双转鼓流化工艺大颗粒尿素生产运行总结  

Operation of Double Rotary Drum Fluidization Bed Unit to Produce Large-size Granule Urea

作　　者：王中刚 

机构地区：[1]山西丰喜肥业(集团)股份有限公司临猗分公司,临猗044100

出　　处：《煤化工》2008年第6期49-52,共4页Coal Chemical Industry

摘　　要：介绍了双转鼓流化床大颗粒尿素生产工艺流程、物化过程机理、工艺特点等,简述了原材料及动力供应、设备配置及投资情况,针对实际中出现的造粒转鼓电机负荷不足、尿素抄斗设计不合理、排出尿素粉尘含量高等问题,提出了相应的改进措施,改造后生产运行平稳,产量提高,运转周期延长,粒度Φ2mm～Φ4mm尿素≥98%。Double rotary drum fluidization process is to make a combination of fluidized bed prilling with the rotating drum prilling, and to composite a fluidized bed rotating drum prilling machine, adding minor additive, then to produce large granule urea with high strength. Based on the advanced technology about large granule urea product of other countries, double rotary drum fluidization process is developed successfully, with the characteristic of advanced technology, safety and credibility, facility to operate,...

关 键 词：大颗粒尿素 双转鼓流化工艺 造粒 冷却 

分 类 号：TQ441.41[化学工程—化学肥料工业]