现场清管作业时清管器经常被卡堵，严重时会影响正常生产。
The pig is blocked frequently when pipeline pigging, which will influence the normal operation due to severe plugging sometimes.
研究清管器在含蜡原油输送管道中的受力情况和运行规律，分析发生清管器卡堵事故的原因并提出相应措施。
On the basis of study about the forces on the PIG and the principle of PIG running in wax crude oil pipeline, to analyze the reason of PIG block accidents and to give measures.
该清管器的钢轴能在较大推力作用下发生弯曲变形，有利于通过弯头或变形管段，可有效避免堵卡事故的发生。
The steel axle of this kind of pig can bend under greater thrust force, it is helpful to pass through elbow or the section of converting pipe, so it can avoid efficiently block accident.
分析循环流化床锅炉运行中出现的高温再热器、二级过热器爆管和给煤系统旋转给料阀经常堵煤等问题。
The causes of SH and RH tube explosion and coal feed system jamming in the operating CFBB are analyzed.
在燃气钢质管道清管过程中，皮碗式清管器受到的磨损较大，而且管道中各类弯头和三通件要求清管器的长度合适，否则容易造成卡堵。
Leather cap type pig has higher abrasion during pigging gas steel pipeline. Furthermore, various elbow bend and tee joint need different suitable length pig or else easy to cause pipeline clog.
在燃气钢质管道清管过程中，皮碗式清管器受到的磨损较大，而且管道中各类弯头和三通件要求清管器的长度合适，否则容易造成卡堵。
Leather cap type pig has higher abrasion during pigging gas steel pipeline. Furthermore, various elbow bend and tee joint need different suitable length pig or else easy to cause pipeline clog.
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