
ȼú늏SӰ푰ʵҪؼƼg
ȼú늏Sŷżg·õ͵ȼxԴ߀ԭ(SCR) MϷʽÓЧʺNH3ǺSCRÓϵyăɂҪָʵذÓ偠t\зʽ߉xxyʽ
1ݵəCΣ
ȼú늏SSC ÓNH3xԴ߀ԭNOxҪW:
4NH3 + 4NO + O2 = 4N2 + 6H2O (1)
4NH3 + 6NO = 5N2 + 6H2O@yx (2)
4NH3 + 2NO2 + O2 = 3N2 + 6H2O (3)
8NH3 + 6NO2 = 7N2 + 12H2O (4)
90%95%NOxNOʽϷԷ(1)H\ܷlƺӰ푟oCNOȫÓSCRÓЧһ95%
ȼúкһ|ȵSO2ԼSO3SO2ڴMһSO3SO3cNH3ˮⷴ@c@
@γɜضSNH3SO3|֔˷e߶ӰҎD1ʾ
2Ӱ푰ʵҪ
2.1 Ó
ÓӰ푰ʵĸԭضˮm|ȵؾԮaӰSÓЧʵ߰ʳڅautoplus5-2xÓЧʸOӋֵrʴ
2.2
ָSCÓϵyڟԼϾ\^Ќĥpe^OӋֵҲӰ푰Ħȷֲ
ڳŷҪҪÓЧԽ߰ĦȲԵӰԽ@LڅҲԽ@ÓЧʞ92%rĦƫ2%ӵ12%rʏ1.00106ӵ8.0010-6
2.3 偠t\зʽ
CMؓȼr\ЅÓЧʺͰ@Ӱ^ߵȼMLʻ^ߵSCRNOx|MӰÓϵy\ЅͰ
2.4 ϵy
Óϵyϵyһù̶ĦȻ̶SCRNOx|ȵĿƷʽ̶ĦȿԭÓЧʰչ̶İĦÓNOx̶SCRNOx|ȿƷƻ·c̶ĦȵĿƷʽ֮ͬͬ̎˷NOx|ÓЧʸNOx|ȺͷNOx|OֵӋ@ðĦÓЧʵĺ
2.5 y̓x
ڰݵdzСՓӋyʴ_ԭλWyԌFھOyʴ_ܸߜ߉mӹrӰ
3ʿƼg
3.1
H\^SCRÓϵyКӷdzsڟOÌЧٶȷӬFɼb(ڵ1ӴϷbŵ)þֲٶȲĠrͬCMľwrOÌλʽڸͬrҪMܵ͵ϵy
֮cϵľԼڰć䷽ʽ͇cĻσɂҪȡQڇʽoBxc
3.2 ϵy
ᘌSCRÓϵyӕr}ͨ^AyںϸMĠB׃λaƵȼgǰAy{δ׃څÓϵy]hԺͿ_ćȡQڸ|İ|Ӌ{yѵĿƅͬOͿƗlͨ^ϵyƇrCe߇ϵyCMؓ׃푑ٶȱCMؓ׃rδrۙʹʳ
3.3 {
ڬFSCRÓϵyڲϵyOrͨ^Ń{ɸưĦȷֲľ
3.4 yxyM
ŷŸrҪmȵăx͜y`ݿƜʴ_ȵIJӰͨ^SCRMĜyԇöcȡ·ܵķʽߜycȡӴ
3.5 CM\ЃzSo
ȡtȼ{ʩͨ^{{xȼML(SOFA)LT_ȺúNȽÓbNOx|
ͣtzޕrz释ŇrćMдӏϵyyTľSoʹ{yõ{Ԝpك©
4YՓ
(1)xmćżbúÌŵSCRÓϵyԼϾԽͰĦȷֲƫ
(2)MSCRÓϵyͨ^AyƼgMǰƸƿ߉ĜӕrϵyCMؓ׃푑ٶ
(3)Ç{xtesto350FcNOxֲƥӏ{yOęzSoֹFֲ^
(4)ͨ^CM\Ѓ͠tȼ{͟NOx|ȲʹSCRڟⅢMܱClͬrPע՚Aȅ׃
(5)ͣtzڙzܲr̎ĥpͶ}C^ߵÓЧʽͰ
P]
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