Grinding medium
A technology of grinding media and spheres, which is applied in the field of grinding materials, can solve problems such as rarely used, and achieve the effect of improving grinding efficiency and increasing shear area
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Embodiment 1
[0026] Making Grinding Media by Injection Molding
[0027] Use 3 moles of yttrium oxide zirconium produced by Hubei Xitian Technology Co., Ltd., and mix according to the ratio of powder: glue = 80:20. After mixing evenly, extrude it into a 5mm grinding medium mold through a screw extruder to form, and demould After dewaxing, finally calcined at 1450°C for 3 hours to obtain 5mm football-shaped zirconia balls.
Embodiment 2
[0029] Making Grinding Media by Casting
[0030] Configure the gel component according to the mass ratio of water: polyacrylamine: N'N-methylenebisacrylamide = 120:15:1, and adjust the pH to 9.6. After stirring for 30 minutes, the solid content is 50%. Add 3 moles of yttrium zirconium oxide produced by Hubei Xitian Technology Co., Ltd., grind and disperse, add 3 / 1000 ammonium persulfate and a few drops of n-butanol, discharge while ball milling, inject into a 5mm mold and heat to 60°C After heat preservation for 20 minutes, the mold was removed, dried in the shade for 48 hours, and then calcined at 1450° C. for 3 hours to obtain 5 mm football-shaped zirconia balls.
[0031] The grinding media produced by the present invention can be used in roller mills, stirring mills, planetary mills, basket mills, sand mills and other mills as grinding media for grinding dispersed materials. Compared with traditional grinding media, the grinding media of the invention has high and uniform ...
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