鎽樿锛氭枃绔犱富瑕佷粙绱逛簡寤ｆ澅缇呭畾闆诲粻SNCR+SCR鑴鎶€琛�(sh霉)鐨勫熀鏈師鐞�锛屽伐绋嬬啊浠嬶紝鍚屾檪灏嶉亱(y霉n)琛屼腑瀛樺湪鐨勬爱姘у寲鐗╂績搴﹀亸楂�銆佸弽鎳�(y墨ng)鍣ㄥ叆鍙ｇ厵婧亸楂�銆佸櫞妲嶅牭濉�銆佸翱绱犵珯绋€閲嬫按娉�鍒囨彌鏅傛墦涓嶈捣澹撶瓑鍟忛閫�(j矛n)琛屽垎鏋愬苟閲囧彇鎺柦浜堜互瑙ｆ焙銆�

1 閸嬬垚姒傛硜

寤ｆ澅缇呭畾闆诲粻閸嬬垚鐐篋G420/13.7-鈪�2锛屾槸鑸�135MW姹借吉鐧�(f膩)闆绘(j墨)绲勯厤濂楃殑瓒呴珮澹�銆佷竴娆′腑闁撳啀鐔蔽犲瀷甯冪疆銆佽嚜鐒跺惊鐠�(hu谩n)姹藉寘鐖愶紝鍠垚鑶�銆佺噧鐕掑櫒鍥涜甯冪疆銆佸垏鍦撶噧鐕掋€佸钩琛￠€氶ⅷ(f膿ng)銆佸浐鎱�(t脿i)鎺掓福銆侀噰鐢ㄧ寮忕┖姘ｉ爯(y霉)鐔卞櫒銆侀嫾绛嬫贩鍑濆湡妲�(g貌u)鏋�(鍠帓鏌�)锛屾槸鐢辨澅鏂归崑鐖愬粻鐐虹噧鐢ㄧ劇鐓欑叅鑰岃ō(sh猫)瑷堢敓鐢�(ch菐n)鐨�锛岃ō(sh猫)瑷堢叅绋北瑗挎檳鏉卞崡鐒＄厵鐓�銆傚洜鐒＄厵鐓ゅ競鍫翠笂閲囪臣鍥伴洠锛岃€屼笖鐕冪敤鐒＄厵鐓ょ叅鑰楃浉灏嶈純楂橈紝鐐洪檷浣庨浕寤犳垚鏈拰鐓よ€�銆�2012骞村叕鍙稿埄鐢ˋ绱氭淇殑姗�(j墨)鏈冿紝灏囧叐鑷洪崑鐖愯ō(sh猫)瑷堢叅绋敼鐐篤daf=40.66%鐨勫北瑗跨厵鐓�銆�

2 SNCR+SCR鑴鎶€琛�(sh霉)鍘熺悊

2.1 SNCR鍘熺悊

SNCR鐨勫熀鏈師鐞嗘槸鍦ㄦ矑鏈夊偓鍖栧姂鐨勬儏娉佷笅锛屽悜800鈩冿綖1150鈩冪垚鑶涗腑鍣村叆閭勫師鍔戞皑鎴栧翱绱�锛岄倓鍘熷姂鈥滄湁閬告搰鎬р€濆湴鑸囩厵姘ｄ腑鐨凬Ox鍙嶆噳(y墨ng)骞剁敓鎴愮劇姣掋€佺劇姹℃煋鐨凬2鍜孒2O銆係NCR鐨凬Ox鑴櫎鏁堢巼涓昏鍙栨焙浜庡弽鎳�(y墨ng)婧害銆丯H3鑸嘚Ox鐨勫寲瀛�(xu茅)瑷堥噺姣�銆佹贩鍚堢▼搴�銆佸弽鎳�(y墨ng)鏅傞枔绛�銆係NCR鐨勫弽鎳�(y墨ng)婧害鎺у埗鑷抽棞(gu膩n)閲嶈锛岃嫢婧害閬庝綆锛孨H3鐨勫弽鎳�(y墨ng)涓嶅畬鍏�锛屽鏄撻€犳垚NH3閫冮€镐笂鍗�;鑰屾韩搴﹂亷楂�锛孨H3鍓囧鏄撹姘у寲鐐篘O锛屾姷娑堜簡NH3鐨勮劔纭濇晥鏋�銆傛韩搴﹂亷楂樻垨閬庝綆閮芥渻灏�(d菐o)鑷撮倓鍘熷姂鎼嶅け鍜孨Ox鑴櫎鐜囦笅闄�銆�

