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      gӭR ӱ˼Pܭh(hun)Ƽ޹˾

      Ia(chn)Ʒ

      Óˮ؇ÓS
      “(lin)ϵʽ
      ַ S·888̖ 
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      “(lin)ϵˣ(jng)
      YӍϢ

      F(xin)ڵλã > „Ϣ > Ԕ(x)(ni)

      ٟl(f)늏SSNCRÓˇ̈DˮÓλx

      l(f)rg2021-12-20

      ٟl(f)늏SSNCRÓˇ



      ٟl(f)늏Sʹðˮ߀ԭSNCRÓg(sh)ڇ(ni)ĿܶUٟSSNCRÓg(sh){(dio)ԇ^ƹ̵{(dio)ԇṩһą

      Ox һNҪĴȾ|(zh)NOx c̼?x)仯ڏ?qing)ɹ⻯W(xu)ȾŷŵеNOxγɳƉĵҪԭ(yn)ΣB(ti)h(hun)˾нijصٟl(f)늏S3_ٟtğÓ(dng)?sh)ҪNOxŷҪ200 mg/Nm3֮ǰ650 mg/Nm3ć(bio)ҪҪ(yn)öҷ԰ˮ߀ԭSNCRÓg(sh)ȡõЧ

      2SNCRÓg(sh)Ĺԭ

      SNCRxԷǴ߻߀ԭselective non-catalytic reductionÓ NOxg(sh)ڛ]д߻ڗlѺ NHx ߀ԭ(簱ˮص)tŜضȞ 850桫1050ą^(q)ԓ߀ԭѸֽٟ NH3 a(chn)S NH3 cе NOx M(jn) SNCR (yng) N2H2O

      25%İˮ(NH3OH )߀ԭڜضȞ850桫1050ķ(ni)߀ԭ NOx ĻW(xu)(yng)ʽҪ飺


      3NH3OH +NO+O22N2+6H2O

      4NH3OH +2NO23N2+8H2O

      3SNCRÓg(sh)š

      SNCRϵy(tng)԰ˮ߀ԭ}ˮϡጄԓϵy(tng)^(q)Mքe飺ˮ^(q)}ˮ^(q)ģK^(q)^(q)ģK^(q)ϵy(tng)ҪO(sh)Ҋ1

      1 SNCRϵy(tng)ҪO(sh)

      Tab.1.

      ٟl(f)늏SSNCRÓ̵{(dio)ԇg(sh)

      ˮͳ}ˮM(jn)ģKģK(j)DCSӳ偠tضȼNOxȌҺĝM(jn){(dio)(ji)֮ډs՚‡tŜضȞ850桫1050ą^(q)ԓ߀ԭѸټӟֽNH3a(chn)SNH3cеNOx M(jn)SNCR(yng)N2ϵy(tng)ҊD1

      Ó

      ˮ

      Ӌ

      ģK偠t

      D1 Óϵy(tng)D

      Fig.1

      4{(dio)ԇҪ

      SNCRϵy(tng)ݔֵŷֵ

      (1)L(fng)C(j)NOxСrֵ200mg/Nm3

      (2)24Сrֵ10mg/Nm3

      5{(dio)ԇ^

      SNCRÓϵy(tng){(dio)ԇҪB(ti){(dio)ԇ͟B(ti){(dio)ԇ

      5.1.B(ti){(dio)ԇ^

      ϵy(tng)B(ti){(dio)ԇҪƒ(ni)ݣ

      (1)ϵy(tng)ĸۙz_ϵy(tng)O(sh)䰲bo`

      (2)늄O(sh)ԇ\(yn)Ҫˮ^(q)жdúݔͱԼ}ˮ^(q)ݔͱ

      (3)ϵy(tng)йܵM(jn)ЉԇвP䓹ܵԇ|(zh)}ˮ\䓹ܵԇ|(zh)鉺s՚ԇ򞉺O(sh)Ӌ1.5ԇrl(f)F(xin)©cҪrֱ̎ϵy(tng)(yn)ܲ©܉(wn)30ϡˮԇĹܵY(ji)És՚⌢ܵ(ni)ˮ߸Ƀ

      (4)ϵy(tng)(ni)xM(jn)У(zhn)ԇ򞡣Ҫˮ^(q)}ˮ^(q)ҺλӋˮ^(q)ĝȈ̽^׃ȫy

      B(ti){(dio)ԇY(ji)

      5.2.B(ti){(dio)ԇ^

      ϵy(tng)ğB(ti){(dio)ԇҪƒ(ni)ݣ

      (1)C(j)Mؓ(f)ɷ(wn)ھųͨ^βھO(jin)yϵy(tng)NOxȡضӋҪĻҺ


      ˮc}ˮϣĝȡ

      (2)ڟضؓ(f)ҪrעҺM(jn)Ó(j)ھO(jin)yϵy(tng)NOxą(sh)ҺĝM(jn){(dio)

      (3)Óϵy(tng)M(jn)Ԅ\(yn)пƠB(ti)ͨ^׃ؓ(f)\(yn)ԇ򞌦ϵy(tng)(sh)M(jn)ж෽ęzM(jn)һ{(dio)ʹÓϵy(tng)\(yn)Ѕ(sh)_(d)O(sh)ӋҪ

      ٟl(f)늏SʹSNCRÓg(sh)M(jn)ПÓ{(dio)ԇ^(yng)ԓעŽc}

      (1)ˮćλõxNOxķֲڠtŌǽ(jng)׃c̫ٻ򇊵t(ni)ijϵİtF(xin)ֲ^ߵİ©ʧӰÓЧԇćλҪǠt(ni)ЧIJλ

      (2)ˮ^(q)İȈ̽^bɺҪðM(jn)ԇ_bùzyY(ji)(zhn)_

      (3)һNȼױľиgԵΣUW(xu)Ʒ{(dio)ԇˆT{(dio)ԇ֮ǰ(yng)ԓJ(rn)RˮcԣϤ|P(gun)¹ʓk(j)ΣUW(xu)ƷȫlҎ(gu)ƶ(yng)ԮA(y)ҪP(gun)ˆTͷo(h)

      ̵ğSNCRÓ̎ą(sh)2ʾָ(bio)ȫ_(d)O(sh)ӋҪ

      2

      Tab.2

      ٟl(f)늏SSNCRÓ̵{(dio)ԇg(sh)




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