Screw conveyer with feed preheating function

The utility model relates to the technical field of screw conveyors, in particular to a screw conveyor with a feed preheating function, which comprises a conveyor shell, a feeding impeller and a feed hopper, a first motor is fixedly connected to the inner side of the left end of the conveyor shell, and a second belt pulley is fixedly connected to the outer side of a main shaft of the first motor. The inner side of the second belt pulley is rotatably connected with a belt, the inner side of the upper end of the belt is rotatably connected with a first belt pulley, the right end of the first belt pulley is fixedly connected with a feeding roller, the inner side of the feeding roller is provided with a feeding groove, and the middle of the inner side of the feeding roller is fixedly connected with a heating wire. Through the arrangement of the feeding roller, the heating wire, the first belt pulley and the second belt pulley, conveyed materials can be heated through the arranged heating wire, in this way, the si