Article(id=1222488514109891228, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1222488501866713569, articleNumber=null, orderNo=null, doi=10.19666/j.rlfd.202212295, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1669824000000, receivedDateStr=2022-12-01, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1769393574502, onlineDateStr=2026-01-26, pubDate=1690214400000, pubDateStr=2023-07-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769393574502, onlineIssueDateStr=2026-01-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769393574502, creator=13701087609, updateTime=1769393574502, updator=13701087609, issue=Issue{id=1222488501866713569, tenantId=1146029695717560320, journalId=1210938733613449225, year='2023', volume='52', issue='7', pageStart='1', pageEnd='199', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769393571583, creator=13701087609, updateTime=1769393973240, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1222490186634743828, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1222488501866713569, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1222490186634743829, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1222488501866713569, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=142, endPage=149, ext={EN=ArticleExt(id=1222488515376571101, articleId=1222488514109891228, tenantId=1146029695717560320, journalId=1210938733613449225, language=EN, title=Adaptability research of different types of boiler burning Naomaohu high-alkali coal in one power plant, columnId=1222488502818820580, journalTitle=Thermal Power Generation, columnName=Blending and combustion optimization technologies for coal-fired power plants, runingTitle=null, highlight=null, articleAbstract=

Large proportion burning high-alkali coal will cause serious contamination to the heating surface of the boiler, and threat the device security and stable production of the power plant. The article compared flue gas temperature changes of three types of boilers burning Xinjiang Naomaohu high-alkali coal, XRD phase analysis and chemical composition analysis of ash slag was also performed. Analysis results indicate the composition of the ash block developed by short-term bonding is close to that of coal ash, and the texture is loose, and the heating surfaces can be kept clean by soot blowing optimization. The shell-like slag formed by long-term contamination is rich in SO3 and Na2O, the degree of sintering is high, and the texture is hard, controlling the flue gas temperature of the heating surface inlet can effectively reduce the fouling and slagging of the tube panel. The flue gas temperature at the convection heating surface inlet with tube panel gaps of about 50 mm should be controlled below 800 ℃, when the gaps are above 200 mm, the flue gas temperature should be controlled below 1 000 ℃. The results of the research can be used as a reference for the same type of boiler burning high-alkali coal.

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电站锅炉高比例掺烧高碱煤,会造成受热面严重结渣沾污,威胁电厂安全稳定生产。对比了甘肃某电厂3种不同类型锅炉掺烧新疆淖毛湖高碱煤炉况劣化前后的烟气温度变化,并对受热面沾污的灰渣进行了XRD物相分析和化学成分分析。分析结果表明:短时间粘结发展而成的灰块成分与煤灰成分接近,质地疏松,可通过优化吹灰保持受热面清洁;长时间沾污形成的管壳状渣块中富集SO3、Na2O,烧结程度高、质地坚硬,控制受热面入口烟气温度可有效缓解管屏沾污结渣;管屏间距50 mm左右的对流受热面,入口烟气温度应控制在800 ℃以下;管屏间距200 mm以上的对流受热面,入口烟气温度应控制在1 000 ℃以下。研究结果可为同类型锅炉掺烧高碱煤提供参考。

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蒙玉仓(1968),男,高级工程师,主要研究方向为电厂锅炉设备技术等,

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蒙玉仓(1968),男,高级工程师,主要研究方向为电厂锅炉设备技术等,

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蒙玉仓(1968),男,高级工程师,主要研究方向为电厂锅炉设备技术等,

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某电厂不同类型锅炉掺烧新疆淖毛湖高碱煤适应性研究
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蒙玉仓 1 , 李炎 2 , 杨忠灿 2 , 祁青福 1 , 蒋泰宇 1 , 赵小兵 1 , 聂明清 1
热力发电 | 燃煤电站掺烧及燃烧优化技术 2023,52(7): 142-149
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热力发电 | 燃煤电站掺烧及燃烧优化技术 2023, 52(7): 142-149
某电厂不同类型锅炉掺烧新疆淖毛湖高碱煤适应性研究
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蒙玉仓1 , 李炎2, 杨忠灿2, 祁青福1, 蒋泰宇1, 赵小兵1, 聂明清1
作者信息
  • 1.酒钢集团宏晟电热公司,甘肃 嘉峪关 735100
  • 2.西安热工研究院有限公司,陕西 西安 710054
  • 蒙玉仓(1968),男,高级工程师,主要研究方向为电厂锅炉设备技术等,

