2019 Pittsburgh AISTech

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Sessions (9)

Advanced Cold Isostatic Press MgO-C Brick (Room 319)

06 May 19
2:00 PM - 2:30 PM

Tracks: Refractory Systems

Speaker(s): Atsuhisa Iida ; Hiroki Yoshioka ; Hisashi Tomiya ; Masayoshi Kakihara ; Shohei Kaneko
Cold isostatic press (CIP) is widely used for manufacturing shaped refractories. CIP made it possible to manufacture large mono-piece products, lik... More...

Enhancement of RH Refractory Performance for Electrical Steel Processing (Room 319)

06 May 19
2:30 PM - 3:00 PM

Tracks: Refractory Systems

Speaker(s): Basavarajappa K Hittalamani ; Harsh Joshi ; Prakash Patil ; Sanghamitra Bharati ; Suryanarayan Vishwanath
The present paper focuses on a systematic approach to understanding of the high wear rate and premature failure of RH inner vessel MgO-Cr2O3 refrac... More...

Inhibition Effect of CaO-ZrO2-C Nozzles on Alumina Deposition in Continuous Casting of Al-Killed Steel (Room 319)

06 May 19
3:00 PM - 3:30 PM

Tracks: Refractory Systems

Speaker(s): Masakazu Iida ; Takayuki Matsunaga ; Wei Lin ; Yukio Ohkawa
CaO-ZrO2-C (CZ-C) submerged-entry nozzles used in continuous casting of Al-killed steel for long casting times (500-1,000 minutes) were investigate... More...

Impact Zone Solutions for an Improved Flow Performance in the Tundish (Room 319)

06 May 19
3:30 PM - 4:00 PM

Tracks: Refractory Systems

Speaker(s): Alexandre Dolabella Resende ; Daniel Meurer ; Gernot Hackl ; Gernot Lukesch ; Pavan Shivaram ; Yong Tang
Today's function of a tundish not only includes the basic purpose of being a buffer between the ladle and the mold(s), it also acts as a refining v... More...

Development of Basic Gunning Mixes: Comparison of Laboratory Trials, Thermochemical Calculations and Steel Plant Trials (Room 319)

07 May 19
10:00 AM - 10:30 AM

Tracks: Refractory Systems

Speaker(s): David Wappel ; Gregor Lammer ; Manuel Forrer ; Ronald Lanzenberger
Vessels of steel-producing and steel-refining processes are in practice mainly repaired with basic gunning mixes to enhance its durability and avai... More...

Gunning Manipulators for Hot Repair (Room 319)

07 May 19
10:30 AM - 11:00 AM

Tracks: Refractory Systems

Speaker(s): Christian Wolf
For many years, the gunning procedure has been used for the repair of refractory linings. In combination with a gunning manipulator, furnaces, ladl... More...

1,450°C K-Al-Si Low Bio-Persistent Fiber for Applications in Iron and Steel (Room 319)

08 May 19
8:00 AM - 8:30 AM

Tracks: Refractory Systems

Speaker(s): Peter Ermtraud
RCF fiber is the preferred fiber lining for annealing and reheating furnaces for excellent thermal conductivity, low density and thermal mass. Unde... More...

The Use of Advanced Refractory Technology to Improve Energy and Environmental Efficiency in Steel Applications (Room 319)

08 May 19
8:30 AM - 9:00 AM

Tracks: Refractory Systems

Speaker(s): James Hemrick
This paper will present examples of refractory design and implementation that result in improved energy efficiency and reduced environmental impact... More...

Thermal Shock Resistance of Regenerate MgO–CaO Bricks (Room 319)

08 May 19
9:00 AM - 10:00 AM

Tracks: Refractory Systems

Speaker(s): Guibo Qiu ; Mei Zhang ; Min Guo ; Yiwen Hu ; Zhaoyun Wu
This paper is mainly about the regeneration and reutilization of spent refractory. Regenerated MgO–CaO bricks were first prepared by using spent Mg... More...