Bag filter for boiler make-up water treatment station and boiler make-up water system

The utility model discloses a bag filter for a boiler make-up water treatment station and a boiler make-up water system. The utility model relates to the technical field of boiler corollary equipment.The device comprises a shell, an inner container and a filter bag, a water inlet and a water outlet are formed in the shell, the inner container is sleeved with the shell, a plurality of meshes are formed in the surface of the inner container, the filter bag is sleeved with the inner container, the water inlet is located above the inner container, a scraping ring is slidably arranged on the innerside of the inner container, and a lifting assembly for driving the scraping ring to slide up and down is arranged in the shell. The scraping ring is driven by the lifting assembly to wipe the filterbag, so that the possibility that the peripheral side of the filter bag is blocked is reduced, the replacement frequency of the filter bag is reduced, the labor and time for replacing the filter bagare saved, and the service l