Exhaust ventilation of deep cuts using a continuous-mining machine
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Exhaust ventilation of deep cuts using a continuous-mining machine

Filetype[PDF-1.08 MB]


  • English
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    Details:

    • Personal Author:
      Volkwein, J. C. (Jon C.)
    • Corporate Authors:
      United States. Bureau of Mines.
    • Description:
      "The Bureau of Mines, Foster-Miller, Inc., and Beaver Creek Coal Company have evaluated the ability of a new system to ventilate a 40-ft-deep cut. A remote-control continuous-mining machine, in a 7-ft-thick seam, with exhausting brattice was fitted with an improved sprayfan system plus additional forward and reverse pointing sprays. Static and dynamic tests using tracer gas were conducted in a full-scale model and underground to measure the effectiveness of exhaust face ventilation for various deep-cutting mine and spray configurations. When compared to a 10-ft primary ventilation brattice, the extended- cut spray system consistently provided better face ventilation at all configurations up to and including a 40-ft brattice setback. The system also provided good dust protection and visibility for the machine operator. Another safety advantage is the elimination of the need to set temporary roof supports to maintain the ventilation brattice." - NIOSHTIC-2

      NIOSHTIC no. 10004814

    • Subject:
    • Series:
      Report of investigations (United States. Bureau of Mines) ; 8892
    • Document Type:
      Report
    • Place as Subject:
      Utah
    • Collection(s):
      National Institute for Occupational Safety and Health
    • Main Document Checksum:
    • File Type:

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