▎ 摘　　要

NOVELTY - Ceramic dewatering element comprises 93-99 pts. wt. carborundum superfine powder, 1-5 pts. wt. superfine boron carbide powder, 1-5 pts. wt. nano-sized titanium boride, 0.1-1 pts. wt. graphene aqueous solution, 8-15 pts. wt. water soluble phenolic resin, 5-10 pts. wt. high-efficiency dispersant and 1-5 pts. wt. blank reinforcing agent. USE - Ceramic dewatering element. ADVANTAGE - The ceramic dewatering element has improved safety and convenience, reduced production cost, uses small amount of nano-sized titanium boride to make internal optimization, and has improved performance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for producing ceramic dewatering element, which involves: (A) grinding ultrafine carborundum superfine powder, superfine boron carbide powder, nano-sized titanium boride, graphene aqueous solution, water soluble phenolic resin, high-efficiency dispersant and blank reinforcing agent, using deionized water as liquid medium, adding water in self-circulation mixing mill having grounded material and grinding for 6-20 hours, using silicon carbide ball as grinding medium having slurry solid content of 40-50 wt.%, mixing obtained slurry in mixing Barrel for 2 hours, adding high efficiency dispersant to remove bubbles from slurry to obtain mixture; (B) subjecting spray granulation of obtained mixture by spraying mixture into centrifugal granulation column, controlling the speed of the atomization disk, inlet air temperature, outlet air temperature and feed rate to obtain granulated powder with good particle shape, good fluidity and narrow particle distribution range, where atomization disk has centrifugal frequency of 26-32 degrees C, inlet temperature of 150-220 degrees C, outlet temperature of 80-110 degrees C and pressure of 40-60; (C) placing granulated powder in a cemented carbide mold to be compacted to obtain molded material, and subjecting pressing of obtained material to obtain pressed material, where pressing method uses vertical pressure of 1500-2000MPa; (D) drying pressed material into drying oven, and subjecting curing according to set curing curve to obtain cured material having good strength; and (E) placing cured material in graphite crucible, placing graphite crucible in a high-temperature vacuum sintering furnace at 2100-2250 degrees C for 1-4 hours to obtain final product.