Development of the design of multipurpose equipment for crushing plastics and obtaining powders

A substantially new in design an experimental sample of complex equipment intended for crushing of various fragile and elastic materials, in particular plastics and obtaining powders of a different dispersion was built. The equipment consists of a shock-rotary crusher, a six-polar electromagnetic separator, two types of classifiers that allows to obtain the powders with a dispersity up to 0,05 mm applying raw materials of 5÷15 mm of diameter.

Вогнегасна концентрація порошку в привибійному просторі тупикового вироблення

A method for the determination and the results of theoretical studies of concentration and time of filing extinguishing powder based on air flow coming from the vent pipe in bottom hole space deadlock output.