A BURNER FOR REDUCING POLLUTIONAL MATERIAL

摘要

A burner for reducing a pollutional material is provided to reduce generation of combustion gas at a high temperature by lowering the flame temperature through a cooling and re-burning function. A burner for reducing a pollutional material includes a housing(14), a combustor(16), an introduction hole(40), a first injection nozzle(18), and a second injection nozzle(20). The housing includes an unburned gas outlet pipe. The combustor forms an exhaust gas passage communicating the uncombusted bas outlet pipe and a combustion chamber. The introduction hole recirculates the combustion gas of the combustion chamber along the exhaust gas passage. The first injection nozzle injects the mixture of fuel and air through the introduction opening in the lengthwise direction of the combustor. The second injection nozzle injects the mixture of fuel and air supplied from the outside from a side of the combustor.