Current situation and development trend of environmental control technology in mine refuge chamber

The research is based on the current status of environmental control technology in mine refuge chamber at home and abroad. The provisions for environmental control in refuge chamber at home and abroad were compared and the limits of environmental control parameters were discussed. From the perspective of construction cost and personnel safety, the shortcomings of the current control technology of air quality and temperature in the refuge chamber were analyzed. The future research direction of the environment control technology for the refuge chamber is pointed out: ①to establish allowable range of reasonable environmental parameters; ②the synergistic effect of multiple control technologies of CO concentration based on mine compressured air; ③the passive chemical adsorption technology of CO ₂; ④the research on multiple compound temperature control technology.