DJ series of precipitator is the small bag filter configured for the powder materials bulk machines. The series of single bag-type duster uses flat-plate vibrating motor to clean, comparing with other single machines, it has large dusting kinetic energy and high dusting effiency characteristics, and small size, light weight, simple and compact structure, easy installation, easy maintenance and long life filter bag. It can also be widely used in non-fibrous dust-laden gas purification treatment systems of building materials, metallurgy, machinery, docks, electricity, coal, food, light industry, chemical industry, and non-metallic mineral ultrafine powder processing industries, etc., and is ideal device for the current environmental protection and dust removal.