Three-stage water filtration dust processor

The utility model provides a three-stage water filtration dust processor. Relating to the field of three-stage water treatment, the device comprises a filter box and a water pump, a water outlet of the water pump is connected with a conveying pipe through a flange; one end of the conveying pipe penetrates through the center of the top of the filtering box and extends into the filtering box, the filtering box is of a hollow structure, U-shaped long blocks are welded to the positions, close to the top edge, of the inner surface walls of the two sides of the filtering box in the horizontal direction, and an impurity filtering net is slidably embedded between the inner surface walls of the two U-shaped long blocks. According to the utility model, firstly, three-stage water is pumped through awater pump; the third-stage water is conveyed into the filtering box through a conveying pipe; and secondly, impurities in the third-stage water can be better filtered through the impurity filter screen, dust in the third-sta