Efficiency issues of tower mills
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The grinding fineness of our company never meets the required standards; the design specifies that over 95% of the material should be at -325 mesh. We use slurry adjustment, hydrocyclone classification – the material that meets the standards goes directly to the thickener, while the material that does not meet the standards is sent to three parallel ball mills. After that, the slurry is adjusted again and sent back to the hydrocyclone. By measuring the overflow from the cyclone, it was found that the fineness does not meet the requirements, generally remaining around 65. Reasons for our analysis: 1. The grinding efficiency of the tower mill is insufficient. 2. The cyclone has poor classification performance. 3. The supply of ore is discontinuous. I’d like to ask the experts here: how can I eliminate these issues? What kind of experiments or testing methods can be used to specifically determine which aspect is the main cause.
As far as I know, it is used for controlling the vibration feeder in mines, with overflow being used to control the fineness; I have only seen it used in other facilities. Maybe they don’t have such high expectations as you do
The packing ratio of the medium is unreasonable, and the size of the steel balls is inappropriate.