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Feedwater heater / for gas-fired power plants
These feedwater heaters manufactured by Alstom are utilized for gas power plants. These heaters are essential as these can improve thermodynamic efficency while providing minimal fuel consumption and hazardous emission. They are specifically designed for warm and cold start-ups with a minimal shutdown and start up duration.These are offered in two fundamental types of heaters namely, Low pressure feedwater heaters and High pressure feedwater heaters. The low pressure heaters are mounted between the main condensate pumps and the boiler feedwater pumps. These also comprise of a U-Tube bundle heat exchanger attached in a tube sheet and surrounded by a steam shell.
On the other hand, High pressure heaters are mounted between the boiler feedwater pump and the boiler. These provides good thermal conductivity as well as good mechanical properties at high temperatures.