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ABB to supply ArcSave electromagnetic stirrer as part of major Nippon Yakin modernization project

ABB ArcSave® patented technology to optimize efficiency, productivity and quality at Nippon Yakin steel plant in Kawasaki City, Japan.

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Leading Japanese steel producer, Nippon Yakin, has selected ABB to supply its patented ArcSave electromagnetic stirring technology as part of a major modernization project at its specialist stainless steel plant in Kawasaki City, Japan.

The order - comprising supply and commissioning of one complete ABB ArcSave system - will combine with a new, 70-ton electric arc furnace (EAF) to maximize performance as part of Nippon Yakin’s modernization project. The new furnace and stirrer are expected to be operational by early 2022.

Requiring no contact with the bottom of the EAF, ArcSave enhances stirring during the melting of large scrap items, reducing stratification via forced convection. This improves EAF operation by homogenizing temperature distribution and chemical composition, while speeding scrap and ferroalloy melting compared with natural convection alone.

Typically, ABB’s patented ArcSave technology can improve yield by around one percent, with productivity improvements of between five and seven percent. The solution also reduces consumption of electrical energy by three to five percent as well as use of process additions such as alloys and lime, and other consumables such as electrodes.

Anders Lehman, Vice President of ABB Metallurgy Products

“We have delivered many ArcSave systems worldwide and we look forward to using our accumulated experience and knowledge to help Nippon Yakin improve efficiency, safety and energy efficiency in the electric arc furnace process with our reliable and proven electromagnetic stirring solution.”

Your Challenges

  • Achieve a safer and more reliable process, increase productivity and yield while lowering operating costs.
Our Solution

  • Patented technology tailor-made to your process needs so that you get the most out of your EAF operation and save time, money and materials.
Features

    • Performance warranty guarantee

    • Very low stirring cost

    • Very low maintenance

    • Fully integrated & automated control system

Benefits
    • Productivity

    +5–7%

    • Total energy consumption

    -3–5%

    • Power-on time

    -5–7%

    • Iron yield

    1%

    • Lower alloy, lime, electrode and refractory consumption

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