SNCR+SCR技术在氧化铝焙烧炉烟气脱硝中的应用

A PPLICATION OF SNCR+SCR TECHNOLOGY IN FLUE GAS DENITRIFICATION OF ALUMINA ROASTING FURNACE.

对氧化铝焙烧烟气的脱硝改造中采用SNCR+SCR联合脱硝技术的优势和特点进行分析,提出脱硝改造设计的技术要点。采用SNCR+SCR联合脱硝技术在保证脱硝效率的同时延长了催化剂的使用寿命,并且其改造成本较低,应用效果较好,为氧化铝焙烧炉烟气脱硝改造提供了参考。

the advantages and characteristics of using SNCR+SCR combined denitrification technology in the denitrifi-cation transformation of alumina roasting flue gas are analyzed,and the technical points of denitrification transformation de-sign are proposed.The use of SNCR+SCR combined denitrification technology not only ensures denitrification efficiency but also extends the service life of the catalyst.Its transformation cost is low and the application effect is good,which provides a reference for the transformation of flue gas denitrification in alumina roasting furnaces.