Low-density aluminum fluoride crystallization device

The utility model discloses a low-density aluminum fluoride crystallization device in the field of crystallization devices, which comprises a box body, the box body is provided with a cover plate, thecover plate is provided with a water pump, a driving motor and a feeding pipe, the water pump is provided with a water inlet pipe and a middle pipe, the middle pipe is provided with an upper sealingbearing, and the upper sealing bearing is provided with a hollow rotating shaft which is provided with a driven bevel gear. The hollow rotating shaft is provided with a partition plate, the partitionplate is arranged between the two ends of the U-shaped pipe, the U-shaped pipe is provided with an L-shaped scraper, the hollow rotating shaft is provided with a lower sealing bearing, the lower sealing bearing is provided with a water outlet pipe, the driving motor is provided with a driving bevel gear, the box body is provided with a discharging pipe, and the water outlet pipe is fixedly installed in a side wall through h