Graded filtering device for kidney bean peptide production

The utility model belongs to the technical field of kidney bean peptide production, and discloses a graded filtering device for kidney bean peptide production, which comprises a filtering device shell, the top of the filtering device shell is movably connected with a sealing top cover, the bottom of the filtering device shell is provided with a discharge pipe, the middle of the top of the sealing top cover is provided with a feed port, and the top of the sealing top cover is provided with a discharge pipe. A filtering assembly is arranged in the filtering device shell, the filtering assembly comprises a first-stage filtering conical net, a second-stage filtering conical net and a third-stage filtering conical net, a metal filtering net is arranged at the bottom of the first-stage filtering conical net, and taking handles are symmetrically arranged on the top wall of the first-stage filtering conical net; the filtering assemblies are the same in structure, the metal filtering net is a filtering net, the metal