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Substantiation of key parameters of a centrifugal mill intended for grinding solid residue from the pyrolysis of used automobile tyres

Ostashko I., Vinogradov B.

Zeszyty Naukowe. Transport / Politechnika Śląska

2016

z. 91

133--141

The study presents the results of an investigation into centrifugal mills with an energy-saving working body. Rational geometric parameters of the working body of the centrifugal mill, which grinds the solid residue from the pyrolysis of used tyres, have been justified on the criterion of the lowest specific energy consumption during the grinding process. A method to determine the dependence of the in-grinding power consumption on the basic parameters of the working body has been developed, while an analytical expression to determine the power consumption for grinding the solid residue from the pyrolysis of used tyres has been obtained. It has been found that the power consumption in the grinding process linearly depends on the rotational speed of the working body, which is to the 0.3 power on the average size of solid particles.