Physical upgrading method for enrichment of carbonaceous shale type vanadium ore
A carbonaceous shale, enrichment technology, applied in chemical instruments and methods, wet separation, solid separation, etc., can solve the problems of high metallurgical cost and low grade of vanadium ore, and achieve high separation accuracy and equipment production capacity. Large, low production cost effect
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[0021] Example 1:
[0022] Follow these steps to implement:
[0023] (1) crushing and grinding the vanadium-containing carbonaceous shale ore to a fineness of -2.0mm, and sieving out the part with a fineness of -0.15mm as a concentrate product;
[0024] (2) Put the ore with a fineness of +0.15mm~-2.0mm in a heavy medium cyclone, use ferrosilicon powder as a medium weighting agent, and use a combination of compressed air and mechanical stirring to mix the ferrosilicon powder and the ore , using YTMC250 / 175 heavy medium cyclone, the separation medium density is 1225kg / m 3 , the feeding pressure is 0.07MPa, the second-stage overflow diameter is 40mm, the second-stage underflow diameter is Φ35mm, and the medium-to-ore ratio is 8:1, and the concentrate products and tailings products are sorted.
[0025] (3) the concentrate product obtained in the step (2) is mixed with the concentrate product screened out in the step (1) after the ferrosilicon powder is recovered by magnetic sepa...
Example Embodiment
[0027] Example 2:
[0028] Follow these steps to implement:
[0029] (1) crushing and grinding the vanadium-containing carbonaceous shale ore to a fineness of -1.0mm, and sieving out the part with a fineness of -0.15mm as a concentrate product;
[0030] (2) Put the ore with a fineness of +0.15mm to -1.0mm in a heavy medium cyclone, use ferrosilicon powder as a medium weighting agent, and use a combination of compressed air and mechanical stirring to mix the ferrosilicon powder and the ore. , using YTMC250 / 175 heavy medium cyclone, the separation medium density is 1275kg / m 3, the feeding pressure is 0.08MPa, the second-stage overflow diameter is Φ40mm, the second-stage underflow diameter is Φ30mm, and the medium-to-ore ratio is 6:1, and the concentrate products and tailings products are sorted.
[0031] (3) the concentrate product obtained in the step (2) is mixed with the concentrate product screened out in the step (1) after the ferrosilicon powder is recovered by magnetic ...
Example Embodiment
[0033] Example 3:
[0034] Follow these steps to implement:
[0035] (1) crushing and grinding the vanadium-containing carbonaceous shale ore to a fineness of -3.0mm, and sieving out the part with a fineness of -0.15mm as a concentrate product;
[0036] (2) Put the ore with a fineness of +0.15mm~-3.0mm in the heavy medium cyclone, use the ferrosilicon powder as the medium weighting agent, and mix the ferrosilicon powder with the ore by the combination of compressed air and mechanical stirring. , using YTMC250 / 175 heavy medium cyclone, the separation medium density is 1325kg / m 3 , the feeding pressure is 0.06MPa, the second-stage overflow diameter is Φ50mm, the second-stage underflow diameter is Φ35mm, and the medium-to-ore ratio is 7:1 to separate concentrate products and tailings products.
[0037] (3) the concentrate product obtained in the step (2) is mixed with the concentrate product screened out in the step (1) after the ferrosilicon powder is recovered by magnetic sep...
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