Characterization of a new Hencken burner with a transition from a reducing-to-oxidizing environment for fundamental coal studies

Adeosun, Adewale; Huang, Qian; Li, Tianxiang; Gopan, Akshay; Wang, Xuebin; Li, Shuiqing; Axelbaum, Richard L.

doi:10.1063/1.5006087

Characterization of a new Hencken burner with a transition from a reducing-to-oxidizing environment for fundamental coal studies

Journal Article · Wed Feb 14 00:00:00 EST 2018 · Review of Scientific Instruments

DOI:https://doi.org/10.1063/1.5006087· OSTI ID:1540132

^[1]; Huang, Qian ^[2]; Li, Tianxiang ^[3]; ^[3]; Wang, Xuebin ^[4]; Li, Shuiqing ^[2]; Axelbaum, Richard L. ^[3]

Washington Univ., St. Louis, MO (United States). Dept. of Energy, Environmental and Chemical Engineering; DOE/OSTI
Tsinghua Univ., Beijing (China). Dept. of Thermal Engineering
Washington Univ., St. Louis, MO (United States). Dept. of Energy, Environmental and Chemical Engineering
Washington Univ., St. Louis, MO (United States). Dept. of Energy, Environmental and Chemical Engineering; Xi’an Jiaotong Univ., Xi'an (China). Dept. of Thermal Engineering

In pulverized coal burners, coal particles usually transition from a locally reducing environment to an oxidizing environment. The locally reducing environment in the near-burner region is due to a dense region of coal particles undergoing devolatilization. Following this region, the particles move into an oxidizing environment. This “reducing-to-oxidizing” transition can influence combustion processes such as ignition, particulate formation, and char burnout. To understand these processes at a fundamental level, a system is required that mimics such a transition. Hence, we have developed and characterized a two-stage Hencken burner to evaluate the effect of the reducing-to-oxidizing transition and particle-to-particle interaction (which characterizes dense region of coal particles) on ignition and ultrafine aerosol formation. The two-stage Hencken burner allows coal particles to experience a reducing environment followed by a transition to an oxidizing environment. Here, this work presents the results of the design and characterization of the new two-stage Hencken burner and its new coal feeder. In a unique approach to the operation of the flat-flame of the Hencken burner, the flame configurations are operated as either a normal flame or inverse flame. Gas temperatures and oxygen concentrations for the Hencken burner are measured in reducing-to-oxidizing and oxidizing environments. The results show that stable flames with well-controlled conditions, relatively uniform temperatures, and species concentrations can be achieved in both flame configurations. This new Hencken burner provides an effective system for evaluating the effect of the reducing-to-oxidizing transition and particle-to-particle interaction on early-stage processes of coal combustion such as ignition and ultrafine particle formation.

View Accepted Manuscript (DOE)

Research Organization:: Washington Univ., St. Louis, MO (United States)

Sponsoring Organization:: USDOE Office of Fossil Energy (FE)

Grant/Contract Number:: FE0009702

OSTI ID:: 1540132

Alternate ID(s):: OSTI ID: 1421563

Journal Information:: Review of Scientific Instruments, Journal Name: Review of Scientific Instruments Journal Issue: 2 Vol. 89; ISSN 0034-6748

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

References (45)

