2019 Pittsburgh AISTech

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Sessions (33)

Crystallization Behavior Evaluations of the Mold Powder by DTA (Room 407)

06 May 19
9:30 AM - 10:00 AM

Tracks: Continuous Casting

Speaker(s): Daisuke Katayama ; Masanori Okada ; Yukimasa Iwamoto
In the continuous casting process, it has been known that a mold powder with a high crystallization temperature is effective in preventing surface ... More...

Billet Defects: Off-Corner Crack Formation, Prevention and Evolution (Room 407)

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

Tracks: Continuous Casting

Speaker(s): Cristian Genzano ; Jorge Madias
This paper is a review of off-corner cracks, an internal defect in continuous casting semis. The discussion includes the metallographic features of... More...

Effect of Bubble Behavior for a Stopper Rod With Multiple Side-Channel Injection on Bubble Size Distributions in Nozzle and Mold During Continuous Casting of Steel (Room 407)

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

Tracks: Continuous Casting

Speaker(s): Brian Thomas ; Seong-Mook Cho
Argon gas injection is widely used to prevent nozzle clogging during continuous casting of steel. The argon also greatly affects fluid flow in the ... More...

Experience Report of Technology Update Width Control – Delta Speed on CSP® Plant JSW Dolvi, India (Room 408)

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

Tracks: Continuous Casting

Speaker(s): Holger Beyer-Steinhauer ; Lothar Schaps ; Matt Korzi
On the Compact Strip Production (CSP®) plant at JSW Dolvi, India, an update to the X-Pact® Width Control – Delta Speed technology was made in a ver... More...

Demystifying the CC Mold at the University of Toronto: The First Full-Scale Mold Water Model in North American Academia (Room 407)

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

Tracks: Continuous Casting

Speaker(s): Bikram Konar ; Donghui Li ; Kinnor Chattopadhyay
The investigation of complex steel flow inside the continuous caster (CC) mold by plant trials are cost-, time- and risk-intensive. Thus, a state-o... More...

The Most Advanced Thin-Slab Technology for Coil-to-Coil Production (Room 408)

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

Tracks: Continuous Casting

Speaker(s): Christian Bilgen ; Mathias Knigge ; Tristan Toepfer
Quality strip production (QSP) is the latest generation of Danieli’s thin-slab casting and rolling technology, introducing a new level of quality a... More...

Study on Instantaneous Transport Phenomenon Along the Full Continuous Casting Slab Strand (Room 407)

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

Tracks: Continuous Casting

Speaker(s): Lifeng Zhang ; Wei Chen ; Weifu Li
Three-dimensional models along the full continuous casting slab strand — including the large eddy simulation turbulent model, the heat transfer and... More...

The New Generation of Thin-Slab Casting and Rolling Plant for No Production and Market Limitations (Room 408)

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

Tracks: Continuous Casting

Speaker(s): Alessandro Pigani ; Mathias Knigge ; Mike Knights ; Paolo Bobig
Danieli Universal Endless (DUE®), the new flagship within the Quality Strip Production (QSP) family, combines the advantages and the abilities of “... More...

Effect of Different Types of Nozzles on Swirling Flow Development and Shell Growth Behavior in a Bloom Casting Mold (Room 407)

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

Tracks: Continuous Casting

Speaker(s): Haiyan Tang ; Jiaquan Zhang ; Peng Lan ; Pu Wang ; Shaoxiang Li
Flow pattern affects many important phenomena that have a major impact on the quality of continuous casting products. A coupled 3D model was develo... More...

voestalpine Stahl GmbH — CC8 Caster for High-Quality Grades and Exposed Automotive Steel Using Danieli Technology (Room 408)

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

Tracks: Continuous Casting

Speaker(s): Gabriele Paulon ; Herbert Moser ; Loris Busolini ; Peter Hodnik ; Thierry Gautreau
At voestalpine Stahl, Linz, a new conventional slab caster has been installed to produce mainly automotive and electrical applications grades, impl... More...

The Effect of Upper Nozzle Refractory in Bubble Behavior Inside the SEN and Slab Mold in Continuous Casting: Physical and Mathematical Model (Room 407)

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

Tracks: Continuous Casting

Speaker(s): Carlos Antônio Silva ; Clenice Moreira Galinari ; Itavahn Alves da Silva ; Johne Jesus Mol Peixoto ; Paulo Luiz Santos Junior ; Varadarajan Seshadri
This study intends to investigate the behavior of gas bubbles (air) inside a liquid flow system, simulating the submerged-entry nozzle (SEN) refrac... More...

