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Hartland, WI, United States

Souronis W.,ArcelorMittal | Turner P.A.,Minco Midwest Instrument Co. Inc. | Rote R.,Minco Midwest Instrument Co. Inc.
AISTech - Iron and Steel Technology Conference Proceedings | Year: 2012

Improving the process precision of secondary metal refining can translate to higher quality of the end product and increased control of operating costs. Steel sampling plays an important role in the determination of alloy additions in the secondary metal refining process. At the ArcelorMittal #2 Steel Producing Ladle Metallurgy Facility, research has correlated sample preparation techniques and the accuracy of overall ladle and tundish sample analysis to the analysis of the final product. This revealed the need for a more precise, inert-atmosphere (argon) sampling process, provided by the MINCO ProAS system. This system provided a highly accurate sample by reducing sample oxidation and eliminating sample contamination, there-by allowing more precise control of end-product chemistry. Source


Janu D.C.,Minco Midwest Instrument Co. Inc. | Rote R.R.,Minco Midwest Instrument Co. Inc. | Junker T.W.,Minco Midwest Instrument Co. Inc.
Iron and Steel Technology | Year: 2011

Wireless technology has been implemented into steel mills for the use of sensor probes in molten steel. The system eliminates the conventional wires that transmit signals and has yielded improved safety, reduced costs, increased reliability and increased accuracy. Source


Janu D.G.,Minco Midwest Instrument Co. Inc. | Rote R.R.,Minco Midwest Instrument Co. Inc. | Junker T.W.,Minco Midwest Instrument Co. Inc.
AISTech - Iron and Steel Technology Conference Proceedings | Year: 2011

The initial installations of wireless technology have been implemented into steel mills for the use of sensor probes in molten steel. The system eliminates the conventional wires that transmit the signals between the pole used to measure temperature, oxygen and/or carbon in the steel and the instrument located in the pulpit. Likewise, the system eliminates the wires between the signal lights and remote scoreboards. The benefits seen thus far include: improved safety, reduced costs, increased reliability of measurements, increased pole life and increased accuracy of measurements. The wireless system can be installed at all locations where an existing measurement pole is used: BOF, Q-BOP, EAF, LMF, degasser, caster tundish, blast furnace, hot metal mixer. Source


Li Y.,United States Steel Corporation | Monson A.,United States Steel Corporation | Novotny J.,United States Steel Corporation | Rote R.,Minco Midwest Instrument Co. Inc.
Iron and Steel Technology | Year: 2010

The United States Steel Corporation has implemented Quick Direct Tap (QDT) practice in the BOP shop, which eliminates the need for turndown on 78% of the heats and further decreased the average oxygen-off to tap-start time to 6.2 minutes. The elimination of turndown through QDT would result in a greater reduction of temperature loss in the Q-BOP as compared to the reduction of temperature loss in the BOP. Temperature loss in the Q-BOP furnace after oxygen-off is aggravated by the continuous cooling from the non-stop flow of inert gases through the tuyeres in the bottom of the Q-BOP furnaces, not only during the rotation of the furnace to the turndown position, but also during the entire turndown period. The development of the QDT model consisted of prerequisites that involve the characteristics of the temperature increase with oxygen blown in the final portion of the blow and the cooling effect of coolant used in the shop. Source

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