复混肥设备按常规分为主机和辅机。主机有回转烘干机、转鼓造粒机、回转冷却机和回转包裹机 ,4大主机的结构基本相同 ,如筒体、大小齿轮、滚圈、挡托轮部分。由于设备制造厂在设计大小齿轮副和滚圈托轮副时 ,没有考虑润滑或设计为人工润滑。因此 ,复肥厂往往采用不定期人工加润 Compound fertilizer equipment according to the conventional divided into host and auxiliary. Mainframe rotary dryer, drum granulator, rotary cooler and rotary wrapping machine, the structure of the four major host basically the same, such as the cylinder, the size of the gear, rolling circle, retaining wheel part. Because the equipment manufacturer in the design of the size of the gear pair and roller bearing, did not consider the lubrication or designed for artificial lubrication. Therefore, the compound fertilizer plant often uses irregular artificial add to run