SDM has rich experience in engineering design and EPC in the field
of steel-making project, mastering the state-of-the-art steel-making
technology, and can provide comprehensive and high-quality technical services
for customers in converter, electric furnace, hot metal pretreatment, secondary
refining, slag treatment, scrap processing, etc.
Main service scope:
Converter: nominal capacity 35t~300t
converter and its supporting facilities
Electric furnace: nominal capacity 35t~150t
electric furnace and its supporting facilities
Hot metal pretreatment: suitable for
injection DeSox technology and mechanical stirring DeSox technology of 35t~300t
hot metal ladle
Secondary refining: CAS, LF, VD, RH and
other refining equipment and supporting facilities
Slag treatment: primary treatment and
secondary treatment of steel slag, deep processing of tailings, slag soaking
and white smoke elimination, etc.
Scrap processing: Scrap cutting, scrap
packing, scrap cutting, etc
The main characteristic technologies are as
follows:
Green intelligent steelmaking system
integration technology, high efficiency and low cost clean steel platform
integration technology, converter smelting dynamic control technology,
converter deep dephosphorization smelting technology, converter lining
longevity technology, converter dry dedusting technology, hot metal charging
technology of electric furnace, flue gas waste heat utilization technology of
electric furnace, dry (mechanical pump) vacuum system technology, new
generation "hot metal-steel interface" technology, etc.
Green intelligent steelmaking system
integration technology: relying on the rich practical experience of SDM in the
steelmaking field, adopting the most advanced technology and the most
reasonable process flow, provide customers with world-class green steel plants
and intelligent steel plants.
High efficiency and low cost clean steel
platform integration technology: through the whole process fine design, to
create high efficiency and low cost clean steel production platform for
customers.
Converter smelting dynamic control
technology: adopt the most advanced technical means to realize converter
smelting dynamic control and "one-click" intelligent steel making,
improve converter automation control level, reduce raw material consumption and
shorten smelting cycle.
Deep dephosphorization smelting technology
of converter: adopt double converter or single furnace double slag technology
to smelt low phosphorus and ultra-low phosphorus steel, realize less slag
smelting and reduce production cost.
Converter lining longevity technology: comprehensive masonry, slag splashing for protection of converter, lining
monitoring, bottom blowing heat exchange and other technical means are adopted
to achieve converter lining longevity.
Dry dedusting technology of converter: in
2004, SDM was the first company to absorb and transform the full dry GCP
technology of converter flue gas, realizing national industrialization and
applying it in 3*120t converter system of Laiwu Steel, SDM has the leading
design concept in dry GCP, which can meet the world's highest converter flue
gas emission standard of 10mg/m3, and achieve efficient dedusting of converter
flue gas.
Hot metal charging technology of EAF: adopt
advanced hot metal charging and smelting control technology to reduce EAF
energy consumption, shorten smelting cycle and improve molten steel quality.
EAF flue gas waste heat utilization
technology: the fourth hole flue gas waste heat recovery technology is adopted
to realize the efficient utilization of EAF waste heat.
Dry type (mechanical pump) vacuum system
technology: in VD and RH refining furnaces, the dry type (mechanical pump)
vacuum system is used to replace the traditional steam pump vacuum system, so
as to reduce the production cost and improve the vacuum effect.
The new generation of "hot metal -
steel interface" technology: the traditional railway transportation is
replaced by truck or flat car transportation, and the "One ladle to the
end" is realized at the same time, the general layout is optimized, and
the production cost is reduced.
Continuous casting engineering
Continuous casting project
SDM steelmaking Division has completed more than 20 equipment and
plant designs for various types of continuous casting machines, such as square
billet, rectangular billet, round billet, shaped billet/beam blank and slab. It
has mastered various types of CCM at home and abroad and the most advanced
continuous casting technology. It can independently undertake engineering
consulting, engineering design, EPC and equipment transformation business for
continuous casting projects, and can work with SDM rolling division to provide
customers with comprehensive solutions.
Billet caster of Yongfeng: 150×150~180×180mm
Alloy steel caster of Laiwu Steel: 180
mm×220~260×300mm2
Round Billet Caster of Laiwu Steel Special
Steel:φ500 ~ 800mm
Profiled billet caster of Laiwu Steel:
555×440×90~1023.8×390
Wide-heavy slab caster of Laiwu Steel:
200~300×1500~2500mm2
