OXYGEN COMBUSTION BOILER SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide an oxygen combustion boiler system capable of surely recirculating without flowing back a combustion exhaust gas to an air inlet when transferring from air combustion to oxygen combustion while avoiding cooling down of an induced draft fan.

SOLUTION: The oxygen combustion boiler system includes an exhaust gas recirculation means 9 in which part of the combustion exhaust gas is guided from a combustion exhaust gas line 5 at the discharge side of the induced draft fan 7 to a gas supply line 2 for combustion.

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