Large cyclone rear filter separation waste powder recycling device

The utility model discloses a large cyclone rear filter separation waste powder recycling device which comprises a funnel-shaped recycling bin (1), the lower portion of the recycling bin (1) is sequentially connected with a furling cover (2) and a connecting base (3), the cross sectional area of the recycling bin (1) and the cross sectional area of the furling cover (2) are gradually reduced from top to bottom, the connecting base (3) is connected with a recycling pipe (4) and a vulcanizing pipe (5), the recycling pipe (4) is connected with a powder supply center, and the vulcanizing pipe (5) is connected with the powder supply center. The vulcanizing pipe (5) is connected with external vulcanizing equipment; a square opening (11) is formed in the top of the recovery bin (1), the side wall of the recovery bin (1) is an arc-shaped surface (12), and the arc-shaped surface (12) meets an arcsine function image y = arcsinx. The device has the advantages that the separated waste powder can be automatically recycled