Paperboard iron powder adsorption device for mud storage place

The utility model discloses a paperboard iron powder adsorption device for a slurry storage place, which relates to the technical field of paperboard iron powder removal and comprises a machine table, two groups of magnetic rods are vertically arranged on the table top of the machine table, and a paperboard channel for a paperboard to pass through is formed between the two groups of magnetic rods. A movable clamping groove used for clamping a paperboard is formed in the paperboard channel, the movable clamping groove is in a long strip shape, an opening of the movable clamping groove faces upwards, the length direction of the movable clamping groove is consistent with the direction of the paperboard channel, the movable clamping groove can reciprocate in the direction of the paperboard channel, and lead screw expansion pieces are arranged at the two ends of the movable clamping groove correspondingly. The screw rod expansion piece is composed of a motor body and a telescopic rod, the end, away from the motor