城建学院《燃气输配》课程设计目录设计任务 3一、燃气的性质计算 41.1 燃气成分 41.2 燃气成分的基本性质 41.3 燃气质量要求 9二、燃气需用量与供需平衡............................................................................102.1 设计原始资料.........................................................................................102.2 用户类型与供气原则...............................................................................102.3 城镇用气量..........................................................................................11 2.4 小时计算流量.........................................................................................122.5 供需平衡...............................................................................................12三、燃气输配系统的设计................................................................................133.1 燃气输配系统的组成...............................................................................133.2 燃气管网的分类与选择..........................................................133.3 布线依据.................................................................................................................153.4 中压管道布置.........................................................................................153.5 低压管网的平面布置...............................................................................163.6 管道纵断面布置......................................................................................173.7 小区管道布置容......................................................................................18四、燃气管道水力计算与压降的确定..............................................................204.1 低压管网水力计算..................................................................................204.2 中压管网水力计算..................................................................................23五、室燃气管道设计..............................................................