国家/地区 中国（3）
IPC部 B（3）
IPC大类 B08（3） C01（3） F26（2）
IPC小类 B08B（3）
IPC B08B003/02（3）
发明人
公开年
申请年 2021（2） 
专利权人

Graphene solution purifying and impurity removing device has crank that drives connecting rod to move downwards, and outer scraping ring that drives inner scraping seat to move upwards along inner wall surface of first and second compartments.

HUANG X

Laboratory device useful for preparing graphene from tar residue comprises box body fixed on screen frame, liquid pump set in washing tank, and cushion frame integrated centrifugal separation and drying machine set with inlet of ball mill.

WANG X, WU B, LI X, ZHU W, XU W, XU X, WANG Z, ZHANG Z, LIAN B

Device useful for preparing graphene film, comprises box body, plurality of support rods are fixedly connected to lower end of box body, fixing plate is connected between plurality of support rods.

LIU G, LIU Z, DONG L, YANG B, DONG X