Boiler economizers are heat exchange devices with finned tubes that heat a liquid, sometimes water, up to however sometimes doesn't exceed the boiling purpose of liquid. Economizers are thus named as a result of they will utilize the total heat of the fluid flow is hot, however not hot enough to be employed in the boiler, so the total heat recovery is additional helpful and improve boiler potency. they are a tool fitted to a boiler that saves energy by victimisation exhaust gas from the boiler to heat the cold water accustomed fill it.
Modern boilers, like in coal power plants, still equipped with economizers that are descendants of the initial style of the inexperienced. during this context they are usually said because the feed hot-water tank and hot atmospheric phenomenon from the rotary engine before it's pumped-up to the boiler.
Economizers are generally used as a part of the warmth recovery steam generators in combined cycle station. within the HRSG, water passes through saver, boiler and superheater then later. It conjointly prevents flooding saver within the boiler with liquid water is simply too cold to boiling given rate and boiler style.
A typical application of economizers in steam powerplants to capture waste heat from boiler stack gases (exhaust gas) and transfer to the boiler feed water. This will increase the temperature of boiler feed water, lowering the desired energy input, successively reducing the extent needed for firing the boiler rated output. Economizers lower the stack temperature will cause condensation of combustion gases and acid corrosion serious instrumentation injury if care isn't taken within the style and material choice.
Key Words: Finned Tube, Fin Tubes, Extruded Fin Tubes, Embedded Fin Tube, L Fin tube, Tubos Aletados, Finned Tube Heat Exchanger
