Additionally taking into account costs of electricity, consumption rate of electrodes and refractories, all strongly influenced by scrap quality, the importance of scrap becomes ever more evident.
Despite being aware of quality scrap significance; many steel producers suffer from unsatisfying low liquid yields of their melt shops. As a result, liquid yields in the range of 86-90% are very common. If the scrap used in steel production was pure ferrous material, these rates would be significantly higher. In reality, however, scrap quality, especially quality of sheared scrap, varies by current market situation, origin and size-reduction treatment. Scrap quality is reduced by impurities such as waste content, rocks and non-ferrous metals. To ensure scrap quality in the long-term we provide field-tested and proven mechanical cleaning of HMS and sheared scrap at the steel plant.
Currently available solutions are not suited to meet the requirements of steel producers in terms of throughput capacities, performance consistency as well as separation of magnetic impurities. Even the replacement of such installed systems is highly profitable and is characterized by a short pay-back-period.
With the SICON HMS-Cleaning System we have developed a solution exactly tailored for steel producers: throughput of more than 200 tons per hour without efficiency loss. Our system has already undergone 2 years of field operation and exceeded all expectations. Cleaning effects of the system are significantly better due to a combination of a specially designed HMS-cleaning screen and a permanent magnetic drum, the SICON MagSpin. The MagSpin outperforms any electromagnetic drum and eliminates problems related to electromagnets such as reduced performance over the length of operation time. As a result the HMS Cleaning System can easily be operated in a multiple-shift operation without fluctuations in the final scrap quality.
To sum it up, SICON offers THE solution sought after by steel producers for HMS and sheared scrap cleaning. Steel producers are enabled to meet their high performance requirements and achieve significant increases in melt shop efficiency.
The SICON HMS cleaning system is available in different throughput sizes in the range of 50 to 300 tons per hour. Each system is individually customized to fit specific customer requirements and operation environment. On average, a 5-8% Liquid Yield improvement can be achieved thru the installation of the SICON System. Further, the reduction in operating costs as previously described (electrodes, refractories, electricity) in combination with the increase liquid yield results in payback periods less than 10 months for the system. Additionally, it is possible to further separate the non-ferrous metals and unlock an additional revenue stream. The SICON Team actively provides support thru each step of the project and offers a wide range of cutting edge technology for the separation and recovery of the separated non-ferrous metals and residue.
SICON is a multi-national equipment engineer and plant building company headquartered in Hilchenbach, Germany. The company focusses on providing cutting-edge technology and solutions to optimize scrap utilization in the EAF-steel production. For more than 20 years SICON has been actively developing and realizing innovative projects in the scrap processing and its affiliated industries.Click here for more information about SICONClick here for related articles online
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