Article(id=1222499162508222768, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1222499161174434087, articleNumber=null, orderNo=null, doi=10.19666/j.rlfd.202305082, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1685203200000, receivedDateStr=2023-05-28, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1769396113277, onlineDateStr=2026-01-26, pubDate=1695571200000, pubDateStr=2023-09-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769396113277, onlineIssueDateStr=2026-01-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769396113277, creator=13701087609, updateTime=1769396113277, updator=13701087609, issue=Issue{id=1222499161174434087, tenantId=1146029695717560320, journalId=1210938733613449225, year='2023', volume='52', issue='9', pageStart='1', pageEnd='204', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769396112960, creator=13701087609, updateTime=1769396581892, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1222501128068129514, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1222499161174434087, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1222501128068129515, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1222499161174434087, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=39, endPage=47, ext={EN=ArticleExt(id=1222499164034949434, articleId=1222499162508222768, tenantId=1146029695717560320, journalId=1210938733613449225, language=EN, title=Study on feed delay characteristics of large circulating fluidized bed boiler under variable load operation, columnId=1222499161992323369, journalTitle=Thermal Power Generation, columnName=Clean, efficient and flexible coal-fired power technology, runingTitle=null, highlight=null, articleAbstract=

In the domestic large circulating fluidized bed boilers designed with side wall and back wall coal feeding system, there are generally prominent problems of coal feeding delay and uneven coal feeding in the actual operation process. By analyzing the coal feeding delay problem of large CFB boiler units and the operation characteristics of the existing coal feeding system, the quantitative calculation method of coal feeding delay problem of large CFB boiler coal feeding line is put forward. Based on the case of a supercritical 600 MW CFB boiler coal feed line, the coal feed delay characteristics of the coal feed line under the condition of wide load and rapid peak regulation are obtained. The calculation results show that the coal feed delay problem is common in the variable load operation process of large CFB boiler units, which will lead to a certain degree of uneven coal feed. The variable load range, variable load rate and the number of coal feed ports on the single feed line are positively correlated with the severity of the delay problem. The calculation method and analysis results can provide design basis and technical reference for large CFB boiler coal feed line to adapt to wide load and fast peaking operation.

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目前国内设计有侧墙、后墙给煤系统的大型循环流化床(CFB)锅炉在实际运行过程中普遍存在着给煤延迟与给煤不均匀的突出问题。通过对大型CFB锅炉机组给煤延迟问题和现存给煤系统运行特点的分析,提出了大型CFB锅炉给煤线路给煤延迟问题量化计算方法,并针对某超临界600 MW CFB锅炉给煤线路案例进行计算,获得了宽负荷快速调峰工况下给煤线路的给煤延迟特性。计算结果表明:给煤延迟问题在大型CFB锅炉机组的变负荷运行过程中普遍存在,均会导致一定程度的给煤不均情况;机组变负荷幅度、变负荷速率以及单给煤线路上给煤口数量均与给煤延迟问题的严重程度成正相关关系。计算方法与分析结果可为大型CFB锅炉给煤线路适应宽负荷快速调峰运行提供设计依据和技术参考。

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卢啸风(1962),男,博士,教授,主要研究方向为洁净煤燃烧技术及工程应用研究和烟气脱硫、脱硝技术及工程应用,
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张戎迪(2000),男,博士研究生,主要研究方向为清洁高效煤燃烧技术,

, authorsList=张戎迪, 卢啸风, 王学深, 甘政, 宗琛, 杨中智, 董中豪, 李建波, 王泉海, 亢银虎)}, authors=[Author(id=1222499168791290316, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222499162508222768, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=641154702@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1222499168908730835, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222499162508222768, authorId=1222499168791290316, language=EN, stringName=Rongdi ZHANG, firstName=Rongdi, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=1, address=1.Key laboratory of Low-grade Energy Utilization Technologies & Systems, Ministry of Education, Chongqing 400044, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1222499169001005531, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1222499162508222768, authorId=1222499168791290316, language=CN, stringName=张戎迪, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=1, address=1.重庆大学低品位能源利用技术及系统教育部重点实验室,重庆 400044, bio={"content":"

张戎迪(2000),男,博士研究生,主要研究方向为清洁高效煤燃烧技术,

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张戎迪(2000),男,博士研究生,主要研究方向为清洁高效煤燃烧技术,

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大型循环流化床锅炉变负荷运行时给煤延迟特性研究
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张戎迪 1 , 卢啸风 1 , 王学深 2 , 甘政 2 , 宗琛 3 , 杨中智 1 , 董中豪 1 , 李建波 1 , 王泉海 1 , 亢银虎 1
热力发电 | 清洁高效灵活煤电技术专题 2023,52(9): 39-47
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热力发电 | 清洁高效灵活煤电技术专题 2023, 52(9): 39-47
大型循环流化床锅炉变负荷运行时给煤延迟特性研究
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张戎迪1 , 卢啸风1 , 王学深2, 甘政2, 宗琛3, 杨中智1, 董中豪1, 李建波1, 王泉海1, 亢银虎1
作者信息
  • 1.重庆大学低品位能源利用技术及系统教育部重点实验室,重庆 400044
  • 2.四川白马循环流化床示范电站有限责任公司,四川 内江 641005
  • 3.重庆市特种设备检测研究院,重庆 401120
  • 张戎迪(2000),男,博士研究生,主要研究方向为清洁高效煤燃烧技术,

