The Study of Coal Gasification in Molten Blast Furnace Slag

被引：0
作者：
Li, Peng [1 ]
Yu, Qingbo [1 ]
Qin, Qin [1 ]
Du, Wenya [1 ]
机构：
[1] Northeastern Univ, SEP Key Lab Ecoind, Shenyang 110004, Liaoning, Peoples R China
来源：
ENERGY TECHNOLOGY 2011: CARBON DIOXIDE AND OTHER GREENHOUSE GAS REDUCTION METALLURGY AND WASTE HEAT RECOVERY | 2011年
关键词：
coal gasification; molten slag; blast furnace; waste heat recovery; high temperature; economic and environmental evaluation; ROTARY CUP ATOMIZER; RECOVERY; FEASIBILITY; HEAT;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A new heat recovery system is proposed. This system uses the endothermic heat of gasification reaction instead of sensible heat to recover the energy of molten blast furnace slag. The gasification technological parameter in molten blast furnace was calculated and the exergy of the system was analyzed. The gasification reactions were studied kinetically by the isothermal thermogravimetry using STA409PC thermal analyzer. The results showed that, according to different gasification agent, this system can produce syngas with different C-H ratio. The exergy efficiency of this system is high and its internal exergy loss rate is about 11%. This method can bring huge economic and environmental benefits which are important to the survival and sustainable development of iron-steel enterprises. The molten BF slag acts as not only thermal media but also good catalyst. The kinetic parameters on gasification reaction with different types of coal used differ from each other.
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页码：77 / 83
页数：7
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