Specularite dust ore dressing technology
A technology for mirror iron ore and fine ore, applied in the field of mirror iron ore fine ore separation technology, can solve the problems of low recovery rate, poor economic benefit, low grade, etc. The effect of recovery
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[0025] Such as figure 1 As shown, the present invention of the present invention one A sorting process for specularite fine ore, characterized in that it includes a grinding and grading system and a magnetic separation and sorting system, the grade of raw ore entering the mill is 33%, and the particle size is 0-15mm. The specific steps are as follows:
[0026] a. The specularite powder ore is directly ground through two stages of continuous closed-circuit grinding until the specularite and gangue monomers are dissociated; each stage of grinding adopts ball mill-cyclone-fine screen closed circuit, and two-stage closed-circuit grinding The grading fine sieves in the grading particle size are all 0.074mm;
[0027] The overflow fineness of the first section of the cyclone in the closed circuit of the first section of ball mill-cyclone-fine sieve is -0.074mm, and the content is 55%-60%. ⅠThe product on the sieve with a yield of 40% is fed into the second stage of ball mill-cyclo...
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