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Screening Processes Optimized in Hot Briquetted Iron Applications

Hot Briquetted Iron (HBI) can form part of steelmaking and hot metal handling, as a source of obtaining clean iron and enabling the production of high-quality steel in a much more environmentally friendly manner. The integration of Hot Briquetted Iron ensures low carbon dioxide emissions and depending on the application, can also increase productivity.

Optimizing screening processes on Hot Briquetted Iron plants, is an area of expertise for Schenck Process, who for a number of years has very successfully supported an engineering and plant construction company (EPC), and world leader in metallurgical plant solutions. The client of Schenck Process supplies across the entire value chain from raw materials to the finished product and approached Schenck Process with their requirement for screening equipment and accessories at a new Hot Briquetted Iron (HBI) plant. 

The customer had unique, specific design demands based around their limited space and extreme operating conditions. With 7 briquetting lines needed within the plant, they were focused on achieving an easily managed, reliable solution to be delivered and installed in a timely manner.

Schenck Process worked in close partnership with the customer taking a design-led approach to supply a complete modular screening solution, whilst also meeting the complex expectations of their client’s end user. Having worked with Schenck Process previously over a number of years on other sites, they knew that they could have complete confidence in the proposal. Schenck Process’s shared history has enabled both businesses to work together, communicating requirements and learnings to optimize screening machines over time. The proven technology has been in operation with the client since 1985 and the wealth of expertise offered by Schenck Process allows their specialist team to provide effective solutions to even the most difficult challenge.

CUSTOMERS BENEFIT FROM UNIQUE TECHNICAL EXPERTISE

The plant construction was flexible and the installation could be done on demand due to the ‘plug and play’ nature of the screening equipment. Due to a number of challenges with space on site it was imperative that the screening equipment was easy to handle during the plant erection to alleviate any downtime. As everything was preinstalled it was simple for the client to lift the package in place with only a few points to connect. Our ability to analyze the customer requirements in advance meant that we were able use the modular system design effectively to support this process, a success that will be utilised in future projects.

The Schenck Process name is synonymous with well-engineered measuring and screening technology. For their client, understanding this from previous projects, alongside the product reliability Schenck Process offer, was a major deciding factor for the continued partnership and supply of screens into the new plant. The simplicity of Schenck Process modular screening solutions meant that the process was not overengineered, leaving less room for user error. By installing each complete Screening unit within a frame, including all of the accessories listed below, Schenck Process were able to overcome any obstacles that could appear during installation and subsequently the operation of the system,

  • isolation frame
  • dust cover
  • discharge chute
  • cabling / hydraulics

EASY MAINTENANCE UNDER HARSH CONDITIONS

Schenck Process’ unparalleled reliability and proven technology in Screening, is designed to withstand thermal expansion and high abrasiveness of the feed material. With temperatures reaching 750°C the machinery has to be able to endure a challenging environment without compromising on quality.

The quality of the Schenck Process LinaClass SLH vibrating screens fulfilled all of the customer requirements and more. They were able to handle large quantities of materials and classify them to a high degree of accuracy.  With screens and screening panels that are customized for each project Schenck Process can ensure a durability that accounts for all environmental considerations. 

The design and supply of mobile maintenance cars means that the customer is able to complete tasks such as removing and inserting the trough without moving the screen or dust hood. Developments like this, ease the maintenance burden, significantly reducing downtime. The need for the continuity of performance in a demanding environment demonstrates that constant support from Schenck Process is invaluable in guaranteeing production stays on track across mineral processing sites.

Linear Vibrating Screen for Mineral Processing in Mining LinaClass

COMMITMENT TO COMPLIANCE AND ENVIRONMENTAL EFFICIENCIES 

Hot Briquetted Iron has many environmental and cost benefits.  The reduction in CO² released into the atmosphere as a result is substantial and is necessary to support the increased stringency required in crude steel production processes.  With less overall consumption needed in Hot Briquetted Iron, it is the most environmentally friendly method of obtaining iron from ore. Combined with a future switch to hydrogen, the process will become increasingly clean and of huge benefit to both the customer and the environment.

The ability to deliver high quality, reliable mineral processing equipment to support any scenario, combined with extensive know-how is what makes Schenck Process a market leader in mineral processing industries. Their consultative approach to the unique challenges of their customer meant that they were able to deliver the 7 briquetting lines quickly and effectively, resulting in a plant reliably running at its required capacity within the established timelines.

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