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幹法脫硫脫硝技術被廣泛使用沒有脫白問題産生

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发表时间：2020-08-02 08:53

　　新型幹法脫硝技術說明：新型幹法脫硝是在煙氣500-1100攝氏度的溫度區間內尋找合適的反應截面，噴射具有高活性的粉末脫硝還原劑，將NOX還原成氮氣的過程。主要設備包括料倉、粉體輸送計量裝置、粉末噴槍、PLC控制系統等。本套裝置爲模塊化設備，具有高集成、占地小，安裝快，效率高的特點。

新型幹法脫硫脫硝設備解決了傳統氣力輸送設備中普遍存在的下料不暢、分配不均、計量不准的問題，保證了系統穩定運行和超高的脫硫脫硝效率。

高分子脫硝劑是一種高分子活性物質，通過氣力混合然後輸送到鍋爐爐膛中，在700℃以上被激活、氣化，瞬間與NO_x發生化學反應，還原成N₂和H₂O。這樣，從源頭遏制了NO_x的形成，達到脫硝的目的，其反應方程式爲：

C_nH_mN_s（高分子脱硝　　剂） + NO_x =CO₂ + N₂+ H₂O

固態高分子還原劑說明

固態高分子還原劑是一種以高效還原活性的功能高分子材料爲主要組成成份的固態粉末混合物。其中含有的主要組份有：功能高分子還原材料（C_nH_mN_s）、乳化劑、分散劑、緩釋劑、活化劑和滲透劑，以及由氧、鎂、鋁、矽、硫、鈣、鋇、錳和稀土元素等化合物組成的催化劑及其助劑。借助稀土元素增加催化劑的活性，催化劑借助介孔結構的複合載體強化加氫還原活性完成加氫脫硝過程，降低煤炭燃燒後的廢氣中的有害氣體NO_x的排放量。

上一篇脫硝中的溫度、粉塵的變化充分暴露SCR實際應用的不穩定性

下一篇中創環保脫硝行業的累積經驗使我們更專業

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