50000m3油罐焊接方案.rar

5万立方米原油储罐焊接方案

目录
1. 编制说明.................................................................2
2. 编制依据.................................................................2
3. 储罐设计技术条件.........................................................2
4. 油罐主体材料概况.........................................................3
5. 焊前准备.................................................................4
5.1 焊接方法及设备的选择....................................................4
5.2 焊接接头坡口型式及其加工................................................5
5.3 焊接接头现场组对技术要求................................................5
5.4 焊接工艺评定............................................................6
5.5 焊工考核................................................................6
5.6 焊接材料................................................................6
5.7 技术交底................................................................8
6.焊接施工..................................................................8
6.1 一般要求................................................................8
6.2 罐底的焊接..............................................................9
6.3 罐壁的焊接.............................................................15
6.4 罐壁与罐底大角焊缝的焊接...............................................17
6.5 浮顶的焊接.............................................................17
6.6 其它附件的焊接.........................................................19
7. 焊后检查及验收......................................................... 21
7.1 焊缝的外观检查.........................................................21
7.2焊缝无损检测及严密性试验...............................................22
8．焊接修补................................................................25
9．质量保证措施............................................................25
10.HSE措施................................................................26
11.附件(焊缝编号示意图及焊接工艺卡、焊材控制程序及自检表格)................27