Submerged arc furnace (SAF) is mainly used for the production of
ferroalloys. Generally, in submerged arc furnace, carbon is used as
reducing agent to reduce ore, producing ferroalloy, metallic
silicon, carbide, corundum phosphor, pig iron and etc.
Additionally, the units produce calcium carbide and calcium silicon
for secondary metallurgy in steel production. And finally, this
technology is ideal for reprocessing / recycling residues from the
iron and steel industry.
Here is an overview of the main applications. When submerged arc
furnace is in operation, furnace burden is added into the furnace
and electrode is submerged in the burden. With the heat from the
electric arc and that from the resistance of the burden, submerged
and reduction process is carried out, from which the reduced molten
metal and slag accumulate at the bottom and are tapped at regular
intervals. The process is continuous. The products include:
ferrosilicon, calcium silicon, barium ferrosilicon, silica-alumina
and other silicon series of composite ferroalloy, silicon metal,
high carbon ferromanganese, ferromanganese-silicon, high carbon
ferrochrome, silica chromium, aluminum silicon, pig iron etc.
Our SAF spectrum is as varied as the market demands. To begin with,
you choose the basic type of furnace - open, semi-open, closed or
special type. Next, there is a range of customized designs,
technologies and furnace performance rates. The various furnace
charge systems, gas hoods, shells, electrode columns, roof designs
and high-voltage supply systems give you a brief impression of the
extensive options available. What all our solutions have in common
are high reliability, quality and effectiveness coupled with
optimal energy utilization.
We not only carry out our own research work, but also cooperate
closely with universities and specialist institutes around the
globe. The knowledge we gain and the innovations that result from
this are reflected in our product developments. So you can be sure
you get the leading SAF technology from us, now and in the future.
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