Bag filter with filter bag pressing device

The utility model relates to the technical field of filters, in particular to a bag filter with a filter bag pressing device, and solves the problem that a filter bag is easy to fall off under the impact of water flow in the prior art. A bag filter with a filter bag pressing device comprises a shell, the outer side of the shell is fixedly connected with a plurality of mounting footstands distributed in an annular array, a top cover is detachably mounted at the top of the shell, a water inlet pipe is mounted at the top of the top cover, a drainage pipe is mounted at the bottom of the shell, and the drainage pipe and the water inlet pipe are both communicated with an inner cavity of the shell. A filter bag is arranged in the shell, a mounting ring sleeve is fixedly connected to the top of the filter bag, a mounting rope is arranged in the mounting ring sleeve, a fixed ring seat is fixedly connected in the shell, and a clamping groove matched with the mounting rope is formed in the fixed ring seat. According to