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收集摇床、球磨等的废机油,滤去砂子和杂质后,加大细度力80～100网目的硫磺(硫磺与废机油之比为15％与85％)。逐步加热搅拌,在达到170～180℃时,维持均匀的温度继续搅拌4～6小时,即得到淡黑色的硫化废机油。用硫化废机油代替黄药现已正式用于生产中,解决了黄药供应困难的问题,几个月来生产的精矿质量都完全合于要求(WO_3 65％,S 0.8％)。在矿浆温度力20～24℃,浓度力70～75％,给矿粒度在2.3～3毫米时,
Collect the waste oil such as shaker, ball mill, etc., filter out the sand and impurities, increase the fineness of the mesh 80 ~ 100 mesh sulfur (sulfur and waste oil ratio of 15% and 85%). Gradual heating and stirring, to reach 170 ~ 180 ℃, to maintain a uniform temperature to continue stirring for 4 to 6 hours, that is light black sulfide waste oil. The use of sulfurized waste oil instead of xanthate has now been formally used in the production, which has solved the problem of difficult supply of xanthate. The quality of the concentrate produced in a few months has been fully met (WO 3 65%, S 0.8%). In the pulp temperature force 20 ~ 24 ℃, the concentration of force 70 ~ 75%, to the ore particle size of 2.3 to 3 mm,