目 录第 1 章 课程设计任务书.......................................................3第 2 章 局部排风除尘系统的组成........................................72.1 集气罩..................................................................................72.2 除尘设备..............................................................................72.3 风机......................................................................................82.4 风管……………………………………….........................8 2.5 其他设备………………..,………………………………...8第 3 章 除尘系统设计计算....................................................93.1 集气罩的设计计算..............................................................93.1.1 集气罩的集气原理...............................................................93.1.2 集气罩的设计.....................................................................103.1.3 集气罩设计小结.................................................................123.2 管道的设计........................................................................133.2.1 管道设计的原则.................................................................133.2.2 管道分段计算.....................................................................143.2.3 并联管路压力平衡计算.....................................................173.2.4 除尘系统总压力损失.........................................................183.2.5 管段设计小结.....................................................................183.3 通风机、电动机的选择....................................................203.3.1 通风机的分类及性能.........................................................203.3.2 通风机的应用.....................................................................203.3.3 风机、电动机的选择.........................................................213.3.4 风机、电动机小结.............................................................223.4 除尘器的选择..........................................
