国家/地区 中国（2）
IPC部 C（2）
IPC大类 F25（2）
IPC小类 F25B（2）
IPC
发明人
公开年 2021（2）
申请年 2020（2） 
专利权人

Graphene preparation device comprises bracket, tank body, first pipeline and second pipeline, where bracket is fixedly set on ground, tank body is fixedly connected to bracket, inner part of tank body is formed with containing cavity.

WANG J

Porous material thermal distillation water purification system useful in water treatment, has compressor, condensing radiator, expansion valve and evaporative refrigeration fins that are connected end to end to form closed Carnot cycle loop.

QU L, LIAO Q, CHENG H