Device for removing iron from biomass fuel

The invention discloses a device for removing iron from biomass fuel. The device comprises a controller and a belt conveyor placed in a corridor, wherein the controller is in electrical connection with a motor of the belt conveyor. The device further comprises two bearing guiding rails, pull rods, a moving cart and an electromagnetic chuck,, wherein the two bearing guiding rails are arrayed in parallel at intervals, are arranged right above the belt conveyor in a straddling manner, are connected to the pull rods fixed at the top of the corridor, and extend in the operating direction of the belt conveyor in the corridor; the moving cart is matched with the bearing guiding rails; the electromagnetic chuck is in electrical connection with the controller, and is hung under the bearing guiding rails and right opposite to a belt through the moving cart; the electromagnetic chuck moves perpendicular to the operating direction of the belt along the guiding groove; the moving cart is in electrical connection with the