采区通风系统设计说明书(4)

课程设计

3 采区巷道布置及基本参数 ····························································· 7 3.1 采区基本参数 ·········································································· 7 3.1.1 开采水平的确定 ····································································· 7 3.1.2 阶段的划分 ··········································································· 8 3.2 采区巷道布置 ·········································································· 8 3.3 采区车场 ················································································ 9 3.4 采区变电所布置 ····································································· 10 3.5 主要巷道断面积 ····································································· 10 3.5.1 轨道上山、皮带上山、回风上山 ·············································· 10 3.5.2 运输顺槽、回风顺槽、联络巷及斜巷 ········································ 10 3.6 各运输系统介绍 ····································································· 10 3.7 回采工艺 ·············································································· 11 3.7.1 工艺方式选择 ······································································· 11 3.7..2 回采工艺 ···············································&