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以往用高温计检测出的炉内钢坯温度,实际上并不直接反映钢坯的温度,而是炉内加热的钢坯、炉气和炉体三者温度的综合。这样控制钢坯加热温度很不精确,会造成不必要的燃料浪费。最近国外研制出能排除炉气和炉体干扰的直接反映钢坯表面混度的测温系统,在板材和线材轧制上使用。美国伯利恒钢公司和兰德仪表公司共同在伯恩斯港厂和雀点厂的加热
In the past, the pyrometer billet temperature detected by the pyrometer did not directly reflect the temperature of the billet but the temperature of the billet heated by the furnace, the furnace gas and the furnace. This control of billet heating temperature is very inaccurate, will cause unnecessary fuel waste. Recently developed to exclude the interference of furnace gas and furnace billet surface directly reflect the temperature mixing system used in sheet and wire rolling. United States Bethlehem Steel Company and Rand Instrument Company common in Burns Port and Finch plant heating plant