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Why can a staged air supply in a heating furnace reduce NO levels? What principle

2011-03-24View Original

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Why can a staged air supply in a heating furnace reduce NO levels? What principle
Reply #22011-03-24
The formation of NOx is primarily related to the combustion temperature; the higher the temperature, the more NOx is generated. Staged air distribution is primarily intended to prevent incomplete combustion of the fuel during the initial air supply, thereby preventing an increase in combustion temperature and reducing the amount of NOx generated.
Reply #32011-03-24
Currently, there are low-NOx burners with three levels of air supply

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