ArcSave increase efficiency for Chinese steel producer

ABB has been chosen to supply its patented ArcSave® electromagnetic stirrers as part of a substantial refit at Chinese iron and steel producer Guangdong Nanfang Donghai’s steelmaking plant in Guangdong Province, southern China. 
The order comprises two ArcSave systems for use with two new electric arc furnaces (EAF). ArcSave will be delivered as part of the contract between Tenova and Guangdong Nanfang Donghai, within Tenova’s Consteerrer® concept, an innovative solution consisting of Consteel® EAF and ABB ArcSave electromagnetic stirrer. Commissioning is planned for October 2021.
ArcSave improves the melting of large scrap items, reducing stratification via forced convection and leaving no dead zones in the melt. This improves furnace operation by helping to maintain an even temperature and homogenizing chemical composition, while accelerating scrap and ferroalloy melting compared with natural convection alone.
ArcSave also helps reduce environmental impact by lowering electricity usage and process additions such as alloys and lime, and consumables such as electrodes.
Typically, ABB’s ArcSave can improve yield by around 1%, with productivity improvements of between 5 and 7%. The solution also reduces the consumption of electrical energy by 3 to 5%.
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