Integral dust removal equipment for refining furnace exhaust hood

The utility model provides integral dust removal equipment for a smoke extraction hood of a refining furnace. The integral dust removal equipment for the refining furnace exhaust hood comprises a connecting structure, a fixing structure; a water inlet pipe; replacement structure, the replacement structure comprises a fan sleeve, a rotating sleeve, a fixing column, a first fixing sleeve, a first sealing ring, a second sealing ring, a second fixing sleeve and a fixing rod. The second fixed sleeve is arranged at the top end of the connecting structure; the second sealing ring is arranged at one end, deviating from the connecting structure, of the second fixing sleeve; the fixing column is welded to the top end of the second fixing sleeve, the fixing rod is welded to the top end of the secondfixing sleeve, the first fixing sleeve is welded to the end, away from the second fixing sleeve, of the fixing rod, the first sealing ring is arranged at the bottom end of the first fixing sleeve, andthe rotating sleeve is ro