▎ 摘　　要

NOVELTY - The utility model claims a device for preparing fluorinated graphene by-product high-purity lithium fluoride, comprising a heating container; the heating container inner wall is provided with a heating plate; the top end of the heating container is provided with a sealing cover; the sealing cover is provided with a vacuum pipeline passing through the sealing cover; the vacuum pipeline is connected with a vacuum pump; the inner side wall of the heating container is fixedly connected with a plurality of fixing blocks; the top end of the fixing block is fixedly connected with a vertical sliding rod; the plurality of sliding rods are slidingly connected with the same supporting ring; one side of the supporting ring is fixedly connected with a pull rod; the supporting ring is provided with a drying container; the top end of the drying container is provided with a shielding mechanism. The utility model is provided with a supporting ring, a limiting ring, a sliding rod and a pull rod structure can realize through the pull rod drives the supporting ring to move along the sliding rod; the supporting ring drives the drying container fixedly connected with the limiting ring to move up and down through the limiting ring, so as to realize convenient and stable placing and drying container.