国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC
发明人 ZHANG W（3）
公开年 2022（3）
申请年 2022（2） 
专利权人 UNIV HEILONG.（2）

Device for preparing graphene oxide, has device body, swaying mixing tank and control panel, where middle part of device body is movably connected with swaying mixing tank, and two sides of middle of device body are fixedly connected with supporting frame.

LI X, WEI L, ZHANG W, LI C, QIN L

Cooling device for producing graphene nano carbon black, has round rod whose bottom end that is located at bottom of hollow column is fixedly connected with rotating disc.

LI X, WEI L, ZHANG W, LI C, QIN L

Denitration system for calcining alumina, has heat insulation layer whose bottom end is connected with reflux pipe connected with one end of heat exchange cavity.

GAO K, ZHANG W, JIA Z, ZHANG Z