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Manufacturing
Technology Roundup
 Members
of the Committee on Manufacturing Technology met in Pittsburgh
February 16 to discuss building a Paired Straight Hearth Furnace
(PSH) demonstration project in the United States. The PSH
is a high-productivity, low fuel rate furnace that can produce
DRI from ore fines and waste oxides. It is based on the principles
of a deep bed of pellets, as shown in the diagram below. The
PSH was proven at the pilot scale at McMaster University in
Ontario, Canada and at a steel plant in Italy as part of AISI's
Technology Roadmap Program. In addition to producing low-cost
DRI as a stand alone unit, the PSH, when coupled with and
smelter vessel, substantially increases the productivity of
the smelter to the point the combines technologies can be
considered a viable successor to the blast furnace/coke oven
combination. AISI Member Companies will have the opportunity
to participate in the PSH demonstration project—stay
tuned for details!
Tapping
of pig iron from HIsmelt vessel. |
The Task
Force on Emerging Ironmaking Technology departed February 22
for a visit to the HIsmelt plant in Kwinana, Western Australia
[pictured below], where they will tour and have technical meetings
with plant personnel about the operation of the breakthrough
ironmaking technology. The team has already has technical exchanges
with alternate ironmaking technologies in Europe and the U.S.
and hopes to visit Korea and the Finex plant before penning
their final report which will be available to all AISI members.
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