A theory on transition of ignition phase of coal particles Annamalai, K.; Durbetaki, P. Combustion and Flame, Vol. 29 https://doi.org/10.1016/0010-2180(77)90107-9	journal	January 1977
Ignition of coal particles: A review Essenhigh, Robert H.; Misra, Mahendra K.; Shaw, David W. Combustion and Flame, Vol. 77, Issue 1 https://doi.org/10.1016/0010-2180(89)90101-6	journal	July 1989
Mechanisms for the ignition of pulverized coal particles Gururajan, V. S.; Wall, T. F.; Gupta, R. P. Combustion and Flame, Vol. 81, Issue 2 https://doi.org/10.1016/0010-2180(90)90059-z	journal	August 1990
Relation between group combustion and drop array studies Ryan, William; Annamalai, Kalyan; Caton, Jerald Combustion and Flame, Vol. 80, Issue 3-4 https://doi.org/10.1016/0010-2180(90)90107-3	journal	June 1990
The transient ignition of isolated coal particle Du, Xiangyang; Annamalai, Kalyan Combustion and Flame, Vol. 97, Issue 3-4 https://doi.org/10.1016/0010-2180(94)90025-6	journal	June 1994
The ignition of coal particles Wall, T. F.; Gupta, R. P.; Gururajan, V. S. Fuel, Vol. 70, Issue 9 https://doi.org/10.1016/0016-2361(91)90252-6	journal	September 1991
The ignition of single pulverized coal particles: Minimum laser power required Zhang, D.; Wall, T.; Hills, P. Fuel, Vol. 73, Issue 5 https://doi.org/10.1016/0016-2361(94)90003-5	journal	May 1994
Ignition and combustion of coal particle streams Du, X. Fuel, Vol. 74, Issue 4 https://doi.org/10.1016/0016-2361(95)98350-n	journal	April 1995
Factors determining the primary particle size of flame-generated inorganic aerosols Helble, Joseph J.; Sarofim, Adel F. Journal of Colloid and Interface Science, Vol. 128, Issue 2 https://doi.org/10.1016/0021-9797(89)90349-4	journal	March 1989
Interactive processes in gasification and combustion. Part I: Liquid drop arrays and clouds Annamalai, Kalyan; Ryan, William Progress in Energy and Combustion Science, Vol. 18, Issue 3 https://doi.org/10.1016/0360-1285(92)90012-p	journal	January 1992
Thermocouples and sample probes for combustion studies Heitor, M. V.; Moreira, A. L. N. Progress in Energy and Combustion Science, Vol. 19, Issue 3 https://doi.org/10.1016/0360-1285(93)90017-9	journal	January 1993
Interactive processes in gasification and combustion—Part III: Coal/char particle arrays, streams and clouds Annamalai, Kalyan; Ryan, William; Dhanapalan, Senthilvelan Progress in Energy and Combustion Science, Vol. 20, Issue 6 https://doi.org/10.1016/0360-1285(94)90002-7	journal	January 1994
Scalar dissipation rate at extinction and the effects of oxygen-enriched combustion Chen, R.; Axelbaum, R. L. Combustion and Flame, Vol. 142, Issue 1-2 https://doi.org/10.1016/j.combustflame.2005.02.008	journal	July 2005
Measurement and analysis of soot inception limits of oxygen-enriched coflow flames Kumfer, B. M.; Skeen, S. A.; Chen, R. Combustion and Flame, Vol. 147, Issue 3 https://doi.org/10.1016/j.combustflame.2006.08.004	journal	November 2006
Instantaneous devolatilization of pulverized coal particles in a hot gas with fluctuating temperature Zhang, Hongtao; Zhang, Jian Combustion and Flame, Vol. 153, Issue 1-2 https://doi.org/10.1016/j.combustflame.2007.11.011	journal	April 2008
Soot inception limits in laminar diffusion flames with application to oxy–fuel combustion Kumfer, B. M.; Skeen, S. A.; Axelbaum, R. L. Combustion and Flame, Vol. 154, Issue 3 https://doi.org/10.1016/j.combustflame.2008.03.008	journal	August 2008
Characteristics of non-premixed oxygen-enhanced combustion: I. The presence of appreciable oxygen at the location of maximum temperature Skeen, S. A.; Yablonsky, G.; Axelbaum, R. L. Combustion and Flame, Vol. 156, Issue 11 https://doi.org/10.1016/j.combustflame.2009.07.009	journal	November 2009
