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Coal Mine Ventilation

Coal Mine Ventilation. Ventilating The Face Area. Purpose of Ventilation. Dilute, render harmless and carry off accumulations of dangerous gasses and dust from the mines. Supply fresh or uncontaminated air to persons working in the mine. The Ventilation Current .

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Coal Mine Ventilation

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  1. Coal Mine Ventilation Ventilating The Face Area

  2. Purpose of Ventilation Dilute, render harmless and carry off accumulations of dangerous gasses and dust from the mines. Supply fresh or uncontaminated air to persons working in the mine.

  3. The Ventilation Current • The Body of Air which is moved through a mine. • Intake and Return

  4. Ventilating Pressure • Air, like any fluid body, will always move from a point of High Pressure to a point of Low Pressure.

  5. Diagram of Main Fan at a Shaft Automatic Doors Explosion Door or Weak Wall Fan Impeller 15' Overburden Shaft Mine Entry

  6. DIRECTION OF AIRFLOW INTAKE AIR

  7. DIRECTION OF AIRFLOW RETURN AIR

  8. PERMANENT STOPPING

  9. TEMPORARY STOPPING

  10. CHECK CURTAIN

  11. LINE CURTAIN

  12. OVERCAST Over Return Air Under Intake Air

  13. REGULATOR

  14. C C C R R

  15. Longwall Ventilation

  16. R R R c c c R R R R R R R

  17. Multi-Section Ventilation

  18. c c c R R R R c R c c c c c

  19. END

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