Environmental Engineering Reference
In-Depth Information
Figure 7.7
Solar tower power plant with open air receiver.
inside of the receiver. This so-called volumetric effect reduces radiant heat losses.
The air, which is heated to temperatures between 650 °C and 850 °C, enters a waste-
heat boiler that vaporizes and overheats the water, thereby driving a steam turbine
cycle. If required, this variant of power plant can be fi red over a channel burner
using other fuels.
A more advanced version of the tower concept that uses a pressure receiver is now
offering promising possibilities for the future (Figure 7.8). With this concept, the
Figure 7.8
Solar tower power plant with pressurized air receiver.
