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di wen gang guan dao shi gong ji shu
Author(s): 
Pages: 14-16
Year: Issue:  3
Journal: Ethylene Industry

Keyword:  乙烯装置低温钢管道施工;
Abstract: 乙烯装置低温工艺管线具有温度变化大(-29~-196℃)、工艺复杂、安装要求高等特点,需严格按规范及技术要求施工。以兰州石化700 kt/a乙烯改扩建工程乙烯装置低温管线的施工为例,对低温管道的选材、检验、预制、焊接、热处理、安装、试压、干燥等施工技术进行介绍。
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