• 专利标题:   Graphene composite filter membrane for use in sewage treatment process, has limiting hole that is formed on one side of limiting slot opened at lower locating frame upper end, and elastic reset block that is set on limiting hole outer side.
  • 专利号:   CN207401371-U
  • 发明人:   ZHU Y, SHAO R
  • 专利权人:   NANJING XUYURUI MATERIAL TECHNOLOGY CO
  • 国际专利分类:   B01D071/02, B01D069/12, C02F009/04
  • 专利详细信息:   CN207401371-U 25 May 2018 B01D-071/02 201837 Pages: 5 Chinese
  • 申请详细信息:   CN207401371-U CN21310466 12 Oct 2017
  • 优先权号:   CN21310466

▎ 摘  要

NOVELTY - The utility model claims a graphene composite filtration membrane, comprising an upper locating frame, composite filter film and the lower locating frame, said composite filter membrane is located between the upper locating frame and a lower locating frame; the outer edge of the lower end of the upper locating frame is fixedly mounted with a locating bump, the composite filtration membrane comprises a graphene filtering layer, filtering layer and secondary filtering layer, the sterilizing layer on graphene filtering layer and secondary filtering layer between the outer edge of the graphene layer is located on the second level filter layer above the composite filter membrane is set with a locating groove; the upper end surface of the lower positioning frame is opened with a limiting groove, one side of the limiting groove is provided with a limiting hole, the outer side of the limiting hole is equipped with an elastic reset block. The graphene composite filtration membrane has reasonable design, high practicability, and greatly improves the service life of the filter membrane, and has wide popularization prospect.