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Journal of the Japan Institute of Energy
Vol. 98 (2019), No. 3

Journal of the Japan Institute of Energy Vol. 98 (2019), No. 3

ONLINE ISSN:	1882-6121
PRINT ISSN:	0916-8753
Publisher:	The Japan Institute of Energy

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Journal of the Japan Institute of Energy Vol. 98 (2019), No. 3

Extending Semi-parallel Reaction Model of Pulverized Coal Particle to Various Coal Types

Shota AKAOTSU, Kengo ISHIMODA, Yasuhiro SAITO, Yohsuke MATSUSHITA, Hideyuki AOKI

pp. 35-43

DOI:

10.3775/jie.98.35

Abstract

A new concept for modeling the overlap between devolatilization and char oxidation was extended to various coal types. Quasi-steady mass transfer analysis around a single coal particle with devolatilization was performed, and the overlap between devolatilization and char oxidation was modeled with a semi-parallel reaction model. The semi-parallel reaction model can capture the differences in the char oxidation rates of each coal by a single fitting parameter called the inhibition factor. The combustion simulation of the single coal particle indicated the superiority of the semi-parallel reaction model over the previously reported modeling concepts because the semi-parallel reaction model could describe the decrease in char oxidation rate during devolatilization, which is not represented by other reaction models. Although the inhibition factor is not correlated with the proximate analysis of the volatile matter, it is correlated with the temperature at which the rate-controlling step of char oxidation shifts. This is because the proximate analysis does not include information on char reactivity. Therefore, it is suggested that the inhibition effect of devolatilization on char oxidation strongly correlates with the parameter that describes the sensitivity of char oxidation to the mass transfer processes of the oxidant.

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Table of Contents (in Japanese)

Journal of the Japan Institute of Energy Vol.98(2019), No.3

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Article Title

Extending Semi-parallel Reaction Model of Pulverized Coal Particle to Various Coal Types

Bibtex

Ris

Table of Contents (in English)

pp. 9803tce_1-

DOI:

10.3775/jie.98.9803tce_1

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Detail

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Article Title

Table of Contents (in English)

Bibtex

Ris

Table of Contents (in Japanese)

pp. 9803tcj_1-

DOI:

10.3775/jie.98.9803tcj_1

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Journal of the Japan Institute of Energy Vol. 98 (2019), No. 3

Keyword Ranking

hydrogen reduction of iron ore

gasification

characterization of coal and biomass based on kinetic parameter distributions for pyrolysis

kinetics of decarburization of liquid iron with high concentration ofcarbon

mechanisms of liquefaction and pyrolysis reaction of biomass

hydrogen reduction

steel

19al6mg

automotive wheel

deguchi

Journal of the Japan Institute of Energy Vol. 98 (2019), No. 3

Extending Semi-parallel Reaction Model of Pulverized Coal Particle to Various Coal Types

Share it with SNS

Table of Contents (in English)

Share it with SNS

Table of Contents (in Japanese)

Share it with SNS

Article Access Ranking

Wettability of CaS against molten iron at 1873 K

Precipitation Behavior of MnS from Molten Iron to Al₂O₃ during Solidification

Reduction and Melting Behaviors of Iron Oxide Composite with Carbon Deposited Using CO-CO₂-H₂ Mixed Gas

In-situ Observation of Precipitation and Growth of MnS Inclusions during Solidification of a High Sulfur Steel

Perspectives on the Promising Pathways to Zero Carbon Emissions in the Steel Industry toward 2050

In-situ Observation of Inclusion Formation Behaviors during Solidification Process Using Model Alloy

Transition behavior of gas containing suspension from solid-like to liquid-like flows

A hot rolling full process rolling force prediction method based on transfer learning and Inception-LSTM neural network

Slag-steel reactions in the refining of Advanced High-Strength Steel

Chemical and Mechanical Factors on Phosphorus Dissolution Behavior from P-concentrated Slag

Advanced Search

Journal of the Japan Institute of Energy Vol. 98 (2019), No. 3

Keyword Ranking

hydrogen reduction of iron ore

gasification

characterization of coal and biomass based on kinetic parameter distributions for pyrolysis

kinetics of decarburization of liquid iron with high concentration ofcarbon

mechanisms of liquefaction and pyrolysis reaction of biomass

hydrogen reduction

steel

19al6mg

automotive wheel

deguchi

Journal of the Japan Institute of Energy Vol. 98 (2019), No. 3

Extending Semi-parallel Reaction Model of Pulverized Coal Particle to Various Coal Types

Share it with SNS

Table of Contents (in English)

Share it with SNS

Table of Contents (in Japanese)

Share it with SNS

Article Access Ranking

Wettability of CaS against molten iron at 1873 K

Precipitation Behavior of MnS from Molten Iron to Al2O3 during Solidification

Reduction and Melting Behaviors of Iron Oxide Composite with Carbon Deposited Using CO-CO2-H2 Mixed Gas

In-situ Observation of Precipitation and Growth of MnS Inclusions during Solidification of a High Sulfur Steel

Perspectives on the Promising Pathways to Zero Carbon Emissions in the Steel Industry toward 2050

In-situ Observation of Inclusion Formation Behaviors during Solidification Process Using Model Alloy

Transition behavior of gas containing suspension from solid-like to liquid-like flows

A hot rolling full process rolling force prediction method based on transfer learning and Inception-LSTM neural network

Slag-steel reactions in the refining of Advanced High-Strength Steel

Chemical and Mechanical Factors on Phosphorus Dissolution Behavior from P-concentrated Slag

Advanced Search

Precipitation Behavior of MnS from Molten Iron to Al₂O₃ during Solidification

Reduction and Melting Behaviors of Iron Oxide Composite with Carbon Deposited Using CO-CO₂-H₂ Mixed Gas