite has made great progress, the main mineral processing are: electromagnetic pulsating high gradient magnetic machine, mineral processing, represented by high intensity magnetic separating equipment process and the series as the representative of the reverse flotation beneficiation process. Precipitation of the gold and silver by electro-winning. This stage is just suitable for metal ores such as gold ore and silver ore. If processing non-metallic minerals, we should take other methods to process.

by: hxjqyang

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