Mining local fan with micro-perforated plate combined noise elimination and reduction structure

The utility model discloses a mining local fan with a micro-perforated plate combined type noise elimination and reduction structure. The mining local fan comprises a flow guide air inlet box, a main machine part and an air outlet box which are sequentially arranged along an air circulation path, the air conditioner is characterized in that noise elimination and reduction structures are arranged in the flow guide air inlet box, the main machine part and the air outlet box; the noise elimination and reduction structure at least comprises a micro-perforated plate with the perforation rate smaller than 5% and breathable flame-retardant cloth. According to the fan, the micro-perforated plate with the perforation rate smaller than 5% is used according to different frequencies of noise generated when the fan runs, the breathable flame-retardant cloth is laid on the surface of the micro-perforated plate, cavities of an air layer are reserved in individual positions, the noise elimination and reduction structure is f