国家/地区 中国（3）
IPC部 B（3） C（3）
IPC大类 B01（3） C01（3）
IPC小类 B01D（3）
IPC C01B032/196（3）
发明人 LI J（2）
公开年 2022（3）
申请年 2022（2） 
专利权人

Graphene purifying device has purifying box whose bottom is slidingly connected with baffle plate and is fixedly installed with top portion of purifying pipe.

LI J, ZHAO Q, ZHAO B

Heating oil graphene extracting and purifying device, has separating screen fixedly installed on inner wall of purifying device main body, moving plate fixed on separating screen, and dredging block fixedly installed on bottom end of moving plate.

DONG Y, LI J, ZHANG W

Graphene refining device with filtering and function, has second mounting block whose one end is rotatably mounted with elastic rod, and one end of elastic rod is connected with third mounting block.

CUI G, ZHANG Y, SUN T, CHEN S, LI X, HAN J, CHEN G, CHEN R