杨亚利,胡治平,蔡子建,胡昔鸣,武生,方梦祥

• 1:国能锦界能源有限责任公司
• 2:西北大学碳中和学院
• 3:浙江大学青山湖能源研究基地
• 4:国家能源集团科学技术研究院有限公司

摘要(Abstract)：

以某电厂15万吨/年CO_2捕集系统为研究对象，对其用水、耗水及水平衡情况进行了全面分析，分别对不同负荷工况下碳捕集系统的水平衡进行了试验与对比。试验结果表明，当前碳捕集系统水平衡存在的主要问题是吸收塔塔顶出口温度高于入口烟温，高负荷工况下，吸收塔内部的反应热较大，造成排汽温度过高，系统耗水大幅增加，吸收塔出口温度由54℃降低到43℃后，系统耗水降低约86.7%，节能效果显著。对此，结合实际运行情况，提出了通过调整循环水量，提高贫液冷却器和尾气洗涤器的换热效果，从而进一步改善吸收塔温度场，降低吸收塔出口温度的建议。试验结果可为碳捕集系统高效经济运行提供指导。

关键词(KeyWords)： 碳捕集系统;水平衡;吸收塔;循环水量

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划项目（2023YFE0199300）~~

作者(Author): 杨亚利,胡治平,蔡子建,胡昔鸣,武生,方梦祥

DOI: 10.19666/j.rlfd.202502017

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