The utility model discloses a sealing -tape machine of mucking haulage with grain slag sweeper. The grain slag sweeper includes sweeper house steward, sweeper branch pipe. The blast furnace grain slagusually bonds at conveying adhesive machine head pulley position back tracking sticky tape in transit, descend the zone face promptly on, the hard metal sweeper can't be clear away the grain slag adhesion totally, just fragile sticky tape face. The grain slag sweeper blows under to on the zone face through highly -compressed air, the effectual grain slag adhesion problem of having solved, and tothe not harm of sticky tape face. In process of production, can reduce the maintenance of sealing -tape machine, the change of bearing roller.