绺介珨姒傝堪
SCR鑴锛圫elective Catalytic Reduction锛夊嵆閬告搰鎬у偓鍖栭倓鍘熸硶鑴锛屾槸鐩墠鎳�(y墨ng)鐢ㄦ渶鐐哄唬娉涚殑鐓欐埃鑴鎶�琛�(sh霉)涔嬩竴銆傚叾鍘熺悊鏄湪鍌寲鍔戠殑浣滅敤涓�锛屽悜婧害绱�280-420鈩冪殑鐓欐埃涓櫞鍏ユ皑姘ｏ紙NH?锛夋垨灏跨礌绛夐倓鍘熷姂锛岄倓鍘熷姂鑸囩厵姘ｄ腑鐨勬爱姘у寲鐗╋紙NOx锛夌櫦(f膩)鐢熷弽鎳�(y墨ng)锛屽皣鍏堕倓鍘熺偤鐒�(w煤)瀹崇殑姘�?d煤)鐚撯垷?锛夊拰姘达紙H?O锛夛紝寰炶�屽(sh铆)鐝�(xi脿n)灏�(du矛)鐓欐埃涓爱姘у寲鐗╃殑鑴櫎锛岄仈(d谩)鍒扮挵(hu谩n)淇濇帓鏀炬(bi膩o)婧�(zh菙n)銆�
鍙嶆噳(y墨ng)鍘熺悊
4NO+4NH3+02鈫�4N2+6H2O
2NO2+4NH3+02鈫�3N2+6H2O
6NO2+8NH3鈫�7N2+12H2O
宸ヨ棟娴佺▼锛�
閭勫師鍔戝劜(ch菙)瀛樿垏渚涙噳(y墨ng)绯荤当(t菕ng)锛�鑻ラ噰鐢ㄦ恫姘ㄤ綔鐐洪倓鍘熷姂锛屾恫姘ㄧ敱妲借粖閬�(y霉n)杓歌嚦娑叉皑鍎�(ch菙)缃愬劜(ch菙)瀛�銆傛恫姘ㄩ�氶亷(gu貌)钂哥櫦(f膩)鍣ㄨ捀鐧�(f膩)鐐烘皑姘�锛屾皑姘ｇ稉(j墨ng)绶╂矕缃愮┅(w臎n)澹撳悗锛岄�氶亷(gu貌)绠￠亾杓搁�佽嚦鍙嶆噳(y墨ng)鍗�(q奴)銆�
鑻ヤ娇鐢ㄥ翱绱犱綔鐐洪倓鍘熷姂锛屽浐楂斿翱绱犻鍏堟憾瑙ｅ湪婧惰В缃愪腑锛屽埗鎴愪竴瀹氭績搴︾殑灏跨礌婧舵恫锛岄�氶亷(gu貌)娉佃几閫佽嚦灏跨礌婧舵恫鍎�(ch菙)缃�銆傜劧鍚�锛屽翱绱犳憾娑茬稉(j墨ng)閬�(gu貌)瑷�(j矛)閲忓垎閰嶈缃�锛岃几閫佸埌姘磋В鍣ㄦ垨鐔辫В鐖愪腑锛屽湪涓�瀹氭韩搴﹀拰澹撳姏姊濅欢涓嬪垎瑙ｇ敘(ch菐n)鐢熸皑姘�锛屾皑姘ｅ啀杓搁�佽嚦鍙嶆噳(y墨ng)鍗�(q奴)銆�
