柴油原油换热器设计说明书

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1、齐齐哈尔大学化工原理课程设计——柴油加热器化工原理课程设计柴油加热器设计说明书设计者：班级：化工084班组长：张婷成员：刘安东钱生来林斌张权日期：2011年6月20日指导教师邢进设计成绩日期第23页共24页齐齐哈尔大学化工原理课程设计——柴油加热器目录一．设计说明书································································3二．设计条件及主要物性的确定······································

2、·············31．定性温度的确定·························································32．流体有关物性···························································3三.确定设计方案······························································41．选择换热器的类型····················

3、··································42．流程安排·······························································4四．估算传热面积·····························································41.传热器的热负荷·······················································42.平均传热温差··

4、·······················································43.传热面积估算·························································4五．工程结构尺寸·····························································41.管径和管内流速·················································

5、·······42.管程数和传热管数······················································43.第23页共24页齐齐哈尔大学化工原理课程设计——柴油加热器平均传热温差校正和壳程数··············································51.传热管排列和分程方法··················································52.壳程内径··················

6、············································63.折流板································································64.其他附件······························································65.接管······························································

7、····6六．换热器核算·································································71.热流量核算·······························································7（1）壳程表面传热系数···················································7（2）管程表面传热系数···························

8、························7（3）污垢热阻和管壁热阻·················································8（4）传热系数K·························································8（5）传热面积裕度·······················································82.壁温核算··························