The multi station central dust purification system can be used in the following processing technologies: plasma treatment, metal cutting, sanding machine, mixed processing, feeding, polishing, grinding, planing, stone polishing, metal processing, threshing, drilling, crushing, cutting, mixed processing, etc. It is also widely used for dust removal, material recovery and air filtration in shipbuilding, heavy industry, automobile manufacturing, large equipment processing, tobacco, medicine, food processing, building materials, metallurgy, chemical industry, electric power, machinery manufacturing, casting and other industries.