COMBUSTION CONTROL SYSTEM OF REFUSE INCINERATOR

PROBLEM TO BE SOLVED: To provide a combustion control system, in which amount of generated steam can be stably agreed with a target value in the control without changing the whole amount of combustion air to be supplied to the furnace. SOLUTION: The system is provided with a stoker and a duct. The stoker includes a plurality of zones, which is installed in the furnace bottom, and carries charged refuse to be burned from the inlet to the outlet. A duct supplies primary combustion air for regulating its amount through air-amount-control dampers from below for each zone. A boiler is provided to an outlet duct for combustion exhaust gas to generate steam by heat exchange. A flowmeter is provided in the system for detecting the amount of generated steam. Distribution ratio of the primary combustion air for each zone is regulated on the basis of a deviation of a detected amount of generated steam from the target value, thus, the generated steam amount can be controlled.