Production method of nanometer submicron spherical silicon powder
A production method and technology of spherical silicon, applied in the fields of nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., can solve the problems of high cost, low production efficiency, large pollution, etc., to achieve increased output and moderate investment , the effect of reducing energy consumption
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[0026] The present invention will be further described below in conjunction with non-limiting examples.
[0027] Embodiment: select 6N polysilicon block material or polysilicon leftovers, select materials, wash, dry, crush and grind or directly select silicon powder as a by-product of polysilicon production. Vacuumize the spherical silicon powder production device, then fill it with argon, and continuously send the material to the melting furnace for high-temperature melting through the conveying pipeline, and the silicon liquid flows into the laser gasification platform, and the laser generator is turned on to focus the laser on the molten silicon for radiation heating , so that the silicon material quickly reaches the boiling point temperature above 2355 ° C and begins to gasify into silicon vapor. The gasification speed of the material is adapted to the feeding speed to form a continuous gasification process. The silicon vapor is quickly pushed away from the gasification po...
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