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分析了尿素深度水解装置中解吸塔温度、压力波动的原因,并从控制方案、仪表选型等方面提出了改进措施及控制回路的实施方法。
The reasons of temperature and pressure fluctuation of desorption tower in the deep hydrolysis unit of urea are analyzed. And the improvement measures and the implementation methods of control loop are put forward from the aspects of control scheme and instrument selection.