on July 31, a collapse accident occurred in the tunnel construction section of the compressed air energy storage project in Zhuozi County, Wulanchabu City, which was constructed by the 15th Bureau of China Railway. Up to now, the accident has caused 4 deaths and 6 injuries. According to
public data, the total investment of Ulanchabu compressed air energy storage project is 9.267 billion yuan, the installed capacity is 1050 MW/6300 MWh, and the energy conversion efficiency has exceeded 65% by adopting advanced new non-supplementary compressed air energy storage technology . It is also the largest installed capacity artificial chamber energy storage project in the world.
The frontier energy storage scheme of "deep space + artificial chamber" needs to excavate an artificial gas storage chamber with a total volume of nearly one million cubic meters in the underground rock stratum of more than 100 meters.
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