The adding system regards the slime water of the free district of the thickener as detecting target, sedimental speed as the feedback, form the close-circuit control system.
该添加系统以浓缩池自由区的煤泥水为检测对象，以沉降速度作为反馈量，构成闭环控制系统。
2
The exploratory experiment of cyanide-free separating technology of lead-zinc in the slime for a concentration plant had been carried out.