Carbon dioxide supply and recovery device for supercritical carbon dioxide gas turbine and method for adjusting carbon dioxide filling amount

摘要

In this carbon dioxide supply and recovery device, a compressor and a turbine are connected by a flow path, and a regenerator, a heater, and a cooler are provided along the flow path, and the starting motor connected to the compressor and the turbine. A carbon dioxide supply and recovery device used in a closed cycle gas turbine using supercritical carbon dioxide as a working fluid, comprising a carbon dioxide recovery valve, a carbon dioxide supply valve, and a cooling / heating device. And a refrigerant tank.