国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01F（3）
IPC B01F027/90（3）
发明人
公开年 2022（2）
申请年
专利权人

Device for producing magnesium sulfate by graphene waste acid, has vertical pipe respectively provided with suction fan through bracket, where top surface of inner wall of tank body is provided with cleaning mechanism.

XIE T, DONG H, WANG P, REN Y, JIANG W, DING Y, GAO G, MENG X, ZHANG X

Nitrogen-doped graphene composite electrode preparation device has supporting table rotatably provided with operation piece raw material, where supporting table is fixed with first driving piece for driving operation of operation piece.

CHEN C, SUN X, BAO L, ZHAN F, WANG Q

Graphene powder preparation system for preparing carbon nano-tube slurry, has drying cylinder whose bottom is connected with collecting box through pipeline, where upper end of drying cylinder is set with guide plate.

LIU S, WANG Z, CUI C