简要地介绍了近几年来国外等离子技术的开发研究情况和发展现状。在过去几年里，等离子技术中最显著的变革，是用石墨燃炬代替铜燃炬和钨燃炬，石黑燃炬较水冷金属燃炬更安全，并且减少了冷却水的损耗和维护燃炬的费用，使石墨燃炬的工作成本低于其它燃炬。此外，由于等离子技术能够提供充分燃烧和高温反应，因此，等离子技术的应用及其各种工艺流程也得到不断发展。 Briefly introduced in recent years foreign plasma technology research and development status and development. The most significant change in plasma technology over the past few years has been the replacement of copper and tungsten torches with graphite torches, which are safer than water-cooled metal and reduce losses and maintenance of cooling water The cost of the torch makes the work cost of the graphite torch lower than that of other torches. In addition, the use of plasma technology and its various processes has also been evolving as plasma technology provides adequate combustion and high temperature reactions.