论文部分内容阅读
清管作业是长输天然气管道投产或运行中的一项重要工作,保证管道正常运行。本文总结了常用清管器的种类及性能,适用范围,优缺点。根据清管作业现场经验,结合相关文献,总结出清管过程中造成卡堵的6个原因,并就这几个原因分别进行讨论,寻求最经济的解决办法。最后根据目前清管作业中存在的问题进行详细探讨,并提出了改进建议。
Pigging operation is a long-distance natural gas pipeline put into operation or an important task to ensure the normal operation of the pipeline. This article summarizes the types and properties of common pigs, the scope of application, advantages and disadvantages. According to the experience of pigging operation site, combined with the relevant literature, summed up the six causes of stuck during the pigging process, and to discuss these several reasons, to find the most economical solution. Finally, according to the current problems in pigging operations for a detailed discussion, and put forward suggestions for improvement.