Page 88 - Advances In Productive, Safe, and Responsible Coal Mining
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Optimization of coal recovery and production rate as a function of panel dimensions 73
200 Fig. 5.11 Duration of mining.
150
Duration (h) 100
50
0
11 13 15 17 19 21
Number of entries
25.5 Fig. 5.12 CM time spent loading (LHS).
CM utilization (%) 24.5
25.0
24.0
23.5
23.0
11 13 15 17 19 21
Number of entries
25.5 Fig. 5.13 CM time spent loading
(RHS).
CM utilization (%) 24.5
25.0
24.0
23.5
23.0
11 13 15 17 19 21
Number of entries
10.60 Fig. 5.14 Average cycle times (LHS).
Cyle time (min) 10.50
10.40
10.30
10.20
11 13 15 17 19 21
Number of entries
