某電廠125MW锟紺锟組锟絰锟斤拷锟皆非催伙拷還原脫锟斤拷
摘要: 某電廠使锟矫诧拷同锟絴(zh锟斤拷)锟斤拷锟斤拷?j锟斤拷n)?sh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷脫锟斤拷锟斤拷, 锟組锟斤拷锟絰锟斤拷锟皆非催伙拷還原(selective non2catalytic reduction ,SNCR) 脫锟斤拷試锟,锟斤拷锟斤拷B锟斤拷SNCR 脫锟斤拷锟絙锟矫碉拷锟斤拷要锟組锟缴诧拷锟街硷拷試驗方锟斤拷, 锟斤拷锟斤拷試锟結(ji锟斤拷)锟斤拷锟組锟叫岋拷锟饺凤拷锟斤拷, 锟絁(r锟斤拷n)锟斤拷锟节憋拷锟紺脫锟斤拷锟绞碉拷同锟絩, 锟斤拷(y锟斤拷ng)锟組锟斤拷锟絧小锟斤拷锟斤拷锟斤拷锟斤拷, 锟皆滿锟斤拷h(hu锟斤拷n)锟斤拷要锟斤拷
锟絇(gu锟斤拷n)锟絀锟絶: 锟斤拷锟斤拷锟斤拷锟斤拷, 锟斤拷锟狡硷拷锟絞(sh锟斤拷), 锟絰锟斤拷锟皆非催伙拷還原脫锟斤拷, 燃煤電廠
1 锟斤拷 锟絙锟矫猴拷锟斤拷
SNCR 脫锟斤拷锟斤拷锟絞(sh锟斤拷)锟斤拷一锟絅锟絕锟斤拷锟斤拷锟斤拷锟教業(y锟斤拷)锟斤拷 NOx锟斤拷锟斤拷處锟斤拷锟斤拷锟絞(sh锟斤拷),锟斤拷SNCR 脫锟斤拷锟斤拷锟斤拷锟斤拷要锟角岋拷锟斤拷锟斤拷锟斤拷藥锟斤拷锟斤拷870锟斤拷1 200 锟斤拷 锟截度區(q锟斤拷)锟斤拷锟诫含 NO 锟斤拷燃锟斤拷锟絘(ch锟斤拷n)锟斤拷锟斤拷, 锟絣(f锟斤拷)锟斤拷還原锟斤拷锟斤拷(y锟斤拷ng), 脫锟斤拷 NO , 锟斤拷锟缴碉拷锟斤拷锟剿,锟斤拷SNCR 脫锟斤拷锟节岋拷锟斤拷锟皆囷拷锟叫匡拷锟絖锟斤拷 90 %锟斤拷锟较碉拷 NO脫锟斤拷锟绞★拷锟节达拷锟斤拷鍋爐锟斤拷(y锟斤拷ng)锟斤拷锟斤拷, 锟斤拷锟斤拷示锟斤拷锟斤拷锟絞锟斤拷锟絖锟斤拷75 %锟斤拷脫锟斤拷效锟斤拷, 锟斤拷锟酵碉拷锟絃锟节現(xi锟斤拷n)锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷锟絖锟斤拷30 %锟斤拷50 %锟斤拷 NO x 脫锟斤拷锟斤拷,锟斤拷NCR 脫锟斤拷锟斤拷锟絞(sh锟斤拷)锟斤拷 20锟斤拷锟給(j锟斤拷) 70 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷毡锟斤拷锟揭恍┤硷拷锟,锟斤拷燃锟斤拷電廠锟絖始锟斤拷(y锟斤拷ng)锟矫碉拷, 80 锟斤拷锟侥╋拷W锟剿囷拷锟斤拷一些燃煤電廠也锟絖始锟斤拷SNCR 脫锟斤拷锟斤拷锟絞(sh锟斤拷)锟侥癸拷锟絀(y锟斤拷)锟斤拷(y锟斤拷ng)锟斤拷, 锟斤拷锟斤拷 90 锟斤拷锟斤拷锟斤拷_始锟斤拷(y锟斤拷ng)锟斤拷 SNCR 脫锟斤拷锟斤拷锟絞(sh锟斤拷), 目前锟斤拷锟斤拷锟斤拷燃煤電廠SNCR 脫锟斤拷锟斤拷藝锟侥匡拷锟絙锟紺锟斤拷锟斤拷锟斤拷 2 GW 锟斤拷锟较★拷
锟斤拷锟斤拷锟斤拷SNCR 脫锟斤拷系锟統(t锟斤拷ng)锟絰锟矫碉拷脫锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷,锟斤拷锟斤拷锟絯锟斤拷锟截斤拷(j锟斤拷ng)锟斤拷水锟杰斤拷锟斤拷锟斤拷锟斤拷锟揭, 锟斤拷锟斤拷輸锟酵憋拷锟斤拷锟斤拷锟絫前锟斤拷锟斤拷,锟斤拷
1.1 锟斤拷 锟斤拷锟斤拷锟斤拷液輸锟斤拷系锟統(t锟斤拷ng)
锟斤拷锟斤拷锟斤拷液锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭猴拷晒锟揭猴拷锟捷旓拷锟, 锟斤拷液锟矫筹拷锟斤拷處锟絆(sh锟斤拷)锟斤拷稀锟剿, 锟斤拷锟斤拷(j锟斤拷)锟絓锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷液稀锟, 稀釋猴拷锟斤拷锟斤拷锟斤拷锟揭猴拷俳锟(j锟斤拷ng)锟斤拷锟絇鋼帮拷锟斤拷锟斤拷锟斤拷锟絫前锟斤拷锟斤拷锟斤拷(锟斤拷锟铰猴拷锟絈锟斤拷锟斤拷) , 通锟絕锟斤拷锟絇锟杰涳拷锟斤拷c锟斤拷锟斤拷锟紹锟接★拷
