stahl und eisen 01-02/2020 Leseprobe

Figure 1:
MI.DA. size evolution
from a single,
300,000-tpy co-rolling
line into two 1.5 Mtpy
twin co-rolling lines
Source (7): Danieli
introduction of the twin-strand application to produce
up to 1. Mtpy of finished products to match the
ever-increasing market demand. In the last two years
Danieli has sold six MI.DA. plants with production
capacity varying from 300,000 tpy up to 1.4 Mtpy,
as a prompt response to ever-increasing demand for
plants with higher productivity, larger product range
and higher level of automation.
Today, in hina – a country of big numbers – the
regional steelmaking concept is being expanded to
meet customers demand for maximized production,
while maintaining the consolidated operational advantages
of MI.DA.
Key Technologies
Such a productivity can be achieved due to the application
of the latest Fastast Technology which is the
new generation of continuous casting machines with
increasingly competitive transformation costs. The Eco
Power Mould is a further development of the Power
Mould concept with the following improvements
New geometry of the cooling channels with higher
thermal exchange
Lower overall u thickness
New coating layer to improve rigidity
Reduced off-corner cracks resulting in increased
sub-surface quality
• Improved cooling system
• Adaptive heat transfer
• Up to 60,000 t service life
Reduced media consumption
Easy to install on existing conticasters
The combination of the cartridge-type Eco Power-
Mould with the latest design of the Fastast ube oscillator
characterized by high stiffness, low oscillation
mass and inertia for higher frequencies in oscillation,
bearing-free suspension system and maintenance-free
philosophy, has made it possible to reach the casting
speed performance of up to 7. mmin, which is euivalent
to a productivity of approximately . th
for 1x1 mm suare sections on a single casting
strand and up to 120 t/h for larger sections.
Hy-Power drive
The high freuency in oscillation is achieved through
the revolutionary Hy-Power drive, which is a hydrostatically
actuated system installed on board of the
hydraulic cylinder and fed by just one simple electric
cable, replacing the standard hydraulic system com-
Figure 3:
Hy-Power drive
Figure 2:
ECO Power mould
design
stahl und eisen 140 (2020) Nr. 1/2
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