Solid impurity collecting device for low-temperature slurry material

The utility model discloses a solid impurity collecting device for a low-temperature slurry material. The solid impurity collecting device comprises a valve and a filtering assembly, the valve is a flange-connected ball valve, and one end of the valve is connected with the filtering assembly through a flange; a valve rod of the valve is composed of a horizontal valve rod and a vertical valve rod, the horizontal valve rod is in linkage with the vertical valve rod through a transmission device composed of bevel gears, a stuffing box is arranged on the vertical valve rod, and the top of the vertical valve rod is connected with a valve hand wheel. The filter assembly is composed of an outer shell with a flange plate, a filter screen and a bottom pipe nozzle, the outer shell is in a conical cylinder shape with a large upper end and a small lower end, the filter screen is consistent with the outer shell in shape and is arranged on the inner wall of the outer shell in a lining mode, and the bottom pipe nozzle is arr