1.2 锟斤拷 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
鍋爐锟斤拷锟斤拷锟斤拷 42 只锟斤拷锟斤拷, 锟斤拷 3 锟接诧拷锟斤拷锟节爐锟斤拷燃锟斤拷锟絕(q锟斤拷)锟斤拷锟较诧拷锟酵爐锟脚筹拷锟斤拷處,锟斤拷前锟斤拷锟酵傦拷(c锟斤拷)锟斤拷锟斤拷锟斤拷锟街別锟斤拷锟斤拷锟斤拷 28.5 m,锟斤拷26 m锟斤拷23.5 m 锟斤拷(bi锟斤拷o)锟斤拷處, 锟襟墻囷拷锟斤拷锟斤拷锟斤拷锟斤拷 27.3 m,锟斤拷25.4 m 锟斤拷 23.5 m 锟斤拷(bi锟斤拷o)锟斤拷處,锟斤拷鍋爐锟斤拷負锟斤拷锟絓锟叫時, 投锟絓锟较兩層囷拷锟斤拷, 锟斤拷負锟斤拷锟絓锟叫時, 投锟絓锟铰兩層囷拷锟斤拷锟斤拷锟斤拷 SNCR 脫锟斤拷系锟統(t锟斤拷ng)投锟絓锟絩, 一锟斤拷投锟絓一锟接伙拷蓪訃锟斤拷锟斤拷锟斤拷锟, 锟斤拷锟斤拷停锟絓锟斤拷锟斤拷锟缴匡拷锟斤拷系锟統(t锟斤拷ng)锟斤拷锟斤拷锟剿筹拷锟絫锟斤拷, 锟皆憋拷锟解噴锟斤拷锟杰燂拷p锟斤拷,锟斤拷
1.3 锟斤拷 锟絫前锟斤拷锟斤拷锟絆(sh锟斤拷)锟斤拷
锟斤拷锟斤拷(锟斤拷锟斤拷锟斤拷) 锟斤拷锟矫诧拷锟絇锟斤拷锟斤拷锟, 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絯,锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紽锟斤拷锟絕,锟斤拷锟斤拷锟斤拷锟斤拷 4 锟斤拷锟斤拷,锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟较碉拷锟斤拷锟斤拷锟斤拷液锟組锟节猴拷锟紽锟斤拷锟斤拷锟斤拷锟組锟节烇拷锟捷紋锟紹锟斤拷, 通锟絕锟缴革拷锟斤拷锟斤拷軟锟杰分別锟絚锟斤拷锟斤拷锟斤拷液锟斤拷路锟斤拷锟斤拷锟斤拷锟斤拷路锟紹锟斤拷,锟斤拷軟锟杰猴拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭猴拷锟铰,锟斤拷锟斤拷锟斤拷锟斤拷路锟较就斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟統锟斤拷
每只锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷電勶拷锟斤拷锟組锟斤拷, 锟斤拷锟紽(xi锟斤拷n)锟皆勶拷锟斤拷锟組锟斤拷锟狡筹拷锟斤拷锟斤拷锟侥勶拷锟斤拷,锟斤拷锟斤拷锟組锟斤拷锟斤拷位锟斤拷锟斤拷號锟接碉拷 SNCR脫锟斤拷锟斤拷锟斤拷系锟統(t锟斤拷ng)锟斤拷, 锟絚锟絖(停)锟紽锟斤拷锟斤拷锟斤拷锟斤拷锟絖(停)锟斤拷锟斤拷锟斤拷液锟斤拷锟統锟絋锟斤拷锟斤拷聯(li锟斤拷n)锟斤拷, 锟斤拷锟紽(xi锟斤拷n)锟斤拷锟斤拷 SNCR 脫锟斤拷系锟統(t锟斤拷ng)锟斤拷锟斤拷锟皆勶拷锟絓锟斤拷,锟斤拷
2 锟斤拷 試驗方锟斤拷锟斤拷B
锟斤拷锟斤拷試锟統锟斤拷锟侥橈拷品锟斤拷锟斤拷 NOx锟斤拷O2 锟斤拷 NH3 ,锟斤拷
2.1 锟斤拷 NOx 锟斤拷O2 锟侥測锟斤拷
NOx 锟侥測锟斤拷锟絰锟斤拷锟斤拷锟斤拷锟絋锟接癸拷司 UL TRAMAT23锟酵紅锟斤拷 NOx 锟斤拷锟斤拷锟絰, O2 锟侥測锟斤拷锟絰锟斤拷锟斤拷 M&CPMA10 锟斤拷 O2 锟斤拷锟斤拷锟絰,锟斤拷锟斤拷每锟斤拷锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟侥測锟斤拷锟斤拷锟矫網(w锟斤拷ng)锟今法測锟斤拷, 每锟阶測 3 锟絚锟斤拷
2.2 锟斤拷 锟斤拷泄漏锟绞的測锟斤拷
