Experimental study on co-combustion of different ratios of ammonia with coal

WANG Zhichao; FANG Liang; JIA Zixiu; LI Yuhang; ZHAO Chen; JIN Zhonghua; YAO Wei

doi:10.19666/j.rlfd.202301018

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Experimental study on co-combustion of different ratios of ammonia with coal

更新时间：2025-09-28

- Experimental study on co-combustion of different ratios of ammonia with coal
- Thermal Power Generation Vol. 52, Issue 7, Pages: 41-47(2023)
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 陕西省燃煤电站锅炉环保工程技术研究中心
  3. 浙江浙能嘉华发电有限公司
  4. 西安益通热工技术服务有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202301018
  CLC： TQ534;TQ113.2
- Published：2023
- 稿件说明：
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WANG Zhichao, FANG Liang, JIA Zixiu, et al. Experimental study on co-combustion of different ratios of ammonia with coal[J]. Thermal power generation, 2023, 52(7): 41-47.
DOI：

WANG Zhichao, FANG Liang, JIA Zixiu, et al. Experimental study on co-combustion of different ratios of ammonia with coal[J]. Thermal power generation, 2023, 52(7): 41-47. DOI： 10.19666/j.rlfd.202301018.

摘要

氨作为一类技术成熟、储运成本低廉的零碳燃料，部分替代煤可以成为“双碳”目标下火电机组前端减碳的有效途径。针对氨作为替代燃料开展研究，利用一维火焰炉和着火炉等试验设备研究了氨与典型烟煤混合燃料的燃料特性，详细研究并分析了氨/煤混合燃料着火性能变化、不同比例氨混合燃料强化燃烧与污染物控制技术，发现氨与煤预混燃烧不利于NO_x控制，通过燃料分级、燃烧过量空气系数或氧量控制、空气分级燃烧，可以实现氨掺混时较低的NO_x生成和较好的燃烧效果，试验得出热值比例25%氨分别与典型烟煤混合燃烧时运行控制建议。

Abstract

Ammonia is a kind of zero-carbon fuel with mature technology and low storage and transportation cost.Partial replacement of coal with ammonia can become an effective way to reduce carbon at the front end of coalfired units under the dual carbon target. Ammonia fuel is studied as an alternative fuel. The fuel characteristics of ammonia and its blended fuel with typical bituminous coal are studied by using one-dimensional flame furnace and ignition furnace. The ignition performance changes of ammonia/coal blended fuel

the enhanced combustion and pollutant control technology of different proportions of ammonia blended fuel are studied and analyzed in detail. It is found that the pre-blended combustion of ammonia/coal is not conducive to NO_x control. Through fuel grading

combustion excess air coefficient or oxygen control

and air staged combustion

lower NO_x generation concentration and better combustion effect can be achieved during ammonia blending. The operation control suggestions of 25%ammonia mixed with typical bituminous coal are obtained.

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