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本发明是一种从硫化矿和氧化矿中提取贵金属的方法.氰化法从矿石中提取贵金属是人们熟悉的,但传统的方法需要很长时间,本发明对传统的氰化法做了改进,使矿石和氰化浸出液作用时间缩短.矿石被磨细到100目,与石灰溶液一起加入到一个搅拌器中,矿浆pH值稳定在10～11后加入氰化物,此后,维持pH值不变5～30分钟,用火碱、硼砂可代替石灰.然后把混合好的矿浆通过喷咀泵入一个特制的钟形反应器.矿浆在喷入前鼓入压缩空气,使矿浆从喷咀向上高速喷出,此时在喷咀附近形成局部真空,这个真空区又使喷到反应器顶部的矿浆折流下来,这样就加剧了反应器中的湍流程度,使空气与矿浆更有效地混合.
The present invention is a method of extracting precious metals from sulphide and oxide mines Cyanation methods are well known for the extraction of precious metals from ores, but the conventional method requires a long time and the present invention improves upon the conventional cyanidation method , So that the role of ore and cyanide leaching time shortened ore was ground to 100 mesh, together with the lime solution was added to a blender, pulp pH stabilized at 10 to 11 after the addition of cyanide, thereafter, to maintain the same pH 5 to 30 minutes, with caustic soda, borax instead of lime and then mix the good pulp through a nozzle pumped into a special bell-shaped reactor. Pulp before blowing into the compressed air, the slurry from the nozzle up high-speed This creates a partial vacuum near the nozzle, which in turn causes the slurry sprayed onto the top of the reactor to baffle, thus exacerbating the degree of turbulence in the reactor and allowing the air to mix with the pulp more effectively.