兰州—银川输气管道工程第五单元冬季施工措施  

Winter Construction Measures of Fifth Bidding Section of Lanzhou-Yinchuan Gas Transmission Pipeline

作　　者：吴兵[1] 黄高优[1] 张青士[1] 

机构地区：[1]长庆油田建设工程总公司,陕西西安710000

出　　处：《石油工程建设》2009年第S2期120-121,1,共3页Petroleum Engineering Construction

摘　　要：介绍了兰银线第五标段冬季施工中有关焊接、防腐施工技术,包括焊前预热、层间加热、焊后保温、补口作业和以及施工设备的管理措施,并就冬季施工对X70钢的焊接影响问题进行了讨论。This paper introduces the welding and anticorrosion techniques in the fifth bidding section of Lan-Yin Pipeline,such as preheating before welding,interlayer heating,thermal preservation after welding,field joint operation and close coordination of working procedures as well as management of construction equipment.It also discusses the effects of winter construction on X70 steel welding.

关 键 词：输气管道 冬季施工 防腐 焊接 

分 类 号：TE973[石油与天然气工程—石油机械设备]