Exergy analysis of rice husk gasification process in entrained-flow reactor

张亚宁

doi:10.3969/j.issn.0438-1157.2012.03.036

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Exergy analysis of rice husk gasification process in entrained-flow reactor

更新时间：2025-12-10

- Exergy analysis of rice husk gasification process in entrained-flow reactor
- CIESC Journal Issue 3, Pages: 929-934(2012)
- 作者机构：
  
  哈尔滨工业大学能源科学与工程学院
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2012.03.036
  CLC： K6
- Online First：05 March 2012，
  
  Published：05 March 2012
- 稿件说明：
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张亚宁. Exergy analysis of rice husk gasification process in entrained-flow reactor[J]. CIESC Journal, 2012, (3): 929-934.
DOI：

张亚宁. Exergy analysis of rice husk gasification process in entrained-flow reactor[J]. CIESC Journal, 2012, (3): 929-934. DOI： 10.3969/j.issn.0438-1157.2012.03.036.

摘要

Abstract

Effect of air equivalence ratio ER on rice husk gasification in an entrained-flow reactor at different temperatures is analyzed using exergy concept. The results show that the contribution of gas component to exergy value is as follows:CO>H2>CH4>(N2

C2H4

CO2).With ER goes up the exergy value and its efficiency increase first and then decrease for product gas

however

the residual ratio and exergy efficiency decline first and then augment for unreacted carbon. At ER 0.25 and reactor temperature 1000℃

total exergy value and exergy efficiency of product gas are 7983.95 kJ·kg-1 and 54.35%

respectively

and at ER 0.28 and temperature 1000℃

the residual ratio and exergy efficiency of unreacted carbon are 24.82% and 21.49%

respectively. Raising temperature can lift exergy value and exergy efficiency of product gas

but reduce residual ratio and exergy efficiency of unreacted carbon.

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