国家/地区 中国（3）
IPC部 B（3）
IPC大类 F04（3） B01（2）
IPC小类 F04D（3）
IPC F04D029/70（3）
发明人
公开年
申请年 2020（2） 
专利权人

Tetrafluoride centrifugal pump for processing graphene, has belt wheels respectively installed on front end of rotating shaft and left side of rotating shaft, where two groups of belt pulleys are synchronously driven by belt.

LV H

Easy processing pump unit structure has sewage filter screen that is arranged at water outlet, sewage filter screen that is arranged obliquely, and graphene oxide adsorption film that is arranged on sewage filter screen.

GAO Q

Graphene filtering exhaust fan has machine shell which is installed with blade and provided with filter mechanism which is included with front filter screen and rear filter screen, while setting active coal layer between filter screens.

YAN L