Drum-type automatic measuring and testing device for fineness of pulverized coal

The invention relates to a drum-type automatic measuring and testing device for fineness of pulverized coal. The device comprises a shell, a pulverized coal storing and discharging device arranged atthe upper part in the shell, an electric rotary screen device arranged in the middle in the shell, a powder feeding and discharging device arranged on the electric rotary screen device, a pulverized coal recovery device arranged on the lower portion in the shell, weighing sensors arranged on the two sides of the bottom in the shell, a position controller arranged at one end of the electric rotaryscreen device, and a computer and a power source which are arranged outside the shell. According to the pulverized coal fineness measurement test, only different pulverized coal samples need to be manually put into the 4-6 pulverized coal storage tanks, then the device is manually started at a time, pulverized coal fineness measurement of the 4-6 pulverized coal samples can be completed, data display and storage are comple