Disclosed is a straight-flow cyclone with recirculation, which comprises a cylindrical body between supply and drain pipes, a vortex chamber, a confuser and a diffuser, shields with a swirler and a guide, a dust collector connected to the housing. In the case the swirler is mounted in front of the confuser and the guide is mounted downstream of the diffuser, between which a narrowed vortex chamber is located, the shields are biconical-cylindrical and connected by a central tube coaxially mounted in the cyclone housing.
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