Tokyo Steel CCM4: A New Danieli Technology (Room 408)

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

Tracks: Continuous Casting

Speaker(s): Luigi Morsut ; Marcellino Fornasier ; Michele Papinutto ; Naoya Takeuchi
A new Fast Cast technology has been installed at Tokyo Steel Okayama Works, boosting plant productivity up to 240 t/hour in a compact and tailor-ma... More...

Influence of Electromagnetic Stirring Position on Liquid Level Fluctuation in Billet Mold (Room 407)

06 May 19
4:30 PM - 5:00 PM

Tracks: Continuous Casting

Speaker(s): Guifang Zhang ; Jiang Qi ; Shi Benhui ; Yan Peng ; Yang Yindong ; Zheng Wei
Electromagnetic stirring (EMS) is a casting technology that contributes to improved billet quality. Different positions of EMS have different infl... More...

Process Improvements at a Continuous Caster Using CasTemp SuperHeat (Room 407)

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

Tracks: Continuous Casting

Speaker(s): Alex England ; John Pischak ; Steve Walker
Accurate superheat control is critical to successful and efficient management of a continuous casting machine. Heraeus recently installed the CasTe... More...

Revealing Localized Mold Thermal and Fluid Flow Phenomena in Continuous Casting (Room 407)

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

Tracks: Continuous Casting

Speaker(s): Hongliang Yang ; Martin Sedén ; Nils Jacobson ; Peter Rybing
Very densely distributed optical fiber Bragg grating (FBG) mold temperature sensors, with thousands of probing points per mold, uncover and visuali... More...

Influence of Oscillator on Operation Stability in Mini-Mill Casters (Room 407)

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

Tracks: Continuous Casting

Speaker(s): Min-chul Shin
It is widely known that precise movement of the oscillator is important for operation stability in the caster. If the oscillator is managed more st... More...

Robotic Applications for Safety Improvements in Steelmaking Production Areas (Room 407)

07 May 19
11:30 AM - 12:00 PM

Tracks: Continuous Casting

Speaker(s): David Corsini
Safety in industrial plants is an objective value in terms of productivity, quality and efficiency. However, safety is frequently seen as an obstac... More...

The Effect of Standoff Distance on the Cooling Efficiency of Air Mist and Hydraulic Nozzles (Room 407)

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

Tracks: Continuous Casting

Speaker(s): Kenneth Blazek ; Rudolf Moravec
Heat transfer coefficients (HTCs) for water spray nozzles in continuous casters are primarily based upon the water flux density on the surface of t... More...

Use of Mold Coatings to Extend CSP® Broad Face Copper Life (Room 408)

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

Tracks: Continuous Casting

Speaker(s): Chad Donovan ; Chason Ault ; Ike Stevenson ; Jeff Johnson ; Steve Musial
For many years, attempts were made to nickel-plate the meniscus of CSP® copper mold plates with little success. Over the past few years, Steel Dyna... More...

Improving Caster Roll Cooling With Special Flexible Connectors (Room 408)

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

Tracks: Continuous Casting

Speaker(s): Frank Caprio
During casting operations, sufficient cooling water flow to the caster rolls is vital. Issues arise as the rotary union internal components experie... More...

Numerical Investigation of Spray Cooling at Various Operation Conditions During Continuous Casting of Steel (Room 407)

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

Tracks: Continuous Casting

Speaker(s): Armin Silaen ; Chenn Zhou ; Haibo Ma ; Michael Lowry
In the continuous casting secondary cooling process, heat is extracted from the slab surface by cooling water sprayed from arrays of nozzles. Effic... More...

A Novel Approach to Self-Start Open-Stream Casting (Room 408)

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

Tracks: Continuous Casting

Speaker(s): Amarnath Mukherjee ; Amit Banerjee ; Ashutosh Kumar ; Navneet Sinha
At Steel Melting Shop No. 1 (LD No. 1) at Tata Steel, the conventional approach of start-up of open-stream casting was to plug the nozzles with cer... More...