鐓欐埃绯荤当(t菕ng)锛�閸嬬垚鎴栧叾浠栫噧鐕掕ō(sh猫)鍌欑敘(ch菐n)鐢熺殑楂樻韩?z茅)鐓旈绱啑M(j矛n)鍏ヨ劔纭濆弽鎳�(y墨ng)鍣ㄥ墠鐨勭厵閬撱�傚湪鐓欓亾涓�锛屽畨瑁濇湁鐓欐埃娴侀噺銆佹韩搴�銆佸鍔涗互鍙婃爱姘у寲鐗╂績搴︾瓑娓�(c猫)閲�?j墨)x鍣紝鐢ㄤ簬瀵�(sh铆)鏅�(sh铆)鐩�(ji膩n)娓�(c猫)鐓欐埃鍙冩暩(sh霉)銆�鏍规摎(j霉)鐓欐埃涓爱姘у寲鐗╃殑婵冨害鍜屾祦閲�锛岄�氶亷(gu貌)鎺у埗绯荤当(t菕ng)绮剧⒑瑾�(di脿o)绡�(ji茅)閭勫師鍔戠殑鍣村叆閲�銆�
鑴鍙嶆噳(y墨ng)绯荤当(t菕ng)锛�鐓欐埃鑸囨皑姘ｅ湪娣峰悎鍣ㄤ腑鍏呭垎娣峰悎鍚�锛岄��(j矛n)鍏ヨ鏈夊偓鍖栧姂鐨勮劔纭濆弽鎳�(y墨ng)鍣ㄣ�傚湪鍌寲鍔戠殑浣滅敤涓�锛岀櫦(f膩)鐢熼伕鎿囨�у偓鍖栭倓鍘熷弽鎳�(y墨ng)銆傚弽鎳�(y墨ng)鍚庣殑鐓欐埃绻肩簩(x霉)閫�(j矛n)鍏ュ悗绾�(x霉)鐨勮劔纭�銆侀櫎濉电瓑鐠�(hu谩n)淇濊ō(sh猫)鏂斤紝鏈�鍚庣稉(j墨ng)鐓欏洩鎺掓斁鍒板ぇ姘ｄ腑銆�
鎶�琛�(sh霉)鍎�(y艒u)鍕�(sh矛)锛�
u 鑴鏁堢巼楂橈細鍦ㄥ悎閬╃殑宸ユ硜姊濅欢涓�锛�SCR 娉曡劔纭濇晥鐜囧彲楂橀仈(d谩)90%浠ヤ笂锛岃兘澶犳湁鏁堥檷浣庣厵姘ｄ腑姘哀鍖栫墿鐨勬帓鏀炬績搴�锛屾豢瓒虫棩鐩婂毚(y谩n)鏍肩殑鐠�(hu谩n)淇濊姹�銆�
u 閬告搰鎬уソ锛�瑭叉柟娉曞叿鏈夎純楂樼殑閬告搰鎬�锛岄倓鍘熷姂涓昏鑸囨爱姘у寲鐗╃櫦(f膩)鐢熷弽鎳�(y墨ng)锛岃�屽緢灏戣垏鐓欐埃涓殑鍏朵粬鎴愬垎锛堝姘ф埃绛夛級鐧�(f膩)鐢熷壇鍙嶆噳(y墨ng)锛屽緸鑰屼繚璀変簡鍙嶆噳(y墨ng)鐨勯珮鏁堟�у拰缍�(j墨ng)婵�(j矛)鎬�銆�
u 閬�(y霉n)琛岀┅(w臎n)瀹氬彲闈狅細SCR 绯荤当(t菕ng)鐨勮ō(sh猫)鍌欏拰宸ヨ棟缍�(j墨ng)閬�(gu貌)澶氬勾鐨勭櫦(f膩)灞曞拰瀹屽杽锛屽叿鏈夎純楂樼殑绌�(w臎n)瀹氭�у拰鍙潬鎬�銆傚偓鍖栧姂鐨勪娇鐢ㄥ＝鍛戒竴鑸彲閬�(d谩)3-5骞�锛岀敋鑷虫洿闀�(zh菐ng)锛屾笡灏戜簡瑷�(sh猫)鍌欑殑缍(h霉)鍜屾洿鎻涢牷鐜�銆�
u 閬╂噳(y墨ng)鑼冨湇寤ｏ細鍙仼鐢ㄤ簬涓嶅悓椤炲瀷鐨勭噧鐓ゃ�佺噧娌�銆佺噧?x矛)蹇哗t浠ュ強宸ユキ(y猫)绐垚绛�锛岀劇(w煤)璜栨槸鏂板缓闋�(xi脿ng)鐩倓鏄従(xi脿n)鏈夐爡(xi脿ng)鐩殑鏀归�狅紝閮藉叿鏈夎壇濂界殑閬╃敤鎬�銆�
