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Jewett, TX, United States

Drymalla M.,Nucor Steel Texas | Spece A.,Nucor Steel Texas | Prior C.,Nucor Steel Texas | Rappolee D.,Nucor Steel Texas | Preis F.,Airstream Systems Inc.
Iron and Steel Technology | Year: 2014

Nucor Steel-Texas (NS-TX) replaced its meltshop bag- house fan blades with higher-efficiency, backward-inclined blades in March 2012, and resulted in significant operating cost savings, along with increased flow, decreased fan wear, minimal housing modifications, reduced power consumption and less maintenance. The meltshop and baghouse at NS-TX was designed, constructed and installed between 2002 and 2004. The meltshop was designed for a single 100-ton, AC power and eccentric bottom tap (EBT) electric arc furnace (EAF) with a twin ladle metallurgical station (LMS). The LMS contains a single set of rotating electrodes with dual stirring and alloy handling capability. The baghouse is a positive-pressure, reverse-air-style baghouse. The air flowrates are controlled by dampers at the inlet of each fan. To maintain minimum air flow, these dampers were set between 95% and 98% of the motors' full load amperes (FLA). Source

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