Patent ID: 9738525
Date: 2017-08-22
CPC Classifications: B01J,C01B

Claim:
1. A production system for vapor-grown carbon nanofibers, the production system comprising: a vertical tubular reactor having a reaction gas inlet, a carrier gas inlet and a product outlet, wherein the reaction gas inlet and the carrier gas inlet are located on a top of the vertical tubular reactor, and the product outlet is located at a bottom of the vertical tubular reactor; an anti-adhering coating covering an inner wall of the vertical tubular reactor; a heater disposed adjacent to an outer wall of the vertical tubular reactor; a sedimentation device, comprising: a product catching portion connected and communicating with the vertical tubular reactor, the product catching portion having a dispersant and water inlet, and a fiber suspension outlet; and a tapered portion connected and communicating with the product catching portion; a fiber suspension collecting device connected to the fiber suspension outlet; a centrifuge connected to the fiber suspension collecting device, the centrifuge having a wet fiber outlet; a dryer connected to the wet fiber outlet, the dryer having a dry fiber outlet; and a graphitization furnace connected to the dry fiber outlet.