聚丙烯装置标准工艺重点技术专题规程.docx

聚 丙 烯 装 置工 艺 技 术 规 程 中国石化股份有限公司安庆分公司二○○六年四月 目 录第一章 装置概况...........................................1第一节 概述......................................1一、装置设计.....................................1二、工艺基本原理及重要影响因素分析..................1三、装置工艺和设备重要特点........................15四、装置较大技术改造.................................15第二节 设计数据......................................18一、原材料质量指标...................................18二、产品质量指标.....................................21三、重要工艺设计条件及工艺计算汇总.....................22四、物料平衡............................................23五、能耗、物耗.......................................24第三节 装置流程简介...................................25第四节 工艺卡片......................................26第二章 岗位操作法.......................................30第一节 原料精制岗位..................................30一、正常操作法.......................................30二、异常状况解决....................................32第二节 聚合岗位....................................33一、正常操作法..................................34二、异常状况解决....................................43第三节 闪蒸岗位......................................46一、Ⅰ套装置正常操作法.....................................46二、异常状况解决.............................................48三、Ⅱ套装置SDT控制仪表操作法...............................48第四节 低压丙烯回收岗位操作法.........................51一、正常操作法.......................................51二、异常状况解决.....................................52第五节 分装岗位......................................53一、正常操作法.......................................53二、注意事项.......................................53第六节 成品包装岗位....................................54一、正常操作法.......................................54二、异常状况解决.....................................54第七节 机泵岗位操作法....................................55一、离心泵操作法.....................................55二、水环真空泵操作法..................................57三、丙烯压缩机操作法.................................59第八节 专用设备操作法....................................62一、聚合釜操作法.....................................62二、闪蒸罐操作法.......................................65三、氮气纯化器操作法.................................66四、气柜操作法..........................................73五、超声波防垢器操作法.......................................74六、DCS-25A-Ⅱ型定量自动称重包装秤操作法....................76第三章 装置正常动工.................................81第一节 动工准备.......................................81一、动工必备条件.....................................81二、动工准备工作.....................................81第二节 吹扫试压置换......................................82一、吹扫...............................................82二、气密..............................................84三、丙烯置换...........................................85四、水系统冲洗和联运..................................86五、润滑油系统油运..................................89六、干燥器再生.......................................89第三节 活化剂系统动工.................................89一、吹扫.............................................89二、气密.................................................90三、清洗、置换...........................................90四、活化剂放空吸取罐注油................................91五、压送活化剂.......................................91第四节 动工程序.......................................91一、丙烯精制.............................................91二、动工环节.............................................91附1：装置动工网络图...................................92附2：动工盲板表.........................................93第四章 装置正常停工..................................94第一节 停工规定.......................................94一、停工原则.........................................94二、停工准备工作....................................94第二节 停工程序.........................................94一、退丙烯..........................................94二、系统置换.........................................95三、系统吹扫............................................96四、气柜排水.........................................98五、加盲板..........................................98六、开人孔、交付检修.....................................98第三节 活化剂系统停工..............................98一、退活化剂..........................................98二、活化剂放空吸取罐退油.......................................99三、清洗、置换.....................................................99附1：装置停工网络图...................................................100附2：停工盲板表.....................................101第五章 事故解决......................................102第一节 系统事故解决......................................102一、紧急停工解决原则....................................102二、系统事故解决...........................................102第二节 工艺事故解决......................................104一、活化剂系统泄漏着火........................................104二、闪蒸罐放料口静电起火..........................................104三、气柜钟罩水封冲破，大量丙烯泄漏..............................105第三节 设备事故解决............................................105一、聚合釜填料箱压盖冲开.......................................105二、气柜钟罩抽瘪..............。