The utility model relates to the improvement of a temperature oxygen measuring and carbon sampling sensor used for melting steel, in particular to the melting steel in the vacuum induction furnace.

本实用新型涉及用于钢液，尤其是用于真空感应炉内钢液所用的测温定氧、定碳取样传感器的改进。

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Most of the steel for line pipe is made by open-hearth, electric furnace, and basic-oxygen processes.

大部分建管道用管子的钢材由平炉、电炉和碱性顶吹转炉生产。

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The following two methods can be chosen according to the steel sorts to be melted, furnace sizes and other equipment conditions. One is carbon powder and coke injection, with rich-oxygen injection an…

可根据冶炼钢种，炉子大小及设备条件，分别选用配料加焦、喷碳、富氧、长弧法或全程喷碳、富氧、长弧法。

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