Air inlet structure for air suspension pulverized coal

The utility model provides an air inlet structure for air suspension pulverized coal, and belongs to the field of air inlet treatment. The utility model relates to an air inlet structure, in particular to an air inlet structure for filtering pulverized coal suspended in air. Comprising an upper cylinder, the upper cylinder is of a shell structure with the bottom open and the top provided with an air inlet hole, external threads are arranged on the lower edge of the upper cylinder, an air inlet connecting nozzle is correspondingly arranged in the air inlet hole in a sealed connection mode, and a lower sealing cover is arranged at the bottom of the upper cylinder in a threaded connection mode and combined to form a sealed cavity. A roundabout channel is arranged between the upper cylinder body and the lower sealing cover, the roundabout channel is correspondingly filled with cylinder filter cloth, corresponding airflow conduction is carried out on the roundabout channel, and corresponding interception and filtr