Article(id=1222493247293870132, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1222493244286558340, articleNumber=null, orderNo=null, doi=10.19666/j.rlfd.202212267, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=1671033600000, revisedDateStr=2022-12-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1769394702980, onlineDateStr=2026-01-26, pubDate=1692892800000, pubDateStr=2023-08-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769394702980, onlineIssueDateStr=2026-01-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769394702980, creator=13701087609, updateTime=1769394702980, updator=13701087609, issue=Issue{id=1222493244286558340, tenantId=1146029695717560320, journalId=1210938733613449225, year='2023', volume='52', issue='8', pageStart='1', pageEnd='196', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769394702264, creator=13701087609, updateTime=1769394819736, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1222493737050169898, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1222493244286558340, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1222493737050169899, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1222493244286558340, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=87, endPage=95, ext={EN=ArticleExt(id=1222493249202278469, articleId=1222493247293870132, tenantId=1146029695717560320, journalId=1210938733613449225, language=EN, title=Performance analysis of cascade utilization system for industrial heating steam energy based on centripetal turbine power generation, columnId=1211002405299294959, journalTitle=Thermal Power Generation, columnName=Thermal energy science research, runingTitle=null, highlight=null, articleAbstract=

There is a common mismatch between heating supply and demand parameters for industrial heating retrofits of pure condensing thermal power units, and the benefits of thermal power plants can be improved by adopting a reasonable matching scheme of supply and demand parameter. Aiming at the phenomenon of energy mismatch caused by the excessively high extraction parameters of the unit in the industrial heating scene, considering that it is suitable for high-parameter industrial heating, this paper proposes a scheme of using the centripetal turbines for cascade utilization of extraction steam. Taking the industrial heating transformation of a domestic 330 MW cogeneration unit as an example, the thermal system model was constructed to comprehensively evaluate the performance indicators changes of the system from three aspects: thermal performance, exergy environment and economic performance. We also comprehensively compared the effect of upgrading the direct heat reduction and pressure reduction method to the radial turbine power generation steam energy cascade utilization scheme. The calculation results show that under the same heating parameters, compared with the traditional method of temperature reduction and pressure reduction, the comprehensive benefits of the industrial heating steam energy cascade utilization scheme based on centripetal turbine power generation is significant. The specific performance is that under rated conditions, the gross coal consumption rate for power generation can be reduced by 0.89 g/(kW·h), the extraction exergy efficiency can reach 97.66%, and the direct economic benefit is relatively increased by 1.04%, and the carbon transaction cost relative reduction of 0.34%. In addition, the relative advantages of all aspects performance of the system will expand with the increase of the amount of steam extracted by the system for industrial heating.

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针对纯凝机组工业供热改造普遍存在供热供需参数不匹配的现象,考虑工业供热高温高压工况下的适用性,提出采用向心涡轮机膨胀做功的方式对抽汽进行供需参数匹配,实现抽汽能量梯级利用。以某国产330 MW热电联产机组工业供热改造为例,构建了热力系统模型,对比传统直接减温减压和采用向心涡轮机发电2种供热参数匹配方案的系统性能,评估系统不同供热流量和变工况下各性能指标的变化规律。计算结果表明,与减温减压方式相比,相同供热参数下向心机涡轮供热参数匹配方案的综合效益显著,额定工况下主机发电煤耗率可降低0.89 g/(kW·h),抽汽㶲效率可达97.66%,直接经济效益相对提升1.04%,碳交易成本相对减少0.34%,且系统各方面相对性能优势随系统供热流量的增加而扩大。

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张波(1981),男,高级工程师,主要研究方向为能源动力,

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张波(1981),男,高级工程师,主要研究方向为能源动力,

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张波(1981),男,高级工程师,主要研究方向为能源动力,

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基于向心涡轮机发电的工业供热蒸汽能量梯级利用系统性能分析
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张波 1 , 李峰 1 , 余志文 2 , 顾煜炯 2 , 石磊 3 , 赵文博 4
热力发电 | 热能科学研究 2023,52(8): 87-95
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热力发电 | 热能科学研究 2023, 52(8): 87-95
基于向心涡轮机发电的工业供热蒸汽能量梯级利用系统性能分析
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张波1 , 李峰1, 余志文2, 顾煜炯2, 石磊3, 赵文博4
作者信息
  • 1.华电章丘发电有限公司,山东 济南 250216
  • 2.华北电力大学能源动力与机械工程学院,北京 102206
  • 3.石家庄良村热电有限公司,河北 石家庄 052160
  • 4.华北电力大学国家火力发电工程技术研究中心,北京 102206
  • 张波(1981),男,高级工程师,主要研究方向为能源动力,

