列管式换热器的工艺设计和选用

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1、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············································································

2、·········3设计任务····················································································3设计原则··················································································3设计流程·····················································································3一、确定设计方

3、案·········································································31.选择换热器类型······································································32.确定冷、热流体流径途径··························································4二、流体有关物性数据··············································

4、·····················4三、估算传热面积·········································································41.计算热负荷············································································42.冷却水用量·············································································43.传热平均传温差·

5、······································································4四、初算传热面积·········································································4五、工艺结构尺寸·········································································51.选管子规格·········································

6、····································52.总管数和管程数······································································53.初选换热器类型与型号·····························································54.确定管子在管板上的排列方式··················································55．管子与管板、管板与壳体的连接··········

7、·····································66.壳体内径的确定·····································································67.确定实际管子数目··································································68.折流挡板··············································································69.其他

8、附件·················