| 摘要 |
Storing and recovering energy in the form of heat by using energy to be stored to heat a heat transfer liquid, flowing the heat transfer liquid through a bed of particulate material 103 to transfer heat from the heat transfer liquid to the particulate matter to store the energy in the form of heat; and extracting the stored heat by flowing gas through the bed of particulate matter. The liquid preferably flows down the bed with the gas flowing up from inlet 107 to outlet 108. The particles may be rock or mineral and the liquid may be oil which is flowed onto the bed by means of an irrigator 105 and collected from the bed by sump 106 so that it can be reheated by a source of energy to be stored. The energy to be stored may be provided by heating the liquid with a solar concentrator. |
