Cyclone dust removal device for recovering pressure-equalizing diffused waste gas at top of blast furnace

The invention discloses a cyclone dust removal device for recovering pressure-equalizing diffused waste gas at the top of a blast furnace, and relates to the field of dust removal. The cyclone dust removal device specifically comprises a bottom plate, the top of the bottom plate is rotatably connected with a frame rod, the outer surface of the frame rod is fixedly connected with a dust removal cylinder, the top of the dust removal cylinder is provided with an air inlet, and the top of the air inlet is fixedly connected with a telescopic cylinder. A rotating mechanism, a dust removal mechanism and a treatment mechanism are arranged in the equipment, an air outlet of the equipment is provided with a telescopic fixing structure, exhaust gas is accelerated to be exhausted through up-down movement, on the other hand, the state of built-in sealing rings can be changed, connection between pipelines can be reinforced by stacking the sealing rings at one position, and mounting and dismounting are more convenient and f