Feasibility analysis on urea decomposition in gas turbine's transition duct

LU Chengzheng; WANG Lele; JIN lipeng; SONG Yubao; ZHAO Junwu; NIU Guoping

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Feasibility analysis on urea decomposition in gas turbine's transition duct

Thermal Power Generation Vol. 43, Issue 7, Pages: 21-26(2014)

更新时间：2025-09-28

- Feasibility analysis on urea decomposition in gas turbine's transition duct
- 作者机构：
  
  西安热工研究院有限公司苏州分院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK477
- Published：2014
- 稿件说明：
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LU Chengzheng, WANG Lele, JIN lipeng, et al. Feasibility analysis on urea decomposition in gas turbine's transition duct[J]. Thermal Power Generation, 2014, 43(7): 21-26.
DOI：

LU Chengzheng, WANG Lele, JIN lipeng, et al. Feasibility analysis on urea decomposition in gas turbine's transition duct[J]. Thermal Power Generation, 2014, 43(7): 21-26. DOI：

摘要

通过分析燃气轮机(燃机)过渡烟道内的烟气参数和烟气特性

以及尿素热解所需的条件

论证了利用燃机过渡烟道进行尿素热解的可行性

并提出了相关的设计参数。尿素热解雾化液滴中的最大粒径约180μm时

热解炉可正常运行。当燃机过渡烟道具有合适的温度、适当的雾滴粒径

满足停留时间和热解所需时间时

可保证尿素热解制氨

从而节省大量能源

使脱硝过程更加安全、经济、有效。

Abstract

By investigating the parameters and characteristics of flue gas in transition duct of gas turbine as well as the conditions the urea pyrolysis requires

the feasibility of taking use of the gas turbine's transition duct to carry out urea decomposition was demonstrated.Moreover

the relative design parameters were proposed.The maximum particle size of the atomized droplets formed during urea pyrolysis is 180μm

at this time the pyrolysis furnace run normally.The gas turbine's transition duct has proper temperature and suitable droplets' size

which satisfies the requirements of residence time and pyrolysis time the urea needs

so the decomposition of urea can be ensured.By this method

large amount of energy can be saved and the denitration process became more safe and economic.

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