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Home Service FAQs Boiler basics What are the measures to deal with the high exhaust temperature of the boiler?

What are the measures to deal with the high exhaust temperature of the boiler?

04 Mar 2022

Economizer

Increase the heat exchange area of the boiler economizer. For example, adopting the economizer whose actual internal area is 1-2 times larger than the ordinary can effectively reduce the flow rate of flue gas, improve the heat exchange efficiency and lower the exhaust gas temperature.

Air preheater

An air preheater is installed with the connected pipe behind the economizer, which can effectively increase the air temperature for supporting the combustion, improve the fuel ignition conditions and make the boiler combustion better.

Condenser

The condenser is usually installed next to the economizer. Before being exhausted from the boiler, the flue gas first passes the condenser. The latent heat in the high-temperature flue gas releases heat under the condensation work and the heat released will be put into use again by the boiler. In this way, the exhaust gas temperature will decrease and the boiler thermal efficiency will increase.

Two-way combustion system adjustment

The boiler design specifications have a certain adaptability to the fuel, and different media have different influences on the outside during the combustion process. Adjusting and coordinating the economizer and air preheater can control the boiler exhaust gas temperature within a certain range, which can sufficiently utilize the heat energy and ensure the integrity of the equipment structure and function.

 

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