A refuge chamber is an important piece of safety/rescue equipment with functions such as providing oxygen, explosion protection, and detoxification, anti-vibration, cooling, and dehumidification in an underground coal mine.
Number of persons protected: 40-100
Rated protection time:> 96 h
Chamber temperature: ≤35° C
Chamber relative humidity: ≤85%
Air quantity volume per person: ≥0.3m3/min
Oxygen concentration: 18.5-23.0%
Pressure relief rate:≤350±20Pa/h
Inside the chamber: CO2< 1%, CO < 24ppm.