Calcium carbide furnace purification device

The utility model relates to the technical field of tail gas purification, and discloses a calcium carbide furnace purification device which comprises a dust removal box, a cloth bag is installed in the dust removal box, a movable cover is installed on the top of the dust removal box in a sliding mode, a blowing system is installed on the movable cover, and a supporting plate is installed on one side of the dust removal box. According to the calcium carbide furnace purification device, due to the fact that the blowing system and the movable cover are integrally connected, and the movable cover and the dust removal box are installed in a sliding connection mode, the blowing system can be communicated with the dust removal box to be disassembled together during disassembly, and therefore the dust removal effect is improved; and meanwhile, a supporting plate and a supporting rod are arranged, the supporting plate can be used for placing the detached movable cover, the detached blowing system does not need to be