鐣�(d膩ng)鐢ㄥ翱绱犱綔閭勫師鍔戞檪鍏跺弽鎳�(y墨ng)鍙〃绀虹偤锛�

NH2CONH2+H2O鈫�2NH3+CO2

2NO+4NH3+2O2鈫�3N2+6H2O

6NO2+8NH2鈫�7N2+12H2O

鍦ㄥ翱绱犻倓鍘烴Ox鐨勫悓鏅備篃鏈冩湁寰炲翱绱犳憾娑蹭腑鎻櫦(f膩)鍑轰締鐨凬H3鍒嗗瓙鑸嘜2鐧�(f膩)鐢熺殑鍙嶆噳(y墨ng)锛�

4NH3+5O2鈫�4NO+6H2O

4NH3+3O2鈫�2N2+6H2O

2.2 SCR鍘熺悊

缇呭畾闆诲粻SCR鑴宸ヨ棟閲囩敤閬告搰鎬у偓鍖栭倓鍘熸柟娉曪紝鍗冲湪瑁濇湁鍌寲鍔戠殑鍙嶆噳(y墨ng)鍣ㄩ噷锛岀厵姘ｈ垏SNCR绯荤当(t菕ng)閫冮€哥殑姘ㄥ湪鍌寲鍔戠殑浣滅敤涓嬬櫦(f膩)鐢熼倓鍘熷弽鎳�(y墨ng)锛岀敓鎴愮劇瀹崇殑N2鍜孒2O锛屽(sh铆)鐝�(xi脿n)鑴櫎姘哀鍖栧悎鐗╃殑鐩殑銆傚叾涓昏鍖栧(xu茅)閭勫師鍙嶆噳(y墨ng)濡備笅锛�

4NH3+4NO+O2鈫�4N2+6H2O

4NH3+2NO2+O2鈫�3N2+6H2O

SCR(鑴绯荤当(t菕ng))鍌寲鍔戠殑宸ヤ綔婧害鏄湁涓€瀹氳寖鍦嶇殑锛屾韩搴﹂亷楂�(>450鈩�)鏅傚偓鍖栧姂鏈冨姞閫熻€佸寲;鐣�(d膩ng)婧害鍦ㄤ綆浜�290鈩冧互涓嬫檪锛屽湪鍚屼竴鍌寲鍔戠殑浣滅敤涓�锛屽彟涓€鍓弽鎳�(y墨ng)涔熸渻鐧�(f膩)鐢燂細

2SO2+O2鈫�2SO3

NH3+H2O+SO3鈫扤H4HSO4

鍗崇敓鎴愭皑楣�锛岃┎鐗╄唱(zh矛)绮樻€уぇ锛屾槗绮樼祼(ji茅)鍦ㄥ偓鍖栧姂鍜岄崑鐖愬熬閮ㄧ殑鍙楃啽闈笂锛屽奖闊块崑鐖愮郴绲�(t菕ng)鐨勬甯搁亱(y霉n)琛�銆傚洜姝わ紝鍙湁鍦ㄥ偓鍖栧姂鐠�(hu谩n)澧冪殑鐓欐埃婧害鍦�290鈩�-430鈩冧箣闁撴檪鏂瑰厑瑷卞暉鍕曡劔纭�銆�

