液氮洗岗位操作规程 XXX XXX XXX净化车间二零一二年五月目 录第一部分 生产工艺简介............................................................................................................6一、工艺原理..........................................................................................................................61.吸附原理......................................................................................................................62.混合制冷原理..............................................................................................................73.液氮洗涤原理..............................................................................................................7二、工艺特点..........................................................................................................................8三、生产工艺流程论述...........................................................................................................91.净化气流程（涉及合成气流程）...............................................................................92.高压氮气流程.............................................................................................................113.燃料气流程.................................................................................................................114.循环氢气流程............................................................................................................125.空分来旳补充液氮流程.............................................................................................126.分子筛吸附器再生流程.............................................................................................127.冷箱低温液体排放（各导淋排放）.........................................................................13第二部分 技术操作规程...........................................................................................................14一、岗位任务.............................................................
