Low-wind-noise fan for VOCs treatment

The utility model relates to a low wind noise fan for VOCs treatment, which comprises a power mechanism, two ends of the power mechanism are respectively provided with a treatment mechanism and a combustion mechanism, the low wind noise fan also comprises a bottom plate, and the power mechanism, the combustion mechanism and the treatment mechanism are all arranged above the bottom plate; the power mechanism is a conical first hollow pipe, an output motor is arranged on the outer wall of the power mechanism, one end of the first transmission shaft is in transmission with the output motor, and the other end of the first transmission shaft extends to the axis of the first hollow pipe. Based on the arrangement of the replaceable filtering cavity and the plurality of filtering grooves, a worker can conveniently replace a filtering medium according to working requirements, the primary filtering capacity is improved, the power mechanism adopts a conical barrel and double-fan-blade driving mode, and the streamline in