TWO STEP VORTEX PRESSURE INJECTION NOZZLE FOR OIL BURNER

摘要

PURPOSE: A two step vortex pressure injection nozzle for an oil burner is provided to reduce a nitrogen oxide generated when burning the liquid fuel. CONSTITUTION: A two step vortex pressure injection nozzle for an oil burner includes a disklike main mixing nozzle(10) wherein a protrusion part having a conic space is protruded, so that an inner injection hole(80) is formed in the upper part of the conic space, an inner vortex chamber(60) is formed in the lower part, an outer flame main fuel injection port(50) formed in the outer upper part of the inner vortex chamber is diagonally connected with an outer flame fuel inlet perforated in the front following the outer circumferential surface of the inner vortex chamber, and an inner flame main fuel injection port(40) formed in the outer lower part of the inner vortex chamber is diagonally connected with an inner flame fuel supply port; and a disklike supplementary nozzle(100) wherein a protrusion part having a conic space is protruded, so that an outer vortex chamber(110) is formed in the conic space, wherein the main protrusion part of the main mixing nozzle is inserted into the outer vortex chamber of the supplementary nozzle.