The Application of SIEMENS PCS7 in paper pulp screening and red liquor washing control system is introduced. The structure, control realization and optimization of the system is also discussed.
介绍了西门子新一代的过程控制系统PCS7在纸浆筛洗及红液提取控制系统中的具体应用，详细叙述了系统的结构和控制上的实现方法及优化。
It was pointed out that aluminate hydrate(AH) wash liquor was favor to red mud washing only if its total soda concentration was less than that of red mud wash liquor.
指出只有当氢氧化铝洗液中全碱浓度小于或 等于赤泥洗液中全碱浓度时，才有利于赤泥洗涤；
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