循环流化床锅炉nox排放浓度调整方法探讨 an approach to regulation method for nox emission concentration of cfb boilers.pdfVIP
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循环流化床锅炉nox排放浓度调整方法探讨 an approach to regulation method for nox emission concentration of cfb boilers
循环流化床锅炉NOx排放浓度
调整方法探讨
刘 攀
中国石油化工股份公司广州分公司,广东广州 510725
[摘 要] 针对广州石化公司循环流化床锅炉(CFB)NO。排放浓度偏高的问题,分析认为主要是
全烧焦工况下炉膛温度偏高,SO。和N(),控制采取的措施与结果相互矛盾等所致。对
此,提出了锅炉定期掺煤、控制氧量、调整2台锅炉负荷等运行措施。实施后,CFB机组
NO,排放量稳步下降至200
定达标。
[关 键 词] CFB;污染物排放;掺煤;循环飞灰量;氧量;脱硫效率
[中图分类号]TK229
[文献标识码]B
[文章编号]1002~3364(2012)03—0066~02
IDOl编号]10.3969/j.issn.1002—3364.2012.03.066
METHoDFoR
ANAPPRoACHTOREGULATIoN
CoNCENTRATIoNoFCFBBoILERS
I。IUPan
PetrochemicalCo Province,PRC
Branch underChina 510726,Guangdong
GuangzhouCompany lad,Guangzhou
from boilerinGuan—
the of concentrationof CFB
Abstract:Directingagainstproblemhigh N(上emitted
Petro—chemicalBranch isbelievedthatthemaincausesare:the in
gzhou Company,it hightemperature
in and
furnaceunderconditionof cokes,aswellasmutualcontradictionS02 NO,contr01
fullyburning
OX—
etc..For as forthe the
these,severalmeasures,such boilers,controlling
periodicallycoal—blending
been forward.After
theloadof
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