Centrifugal induced draft fan

The utility model discloses a centrifugal induced draft fan. Including a base, supporting plates are fixedly connected to two sides of the upper end of the base; a shell is fixedly connected between the two supporting plates at the upper end of the base; the upper ends of the supporting plates are fixedly connected with the shell; the shell is provided with a first air chamber and a second air chamber; one side wall of the shell is fixedly connected with a plurality of protection tubes; the plurality of protection tubes are provided with protection nets; one side of the upper end of the base close to the shell is fixedly connected with supporting blocks; the upper end of the supporting block is fixedly connected with a servo motor; the servo motor penetrates through the first air chamber in the machine shell and is fixedly connected with the first impeller. The beneficial effects of the utility model are that: the utility model discloses reach is: the beneficial effect is: According tothe centrifugal induced