Continuous caster from Siemens commences operation at Jindal Steel & Power
- Annual production capacity is 1.5 million metric tons of slabs
- Continuous caster produces primary material for wide strip mill supplied by Siemens
- Production focuses on sheet metal and tube grades
At the Angul plant of the Indian steel producer Jindal Steel & Power Ltd. (JSPL), a single-strand continuous casting machine from Siemens Metals Technologies commenced operation in August. The caster has a designed annual capacity of 1.5 million metric tons of slabs. It produces a broad range of grades that extends from ultra-low-carbon (ULC) to high-carbon (HC) steels and also encompasses microalloyed and low-alloy steel grades. One focus is on production of primary material for sheet metal and tube grades on a wide strip mill also supplied by Siemens.
The continuous caster is part of an integrated steelworks in Angul in the federal state of Odisha and is to produce around six million metric tons of steel per year. The caster is equipped with a straight mold and has a machine radius of 10 meters. Slabs will be cast at thicknesses of 200, 260 and 300 millimeters and in widths from 1,000 to 2,300 millimeters. Cut-slab lengths will range from 4.5 to 12 meters. Siemens was responsible for the design of the overall plant and its mechanical equipment, for monitoring installation and commissioning and also for training the customer's personnel. The scope of delivery also included the complete process equipment. This includes essential parts of the casting platform, the mold and oscillator, the strand-guiding system and discharge facilities in addition to the torchcutting machine, deburrer, marker, roll-gap checker and pusher/piler. The project also includes electrics, hardware and software for level 1 automation and level 2 process optimization as well as hydraulic, lubrication and cooling systems.
A wide range of technological packages and special equipment items have been installed in the caster to ensure high machine performance, operational flexibility and product quality. Beginning with the machine head, the LevCon system provides automatic and precise mold-level control. Mold Expert serves the purpose of early break-out protection. The so-called Smart Mold in combination with DynaWidth technology, enables the narrow sides of the mold to be hydraulically moved which, allows slab width adjustments to be carried out during casting. On-line adjustment of the mold-oscillation parameters for improved strand-surface quality is made possible with the DynaFlex oscillator.
I-Star rollers installed throughout the strand-guiding system provide strand-shell support for minimized strand bulging. An integrated quality management system further contributes to the consistent production of high-quality slabs. Dynacs, a level 2 secondary cooling model, calculates the strand temperature profile and the required cooling water quantities for any position along the strand. High internal strand quality will be assured with the installation of Smart Segments and the application of DynaGap Soft Reduction in the horizontal zone of the caster. On the basis of the Dynacs-calculated point of final strand solidification, the roller-gap settings will be automatically controlled to minimize centerline segregation.
Jindal Steel and Power Limited, part of the Jindal Group, is one of the largest steel manufacturing companies in India. The company has an installed capacity of more than six million tons of steel per year. Products comprise billets, blooms, rounds, plates, coils and rails.
Further information on solutions for steel works, rolling mills and processing lines can be found at www.siemens.com/metals.
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The Siemens Industry Sector (Erlangen, Germany) is the world's leading supplier of innovative and environmentally friendly products and solutions for industrial customers. With end-to-end automation technology and industrial software, solid vertical-market expertise, and technology-based services, the Sector enhances its customers' productivity, efficiency, and flexibility. With a global workforce of more than 100,000 employees, the Industry Sector comprises the Divisions Industry Automation, Drive Technologies and Customer Services as well as the Business Unit Metals Technologies. For more information, visit www.siemens.com/industry
Siemens VAI Metals Technologies GmbH & Co
The Metals Technologies Business Unit (Linz, Austria), part of the Siemens Industry Sector, is one of the world's leading life-cycle partners for the metals industry. The Business Unit offers a comprehensive technology, modernization, product and service portfolio as well as integrated automation and environmental solutions covering the entire life cycle of plants. For more information, visit www.siemens.com/metals
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