The scale of Protodiakonov
The scale of Protodiakonov — is the scale of the rock strength coefficient. It developed in the early 20th century by Protodyakonov M.M. The scale is one of the first rocks classifications. It is based on measuring the labor intensity of rocks destruction during mining. The higher coefficient of ore strength means ore is difficult to grind.
- THE MILL FILLING RATE IS THE FOUNDATION OF EFFICIENT GRINDING
January 05, 2021·0 .