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7th European Steel Technology and Application Days - ESTAD 2025

6–9 Oct 2025
Palaexpo Veronafiere
Europe/Rome timezone
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Session

Refractory & Equipment Maintenance

2
8 Oct 2025, 17:30
Vivaldi (Palaexpo Veronafiere)

Vivaldi

Palaexpo Veronafiere

Veronafiere, Viale del Lavoro 8, 37135 Verona

Conveners

Refractory & Equipment Maintenance

  • Emine Sari (Weerunlin Group)

Description

1.3.4

Presentation materials

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  1. 183. Investigations on hearth refractory and skull
    Jungil Kim (POSCO)
    08/10/2025, 17:30
    Ironmaking - Blast furnace ironmaking
    Oral Presentation

    The Gwangyang Blast Furnace No. 3 experienced an early relining approximately 12 years after its initial blow-in due to premature wear of copper staves leading to shell damage and damage to the hearth cooling system caused by hot metal leakage at the No.1 taphole. To expand the internal volume from 4600 m³ to 5500 m³, a complete dismantling of the furnace body was undertaken. During this...

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  2. 453. Blast Furnace Hearth Relines From Concept to Construction
    Mr Rudy Tolkamp
    08/10/2025, 17:50
    Ironmaking - Blast furnace ironmaking
    Oral Presentation

    This paper will discuss a systematic approach for the design and construction of a new hearth, employing an “inside-out” approach. A comprehensive diagnostic is first performed by reviewing thermocouple and operational data from the current campaign to determine expected process loads in the new campaign. Three-dimensional thermal models of the new hearth design are analyzed using boundary...

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  3. 206. Development of a Handheld Low-Frequency Ultrasonic System for Precise Stave Wear Measurement in Blast Furnaces
    Afshin Sadri (Hatch Global Director of Asset Performance Management (APM) Group)
    08/10/2025, 18:10
    Ironmaking - Blast furnace ironmaking
    Oral Presentation

    Stave wear in blast furnaces is a critical issue affecting operational efficiency and campaign longevity. Several factors influence wear severity, including furnace design, operational practices, raw material properties, and cooling performance. However, stave wear patterns are often unpredictable and irregular, making accurate monitoring essential for maintaining the integrity of the cooling...

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