Flotation method for improving grade of flocculent iron ore concentrate
A flocculent iron and concentrate technology, applied in flotation, solid separation, etc., to achieve the effects of low production cost, wide applicability and high recovery rate
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Embodiment 2
[0026] Another application example of the flotation method for improving the flocculent iron concentrate grade of the present invention comprises the following steps:
[0027] The red mud is separated by high-gradient magnetic separator to obtain 48-54% iron concentrate with a pH of 8-13. Slurry tank, the slurry is adjusted to a concentration of 30% to 45%, pumped into The vertical stirring mill grinds the ore until the particle size is 44-57μm, and then flows to the The flotation column reverse flotation roughing system, add MH-80 flotation agent at 5~10kg / t dry ore, and the roughing concentrate flows into the Thickener, the underflow is sold after being filtered by a filter press to 15% moisture. Tailings flow into Slurry tank with thick tails, adjust the slurry to 30%~45% concentration, add GH-HL flotation agent at 5~10kg / t dry ore, and after The flotation column selects and sweeps the concentrate to return to the roughing system. After natural dehydration, the t...
Embodiment 3
[0029] Another application example of the flotation method for improving the flocculent iron concentrate grade of the present invention comprises the following steps:
[0030] The red mud is separated by high-gradient magnetic separator to obtain 48-54% iron concentrate with a pH of 8-13. Slurry tank, the slurry is adjusted to a concentration of 30% to 45%, pumped into The vertical stirring mill grinds the ore until the particle size is 57-74μm, and then flows to the The flotation column reverse flotation roughing system, add MH-80 flotation agent at 5~10kg / t dry ore, and the roughing concentrate flows into the Thickener, the underflow is sold after being filtered by a filter press to 15% moisture. Tailings flow into Slurry tank with thick tails, adjust the slurry to 30%~45% concentration, add GH-HL flotation agent at 5~10kg / t dry ore, and after The flotation column selects and sweeps the concentrate to return to the roughing system. After natural dehydration, the t...
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