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在一个容量为 6 40MJ/h ,配有独立的制粉系统和烟气取样分析系统的一维半工业化热态试验台上 ,对某电厂经常燃用的四种褐煤及其混煤的结渣和NOx排放特性进行了研究。利用焦渣比和灰熔点对混煤的结渣程度进行了判别 ,发现混煤的结渣特性与掺混煤种的结渣特性有很大的不同 ,而NOx的生成量与煤种的氮含量基本呈线性关系
On a one-dimensional semi-industrial thermal test bed with a capacity of 640MJ / h and equipped with an independent milling system and flue gas sampling and analysis system, the slagging of four lignites and their mixed coal, And NOx emission characteristics were studied. The degree of slagging of mixed coal was judged by the ratio of coke and ash and ash melting point. It was found that the slagging characteristics of mixed coal and that of blended coal were very different. However, the formation of NOx and the nitrogen The content of the basic linear relationship