The utility model relates to a blast furnace slag transport vehicle raise dust protector belongs to slag transport vehicle raise dust protective equipment technical field. Technical scheme is: contain driving motor (1), drive chain (2), dustproof cloth roll (3), dustcloth (4), transmission linkage (5) and pneumatic cylinder (6), driving motor (1) is connected through drive chain (2) and dustproof cloth roll (3) drive, and the one end of dustcloth (4) is fixed on dustproof cloth roll (3), and the other end of dustcloth (4) is connected with transmission linkage (5), and transmission linkage (5) are connected with pneumatic cylinder (6) drive. The beneficial effects of the utility model are that: can be the automatically swift carriage to blast furnace slag transport vehicle carries out whole to be covered, has thoroughly solved the environmental pollution problem that slag transport vehicle produced in the transportation, and the personnel of need not climb the carriage top and operate, alleviate staff's intensity of labour, improves work efficiency. Simple structure, easy dismounting is dustproof effectual.