▎ 摘　　要

NOVELTY - A graphene/cement base material dispersing device comprises pneumatic conveying station (1), first variable diameter joint (2), first external thread joint (3), first three-way joint (4), first mixing tube (5), second mixing pipe, second three-way joint, hose, second external thread joint, and second variable diameter joint. The outlet of pneumatic conveying station is connected with one end of big caliber of first variable diameter joint. One end of small caliber of first variable diameter joint is connected with first thread. The first thread joint is connected with one port of first three-way joint. The other two ports of first three-way joint are respectively connected with first mixing pipe. One port of second mixing tube is connected to first mixing pipe, while the other port of the second mixing tube is connected with two ports of second three-way joint. The second mixing pipe and the second three-way joint are connected to form annular channel between first mixing pipe. USE - The device realizes uniform dispersion of graphene and cement particles. ADVANTAGE - Graphene/cement base material dispersing device. DETAILED DESCRIPTION - Graphene/cement base material dispersing device comprises pneumatic conveying station (1), first variable diameter joint (2), first external thread joint (3), first three-way joint (4), first mixing tube (5), second mixing pipe, second three-way joint, hose, second external thread joint, and second variable diameter joint. The outlet of pneumatic conveying station is connected with one end of big caliber of first variable diameter joint. One end of small caliber of first variable diameter joint is connected with first thread. The first thread joint is connected with one port of first three-way joint. The other two ports of first three-way joint are respectively connected with first mixing pipe. One port of second mixing tube is connected to first mixing pipe, while the other port of the second mixing tube is connected with two ports of second three-way joint. The second mixing pipe and the second three-way joint are connected to form annular channel between first mixing pipe. The other port of second three-way joint, hose, second nipple, second variable diameter joint, and inlet of pneumatic conveying station are connected in turn. One end of large-caliber inlet of pneumatic conveying station is connected with second joint. One end of small caliber of the second reducer union joint is connected with the second thread. An INDEPENDENT CLAIM is included for a preparation method of the graphene/cement base material which comprises using the dispersing device to disperse graphene and cement to obtain graphene-cement mixture, mixing with water, stirring and forming. DESCRIPTION OF DRAWING(S) - The drawing is a schematic diagram illustrating a graphene/cement base material dispersing device. Pneumatic conveying station (1) First variable diameter joint (2) First external thread joint (3) First three-way joint (4) First mixing tube (5)