The utility model discloses a cement kiln oxygen -enriched combustor that deals with useless admittedly, include multiple fuel injector and the fuel delivery pipe way of being connected with multiple fuel injector, the pipe connection has the frequency conversion fan, wherein, fuel delivery pipe says and surrounds the structure for the multilayer that the central core is granule pipeline useless admittedly, at granule pipeline outer loop useless admittedly around there being oxygen pipeline, at oxygen pipeline outer loop around there being whirlwind pipeline, at whirlwind pipeline outer loop around there being buggy pipeline, at buggy pipeline outer loop around there being axial compressor wind pipeline, end face centre is a granule ejiction opening useless admittedly before the combustor, and it has a plurality of oxygen nozzle to encircle granule ejiction opening evenly distributed useless admittedly, and it has a plurality of whirlwind nozzles to encircle a plurality of oxygen nozzle evenly distributed, and whirlwind nozzle along circumference slope makes its spun wind mix granule useless admittedly and oxygen intensive mixing, and it is annular buggy spouts to encircle a plurality of whirlwind nozzles, and it has axial compressor wind nozzle a plurality of and axial compressor wind pipeline intercommunication to encircle annular buggy spout.