鎽樿锛氫即闅ㄨ憲鎴戝湅(gu贸)灏�(du矛)NOx鐨勬帓鏀剧鎺ф棩鐩婂毚(y谩n)鍘�锛岄€氶亷(gu貌)楂樻晥浣庢爱鐕冪噿鎶€琛�(sh霉)閰嶅悎SNCR鎶€琛�(sh霉)鎴朣NCR/SCR鑱�(li谩n)鍚堟妧琛�(sh霉)閫�(j矛n)琛岃劔纭濆凡缍�(j墨ng)鎴愮偤涓绘祦銆傞洊鐒剁洰鍓嶇噧鐓ゅ伐妤�(y猫)鐖愮NOx鐨勬笡鎺掓晥鏋滃崄鍒嗛’钁�锛屼絾鏄亷(gu貌)鍒嗚拷姹傝劔纭濇晥鐜�锛屽鏄撳鍔犳皑鑰楅噺锛岄€�(j矛n)鑰屽紩鐧�(f膩)姘ㄩ€冮€革紝閫犳垚浜屾姹℃煋鍙婅厫铦曡ō(sh猫)鍌欑瓑鍟�(w猫n)椤�銆�

鏈枃閫氶亷(gu貌)鍒嗘瀽SNCR鑴鎶€琛�(sh霉)涓皑鑰楅噺鍜屾皑閫冮€哥殑涓昏褰遍熆鍥犵礌锛屽苟鎻愬嚭鍒囧(sh铆)鍙鐨勫皪(du矛)绛栧姞浠ユ帶鍒�銆�

闂�(gu膩n)閸佃锛氳劔纭�;SNCR;鑴鏁堢巼;姘ㄨ€楅噺;姘ㄩ€冮€�;

寮曡█

姘哀鍖栫墿(NOx)鏄ぇ姘ｇ殑涓昏姹℃煋鐗╀箣涓€锛屽畠鑸囩⒊?x矛)娴狀嚡琛旈晫瓒�?qi谩ng)鍏変綔鐢ㄤ笅鏈�(hu矛)閫犳垚鍏夊寲瀛�(xu茅)姹℃煋锛屾帓鏀惧埌澶ф埃涓殑NOx鏄舰鎴愰吀闆ㄧ殑涓昏鍘熷洜锛岀郸鐢熸厠(t脿i)鐠�(hu谩n)澧冨付渚�(l谩i)鍤�(y谩n)閲嶇殑鍗卞銆傞花鐨勫崄涔濆ぇ鎸囧嚭锛屾寔绾�(x霉)瀵�(sh铆)鏂藉ぇ姘ｆ薄鏌撻槻娌昏鍕�(d貌ng)锛屾墦璐忚棈(l谩n)澶╀繚琛�(w猫i)鎴�(zh脿n)銆傜洰鍓嶅湅(gu贸)鍏�(n猫i)70%宸﹀彸鐨凬Ox鏄敱鐓ょ偔鐕冪噿鎵€鐢�(ch菐n)鐢熺殑锛屽洜姝や綔鐐轰富瑕佺噧鐓よō(sh猫)鍌欑殑鐏浕寤犲拰宸ユキ(y猫)鐖愮鎴愮偤鎺у埗NOx鎺掓斁鎵€闂�(gu膩n)娉ㄧ殑鐒﹂粸(di菐n)銆�

