Conveying system for removing metal in materials

The utility model provides a conveying system for removing metal in materials, solves the problems that sharp and hard metal foreign matters are easily mixed in the conventional material conveying process, equipment is easily damaged in the subsequent production process, and large economic loss is caused, and can effectively remove the metal foreign matters contained in materials such as mineral aggregates or slag. The conveying system comprises a first conveyor, a conveyor head blanking device, a metal detector, an air blowing device, a three-way distributor, a separation chute and a material chute, the first conveyor is arranged at an outlet of the material bin and used for conveying materials in the material bin into a discharging device at the head of the conveyor. The conveyor head discharging device is arranged at the tail end of the first conveyor. The metal detector is arranged on the first conveyor; the air blowing device is arranged in the conveyor head blanking device; a first connector of the thre