3 鑴宸ョ▼绨′粙

缇呭畾闆诲粻鑴宸ヨ棟涓昏鍒嗙偤鍏╁ぇ閮ㄥ垎銆傜涓€閮ㄥ垎鐐篠NCR绯荤当(t菕ng)锛岀浜岄儴鍒嗙偤SCR绯荤当(t菕ng)銆傚湪鍚堥仼婧害鍗€(q奴)闁撶殑鐖愯啗涓櫞鍏ラ倓鍘熷姂灏跨礌锛屽翱绱犲湪鐖愯啗涓垎瑙ｇ偤姘ㄥ拰鐣版鞍閰�锛屽苟鑸囩厵姘ｄ腑鐨凬Ox鍙嶆噳(y墨ng)銆傛湭鍙冨姞鍙嶆噳(y墨ng)鐨勬皑姘ｉ€冮€歌嚦SCR鍙嶆噳(y墨ng)鍣ㄣ€傚湪鍙嶆噳(y墨ng)鍣ㄥ収(n猫i)鐨勫偓鍖栧姂鍌寲涓嬮€�(j矛n)涓€姝ヨ垏鐓欐埃涓殑NOx鍙嶆噳(y墨ng)锛屽緸鑰屽(sh铆)鐝�(xi脿n)SNCR+SCR娣峰悎鑴銆傚伐钘濇祦绋嬪鍦�1鎵€绀�銆�

4 瀛樺湪鐨勫晱椤屽強鍏惰檿鐞�

4.1 姘哀鍖栫墿鎺掓斁婵冨害鍋忛珮

鎴戝粻鑴绯荤当(t菕ng)鎶曢亱(y霉n)浠ヤ締锛� NOx婵冨害闀锋湡鍋忛珮锛岄洠浠ラ仈(d谩)鍒拌ō(sh猫)瑷堝€�(瑷�(sh猫)瑷堝€肩偤<100mg/Nm3)锛屼笖闅ㄥ伐娉佽畩鍖栨尝鍕曡純澶э紝濡傛灉瑾�(di脿o)鏁翠笉鍙婃檪鏄撳嚭鐝�(xi脿n)瓒呮(bi膩o)鐝�(xi脿n)璞�銆傜偤浜嗘彁楂樿劔纭濇晥鐜�锛屼娇NOx鎺掓斁閬�(d谩)鍒板湅瀹惰姹�(<200mg/Nm3)锛屾垜鍊戝湪閬�(y霉n)琛屾柟寮忎笂閲囧彇浜嗗涓嬫帾鏂斤細

(1)鍦ㄩ€�(j矛n)琛屽姞娓涜矤(f霉)鑽�銆佸暉鍋滃埗绮夌瓑鎿嶄綔鏅�锛岀敱浜庣垚鑶涙哀閲�銆佸嚭鍙ｇ厵婧瓑鍙冩暩(sh霉)鍧囨渻鐧�(f膩)鐢熷緢澶ц畩鍖栵紝寰炶€屽奖闊胯劔纭濇晥鐜囧強NOx鎺掓斁銆傚洜姝�锛屽湪閫�(j矛n)琛屾搷浣滄檪锛岀洠(ji膩n)鐩や汉鍝℃噳(y墨ng)鎻愬墠鍋氬嚭瑾�(di脿o)鏁�锛屼互闃睳Ox婵冨害瓒呮(bi膩o)銆�

(2)灞忛亷鍚庢韩搴﹀叐鍋�(c猫)骞冲潎澶т簬700鈩�(A銆丅鍏╁伌(c猫)婧樊鐩￠噺鎺у埗鍦�50鈩冧互鍏�(n猫i)锛岃秴鍑烘噳(y墨ng)閫�(j矛n)琛岄亱(y霉n)琛岃(di脿o)鏁�)SCR閫�(j矛n)鍙ｇ厵婧换涓€娓粸(di菐n)婧害澶т簬320鈩�锛岄噰鐢ㄤ笂灞�8鏀櫞妲嶈垏瑁�(b菙)姘ㄥ堡鍣存绲勫悎閬�(y霉n)琛�锛屾豢瓒虫帓鏀捐姹傚拰姘ㄩ€冮€镐笉瓒呭嵆鍙€�

