浅析影响大颗粒尿素造粒的因素  

Briefly Analyzing Factors of Influence on Large Granule Urea Prilling

作　　者：粟升[1] 

机构地区：[1]中国石油天然气股份有限公司塔里木油田石化分公司,新疆库尔勒841000

出　　处：《化肥设计》2013年第1期34-36,共3页Chemical Fertilizer Design

摘　　要：介绍了大型尿素流化床造粒装置流态化造粒过程的基本机理;分析了大颗粒尿素造粒的影响因素。结果表明:造粒系统的床层高度、床层温度、流化风量、喷射风量、喷嘴尿液压力以及蒸发系统中的尿液浓度、缩二脲含量、甲醛加入量均对大颗粒尿素的造粒产生影响。Author has introduced the basic principle for the fluidized prilling process in the fluidized bed of large-sized urea prilling device; has analyzed the influencing factor on large granule urea prilling. Result indicates that all the bed layer height in prilling system, bed layer temperature, fluidized air quantity, jetting air quantity, urea solution pressure in sprayer as well as urea solution concentration in evaporation system, biuret content, formahtehyde adding quantity have an influence caused on prilling of large granule urea.

关 键 词：大颗粒尿素造粒装置 流化床造粒 影响因素 分析 

分 类 号：TQ441.41[化学工程—化学肥料工业]