Ore unloading semi-counter-current type permanent magnet drum magnetic separator

The utility model belongs to the field of mining equipment, and particularly relates to an ore unloading semi-counter-current type permanent magnet drum magnetic separator, which is characterized in that a drum body is rotatably erected on a support, is mounted on a rack and is in transmission connection with the end part of the drum body, a magnetic system is arranged in the drum body through thesupport, and a slot body positioned at the lower end of the drum body is formed in the rack; a magnetic separation gap used for containing materials is formed between the groove body and the barrel.One end of the groove body is connected with the ore feeding box, and the other end of the groove body is connected with a non-magnetic material tailing outlet and a magnetic material concentrate outlet; the water spraying pipe is arranged at the tail end of the ore feeding box, the ore unloading water pipe is arranged above the concentrate outlet, and a plurality of ore unloading water nozzles are arranged at the lower en