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Caption news on primary air rate of the boiler

Caption news on primary air rate of the boiler
In order to improve the combustion efficiency of the boiler, in a large boiler, the combustion air is not supplied all at once, but is supplied in two times, one is supplied with the fuel that controls the rate of combustion as well as the amount of fuel that can be burned, and the other is directly supplied to the combustion process that that improves combustion efficiency. The primary air rate of the boiler refers to the proportion of the primary air. If the total air volume is 100% and the primary air rate is 70%, the secondary air rate is 30%. -Jennifer Zhou, Product Manager, Wuxi Zozen Boilers Co. Ltd., China. Picture: Collected,  Source: Online/SZK

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