Extraction Of Tungsten From Wolframite
Key: Using the jig to recover early, and shaking table to discard tailings
Tungsten Extraction Process:
√ Roughing: In the first stage of fine-grained roughing, Xinhai adopts jig to separate, then directly enters into the concentrating stage.
√ Gravity separation: Xinhai adopts multi-stage jigging, multi-stage shaking table, middling regrinding and gravity separation process.
That is, the jigging gross sand is produced when the qualified ore is sent to multi-stage jigging after the vibrating screen. The coarse-grained jig tailings are sent to grinding mill for re-grinding, and the fine-grained jig tailings enter into multi-stage shaking table after the classifier, then the shaking table gross sand is produced. The shaking table tailings are sent to the tailings pond, and the middlings are returned for regrinding and re-separating, and the gross sand of jig and shaking table is sent to concentrating stage.
√ Concentrating: Xinhai adopts flotation-gravity separation combined process or flotation-gravity separation-magnetic separation combined process, and recovers the associated elements in the concentrating stage.
Through the coarse and fine-grained table flotation (flotation -shaking table combined method) and flotation to remove the sulphide ore, the sulphide ore of table flotation and flotation merges into the sulfide ore flotation separation. And the wolframite after table flotation and flotation becomes the wolframite concentrate by the gravity separation process. If there are scheelite and cassiterite in the wolframite concentrate, gravity separation-flotation or gravity separation-flotation-magnetic separation combined process can be adopted to separate wolframite concentrate, scheelite concentrate and tin concentrate.
√ Fine sludge treatment: Xinhai usually carries out desulfurization first, and then adopts gravity separation, flotation, magnetic separation, electric separation or combined process to recycle the tungsten ore according to the properties of fine sludge, and utilize the associated metal minerals at the same time.
Tungsten Extraction Equipment:
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