金属镁冶炼是近几年来国内发展最快的技术 ,金属镁及其合金已被广泛地应用于汽车、飞机、坦克、人造卫星和电子工业等领域。目前我国已成为世界上的产镁大国 ,至 2 0 0 2年国内镁产量已占世界总产量的 2 5 %～ 30 % ,并主要是出口。精炼锅是炼镁及其合金的主要器具。我国炼镁用 Magnesium metal smelting is the fastest growing technology in China in recent years. Magnesium and its alloys have been widely used in the fields of automobiles, aircraft, tanks, satellites and the electronics industry. At present, our country has become the world’s major producer of magnesium. By 2002, domestic magnesium production has accounted for 25% to 30% of the world’s total output and is mainly exported. Refining pot is the main equipment of magnesium and its alloys. Magnesium used in our country