20万吨聚氯乙烯生产工艺摘要.doc
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摘 要
本设计是年产20万吨聚氯乙烯（PVC）车间合成工段初步设计。本文对聚氯乙烯的研究，生产和应用进行了详细的概述，阐述了其在化学工业中的作用和地位。确定了聚氯乙烯的生产工艺。在确定聚氯乙烯生产工艺的基础上进行了物料衡算，热量衡算，设备选型等。讨论了三废、供电、供水、采暖的处理方案。阐述了公用工程的自动控制水平。
关键词：聚氯乙烯（PVC），氯乙烯，物料衡算，热量衡算，聚合反应
Abstract
The process design of synthesis section of twenty thousand tons Polyvinyl chloride polymer in workshop was designed. In this paper, firstly, synthesis method of Polyvinyl chloride polymer, production and application were outlined. Its effect and status was introducted in chemical industry. Secondly, process of Polyvinyl chloride polymer was selected in the design. Mass balance and heat balance were finished, and the size and type of key equipments were selected. And methods of treating “Three Wastes”, electrical power supply, feedwater supply, heating were discussed. Ventilation Control in public works was accounted.
Keywords: Polyvinyl chloride polymer（PVC），Polyvinyl chloride ，Mass balance ，heat balance ，condensation reaction
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1. 1概述……………………………………………………………………………………………1
1. 2 设计依据 …………………………………………………………………………………4
1. 3 厂址选择……………………………………………………………………………………4
1. 4设计规模与及原料与产品规格…………………………………………………………6
1. 5主要原料规格及技术指标…………………………………………………………………7
1. 6产品规格……………………………………………………………………………………6
2 工艺设计与计算………………………………………………………………………………8
2.1工艺原理………………………………………………………………………………………8
2.2工艺条件影响因素…………………………………………………………………………8
2.3工艺路线选择………………………………………………………………………………10
2.4工艺配方和参数参数………………………………………………………………………13
2.5物料衡算……………………………………………………………………………………14
2.6热量衡算……………………………………………………………………………………18
3 设备选型………………………………………………………………………………………22
3.1选型原则……………………………………………………………………………………22
3.2关键设备选择………………………………………………………………………………22
3.3其他设备的选择……………………………………………………………………………33
4 车间布置设计的原则………………………………………………………………………34
4.1车间布置设计的原则………………………………………………………………………34
4.2车间设备布置………………………………………………………………………………35
5 自动控制……………………………………………………………………………………… 36
5.1主要的控制原理……………………………………………………………………………36
5.2自控水平与控制点…………………………………………………………………………36
6 环境保护………………………………………………………………………………………37
6.1三废产生情况………………………………………………………………
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