Large flow colourful sand in water coating granule granulator

The invention relates a large flow colourful sand in water coating granule granulator. The granulator comprises a rack, a material hopper, a feed pipe, a discharge pipe, a granulating net, a granulating scraper, a bearing, a bearing pedestal, a propelling screw, a motor and a transmission belt; the granulator is characterized by further comprising a pre-cutting blade, a pre-cutting motor, an infusion pump, an adhesive solution hopper, a first fluid replacement pipe, a second fluid replacement pipe and an infusion tube; the pre-cutting blade is arranged in the feed pipe on the lower portion ofthe material hopper, and the pre-cutting motor is arranged on the feed pipe and connected with the pre-cutting blade; the infusion pump and the adhesive solution hopper are arranged on the rack separately, and the infusion pump is communicated with the adhesive solution hopper through the infusion tube; one end of the first fluid replacement pipe is communicated with the infusion pump, and the other end of the first fluid