Adaptability research of different types of boiler burning Naomaohu high-alkali coal in one power plant
Yucang MENG1 , Yan LI2, Zhongcan YANG2, Qingfu QI1, Taiyu JIANG1, Xiaobing ZHAO1, Mingqing NIE1
Affiliations
  • 1.Hongsheng Electric Company of Jiuquan Iron and Steel Co., Ltd., Jiayuguan 735100, China
  • 2.Xi'an Thermal Power Research Institute Co., Ltd., Xi'an 710054, China
出版时间: 2023-07-25 doi: 10.19666/j.rlfd.202212295
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电站锅炉高比例掺烧高碱煤,会造成受热面严重结渣沾污,威胁电厂安全稳定生产。对比了甘肃某电厂3种不同类型锅炉掺烧新疆淖毛湖高碱煤炉况劣化前后的烟气温度变化,并对受热面沾污的灰渣进行了XRD物相分析和化学成分分析。分析结果表明:短时间粘结发展而成的灰块成分与煤灰成分接近,质地疏松,可通过优化吹灰保持受热面清洁;长时间沾污形成的管壳状渣块中富集SO3、Na2O,烧结程度高、质地坚硬,控制受热面入口烟气温度可有效缓解管屏沾污结渣;管屏间距50 mm左右的对流受热面,入口烟气温度应控制在800 ℃以下;管屏间距200 mm以上的对流受热面,入口烟气温度应控制在1 000 ℃以下。研究结果可为同类型锅炉掺烧高碱煤提供参考。

淖毛湖高碱煤  /  掺烧  /  结焦  /  沾污  /  锅炉

Large proportion burning high-alkali coal will cause serious contamination to the heating surface of the boiler, and threat the device security and stable production of the power plant. The article compared flue gas temperature changes of three types of boilers burning Xinjiang Naomaohu high-alkali coal, XRD phase analysis and chemical composition analysis of ash slag was also performed. Analysis results indicate the composition of the ash block developed by short-term bonding is close to that of coal ash, and the texture is loose, and the heating surfaces can be kept clean by soot blowing optimization. The shell-like slag formed by long-term contamination is rich in SO3 and Na2O, the degree of sintering is high, and the texture is hard, controlling the flue gas temperature of the heating surface inlet can effectively reduce the fouling and slagging of the tube panel. The flue gas temperature at the convection heating surface inlet with tube panel gaps of about 50 mm should be controlled below 800 ℃, when the gaps are above 200 mm, the flue gas temperature should be controlled below 1 000 ℃. The results of the research can be used as a reference for the same type of boiler burning high-alkali coal.

Naomaohu coal  /  blending  /  coking  /  fouling  /  boiler
蒙玉仓, 李炎, 杨忠灿, 祁青福, 蒋泰宇, 赵小兵, 聂明清. 某电厂不同类型锅炉掺烧新疆淖毛湖高碱煤适应性研究. 热力发电, 2023 , 52 (7) : 142 -149 . DOI: 10.19666/j.rlfd.202212295
Yucang MENG, Yan LI, Zhongcan YANG, Qingfu QI, Taiyu JIANG, Xiaobing ZHAO, Mingqing NIE. Adaptability research of different types of boiler burning Naomaohu high-alkali coal in one power plant[J]. Thermal Power Generation, 2023 , 52 (7) : 142 -149 . DOI: 10.19666/j.rlfd.202212295
2023年第52卷第7期
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doi: 10.19666/j.rlfd.202212295
  • 接收时间:2022-12-01
  • 首发时间:2026-01-26
  • 出版时间:2023-07-25
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  • 收稿日期:2022-12-01
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    1.酒钢集团宏晟电热公司,甘肃 嘉峪关 735100
    2.西安热工研究院有限公司,陕西 西安 710054
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
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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