Movable dust removal system of hot-rolled section steel straightening machine

The utility model relates to a movable dust removal system of a hot-rolled section steel straightener and belongs to the technical field of hot-rolled section steel production equipment in metallurgical industry. According to the technical scheme, two horizontal and parallel supporting beams (6) are arranged between plant stand columns (9), each supporting beam (6) is provided with a track (7) matched with a walking trolley (3), the walking trolley (3) walks on the tracks (7), a dust removal cover (1) is located above a straightening machine (5) and hung on the walking trolley (3) through a pull rod (8), a fixed dust removal pipeline (2) is in an L shape, and the fixed dust removal pipeline (2) is connected with the straightening machine (5). The movable dust removal pipeline (4) is horizontally arranged, one end of the movable dust removal pipeline (4) is connected to the dust removal cover (1), and the other end of the movable dust removal pipeline (4) is movably connected with the fixed dust removal pipeli