Article(id=1222513216798842937, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1222513210519970621, articleNumber=null, orderNo=null, doi=10.19666/j.rlfd.202301005, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1673452800000, receivedDateStr=2023-01-12, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1769399464081, onlineDateStr=2026-01-26, pubDate=1700841600000, pubDateStr=2023-11-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769399464081, onlineIssueDateStr=2026-01-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769399464081, creator=13701087609, updateTime=1769399464081, updator=13701087609, issue=Issue{id=1222513210519970621, tenantId=1146029695717560320, journalId=1210938733613449225, year='2023', volume='52', issue='11', pageStart='1', pageEnd='198', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769399462585, creator=13701087609, updateTime=1769405983425, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1222540560984957089, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1222513210519970621, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1222540560984957090, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1222513210519970621, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=150, endPage=158, ext={EN=ArticleExt(id=1222513217067278416, articleId=1222513216798842937, tenantId=1146029695717560320, journalId=1210938733613449225, language=EN, title=New optimization method for ammonia/NO
x dual control, columnId=1211002409397129992, journalTitle=Thermal Power Generation, columnName=Power generation technology forum, runingTitle=null, highlight=null, articleAbstract=
To solve the problems of uneven distribution of NOx concentration at the outlet and excessive ammonia escape in the actual SCR operation of power plants, the SCR DeNOx reactor was simulated numerically and a new ammonia injection optimization method for dual control of ammonia slip and nitrogen oxides emission was proposed. Taking the SCR DeNOx system of a 660 MW unit as an example, a numerical model of visual flow field and DeNOx reaction was established, and the change of the partitioned outlet NOx concentration, ammonia slip and partitioned DeNOx efficiency under different total ammonia nitrogen ratios were analyzed and compared. The results show that the relationship between partitioned DeNOx efficiency, outlet NOx and ammonia concentration, with the partitioned ammonia-nitrogen ratio is a two-parts linear relation separated by an inflection point, and the inflection point occurs when partitioned ammonia-nitrogen ratio is about 1.15. On this basis, the present study proposes a new optimization method for ammonia/nitrogen dual control optimization based on the combination of piecewise fitting function and optimization matrix equation. It is predicted that the 660 MW unit by using 5 zones and 42 nozzles for ammonia injection regulation, and the optimized total ammonia injection volume will decrease by 7.2% at the best compared with the uniform ammonia injection working condition. Relative standard deviation of outlet NOx concentration and ammonia slip volume will decrease to 9.4% and 4.2% respectively, and the outlet uniformity will be significantly improved, and there is no locally over DeNOx phenomenon.
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针对目前电厂实际选择性催化还原(SCR)烟气脱硝系统运行中存在的出口NOx质量浓度分布不均以及氨逃逸超标等问题,进行了数值模拟分析并基于此提出了一种氨氮双控的喷氨优化新方法。以某660 MW机组SCR烟气脱硝系统为例,建立可视化流场和脱硝反应数值模型,分析比较了不同氨氮摩尔比条件下出口各分区NOx质量浓度、氨逃逸体积分数以及脱硝效率的变化规律。结果表明:分区脱硝效率、出口NOx质量浓度和氨逃逸体积分数与氨氮比之间的关系均呈由一拐点分隔的两段线性的变化规律,拐点出现在氨氮摩尔比为1.15左右。据此,提出了基于分段拟合函数与优化矩阵方程相结合的氨氮双控喷氨优化新方法,分别预测了该660 MW机组使用5分区和42喷嘴进行喷氨调节优化,优化后的总喷氨量相对均匀喷氨工况最多下降7.2%,同时出口NOx质量浓度和氨逃逸体积分数的相对标准偏差分别下降至9.4%和4.2%,出口均匀性显著提高,不存在局部超标现象。
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, authorsList=李博航, 卢志民, 廖永进, 李德波, 谢子立, 张向, 姚顺春)}, authors=[Author(id=1241137050934637222, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=961704374@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241137051039494828, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, authorId=1241137050934637222, language=EN, stringName=Bohang LI, firstName=Bohang, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1.School of Electric Power, South China University of Technology, Guangzhou 510640, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241137051182101168, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, authorId=1241137050934637222, language=CN, stringName=李博航, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1.华南理工大学电力学院,广东 广州 510640, bio={"content":"
李博航(1997),男,硕士研究生,主要研究方向为烟气脱硝技术模拟,961704374@qq.com。
