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化工原理课程设计列管式换热器设计VIP免费

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太原工业学院化工原理课程设计硝基苯冷却器设计系:班级:姓名:学号:完成时间:2010年12月26日第2页共13页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第2页共13页课程设计任务书设计一个换热器,将硝基苯液体从140℃冷却到80℃。硝基苯的流量为1×104kg/h。冷却水的入口温度为30℃,出口温度为40℃。要求设计的换热器的管程和壳程的压降不大于40kPa。设计要求(1)换热器工艺设计计算(2)换热器工艺流程图(3)换热器设备结构图第3页共13页第2页共13页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第3页共13页(4)设计说明目录一、前言································································3二、方案设计································································41、确定设计方案·····························································42、确定物性数据·····························································43、计算总传热系数···························································44、计算传热面积·····························································55、工艺结构尺寸·····························································56、换热器核算·······························································7三、设计结果一览表··························································10四、对设计的评述····························································11五、附图(主体设备设计条件图)(详情参见图纸)·································六、参考文献································································12七、主要符号说明····························································12附图··········································································第4页共13页第3页共13页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第4页共13页一、方案简介本设计任务是利用冷流体(水)给硝基苯降温。利用热传递过程中对流传热原则,制成换热器,以供生产需要。下图(图1)是工业生产中用到的列管式换热器.选择换热器时,要遵循经济,传热效果优,方便清洗,复合实际需要等原则。换热器分为几大类:夹套式换热器,沉浸式蛇管换热器,喷淋式换热器,套管式换热器,螺旋板式换热器,板翅式换热器,热管式换热器,列管式换热器等。不同的换热器适用于不同的场合。而列管式换热器在生产中被广泛利用。它的结构简单、坚固、制造较容易、处理能力大、适应性大、操作弹性较大。尤其在高压、高温和大型装置中使用更为普遍。所以首选列管式换热器作为设计基础。第5页共13页第4页共13页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第5页共13页二、方案设计某厂在生产过程中,需将硝基苯液体从140℃冷却到80℃。硝基苯的流量为1×104kg/h。冷却水入口温度30℃,出口温度40℃。要求换...

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化工原理课程设计列管式换热器设计

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