1 biomass gasification with high temperature and oxygen deficient oxidizer objectives are...
Post on 19-Dec-2015
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Biomass Gasification with High temperature and Oxygen Deficient oxidizer
• Objectives are investigation the behaviors of biomass and RDF fuel during High-Temperature combustion with different compositions of the oxidizer.
• Guest researcher: Mr.Sławomir Kakietek Institute of Power Engineering, Augustówka 5 Street, 02-981 Warszawa, Poland, tel. +48 22 34 51 126, fax. +48 22 642 83 78, email: [email protected]
• Project supervisor:Professor Wlodzimierz BlasiakHead of the Division of Energy and Furnace TechnologyKTH,Sweden. Email: [email protected]
• Technical support:Dr. Sylwester Kalisz: Email: [email protected] Dr. Yang Weihong, Email: [email protected]
• Project sponser:SUSPOWER , European Community Research Programme
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Experimental results
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Ign
itio
n d
ela
y [
s]
..
21% 10% 5%
O2 concentration [% ]1000C 800C 600C
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Ma
ss
lo
ss
[%
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15 30 45 60 180 300
Time [s]21% O2 10% O2 5% O2
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Inc
rea
se
of
ma
ss
lo
ss
[%
]
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15 30 45 60 180 300
Time [s]21% O2 10% O2 5% O2
Comparison of mass loss for different O2 concentration for 1000ºC
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Ign
itio
n d
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y [
s]
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21% 10% 5%
O2 concentration [% ]1000C 800C 600C
Ignition delay for different temperatures and O2 concentration, a) wood pellets,b) RDF pellets
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Experimental results
4.92 s (ignition) 15.81 s 16.77 s 18.93 s 7 s
Temperature of air – 1000ºC, 21% of O2, RDF pellets
55.89 s (typical flame) 213.87 s 284.85 s