QDMC type pulse-jet single-machine bag dust collector is a small on-line dust collector which is improved and designed by our company after absorbing the advanced technology of the same kind of foreign products. The dust remover adopts the technique of high pressure (0.5-0.7mpa) pulse valve with large flow, which is used to pulse blow the dust to the filter bag one by one. This product is small in size, compact in structure, easy to install, easy to maintain (external filter type), widely used in building materials, metallurgy, mining, chemical industry, coal, non-metallic ore ultra-fine powder processing and other industries local dust point dust gas treatment.