Composite weak magnetic iron ore beneficiation process

Use a grinding machine to grind the raw ore to a fineness of 0.074mm80%; 2. Magnetic separation is carried out in an environment with a magnetic field strength of 16000 Osters to obtain magnetic separation concentrate; 3. Neutrally roast the magnetically separated concentrate in an environment at 750 ℃ for 20 minutes; The characteristic of the strong magnetic neutral roasting process is to pre dispose the tailings through the strong magnetic separation process, and transform the roasting process from a pre-treatment method to a method of improving the concentrate grade, which can increase the processing capacity of the roasting process and reduce the cost of the roasting process; The use of strong magnetic neutral roasting technology can effectively improve mineral processing.

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