通讯作者:

卢啸风(1962),男,博士,教授,主要研究方向为洁净煤燃烧技术及工程应用研究和烟气脱硫、脱硝技术及工程应用,
Study on feed delay characteristics of large circulating fluidized bed boiler under variable load operation
Rongdi ZHANG1 , Xiaofeng LU1 , Xueshen WANG2, Zheng GAN2, Chen ZONG3, Zhongzhi YANG1, Zhonghao DONG1, Jianbo LI1, Quanhai WANG1, Yinhu KANG1
Affiliations
  • 1.Key laboratory of Low-grade Energy Utilization Technologies & Systems, Ministry of Education, Chongqing 400044, China
  • 2.Sichuan Baima CFB Demonstration Power Plant Co., Ltd., Neijiang 641005, China
  • 3.Special Equipment Testing and Research Institute of Chongqing, Chongqing 401120, China
出版时间: 2023-09-25 doi: 10.19666/j.rlfd.202305082
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目前国内设计有侧墙、后墙给煤系统的大型循环流化床(CFB)锅炉在实际运行过程中普遍存在着给煤延迟与给煤不均匀的突出问题。通过对大型CFB锅炉机组给煤延迟问题和现存给煤系统运行特点的分析,提出了大型CFB锅炉给煤线路给煤延迟问题量化计算方法,并针对某超临界600 MW CFB锅炉给煤线路案例进行计算,获得了宽负荷快速调峰工况下给煤线路的给煤延迟特性。计算结果表明:给煤延迟问题在大型CFB锅炉机组的变负荷运行过程中普遍存在,均会导致一定程度的给煤不均情况;机组变负荷幅度、变负荷速率以及单给煤线路上给煤口数量均与给煤延迟问题的严重程度成正相关关系。计算方法与分析结果可为大型CFB锅炉给煤线路适应宽负荷快速调峰运行提供设计依据和技术参考。

CFB锅炉  /  给煤均匀性  /  给煤系统  /  变负荷

In the domestic large circulating fluidized bed boilers designed with side wall and back wall coal feeding system, there are generally prominent problems of coal feeding delay and uneven coal feeding in the actual operation process. By analyzing the coal feeding delay problem of large CFB boiler units and the operation characteristics of the existing coal feeding system, the quantitative calculation method of coal feeding delay problem of large CFB boiler coal feeding line is put forward. Based on the case of a supercritical 600 MW CFB boiler coal feed line, the coal feed delay characteristics of the coal feed line under the condition of wide load and rapid peak regulation are obtained. The calculation results show that the coal feed delay problem is common in the variable load operation process of large CFB boiler units, which will lead to a certain degree of uneven coal feed. The variable load range, variable load rate and the number of coal feed ports on the single feed line are positively correlated with the severity of the delay problem. The calculation method and analysis results can provide design basis and technical reference for large CFB boiler coal feed line to adapt to wide load and fast peaking operation.

CFB boiler  /  coal feeding uniformity  /  coal feeding system  /  load changing condition
张戎迪, 卢啸风, 王学深, 甘政, 宗琛, 杨中智, 董中豪, 李建波, 王泉海, 亢银虎. 大型循环流化床锅炉变负荷运行时给煤延迟特性研究. 热力发电, 2023 , 52 (9) : 39 -47 . DOI: 10.19666/j.rlfd.202305082
Rongdi ZHANG, Xiaofeng LU, Xueshen WANG, Zheng GAN, Chen ZONG, Zhongzhi YANG, Zhonghao DONG, Jianbo LI, Quanhai WANG, Yinhu KANG. Study on feed delay characteristics of large circulating fluidized bed boiler under variable load operation[J]. Thermal Power Generation, 2023 , 52 (9) : 39 -47 . DOI: 10.19666/j.rlfd.202305082
  • 国家重点研发计划项目(2022YFB4100301)
2023年第52卷第9期
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doi: 10.19666/j.rlfd.202305082
  • 接收时间:2023-05-28
  • 首发时间:2026-01-26
  • 出版时间:2023-09-25
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  • 收稿日期:2023-05-28
基金
National Key Research and Development Program(2022YFB4100301)
国家重点研发计划项目(2022YFB4100301)
作者信息
    1.重庆大学低品位能源利用技术及系统教育部重点实验室,重庆 400044
    2.四川白马循环流化床示范电站有限责任公司,四川 内江 641005
    3.重庆市特种设备检测研究院,重庆 401120

通讯作者:

卢啸风(1962),男,博士,教授,主要研究方向为洁净煤燃烧技术及工程应用研究和烟气脱硫、脱硝技术及工程应用,
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2种不同金属材料的力学参数

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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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