Device and production process for preparing boron nitride nanotube based on plasma method

The invention discloses a device for preparing boron nitride nanotubes based on a plasma method. The device comprises a precursor pretreatment module, a feeding module, an induction plasma module, a reaction chamber module, a connecting module, a collecting and filtering module, a pressure control module, a cooling system centralized control module, an electricity and gas centralized control module, a gas supply module and a rack and platform module, the precursor pretreatment module, the feeding module, the induction plasma module, the reaction chamber module, the connecting module, the collecting and filtering module, the pressure control module, the cooling system centralized control module, the electricity and gas centralized control module and the gas supply module are mounted on the rack and platform module; the production process of the device for preparing the boron nitride nanotube based on the plasma method comprises five steps. According to the method, the particle size and distribution of the prec