国家/地区 中国（2）
IPC部 B（2）
IPC大类 F26（2）
IPC小类 F26B（2）
IPC F26B021/00（2）
发明人 WANG P（2）
公开年
申请年 2021（2）
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

Powder drying and collecting device for preparing graphene, comprises box body, where two side surfaces of bottom of box body are provided with sliding groove, and sliding groove is slidingly connected with sliding block.

WANG P