A vanadium mine in Shangluo, 500t/d vanadium tailings, with a concentration of 25%, the grain size is about 70% of the 100 mesh, and more than 95% of the dry ore can be extracted with dry row sieve. The tailings of the tailings after dry row are less than 20%. tailings, and the tailings are used for building materials and the tailings are reused; the bottom current can be returned to water resources directly, and the tailings are not used completely.
The amount of tailings treated daily (containing water and tailings) is 2000t / d. After dry discharge treatment, the tailings and water are taken away at 900t / d, and 1100 tons of water are left. Based on the water price of 0.8 yuan / ton, the price of 1100U / t is 0.8880 yuan, and the working day is 300 days per year / ton / ton. It is 264,000 yuan.Water resources can be saved by 264000 yuan a year.
Coarse sand return
Dry discharge of 475 tons of coarse sand per ton, 10 yuan per ton of profits, 300days of work a year ,475*10*300=1425000 yuan ,per year in return for 1.425 million yuan of coarse sand.
500t/d vanadium tailings using tailings dry sieve investment of about 500000 yuan.
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