All Issue

2020 Vol.25, Issue 4 Preview Page

Research Article

Effects of Biomass Particle Size on Flame Structure and Combustion Characteristics using Blended Coal/Biomass Fuel in a Pulverized Coal Swirl Burner

미분탄 스월버너에서 석탄/바이오매스 혼소시 바이오매스 입자 크기가 화염구조 및 연소특성에 미치는 영향

Ye Seul Park1
,
Min Sung Choi2†
,
Xin Zhuo Li1
,
Chan Ho Jeong1
,
Ji Hoon Lee3
,
Gyung Min Choi1††
박 예슬1
,
최 민성2†
,
리 신줘1
,
정 찬호1
,
이 지훈3
,
최 경민1††
1School of Mechanical Engineering, Pusan National University
2Department of Clean Fuel and Power Generation, Korea Institute Machinergy & Materials (KIMM)
3Electricity, Instrumentation&Control Department 2 Combined Cycle Power Plant, Ulsan Oil Fired& C.C Power Complex, Korea East-West Power Corporation
1부산대학교 기계공학부
2한국기계연구원
3한국동서발전(주) 울산화력본부 복합발전처 계전2부
*mchoi@kimm.re.kr
**choigm@pusan.ac.kr
31 December 2020. pp. 26-36
PDF XML Citation
Abstract

The flame structure and combustion characteristics of co-firing coal and LPG with different sizes of biomass were investigated in a dual swirl pulverized coal burner by using a high-speed camera with bandpass filter and PIV system. Three sizes of spent mushroom compost (<45, 45~90, 90~150 µm) were cofired with pulverized coal (45~90 µm) at a blending ratio of 20%. When the biomass of the same size with coal was used, the turbulence intensity had the highest uniformity while other cases exhibited locally strong turbulent intensity. The combustion using <45 µm biomass was terminated early compared to other conditions, whereas the reaction region was the widest for 45~90 µm biomass. The flame had uniform turbulent intensity with wide and strong reaction when the biomass size was equal to that of coal. When using 45~90 µm of biomass, high velocity was maintained in the overall region and CH* radical was observed in a wide region with the highest radical intensity.

