Miniature self-falling type material-gas separator for powder bin

The utility model provides a miniature self-falling type material-gas separator for a powder bin, which comprises an upper shell, a lower shell, a miniature gas bag, a filter element and a pulse electromagnetic valve, and the upper shell is provided with an upper exhaust chamber, a lower connecting chamber, a connecting threaded port, a blowing pipe and a gas bag support; the pulse electromagnetic valve is connected with a blowing pipe of the upper exhaust chamber, the filter element is connected with a connecting threaded opening in the lower connecting chamber, and the micro air bag, the pulse electromagnetic valve and the blowing pipe of the upper exhaust chamber are connected in series. The miniature self-falling type material-gas separator for the powder bin can effectively realize ventilation and pressure equalization in the bin and online blanking, and is low in manufacturing cost, convenient to install, free of manual cleaning, efficient and convenient. 本实用新型提供一种粉体料仓用微型自落式料气分离器，包括上壳体，下壳体，微型气包，滤芯和脉冲电磁阀