High temp. reactor power plant with dry cooling tower - with further cooling by exchange with fresh water

摘要

Method of removing heat from an industrial plant, esp. a nuclear power plant, uses cooling water cooled in a dry cooling tower. After the cooling water has left the dry cooling tower to return to the plant, it is further cooled in a heat exchanger, in which the secondary cooling fluid is fresh water. This fresh water is pref. recooled in a wet cooling tower (17), which may be mounted coaxially inside the dry cooling tower. Used esp. for a high-temp. helium-cooled reactor driving helium turbines. The method can be used where only 10-30% of the fresh water required for full water cooling is available. It enables the gas turbine efficiency to be increased by 1-2%.