| 摘要 |
The invention relates to a system for accumulating heat energy in the ground via a suitable number of heat exchanging pipes. Said heat exchanging pipes consist of an outer mantle or steel pipe 5 in which firstly a helical first smaller tube 33 extending though the steel pipe, and secondly a second, centrally extending smaller tube 34 which is connected with the first one at the bottom of the steel pipe are inserted. By means of this pipe construction an even, moderate temperature can be obtained for a heat-carrying medium fed to a heat pump when discharging a ground body accumulator. <IMAGE> |
