Rotary Envelope Machine Rotary film packer is made by stir vessel, oil pump and main engine, which uses spray painting technology by specialized liquid material or combines specialized liquid material with solid powder in order to prevent lumping effectively by forming a film in the surface of the grain. Meanwhile, it also can increase the luster of surface of grain and improve the fertilizer efficiency by adding some micro-elements suitably. According to the technics requirements, this equipment is designed specially in the inner structure, which is an efficient special apparatus of compound fertilizer. Technicial Parameter: Spec CylinderProductionCapacityt/hElectromotor Reducer Inside DiameterLength Inclination Rotary SpeedModel Power Kw mmmm°rpmBM1004100040002.516.52-4Y132S-63ZQ350BM1204120040002.516.36-8Y132M2-65.5ZQ400BM1404140040003.014.510-15Y160M-67.5ZQ500BM1606160060003.013.920-25Y160M-411ZQ500BM1806180060003.512.826-30Y160L-415ZQ650BM2007200070003.512.132-36Y200L2-622ZQ650BM2208220080003.511.238-40Y250M-630ZQ650BM2409240090003.510.542-45YR250-655ZQ750