Device for preventing leakage of harmful substances in neodymium iron boron waste recycling

The utility model relates to a harmful substance leakage prevention device, in particular to a harmful substance leakage prevention device for recycling neodymium iron boron waste materials. The utility model provides a device for preventing leakage of harmful substances in neodymium iron boron waste recycling, which can prevent neodymium iron boron waste dust from drifting around. The device comprises a shell, supporting legs, a supporting plate, a sealing plate, a supporting column and the like, the supporting legs are connected to the left side and the right side of the bottom of the shell in a front-back symmetry mode, and the supporting plate is connected to the right side of the middle of the inner side of the shell. Supporting columns are symmetrically connected to the left portion of the inner side of the supporting plate front and back, a sealing plate for sealing is slidably arranged between the left portions of the supporting columns, and the left side of the sealing plate is slidably connected wit