年产80万吨发泡聚苯乙烯聚合工段工艺设计说明书要点分析.doc

摘　　要 可发性聚苯乙烯EPS。通称聚苯乙烯苯乙烯系共聚物，一种树脂物理性发泡剂和其它添加剂。可发性聚苯乙烯具有优异久的保温隔热性、独特的抗老化性缓冲抗震性和防水性，因在许多领域得到了广泛的应用。Abstract Expandable Polystyrene, referred to as EPS. commonly known as the Department of polystyrene and styrene copolymer is a resin with the physical blowing agent and other additives mixture. Expandable Polystyrene with excellent durable insulation, unique buffer shock resistance, aging resistance and waterproof, and therefore has been widely used in many fields. The design for the annual production capacity of 800,000 tons can be made of polystyrene polymerization process design section, the reaction mechanism is free radical polymerization, suspension polymerization process used to styrene as monomer, water suspension medium done using one-step production of low-temperature suspension polymerization process. This method is a styrene monomer, initiator, dispersing agent, water, blowing agent and other auxiliaries to join reactor, the polymer containing a foaming agent, after the resin particles by washing, centrifugal separation and drying, the system may be made of polystyrene beads products; in this section based on the polymer material balance, heat balance, equipment selection, the mapping of control points with the flow chart, diagram and layout of piping plans and the preparation of the design specification and calculation of the book. Key Words：Expandable PolyStyrene；Craft calculation；Technological design ;Suspension Technique 前言 7 第一章 绪论 8 1.1设计依据、指导思想 8 1.1.1设计依据 8 1.1.2指导思想 8 1.2厂址的选择 8 1.3设计地区的自然条件 9 1.4车间布置、岗位人员配制 9 1.4.1车间布置 9 1.4.2岗位人员配制 9 1.5节能与环境保护 9 1.5.1节能 9 1.5.2环境保护 10 1.6安全防火 10 1.6.1消防设施 10 1.6.2灭火程序 10 第二章 工艺论证 11 2.1工艺原理 11 2.1.1实施方案 11 2.1.2工艺路线 11 2.1.3工艺流程 11 2.1.4反应原理 11 2.2发泡聚苯乙烯技术工艺比较 12 2.2.1塔式本体聚合技术[3] 12 2.2.2添加少量溶剂的单釜连续本体聚合技术 12 2.2.3苯乙烯的悬浮聚合[4] 13 2.2.3.1聚合原理 13 2.2.4苯乙烯种子法悬浮聚合 13 2.3发泡聚苯乙烯生产工艺 14 2.3.1一步法聚合工艺 14 2.3.1.1技术原理 14 2.3.2二步法聚合工艺 14 2.3.2.1技术原理 14 2.3.3一步法工艺与二步法工艺的比较[5] 14 2.4可发性聚苯乙烯基本性能 15 2.4.1力学性能 15 2.4.2绝热性能 16 2.4