Replaceable cartridge filters for treating first flush of stormwater to improve water quality

摘要

The present invention relates to a replaceable cartridge filter part which is used particularly for a cartridge filter filtration apparatus having high filtration efficiency and being easily removable in a water treatment system for improvement in water quality of a stream, which can improve water quality of a stream (in particular, upon first flush), which can maintain a rate of low, and which is installed in a riverside of a stream. According to the present invention, provided is the replaceable cartridge filter part used for a cartridge filter filtration apparatus of a water treatment system for improvement in water quality of a stream, the replaceable cartridge filter part comprising a casing part (321), a filter part (322), a cover part (324), and a fastening part (325). Furthermore, according to the present invention, provided is the replaceable cartridge filter part to which an inner cover part (323) is further added. Furthermore, according to the present invention, provided is a cartridge filter filtration apparatus of a water treatment system for improvement in water quality of a stream, the cartridge filter filtration apparatus comprising a weir introduction part (301), a cartridge filter part (320), a partition part (330), a lower passage part (340), and an outflow part (350).