Process Safety and Environmental Protection: Transactions of the Institution of Chemical Engineers, Part B
Process Safety and Environmental Protection: Transactions of the Institution of Chemical Engineers, Part B
5 years ago

Flow characteristic investigation of inhibition foam used for fire extinguishment in the underground goaf

Flow characteristic investigation of inhibition foam used for fire extinguishment in the underground goaf
Goaf fires are prevalent in underground coal mines and have drawn increasing public attention. Inhibition foam is recognized as an efficient means of fire extinguishment in a huge volume of porous material. A verisimilar goaf platform setup and a foam preparation system were developed. Experimental results show that increasing the gas/liquid ratio improves the foam stack effect. The optimum gas/liquid ratio and the ratio of infusion pipe length and cooling zone length are suggested for a practical application. The goaf interior pressure test indicates that the air leakage is controlled effectively by the inhibition foam. A perforated pipe will be superior to the standard one for a practical application due to its better diffusivity and lower infusion pressure.

Publisher URL: www.sciencedirect.com/science

DOI: S0957582018300375

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