Plasma Torch Device Using Moving Magnets

摘要

The present invention provides a plasma torch device. The device comprises a front electrode, a back electrode and a vortex flow generator. The torch roots of the back electrode are moved by fixed magnets. By controlling the magnets coordinated with vortex air flow, the torch roots are moved back and forth periodically on inner surface of the back electrode. The torch roots do not stay at the same place for long for preventing increasing local heat burden of the electrode. Thus, life time and maintenance cycle of the electrode is prolonged with reduced operational cost of plasma torch and enhanced reliability of the device.