Thermal Connection Of A Geothermal Source To A District Heating Network

摘要

A method and system for providing heat for a district heating supply are provided. Heat at a first temperature level is provided by a thermal water conveying system from a geothermal source. By operating a high-temperature heat pump and thermally connecting the same to the geothermal source, the thermal water can be conducted through the evaporator of the high-temperature heat pump and the heat thereof can be transferred to the evaporator of the high-temperature heat pump. The condenser of the high-temperature heat pump then supplies heat at a second, higher temperature level to the district heating network. A high-temperature compression heat pump may be used as the high-temperature heat pump. The second, higher temperature level achieved in this manner may be above 100° C.

主权项

1. A method for providing heat a district heating supply, comprising:
extracting thermal water from a geothermal source, operating a high-temperature heat pump, thermally connecting the geothermal source to the high-temperature heat pump, conducting the thermal water through a heat exchanger which transmits heat to a heat transporting medium, thereby providing a heated heat transporting medium, passing a first flow of the heated heat transporting medium to an evaporator of the high-temperature heat pump, thermally transmitting heat at a first temperature level from the heated heat transporting medium passed to the evaporator of the high-temperature heat pump, passing a second flow of the heated heat transporting medium to a condenser of the high-temperature heat pump, and thermally transmitting heat at a second temperature level higher than the first temperature level and at least 100° C. via the condenser to the second flow of heated heat transporting medium passed to the condenser.