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列管式换热器的工艺设计方案和选用.doc

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化工原理课程设计 2010.12.19-2010.1.2 PAGE 2 化工原理课程设计说明书题目：列管式换热器的工艺设计和选用课程名称：化工原理课程设计设计人：吴琳瑜专业：化学工程与工艺班级：化工B081 学号： 200801034119 指导老师：李辰明日期： 2010.12.19 学校：华北科技学院目录设计条件················································································· ···3 设计题目·····················································································3 设计任务······························································ ······················3 设计原则·············································· ·············· ··········· ······· ····3 设计流程·····················································································3 一、确定设计方案·········································································3 1.选择换热器类型······································································3 2.确定冷、热流体流径途径··························································4 二、流体有关物性数据···································································4 三、估算传热面积·········································································4 1.计算热负荷············································································4 2.冷却水用量·············································································4 3.传热平均传温差·······································································4 四、初算传热面积·········································································4 五、工艺结构尺寸·········································································5 1.选管子规格·············································································5 2.总管数和管程数······································································5 3.初选换热器类型与型号·····························································5 4.确定管子在管板上的排列方式 TC 传热管排列和分程方法 \f C \l 2 ················································· ·5 5．管子与管板、管板与壳体的连接···································· ··