化工原理课程设计之硝基苯冷却器设计VIP专享VIP免费

太原工业学院化工原理课程设计硝基苯冷却器设计第2页共14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14页系：班级：姓名：学号：完成时间：2010年12月26日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。第3页共14页第2页共14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14页设计要求（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（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第4页共14页第3页共14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14页五、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··········································································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，第5页共14页第4页共14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14页喷淋式换热器，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。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...