介绍复混肥装置磷铵粉碎、干燥、成品等工序存在问题及技改措施。更换粉碎机型号，使粉碎磷铵的能力满足生产要求；干燥系统取消炉气鼓风机，用重力沉降室代替旋风除尘器，改善了操作环境；成品工序增加１ 套成品包裹系统，解决了产品的结块问题 Introduced the compound fertilizer plant ammonium phosphate crushing, drying, the process of finished products and other problems and technical transformation measures. Replace the grinder model, so that the ability to crush ammonium phosphate to meet the production requirements; drying system to cancel the furnace blower, with a gravity sedimentation chamber instead of cyclone, improved operating environment; finished product process to increase a set of finished package system to solve the product Caking problem