Gas Cleaning and Waste Heat Recovery Solutions for Integrated Steel Plants and Mini Mills — State-of-the-Art Technologies and Latest References

Fleischanderl, Alexander; Steinpazer, T.; Trunner, Paul

doi:10.33313/382/237-23112-158

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“…The working principles and status of the aforementioned DSG examples have been well reviewed by Barati et al [ 8 ] and Zhang et al [ 1 ] Notably, centrifugal‐granulation‐assisted thermal energy recovery (CGATER) is gaining the spotlight for its potential to recover the heat from BF slag without hampering the hydrate activity of BF slag. [ 9–11 ] The CGATER has been intensively tested at laboratory [ 9 ] and more recently, important CGATER trials were carried out at pilot scales in Australia, [ 12,13 ] Europe, [ 14 ] and China. These preeminent efforts make the CGTAER stand out from the available DSG methods; it is regarded as the leading technology for low‐carbon slag treatment in the iron making industry.…”

Section: Introductionmentioning

confidence: 99%

High‐Temperature Thermophysical Property Characterization of Molten Blast Furnace Slag: A Critical Reviews

Liu

et al. 2023

steel research int.

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Centrifugal granulation‐assisted thermal energy recovery (CGATER) remains the leading technology for the iron and steel industry to enable the low‐carbon treatment of high‐temperature blast furnace (BF) slag. Accurate knowledge of the thermophysical properties of BF slag is pivotal for the commercialization of the CGATER. However, it presents a formidable task to obtain these quantities due to the extremely high temperature of molten BF slag (≈1500 °C). To date, the thermophysical properties of BF slag have not been well characterized yet. Herein, five typical thermophysical properties including density, viscosity, surface tension, thermal conductivity, and emissivity are scrutinized with emphasis on the experimental measurements and empirical estimates. The working principles of these measurement methods are briefly overviewed and their merits and demerits are highlighted. It is noted that density, viscosity, and surface tension have been intensively studied; the quantities can be estimated with moderate uncertainty. However, the thermal conductivity and emissivity of BF slag are less tackled, mainly because of the scarcity of measurement tools at high temperatures. In the future, innovative measurement tools tailored for high‐temperature materials are essential, not only for enriching the thermophysical property database of BF slag but also for paving the way toward characterizing other complex high‐temperature melts.

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Section: Introductionmentioning

confidence: 99%

High‐Temperature Thermophysical Property Characterization of Molten Blast Furnace Slag: A Critical Reviews

Liu

et al. 2023

steel research int.

View full text Add to dashboard Cite

show abstract

Gas Cleaning and Waste Heat Recovery Solutions for Integrated Steel Plants and Mini Mills — State-of-the-Art Technologies and Latest References

Cited by 1 publication

References 0 publications

High‐Temperature Thermophysical Property Characterization of Molten Blast Furnace Slag: A Critical Reviews

High‐Temperature Thermophysical Property Characterization of Molten Blast Furnace Slag: A Critical Reviews

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