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.
提高了系统的控制精度和稳定性，同时也提高了生产效率，满足了蒸发工段的工艺及生产要求。
The precision and stability of system is advanced, and also the manufacture efficiency is improved. The need of technics and manufacture of evaporation station is satisfied.
针对蒸发工段生产中存在的问题，从工艺、设备方面介绍了对蒸发工段技术改造的措施，并对经济效益进行了分析。
Contraposing the problem of evaporation section, technology transformation measures of evaporation section were introduced in process and equipment. The economy benefit was also analyzed.
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