Cyclone, is by the cyclone cylinder, ash hopper and volute (cap) or set of three parts, according to the number of cylinder, a single cylinder, double cylinder, three drum, six cylinder and so on five kinds of combinations, each combination has two forms: the wind out Ⅰ level wind and Ⅱ (upper wind). For the combination type Ⅰ binocular, otherwise the in and out of the wind and the side two combinations, in and out of the wind Ⅰ type single cylinder and three cylinder only side when the wind is a kind of form, four cylinder and six cylinder combination form only in the middle of in and out of the wind, for type ii various combinations, can use any of the above Ⅰ type into the wind, this kind of dust collector with small resistance, high dust removal efficiency, parameters of large, stable performance, covers an area of small structure is simple, practical, cheap, etc. Suitable for all kinds of mechanical processing, metallurgical building materials, mining dust coarse, intermediate purification.