Investigation of Water Droplet Impingement Under Conditions of the Secondary Cooling Zone of a Continuous Slab Caster (Room 407)

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

Tracks: Continuous Casting

Speaker(s): Christian Bernhard ; Christian Weiß ; Lukas Preuler ; Mario Peyha ; Sergiu Ilie
Optimal cooling strategies for the secondary cooling zone of the continuous casting process are crucial for the production of high-quality steel sl... More...

Electrical Oscillation Drive With Adjustable Stroke and Frequency During Operation (Room 408)

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

Tracks: Continuous Casting

Speaker(s): Christopher Sanford ; Dino Kabosh ; Giovanni Michelon ; John Gregord ; Marcel Meier ; Nicholas Klipa ; Stephan Feldhaus
The oscillation stroke is generated by an eccentric shaft. However, instead of the typical 360° rotation, it rotates only partially (<180°). The p... More...

Optimizing Application of Chlorine to Continuous Caster Spray Water System (Room 407)

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

Tracks: Continuous Casting

Speaker(s): James Gleason ; Mark Druien
This paper will detail the various modifications made to the chlorination program for a continuous caster spray system. The objective of the modifi... More...

Rapid Measurement and Correction of Segment Alignment in Continuous Casters (Room 408)

07 May 19
4:00 PM - 4:30 PM

Tracks: Continuous Casting

Speaker(s): Bill Schlichting
Rapid Measurement and Correction of Segment Alignment in Continuous Casters More...

Industry 4.0 Technologies Applied to Casting Machines (Room 408)

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

Tracks: Continuous Casting

Speaker(s): Gianluca Maccani
Operations during continuous casting — including lancing in case of metal cork, ladle shroud positioning, ladle shroud cleaning (oxygen shower), T&... More...

Tundish Open Eye Formation: Integrated Troubleshooting Using Computational Modeling, Physical Modeling and Plant Trials (Room 407)

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

Tracks: Continuous Casting

Speaker(s): Bikram Konar ; Donghui Li ; Joydeep Sengupta ; Kinnor Chattopadhyay
Tundish open eye (TOE) occurs during inert gas shrouding of liquid steel during continuous casting. TOE affects steel cleanliness and can be mitiga... More...

Increasing Safety, Operation Efficiency and Process Reliability: Implementation of Robotized Tundish Operations at Ternium Brasil (Room 408)

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

Tracks: Continuous Casting

Speaker(s): Eduardo Hernandez Duarte ; Fabio Luiz Lourenço ; Franz Ramstorfer ; Leonardo Martins Demuner ; Lúcio Mascarenhas Fernandes ; Vinicius Cunha Aranda ; Vinicius Sinhorely Oliveira ; Willian Junior Correa
During manual tundish operations such as temperature measurement, sampling, powder application and ladle shroud manipulation, the operator is expos... More...

Nailed It! Measurement of Steel Surface Velocity in the Tundish With Open Eyes (Room 407)

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

Tracks: Continuous Casting

Speaker(s): Donghui Li ; Jackie Leung ; Kinnor Chattopadhyay
Open eyes in the tundish during continuous casting expose liquid steel to ambient atmosphere, resulting in the formation and growth of oxide inclus... More...

Industry 4.0 Technologies Applied to the Meltshop (Room 408)

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

Tracks: Continuous Casting

Speaker(s): Nicola Bertoni
Gerdau and Polytec will present the implementation of different technologies, including machine vision, predictive analytics, artificial intelligen... More...

Development of Oxygen-Enriched Burner Suitable for Tundish Pre-Heating: “Innova-Jet Swing” (Room 408)

08 May 19
9:30 AM - 10:00 AM

Tracks: Continuous Casting

Speaker(s): Takeshi Saito ; Yasuyuki Yamamoto ; Yoshiyuki Hagihara
A novel oxygen-enriched burner “Innova-Jet Swing” has been developed for tundish pre-heating. Applying “self-induced oscillating phenomenon” to the... More...

Efficient Determination of Misalignment of Ladle Shroud Using Machine Vision (Room 407)

08 May 19
9:30 AM - 10:00 AM

Tracks: Continuous Casting

Speaker(s): Arijit Das ; Atanu Mukherjee ; Saikat Chatterjee
Ladle shroud misalignment affects steel quality and operation, as it undermines the performance of impact pads and dams, thus causing adverse flow ... More...