某发电机房降噪工程的设计1某发电机房降噪工程的设计设计者：伍家琪班级：环工121班学号：201210614130指导老师：明彩兵刘晖设计时间：2015.07.05~2015.07.08某发电机房降噪工程的设计2目录一．前言............................................................41设计任务..........................................................41.1设计概况.....................................................42设计标准与依据与指导原则..........................................42.1设计标准与依据...............................................52.2设计指导原则.................................................53.治理目标..........................................................51发电机房间各功能区的设计..........................................61.1发电机房间各功能区的设计....................................61.2发电机房各功能区的布置原则...................................61.2.1发电机的布置原则.......................................61.2.2进风口、排风口的布置原则...............................61.3排风室的布置原则.........................................61.2.4油箱室的布置原则.......................................61.2.5油烟净化室的布置原则...................................61.2.6操作控制室的布置原则...................................61.2.7各部分尺寸的确定.......................................71.2.8其它构件的尺寸.........................................72降噪的处理措施....................................................82.1噪声源的分析、环境标准以及降噪措施...........................82.1.1噪声源的分析...........................................82.1.2环境标准...............................................82.1.3降噪措施...............................................82.2吸声的方法..................................................82.2.1吸声材料的选择.........................................82.2.2吸声的计算.............................................92.3隔声的处理...................................................92.3.1隔声墙的选择...........................................9某发电机房降噪工程的设计32.3.2隔声门的选择..........................................102.3.3隔声窗的选择..........................................102.3.4组合构件的隔声量的设计................................102.4房间内插入损失的计算........................................113通风方面的设计...................................................113.1风量的估算..................................................113.2轴流风机的设计..............................................113.3进气消声器的设计............................................123.3.1尺寸的计算............................................123.3.2吸声棉的安装..........................................123.3.3进气消声器长度的计算..................................133.3.4校核此时的气流速度....................................133.3.5校核高频失效效率......................................133.3.6消声器与发电机组位置的调整............................143.4排气消声器的设计............................................153.4.1消声弯头的计算........................................153.4.2排气消声器尺寸的计算及吸声棉的布置....................163.4.4排气消声器高度的计算..................................163.4.5校核气流速度..........................................163.4.6校核高频失效频率......................................173.5排烟消声器（油烟净化器）的设计..............................174隔振的设计...........................
