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西德坎塔尔公司研制出管式炉用新型高温加热元件。这是一个可移式二硅化钼加热元件,安放在用真空下变形的氧化铝陶瓷纤维作成的绝缘管的螺纹状刻槽里。尽管加热元件直接与陶瓷纤维接触,但仍可在高达1550℃下在空气中进行周期性或间断性操作。加热元件的内径为40、60、80、100和125毫米,最大长度为200毫米。绝热层厚度为25毫米,加热元件在操作时可以是水平的或垂直的,也可倾翻。这种管式炉主要应用在冶金、陶瓷和电子科研实验用炉上。
West Germany Kantar company developed a new high-temperature heating tube furnace components. This is a removable molybdenum disilicide heating element, placed in a vacuum under the deformation of alumina ceramic fibers made of insulating pipe threaded groove. Although the heating element is in direct contact with the ceramic fibers, it can be operated cyclically or intermittently in the air up to 1550 ° C. The heating elements have internal diameters of 40, 60, 80, 100 and 125 mm and a maximum length of 200 mm. The thickness of the insulation layer is 25 mm. The heating element can be horizontal or vertical during operation and can also be tipped over. This tube furnace is mainly used in metallurgy, ceramics and electronic research and experimental furnace.