Detachable and replaceable nanofiltration membrane group

The utility model relates to the technical field of nanofiltration membrane group replacement, in particular to a detachable and replaceable nanofiltration membrane group which comprises a nanofiltration membrane box and nanofiltration membrane groups, the nanofiltration membrane box is of a top opening structure, sliding grooves for the nanofiltration membrane groups to be inserted and placed are evenly formed in the inner walls of the two sides of the nanofiltration membrane box, and the nanofiltration membrane groups are sequentially arranged and placed in the sliding grooves. According to the device, the lifting assemblies are arranged at the bottoms of the multiple nanofiltration membrane sets to lift the multiple nanofiltration membrane sets in a staggered arrangement mode, workers can conveniently take down the damaged nanofiltration membrane sets to replace the nanofiltration membrane sets, and the device is simple in structure, convenient to operate and high in practicability. Operation is convenient