Ore pulp beneficiation pretreatment extraction device

The invention discloses an ore pulp beneficiation pretreatment extraction device. The device comprises an outer shell, a cleaning device and a drying device, wherein a centrifugal rotary drum is arranged in the other side of the outer shell, a concentrate outlet is formed in the side face of the bottom end of the centrifugal rotary drum, a conveying pipe is detachably connected between the concentrate outlet and a first feeding port in the top of the cleaning device, a spraying device is installed in the cleaning device, a material guiding opening is formed in the bottom of the side, away fromthe first feeding port, of the cleaning device, a material guiding pipe is connected between the material guiding opening and a second feeding port in the top of the drying device, a precious metal adsorption device is installed at the inner bottom of the drying device, and a discharging port is formed in the bottom of the side, away from the second feeding port, of the drying device. The deviceadopts a structure of comb