Putting aluminum through the mill

2013-08-28 - Energy efficiency and productivity for a large-scale aluminum industry project in China.

By ABB Communications

ABB has been awarded contracts worth close to $60 million for the delivery of electric drives to the rolling mill manufacturer SMS Siemag AG, based in Germany. The order includes engineered drive packages for aluminum flat rolling mill complexes destined for China Zhongwang Holdings Ltd in Tianjin, near Beijing. China Zhongwang Holdings aims to complete its aluminum manufacturing facility and start producing with a production capacity of 1.8 million tons per year by 2015, and to increase overall capacity to 3 million tons per year by 2018.

In three stages ABB will deliver the complete drives technology for 14 rolling mills, which will be used to produce high-end aluminum flat rolled products used in the manufacture of aircraft, automobiles and cans. The hardware includes medium- and low-voltage drives, medium- and low-voltage motors, auxiliary control cabinets and spare parts. In addition, the customer will receive integration engineering services and documentation, installation supervision, commissioning and training.

The project contains three aluminum rolling mill complexes, each with a hot strip mill and two to five cold rolling mills. The deliveries will take place in several stages during 2013 and 2016 resulting in the total installed power of 650 megawatt (MW) medium-voltage drives and 170 MW of the low-voltage drives.

Over the years ABB has built a strong relationship with SMS Siemag going back more than a decade, which is part of the reason why ABB was chosen to supply the products. The other reasons were the support given during the sales phase of the project, which lasted more than one year, and ABB’s ability to deliver a packaged offer that includes all the products and services needed to successfully commission such a project.

SMS Siemag is one of the world's leading suppliers of rolling mills suitable for the manufacture of flat metal products. China Zhongwang Holdings Limited is the world’s second largest and Asia’s largest producer of industrial aluminum extrusion products.

Scope of ABB's supply:
– medium-voltage multi-drives to drive medium-voltage motors with a total installed power of 650 MW
– low-voltage multi-drives to drive low-voltage motors with total installed power of 170 MW
– 38 units of medium-voltage induction and synchronous motors for the cold rolling mills
– low-voltage process performance induction motors
– auxiliary control cabinets for the medium-voltage drives
– spare parts
– drive package periphery and integration engineering with documentation
– installation supervision
– commissioning
– onsite and offsite training

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