详细介绍了选择性非催化还原( SNCR)烟气脱硝技术的原理、工艺流程及影响因素。简要分析了SNCR技术在循环流化床锅炉( CFB)中的应用优势，结合SNCR在美源热电厂的应用改造工程案例，验证了SNCR技术在CFB上的脱硝性能。%It describes the denitrificaation principles,process and influencing factors of Selective Non-Catalytic Reduction ( SNCR) technology. Combined SNCR application case in the transformation of US-source thermal power plant,the advantage of SNCR technology applied on the Circulating Fluidized Bed boiler is analyzed brief-ly. It verifyed the performance of SNCR technology on the CFB boiler.
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