本文選題：熱重紅外聯(lián)用技術(shù) + 褐煤　； 參考：《煤炭轉(zhuǎn)化》2017年01期

【摘要】：針對褐煤燃燒過程中產(chǎn)生的NO及還原氣體,采用熱重紅外聯(lián)用技術(shù)研究尾礦加入后褐煤燃燒特性、NO生成量及還原氣體的變化.結(jié)果表明,尾礦的加入對水分析出溫度和揮發(fā)分燃燒溫度的影響較小,但焦炭的起始燃燒溫度相對降低,促進(jìn)了焦炭燃燒階段的進(jìn)行.褐煤燃燒過程產(chǎn)生的還原氣體主要為CH4,NH3,CO及脂肪烴類(—CH2),尾礦的加入催化了NO與還原氣體的反應(yīng),低溫條件下以NH3還原NO為主,且尾礦催化存在選擇性,其對CO還原NO的催化強(qiáng)度較其他幾種氣體弱.
[Abstract]:Aiming at no and reducing gas produced in lignite combustion process, the combustion characteristics of lignite and the change of no production and reduction gas were studied by thermogravimetric infrared (TG-IR) technique. The results show that the addition of tailings has little effect on the temperature of water analysis and the combustion temperature of volatile matter, but the initial combustion temperature of coke is relatively lower, which promotes the combustion stage of coke. The reduction gases produced by lignite combustion are mainly Ch _ 4H _ 3N _ 3CO and fatty hydrocarbons, such as Ch _ 4H _ 3CO and fatty hydrocarbons. The reaction of no with reducing gas is catalyzed by the addition of tailings. At low temperature, the reduction of no is dominated by NH3, and the selectivity of tailings is also found. The catalytic strength of CO to reduce no is weaker than that of other gases.
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本文編號：1976050