莆节化工原理课程设计羈膇膆莃莁柴油加热器设计说明书薇袇肁葿羆莃膂薈设计者:班级:化工084班莅组长:张婷肃成员:刘安东钱生来林斌张权芄日期:·····································································································································································································································································································4羇选择换热器的类型·····················································································································4膄估算传热面积·····························································4蕿传热器的热负荷·······················································4莇平均传热温差·························································4肅传热面积估算·························································4羁工程结构尺寸·····························································4袂管径和管内流速························································4螆管程数和传热管数······················································4螅平均传热温差校正和壳程数··············································5羂传热管排列和分程方法··················································5肀壳程内径······························································6芆折流板································································6薆其他附件······························································6肄接管··································································································································································································7芆(1)壳程表面传热系数···················································7袁(2)管程表面传热系数···················································7蒁(3)污垢热阻和管壁热阻·················································8莈(4)传热系数K·························································8肆(5)传热面积裕度···························································································································
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