Patent ID: 8601957
Filing Date: 2013-12-10
Classification: F23K,F23N,G01F,Y02E

Abstract:
1. A device for controlling, a fuel-air-ratio during combustion of ground coal in a firing system of a coal-fired power plant, comprising pneumatic transporting of the ground coal to a burners of the coal-fixed power plant, a feeder for feeding combustion air to the burners ( a fresh air blower ( a mill blower ( a regenerative air pre-heater ( an air quantity control device for controlling the quantity of combustion air to be used for the pneumatic transport of the ground coal, and measurement devices ( the fresh air blower, the mill blower, the regenerative air pre-heater, the air quantity control device are arranged in the flow direction of the air, and wherein, for measuring the combustion air ( wherein the sensors are arranged in the channel system carrying the combustion air after the regenerative air pre-heater (