#$%^&*AU2015101177A420151008.pdf#####ABSTRACT The invention discloses a dry-process coal separator that comprises machine frame and devices fixed on the machine frame, such as coal supply device, coal preparation device and wind supply device. The innovation has some beneficial effects: the dry-process coal separator effectively realizes the separation of all granularity for raw coal from 0 to 80mm by setting stepped bed surfaces inside of the bed frame. The operation is easy and economical. The innovation can be widely used in all kinds of gangue discharging and desulphurisation of raw coal in order to reduce ash and improve the quality of coal. The dry-process coal separator is specialized in some water shortage areas.21 215 223- Z5 31 31 35- / 3133 U; ~ 313 34 I 13 3A :34 321 32 323 322
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