鐩墠锛岀噧鐓�閸嬬垚涓绘祦鐨凬Ox鎺у埗鎶€琛�(sh霉)鐐轰綆姘噧鐕掓妧琛�(sh霉)(LNB)鍜岀厵姘ｈ劔纭濇妧琛�(sh霉)锛屽叾涓厵姘ｈ劔纭濇妧琛�(sh霉)涓昏鍖呮嫭閬告搰鎬ч潪鍌寲閭勫師鍙嶆噳(y墨ng)(SNCR)銆侀伕鎿囨€у偓鍖栭倓鍘熷弽鎳�(y墨ng)(SCR)鍜孲NCR/SCR鑱�(li谩n)鍚堣劔纭濇妧琛�(sh霉)銆傚皪(du矛)浜庡ぇ鍨嬬噧鐓ら崑鐖愯€岃█锛孲CR浠ュ叾鎶€琛�(sh霉)鎴愮啛鍙�90%浠ヤ笂鐨勮劔纭濇晥鐜�锛屾鐒�(w煤)鐤戝晱(w猫n)鍦ㄦ垜鍦�(gu贸)宸插ぇ瑕�(gu墨)妯＄殑鎺ㄥ唬鎳�(y墨ng)鐢ㄣ€備即闅ㄨ憲鎴戝湅(gu贸)灏�(du矛)NOx鐨勬帓鏀剧鎺ф棩鐩婂毚(y谩n)鍘�锛屼腑灏忓瀷鐕冪叅閸嬬垚銆佸惊鐠�(hu谩n)娴佸寲搴婇崑鐖愩€佹按娉ョ鐖�銆侀櫠鐡风鐖�銆佸瀮鍦剧剼鐕掔垚浠ュ強鐕�?x矛)蹇哗t绛夊伐妤�(y猫)鐖愮浣滅偤闂�(gu膩n)閸电殑NOx鐨勬帓鏀炬簮涔嬩竴锛岄嚌灏�(du矛)姝ら鐖愮鑴鐨勫伐绋嬫噳(y墨ng)鐢ㄦ妧琛�(sh霉)鎸佺簩(x霉)鐧�(f膩)灞�锛岄€氶亷(gu貌)楂樻晥浣庢爱鐕冪噿鎶€琛�(sh霉)閰嶅悎SNCR鎶€琛�(sh霉)鎴朣NCR/SCR鑱�(li谩n)鍚堟妧琛�(sh霉)閫�(j矛n)琛岃劔纭濆凡缍�(j墨ng)鎴愮偤涓绘祦銆�

闆栫劧鐩墠鐕冪叅宸ユキ(y猫)鐖愮NOx鐨勬笡鎺掓晥鏋滃崄鍒嗛’钁�锛屼絾鏄亷(gu貌)鍒嗚拷姹傝劔纭濇晥鐜囷紝瀹规槗澧炲姞姘ㄨ€楅噺锛岄€�(j矛n)鑰屽紩鐧�(f膩)姘ㄩ€冮€�锛岄€犳垚浜屾姹℃煋鍙婅厫铦曡ō(sh猫)鍌欑瓑鍟�(w猫n)椤屻€�

1SNCR鑴鎶€琛�(sh霉)绨�(ji菐n)浠�

SNCR鑴宸ヨ棟鏄湪涓嶄娇鐢ㄥ偓鍖栧姂鐨勬浠朵笅锛屽皣鍚湁姘ㄥ熀鐨勯倓鍘熷姂濡傛恫姘ㄣ€佹皑姘存垨灏跨礌绋€婧舵恫绛夊櫞鍏ョ垚鑶涙韩搴︾偤850-1100鈩冪殑鍗€(q奴)鍩�锛岄倓鍘熷姂杩呴€熺啽鍒嗚В鍑篘H3锛屽啀鑸囩厵姘ｄ腑鐨凬Ox閫�(j矛n)琛岄伕鎿囨€ф哀鍖栭倓鍘熷弽鎳�(y墨ng)锛岀敓鎴愮劇(w煤)瀹崇殑N2鍜孒2O绛夋埃楂�銆傜敱浜庢暣鍊�(g猫)鍙嶆噳(y墨ng)閬�(gu貌)绋嬩腑鏈娇鐢ㄥ偓鍖栧姂锛屽洜姝ょū涔嬬偤閬告搰鎬ч潪鍌寲閭勫師鑴鎶€琛�(sh霉)銆�

浠ユ皑鐐洪倓鍘熷姂鐨勪富瑕佸弽鎳�(y墨ng)寮忕偤锛�

4NH3+4NO+O2=4N2+6H2O;

4NH3+2NO2+O2=3N2+6H2O;

閲囩敤灏跨礌浣滅偤閭勫師鍔戠殑涓昏鍖栧(xu茅)鍙嶆噳(y墨ng)鐐猴細

CO(NH2)2+H2O=2NH3+CO2;

4NH3+4NO+O2=4N2+6H2O;

4NH3+2NO2+O2=3N2+6H2O;

2SNCR绯荤当(t菕ng)鐓欐埃鑴閬�(gu貌)绋嬪寘鎷笅闈㈠洓鍊�(g猫)宸ヨ棟姝ラ锛�

鎺ユ敹鍜屽劜(ch菙)瀛橀倓鍘熷姂;

