Article(id=1318974632145834565, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318974603884606018, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20221080, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1670860800000, receivedDateStr=2022-12-13, revisedDate=1678723200000, revisedDateStr=2023-03-14, acceptedDate=null, acceptedDateStr=null, onlineDate=1792397657666, onlineDateStr=2026-10-19, pubDate=1683216000000, pubDateStr=2023-05-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792397657666, onlineIssueDateStr=2026-10-19, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792397657666, creator=13701087609, updateTime=1792397657666, updator=13701087609, issue=Issue{id=1318974603884606018, tenantId=1146029695717560320, journalId=1263187385517883426, year='2023', volume='51', issue='8', pageStart='1883', pageEnd='2118', issueExtLink='null', onlineDate='null', pubDate='1692460800000', pubDateStr='2023-08-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792397650929, creator='13701087609', updateTime=1792399225992, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1318981210261541260, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318974603884606018, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1318981210261541261, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318974603884606018, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=2009, endPage=2016, ext={EN=ArticleExt(id=1318974632351355462, articleId=1318974632145834565, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Feed-to-Glass Conversion and Modeling During High-Level Liquid Waste Vitrification, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

The feed-to-glass conversion within the cold cap and the mathematical modeling of the process are of great concern for the accurate simulation of the melter for vitrification of high-level liquid waste (HLLW). To figure out the feed-to-glass conversion during the HLLW vitrification, the phase transitions and structural features within the cold cap were investigated. The results show that the cold cap consists of the upper reaction layer (at 100-700 ℃) and the lower foam layer (at 700-1 000 ℃). The dehydration and nitrate decomposition occur in the reaction layer, while the continuous melt as well as the formation and dissolution of intermediate phases appear in the foam layer. The reaction layer can be simplified into a one-dimensional mass transfer model based on the mass conservation equation and experimental results. Subsequently, the kinetic equation of feed-to-glass conversion is proposed to quantitatively describe the three reaction rates of dehydration (at 100-400 ℃), and melting (at 200-300 ℃) and decomposition (at 400-700 ℃) of nitrates as functions of temperature in the reaction layer, providing some crucial parameters for melter simulation.

, authors=Dongqing XU1, 2, Luyao LI1, 2, Ziqiang JIA1, 2, Kai XU1, 2, authorsList=Dongqing XU, Luyao LI, Ziqiang JIA, Kai XU, authorCompany=null, correspAuthors=Kai XU, authorNote=

XU Dongqing (1997-), male, Master candidate. E-mail:

, correspAuthorsNote=
XU Kai (1982-), male, Ph.D., Professor. E-mail:
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高放废液玻璃配合料在冷帽层向玻璃态的转化过程及模型构建是准确仿真模拟高放废液玻璃固化熔炉的重要依据。为澄清高放废液玻璃固化过程中配合料向玻璃态的转化过程,分析了配合料在冷帽层的物相转变与结构特征。结果表明:冷帽包括上部反应层(100~700 ℃)与下部泡沫层(700~1 000 ℃),其中脱水及硝酸盐的分解集中在反应层,而连续熔体出现、中间物相生成与溶解发生在泡沫层。基于质量守恒方程和实验结果,将反应层简化为一维传质模型并建立了配合料向玻璃态转变的转化率方程,定量描述了配合料结晶水脱去(100~400 ℃)、硝酸盐熔融(200~300 ℃)和硝酸盐分解(400~700 ℃) 3大主要反应随温度变化的反应速率,为后续熔炉仿真模型提供了数值依据。

, authors=徐冬青1, 2, 李路瑶1, 2, 贾子强1, 2, 徐凯1, 2, authorsList=徐冬青, 李路瑶, 贾子强, 徐凯, authorCompany=null, correspAuthors=徐凯, authorNote=

徐冬青(1997—),男,硕士研究生。

, correspAuthorsNote=
徐凯(1982—),男,博士,研究员。
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高放废液玻璃固化中配合料的玻璃化过程与建模
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徐冬青 1, 2 , 李路瑶 1, 2 , 贾子强 1, 2 , 徐凯 1, 2
硅酸盐学报 | 研究论文 2023,51(8): 2009-2016
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硅酸盐学报 |研究论文 2023 , 51 (8) : 2009 -2016
高放废液玻璃固化中配合料的玻璃化过程与建模
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徐冬青1, 2 , 李路瑶1, 2, 贾子强1, 2, 徐凯1, 2
作者信息
  • 1.武汉理工大学硅酸盐建筑材料国家重点实验室,武汉 430070
  • 2.中国核电工程有限公司-武汉理工大学玻璃固化技术联合实验室,北京 100840
通讯作者:
徐凯(1982—),男,博士,研究员。
作者简介:

