吉化集团公司10.6万吨/年丙烯腈扩建工程〖V8306、V8131、V8301、V8302、V8304〗储槽 焊接施工方案
目 录
一、编制说明： ················································································ 3 二、编制依据： ················································································ 3 1、施工图纸 ···················································································· 3 2、执行标准 ···················································································· 3 三、工程概况： ················································································ 4 四、施工前准备 ················································································ 5 1、技术准备 ···················································································· 5 2、材料验收 ···················································································· 5 3、施焊人员准备 ············································································ 5 五、施工方法及技术要求 ································································ 6 1、 焊材选用 ·················································································· 6 2、材料存放及领用 ········································································ 6 3、焊前准备 ···················································································· 8 4、焊接工艺参数及施焊项目 ·························································· 8 5、立式圆筒形储槽施焊方法 ······················································ 11
1
吉化集团公司10.6万吨/年丙烯腈扩建工程〖V8306、V8131、V8301、V8302、V8304〗储槽 焊接施工方案
6、矩形储槽施焊方法 ·································································· 12 7、焊接技术要求 ·········································································· 12 8、资料 ·························································································· 16 六、焊缝无损探伤及严密性试验 ·················································· 16 七、保证焊接质量预防措施 ·························································· 18 八、焊接安全技术措施及要求 ······················································ 19
2
吉化集团公司10.6万吨/年丙烯腈扩建工程〖V8306、V8131、V8301、V8302、V8304〗储槽 焊接施工方案
一、编制说明：
本方案为吉化集团公司10.6万吨/年丙烯腈扩建工程中间罐区及废水/废液罐区五台白钢非标设备现场制作安装的焊接施工所编制，为了保证焊接质量和施工进度，并合理安排人力和物力，多、快、好、省的完成施工任务，以及安全、经济、规范的进行焊接施工，特编制本方案。
二、编制依据：
1、施工图纸
1.1催化剂沉降槽0394-00800-12239-0074 1.2废水/废有机物槽0394-00800-12215-0719 1.3污水槽0394-00800-12215-0718 1.4粗丙烯腈槽0394-00800-12215-0716 1.5不合格丙烯腈槽0394-00800-12215-0717 2、执行标准
2.1《钢制焊接常压容器》JB/4735-1997； 2.2《钢制压力容器焊接工艺评定》JB4708-2000； 2.3《钢制压力容器焊接规程》JB/T4709-2000；
2.4《石油化工立式圆筒形钢制焊接储罐设计规范》SH3046-92； 2.5《立式圆筒形钢制焊接油罐施工及验收规范》GBJ128-90 2.6 《压力容器无损检测》JB4730-94
3
吉化集团公司10.6万吨/年丙烯腈扩建工程〖V8306、V8131、V8301、V8302、V8304〗储槽 焊接施工方案
2.7《不锈钢焊条》GB983—95
2.8 《气焊、手工电弧焊及气体保护焊焊缝坡口的基本形式与尺寸》GB985—88
2.9《碳钢焊条》GB/T5117—95 2.10《炼油施工安全规范》HGJ233—87
2.11《施工现场临时用电安全技术规范》JGJ46—88 3、施工现场实际情况
4、丙烯腈项目部及监理部要求
三、工程概况：
3.1中间罐区及废水/废液罐区5台白钢非标设备，其中四台材质为00Cr19Ni10，一台材质为00Cr17Ni14Mo2。
3.2设备一览表：
序号 位号 1 2 3 4 5 V8306 V8131 V8301 V8302 设备名称 规格 数量 单重（KG） 总重（KG） 1 1 1 1 1 5 16900 20325 30420 30410 31575 16900 20325 30420 30410 31575 129630 区号 833 833 832 832 833 13120*3994*2450 催化剂沉降槽 材质 00Cr19Ni10 Φ9500*9591 污水槽 材质 00Cr19Ni10 1000m3 粗丙烯腈罐 Φ12000*9410 00Cr19Ni10 1000 m3 12000*9410 不合格丙烯腈槽 Φ00Cr19Ni10 1000 m3 V8304 废水/废有机物槽 Φ1150*18580 00Cr17Ni14Mo2 合计
4
