Siemens
offers new system for hot metal desulfurization
HM De-S adjusts the residual
sulfur content precisely, flexibly and cost-effectively
Siemens
VAI Metals Technologies has developed a new system for hot metal
desulfurization. HM De-S combines the pressure-vessel based injection technology
for powder agents – such as burnt lime and calcium carbide – with the addition
of magnesium granules by means of the patented Simetal Feldhaus process. This
combination facilitates precise, cost-saving dosing of the individual
desulfurizing agents, and consequently a highly flexible process operation to
achieve the desired residual sulfur content. The system can be operated
according to requirements in mono-, co- or multi-injection mode. Further
advantages are short process times, less slag generation and low maintenance
costs.
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