(3)灞忛亷鍚庢韩搴﹀叐鍋�(c猫)骞冲潎鍦�600锝�700鈩冧箣闁�(A銆丅鍏╁伌(c猫)婧樊鐩￠噺鎺у埗鍦�50鈩冧互鍏�(n猫i)锛岃秴鍑烘噳(y墨ng)閫�(j矛n)琛岄亱(y霉n)琛岃(di脿o)鏁�)锛岄噰鐢ㄤ笂灞ゅ櫞妲�1锝�5铏熷櫞妲嶉亱(y霉n)琛屽拰鍓嶅⒒涓嬪堡1锝�4鏀腑鐨勫叐鏀亱(y霉n)琛�锛屽鏈兘婊胯冻鎺掓斁瑕佹眰锛屽彲澧炴姇鍓嶅⒒涓嬪堡1锝�4涓殑鍙﹀鍏╂敮閬�(y霉n)琛�銆�

(4)鐣�(d膩ng)灞忛亷鍚庡钩鍧囨韩搴﹀皬浜�600鈩冨劒(y艒u)鍏堥伕鐢ㄤ笅灞�1锝�4鍣存锛屾帓鏀句笉鑳芥豢瓒宠姹�锛屽彲澧炴姇涓婂堡1-5铏熷櫞妲嶉亱(y霉n)琛屻€�

(5)SCR閫�(j矛n)鍙ｇ厵婧换涓€娓粸(di菐n)婧害閮藉ぇ浜�320鈩�锛岃(b菙)姘ㄥ堡鍣存涓嶅彈闄愬埗锛屾暩(sh霉)閲忚鎺掓斁閲忓拰姘ㄩ€冮€哥⒑瀹�銆傜暥(d膩ng)SCR閫�(j矛n)鍙ｇ厵婧钩鍧囧皬浜�315鈩冿紝绂佹鎶曢亱(y霉n)瑁�(b菙)姘ㄥ堡鍣存;鐣�(d膩ng)SCR閫�(j矛n)鍙ｇ厵婧换涓€娓粸(di菐n)灏忎簬305鈩冩檪锛岀姝㈡姇閬�(y霉n)娓粸(di菐n)灏嶆噳(y墨ng)涓婃柟鐨勮(b菙)姘ㄥ堡鍣存銆�

(6)鐣�(d膩ng)鍗囩垚鏅傛(j墨)绲勫湪65MW鍓�锛屾噳(y墨ng)鎶曞叆SNCR鍣存閬�(y霉n)琛�锛屼繚璀塏Ox鎺掓斁<200mg/m3锛岃嫢鎺掓斁瓒呮(bi膩o)涓擲CR鍏ュ彛鐓欐韩鏈仈(d谩)鍒版姇閬�(y霉n)姊濅欢鏅傦紝鎳�(y墨ng)绌�(w臎n)瀹氳矤(f霉)鑽蜂笉瓒�65MW锛岄€氶亷鐕冪噿瑾�(di脿o)鏁�锛屾彁楂樼垚婧�锛岀洝蹇仈(d谩)鍒版姇鍏ヨ(b菙)姘ㄥ堡鍣存鐨勬浠�銆�

閲囧彇浠ヤ笂鎺柦鍚庯紝鎴戝€戝緢濂界殑灏嘚Ox婵冨害鎺у埗鍦ㄥ湅瀹惰(gu墨)瀹氳寖鍦嶅収(n猫i)銆�

4.2 鍙嶆噳(y墨ng)鍣ㄥ叆鍙ｇ厵婧亸楂�

鎴戝粻SCR鎶曢亱(y霉n)浠ヤ締锛屽弽鎳�(y墨ng)鍣ㄥ叆鍙ｆ韩搴﹂暦鏈熷亸楂�锛屼笖鏅傚父瓒呴亷瑕�(gu墨)瀹氫笂闄愭韩搴﹀€�430鈩�锛屽毚(y谩n)閲嶅▉鑴呭偓鍖栧姂浣跨敤澹藉懡銆傜偤姝�锛屾垜鍊戦噰鍙栧涓嬫帾鏂斤細

