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[1]王永全,胡春伟.油罐底板检修及其焊接变形的防治措施[J].油气储运,2006,25(8):42-44.[doi:DOI:10.6047/j.issn.1000-8241.2006.08.012]
　WANG Yongquan,HU Chunwei.Maintenance of Tank Bottom Plate and Countermeasures against its Welding Deformation[J].Oil & Gas Storage and Transportation,2006,25(8):42-44.[doi:DOI:10.6047/j.issn.1000-8241.2006.08.012]
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油罐底板检修及其焊接变形的防治措施

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 25 期数: 2006年8期 页码: 42-44 栏目: 出版日期: 1900-01-01
Title:
Maintenance of Tank Bottom Plate and Countermeasures against its Welding Deformation
作者:
王永全1;  胡春伟2
1. 中石化管道储运公司潍坊输油处;
2. 中国石油天然气管道工程有限公司
Author(s):
WANG Yongquan1;  HU Chunwei2
关键词:
油罐; 罐底; 焊接变形; 原因; 防治措施
Keywords:
oil tank; maintenance; bottom plate; welding deformation; reason; measures
DOI:
DOI:10.6047/j.issn.1000-8241.2006.08.012
摘要:
结合油罐现场施工经验,对罐底检测、罐底评定、罐底检修方案制定中应注意的问题进行了分析,指出罐壁间双面角焊缝和罐底周边大角焊缝各自产生的周向收缩力及弓形边缘板与中幅板的排板方式是导致罐底板变形的主要原因。提出采用合理控制装配、焊接顺序以及多段逆向大幅度跳焊法等工艺,可有效控制油罐底板焊接时产生的波浪变形。
Abstract:
The analyses on deformation inspection data and stress inspection data of tank bottom plate are made, including the problems existed in inspection program of bottom maintenance. It is pointed out that the major reason of deformation of tank bottom plate is from two facets,the first is the hoop convergent force of tank shell welds and fillet welds of bottom plate,and the second is the spreading pattern between edge plate and bottom plate. The authors consider that rational welding sequence and multi-plate skip welding method can effectively suppress the wave-type deformation of bottom welding.

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备注/Memo

收稿日期:2004-3-19。
作者简介:王永全,工程师,1968生,1991年毕业于西安石油学院焊接工艺与设备专业,现在中石化管道储运公司潍坊输油处从事工程施工管理工作.261031,山东省潍坊市北宫东街230号;电话:13573601968.

更新日期/Last Update: 1900-01-01