閭勫師鍔戠殑瑷�(j矛)閲忚几鍑�銆佽垏姘存垨绌烘埃娣峰悎绋€閲�;

鍦ㄧ垚鑶涘悎閬╀綅缃櫞鍏ョ█閲嬪悗鐨勯倓鍘熷姂;

閭勫師鍔戣垏鐓欐埃娣峰悎閫�(j矛n)琛岃劔纭濆弽鎳�(y墨ng)銆�

3SNCR鑴鎶€琛�(sh霉)姘ㄨ€楅噺鍜屾皑閫冮€哥殑褰遍熆鍒嗘瀽鍙婂皪(du矛)绛�

鍦ㄨ劔纭濆弽鎳�(y墨ng)閬�(gu貌)绋嬩腑鐓欐埃涓瓨鍦ㄨ憲娌�(m茅i)鏈夊弮鑸囧弽鎳�(y墨ng)鐨勬皑閫氶亷(gu貌)鍙嶆噳(y墨ng)鍣ㄦ帓鏀惧埌鐓欐埃涓殑鐝�(xi脿n)璞″彨姘ㄩ€冮€�銆傛皑閫冮€稿彲鑳芥渻(hu矛)灏�(d菐o)鑷村涓嬬殑骞惧€�(g猫)鍟�(w猫n)椤岋細鏄撲娇涓嬫父瑁濈疆濡傜┖姘ｉ爯(y霉)鐔卞櫒绌嶇伆鍫靛锛岄€犳垚澹撴悕鍗囬珮浠ュ強浣庢韩鑵愯潟绛夊晱(w猫n)椤�;褰遍熆椋涚伆鐨勫搧璩�(zh矛)锛屽皫(d菐o)鑷撮浕闄ゅ〉鍣ㄦサ绶氱⿳鐏版垨甯冭闄ゅ〉鍣ㄧ硦琚嬬瓑鍟�(w猫n)椤�;褰㈡垚鍙(ji脿n)鐓欐煴锛屽鍔燩M2.5鐨勬帓鏀�;閲嬫斁鍒板ぇ姘ｄ腑鏈�(hu矛)灏�(du矛)浜洪珨鍋ュ悍甯朵締(l谩i)璨�(f霉)闈㈠奖闊�銆�

鎵€浠�锛屾噳(y墨ng)鐢ㄨ劔纭濇妧琛�(sh霉)鐨勭洰妯�(bi膩o)鏄渶澶х▼搴︾殑闄嶄綆NOx婵冨害锛屽悓鏅�(sh铆)鎺у埗姘ㄨ€楅噺锛屽(sh铆)鐝�(xi脿n)鏈€灏忕殑姘ㄩ€冮€�銆�

褰遍熆SNCR鎶€琛�(sh霉)鎬ц兘鐨勪富瑕佸洜绱犲寘鎷細鐓欐埃绲勬垚銆佺厵姘ｉ噺銆佹皑姘懇鐖炬瘮NSR鍊�銆佸弽鎳�(y墨ng)婧害銆佽檿鐞嗗墠鐓欐埃涓璑Ox婵冨害銆佺厵姘ｆ哀閲�銆侀倓鍘熷姂鑸囩厵姘ｇ殑娣峰悎绋嬪害绛�銆傚叾涓亱(y霉n)琛岄亷(gu貌)绋嬩腑褰遍熆姘ㄨ€楅噺鍜屾皑閫冮€告渶閲嶈鐨�3鍊�(g猫)鍥犵礌鏄細鍙嶆噳(y墨ng)婧害銆侀倓鍘熷姂鑸囩厵姘ｇ殑娣峰悎绋嬪害鍜孨SR鍊�銆�

3.1鍙嶆噳(y墨ng)婧害

鍙嶆噳(y墨ng)婧害灏�(du矛)SNCR閭勫師NOx鐨勬晥鐜囪嚦闂�(gu膩n)閲嶈銆傚緸閫氬父鐨勫(sh铆)椹�(y脿n)浠ュ強宸ョ▼閬�(y霉n)杞�(zhu菐n)鐙€娉佷締(l谩i)鐪�锛屽彲浠ラ€�(j矛n)琛屾湁鏁堣劔纭濆弽鎳�(y墨ng)鐨勬渶浣虫韩搴︾獥鍙ｇ偤850-1100鈩冿紝涓€鑸儏娉佷笅姘ㄥ湪850-1050鈩冧箣闁�锛屽翱绱犲湪900-1100鈩冧箣闁�銆�

