Geothermal exchanger, liquid transport pipe, liquid rising pipe, geothermal power generation facility, and geothermal power generation method

摘要

To provide a highly heat-efficient geothermal exchanger that can reduce the loss of heat from non-geotropics when hot water heated in the deep underground is transported to the ground. The geothermal heat exchanger (100) of the present invention is disposed on the inside or outside of the liquid descending pipe (11) to which a pressurized heat exchanging liquid is supplied and the liquid descending pipe (11). A liquid riser pipe (12) for moving the heat exchange liquid that has been lowered to below from the bottom, and raising the heat exchange liquid made of hot water generated by supplying heat from the geotrophic state without containing steam. And an outer heat insulating layer (30) outside or part of the liquid transport pipe (10) from the surface side to the geotropics. It is characterized by that.