锟斤拷泄漏锟绞的測锟斤拷锟斤拷锟斤拷 EPA met hod CTM 027锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n), 锟缴橈拷系锟統(t锟斤拷ng)锟斤拷D 1 锟斤拷示锟斤拷A 锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷 B 锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷锟統锟斤拷 3 锟絚,锟斤拷锟斤拷品锟斤拷锟斤拷锟絰锟斤拷锟斤拷 Orion 951201 锟酵帮拷電極, 使锟斤拷 NH3 锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷液锟街區(q锟斤拷)锟絞锟斤拷(bi锟斤拷o)锟斤拷,锟斤拷锟斤拷(d锟斤拷ng) NH3锟絴(zh锟斤拷)锟斤拷锟斤拷锟斤拷锟 0.1锟斤拷1 mg/ m3锟絩, 锟斤拷 0.1 mg/ m3锟斤拷1mg/m3锟斤拷 NH3 锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷液锟組锟叫橈拷(bi锟斤拷o)锟斤拷; 锟斤拷(d锟斤拷ng) NH3 锟絴(zh锟斤拷)锟斤拷锟斤拷锟斤拷锟 1锟斤拷10 mg/ m3锟絩, 使锟斤拷1 mg/m3锟斤拷10 mg/m3锟斤拷 NH3 锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷液锟組锟叫橈拷(bi锟斤拷o)锟斤拷锟斤拷锟矫橈拷(bi锟斤拷o)锟斤拷锟矫的帮拷電極锟斤拷锟斤拷品锟組锟叫測锟斤拷,锟斤拷
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3锟斤拷 試锟結(ji锟斤拷)論
锟侥憋拷锟斤拷試锟斤拷锟皆匡拷锟斤拷: 脫锟斤拷锟绞达拷锟斤拷 30 % , 锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷 7.6 mg/ m3,锟斤拷
锟斤拷锟斤拷锟斤拷\锟叫斤拷(j锟斤拷ng)锟斤拷锟斤拷, 锟絊锟斤拷锟斤拷锟斤拷锟斤拷锟绞碉拷锟斤拷锟斤拷, 锟秸氾拷锟紸(y锟斤拷)锟斤拷锟斤拷锟斤拷洗锟絞锟斤拷锟絩锟絞锟斤拷锟絪锟斤拷, 锟斤拷锟絟锟节憋拷锟紺脫锟斤拷锟绞碉拷锟斤拷r锟铰盡锟斤拷锟絧小锟斤拷锟斤拷锟斤拷锟斤拷(锟铰囷拷通锟斤拷锟斤拷锟斤拷锟斤拷 1.5 mg/m3锟斤拷锟斤拷) ,锟斤拷锟缴达拷試锟侥結(ji锟斤拷)锟斤拷見锟斤拷3锟斤拷
锟侥憋拷3锟斤拷锟皆匡拷锟斤拷, 锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷?j锟斤拷n)?sh锟斤拷)锟斤拷 12 %锟絩锟侥革拷項咃拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷(y锟斤拷u),锟斤拷
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锟絊锟斤拷锟斤拷锟斤拷锟紺锟斤拷锟斤拷施锟铰的达拷锟斤拷欧艠锟(bi锟斤拷o)锟斤拷(zh锟斤拷n), 锟斤拷锟秸惧仩t锟斤拷 NOx 锟脚凤拷锟斤拷锟斤拷锟揭拷锟, SNCR 脫锟斤拷锟斤拷锟絞(sh锟斤拷)锟斤拷锟斤拷锟矫碉拷锟狡廣锟斤拷(y锟斤拷ng)锟斤拷, 锟斤拷锟組一锟斤拷锟矫碉拷锟斤拷锟斤拷,锟斤拷锟斤拷某電廠锟侥戯拷(y锟斤拷ng)锟矫岋拷锟紿锟絝锟斤拷, 锟节憋拷锟紺脫锟斤拷锟绞碉拷同锟絩, 锟斤拷(y锟斤拷ng)锟組锟斤拷锟絧小锟斤拷锟斤拷锟斤拷锟斤拷, 锟皆滿锟斤拷h(hu锟斤拷n)锟斤拷要锟斤拷, 锟斤拷锟斤拷锟紺锟絆(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟(w锟斤拷n)锟斤拷锟絓锟叫★拷
使锟斤拷微锟斤拷“锟斤拷一锟斤拷”锟斤拷锟斤拷锟斤拷锟斤拷“锟斤拷锟絭锟絟(hu锟斤拷n)锟斤拷锟絎(w锟斤拷ng)”