鎳�(y墨ng)鐢ㄩ牁(l菒ng)鍩�
闆诲姏琛屾キ(y猫)锛�鐕冪叅鐧�(f膩)闆绘槸鎴戝湅(gu贸)涓昏鐨勭櫦(f膩)闆绘柟寮忎箣涓�锛屼篃鏄爱姘у寲鐗╂帓鏀剧殑澶ф埗銆�SCR娉曡劔纭濇妧琛�(sh霉)鍦ㄧ伀鍔涚櫦(f膩)闆诲粻寰楀埌浜嗗唬娉涙噳(y墨ng)鐢�锛岃兘澶犳湁鏁堥檷浣庨浕寤犵厵姘ｄ腑姘哀鍖栫墿鐨勬帓鏀�锛屾笡灏戝皪(du矛)澶ф埃鐠�(hu谩n)澧冪殑姹℃煋銆�
閶奸惖琛屾キ(y猫)锛�鍦ㄩ嫾閻电敓鐢�(ch菐n)閬�(gu貌)绋嬩腑锛屽鐕掔祼(ji茅)銆佺厜閻�銆佺厜閶肩瓑鐠�(hu谩n)绡�(ji茅)閮芥渻(hu矛)鐢�(ch菐n)鐢熷惈鏈夋爱姘у寲鐗╃殑寤㈡埃銆�SCR娉曡劔纭濆彲鐢ㄤ簬閶奸惖浼佹キ(y猫)鐨勫虎姘ｈ檿鐞�锛屽公鍔╀紒妤�(y猫)瀵�(sh铆)鐝�(xi脿n)绡�(ji茅)鑳芥笡鎺掔洰妯�(bi膩o)锛屾豢瓒崇挵(hu谩n)淇濇硶瑕�(gu墨)瑕佹眰銆�
姘存偿琛屾キ(y猫)锛�姘存偿绐垚鍦ㄧ厖鐕掓按娉ョ啛鏂欓亷(gu貌)绋嬩腑鏈�(hu矛)鎺掓斁澶ч噺鐨勬爱姘у寲鐗�銆�SCR娉曡劔纭濇妧琛�(sh霉)鑳藉?q奴)位顔涘枖G鐖愬虎姘ｉ��(j矛n)琛屾湁鏁堣檿鐞嗭紝闄嶄綆姘哀鍖栫墿鎺掓斁锛屽姪鍔涙按娉ヨ妤�(y猫)鐨勭稜鑹茬櫦(f膩)灞曘��
鐜荤拑琛屾キ(y猫)锛�鐜荤拑鐢熺敘(ch菐n)閬�(gu貌)绋嬩腑浣跨敤鐨勭噧鏂欑噧鐕掓渻(hu矛)鐢�(ch菐n)鐢熸爱姘у寲鐗�銆�SCR 娉曡劔纭濆彲鎳�(y墨ng)鐢ㄤ簬鐜荤拑绐垚鐨勫虎姘ｆ不鐞�锛屾笡灏戠幓鐠冭妤�(y猫)灏�(du矛)鐠�(hu谩n)澧冪殑姹℃煋锛屾帹鍕�(d貌ng)琛屾キ(y猫)鐨勫彲鎸佺簩(x霉)鐧�(f膩)灞曘��
鍏朵粬宸ユキ(y猫)闋�(l菒ng)鍩燂細濡傚寲宸�銆侀櫠鐡枫�佹湁鑹查噾灞喍鐓夌瓑琛屾キ(y猫)锛屽彧瑕佸瓨鍦ㄦ爱姘у寲鐗╂帓鏀剧殑鐠�(hu谩n)绡�(ji茅)锛岄兘鍙互鑰冩叜閲囩敤SCR娉曡劔纭濇妧琛�(sh霉)渚�(l谩i)瀵�(sh铆)鐝�(xi脿n)姘哀鍖栫墿鐨勬笡鎺�銆