公开(公告)号：US12023628B2

公开(公告)日：2024-07-02

申请号：US17501684

申请日：2021-10-14

申请人： Greentech Environment Co., Ltd.

发明人： Mu Liu ,  Xiaofeng Lin ,  Zehua Li ,  Yingqiang Su ,  Xiaohong Niu ,  Huiming Han ,  Xiaofang Zhang

IPC分类号： B01D61/04 ,  B01D61/02 ,  B01D65/02 ,  C02F1/44 ,  C02F9/00 ,  B01D65/08 ,  C02F1/00

CPC分类号： B01D61/04 ,  B01D61/027 ,  B01D65/02 ,  C02F1/442 ,  C02F9/00 ,  B01D65/08 ,  C02F1/001 ,  C02F2209/03 ,  C02F2209/05 ,  C02F2303/16

摘要： The present disclosure provides a drinking water purification system with a backwashable filter cartridge and a nanofiltration system. The drinking water purification system includes a backwashable pre-filtration unit, a nanofiltration unit and a cleaning unit. The backwashable pre-filtration unit is provided with a backwashable filter cartridge. The nanofiltration unit is provided with a nanofiltration filter cartridge. A water outflow side of the backwashable filter cartridge is connected to a water inflow side of the nanofiltration filter cartridge. The cleaning unit is connected to the water outflow side of the backwashable filter cartridge.