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Tool D3

Underground Mine Ventilation

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Underground Mine Ventilation Case Study 1

A deep-level gold mine in the Witwatersrand Basin, South Africa, operating at depths exceeding 3,200 m below surface. The mine comprises 14 active levels, 85 km of development and production drifts, and produces ~250,000 tonnes of ore per month. Ventilation demand driven by heat load (geothermal gradient >28°C/km), diesel emissions, and dust control.

Challenge: Maintaining statutory airflow (≥2.5 m/s) and temperature (<29°C WBGT) at the deepest working faces w...
INTAKE EXHAUST Stope A Stope B (Critical Path) Dev Hdg Reg Reg Booster SCADA Design Parameters: • Qreq = 285,000 m³/h • Ptotal = 4,280 Pa • Qdiesel = 192,000 m³/h Recirculation Risk Underground Mine Ventilation Case Study 1 — Critical Path Routing
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Underground Mine Ventilation Case Study 2