Patent ID: 11891767
Assignee: nan
Field: Chemical engineering (Chemistry)
Classification: CPC E  A  B | IPC B  E

Claim 18:
19. The scum absorbing device according to claim 18, wherein the at least one protruding portion comprises a first protruding portion protruded from the front absorbing body or the rear absorbing body, and a plurality of second protruding portions spaced apart from each other and protruded from the front absorbing body or the rear absorbing body; and the at least one middle absorbing member comprises a first middle absorbing member matched with the first protruding portion and a plurality of second middle absorbing members matched with the second protruding portions, wherein the first protruding portion is arranged at a middle portion of the front absorbing body or the rear absorbing body; and the second protruding portions are arranged around arranged along an edge of the front absorbing body or the rear absorbing body.