Computational Study of Coal Particle Distribution in Coal Pulverizer: Effect of Air Flow Rate and Coal Particle Flow Rate

Elaine Why; Firas Basim Ismail; Hasril Hasini; Mohammad Nasif

doi:10.1051/matecconf/201822502003

Computational Study of Coal Particle Distribution in Coal Pulverizer: Effect of Air Flow Rate and Coal Particle Flow Rate

Elaine Why, Firas Basim Ismail, Hasril Hasini, Mohammad Nasif

Department of Mechanical Engineering

Research output: Contribution to journal › Conference article

Abstract

Complete combustion of coal fuel in thermal power plant is often achieved, by ensuring output of fine coal particle (< 75μm) is as high as possible. This is due to the fact that same mass of coal particle in smaller sizes, has higher surface exposed to combustion. Hence, the objective of the study is to determine the effect of air flow rate and coal particle flow rate on coal fineness output. Computational fluid dynamics (CFD) modelling and validation with experimental coal fineness test in real plant are made. The optimum range of air flow rate and coal particle flow rate in pulverizer are selected, by considering relevant air/fuel ratio of 1.5 to 2.0 and turbulence intensity.

Original language	English
Article number	02003
Journal	MATEC Web of Conferences
Volume	225
DOIs	https://doi.org/10.1051/matecconf/201822502003
Publication status	Published - 05 Nov 2018
Event	2018 UTP-UMP-VIT Symposium on Energy Systems, SES 2018 - Tamil Nadu, India Duration: 18 Sep 2018 → 19 Sep 2018

All Science Journal Classification (ASJC) codes

Chemistry(all)
Materials Science(all)
Engineering(all)

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Why, E., Ismail, F. B., Hasini, H., & Nasif, M. (2018). Computational Study of Coal Particle Distribution in Coal Pulverizer: Effect of Air Flow Rate and Coal Particle Flow Rate. MATEC Web of Conferences, 225, [02003]. https://doi.org/10.1051/matecconf/201822502003

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abstract = "Complete combustion of coal fuel in thermal power plant is often achieved, by ensuring output of fine coal particle (< 75μm) is as high as possible. This is due to the fact that same mass of coal particle in smaller sizes, has higher surface exposed to combustion. Hence, the objective of the study is to determine the effect of air flow rate and coal particle flow rate on coal fineness output. Computational fluid dynamics (CFD) modelling and validation with experimental coal fineness test in real plant are made. The optimum range of air flow rate and coal particle flow rate in pulverizer are selected, by considering relevant air/fuel ratio of 1.5 to 2.0 and turbulence intensity.",

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