国家/地区 中国（3）
IPC部 B（3）
IPC大类 F26（3）
IPC小类 F26B（3）
IPC F26B021/00（3）
发明人
公开年 2021（3）
申请年 2021（2） 
专利权人

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

Graphene heating film drying device, has drying box whose left side is provided with heater, L-shaped drying pipe whose lower end is provided with impeller, where outer wall of lower end of L-shapedpipe is formed with multiple through holes.

WENG X

Graphene production device, has base whose top surface is fixedly connected with drying box, and driving wheel connected with driven wheel through belt, where front surface of drying box is movably connected with box door.

SONG B