Performance analysis of cascade utilization system for industrial heating steam energy based on centripetal turbine power generation
Bo ZHANG1 , Feng LI1, Zhiwen YU2, Yujiong GU2, Lei SHI3, Wenbo ZHAO4
Affiliations
  • 1.HuadianZhangqiu Power Generation Co., Ltd., Jinan 250216, China
  • 2.School of Energy Power and Mechanical Engineering, North China Electric Power University, Beijing 102206, China
  • 3.Shijiazhuang Liangcun Thermal Power Co., Ltd, Shijiazhuang 052160, China
  • 4.National Thermal Power Engineering & Technology Research Center, North China Electric Power University, Beijing 102206, China
出版时间: 2023-08-25 doi: 10.19666/j.rlfd.202212267
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针对纯凝机组工业供热改造普遍存在供热供需参数不匹配的现象,考虑工业供热高温高压工况下的适用性,提出采用向心涡轮机膨胀做功的方式对抽汽进行供需参数匹配,实现抽汽能量梯级利用。以某国产330 MW热电联产机组工业供热改造为例,构建了热力系统模型,对比传统直接减温减压和采用向心涡轮机发电2种供热参数匹配方案的系统性能,评估系统不同供热流量和变工况下各性能指标的变化规律。计算结果表明,与减温减压方式相比,相同供热参数下向心机涡轮供热参数匹配方案的综合效益显著,额定工况下主机发电煤耗率可降低0.89 g/(kW·h),抽汽㶲效率可达97.66%,直接经济效益相对提升1.04%,碳交易成本相对减少0.34%,且系统各方面相对性能优势随系统供热流量的增加而扩大。

工业供热  /  向心涡轮机  /  热能梯级利用  /  系统综合评估

There is a common mismatch between heating supply and demand parameters for industrial heating retrofits of pure condensing thermal power units, and the benefits of thermal power plants can be improved by adopting a reasonable matching scheme of supply and demand parameter. Aiming at the phenomenon of energy mismatch caused by the excessively high extraction parameters of the unit in the industrial heating scene, considering that it is suitable for high-parameter industrial heating, this paper proposes a scheme of using the centripetal turbines for cascade utilization of extraction steam. Taking the industrial heating transformation of a domestic 330 MW cogeneration unit as an example, the thermal system model was constructed to comprehensively evaluate the performance indicators changes of the system from three aspects: thermal performance, exergy environment and economic performance. We also comprehensively compared the effect of upgrading the direct heat reduction and pressure reduction method to the radial turbine power generation steam energy cascade utilization scheme. The calculation results show that under the same heating parameters, compared with the traditional method of temperature reduction and pressure reduction, the comprehensive benefits of the industrial heating steam energy cascade utilization scheme based on centripetal turbine power generation is significant. The specific performance is that under rated conditions, the gross coal consumption rate for power generation can be reduced by 0.89 g/(kW·h), the extraction exergy efficiency can reach 97.66%, and the direct economic benefit is relatively increased by 1.04%, and the carbon transaction cost relative reduction of 0.34%. In addition, the relative advantages of all aspects performance of the system will expand with the increase of the amount of steam extracted by the system for industrial heating.

industrial heating  /  centripetal turbine  /  energy cascade utilization  /  comprehensive evaluation of the system
张波, 李峰, 余志文, 顾煜炯, 石磊, 赵文博. 基于向心涡轮机发电的工业供热蒸汽能量梯级利用系统性能分析. 热力发电, 2023 , 52 (8) : 87 -95 . DOI: 10.19666/j.rlfd.202212267
Bo ZHANG, Feng LI, Zhiwen YU, Yujiong GU, Lei SHI, Wenbo ZHAO. Performance analysis of cascade utilization system for industrial heating steam energy based on centripetal turbine power generation[J]. Thermal Power Generation, 2023 , 52 (8) : 87 -95 . DOI: 10.19666/j.rlfd.202212267
  • 中国华电集团科技项目(CHDK21-02-163)
2023年第52卷第8期
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doi: 10.19666/j.rlfd.202212267
  • 首发时间:2026-01-26
  • 出版时间:2023-08-25
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  • 修回日期:2022-12-15
基金
China Huadian Group Technology Project(CHDK21-02-163)
中国华电集团科技项目(CHDK21-02-163)
作者信息
    1.华电章丘发电有限公司,山东 济南 250216
    2.华北电力大学能源动力与机械工程学院,北京 102206
    3.石家庄良村热电有限公司,河北 石家庄 052160
    4.华北电力大学国家火力发电工程技术研究中心,北京 102206
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Percentage of total
species (%)
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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