PLASMA SPRAYING DEVICE AND THERMAL-SPRAYING MACHINE FOR REPAIRING LINING OF INDUSTRIAL KILN

摘要

PURPOSE:To obtain a plasma spraying device capable of applying stable and various thermal sprayings over a large area and capable of efficiently conducting thermal spraying using a DC power source such as a battery. CONSTITUTION:This device consists of switching circuits 21a-21c having positive and negative contacts connected to a DC power source 1 and saturation reactors 22a-22c and is provided with DC/AC converter parts 2a-2c, a control circuit 31 for opening, closing or successively switching the switching circuit with a specified time difference and a power unit 100. The polyphase output is impressed on a plasma spraying part 300.