Automatic white coal screening and crushing device

The utility model provides an automatic white coal screening and crushing device which comprises a hopper, a rotary drum screen, a feeding belt, a crusher and a rotary vibration screen, the rotary drum screen is horizontally arranged, a discharging port of the hopper is located in the rotary drum screen, the feeding belt is located under the rotary drum screen, the discharging end of the rotary drum screen is connected with the crusher, the discharging end of the crusher is connected with the rotary vibration screen, and the rotary vibration screen is connected with the hopper. A fine material outlet of the rotary vibration sieve and the discharging end of the feeding belt converge and are connected into an air feeding pipe, and a coarse material outlet of the rotary vibration sieve is connected with a discharging belt. The effects of purifying the white coal crushing and screening construction environment and reducing the generation amount of white coal powder are achieved. 本实用新型提供一种白煤自动筛选及破碎装置，包括料斗、旋筒筛、送料皮带