Silent direct-discharge air duct structure and integrated cooker thereof

The invention provides a silent direct-discharge air duct structure and an integrated cooker thereof, and belongs to the technical field of cooking fume treatment. The silent direct-discharge air duct structure comprises an air bellow and a volute, the air bellow is provided with a gas inlet and a gas outlet, the volute is fixed in the air bellow, an air outlet of the volute is connected with the gas outlet, and a first oil leakage hole is formed in the lowest position of the volute. The silent direct-discharge air duct structure further comprises a shell, a chamber is formed in the shell, an inlet communicating with the chamber is formed in the upper portion of the shell, and the inlet is connected with the first oil leakage hole. An outlet communicating with the chamber is formed in the lower portion of the shell, speed reduction plates are arranged on the two sides in the chamber in the width direction in a staggered manner, and the speed reduction plates divide the chamber into non-straight flow guide cha