【正文】 年產(chǎn) 220 萬噸蠟油加氫裝置工藝管道施工方案 1 年產(chǎn) 220 萬噸蠟油加氫裝置工藝管道施工方案年產(chǎn) 220 萬噸蠟油加氫裝置工藝管道施工方案 2 目 錄一、編制依據(jù) ..............................................................................................................................3二、工程概況 ..............................................................................................................................3 ...............................................................................................................................3 ...........................................................................................................................3三、施工部署 ..............................................................................................................................5 ...........................................................................................................................5 ...........................................................................................................................5四、施工工藝流程 ......................................................................................................................6五、管道、管件及閥門檢驗 ......................................................................................................6 ...............................................................................................................................6 ...............................................................................................................................6 ...............................................................................................................................7 ...........................................................................................................8六、配管材料的保管和發(fā)放 ......................................................................................................8 ...............................................................................................................................8 ...........................................................................................................................9 .......................................................................................................9 ...............................................................................................................9 ...............................................................................................................................9七、管道加工 ............................................................................................................................10 .....................................................................................................................10 .............................................................................................................................10 .............................................................................................................................10 .............................................................................................................................10 .....................................................................................................................................11 .............................................................................................................................11 .....................................................................................................................................12八、管道焊接 ............................................................................................................................13年產(chǎn) 220 萬噸蠟油加氫裝置工藝管道施工方案 3 .............................................................................................................................13 .............................................................................................................................13 .............................................................................................................................14 .....................................................................................................................14 .............................................................................................................................16 .............................................................................................................................18（穩(wěn)定化）熱處理 .....................................................................................................19 .............................................................................................................................20 .............................................................................................................................21九、管道預(yù)制和安裝 ................................................................................................................22 .............................................................................................................................22 .............................................................................................................................23 .............................................................................................25 .............................................................................................................................26 .........................................................................................................................26 .........................................................................................................................27十、管道防腐 ............................................................................................................................28 ...............................................................................................................28 ....................