鍙嶆噳(y墨ng)婧害閬�(gu貌)浣庢垨閬�(gu貌)楂橀兘鏈�(hu矛)灏�(d菐o)鑷撮倓鍘熷姂鎼嶅け鍜岃劔纭濇晥鐜囦笅闄�銆傝嫢婧害閬�(gu貌)浣�锛屾渻(hu矛)灏�(d菐o)鑷碞H3鍙嶆噳(y墨ng)涓嶅畬鍏紝閫氬父浣庝簬800鈩冪殑鏅�(sh铆)鍊�锛屽弽鎳�(y墨ng)閫熷害娓涙參锛岃劔纭濇晥鐜囦笅闄�锛屾皑閫冮€稿鍔�;鐣�(d膩ng)婧害閬�(gu貌)楂橈紝璀婧害楂樹簬1200鈩冪殑鏅�(sh铆)鍊�锛孨H3鑸�02鐨勬哀鍖栧弽鎳�(y墨ng)鏈�(hu矛)鍔犲妵锛孨H3鏇存槗浜庤姘у寲鎴愮偤NOx锛孨Ox鎺掓斁閲忓彲鑳芥渻(hu矛)涓嶉檷鍙嶅崌銆�

鎵€浠�锛屽(sh铆)闅涢伕鎿囧櫞鍏ラ粸(di菐n)浣嶇疆鏅�(sh铆)锛屾噳(y墨ng)鐣�(d膩ng)閫氶亷(gu貌)鏁�(sh霉)瀛�(xu茅)妯″瀷瑷�(j矛)绠�(CFD)鍜岀墿鐞嗘ā鍨嬪(sh铆)椹�(y脿n)锛岀祼(ji茅)鍚堢垚绐ō(sh猫)鍌欏伐娉侊紝鍦ㄧ垚鑶涗笂閬稿彇鎭扮暥(d膩ng)?sh霉)鑶板鏈(di菐n)銆傚彟澶栵紝鐐洪仼鎳�(y墨ng)閸嬬垚璨�(f霉)鑽锋尝鍕�(d貌ng)閫犳垚鐖愯啗婧害鐨勮畩鍕�(d貌ng)锛屾噳(y墨ng)鑰冩叜鍦ㄧ垚鑶涘収(n猫i)涓嶅悓楂樺害铏曞畨瑁濆灞ゅ櫞灏勮缃垏婧害鐩�(ji膩n)鎺�锛屼互渚挎牴鎿�(j霉)瀵�(sh铆)闅涚敓鐢�(ch菐n)鎯呮硜閫�(j矛n)琛屽垏鎻涘櫞灏勭郴绲�(t菕ng)锛屼繚璀夊湪鏈€浣崇殑鍙嶆噳(y墨ng)婧害绐楀彛鍣村叆閭勫師鍔�銆傚悓鏅�(sh铆)锛屽湪姣忔牴閭勫師鍔戝垎鏀閬撲笂瑷�(sh猫)缃氨鍦版祦閲忚▓(j矛)銆佸氨鍦板鍔涜〃銆佹祦閲忚(di脿o)绡€(ji茅)闁�鍙婇浕鍕�(d貌ng)闁�锛岄€氶亷(gu貌)瑷�(j矛)閲忓垎閰嶇郴绲�(t菕ng)鏍规摎(j霉)閬�(y霉n)琛岄渶瑕侊紝灏�(du矛)涓嶅悓婧害鍗€(q奴)鍩熺殑SNCR鍣村皠瑁濈疆鍒嗗垾閫�(j矛n)琛屾祦閲忓垎閰�銆傜暥(d膩ng)鐖愯啗婧害鐧�(f膩)鐢熻純澶ц畩鍕�(d貌ng)鏅�(sh铆)锛屾噳(y墨ng)閲嶆柊閬告搰鍣村叆榛�(di菐n)銆�

