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水蒸汽对先进再燃区脱硝效率的影响研究4 g3 R1 U, ?) W S# y. r6 c7 M0 q
2 i9 S6 }1 ~( I2 l! E9 }南开大学沈伯雄孙幸福
, X, }9 N% s: K7 [! D& e* t摘要：实验研究了以天然气和氨为还原剂，在高温环境中对烟气中氮氧化物进行还原脱除。在这个过程中，通过改变再燃区的温度、& U4 T5 P2 r& ?- c* A
过量氧系数、喷氨量、喷水蒸汽量等方法，提高再燃区的脱硝效率。通过实验研究对这些参数进行优化，并从机理上给予解释。本研究
+ n5 [. @3 T8 k7 P: E为其工业应用提供有价值的数据依据和理论基础。
+ ~1 {5 P' U' C$ v7 ~关键词：再燃脱硝；影响因素；机理分析7 G, ~# b* K) K8 I" C% E
中图分类号：X701文献标识码：A/ F+ j0 Y8 G8 R; M0 I$ b N4 O
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Experimental Study on Advanced Reburning to De-NO under High Temperature
3 A: n2 c0 Q- J& m2 Q2 z" l' rSHEN Bo-xiong,SUN Xing-fu
8 G7 N" I+ M& n/ @5 M3 e. t) I& o9 CAbstract:Experiments were carried out to study on the influences of parameters to de-NO by natural gas and ammonia
5 ~ x3 R+ g/ [# G1 A5 U! {9 z9 l {injection under high temperature.The parameters include temperature,excess oxygen ratio,NH3 injection,water vapor! R1 b' f* ~, O9 J2 E
content，etc.Many influences rules were found by the experiments,and their mechanism is explained.This will provide' v9 K z$ u/ d4 A7 Z" a/ U. |
valuable data and theory foundation for the utility of this technology.
, O. }* X8 }5 x2 I. KKey words:advanced reburning;influent parameters;mechanism analysis |
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发表于 2009-8-31 11:57:42
