目录前言...................................................11概述...................................................21.1项目名称、建设单位、设计单位....................................................................................21.2自然情况............................................................................................................................21.3项目建设的必要性............................................................................................................42、编制依据及原则.........................................62.1编制依据.............................................................................................................................62.2编制应遵循的规范、标准.................................................................................................62.3编制原则............................................................................................................................83、气源选择..............................................103.1气源种类选择..................................................................................................................103.2生产工艺简介..................................................................................................................113.3原料来源及运输方式.....................................................................................................124、工程概况..............................................144.1、气源厂..........................................................................................................................144.2液化石油气输送管道.....................................................................................................154.3管网系统........................................................................................................................154.4建设期..............................................................................................................................155、混合气性质及用气量....................................175.1LPG-AIR混合气性质......................................................................................................175.2用气不均匀系数的确定..................................................................................................185.3居民用户的耗热定额......................................................................................................195.4商业和工业用户..............................................................................................................195.5其他用气量......................................................................................................................205.6气量统计..........................................................................................................................206、混气方案的比较和选择..................................226.1低压引射式混气：.........................................................................................................226.2高压比例式混气：.........................................................................................................226.3引射助推式混气：.........................................................................................................236.4混气工艺选择....................................................................
