Study on ammonium bicarbonate solid pyrolysis system for ammonia production in coal-fired power plants

蒙毅; 刘逸芸; 宋士林; 刘玺璞

doi:10.19666/j.rlfd.202502010

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Study on ammonium bicarbonate solid pyrolysis system for ammonia production in coal-fired power plants

更新时间：2025-11-21

- Study on ammonium bicarbonate solid pyrolysis system for ammonia production in coal-fired power plants
- Thermal Power Generation Issue 11, Pages: 76-82(2025)
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- DOI：10.19666/j.rlfd.202502010
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- Published：2025
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蒙毅, 刘逸芸, 宋士林, et al. Study on ammonium bicarbonate solid pyrolysis system for ammonia production in coal-fired power plants[J]. Thermal Power Generation, 2025, (11): 76-82.
DOI：

蒙毅, 刘逸芸, 宋士林, et al. Study on ammonium bicarbonate solid pyrolysis system for ammonia production in coal-fired power plants[J]. Thermal Power Generation, 2025, (11): 76-82. DOI： 10.19666/j.rlfd.202502010.

摘要

碳酸氢铵固体是一种潜在的脱硝还原剂，可以通过固体直接热解高效制取氨气。通过数值计算模拟了碳酸氢铵固体热解反应，并设计了适用于燃煤电厂的热解制氨系统，分析了碳酸氢铵热解制氨过程的经济性。模拟结果显示，碳酸氢铵热解过程适宜在常压下进行，反应温度在100℃以上时热解转化率迅速提高。对660 MW机组的碳酸氢铵热解系统进行了设计计算，采用外热式热解反应器以实现余热利用和固体稳定进料，利用燃煤电厂蒸汽或烟气作为热解热源，在110℃时碳酸氢铵进料在10 min内可以达到95%转化率。相比尿素水解制氨工艺，碳酸氢铵固体热解工艺的设备成本、占地面积和运行费用均显著降低，具有良好的推广应用前景。

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