JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives

To introduce causes of mine fires, advances in more lighten technology,

explosion causes of, mine inundation etc.

Course Outcomes

Student can get through knowledge on various issues of mine

environmental engineering including assessment and control of hazard due to mine fires, inundations, mine dust etc and can be able to apply the concepts of hazard control measures in the real world mining problems in future.

UNIT - I

Spontaneous Combustion: Various theories, factors, various indices for determination of susceptive of coal to spontaneous heating, control measures. Mine Fires: Survey of various causes of mine fires with statistical data of Indian mines, various methods adopted to combat fires and the its advantages and disadvantages.

UNIT - II

Advances in fire fighting techniques and equipments, rescue operations in fire zones. Reopening of Selected off areas; Factors to be considered, methods, precautions. Reopening of sealed-off areas: Factors to be considered, methods, precautions. Mine Explosions: Causes of firedamp explosion with statistical data of Indian mines, preventive measures against firedamp explosion.

UNIT - III

Production, assessment and control of mine dust and associated hazards. Causes of coal dust explosion with statistical data of Indian mines, preventive measures against coal dust explosion.

UNIT - IV

Mine Inundation: Causes of inundation with statistical data of Indian mines. Precaution to be taken while approaching old workings, preventive measures of inundation. Noise and Vibrations: Causes and measurement of noise levels. Precautions, prevention and reduction of noise levels. Environmental aspects of blast induced vibration and noise.

UNIT - V

Mine illumination: Its effects on safety and efficiency, illumination standard, common types of flame safety lamps, their use and limitations, electric-hand and cap lamp, their maintenance and examination, lamp room design and organization. Illumination arrangement of opencast and underground working. Rescue and recovery work, equipment, short distance apparatus. Self contained oxygen- breathing apparatus. Rescue stations, principles of risk management.

TEXT / REFERENCE BOOKS:

• 1. Mine Fires, Explosion, Rescue, Recovery and Inundation – M.A. Ramulu.
• 2. Fires in Coal Mines – Kaku
• 3. Mine Environment & Ventilation – G.B. Misra.