Abstract
On the background of topic dust control and reduction in mining a theoretical model of dust origination during processes of mechanical rock cutting was developed. This theoretical model was validated by practical investigation on experimental cutting test equipment. The result of numerous tests by the shearing blade and bottom blade of the plow on the anthracite coal shows a clear relation between the anthracite coal dust appearance and the cutting parameters e. g. rake angle, cutting depth and so on. One of all difficulties in order to determinate of highest pemissible level of anthracite coal dust in the workplace is the exact value of the percentage of quartz is contained in coal dust. So, the dust coal appearance from there tests was received and burned in the oven of laboratory for the German Institute for Standardization (DIN-Deutsches Institut für Normung) in order to determinate the percentage of quartz in coal dust. Finally conclusions for the approaches of dust coal control during process of mechanical anthracite coal cutting are derived and the highest pemissible level of anthracite coal dust in the workplace may be predicted for the prevention of the anthracosis.
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