原位同管径换管技术及其在煤气管道改造中的应用

Technology of In-situ Pipe Replacement with Same-diameter Pipe and Its Application in Gas Pipeline Transformation

摘要:

结合宜春深燃有限公司城市煤气铸铁管改造工程，详细介绍了原位同管径换管技术施工工艺及技术要点。

Abstract:

Combined with the cast iron gas pipeline transformation project in Yichun, the paper details the operation process and the key technical points of in-situ pipe replacement with the same-diameter pipe.