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This design also gives full consideration to the safety and environmental protection issues. In the production process, require that all personnel should obey strictly the regulation to operate, and usually attend the related training to know about the relevant information. In the environment protection part, wastewater and noise should be ejected with strict requirement.
According to the task issued by the design, the Expandable Polystyrene polymerization process section design is successful accomplished. Throughout the design process, I have a comprehensive understanding of production processes of Expandable Polystyrene and production application of Expandable Polystyrene. And according to the basis of expertise, combining my knowledge of the internship experience and flexible application, there is a certain foundation for me to engage in work related to production management for the future.
Under the teacher Xu Chunhua’s guiding, I have got many valuable suggestions to accomplish the design of the Expandable Polystyrene polymerization process section. Here, I express my sincere thanks to him.
As Expandable Polystyrene polymerization process section design of knowledge is broad, and my knowledge and experience are limited, cordially requesting teachers make a comment to the mistakes and the inadequacies of the design.
The knowledge of Expandable Polystyrene polymerization process section is so amplitude, and my knowledge and experience are limited, cordially requesting teachers make a comment to the mistakes and the inadequacies of the design.
目录
第一章 绪论 1
1.1聚苯乙烯概述 1
1.1.1 聚苯乙烯的定义和结构 1
1.1.2聚苯乙烯的一般性能和工艺性能 1
1.1.3可发性聚苯乙烯简介 3
1.1.4可发性聚苯乙烯（EPS）的性能 3
1.1.5聚苯乙烯的应用及可发性聚苯乙烯行业前景 5
1.2设计依据及指导思想 6
第二章 工艺论证 7
2.1聚合机理 7
2.1.1链引发 7
2.1.2链增长 8
2.1.3链终止 8
2.1.4链转移 8
2.2聚合方法 9
2.2.1苯乙烯的本体聚合 9
2.2.2 苯乙烯悬浮聚合 10
2.3可发性聚苯乙烯（EPS)的工艺路线 11
2.3.1高聚物形成过程 12
2.3.2 为何选悬浮聚合法 12
2.3.3可发性聚苯乙烯的影响因素 15
2.3.4聚合工段工艺过程叙述 17
2.3.5生产流程设计 17
2.4产品规格、生产方式与原料 19
2.4.1产品规格 19
2.4.2生产方式及规模 21
2.4.3产品原料 21
2.4.4工艺控制条件 23
第三章 物料衡算 25
3.1计算依据 25
3.2聚合工段物料衡算 25
3.2.1进料阶段 25
3.2.2出料阶段 28
3.2.3最终成品 28
第四章 热量衡算 30
4.1显热计算 30
4.2聚合热 31
4.3聚合釜的搅拌热 33
4.4热量损失 34
4.5蒸汽的用量 35
4.6冷却水的用量 35
第五章 设备计算与选型 36
5.1聚合釜的设计 36
5.1.1聚合基本数据 36
5.1.2聚合釜容积确定 36
5.1.3聚合釜的选型原则 37
5.1.4釜的选型 38