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1.对垢质垢量分析化验不够，所采用的清洗剂不对，对管内的结垢不起作用，清洗不下来
1. scale qualitative analysis laboratory scale quantity is not enough, the wrong cleaning agent used on the scale does not work inside the tube, cleaning is not down
2.对清洗剂能够对换热管造成腐蚀的因素考虑不够，致使清洗后造成换热管严重腐蚀和泄露
2. cleaning agents can cause corrosion factors considered insufficient, resulting in the cleaning of heat exchange tubes caused by severe corrosion and leaks
3.是清洗过程中造成管堵塞
3 is a cleaning process causing tube blockage
4.必须具有一定的清洗常识和专用清洗设备
4 must have some common sense and for cleaning equipment cleaning
5.根据不同的结垢配制不同的清洗剂，我国地源辽阔，各地的水质不同，结垢的成分也不一样
5 Depending on the scale preparation of different cleaning agents, the source of the vast, different water quality around the fouling components are not the same
6.对清洗操作人员进行有效的清洗技术培训
6. cleaning operations personnel training for effective cleaning technology
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