介绍了差动旋转造粒喷头的工作原理和结构特点。
A presentation is given of the operating principle and structural characteristics of the differential revolving prilling basket.
镇海石化总厂化肥厂在1992年对尿素装置中的尿素造粒喷头进行了改造。
The pelletizing nozzle of the urea unit was revamped by importing Casale nozzle in the Fertilizer of Zhenghai Petrochemical Works in 1992.
介绍氨气提法尿素装置的造粒喷头、二段蒸发水离器及分解系统压力控制阀的改造情况。
The retrofit is given of the prilling basket, second stage evaporation separator and control valve for pressure in the hydrolysis system in a urea unit based on the ammonia stripping process.
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