What is an economizer? 【Basic Knowledge】
Reducing boiler fuel with discarded waste heat? What is the mechanism of an economizer?
■What is an "Economizer" in the first place? An economizer is a device also referred to as a "coal-saving device" due to its historical use of coal as the main fuel. It is installed in the middle of the exhaust gas piping of a boiler. ■How does it reduce fuel consumption? It works by preheating the water supply to the boiler using the thermal energy from the exhaust gas. If the temperature of the water supply is already high from the start, less heat is required to raise it to the target temperature in the boiler itself, thereby reducing the amount of fuel used. ■Can the reuse of exhaust heat be applied beyond boilers? For example, exhaust gas generated at around 40°C in processes like compressors can also be used as a heat source for another process, leading to a reduction in fuel consumption. The economizer is a prime example of the concept of recovering waste heat by "using heat that was previously discarded." If you are facing issues with energy-saving in your equipment, please feel free to consult us first.
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