Keywords
Biomass particle size
Flame structure
Swirl burner
Coal combustion
Co-firing
References
1
제 8차 전력수급기본계획, 산업통상자원부.
2
2020년 시행 대기오염물질 배출 허용 기준, 환경부.
3
Explor Energy, Data by Category, Indicator, Country or Region, IEA.
4
T. Nussbaumer, Combustion and Co-Combustion of Biomass: Fundamentals, Technologies, and Primary Measures for Emission Reduction, Energy Fuels, 17(2003) 1510-1521. 10.1021/ef030031q
5
L. Baxter, Biomass-Coal Co-combustion: Opportunity for Affordable Renewable Energy, Fuel, 84 (2005) 1295-1302. 10.1016/j.fuel.2004.09.023
6
A. Demirbas, Combustion Characteristics of Different Biomass Fuels, Prog. Energy Combust. Sci., 30 (2004) 219-230. 10.1016/j.pecs.2003.10.004
7
M.H Shin, Y.M Sung, M.S Choi, G.S Lee, G.M Choi, D.J Kim, Effect of CO-firing PKS and Coal on Flame Structure in a Pulverized Coal Swirl Burner, J. Korean Soc. Combust., 21 (2016) 30-38. 10.15231/jksc.2016.21.4.030
8
H. Yang, R. Yan, H. Chen, C. Zheng, D.H Lee, D.T Liang, In-Depth Investigation of Biomass Pyrolysis Based on Three Major components: Hemicellulose, Cellulose and Lignin, Energy Fuels, 20 (2006) 388-393. 10.1021/ef0580117
9
A. Gani, I. Naruse, Effect of Cellulose and Lignin Content on Pyrolysis and Combustion Characteristics for Several Types of Biomass, Renewable Energy, 32 (2007) 649-661. 10.1016/j.renene.2006.02.017
10
D.E Priyanto, S. Ueno, N. Sato, H. Kasai, T. Tanoue, H. Fukushima, Ash Transformation by Co-Firing of Coal with High Ratios of woody Biomass and Effect on slagging Propensity, Fuel, 174 (2016) 172-179. 10.1016/j.fuel.2016.01.072
11
Z. Chen, Z. Li. Q. Zhu, J. Jing, Gas/Particle Flow and Combustion Charcteristics and NOX Emissions of a New Swirl Coal Burner, Energy, 36 (2011) 709-723. 10.1016/j.energy.2010.12.037
12
J. Chacon, J.M. Sala, J.M. Investigation on the Design and Optimization of ad Low NOX CO Emission burner Both Experimentally and Through Computational Fluid Dynamics(CFD) Simulation, Energy Fuels, 21 (2007) 42-58. 10.1021/ef0602473
13
A. Gani, K. Morishita, K. Nishikawa, I. Naruse, Characteristics of Co-combustion of Low-rank Coal with Biomass, Energy Fuels, 19 (2005) 1652-1659. 10.1021/ef049728h
14
S. Paulrud, C. Nilsson, The effects of Particle Characteristics on Emission from Burning Wood Fuel Power, Fuel, 83 (2004) 813-821. 10.1016/j.fuel.2003.10.010
15
J.O.L. Wendt, Fundamental Coal Combustion Mechanisms and Pollutant Formation in Furnaces, Prog. Energy Combust. Sci., 6 (1980) 210-222. 10.1016/0360-1285(80)90007-6
16
R. Luo, Y. Zhang, N. Li, Q. Zhou, P. Sun, Experimental Study on Flow and Combustion Characteristic of a Novel Swirling Burner Based on Dual Register Structure for Pulverized Coal Combustion, Exp. Therm. Fluid Sci., 54 (2014) 136-150. 10.1016/j.expthermflusci.2014.01.021
17
M. Gu, M. Zhang, W. Fan, L. Wang, F. Tian, The Effect of the Mixing Characters of Primary and Secondary Air on NOX Formation in a Swirling Pulverized Coal Flame. Fuel, 84 (2005) 2093-2101. 10.1016/j.fuel.2005.04.019
18
M. Stöhr, I. Boxx, C.D Carter, W. Meier, Experimental study of Vortex-Flame Interaction in a Gas Turbine Model Combustor, Combust. Flame, 159 (2012) 2363-2649. 10.1016/j.combustflame.2012.03.020
19
Y. Sung, S. Lee, S. Eom, C. Moon, S. Ahn, G. Choi, D. Kim, Optical Nom-Intrusive Measurements of internal Recirculation Zone of Pulverized Coal Swirling Flames with Secondary Swirl Intensity, Energy, 103 (2016) 61-74. 10.1016/j.energy.2015.12.095
20
Y. Sung, G. Choi, Non-Intrusive Optical Diagnostics of Co- and Counter-Swirling Flames in a Dual Swirl Pulverized Coal Combustion Burner, Fuel, 174 (2016) 76-88. 10.1016/j.fuel.2016.01.011
21
Y. Sung, S. Lee, C. Kim, D. Jun, C. Moon, G. Choi, D. Kim, Synergistic effect of co-firing woody biomass with coal on NOX reduction and burnout during air-staged combustion, Exp. Therm. Fluid Sci., 71 (2016) 114-125. 10.1016/j.expthermflusci.2015.10.018
