Combined filter bag

The utility model discloses a combined filter bag. The combined filter bag is characterized by consisting of filter cloth and a filter screen, wherein the filter cloth is divided into upper edge filter cloth and base filter cloth; the filter screen is positioned between the upper edge filter cloth and the base filter cloth; the filter screen is detachably and movably connected with the upper edge filter cloth and the base filter cloth; a plurality of reinforcing ribs are fixedly arranged between the upper edge filter cloth and the base filter cloth; the reinforcing ribs pass through the filter screen to be connected to the upper edge filter cloth and the base filter cloth without connecting to the filter screen; the combined filter bag breaks through the single filter screen structure or single filter cloth structure of a traditional filter bag, the filter screen and the filter cloth are combined together, the strength effect of the filter cloth is guaranteed, the good filtering effect of the filter screen is also maintained, the filter screen is movably connected with the filter cloth, so that the disassembly, cleaning and replacement are facilitated, and the strength of the whole filter bag is further improved through the reinforcing ribs. The combined filter bag has the advantages that the structure is simple, the performance is reliable, the cost is saved, the procedures are ensured to be performed normally, the efficiency is improved, and combined filter bag is suitable for extensive popularization and application.