Continuous production apparatus for nano metal powder
A nano-metal powder and production equipment technology, which is applied in the preparation of nano-metal compounds and coated nano-metal powders, in the field of nano-metal powders, can solve the problems of poor purity of nano-metal powders, low equipment yields, and small temperature gradients. problems, to achieve the effect of improving the scope of application and market competitiveness, increasing reliability and stability, and reducing particle size
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Embodiment 1
[0066] Embodiment 1: Table 1 is the preparation experiment result of the nano Ni powder of the equipment of the present invention, compared with traditional equipment, the maximum productive rate of single gun nano Ni powder has improved 25 times.
[0067] Table 1 Experimental results of preparation of nano-Ni powder
[0068]
Embodiment 2
[0069] Example 2: Table 2 shows the experimental results of the preparation of nano-Cu powder of the equipment of the present invention. Compared with traditional equipment, the maximum yield of single-gun nano-Cu powder is increased by 204.7 times.
[0070] Table 2 Experimental results of preparation of nano-Cu powder
[0071]
Embodiment 3
[0072] Embodiment 3: the preparation of highly uniform elemental mixed nano-copper-nickel composite powder, according to the following process parameters: H 2 / Ar=2 / 8, pressure=0.06MPa, electric current: 350A (nickel pole) and 300A (copper pole), the productive rate of Cu, Ni composite powder prepared by two guns is 75.1g / h, makes the powder body The average particle diameter is 54nm.
[0073] There are still many specific examples of the device of the present invention, which will not be repeated here.
[0074] The working process of the present invention is: open electrical control and pressure monitoring system:
[0075] 1. Put the metal material into the raw material storage and water-cooled crucible, purify and seal the working room, and obtain the vacuum measurement system to work to the set vacuum degree (2×10 -3 Stop after Pa);
[0076] 2. The inflation system works and fills in the selected gas (filling with Ar gas and H 2 air to 0.1-0.9 atmospheres), and hold aft...
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