Independent three-air-flue upper air inlet burner

The utility model discloses an upper air inlet burner with three independent air passages, which is characterized in that a burner positioning seat is mounted on a bottom shell of a stove and is provided with a nozzle mounting seat; the burner main body comprises a rotary mounting part, a gas distribution disc and an injection pipeline; the rotary mounting part is rotatably mounted on the nozzle mounting seat; when the gas distribution disc is close to the cooker panel, the gas inlet end of the injection pipeline can be aligned with the gas nozzle; the gas distribution disc can be provided with a fire cover, and a gas mixing cavity is defined. The ignition seat and the nozzle mounting seat are arranged at an interval and can extend out of the upper part of the stove panel; the ignition seat is provided with an ignition needle and a flameout protection needle. According to the burner, the injection pipe is of an independent air channel structure separated from the nozzle mounting base, the injection pipe and t