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李博航(1997),男,硕士研究生,主要研究方向为烟气脱硝技术模拟,961704374@qq.com。
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1.School of Electric Power, South China University of Technology, Guangzhou 510640, China
2.Guangdong Province Key Laboratory of Efficient and Clean Energy Utilization, Guangzhou 510640, China
3.Guangzhou Province Engineering Research Center of High Efficiency and Low Pollution Energy Conversion ,Guangzhou 510640, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241137051614114503, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, authorId=1241137051349873333, language=CN, stringName=卢志民, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.华南理工大学电力学院,广东 广州 510640
2.广东省能源高效清洁利用重点实验室,广东 广州 510640
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1.华南理工大学电力学院,广东 广州 510640)]), AuthorCompany(id=1241137050506818193, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, xref=2., ext=[AuthorCompanyExt(id=1241137050515206802, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, companyId=1241137050506818193, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3.Guangzhou Province Engineering Research Center of High Efficiency and Low Pollution Energy Conversion ,Guangzhou 510640, China), AuthorCompanyExt(id=1241137050615870103, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, companyId=1241137050603287189, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.广东省能源高效低污染转化与工程技术研究中心,广东 广州 510640)])]), Author(id=1241137051710583503, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241137051815441110, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, authorId=1241137051710583503, language=EN, stringName=Yongjin LIAO, firstName=Yongjin, middleName=null, lastName=LIAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
4, address=
4.China Southern Power Grid Power Technology Co., Ltd., Guangzhou 510030, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241137051907715803, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, authorId=1241137051710583503, language=CN, stringName=廖永进, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
4, address=
4.南方电网电力科技股份有限公司,广东 广州 510030, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241137050712339098, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, xref=4., ext=[AuthorCompanyExt(id=1241137050720727707, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, companyId=1241137050712339098, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.China Southern Power Grid Power Technology Co., Ltd., Guangzhou 510030, China), AuthorCompanyExt(id=1241137050724922012, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, companyId=1241137050712339098, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.南方电网电力科技股份有限公司,广东 广州 510030)])]), Author(id=1241137052004184801, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241137052075487975, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, authorId=1241137052004184801, language=EN, stringName=Debo LI, firstName=Debo, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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4.China Southern Power Grid Power Technology Co., Ltd., Guangzhou 510030, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241137052260037358, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, authorId=1241137052004184801, language=CN, stringName=李德波, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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4.南方电网电力科技股份有限公司,广东 广州 510030, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241137050712339098, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, xref=4., ext=[AuthorCompanyExt(id=1241137050720727707, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, companyId=1241137050712339098, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1, address=
1.School of Electric Power, South China University of Technology, Guangzhou 510640, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241137052587193087, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, authorId=1241137052369089267, language=CN, stringName=谢子立, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.华南理工大学电力学院,广东 广州 510640, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241137050406154891, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, xref=1., ext=[AuthorCompanyExt(id=1241137050414543500, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, companyId=1241137050406154891, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.华南理工大学电力学院,广东 广州 510640)])]), Author(id=1241137052713022215, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, orderNo=5, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241137052859822864, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, authorId=1241137052713022215, language=EN, stringName=Xiang ZHANG, firstName=Xiang, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
