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吉林铁合金厂于1972年初,在2250KVA 真空电阻炉上,安装了一组经过改装的五级蒸汽喷射泵,用于铬铁真空固态脱碳。两年来,连续运行的实践证明,蒸汽喷射真空泵具有一些优点,对于要求低真空度,大抽气量及排出的炉气含有大量金属粉尘的真空固态脱碳工艺是适用的。现将五级蒸汽喷射真空泵改装、检试及用于铬铁真空吲态脱碳工艺的情况介绍于后。一、五级蒸汽喷射真空泵的改装2250KVA 真空电阻炉配用的五级蒸汽喷射真空泵,原为 ZPB30.3/4——Ⅰ型,
Jilin Ferroalloy Plant in early 1972, 2250KVA vacuum resistance furnace, installed a modified five-stage steam jet pump for ferrochromium vacuum solid-state decarbonization. For two years, continuous operation proved that the steam jet vacuum pump has some advantages and is suitable for the vacuum solid state decarburization process which requires low vacuum degree, large suction volume and exhausted furnace gas containing a large amount of metal dust. Now five steam jet vacuum pump modification, testing and for the ferrochrome vacuum indacene decarburization process introduced later. First, the five steam jet vacuum pump modification 2250KVA vacuum resistance furnace equipped with five steam jet vacuum pump, formerly ZPB30.3 / 4 - Ⅰ type,