| 摘要 |
A compressed air storage system for storing compressed air provided by an air compressing system comprises an underground pressure tank (485) including a cavity (52) arranged in a borehole (51) made in the ground at a predetermined depth, an inflatable elastic balloon (53) arranged in the cavity (52) and configured for storing the compressed air, said inflatable elastic balloon (53) having a balloon port (530) for providing access to an inner volume of the inflatable elastic balloon (53); an air valve (60) configured to switch the compressed the air storage system from a filling up mode to a discharging mode. |
