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针对紫金洗煤厂煤泥水处理的实际情况,设计了絮凝剂自动添加控制系统。系统根据实时检测到的煤泥水浓度、流量以及溢流水浊度,通过前馈和反馈相结合的方法,自动控制絮凝剂添加量。工业试验表明:使用该系统降低了药耗,稳定了溢流水浊度,改善了循环水质量。
Aiming at the actual situation of slime water treatment in Zijin Coal Preparation Plant, a flocculant automatic adding control system was designed. The system automatically controls the amount of flocculant added by the combination of feedforward and feedback according to the slime water concentration, the flow rate and the turbidity of overflow water detected in real time. Industrial tests show that: the use of the system to reduce drug consumption, stabilizing overflow turbidity, improved circulating water quality.