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中粮生物化学(安徽)股份有限公司
改造项目(燃料乙醇)
无损检测方案
编 制:
审 核:
批 准:
中国三冶集团有限公司
二〇一七年三月六日
目录
一、工程概述·············································1
1.1工程概况··············································1
1.2编制依据及验收规范····································1
1.3检测工程要求··········································1
二、主要检测项目的保证措施·······························1
2.1概述··················································1
2.2射线检测方案··········································1
2.3超声检测方案··········································6
2.4渗透检测方案··········································7
2.5磁粉检测方案··········································10
2.6保证措施··············································13
三、安全技术措施·········································16
3.1人员要求··············································16
3.2设备要求··············································16
3.3人员防护··············································16
3.4现场防护··············································16
四、应急预案··············································17
五、无损探伤JSA分析及防护方法···························18
无损检测方案
工程概述:
1.1工程概况
中粮生物化学(安徽)股份有限公司(燃料乙醇)项目共有三十台储罐,依据相关规范及标准,对罐体进行无损检测工作。
1.2 编制依据及验收规范
1.2.1 GB50128-2005《立式圆筒形钢制焊接储罐施工及验收规范》;
1.2.2 NB/T47013.1~6-2015《承压设备无损检测》;
1.2.3 GB50341-2014 《立式圆筒型钢制焊接油罐设计规范》;
1.2.4 SH/T3167-2012 《钢制焊接低压储罐》
1.2.5 NB/T47015-2011 《压力容器焊接规程》;
1.2.6 HG/T20569-2013 《机械搅拌设备》;
1.2.7计图纸文件要求的其他规范、规程;
1.2.8 GB18871-2005《射线卫生防护基本标准》。
1.3 检测工作要求
1.3.1 发酵区储罐探伤要求:
底及次圈罐壁纵焊缝100%射线探伤,Ⅲ级合格;底及次圈罐壁环焊缝和其余各圈纵焊缝20%射线探伤,Ⅲ级合格;其余各圈环焊缝2%探伤,Ⅱ级合格;罐壁所有丁字焊缝100%射线探伤,Ⅱ级合格;底圈壁板与罐底内外角焊缝100%磁粉探伤,Ⅰ级合格;罐底边缘板(外缘300mm)对接焊缝100%射线探伤,Ⅱ级合格;罐底板T型焊缝根部和表面100%磁粉探伤。
1.3.2乙醇成品罐区及乙醇中间罐区储罐探伤要求:
按GB50341-2014中的第12.2条及GB50128-2014中的第7.2条相关条款规定进行探伤。
主要检测项目的保证措施
2.1概述
1无损检测指令由本工程的无损检测业主工程师下达;
2无损检测依据《承压设备无损检测》(NB/T 47013.1~47013.6-2015)
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