22
M. Choi, K. Kim, X. Li, K. Deng, Y. Park, M. Seo, Y. Sung, G. Choi, Strategic combustion technology with exhaust tube vortex: Combined effect of biomass co-firing and air-staged combustion on combustion characteristics and ash deposition, Energy, 203 (2020) 117839. 10.1016/j.energy.2020.117839
23
X.Z Li, M.S Choi, K.B Kim, Y.S Park, Y.M Sung, M. Muramatsu, G.M Choi, Effects of pulverized coal particle size on flame structure in a methane assisted swirl burner, Fuel, 242 (2019) 68-76. 10.1016/j.fuel.2019.01.009
24
L. Sh, S.I Kim, H. Lim, B.H Lee, S.M Kim, C.H Jeon, Experimental Investigation into the Combustion Characteristics on the Co-firing Of biomass with Coal as a Function of Particle Size and Blending Ratio, Trans. Korean Soc. Mech. Eng. B, 40 (2016) 31-37. 10.3795/KSME-B.2016.40.1.031
25
Y.M Sung, C.E Moon, S.Y Ahn, J.W An, W.W Jung, S.I Kim, D,W chung, G.M Choi, D.J Kim, Influence of Pulverized Coal Size on Thermo Reaction and Combustion Characteristics in the Co-firing with Bituminous and Sub-bituminous Coals, the 40h KOSCO Symp., 2010 389-397.
26
J. W Cumming, J. Mclaughlin, The Thermogravimetric Behaviour of Coal, Thermochim. Acta, 57 (1982) 253-272. 10.1016/0040-6031(82)80037-3
27
S.C. Kim, B.S Choi, H.D Lee, S.S. Hong, Combustion characteristics and Activation Energy From Thermogravimetric Analysis of Bituminous and Anthracite Coal, J. Energy Eng., 5 (1996) 170-175.
28
M. V. Kok, E. Ozbas, C. Hicyilmaz, O. Karacan, Effect of particle size on the thermal and combustion properties of coal, Thermochim. Acta, 302 (1997) 125-130. 10.1016/S0040-6031(97)00205-0
29
K.E. Ozbas, C. Hicyilmaz, M. V. Kok S. Bilgen, Effect of cleaning process on combustion Characteristics of lignite, Fuel Process. Technol., 68 (2002) 211-220. 10.1016/S0378-3820(00)00064-3
30
M. V. Kok, Thermal Analysis Applications in Fossil Fuel Science, J. Therm. Anal. Calorim., 64 (2002) 1061-1077.
31
N.P. Neimela, R.N., Delgado, T.D. Riese, H. Tolvanen, S. Fendt, H. Spliethoff, T. Joronen, Fuel-specific devolatilization parameters for detailed comparison of pulverized biomass fuels, Fuel, 286 (2021) 19309. 10.1016/j.fuel.2020.119309
32
M.S Choi, Effect of Exhaust Tube Vortex Flame and Fuel Blending on Combustion and Emissions Characteristics in Pulverized Coal Swirling Flame, Thesis of doctor of philosophy.
33
M. Muthuraman, T. Namioka, K. Yoshikawa, Characteristics of co-combustion and kinetic study on hydrothermally treated municipal solid waste with different rank coal: A thermogravimetric analysis, Applied Energy, 87 (2010) 141-148. 10.1016/j.apenergy.2009.08.004
34
V. Artos, A.W. Scaroni, T.g.a. and drop-tube reactor studies of the combustion of coal blendes, Fuel, 72 (1993) 927-933. 10.1016/0016-2361(93)90289-E
35
X.G. Li, B.G. Ma, Z.W. Hu, X.G. Wang, Thermogravimetric analysis of the co-combustio of the blends with high ash coal and waste tyres, Thermochim. Acta, 441 (2006) 76-83. 10.1016/j.tca.2005.11.044
36
C. Wang, F. Wang, Q. Yang, R. Liang, Thermogravimetric studies of the behavior of wheat straw with added coal during combustion, Biomass Bioenergy, 33 (2009) 50-56. 10.1016/j.biombioe.2008.04.013
Information
  • Publisher :The Korean Society Combustion
  • Publisher(Ko) :한국연소학회
  • Journal Title :Journal of The Korean Society Combustion
  • Journal Title(Ko) :한국연소학회지
  • Volume : 25
  • No :4
  • Pages :26-36
  • Received Date : 2020-08-20
  • Revised Date : 2020-11-27
  • Accepted Date : 2020-11-27
  • DOI :https://doi.org/10.15231/jksc.2020.25.4.026
Journal Informaiton Journal of The Korean Society Combustion Journal of The Korean Society Combustion
Online submission
  • NRF
  • KOFST
  • crossref cited-by
  • crosscheck
  • orcid
  • open access
  • ccl
Journal Informaiton Journal Informaiton - close