Preparation method of high-quality copper powder
A high-quality, copper powder technology, applied in metal processing equipment, transportation and packaging, etc., can solve problems such as uneven copper powder quality, achieve strong practicability, stabilize bulk density and fluidity, and reduce bridging Effect
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[0028] A kind of preparation method of high-quality copper powder provides and comprises the steps:
[0029] The first step is to put the copper plate into the melting furnace for melting until it becomes copper water;
[0030] In the second step, the copper water is poured into the insulation leakage bag for atomization treatment to generate copper powder;
[0031] In the third step, the copper powder is sequentially dehydrated and dried, reduced and crushed, and screened;
[0032] In the fourth step, the finished product inspection is carried out on the copper powder after sieving.
[0033] In one embodiment, the smelting equipment includes a power frequency cored smelting furnace and an intermediate frequency cored smelting furnace, and the temperature is 1150°C to 1200°C. The atomization treatment is water atomization, the atomization time is no more than 50 minutes, and the atomization pressure is 12MPa to 14MPa; the equipment for the atomization treatment includes a hi...
Embodiment 1
[0045] see figure 1 , this example provides a preparation method of high-quality copper powder, including:
[0046] The first step is to put the copper plate into the melting furnace for melting at 1150°C until it becomes copper water;
[0047] In the second step, the copper water is poured into the thermal insulation leakage bag and atomized under the atomization pressure of 12MPa to generate copper powder;
[0048] In the third step, the copper powder is sequentially subjected to dehydration and drying treatment, screening treatment 1, reduction and crushing treatment, and sieving treatment; the temperature of the dehydration and drying treatment is 140 ° C, and the time is 100 minutes; during the drying process In the 40th minute and the 70th minute, the material was turned once, and then dried for 30 minutes; the sieving process was filtered using a 100-mesh screen; the reduction and crushing included reduction sintering and crushing, and the speed of the reduction sinterin...
Embodiment 2
[0053] see figure 1 , this example provides a preparation method of high-quality copper powder, including:
[0054] The first step is to put the copper plate into the melting furnace for melting at 1200°C until it becomes copper water;
[0055] In the second step, the copper water is poured into the thermal insulation leakage bag and atomized under the atomization pressure of 14MPa to generate copper powder;
[0056] In the third step, the copper powder is sequentially subjected to dehydration and drying treatment, screening treatment 1, reduction and crushing treatment, and sieving treatment; the temperature of the dehydration and drying treatment is 200°C; Turn the material once in the 80th minute, and then dry for 20 minutes; the sieving process uses a 100-mesh sieve to filter; the reduction and crushing includes reduction sintering and crushing, and the speed of the reduction sintering is 200mm / min. The thickness of the sintering is 30 mm, and the temperature of the redu...
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