Novel circulating fluidized bed boiler material returning device

The utility model relates to a novel circulating fluidized bed boiler material returning device which comprises material legs, a material returning box and a material returning pipe, a material inletis formed in the top of the material returning box, a material outlet is formed in the side, away from the material inlet, of the material returning box, the material legs are communicated with the material inlet, the material outlet is communicated with the material returning pipe, and an air distribution plate is arranged at the bottom of the material returning box. The air distribution plate isprovided with a plurality of air caps, the air caps are arranged from the end close to the feeding port to the end close to the material returning port in a gradually-densified mode, an inclined sidebottom plate is arranged on the side, close to the feeding port, in the material returning box, a partition plate is arranged in the middle of the material returning box, and the joints of the partition plate and the two oppos