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一、现状和问题1995年以前,韶钢焦化厂废水处理工段所使用的废水泵都是有底阀的普通离心泵,使用效果不好。表现为:(1)运转时常发出噪声并伴随振动,泵轴和轴承经常损坏;(2)停用时叶轮很容易沉积一种致密且难清除的黑色水垢,影响水泵的流量和压力;(3)底阀易腐损、堵塞,且笨重,检修不便;(4)水泵起动前灌水时间长。
First, the status quo and problems Before 1995, Shaoguan Coking Plant wastewater treatment section of the wastewater pump used are bottled valve ordinary centrifugal pump, the use of poor results. The performance is as follows: (1) Noise and vibration often occur during operation, and the shaft and bearing are frequently damaged; (2) When deactivated, the impeller can easily deposit a dense and difficult to remove black scale which affects the flow and pressure of the pump; (3) Bottom valve perishable, clogged, and bulky, inconvenient maintenance; (4) irrigation before starting a long time.