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3t h coffee shell natural circulation boiler Agent

boiler turndown ratio calculation – Industrial Boiler Supplier

2019/3/8 · Upgrade Boilers with Energy-Efficient Burners turndown ratio is the maximum inlet fuel or firing rate divided by the minimum firing rate. An efficient natural gas burner requires only 2% to 3% excess oxygen, or 10% to 15% excess air in the flue gas, to burn fuel without forming excessive carbon monoxide. The Importance of Turndown Ratio in

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