Page 257 - Boiler plant and distribution system optimization manual
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242 Boiler Plant and Distribution System Optimization Manual
Figure 12.16—gas-gas plate heat exchanger.
Figure 12.17—Outline of rotary air heater.
end corrosion problems.
To avoid corrosion, it is necessary to limit the
Figure 12.15—Design of a heat pipe.
air temperature entering the heat exchanger to a
minimum value. This can be achieved by:
a. recirculating some of the air from the pre-
heater outlet back to the inlet.
