Abstract
This study introduces the current situations of the research on the refuge chamber at home and abroad. Aiming at disasters prevented and environment for refuge chamber, it deals with the chamber's protection and positioning, notes for selection of chamber sites, reference sizes and requirements of strength and impermeability. Some designs for survival system in the refuge chamber are structured, including multistage oxygen supply, air cleaning system, temperature and humidity control system, dynamical system, monitoring and communication system, etc.
Highlights
Many mining accidents, casualties and losses are quite severe problems that China should face all the time in mine safety control (Wang, 2006)
In order to maintain mine operating personnel’s life safety and health and safeguard coal mine safety in production, it is very urgent and necessary to carry out six systems of underground safety self-rescue, namely, perfect monitoring, personnel positioning, emergency hedging, compressed air self rescue, water supply for
Ice storage refrigeration: Store the refrigeration capacity needed by air conditioner into ice at ordinary times
Summary
Casualties and losses are quite severe problems that China should face all the time in mine safety control (Wang, 2006). The safe confined space can be applied for emergency refuge of the trapped people in dangerous environments in larger scope By this way, it can guarantee life safety and gain enough relief time. The emergency refuge chamber is the confined space set in dangerous working area of coalmine underground and is generally built by excavating laneroad wall. It is airtight and can withstand the impact of external forces to great extent. There are two types of emergency refuge chambers in main coal mining countries (Wang et al, 2010), Fig. 1 is Arrangement of permanent refuge chamber It is excavated in either side of a laneway or coal bed near mine working surface and supplied with oxygen to some extent for refuge chamber by such equipment as oxygen cylinder. Bring forward the key technology link of the refuge chamber and provide technical support for the life safety of coal miners undermine
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