Page 34 - Steel Metallurgy eMagazine Volume June 2024

C O M P A N Y NEWS

extensive use of hydrogen, and up 4.5% additional revenue stream for the plant DRI up to 600 °C, ensuring an extremely
using 100% natural gas. operations. Such arrangement makes it energy-efficient total process for
possible to produce green steel before production of liquid steel starting from
Standard Energiron plants have carbon- having the availability of hydrogen. pellets.
capture units, taking CO2 from the
process and making it available for other Energiron plants are available with Energiron is the DRI technology jointly
applications, further reducing the overall Hytemp® pneumatic transport systems developed by Tenova and Danieli.
plant carbon emissions and providing an feeding electric arc furnaces with hot

DANIELI MIDA QLP TECHNOLOGY

TO OPERATE ALSO IN JAPAN

Chiyoda Steel contracts Danieli for a of the meltshop, also acting as a buffer with the MIDA QLP technology was
major upgrade project to produce rebar for production scheduling. The digital approved and supported by subsidies.
in endless casting-rolling mode control of the arc provided by Q-One
will guarantee the best performances The upgraded rolling mill will include
hiyoda Steel awarded a contract at the minimum transformation costs. six new, ESS cantilever stands followed
to Danieli for the supply of a Danieli-patented Octocaster, which is by four new, housingless stands slitting
Cnew ladle furnace and new, the core of the casting process, featuring the bar in two, for the existing fast-
single-strand caster, and the upgrade the latest design of octagonal eco-power finishing blocks. A new water-treatment
of the existing rolling mill to perform mold, will produce 165-mm octagon- plant for the mini mill, featuring original
the Danieli QLP endless casting-rolling shape billets (equivalent to 150x150 mm DanFilters, to minimize the water waste
process at the Ayase plant in central square) at a maximum speed of 6.3 m/ is also part of the order.
Tokyo. min, ensuring stable, reliable, efficient
endless casting-rolling. Thanks to the Danieli endless casting-
The upgraded plant will allow Chiyoda rolling process, which eliminates the
Steel to produce 430,000 tpy of rebar The new ladle furnace, Octocaster and need to reheat billets, Chiyoda Steel will
in bundles from 10- to 35-mm- new overhead crane will be installed in produce rebar from liquid steel in less
diameter, in the most efficient way. the place of the existing billet reheating than 15 minutes, with zero direct-carbon
Characterized by the Danieli-patented furnace and billet storage, without emissions in the casting-rolling mill –
Q-One power feeder, the new refining requiring any additional land. The the first in Japan.
station will improve the productivity replacement of the reheating furnace

30 STEEL & METALLURGY JUNE 2024