Empty crates are turning and convey to crate washer for cleaning.
Spray heads are distributing around: the outside around the crate, upper and lower, front and back, left and right, all have spray nozzles for water spraying.
Cleaning device is closed type.
In front of the water pump has filter device designed and it's for garbage not to absorb into pump and during the cleaning of filter membrane, it's easy to operate. Spraying time and calculation method for empty crate inside.