The invention discloses a preparation method of a
ceramic grinding body for
gypsum grinding. The preparation method comprises the following steps of a, selecting the
powder, using BaO (
barium oxide),TiC (
titanium carbide), Mo2C (
molybdenum carbide), ZrO2 (
zirconium dioxide), Cr2C3 (
Chromium carbide) and TaC (
tantalum carbide) as the raw materials, preparing
acetic acid with concentration of 80% to 90% as a
solvent, pouring into the raw materials, mixing with the raw materials, fully impregnating for 3 to 6h, mixing, and controlling the time within 0.5h, so as to obtain a
grinding medium; b,
drying the raw materials in step a, mixing with
coke, selecting spheres, and fully grinding, wherein the ratio of spheres to material is 3:5, the rotation speed of sphere grinding is 300 to 450rpm, andthe duration of sphere grinding is 30 to 48h; c, screening the mixture after sphere grinding, wherein the
sieve hole is 50 to 150 meshes; d, putting the screened mixture into a die, and pressing intothe blank at the pressure of 350 to 550MPa; e, heating the fetched blank, cooling the heated and formed blank,
cutting after cooling, grinding and
polishing. The prepared grinding body has higher
hardness and longer service life.