Boiler Smoke Gas Thermal Recovery Unit

The Boiler Smoke Gas Thermal Recovery Unit performs deep heat recovery from boiler exhaust gases. The flue gas first passes through an economizer and then through a condenser. After these two stages of recovery, the flue gas temperature is reduced to below 90℃. The overall boiler efficiency can be improved by 5 to 15 percentage points, significantly reducing coal consumption. The equipment helps lower fuel costs and improve energy efficiency.

The flue gas inlet temperature ranges from 180℃ to 250℃. The outlet temperature is reduced to below 90℃. The overall waste heat recovery efficiency exceeds 90%. Boiler efficiency can be improved by 5% to 15%.

The recovered heat is used for boiler feedwater heating or hot water production. The system adopts a two-stage recovery design consisting of an economizer and a condenser. The hot water outlet temperature ranges from 60℃ to 80℃. Anti-corrosion materials such as ND steel or fluoroplastic are used. The Boiler Smoke Gas Thermal Recovery Unit delivers strong energy-saving performance and high return on investment.

The key feature of this system is its two-stage recovery design. The economizer recovers sensible heat, while the condenser recovers latent heat from flue gas. In contrast, conventional systems typically use only a single-stage recovery process, with flue gas temperatures reduced only to around 120℃.

Our system reduces flue gas temperature to below 90℃, allowing significantly more heat to be recovered and directly converted into fuel savings.

We have been in business since 1996 and have extensive experience in boiler energy-saving systems. Our solutions have been widely applied in mine boilers and industrial boiler systems. The typical payback period is usually less than two years. The Boiler Smoke Gas Thermal Recovery Unit is a highly efficient and economically sound investment.

• This system comes with a 12-month warranty. We provide boiler efficiency evaluation services-simply send us your boiler parameters, and we will calculate the potential energy savings.
• Custom solutions are available based on boiler model and fuel type. After-sales support includes remote commissioning guidance.
• The system uses corrosion-resistant materials, so acid corrosion risks are minimized. If any corrosion-related issues occur during the warranty period, we will provide repair or replacement support.

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