Passing ball cleaning pipe technique is a very effective method to clean up the impurity, wax and filthy and to exclude the existing liquid in oil gas transmission pipe.
通清管技术在油气集输中是一种常用的用来清除管道内杂质、蜡、垢以及排空管道内存液的有效办法。
Based on In-pipe clearing ash robot in exhaust gas pipeline of metal smeltery object, the scheme of in-pipe clearing ash robot with track to clean out ash in pipe is put forward.
分析了火电厂灰水管道结垢的原因 ，介绍了目前采用和研究的几种清洗技术 ，并对几种清洗技术进行了比较。
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