| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an exhaust gas recirculating system for boiler equipment, which enables optimum control of combustion corresponding to the kind of coal and enables reduction of NOx, improvement in controllability of a reheated steam temperature, reduction of corrosion of a furnace wall and reduction in sticking of a clinker. SOLUTION: A recirculation gas system 9 for recirculating part of exhaust gas exhausted from a boiler body 1 and an air system 11 for supplying part of air for combustion, are connected to the furnace bottom part of the boiler main body 1, so that they can be switched over.</p> |
