Slurry filtering device applied to construction of bored piles

The utility model discloses a slurry filtering device applied to the construction of bored piles, which comprises an ash storage tank, wherein the output end of the ash storage tank is provided with a filter tank; the filter tank is composed of a first sliding chute, a second sliding chute, a first filtering plate and a second filtering plate, and the cross section of the first sliding chute is E-shaped; the first filtering plate and the second filtering plate are respectively movably embedded into the first sliding chute and the second sliding chute; the first sliding chute and the second sliding chute are respectively provided with a mounting groove; an L-shaped bracket is arranged in each mounting groove; the middle part of the L-shaped bracket is provided with a through hole; a first handle and a second handle passes through the through holes; and the bottoms of the first handle and the second handle are respectively fastened with the top surfaces of the first filtering plate and the second filtering plate. The slurry filtering device applied to the construction of bored piles disclosed by the utility model is simple in structure and easy to use, and can solve the problems of damages and blockage.