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Control of Airborne Respirable Dust Hazards: A Training Program for Underground Coal Miners

Control of Airborne Respirable Dust Hazards: A Training Program for Underground Coal Miners. Penn State. The Penn State Miner Training Program University Park, PA 16802 Raja V. Ramani, Ph.D., P.E, C.M.S.P. Mark C. Radomsky, Ph.D. MPA, C.M.S.P. Joseph P. Flick, M.S., C.M.S.P.

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Control of Airborne Respirable Dust Hazards: A Training Program for Underground Coal Miners

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  1. Control of Airborne Respirable Dust Hazards:A Training Program for Underground Coal Miners Penn State The Penn State Miner Training Program University Park, PA 16802 Raja V. Ramani, Ph.D., P.E, C.M.S.P. Mark C. Radomsky, Ph.D. MPA, C.M.S.P. Joseph P. Flick, M.S., C.M.S.P. March 31, 2003

  2. CENTERS FOR DISEASECONTROL AND PREVENTION NATIONAL INSTITUTE FOR OCUPATIONAL SAFETY AND HEALTH GENERIC MINERAL TECHNOLOGY CENTER ON RESPIRABLE DUST PENNSYLVANIA BUREAU OF DEEP MINE SAFETY

  3. RESPIRABLE DUSTTRAINING PROGRAM Section 9 CONTINUOUS MINING DUST CONTROL

  4. Aspects of Dust Control in Continuous Mining • Continuous Miner Dust Control – Miner design • Continuous Miner Dust Control – Sprays • Spray Fan Application • Machine-mounted Scrubber • Modified Cutting Cycle • Roof Bolter Dust Control • Ventilation Controls – Single split, double split and auxiliary ventilation schemes • Other Sources – Conveyors, reentrainment • Other Methods – Water infusion, foam application

  5. Spray System for a Remotely Controlled Continuous Miner With Integral Bolters

  6. Changing Bits

  7. Water Sprays in a Continuous Miner Operation

  8. Machine-Mounted Scrubber in a Continuous Miner

  9. Scrubber Unit

  10. Scrubber Location on Miner

  11. Remotely Controlled Scrubber Miner

  12. Intake and Return Operator Location for a Remotely Controlled Scrubber Miner

  13. Spray Fan System

  14. Anti-Rollback Water Spray System

  15. Spray System on a Continuous Miner

  16. Face Ventilation Schemes with Brattice, and Auxiliary Fans • Exhausting brattice system • Blowing brattice system • Exhausting auxiliary fan system • Blowing auxiliary fan system

  17. A Modified Cutting Cycle for Reduced Dust Generation

  18. Shank Versus Dust Hog Type Bits

  19. Dust Generation of Shank Bit Versus Dust Hog Bit

  20. Water Infusion in a Room-Pillar Mine

  21. Room and Pillar Water Infusion System

  22. Cleaning Dust Accumulations

  23. Poor Practice of Cleaning Dust Accumulations

  24. Poor Practice of Cleaning Dust Accumulations

  25. Float Dust

  26. Proceed to Section 10 Dust Control Plan

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