3.2閭勫師鍔戣垏鐓欐埃鐨勬贩鍚堢▼搴�

鐩墠锛孲NCR鎶€琛�(sh霉)鍦ㄥ伐妤�(y猫)鎳�(y墨ng)鐢ㄩ亷(gu貌)绋嬩腑锛岄€氬父閲囩敤娑查珨闇ф淮鍣村皠鐨勫舰寮�锛屽櫞鍏ョ殑閭勫師鍔戣垏鐓欐埃鍦ㄦサ鐭檪(sh铆)闁撳収(n猫i)寰楀埌鍏呭垎娣峰悎鍚屾ǎ鏄繚璀塖NCR鎶€琛�(sh霉)閬�(d谩)鍒扮悊鎯宠劔纭濇晥鐜�銆佹笡灏戞皑閫冮€哥殑闂�(gu膩n)閸靛洜绱犱箣涓€銆�

閭勫師鍔戣垏鐓欐埃鐨勬贩鍚堜富瑕佺敱鍣村皠绯荤当(t菕ng)渚�(l谩i)瀵�(sh铆)鐝�(xi脿n)锛岄€氶亷(gu貌)瑾�(di脿o)鏁翠笉鍚屼綅缃檿鐨勯倓鍘熷姂鍣村叆閲忓強闇у寲鏁堟灉渚�(l谩i)鎻愰珮娣峰悎绋嬪害锛屽彲鐢ㄤ笅鍒楁柟娉曚締(l谩i)鏀瑰杽娣峰悎鏁堟灉锛�

閬╃暥(d膩ng)鎻愬崌闇у寲姘ｉ珨澹撳姏锛屾彁楂樺偝绲﹂倓鍘熷姂娑叉淮鐨勫嫊(d貌ng)鑳�锛屽鍔犻倓鍘熷姂绌块€忓害锛屾彁楂橀湩鍖栨晥鏋�;

澧炲姞鍣村皠鍗€(q奴)鐨勫堡鏁�(sh霉)鍜屽櫞灏勮缃殑鍊�(g猫)鏁�(sh霉);

瑾�(di脿o)绡€(ji茅)鍣村皠婧舵恫鐨勬績搴�锛屾敼璁婃恫楂旈湩婊寸殑钂哥櫦(f膩)鏅�(sh铆)闁�;

鏀归€�(j矛n)闇у寲鍣村槾鐨勮ō(sh猫)瑷�(j矛)浠ユ敼鍠勬恫婊寸殑澶у皬銆佸垎甯�銆佸櫞灏勮搴﹀拰鏂瑰悜锛屼娇娑叉淮鏇村鏄撶┛閫忕垚鑶涢€�(j矛n)鍏ョ厵姘ｆ祦銆�

3.3姘ㄦ爱鎽╃埦姣�(NSR)

姘ㄦ爱鎽╃埦姣擭SR鍗冲弽鎳�(y墨ng)涓皑鑸嘚O鐨勬懇鐖炬瘮鍊�锛屾寜鐓NCR鍙嶆噳(y墨ng)寮�锛岄倓鍘�1molNO闇€瑕�1mol姘ㄦ垨0.5mol灏跨礌銆備絾瀵�(sh铆)闅涢亱(y霉n)琛屼腑鍣村叆閭勫師鍔戠殑閲忚姣旀鍊奸珮锛屾牴鎿�(j霉)鑴瀵�(sh铆)椹�(y脿n)琛ㄦ槑锛岀暥(d膩ng)NSR灏忎簬2.0鏅�(sh铆)锛孨Ox鐨勮劔闄ゆ晥鐜囨渻(hu矛)闅ㄨ憲NSR鍊肩殑澧炲姞鑰岄’钁楀鍔�锛屽悓鏅�(sh铆)鏈夋晥婧害鍗€(q奴)鍩熻寖鍦嶆渻(hu矛)鎿�(ku貌)澶�銆備絾鏄暥(d膩ng)NSR澶т簬2.0鏅�(sh铆)锛岄毃钁桸SR鍊肩殑閫愭几鎻愬崌锛孨Ox鐨勮劔闄ゆ晥鐜囧鍔犲苟涓嶆槑椤�锛孨SR閬�(gu貌)澶у墖鏈�(hu矛)寮曡捣姘ㄩ€冮€搁噺澧炲ぇ锛屾皑鑰楅噺鍗囬珮銆�

鐐烘彁楂樿劔纭濇晥鐜�銆佹笡灏戞皑鑰楅噺鍜岄檷浣庢皑閫冮€�锛孲NCR鐨凬SR鍊间竴鑸帶鍒跺湪1.2-1.5宸﹀彸銆�

宸ョ▼鎳�(y墨ng)鐢ㄥ(sh铆)渚�

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