Characteristics of non-premixed oxygen-enhanced combustion: II. Flame structure effects on soot precursor kinetics resulting in soot-free flames Skeen, S. A.; Yablonsky, G.; Axelbaum, R. L. Combustion and Flame, Vol. 157, Issue 9 https://doi.org/10.1016/j.combustflame.2010.04.013	journal	September 2010
Ignition characteristics of single coal particles from three different ranks in O2/N2 and O2/CO2 atmospheres Khatami, Reza; Stivers, Chris; Levendis, Yiannis A. Combustion and Flame, Vol. 159, Issue 12 https://doi.org/10.1016/j.combustflame.2012.06.019	journal	December 2012
Experimental and modeling study of single coal particle combustion in O2/N2 and Oxy-fuel (O2/CO2) atmospheres Maffei, Tiziano; Khatami, Reza; Pierucci, Sauro Combustion and Flame, Vol. 160, Issue 11 https://doi.org/10.1016/j.combustflame.2013.06.002	journal	November 2013
Single particle ignition and combustion of anthracite, semi-anthracite and bituminous coals in air and simulated oxy-fuel conditions Riaza, Juan; Khatami, Reza; Levendis, Yiannis A. Combustion and Flame, Vol. 161, Issue 4 https://doi.org/10.1016/j.combustflame.2013.10.004	journal	April 2014
A comparison of various models in predicting ignition delay in single-particle coal combustion Goshayeshi, Babak; Sutherland, James C. Combustion and Flame, Vol. 161, Issue 7 https://doi.org/10.1016/j.combustflame.2014.01.010	journal	July 2014
The transition of heterogeneous–homogeneous ignitions of dispersed coal particle streams Yuan, Ye; Li, Shuiqing; Li, Gengda Combustion and Flame, Vol. 161, Issue 9 https://doi.org/10.1016/j.combustflame.2014.03.008	journal	September 2014
An observation of combustion behavior of a single coal particle entrained into hot gas flow Lee, Hookyung; Choi, Sangmin Combustion and Flame, Vol. 162, Issue 6 https://doi.org/10.1016/j.combustflame.2015.03.010	journal	June 2015
An overview of coal rank influence on ignition and combustion phenomena at the particle level Khatami, Reza; Levendis, Yiannis A. Combustion and Flame, Vol. 164 https://doi.org/10.1016/j.combustflame.2015.10.031	journal	February 2016
Experimental investigation of ignition behavior for coal rank using a flat flame burner at a high heating rate Kim, Ryang-Gyoon; Li, Dongfang; Jeon, Chung-Hwan Experimental Thermal and Fluid Science, Vol. 54 https://doi.org/10.1016/j.expthermflusci.2013.12.017	journal	April 2014
Characterization on hetero-homogeneous ignition of pulverized coal particle streams using CH∗ chemiluminescence and 3 color pyrometry Yuan, Ye; Li, Shuiqing; Zhao, Fengxuan Fuel, Vol. 184 https://doi.org/10.1016/j.fuel.2015.11.032	journal	November 2016
Study on the mechanisms of ultrafine particle formation during high-sodium coal combustion in a flat-flame burner Xiao, Zhenghang; Shang, Tiankun; Zhuo, Jiankun Fuel, Vol. 181 https://doi.org/10.1016/j.fuel.2016.01.033	journal	October 2016
Application of pulse detonation technology for boiler slag removal Huque, Ziaul; Ali, Muhammad R.; Kommalapati, Raghava Fuel Processing Technology, Vol. 90, Issue 4 https://doi.org/10.1016/j.fuproc.2009.01.004	journal	April 2009
Pulverized coal stream ignition delay under conventional and oxy-fuel combustion conditions Liu, Yinhe; Geier, Manfred; Molina, Alejandro International Journal of Greenhouse Gas Control, Vol. 5 https://doi.org/10.1016/j.ijggc.2011.05.028	journal	July 2011
Flame aerosol synthesis of nanostructured materials and functional devices: Processing, modeling, and diagnostics Li, Shuiqing; Ren, Yihua; Biswas, Pratim Progress in Energy and Combustion Science, Vol. 55 https://doi.org/10.1016/j.pecs.2016.04.002	journal	July 2016
