Coal washing device convenient to disassemble

The coal washing device comprises a coal washing box, a driving motor is connected to the middle of the upper portion of the coal washing box through bolts, and the lower end of an output shaft of the driving motor penetrates through the upper middle side in the coal washing box; a transmission shaft is connected to an output shaft lower-end coupler of the driving motor; the coal washing device is characterized in that internal thread sleeves are sequentially and integrally connected to the periphery of the lower side of the outer wall of the transmission shaft from top to bottom, detachable stirring rods are transversely connected to the interiors of the internal thread sleeves in a threaded mode, and hollow hexagonal blocks are integrally connected to the inner sides of the outer walls of the detachable stirring rods. Due to the arrangement of the conveying cylinder, the collecting hopper, the coal discharging hopper, the conveying motor, the packing auger, the water discharging valve and the gate valve, th