▎ 摘　　要

NOVELTY - The utility model claims a special mortar additive adding device for graphene floor heating, comprising a shaft cylinder, the top end of the shaft cylinder is provided with an inner cylinder cavity, the cavity bottom of the inner cylinder cavity is provided with a spring, the top end of the shaft cylinder is slidingly installed with a shaft rod, the top end of the spring is propped against the shaft rod, the bottom end of the spring is propped against the cavity bottom of the inner cylinder cavity, the top end of the shaft rod is vertically and fixedly installed with a containing frame, the top end of the containing frame is provided with a containing cavity through the bottom end, the cavity bottom of the containing cavity is embedded and fixed with a filter screen, the lower bottom of the shaft cylinder is provided with a base, when the agglomerated additive falls into the filter screen, it will impact the filter screen, and the filter screen vibrates up and down, so as to again impact with the agglomerated additive, the agglomeration additive is forced to crush and reduce the volume, the mixing effect of the additive and the mortar is improved, the shaft cylinder is set to be the mounting way capable of horizontally rotating angle, and the outer part of the shaft cylinder is screw thread with a bolt, the bolt is propped against the shaft cylinder, so that the shaft cylinder is limited and fixed, It is convenient to use the rotating angle of the filter screen.