Ignition and devolatilization of pulverized bituminous coal particles during oxygen/carbon dioxide coal combustion Molina, Alejandro; Shaddix, Christopher R. Proceedings of the Combustion Institute, Vol. 31, Issue 2 https://doi.org/10.1016/j.proci.2006.08.102	journal	January 2007
Particle imaging of ignition and devolatilization of pulverized coal during oxy-fuel combustion Shaddix, Christopher R.; Molina, Alejandro Proceedings of the Combustion Institute, Vol. 32, Issue 2 https://doi.org/10.1016/j.proci.2008.06.157	journal	January 2009
Numerical study of flame structure and soot inception interpreted in carbon-to-oxygen atom ratio space Xia, Fei; Yablonsky, Gregory S.; Axelbaum, Richard L. Proceedings of the Combustion Institute, Vol. 34, Issue 1 https://doi.org/10.1016/j.proci.2012.06.043	journal	January 2013
Ignition behaviors of pulverized coal particles in O2/N2 and O2/H2O mixtures in a drop tube furnace using flame monitoring techniques Zou, Chun; Cai, Lei; Wu, Di Proceedings of the Combustion Institute, Vol. 35, Issue 3 https://doi.org/10.1016/j.proci.2014.06.067	journal	January 2015
Dynamic behavior of sodium release from pulverized coal combustion by phase-selective laser-induced breakdown spectroscopy Yuan, Ye; Li, Shuiqing; Yao, Qiang Proceedings of the Combustion Institute, Vol. 35, Issue 2 https://doi.org/10.1016/j.proci.2014.07.016	journal	January 2015
The influence of carbon dioxide and oxygen as additives on soot formation in diffusion flames Du, D. X.; Axelbaum, R. L.; Law, C. K. Symposium (International) on Combustion, Vol. 23, Issue 1 https://doi.org/10.1016/s0082-0784(06)80419-4	journal	January 1991
Mechanism of solid-partical combustion with simultaneous gas-phase volatiles combustion Howard, J. B.; Essenhigh, R. H. Symposium (International) on Combustion, Vol. 11, Issue 1 https://doi.org/10.1016/s0082-0784(67)80164-4	journal	January 1967
The stratified composition of inorganic submicron particles produced during coal combustion Neville, M.; Sarofim, A. F. Symposium (International) on Combustion, Vol. 19, Issue 1 https://doi.org/10.1016/s0082-0784(82)80321-4	journal	January 1982
Role of Minerals in the Evolution of Fine Particulate Matter during Pulverized Coal Combustion Gao, Qi; Li, Shuiqing; Yuan, Ye Energy & Fuels, Vol. 30, Issue 3 https://doi.org/10.1021/acs.energyfuels.5b02268	journal	December 2015
Submicrometer Particle Formation and Mercury Speciation Under O ₂ −CO ₂ Coal Combustion Suriyawong, Achariya; Gamble, Michael; Lee, Myong-Hwa Energy & Fuels, Vol. 20, Issue 6 https://doi.org/10.1021/ef060178s	journal	November 2006
Mineral matter and trace-element vaporization in a laboratory-pulverized coal combustion system Quann, Richard J.; Neville, Matthew.; Janghorbani, Morteza. Environmental Science & Technology, Vol. 16, Issue 11 https://doi.org/10.1021/es00105a009	journal	November 1982
Thermocouple error correction for measuring the flame temperature with determination of emissivity and heat transfer coefficient Hindasageri, V.; Vedula, R. P.; Prabhu, S. V. Review of Scientific Instruments, Vol. 84, Issue 2 https://doi.org/10.1063/1.4790471	journal	February 2013
Group Ignition of a Cloud of Coal Particles Ryan, W.; Annamalai, K. Journal of Heat Transfer, Vol. 113, Issue 3 https://doi.org/10.1115/1.2910618	journal	August 1991
Measurement of High Gas Temperatures with Fine Wire Thermocouples Bradley, D.; Matthews, K. J. Journal of Mechanical Engineering Science, Vol. 10, Issue 4 https://doi.org/10.1243/jmes_jour_1968_010_048_02	journal	October 1968