Patent ID: 9599340
Date: 2017-03-21
CPC Classifications: F23K,F23N,G01F,Y02T

Claim:
1. A method for operating a coal-fired power station with a device for controlling the air-fuel ratio in the combustion of ground coal, which the coal-fired power station comprising pneumatic conveyance of the ground coal to burners ( 16 ) of the coal-fired power station as well as a combustion air supply for conveying combustion air to the burners ( 16 ) or into a combustion chamber ( 15 ) of the coal-fired power station providing the steps of: providing a combustion air volume measurement and a carrier air volume measurement which are performed based on evaluation of signals generated by sensors ( providing at least a portion of the airflow in the flow cross-section of the channel carrying the air upstream of the sensors which is exposed to an effect of an electrode (