徐冬青(1997—),男,硕士研究生。

Feed-to-Glass Conversion and Modeling During High-Level Liquid Waste Vitrification
Dongqing XU1, 2 , Luyao LI1, 2, Ziqiang JIA1, 2, Kai XU1, 2
Affiliations
  • 1.State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China
  • 2.CNPE-WHUT Joint Laboratory of Nuclear Waste Vitrification Technology, Beijing 100840, China
  • Corresponding Author:
    XU Kai (1982-), male, Ph.D., Professor. E-mail:

    XU Dongqing (1997-), male, Master candidate. E-mail:

出版时间: 2023-05-05 doi: 10.14062/j.issn.0454-5648.20221080
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高放废液玻璃配合料在冷帽层向玻璃态的转化过程及模型构建是准确仿真模拟高放废液玻璃固化熔炉的重要依据。为澄清高放废液玻璃固化过程中配合料向玻璃态的转化过程,分析了配合料在冷帽层的物相转变与结构特征。结果表明:冷帽包括上部反应层(100~700 ℃)与下部泡沫层(700~1 000 ℃),其中脱水及硝酸盐的分解集中在反应层,而连续熔体出现、中间物相生成与溶解发生在泡沫层。基于质量守恒方程和实验结果,将反应层简化为一维传质模型并建立了配合料向玻璃态转变的转化率方程,定量描述了配合料结晶水脱去(100~400 ℃)、硝酸盐熔融(200~300 ℃)和硝酸盐分解(400~700 ℃) 3大主要反应随温度变化的反应速率,为后续熔炉仿真模型提供了数值依据。

高放废液  /  玻璃固化  /  配合料  /  物相转变  /  冷帽  /  转化率模型

The feed-to-glass conversion within the cold cap and the mathematical modeling of the process are of great concern for the accurate simulation of the melter for vitrification of high-level liquid waste (HLLW). To figure out the feed-to-glass conversion during the HLLW vitrification, the phase transitions and structural features within the cold cap were investigated. The results show that the cold cap consists of the upper reaction layer (at 100-700 ℃) and the lower foam layer (at 700-1 000 ℃). The dehydration and nitrate decomposition occur in the reaction layer, while the continuous melt as well as the formation and dissolution of intermediate phases appear in the foam layer. The reaction layer can be simplified into a one-dimensional mass transfer model based on the mass conservation equation and experimental results. Subsequently, the kinetic equation of feed-to-glass conversion is proposed to quantitatively describe the three reaction rates of dehydration (at 100-400 ℃), and melting (at 200-300 ℃) and decomposition (at 400-700 ℃) of nitrates as functions of temperature in the reaction layer, providing some crucial parameters for melter simulation.

high-level liquid waste  /  vitrification  /  feed  /  phase transformation  /  cold cap  /  conversion kinetics model
徐冬青, 李路瑶, 贾子强, 徐凯. 高放废液玻璃固化中配合料的玻璃化过程与建模. 硅酸盐学报, 2023 , 51 (8) : 2009 -2016 . DOI: 10.14062/j.issn.0454-5648.20221080
Dongqing XU, Luyao LI, Ziqiang JIA, Kai XU. Feed-to-Glass Conversion and Modeling During High-Level Liquid Waste Vitrification[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (8) : 2009 -2016 . DOI: 10.14062/j.issn.0454-5648.20221080
  • 国家自然科学基金(U2241290; 21876138)
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2023年第51卷第8期
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doi: 10.14062/j.issn.0454-5648.20221080
  • 接收时间:2022-12-13
  • 首发时间:2026-10-19
  • 出版时间:2023-05-05
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  • 收稿日期:2022-12-13
  • 修回日期:2023-03-14
基金
国家自然科学基金(U2241290; 21876138)
作者信息
    1.武汉理工大学硅酸盐建筑材料国家重点实验室,武汉 430070
    2.中国核电工程有限公司-武汉理工大学玻璃固化技术联合实验室,北京 100840

通讯作者:

徐凯(1982—),男,博士,研究员。
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2种不同金属材料的力学参数
科
Family
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Number of
genus
种数
Number of
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占总种数比例
Percentage of
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属
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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