Table 14 The parameter indexes and capacity planning results for each mining district of the recommended Plan 3.
From: Research on production capacity planning method of open-pit coal mine
Mining district | 3rd mining district | 4th mining district | 5th mining district | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Region | Region No.3 | Region No.1 | Region No.2 | Region No.4 | ||||||||||
Coal seam | B | 12 | 21 | 31 | 12 | 31 | 12 | 21 | 31 | B | 12 | 21 | 31 | |
Average thickness (m) | Single | 1.81 | 24.18 | 7.09 | 8.76 | 18.69 | 10.25 | 20.65 | 4.06 | 8.87 | 1.57 | 11.83 | 6.85 | 8.65 |
Total | 41.84 | 28.94 | 33.58 | 28.90 | ||||||||||
Working face length (m) | 1500–2000 | 1500–2900 | 1800–1900 | 1600–1800 | ||||||||||
Annual advancing speed (m/a) | 310–400 | 350–400 | 300–400 | 325–400 | ||||||||||
Production capacity (Mt/a) | 30–35 | 20–31 | 24–33 | 20–27 | ||||||||||
