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Remote sealing system for extinguishing coal mine fires.
Coal mine fire and explosion prevention. Proceedings: Bureau of Mines technology transfer seminars, Pittsburgh, Pennsylvania, March 2, 1978 and Denver, Colorado, March 14, 1978. Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, IC 8768, 1978 Jan; :27-37
This paper describes a feasible remote sealing system that has evolved from the Bureau's sponsored research on the extinguishment of coal mine fires. The complete system includes (1) a sonar probe and close circuit television camera for initial probing of the mine entry to be sealed, (2) a fly ash or fly ash-cement system for constructing the seals, (3) a froth foam topping system for completing each seal, (4) a combustion-type inert gas generator for conveying the fly ash and inerting the sealed area, and (5) acoustical equipment for determining the completion and integrity of a seal. Design requirements are briefly summarized for the currently developed remote sealing system. In addition, field problems are reviewed from the performance of a prototype system that was used in a mine fire situation.
Coal mines; Mine fires; Fire prevention; Fire protection systems; Fire safety
IH; Conference/Symposia Proceedings
Coal mine fire and explosion prevention. Proceedings: Bureau of Mines technology transfer seminars, Pittsburgh, Pennsylvania, March 2, 1978 and Denver, Colorado, March 14, 1978
Page last reviewed: September 2, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division