Ferrite slurry containing colemanite and preparation method thereof
A technology of colemanite and ferrite, applied in the field of slurry for ferrite production, can solve problems such as cracks in finished products, achieve high pass rate, improve uniformity and stability, and low product cracking rate Effect
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Embodiment 1
[0017] The present embodiment ferrite slurry contains 1.5 kilograms of powdery colemanite and 798.5 kilograms of iron red particles;
[0018] The preparation method is:
[0019] Put 1.5 kg of powdered colemanite and 798.5 kg of iron red particles into the QM2000×2800 ball mill, and the speed of the ball mill is controlled at 20 rpm. During the ball milling process, the powdered colemanite and ferrite particles are mixed evenly. The material temperature is 50°C, ball milled for 9 hours, and it is ready.
[0020] According to the known ferrite production process: the ferrite slurry obtained in this embodiment is inspected, ball milled, precipitated, formed, dried, sintered, ground, cleaned, visually inspected, packaged, and put into storage.
[0021] A total of 15,520 pieces of ferrite blanks were molded. After high-temperature sintering, grinding, cleaning, and appearance inspection, they were processed into 14,558 pieces of 550 qualified products, 962 pieces of unqualified pr...
Embodiment 2
[0023] The present embodiment ferrite slurry contains 2 kilograms of powdery colemanite and 798 kilograms of iron red particles;
[0024] The preparation method is:
[0025] Put 2 kg of powdered colemanite and 798 kg of iron red particles into the QM2000×2800 ball mill. The speed of the ball mill is controlled at 20 rpm. During the ball milling process, the powdered colemanite and ferrite particles are mixed evenly. The material temperature is 50°C, ball milled for 11 hours, and it is ready.
[0026] According to the known ferrite production process: the ferrite slurry obtained in this embodiment is inspected, ball milled, precipitated, formed, dried, sintered, ground, cleaned, visually inspected, packaged, and put into storage.
[0027] A total of 15,340 pieces of ferrite blanks were molded. After high-temperature sintering, grinding, cleaning, and appearance inspection, they were processed into 14,343 pieces of 550 pieces of qualified products, 997 pieces of unqualified pro...
Embodiment 3
[0029] The present embodiment ferrite slurry contains 5 kilograms of powdery colemanite and 795 kilograms of iron red particles;
[0030] The preparation method is:
[0031] Put 5 kg of powdered colemanite and 795 kg of iron red particles into the QM2000×2800 ball mill. The speed of the ball mill is controlled at 22 rpm. During the ball milling process, the powdered colemanite and ferrite particles are mixed evenly. The material temperature is 50 ℃, ball milled for 12 hours, and it is ready.
[0032] According to the known ferrite production process: the ferrite slurry obtained in this embodiment is inspected, ball milled, precipitated, formed, dried, sintered, ground, cleaned, visually inspected, packaged, and put into storage.
[0033] A total of 15,650 pieces of ferrite blanks were formed. After high-temperature sintering, grinding, cleaning, and appearance inspection, they were processed into 14,742 pieces of 550 qualified products, 908 pieces of unqualified products, and...
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