After the renovation of the urea unit to enlarge its capacity, the prilling tower becomes the bottleneck in capacity increase.
尿素生产装置扩能改造后，造粒塔成为扩产的瓶颈。
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.
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。
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