(1)闄愯矤(f霉)鑽烽亱(y霉n)琛�銆傝矤(f霉)鑽疯秺楂�锛岀厵婧秺楂�锛屽弽鎳�(y墨ng)鍣ㄥ叆鍙ｆ韩搴︿篃鐩告噳(y墨ng)澧炲姞銆傚洜姝ゅ悎鐞嗗垎閰嶅叐鑷烘(j墨)绲勮矤(f霉)鑽�锛屽皣鍙嶆噳(y墨ng)鍣ㄥ叆鍙ｆ韩搴﹀亸楂樼殑閭ｈ嚭姗�(j墨)绲勯仼鐣�(d膩ng)闄嶄綆璨�(f霉)鑽烽亱(y霉n)琛岋紝浠ヤ繚璀夊弽鎳�(y墨ng)鍣ㄥ叆鍙ｆ韩搴︿笉瓒呰(gu墨)瀹氬€�銆�

(2)淇濊瓑閸嬬垚瀹夊叏鍓嶆彁涓嬶紝閬╃暥(d膩ng)闄嶄綆鐖愯啗棰�(f膿ng)閲�锛屼篃鑳借捣鍒伴檷浣庣厵婧殑浣滅敤銆�

(3)淇濇寔楂樼矇浣嶄氦鐝�銆傚弽鎳�(y墨ng)鍣ㄥ叆鍙ｆ韩搴﹂珮鏅傦紝鍋滈亱(y霉n)涓€鍋�(c猫)鍒剁矇锛屼互闄嶄綆鐖愯啗鍑哄彛婧害銆�

(4)閬╃暥(d膩ng)瑾�(di脿o)鏁寸厵姘ｆ搵鏉块枊搴�锛屾韩搴﹂珮鏅�锛岄仼鐣�(d膩ng)闂�(gu膩n)灏忓皪鎳�(y墨ng)涓婃柟鐓欐埃鎿嬫澘锛屾笡灏戠厵姘ｆ祦閲忥紝浠ラ仈(d谩)鍒伴檷浣庣厵婧殑鐩殑銆�

(5)鍒╃敤姗�(j墨)绲勫ぇ淇湡闁�锛屽皪閸嬬垚閫�(j矛n)琛屾敼閫�锛屽鍔犲熬閮ㄧ厵閬撳彈鐔遍潰锛屽竟搴曡В姹鸿┎鍟忛銆�

4.3 鍣存鍫靛

鍣存鍦ㄤ娇鐢ㄩ亷绋嬩腑鍑虹従(xi脿n)鍫靛鏄純甯歌鐨勬晠闅�銆傚皪姝�锛屾垜鍊戜富瑕侀噰鍙栦互涓嬫帾鏂斤細

(1)瀹氭湡妾㈡煡鍣存娴侀噺鏄惁姝ｅ父锛屽嚭鐝�(xi脿n)娴侀噺浣庢檪锛屽強鏅傞€€鍑洪亱(y霉n)琛�锛屽苟閫氱煡缍慨铏曠悊銆�

(2)鍦ㄦ姇閬�(y霉n)鍣存鍓嶆噳(y墨ng)灏嶅叾瑭︽按锛屾鏌ュ叾闇у寲鏁堟灉鑹ソ鍚�锛屾柟鍙姇鍏ラ亱(y霉n)琛�銆�

(3)閫€鍑哄櫞妲嶉亱(y霉n)琛屽墠锛屾噳(y墨ng)灏嶅叾鐢ㄧ█閲嬫按閫�(j矛n)琛屾矕娲�10鍒嗛悩锛岄槻姝㈠翱绱犵祼(ji茅)鏅讹紝寮曡捣鍣存鍫靛銆�

(4)灏嶆湭鎶曢亱(y霉n)鐨勫櫞妲�锛屼繚鎸佸绺┖姘ｅ父闁嬶紝鍚屾檪閭勮瀹氭湡瑭︽按锛屼互淇濊瓑鍏剁閬撻€氭殺锛岄湩鍖栬壇濂斤紝闅ㄦ檪鍙姇鍏ラ亱(y霉n)琛�銆�

