Patent ID: 8698383
Filing Date: 2014-04-15
Classification: H05H

Abstract:
1. An anode of an arc plasma generator, the plasma generator is a multi-stage gas admission type arc plasma generator, the plasma generator includes a cathode and an anode, the anode comprises at least two portions, wherein any two adjacent anode portions are connected electrically with one another, wherein there are provided gas guiding holes between any two adjacent anode portions, the gas guiding holes being tangential holes or holes that cause the direction of gas flow speed to possess tangential and axial vectors simultaneously, wherein end faces of the two adjacent anode portions adjoin and contact one another sufficiently, at the contact position, the diameter of the anode portion farther from the cathode is bigger than that of the other anode portion to form a flow guiding groove, introducing medium gas introduced by the gas guiding holes into the plasma generator in order, and wherein the flow guiding groove forms a channel along with an intracavity of the anode, in which the gas flow exported by the gas guiding holes goes forward spirally along the wall of the intracavity of the anode and an arc root is conveyed forward into the anode portion farthest from the cathode.