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|Economisers
Economisers is a custom designed & engineered for total

With the typical elevated operating temperatures associated with thermal oil systems, it can be difficult to obtain high efficiencies in the heater alone. MEW offers a wide variety of economizers to fit your process requirements, increase your thermal efficiencies, and lower your operating costs.

  • Common Waste Heat Consumers
  • Combustion Air Pre-heat
  • Boiler Feed water
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Faqs Of Economisers

What is a boiler economiser? + A boiler economiser is a heat exchanger that heats feedwater before it enters the boiler steam drum, using thermal energy recovered from hot flue gases.
How much efficiency does an economiser add to a boiler? + Generally, every 6°C rise in feedwater temperature through an economiser saves about 1% of fuel and improves overall boiler efficiency.
What are the main benefits of using an economiser? + It reduces fuel consumption, lowers thermal shock to boiler drums, reduces exhaust gas temperatures, and helps lower greenhouse gas emissions.
What causes corrosion in boiler economisers? + Internal corrosion is caused by dissolved oxygen in feedwater, while external corrosion is caused by sulfuric acid condensation from flue gases (cold-end corrosion).
What industries install boiler economisers? + Process industries like textiles, chemicals, food processing, sugar mills, paper mills, and power generation facilities using steam boilers.