尿液喷浆造粒--生产复合肥的一种新工艺

在团粒法工艺的基础上 ,用尿素熔融尿液或尿素车间二段蒸发器的尿液进行喷浆造粒生产复合肥。介绍了生产复合肥工艺的改造方案和效果 ,实践证明该工艺可以明显提高产品质量和产量 ,降低各种消耗 ,增大操作弹性和稳定工艺状况。

Liquid urea spray granulation: a new technology of producing compound fertilizer

Melting urea or liquid urea from the second step evaporator of urea plant is used to produce NPK compound fertilizer by spraying granulation on the basis of conglomeration technology.The plan and results of this technology are introduced,and the practice proves that the process can improve product quality and production capacity,reduce energy consumption,extend operation range and stablize technological conditions.