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课 程 设 计 说 明 书

武 汉 工 程 大 学

化工与制药学院

课程设计说明书

课题名称 15万吨/年聚丙烯生产工艺设计

---- 计算部分、用户手册 专业班级 学生学号 学生姓名 学生成绩 指导教师 课题工作时间 2011/12

武汉工程大学化工与制药学院

摘要

本设计的内容是关于15万吨/年聚丙烯的生产工艺设计，设计中包括工艺流程设计、物料衡算、能量衡算，设备选型，安全环保和经济技术评价。在本文中比较详细的计算出来了原料的单位用量、产品的单位产量，由算得的换热面积选择出来适合本工艺的各种设备，按照选择的工艺设计出了工艺流程图和生产车间图样，并在最后编写了可行性研究报告、商业规划书和用户手册。

通过本设计，可以对环管法聚丙烯合成车间工艺及聚合工段设计有一个初步的认识和了解，了解到环管法聚丙烯合成的基本流程。

关键词：聚丙烯 工艺流程 环管法 物料衡算 能量衡算

Abstract

This design content is about 150000 tons/year polypropylene production technology design, design including process flow design, material calculation, energy calculation, equipment selection, safe environmental protection and economic technology evaluation. In this paper a detailed calculation out of raw materials, product of dosage units unit output, is by the heat transfer area selected for the various kinds of equipment technology, according to the selection process design out of the process flow diagram and production workshop pattern, and in the last wrote the feasibility study report, business planning books and user manuals.

Through the design, can HuanGuan method of polypropylene synthesis process and polymerization design workshop section in a preliminary understanding and know, and understand to HuanGuan synthesis method of the basic process of polypropylene.

Key words：Polypropylene process flow HuanGuan method material calculation energy calculation

目 录

摘要 ........................................................................................................................... - 2 - ABSTRACT .............................................................................................................. - 2 - 目 录 ................................................................................................................... - 3 - 前言 ........................................................................................................................... - 6 - 第一章 文献综述 ..................................................................................................... - 7 -

1.1 聚丙烯概述 ....................................................................................................................... - 7 - 1.2 聚丙烯的性质 ................................................................................................................... - 7 - 1.3 聚丙烯工艺发展过程 ....................................................................................................... - 7 - 1.4 几种主要聚丙烯工艺 ....................................................................................................... - 9 - 1.4.1 Spheripol工艺……………………………………………………………………….- 9 - 1.4.2 Hypol工艺………………………………………………………………………..….- 9 - 1.4.3 Novolen工艺……………………………………………………………………….- 10 - 1.4.4 Unipol气相工艺……………………………………………………………………- 10 - 1.4.5 Amoco／Chiaso气相法工艺………………………………………………………- 11 - 1.5 新型催化剂体系的优势 ..................................................................................................- 11 - 1.5.1 PP生产工艺的优化和改善………………………………………………………...- 11 - 1.5.2 PP产品性能的改进和提高…………………………………………………….......- 12 - 1.5.3 高刚性、高结晶度的产品………………………………………………………...- 12 - 1.5.4 薄膜产品性能的改善……………………………………………………………...- 12 - 1.5.5 纺粘纤维和熔喷纤维……………………………………………………………...- 12 - 1.5.6 无规共聚物………………………………………………………………………...- 13 - 1.5.7 抗冲击共聚产品…………………………………………………………………...- 13 - 1.6 中国聚丙烯工业 ............................................................................................................. - 13 - 1.7 展望 ................................................................................................................................. - 13 -

第二章 工艺流程设计 ........................................................................................... - 14 -

2.1 工艺原理 ......................................................................................................................... - 14 - 2.2 催化剂的选定 ................................................................................................................. - 15 - 2.3 生产工艺的选定 ............................................................................................................. - 15 - 2.4 工艺流程草图 ................................................................................................................. - 17 - 2.5 工艺流程概述 ................................................................................................................. - 17 - 2.5.1 聚合区工艺………………………………………………………………………...- 17 - 2.5.2 造粒区……………………………………………………………………………...- 20 - 2.5.3 包装区……………………………………………………………………………...- 20 -

2.5.4 循环水场…………………………………………………………………………...- 21 -

第三章 物料衡算 ................................................................................................... - 21 -

3.1 设计名称 ......................................................................................................................... - 21 - 3.2 设计条件 ......................................................................................................................... - 22 - 3.2.1 全套装置工艺参数………………………………………………………………...- 22 - 3.2.2 丙烯进料量 （按小时计算）…………………………………………………….- 22 - 3.3 催化剂用量 ..................................................................................................................... - 22 - 3.4 R200小环管的物料衡算 ................................................................................................ - 23 - 3.5 氢气用量 ......................................................................................................................... - 24 - 3.6 R201大环管反应器的物料衡算..................................................................................... - 24 - 3.7 D301闪蒸罐的物料衡算 ................................................................................................ - 25 - 3.8 F301布袋过滤器的物料衡算 ......................................................................................... - 25 - 3.9 T301循环丙烯洗涤塔的物料衡算 ................................................................................. - 27 - 3.10 D501汽蒸罐的物料衡算 .............................................................................................. - 28 - 3.11 T501水洗塔的物料衡算 ............................................................................................... - 28 - 3.12 D502干燥塔的物料衡算 .............................................................................................. - 29 - 3.13 造粒 ............................................................................................................................... - 29 -

第四章 热量衡算 ................................................................................................... - 30 -

4.1 计算依据 ......................................................................................................................... - 30 - 4.2 R200小环管的热量衡算 ................................................................................................ - 30 - 4.3 R201大环管反应器的热量衡算..................................................................................... - 32 - 4.4 D301闪蒸罐的热量衡算 ................................................................................................ - 33 - 4.5 D501气蒸罐的热量衡算 ................................................................................................ - 33 - 4.6 D502干燥罐的热量衡算 ................................................................................................ - 34 -

第五章 设备选型 ................................................................................................... - 35 -

5.1 R200小环管的选型 ........................................................................................................ - 35 - 5.1.1 R200小环管的工艺参数…………………………………………………………..- 35 - 5.1.2 主要作用…………………………………………………………………………...- 35 - 5.1.3 选型………………………………………………………………………………...- 35 - 5.2 R201大环管反应器的选型 ............................................................................................ - 36 - 5.2.1 R201大环管反应器的工艺参数…………………………………………………..- 36 - 5.2.2 特点………………………………………………………………………………...- 36 - 5.2.3 选型及结构………………………………………………………………………...- 36 -