| SCR系统尿素结晶结石研究 |
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| 引用本文： | 桑心成. SCR系统尿素结晶结石研究[J]. 湖南农机, 2016, 0(9): 31-33. DOI: 10.3969/j.issn.1007-8320.2016.09.020 |
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| 作者姓名： | 桑心成 |
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| 作者单位： | 北京福田戴姆勒汽车有限公司,北京,110114 |
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| 摘 要： | 随着汽车排放法规的严格要求，SCR后处理系统在重型柴油机得到了广泛的应用。文章基于SCR系统在重型柴油机上试验及实际应用过程中，出现尿素喷嘴座结石、尿素喷嘴座结晶问题、排气管路结晶结石问题以及控制策略问题，利用称重方法以及红外法对尿素结晶结石进行分析，提出了解决SCR系统结晶结石方法。
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| 关 键 词： | SCR系统 尿素 结晶结石 |
Research on Selective Catalytic Reduction about Crystal Stones |
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| Abstract: | As the vehicle emission regulations strictly requirements,SCR system has been widely used in heavy-duty diesel engine.Based on the SCR system on heavy duty diesel engine test and actually application,this paper points out the problems and control strategies,such as urea nozzle block stones,urea crystallization of the nozzle seat,exhaust line crystal stones,analyzes urea crystal stone by usingweighing method and infrared,and puts forward measures to solve crystal stone SCR system. |
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| Keywords: | SCR system urea crystal stones |
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