INNER AND OUTER FLAME MIXED TYPE MULTISTAGE BURNER IMPROVING TURN-DOWN RATIO AND PROPORTIONAL CONTROL PROPERTY

摘要

PURPOSE: An inner and outer flame mixed type multistage burner is provided to completely combust by mutually improving combustion effect with inner and outer flames and to prevent explosion ignition by firstly igniting a small inner burner and then igniting a large outer burner.;CONSTITUTION: An inner and outer flame mixed type multistage burner(100) comprises an outer burner(110), a first fuel supply device(120), an inner burner(130), a second fuel supply device(140), and an ignition device. The first fuel supply device supplies first air and fuel for fuel to the outer burner by mixing. The inner burner is arranged in the inner center of the outer burner and generates a flame to the outside. The second fuel supply device supplies the first air and the fuel for fuel to the inner burner by mixing. The ignition device ignites the fuel.;COPYRIGHT KIPO 2013