DSF Refractories: Steel Industry

Refractories: Steel Industry

DSF supply a wide range of refractory products for the iron and steel industry, including high volume pressed brick, large tundish blocks and monolithic materials.

For decades the name DSF was not only synonymous with transfer/secondary metallurgy ladles, but also direct reduction. We were early suppliers to the unique process of steel making from ironsands (titanomagnetite) in New Zealand, a relationship that continues to this day. Globally steel manufacturers are looking to "Green" techniques and specifically direct reduction (solid state) of iron ore has taken centre stage as a path to decarbonization.

Reductants: a combination of CO and H₂, albeit the latter is perceived as the goal for decarbonisation, pose significant challenges for all refractories with reducible oxide contents. DSF are dedicated to research, evaluate and ultimately rank existing products for CO and H₂ soundness.

We have already established a baseline for pure corundum (DSF 99) in H₂ environs at 1600^oC, and further investigations are ongoing pursuing customer driven objectives to establish optimum linings.

We currently offer 45% alumina (DSF 45D), 70% alumina (DSF 70 MPF), 88% alumina (DSF 88 DR) and a mullite bonded corundum brick, DSF Fricor 95, for shaft/furnace linings, however we continue to develop high alumina derivatives combining reduction, hot abrasion resistance and naturally cost effectiveness.

In rotary kilns, DSF supply a high alumina material, DSF 72R, which has proven to significantly extend lining life. DSF 72R combines abrasion resistance, controlled expansion and CO₂ resistance, a unique set of properties to ensure longevity. In operation the DSF 72R lining becomes tight without the potential to spall.

In the developing refractory "landscape" of direct reduction, a step change of reduction resistance is required as H₂ levels increase. DSF is keen to participate in any direct reduction projects and confidentiality is ensured.

DSF also manufactures traditional steel making peripherals; tundish nozzle seating blocks for example and a range of monolithic materials, including castables with ceramic anchors and multi-purpose high alumina mortars.

Steel Industry

Steel Industry

sales@dsf.co.uk

+44 (0) 1629 636 271

Refractories: Steel Industry

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