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1.原始资料和计算条件1.1坑内运输量(1)矿石年运输量:26.4万t(2)岩石年运输量:7.9万t(3)炸药年运输量:19.2 t(4)木材年运输量:25m~3(5)钢材年运输量:42 t(6)混凝土年运输量:114 m~3(2)矿石松散系数:k1=1.43(3)矿石松散体重:r1’=1.83 t/m~3(4)岩石体重:r2=2.63 t/m~3(5)岩石松散系数:k2=1.43(6)岩石松散体重:r2’=1.83 t/m~3(7)矿岩最大块度:350 mm2.运输设备选型根据以上条件,坑内运输采用架线式电
1. Raw data and calculation conditions 1.1 Pit transportation volume (1) Annual ore transportation volume: 264,000 t (2) Rock annual transportation volume: 79,000 t (3) Explosive annual transportation volume: 19.2 t (4) Annual timber transportation volume : 25m ~ 3 (5) Steel annual transportation capacity: 42t (6) Concrete annual transportation capacity: 114m ~ 3 (2) Ore loose coefficient: k1 = 1.43 (3) Ore loose weight: r1 ’= 1.83 t / m ~ (4) rock weight: r2 = 2.63 t / m ~ 3 rock loose coefficient: k2 = 1.43 (6) rock mass: r2 ’= 1.83 t / m ~ 3 : 350 mm2. Selection of transportation equipment According to the above conditions, the pit transportation uses overhead power