Beer saccharifying tank filtering device

The utility model provides a beer saccharifying tank filtering device which comprises a filtering box, a flange is arranged on one side of the filtering box, a water tank is fixed on the other side of the filtering box, a box cover is installed on the upper portion of the filtering box, and a first fixing piece is fixed on the upper portion of the inner wall of the filtering box. According to the filtering device of the beer saccharifying tank, the water tank, the water pump, the input pipe, the upper filter screen and the lower filter screen are matched for use, in the using process of the device, saccharifying liquid is firstly filtered by the upper filter screen in the filtering tank, large-particle impurities are filtered out, small-particle impurities in the saccharifying liquid are filtered out by the lower filter screen, and the saccharifying liquid is filtered out by the lower filter screen. Meanwhile, saccharification liquid can generate sediment in the filtering box, a switch of a water pump can be