▎ 摘　　要

NOVELTY - The utility model claims a graphene preparation technology field, relating to a collecting device of graphene powder production device. it comprises: a main collecting pipe, the tail end of the main collecting pipe is connected with a pumping device for providing negative pressure to the main collecting pipe; the main collecting pipe comprises M horizontal sections and N middle sections, the middle section is vertically arranged with the horizontal section; when M = 1, the horizontal section is connected with the middle section; when M is more than 1, the adjacent two horizontal sections are connected with one of the middle section; wherein the lower respectively of the S horizontal section is connected with at least one main material receiving hopper, the lower part of the main material receiving hopper is provided with a main material receiving container; M, N, S are natural number, and M is not less than N, S, can effectively prolong the length of the main collecting pipe, then can be provided with a plurality of main receiving hopper, the main receiving hopper are staggered, avoiding graphene storage in the main collecting pipe needs to pause production, ensuring the continuity of production.