With the development of oil field construction and increasing of oil pipelines, the pipeline inner wall corrosion caused by oil is very serious every year, which has directly caused serious economic loss. In this paper, construction equipments and construction process of cement mortar lining anticorrosion for inner wall of the pipe were introduced and analyzed;research and application of modified cement mortar lining were discussed.% 随着油田的建设和输油管道的增多，每年因输油造成的管道内壁腐蚀非常严重，直接造成了严重的经济损失。对管道内壁水泥砂浆衬里防腐施工设备、施工工艺进行介绍和分析，对各种改良水泥砂浆衬里的使用及研究进行探讨与总结。
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