STEAM POWER PLANT AND METHOD FOR CONVERTING AN EXISTING STEAM POWER PLANT

摘要

The invention relates to a steam power plant (2) comprising a steam generating unit (4) and a thermal energy store (6), the steam generating unit (4) having a fossil-fired boiler (22) with at least one hot air inlet (20). With a view to the most economical and efficient integration of the thermal energy store (6) in the steam power plant (2), the boiler (? 22) is operated with hot air from the energy store (6). For this purpose, the energy store (6) has an air inlet (12) and an air outlet (16), a hot air line (18) being connected to the air outlet (16) which opens into the at least one hot air inlet (20) of the boiler (22).