A separation method for associated rich fluorite and low-grade cassiterite in tungsten beneficiation tailings
A separation method and technology of tungsten tailings, which are applied in the field of separation of associated rich fluorite and low-grade cassiterite, can solve the problems of unfavorable recovery rate of fluorite and cassiterite, loss of fluorite and cassiterite, high operating cost, etc., and achieve It is beneficial to the comprehensive recycling rate, reducing losses and reducing investment
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Embodiment 1
[0023] Example 1: Add GY-4 fluorite collector 400g / t according to the weight of the ore, and stir for 5 minutes, at an air pressure of 3kg / cm 2 Under the operating parameters of the flotation column, the gas volume is 5L / min, the liquid level is 10%, and the ore feed rate is 400ml / min, fluorite and calcite are removed by flotation, and fluorite coarse concentrate and anti-enrichment tin-containing tailings are obtained. Afterwards, use flotation machine to select the fluorite coarse concentrate for five times, according to the amount of ore per ton, add 8000g / t of acidified water glass for the first selection, and stir for 3 minutes; add 6000g / t of acidified water glass for the second selection , stirred for 3 minutes; added acidified water glass 6000g / t for three times, stirred for 3 minutes; added acidified water glass 4000g / t for four times, stirred for 3 minutes; added acidified water glass for five times, stirred for 3 minutes Minutes to get fluorspar concentrate products...
Embodiment 2
[0026] According to the weight of the ore, add acidified water glass 1000g / t, stir for 4 minutes, GY-4 fluorite collector 600g / t, stir for 6 minutes, at an air pressure of 3.5kg / cm 2 Under the operating parameters of the flotation column, gas volume 4L / min, liquid level 30%, ore feed rate 300ml / min, fluorite and calcite are removed by flotation, and fluorite coarse concentrate and anti-enrichment tin-containing tailings are obtained. Afterwards, use flotation machine to select the fluorite coarse concentrate for five times, and add acidified water glass 4000g / t in the first selection, and add acidified water glass for 5 minutes; add acidified water glass 4000g / t in the second selection , stirred for 4 minutes; added acidified water glass 3000g / t for three times, and stirred for 2 minutes; added acidified water glass for four times, and stirred for 2 minutes; added acidified water glass for five times, and stirred for 4 minutes Minutes to get fluorspar concentrate products and ...
Embodiment 3
[0028] According to the weight of the ore, add acidified water glass 2000g / t, stir for 2 to 3 minutes, GY-4 fluorite collector 800g / t, stir for 3 minutes, at an air pressure of 2.5kg / cm 2Under the operating parameters of the flotation column, the gas volume is 3L / min, the liquid level is 40%, and the ore feed rate is 350ml / min, fluorite and calcite are removed by flotation, and fluorite coarse concentrate and anti-enrichment tin-containing tailings are obtained. Afterwards, the fluorite coarse concentrate is selected by flotation machine for five times, and according to the amount of ore per ton, 6000g / t of acidified water glass is added to the first selection, and stirred for 6 minutes; the second selection is added to 2000g / t of acidified water glass , stirred for 2 minutes; added acidified water glass 2000g / t for three times, and stirred for 4 minutes; added acidified water glass for four times, and stirred for 4 minutes; added acidified water glass for five times, and stirr...
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