▎ 摘　　要

NOVELTY - Special high activity tricalcium phosphate with enhanced whiteness brightness of fluorescent paint comprises 30-45 pts. wt. superfine tricalcium phosphate powder, 25-35 pts. wt. fluorescent powder, 10-20 pts. wt. organic high temperature resistant powder, 2-5 pts. wt. tackifier and 2-5 pts. wt. preservative. USE - Special high activity tricalcium phosphate with enhanced whiteness brightness of fluorescent paint. ADVANTAGE - The special high activity tricalcium phosphate with enhanced whiteness brightness of fluorescent paint effectively improves the high temperature resistant performance and adhesive performance, the preservative can improve the anti-corrosion performance of the fluorescent coating. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: 1. A method for preparing special high-activity tricalcium phosphate with enhanced whiteness brightness of fluorescent paint, which involves preparing superfine tricalcium phosphate powder, mixing the powdered rock phosphate, phosphoric acid, water according to the proportion in the horizontal double-shaft mixer to obtain granulation raw material, the concentration of phosphoric acid in the granulation raw material is not less than 85 %, the uniformity CV of the granulation raw material is not more than 4 %, the water content of the granulation raw material is 8-10%, conveying the granulating raw material to granulating disc to granulate by conveying belt, preparing into raw material particles, the grain diameter of the raw material particles is 2-5 mm, the water pressure of the granulating disc nozzle is 0.15 -0.25MPa, the grain diameter is 2-5 mm of the qualified raw material particles to the heating machine for heating, heating temperature is 1100-1400℃, heating time is 3-6h to prepare the tricalcium phosphate coarse material, grinding the tricalcium phosphate coarse material into tricalcium phosphate coarse particles by Raymond mill, where the coarse particle diameter of the tricalcium phosphate is 350-400µm, putting the tricalcium phosphate coarse particles into the cyclonic high pressure air flow crusher for crushing and grading, the pressure of the airflow crushing space-time gas is 0.75- 0.8Mpa, the air is sprayed to the crushing chamber through the supersonic nozzle of the cyclonic high pressure air flow crusher, the crushed material enters the classifier along with the rising air flow, the grading is performed at the grading frequency of the 60-65HZ grading to obtain superfine tricalcium phosphate powder with grain diameter of 2-3microns, preparing fluorescent powder, drying temperature is 95℃, n preparing the fluorescent component and matrix component into powder by a grinder according to proportion, the grain diameter is 10-15 microns, drying epoxy resin and acrylic resin by evaporating dryer, the drying temperature is 100℃, preparing into powder by a grinder, the grain diameter is 15-25 micron, preparing the preservative, preparing graphene oxide/polyaniline composite material and graphene oxide/cerium oxide composite material, adding distilled water, ultrasonically dispersing for 10-20 min, adding sodium borohydride into the solution, reacting for 5-6 hours at 100-110℃, after finishing reaction, filtering when it is hot, using deionized water and acetone to wash for multiple times, freezing and drying to obtain the graphene-based composite anticorrosive material, then preparing into powder by a grinder, the grain diameter is 10-15 microns, preparing high-activity tricalcium phosphate, taking superfine tricalcium phosphate powder, fluorescent powder, organic high temperature resistant powder and tackifier, adding preservative to the dry stirrer, and stirring uniformly, then mixing for 2-3 hours by ball milling way to obtain high active tricalcium phosphate. 2. A preparation device of special high-activity tricalcium phosphate with enhanced whiteness and brightness for fluorescent paint, which comprises machine shell, the machine shell is a horizontally arranged cylinder body, two side ports of the shell are fixed with a sealing cover through bolts, one side of the sealing cover is provided with a feeding hopper, the other side sealing cover is provided with a discharging hopper, the middle portion of the inner cavity of the shell is provided with a drying platform, the inner cavity of the shell and located above the drying platform is provided with a heating device. DESCRIPTION OF DRAWING(S) - The drawing shows a production process flow chart of high-activity tricalcium phosphate. (Drawing includes non-English language text).