介绍了DCS控制系统在烧碱蒸发中应用情况，探讨了部分模型及控制技术问题。
Application status of DCS controlling system in caustic soda evaporation was introduced. Partial models and controlling technology were discussed.
分析了浓效真空系统中存在的问题，介绍了结合烧碱蒸发系统现状提出的改进措施。
The existing problems in vacuum system for enrich effect were analysed. Combing the present status of caustic soda evaporation system, innovation measures were put forward.
介绍了HOLLi AS 系统的技术特点及在烧碱蒸发工段实际应用中的使用情况。
Technology characteristics of HOLLIAS sytem and application status in evaporation of caustic soda were introduced.
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