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Two-stage thermochemical conversion of solid fuel in a setup with steam ejection

Two-stage thermochemical conversion of solid fuel in a setup with steam ejection Abstract The paper presents a set of tests with a setup using steam supply into ejector instead of compressed air. Experi-ments measured the gas analysis data — volumetric concentrations O2, CO, CO2, C n H m , NO x , H2 at different propor-tions of air and steam. The data are compared with calculations for thermodynamic equilibrium compositions for the reacting mixture С+Н2О+air performed by “Terra” computer code including the case of air excess (α ≤ 1). The cal-culations were also compared with available data on gasification output at a high content of ballasting gas. It was demonstrated that in these operation modes, the steam was an inert dilution agent, which did not exclude the outcome of coal gas production with high Н2/СО and СО/СО2 ratios corresponding to different modes of gasification. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Thermophysics and Aeromechanics Springer Journals

Two-stage thermochemical conversion of solid fuel in a setup with steam ejection

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References (11)

Publisher
Springer Journals
Copyright
2018 Pleiades Publishing, Ltd.
ISSN
0869-8643
eISSN
1531-8699
DOI
10.1134/S0869864318020154
Publisher site
See Article on Publisher Site

Abstract

Abstract The paper presents a set of tests with a setup using steam supply into ejector instead of compressed air. Experi-ments measured the gas analysis data — volumetric concentrations O2, CO, CO2, C n H m , NO x , H2 at different propor-tions of air and steam. The data are compared with calculations for thermodynamic equilibrium compositions for the reacting mixture С+Н2О+air performed by “Terra” computer code including the case of air excess (α ≤ 1). The cal-culations were also compared with available data on gasification output at a high content of ballasting gas. It was demonstrated that in these operation modes, the steam was an inert dilution agent, which did not exclude the outcome of coal gas production with high Н2/СО and СО/СО2 ratios corresponding to different modes of gasification.

Journal

Thermophysics and Aeromechanics – Springer Journals

Published: Mar 1, 2018

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