4.4 灏跨礌绔欑█閲嬫按娉靛垏鎻涙檪鎵撲笉璧峰

灏跨礌绔欐姇閬�(y霉n)浠ヤ締锛屽叐鑷虹█閲嬫按娉靛畾鏈熷垏鎻涙檪锛屽倷鐢ㄦ车缍�(j墨ng)甯稿嚭鐝�(xi脿n)鎵撲笉鍑烘按鐝�(xi脿n)璞°€傛垜鍊戝垎鏋愪富瑕佺敱浜庡倷鐢ㄦ车鍏�(n猫i)绌嶇┖姘ｅ紩璧�锛屽洜姝わ紝鎴戝€戝皪绯荤当(t菕ng)閫�(j矛n)琛屼簡浠ヤ笅鏀归€狅細

(1)灏囧叐鑷虹█閲嬫按娉靛叆鍙ｇ鍒嗛枊銆傚師瑷�(sh猫)瑷堝叐鑷烘车鍏ュ彛鍏辩敤涓€鏍规瘝绠�锛岄€欐ǎ閫犳垚鍏ュ彛绋€閲嬫按鍏ㄩ儴鍚戦亱(y霉n)琛屾车娴佽蛋锛屽倷鐢ㄦ车鍏ュ彛绠￠亾涓嶈兘鍏呮豢姘�锛岀┖姘ｉ€�(j矛n)鍏ョ閬撳収(n猫i)锛屽紩璧峰倷鐢ㄦ车鍟熷嫊鏅傛墦涓嶅嚭姘�?锛孎(xi脿n)灏囧叐鑷虹█閲嬫按娉靛叆鍙ｇ鍒嗛枊锛屽垎鍒ユ帴鍏ユ按绠卞収(n猫i)锛屼娇寰楀倷鐢ㄦ车鍏ュ彛绠￠亾鍙婃车楂斿绲傚厖婊挎按锛岀劇绌烘埃婕忓叆锛屽緢濂界殑瑙ｆ焙浜嗗倷鐢ㄦ车鎵撲笉璧峰鐨勫晱椤屻€�

(2)鍦ㄦ车鐨勫叆鍙ｅ鍔犱簡鎺掔┖姘ｉ杸銆傚師瑷�(sh猫)瑷堝叆鍙ｇ閬撶劇鎺掔┖姘ｉ杸锛屼竴鏃︽湁绌烘埃锛屽皣鐒℃硶鎺掑嚭銆傚鍔犵┖姘ｉ杸鍚庯紝鍟熸车鏅傚彲闁嬪暉鎺掔┖姘ｉ杸锛屽緟鏈夋按鍑哄悗鍐嶉棞(gu膩n)闁�銆�

(3)灏囩█閲嬫按绠辨按浣嶆渶浣庡€艰ō(sh猫)楂�銆傚師瑷�(sh猫)瑷堢█閲嬫按绠辨按浣嶄綆浜�0.5绫�锛岄枊鍟熻(b菙)姘撮杸瑁�(b菙)姘�銆傛按浣嶄綆锛屾槗寮曡捣娉靛叆鍙ｆ柗姘达紝婕忕┖姘�锛屽奖闊挎车鐨勬甯搁亱(y霉n)琛�?锛孎(xi脿n)鏀圭偤浣庝簬0.9绫抽枊鍟熻(b菙)姘撮杸锛屼互鎻愰珮娉靛叆鍙ｅ鍔�锛屼繚璀夋车鐨勫畨鍏ㄧ┅(w臎n)瀹氶亱(y霉n)琛�銆�

5 绲�(ji茅)鏉熻獮

缇呭畾闆诲粻鑴绯荤当(t菕ng)鎶曢亱(y霉n)浠ヤ締锛屽熀鏈兘婊胯冻鍦嬪鏀跨瓥瑕�(gu墨)瀹氱殑鎺掓斁瑕佹眰200mg/Nm3浠ュ収(n猫i)銆傜洝绠″湪閬�(y霉n)琛屼腑閬囧埌寰堝鍟忛锛屼絾缍�(j墨ng)閬庨浕寤犳柟闈㈠垎鏋�锛屽苟閲囧彇鏈夋晥鎺柦锛屽熀鏈兘宸插緱鍒拌В姹猴紝鑴绯荤当(t菕ng)鏁撮珨閬�(y霉n)琛屽畨鍏�锛岀┅(w臎n)瀹�銆