High -efficient drying system of powdered ore balling -up

The utility model provides a high -efficient drying system of powdered ore balling -up, including granulator, drying tower, compression roller, hot air guide sleeve, its characterized in that: granulator top intermediate position is provided with the feed inlet, granulator upper portion is provided with symmetrical compression roller, be provided with a plurality of OVAL groove on the compressionroller, the granulator middle part is provided with the screen cloth, the screen cloth both ends are passed through the spring and are fixed in the granulator relevant position, the granulator bottomis provided with the dust collecting chamber, the screen cloth runs through the drying tower setting on drying tower upper portion, drying tower top central point puts and is provided with the air exit, the drying tower outside is provided with a plurality of hot air guide sleeve, the drying tower bottom is provided with the discharge gate, through to powdered ore balling -up post drying, the cooperation raw ore is smelted