CAJ | 학술논문

针对尿素装置解吸水解系统在运行过程中存在的问题，分析其原因，并采用立体高效传质塔盘对解吸塔进行改造。改造后，解吸水解系统可在110％负荷下稳定运行，最高负荷可达135％；经解吸水解系统处理后的工艺冷凝液基本达到设计指标要求，可送至循环水系统回收利用。
침대뇨소장치해흡수해계통재운행과정중존재적문제，분석기원인，병채용입체고효전질탑반대해흡탑진행개조。개조후，해흡수해계통가재110％부하하은정운행，최고부하가체135％；경해흡수해계통처리후적공예냉응액기본체도설계지표요구，가송지순배수계통회수이용。
In connection with problems in operation of desorption and hydrolysis system of urea unit,the causes are analyzed,and the desorber is revamped with high efficiency combined trapezoid spray tray.After the revamp,the desorption and hydrolysis system can run stably under 110% load, and the highest load can reach 135%;process condensate treated with desorption and hydrolysis system meets the requirements of design index basically,and can be recovered to circulating water system.