焦家寨煤矿通风系统阻力测定与分析

朱旭东,鲁忠良

Measurement and Analysis of Resistance in Ventilation System of Jiaojiazhai Coal Mine

Xudong ZHU,Zhongliang LU

表5 521采区通风系统阻力分布状况

Table 5 Resistance distribution of ventilation system in 521 mining area

区段 点号划分 阻力/Pa 占总阻力百分比/% 合计 5 366.90 100.00 进风段 1-2-4-5-39-40-41-42 2 395.78 44.64 用风段 43-44-45-46-47 646.44 12.04 回风段 48-49-…-54-55 2 324.64 43.31