Technological method and device for preparing high-purity spherical superfine/nanoscale powdered materials in plasma atomization mode
A technology of nano powder and process method, applied in the direction of nano technology, which can solve the problems of low chemical purity, particle size not reaching ultrafine and nano level, high production cost, etc., and achieve the effect of high purity and concentrated particle size distribution
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[0013] Specific embodiment: Process method and equipment for producing high-purity ultrafine metal Ti-6Al-4V (TC4) spherical powder using coiled wire raw materials.
[0014] 1. Establish a plasma atomization equipment system. The whole system is mainly composed of 60kw plasma power supply, 2 symmetrical plasma moments 2, argon gas source, atomization tower 7, vacuum system 3, roller metal coil wire conveying system 1, gas powder Separation system, powder collection system, gas purification and recycling system, etc.; the symmetrical plasma rectangle forms a high-temperature plasma concentration focal zone 6, see figure 1 .
[0015] 2. In order to prevent the titanium alloy material from oxidizing during heating, first extract the air from the atomization tower and pass in the protective cooling argon gas.
[0016] 3. Select commercialized 5mm Ti-6Al-4V (TC4) coiled wire, and send it to the focal area of high temperature argon plasma through the metal coiled wire conveying s...
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