Improved understanding of coal gasification chemical kinetics is needed to increase thermodynamic efficiency and to reduce undesirable CO2 emissions. This work describes an optically-accessible entrained-flow coal gasifier designed and built to allow measurements of the major species at various stages of the chemical reactions. The 2-meter tall gasifier consists of five subsystems: the optical diagnostics, steam generator, coal feeder, external heaters, and gas sampling and analysis. A stoichiometric H2-O2 flame generates superheated steam, the gasifying agent, which reacts with pulverized coal fed from a variable feed-rate pressurized powder feeder. To sustain the endothermic coal gasification reaction, radiant heaters provide 15 kW of external heating. Diagnostics to determine the major species concentrations consist of tunable diode laser absorption spectroscopy (TDLAS) measurements within the reactor vessel assembly and analysis of dry product gases using a gas chromatograph.
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ASME/JSME 2011 8th Thermal Engineering Joint Conference
March 13–17, 2011
Honolulu, Hawaii, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-3892-1
PROCEEDINGS PAPER
Design and Testing of a High Pressure and High Temperature, Optically Accessible, Entrained Flow Coal Gasifier
Indraneel Sircar
,
Indraneel Sircar
Purdue University, West Lafayette, IN
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Rohan Gejji
,
Rohan Gejji
Purdue University, West Lafayette, IN
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Anup Sane
,
Anup Sane
Purdue University, West Lafayette, IN
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David Blunck
,
David Blunck
Purdue University, West Lafayette, IN
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Scott Meyer
,
Scott Meyer
Purdue University, West Lafayette, IN
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Jay P. Gore
Jay P. Gore
Purdue University, West Lafayette, IN
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Indraneel Sircar
Purdue University, West Lafayette, IN
Rohan Gejji
Purdue University, West Lafayette, IN
Anup Sane
Purdue University, West Lafayette, IN
David Blunck
Purdue University, West Lafayette, IN
Scott Meyer
Purdue University, West Lafayette, IN
Jay P. Gore
Purdue University, West Lafayette, IN
Paper No:
AJTEC2011-44201, T20096; 8 pages
Published Online:
March 1, 2011
Citation
Sircar, I, Gejji, R, Sane, A, Blunck, D, Meyer, S, & Gore, JP. "Design and Testing of a High Pressure and High Temperature, Optically Accessible, Entrained Flow Coal Gasifier." Proceedings of the ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASME/JSME 2011 8th Thermal Engineering Joint Conference. Honolulu, Hawaii, USA. March 13–17, 2011. T20096. ASME. https://doi.org/10.1115/AJTEC2011-44201
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