【摘要】 介绍了挪威海德鲁循环流化床尿素造粒技术在我国小化肥厂的应用情况。该装置试运行 1年多来 ,生产状况良好 ,达到设计目的。产品含水量≤ 0 .3 % ,缩二脲含量≤ 0 .8% ,粒度为 2～ 4mm的颗粒在 90 %以上 ,强度 >3 0N/颗更多还原

【Abstract】 A presentation is given of the use of the Norsk Hydro circulating fluidized bed urea granulation process in a small chemical fertilizer plant in China. Such a unit has been in trial run for more than a year, production is satisfactory, and the design aim has been achieved. The product has a moisture of ≤0.3%, a biuret content of ≤0.8%, granules of 2～4 mm are over 90%, and their strength is >30 N/granule.更多还原