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4 221采区通风系统阻力分布状况

Table 4 Resistance distribution of ventilation system in 221 mining area

区段 点号划分 阻力/Pa 占总阻力百分比/% 合计 3 091.21 100.00 进风段 14-15-…-25-26 1 043.84 33.77 用风段 27-28-29-30-31 205.02 6.63 回风段 32-33-…-37-38 1 842.35 59.60