国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2） C02（2）
IPC小类 B01D（2）
IPC B01D063/02（2）
发明人
公开年 2022（2）
申请年 2021（2） 
专利权人

Mop cleaning bucket for rinsing and de-drying clean water by circulating and filtering sewage, has water column for drawing water from water purification area to clean mop cloth to form sewage that flows to water outlet through inclined surface.

WU C

Graphene-reinforced photothermal evaporation film comprises inner surface, outer surface and cross-section of photothermal evaporation film distributed with graphene with a two-dimensional sheet structure pore size from the inner surface to outer surface changes from large to small.

ZHANG Q, ZHANG X