Spray drying equipment is used to dry and granulate ball milled cemented carbide suspension. Compared with Pellet mill and Riquett granulatingm, spray dried products possess distribution and fine flowability, leading to uniform weight, size and lower disqualification rate of pressed piece. Possess characteristics such as versatility; Either paraffin, hexane, or PED suspension is ok recover rate is as high as over96%reliable under continuous operation condition cleaner tower inner surface, less tiome for clean out better graded powder quality with concentrated particle size distribution.