5, address=
5.Guangdong Institute of Metrology, Guangzhou 510405, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241137052973069079, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, authorId=1241137052713022215, language=CN, stringName=张向, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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5.广东省计量科学研究院,广东 广州 510405, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241137050808808095, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, xref=5., ext=[AuthorCompanyExt(id=1241137050813002400, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, companyId=1241137050808808095, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
5.Guangdong Institute of Metrology, Guangzhou 510405, China), AuthorCompanyExt(id=1241137050821391009, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, companyId=1241137050808808095, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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5.Guangdong Institute of Metrology, Guangzhou 510405, China), AuthorCompanyExt(id=1241137050821391009, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, companyId=1241137050808808095, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
5.广东省计量科学研究院,广东 广州 510405)])], figs=[ArticleFig(id=1241137056605336508, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, language=EN, label=Fig.1, caption=
Full scale model of SCR DeNOx system and ammonia spray grid structure, figureFileSmall=tWkAcCJIBNxJZ4tmXeSUlA==, figureFileBig=s+br0wDjXciNmp5u/cFmQA==, tableContent=null), ArticleFig(id=1241137056739554251, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, language=CN, label=图1, caption=
SCR脱硝系统全尺寸模型和喷氨格栅结构1—SCR脱硝系统入口;2—导流板;3—入口测量截面;4—喷氨格栅;5—静态混合器;6—整流格栅;7—催化剂层;8—出口测量截面;9—SCR系统出口。
, figureFileSmall=tWkAcCJIBNxJZ4tmXeSUlA==, figureFileBig=s+br0wDjXciNmp5u/cFmQA==, tableContent=null), ArticleFig(id=1241137056852800472, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, language=EN, label=Fig.2, caption=
Research roadmap, figureFileSmall=5qHRMyTmo7IsqBefCVrBSQ==, figureFileBig=1feCA0tcomWuqY3sCqgSUA==, tableContent=null), ArticleFig(id=1241137056949269475, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, language=CN, label=图2, caption=
研究路线, figureFileSmall=5qHRMyTmo7IsqBefCVrBSQ==, figureFileBig=1feCA0tcomWuqY3sCqgSUA==, tableContent=null), ArticleFig(id=1241137057045738476, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, language=EN, label=Fig.3, caption=
Statistical results of NOx concentration and ammonia slipin outlet partitionedzoneunder different totalammonia nitrogen ratio, figureFileSmall=rU9hmzjRxZWurvrCGGObjw==, figureFileBig=4l4bTvGrw/3whZ60v6Nc0w==, tableContent=null), ArticleFig(id=1241137057175761910, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, language=CN, label=图3, caption=
出口分区NOx质量浓度和氨逃逸体积分数统计结果, figureFileSmall=rU9hmzjRxZWurvrCGGObjw==, figureFileBig=4l4bTvGrw/3whZ60v6Nc0w==, tableContent=null), ArticleFig(id=1241137057276425214, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, language=EN, label=Fig.4, caption=
The variation of NOx and ammonia escape in different zones under different total ammonia nitrogen ratio, figureFileSmall=OkQyGZ7ndjyximnGU9P9lw==, figureFileBig=Nah/0V73J8N+9fQdJzaoBA==, tableContent=null), ArticleFig(id=1241137057360310277, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, language=CN, label=图4, caption=
不同氨氮比各分区出口NOx质量浓度和氨逃逸体积分数变化, figureFileSmall=OkQyGZ7ndjyximnGU9P9lw==, figureFileBig=Nah/0V73J8N+9fQdJzaoBA==, tableContent=null), ArticleFig(id=1241137057486139408, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, language=EN, label=Fig.5, caption=
Diagram of fitting relationship between SCR deNOx efficiency and ammonia nitrogen ratio, figureFileSmall=vCPN15qlbnej2bMMvBqdUQ==, figureFileBig=T1J0yah1QbqKpAycW8AzbA==, tableContent=null), ArticleFig(id=1241137057582608408, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, language=CN, label=图5, caption=
脱硝效率与氨氮比分段拟合关系, figureFileSmall=vCPN15qlbnej2bMMvBqdUQ==, figureFileBig=T1J0yah1QbqKpAycW8AzbA==, tableContent=null), ArticleFig(id=1241137057700048925, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, language=EN, label=Fig.6, caption=
