Air filtering device for coal mine production

The invention provides an air filtering device for coal mine production, and relates to the field of coal mine auxiliary devices. The air filtering device for coal mine production comprises a base, the upper surface of the base is fixedly connected with a processing mechanism, a collecting mechanism is arranged on the upper surface of the base and located on one side of the processing mechanism, the top of the collecting mechanism is fixedly connected with a filtering mechanism, an exhaust pipe is arranged on the right side wall of the collecting mechanism, a second draught fan is arranged onthe left side wall of the collecting mechanism, an exhaust port is formed in the right side wall of the filtering mechanism, a first draught fan is arranged on the left side wall of the processing mechanism, and an input end of the first draught fan is fixedly connected with an air supply pipe. By reasonably designing the structure of the filtering device, the filtering device can well filter airduring coal mining, the fi