Page 339 - Advances In Productive, Safe, and Responsible Coal Mining

Index 315

Continuous mining machines (CMMs), Deep cone paste thickener, 260
101–102, 105f Degasification system, 187–189, 191, 194
noise controls Delivered communication, 59
constraints, 240 Department of Energy, 303–304
jacketed tail roller, 238–239, 239f DES. See Discrete-event simulation (DES)
requirement, 240 Diesel oxidation catalysts (DOCs), 207
urethane-coated chain flights, Diesel particulate filters (DPFs),
238–240, 239f 202–203, 207
urethane-coated tail roller, Diesel particulate matter (DPM), 86
238–239, 239f characteristics, 200
noise-generating components, 235, 236f controlling DPM,in mines
noise source identification administrative controls, 208
chain-tail roller interaction, 237 curtailment before generation, 207
flight tip-flexplate interaction, 237 engineering controls, 207–208
flight-upper deck interaction, 237 point of generation (source), 207
NIOSH hemi-anechoic chamber, use of PPE, 209
overhead microphone array, 236, 236f diesel use in mining, 199
secondary sources, flexplate area, exposure measurements
237–238, 238f area sampling/mine air sampling
tail section area, 237, 237f technique, 203
in room-and-pillar operations, 235 breathing zone sampling technique, 203
Continuous personal dust monitors personal sampling technique, 203
(cPDMs), 117 real-time monitoring, 205–206
Conveyor belts, 88 shift average-based monitoring, 204–205
CORESafety, 1, 26, 306–307 health effects, 200–201
Courrie `res Mine Disaster, 31, 32f regulatory impact on
Coward’s triangle, 94 metal-nonmetal mines, 202
CPLEX, 76–77, 80 underground coal mines, 201–202
Cubic feet per minute (CFM), 84 US DPM regulations and PELs, 202–203
Cutting stock problem (CSP) Diesel-powered equipment, 199
coal recovery problem Discrete-event simulation (DES)
branch-and-price algorithm, 77, 80 production rate vs. panel width
CPLEX integer optimization solver, coal loading, hauling, and dumping
76–77, 80 operations, 65
dual-objective optimization model, entities, resources and processes, 65
77–80 input variables, feasible range
linear programming relaxation, Dantzig- determination of, 66
Wolfe decomposition of, 77 model verification, 66
optimization input data, 77, 78t production rates, estimation of, 66
optimization results, 77, 79t underground R&P coal mine
panel widths, 75–76 average cycle times, 72–74, 73–74f
one-dimensional problem, 74–75 CM time spent loading, 72–74, 73f
Cyanide, 295 CM travel time between cuts, 69f
duration of mining, 72–74, 73f
empty haulage unit travel speed, 68f
D 11-entry initial advance, cut sequence
Damping treatments, 224–225 for, 66–67, 67f
Darby Mine, 92 haulage unit dumping time, 68f
Darcy’s law, 184 haulage unit spotting time, 69f