Statistical chart of SCR outlet NOx concentration and ammonia slip concentration after optimized by pressure line emission target, figureFileSmall=hzOIX4M3BhWD3LDUhP6+Iw==, figureFileBig=wbI+VCP30B0LOuubAI8RkA==, tableContent=null), ArticleFig(id=1241137059201609764, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, language=CN, label=图6, caption=
采用压线排放目标优化后SCR系统出口分区NOx质量浓度和氨逃逸体积分数统计, figureFileSmall=hzOIX4M3BhWD3LDUhP6+Iw==, figureFileBig=wbI+VCP30B0LOuubAI8RkA==, tableContent=null), ArticleFig(id=1241137059310661681, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, language=EN, label=Fig.7, caption=
Comparison of nephogram of NOx concentration distribution at SCR outlet, figureFileSmall=2IZe7Or/pkIAKJ2E6fbkdQ==, figureFileBig=k0RyeGLE770ngKea8q7Ivw==, tableContent=null), ArticleFig(id=1241137059411324988, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, language=CN, label=图7, caption=
优化调整前后SCR系统出口NOx质量浓度分布比较, figureFileSmall=2IZe7Or/pkIAKJ2E6fbkdQ==, figureFileBig=k0RyeGLE770ngKea8q7Ivw==, tableContent=null), ArticleFig(id=1241137059516182595, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, language=EN, label=Fig.8, caption=
Cloud map of ammonia slip concentration distribution at SCR outlet, figureFileSmall=c/7QT61SqEbpwF6uKFL+Mw==, figureFileBig=e4WDN+BZAmy6bf8TFkQ3EQ==, tableContent=null), ArticleFig(id=1241137059650400337, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, language=CN, label=图8, caption=
优化调整前后SCR系统出口氨逃逸体积分数分布, figureFileSmall=c/7QT61SqEbpwF6uKFL+Mw==, figureFileBig=e4WDN+BZAmy6bf8TFkQ3EQ==, tableContent=null), ArticleFig(id=1241137059759452249, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, language=EN, label=Tab.1, caption=
Comparison of simulation results of optimization methods
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 优化调整前 | 5分区压线优化 | 42个喷嘴压线优化 |
|---|
| 脱硝效率/% | 94.3 | 88.0 | 88.0 |
| 喷氨总量/(kg·h–1) | 117.6 | 108.9 | 109.1 |
| 氨逃逸体积分数/(μL·L–1) | 2.7 | 2.0 | 2.0 |
| 出口NOx质量浓度/(mg·m–3) | 19.0 | 40.1 | 40.4 |
| 入口氨氮比 | 1.1 | 1.0 | 1.0 |
| 出口NOx相对偏差/% | 69.8 | 36.5 | 9.4 |
| 出口氨逃逸相对偏差/% | 38.4 | 6.9 | 4.2 |
| 入口氨氮比相对偏差/% | 5.6 | 4.9 | 1.4 |
), ArticleFig(id=1241137059860115552, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, language=CN, label=表1, caption=
优化方法模拟效果对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 优化调整前 | 5分区压线优化 | 42个喷嘴压线优化 |
|---|
| 脱硝效率/% | 94.3 | 88.0 | 88.0 |
| 喷氨总量/(kg·h–1) | 117.6 | 108.9 | 109.1 |
| 氨逃逸体积分数/(μL·L–1) | 2.7 | 2.0 | 2.0 |
| 出口NOx质量浓度/(mg·m–3) | 19.0 | 40.1 | 40.4 |
| 入口氨氮比 | 1.1 | 1.0 | 1.0 |
| 出口NOx相对偏差/% | 69.8 | 36.5 | 9.4 |
| 出口氨逃逸相对偏差/% | 38.4 | 6.9 | 4.2 |
| 入口氨氮比相对偏差/% | 5.6 | 4.9 | 1.4 |
), ArticleFig(id=1241137059952390249, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, language=EN, label=Tab.2, caption=
Relative value of opening adjustment of 42 ammonia injection valves of ammonia injection grid
, figureFileSmall=null, figureFileBig=null, tableContent=
| 喷氨阀编号 | A1-1 | A1-2 | A1-3 | A2-1 | A2-2 | A2-3 | A3-1 | A3-2 | A3-3 |
| 开度调整值 | –10.0 | 0.3 | –10.8 | –9.3 | –5.2 | –19.4 | –6.2 | –7.2 | –25.5 |
| 喷氨阀编号 | A4-1 | A4-2 | A4-3 | A5-1 | A5-2 | A5-3 | A6-1 | A6-2 | A6-3 |
| 开度调整值 | –4.1 | –6.2 | –28.6 | –3.4 | –1.7 | –26.8 | –3.2 | 1.1 | –24.3 |
| 喷氨阀编号 | A7-1 | A7-2 | A7-3 | A8-1 | A8-2 | A8-3 | A9-1 | A9-2 | A9-3 |
| 开度调整值 | –3.3 | 3.4 | –21.7 | –1.2 | 5.4 | –19.6 | 2.7 | 1.2 | –14.1 |
| 喷氨阀编号 | A10-1 | A10-2 | A10-3 | A11-1 | A11-2 | A11-3 | A12-1 | A12-2 | A12-3 |
| 开度调整值 | 6.4 | –5.5 | –9.0 | 0.6 | –12.3 | –5.0 | –7.6 | –10.3 | –2.8 |
| 喷氨阀编号 | A13-1 | A13-2 | A13-3 | A14-1 | A14-2 | A14-3 | | | |
| 开度调整值 | –3.2 | –2.8 | 0.8 | 9.8 | 4.9 | 0.8 | | | |
), ArticleFig(id=1241137060082413681, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222513216798842937, language=CN, label=表2, caption=
喷氨格栅42个喷氨阀开度调整相对值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 喷氨阀编号 | A1-1 | A1-2 | A1-3 | A2-1 | A2-2 | A2-3 | A3-1 | A3-2 | A3-3 |
| 开度调整值 | –10.0 | 0.3 | –10.8 | –9.3 | –5.2 | –19.4 | –6.2 | –7.2 | –25.5 |
| 喷氨阀编号 | A4-1 | A4-2 | A4-3 | A5-1 | A5-2 | A5-3 | A6-1 | A6-2 | A6-3 |
| 开度调整值 | –4.1 | –6.2 | –28.6 | –3.4 | –1.7 | –26.8 | –3.2 | 1.1 | –24.3 |
| 喷氨阀编号 | A7-1 | A7-2 | A7-3 | A8-1 | A8-2 | A8-3 | A9-1 | A9-2 | A9-3 |
| 开度调整值 | –3.3 | 3.4 | –21.7 | –1.2 | 5.4 | –19.6 | 2.7 | 1.2 | –14.1 |
| 喷氨阀编号 | A10-1 | A10-2 | A10-3 | A11-1 | A11-2 | A11-3 | A12-1 | A12-2 | A12-3 |
| 开度调整值 | 6.4 | –5.5 | –9.0 | 0.6 | –12.3 | –5.0 | –7.6 | –10.3 | –2.8 |
| 喷氨阀编号 | A13-1 | A13-2 | A13-3 | A14-1 | A14-2 | A14-3 | | | |
| 开度调整值 | –3.2 | –2.8 | 0.8 | 9.8 | 4.9 | 0.8 | | | |
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