Refractory brick waste collecting device

The utility model relates to the technical field of refractory brick production, in particular to a refractory brick waste collecting device. The refractory brick waste collecting device comprises a discharging box, a conveying belt is arranged in the discharging box, a feeding hopper is arranged on the discharging box, a material guide dustproof plate is arranged in the feeding hopper, a first-stage material guide separation plate is arranged on the conveying belt, an inclined bottom plate is arranged below the discharging box, and a fine particle filter screen and a large particle filter screen are arranged on the inclined bottom plate. According to the device, through the first-stage material guiding separation plate, the second-stage material guiding separation plate and the third-stage material guiding separation plate, impurities with different particle sizes in coarse materials are removed step by step, the impurities are prevented from entering the refractory brick sintering step, and the qualified ra