Filtering and classifying type simple environment-friendly dust removal device for factory building

The utility model discloses a filtering classification type simple environment-friendly dust removal device for a factory building, which belongs to the field of dust removal devices and comprises a dust removal box, a supporting frame fixedly welded on the inner side surface of the dust removal box, a filtering cloth bag wrapped on the outer side surface of the supporting frame, a water pipe fixedly welded inside the dust removal box, and a connecting pipe fixedly welded on the outer side of the water pipe. According to the filtering and classifying type simple environment-friendly dust removal device for the factory building, water is introduced through the water pipe, water mist is sprayed out through the spraying holes, a large amount of dust can be filtered, dust-containing airflow can be effectively purified, secondary filtering can be conducted on the dust through the design of the filtering cloth bag, the dust is effectively prevented from being discharged into the air, and pollution to the surroundin