Oxidized ore flotation mixed-dissolving collecting agent and using method thereof
A collector and oxidized ore technology, which is applied in flotation, solid separation, etc., can solve the problems of sticky flotation foam volume and low recovery rate, achieve enhanced suppression, improve zinc grade and recovery rate, and solve the problem of foam volume big sticky effect
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Embodiment 1
[0022] The grade of zinc in the tailings of a lead-zinc mine in Sichuan after separation of lead-zinc sulfide ore is 2.56%, and more than 81% of the zinc exists in the form of smithsonite and hemimorphite, and the gangue minerals include carbonate minerals such as dolomite and calcite The content is higher. Due to the low hardness of carbonate gangue minerals, the grinding process is easy to muddy, and a large amount of slime is produced, which has a great adverse effect on the flotation process. The on-site process adopts the process of desliming and then flotation, resulting in the loss of zinc metal. The non-desliming flotation closed-circuit test of the ore is carried out by using the oxidized ore flotation miscible collector of the present invention.
[0023] After adding regulator sodium sulfide 5Kg / t and described collector 38g / t in raw ore, carry out rough separation, obtain rough selection foam product and the product in rough selection tank; Add inhibitor sodium hexa...
Embodiment 2
[0029] The grade of zinc in a zinc oxide mine in Yunnan is 3.17%, more than 85% of the zinc exists in the form of smithsonite, and the content of carbonate minerals such as dolomite and calcite in the gangue minerals is very high. The oxidized ore flotation miscible collector of the present invention is used to carry out a flotation closed-circuit test on the ore.
[0030] After adding regulator sodium sulfide 4.5Kg / t and described collector 24g / t in raw ore, carry out rough separation, obtain rough selection foam product and product in the rough selection tank; Add inhibitor water glass to rough selection foam product, Three times of beneficiation are carried out to obtain the final zinc oxide concentrate product; 12 g / t of the collector is added to the product in the roughing tank, and scavenging is carried out to obtain the tailings product. Selected middlings and sweeping middlings are returned in sequence.
[0031] Table 2 shows the contrast test results of the zinc oxid...
Embodiment 3
[0036] The original ore zinc grade of a zinc oxide mine in Gansu is 3.81%. Zinc mainly occurs in smithsonite and hemimorphite. Among the gangue minerals, the content of carbonate gangue minerals such as dolomite and calcite is relatively high, and there is also a small amount of Silicates such as mica and serpentine. The oxidized ore flotation miscible collector of the present invention is used to carry out a flotation closed-circuit test on the ore.
[0037] After adding regulator sodium sulfide 4Kg / t and described collector 60g / t in raw ore, carry out roughing, obtain roughing foam product and the product in roughing tank; Add depressant water glass to roughing foam product, carry out Three times of beneficiation to obtain the final zinc oxide concentrate product; adding 30 g / t of the collector to the product in the roughing tank for scavenging to obtain the tailings product. Selected middlings and sweeping middlings are returned in sequence.
[0038] Table 3 shows the con...
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