This utility model provides a new plough discharger comprising the frame, the electric pushing rod and the plough head plate mounted at the rod fore-end. Its characteristic is that there is a board rack on the frame just under the plough head plate.he frozen materials cleaner is our new product specially developed for the belt conveyors that work outdoors in the cold areas where the belt conveyors are easily stuck with frozen materials. Its development fills up the domestic gap in solving the issue of cleaning off frozen materials sticking to the belt conveyors that run at a low temperature in the northern plants like power plants and coal mines in winter.