Article(id=1221455973277945888, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1221455967863095805, articleNumber=null, orderNo=null, doi=10.19666/j.rlfd.202210253, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1665676800000, receivedDateStr=2022-10-14, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1769147397583, onlineDateStr=2026-01-23, pubDate=1677254400000, pubDateStr=2023-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769147397583, onlineIssueDateStr=2026-01-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769147397583, creator=13701087609, updateTime=1769147397583, updator=13701087609, issue=Issue{id=1221455967863095805, tenantId=1146029695717560320, journalId=1210938733613449225, year='2023', volume='52', issue='2', pageStart='1', pageEnd='161', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769147396292, creator=13701087609, updateTime=1769147501806, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1221456410462834874, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1221455967863095805, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1221456410462834875, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1221455967863095805, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=119, endPage=125, ext={EN=ArticleExt(id=1221455973542187060, articleId=1221455973277945888, tenantId=1146029695717560320, journalId=1210938733613449225, language=EN, title=Study on the effect of calcium oxide addition on generation characteristics of tar in sludge pyrolysis system coupled with molten salt energy storage, columnId=1221455970081882683, journalTitle=Thermal Power Generation, columnName=Application of thermal energy storage technology, runingTitle=null, highlight=null, articleAbstract=

A sludge pyrolysis system coupled with molten salt storage is an emerging novel thermal treatment technique for sludge disposal, which can simultaneously realize reduction and tar recovery by constructing rapid and homogeneous pyrolysis conditions. The effects of heating rate and calcium oxide (CaO) addition on the production characteristics of tar during sludge pyrolysis coupled with molten salt storage system were investigated via a high-precision optical wide heating rate pyrolysis apparatus. The results show that, the heating rate affected the tar yield at low pyrolysis temperatures. The tar yield increased by 14% at 350 ℃ when the heating rate increased from 60 ℃/min to 6 000 ℃/min. Meanwhile, the CaO addition could result in a sharp decrease in tar yield, an 39%~43% decrease could be observed with 10% CaO addition. Also, the CaO addition significantly affected the relative content of the compounds in tar, which was attributed to the fact that CaO could act as a catalyst and heat transfer retardant. The results are helpful to the pyrolysis condition regulation and high value-added tar obtain for the sludge pyrolysis system coupled with molten salt storage.

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熔盐储能耦合污泥热解是一种污泥新型热处理方法,通过构建快速、均匀的热解环境有望同步实现污泥减量处置和热解焦油回收。通过高精度宽升温速率热解实验台架模拟了熔盐储能耦合污泥热解过程高升温速率热解环境,解析了升温速率、CaO掺杂比对污泥快速热解焦油产物生成特性的影响。结果表明:升温速率在低热解温度下对污泥热解焦油产率影响较大,热解温度为350 ℃时,升温速率从60 ℃/min提升到6 000 ℃/min,焦油产率相对增加了约14%;同时,CaO的掺杂会使焦油产率大幅下降,掺杂质量分数10%的CaO会致使焦油产率下降约39%~43%;CaO掺杂比对焦油内多组分相对质量分数影响显著,这主要是由于CaO可以在热解过程中充当催化剂和传热阻滞剂。研究成果有助于熔盐储能耦合污泥热解技术热解工况调控,获取高附加值污泥热解焦油产品。

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刘帅(1986),男,高级工程师,主要研究方向为火力发电厂高效清洁燃烧与智能控制技术,

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刘帅(1986),男,高级工程师,主要研究方向为火力发电厂高效清洁燃烧与智能控制技术,

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CaO掺杂对熔盐储能耦合污泥热解焦油产物生成特性影响研究
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刘帅 1 , 陈卓 1 , 张文静 1 , 龙彦伯 1 , 左沅君 1 , 曹承阳 2 , 胡红云 2
热力发电 | 热储能技术应用 2023,52(2): 119-125
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热力发电 | 热储能技术应用 2023, 52(2): 119-125
CaO掺杂对熔盐储能耦合污泥热解焦油产物生成特性影响研究
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刘帅1 , 陈卓1, 张文静1, 龙彦伯1, 左沅君1, 曹承阳2, 胡红云2
作者信息
  • 1.高效清洁火力发电技术湖南省重点实验室(国网湖南省电力有限公司电力科学研究院),湖南 长沙 410007
  • 2.华中科技大学煤燃烧国家重点实验室,湖北 武汉 430074
  • 刘帅(1986),男,高级工程师,主要研究方向为火力发电厂高效清洁燃烧与智能控制技术,

Study on the effect of calcium oxide addition on generation characteristics of tar in sludge pyrolysis system coupled with molten salt energy storage
Shuai LIU1 , Zhuo CHEN1, Wenjing ZHANG1, Yanbo LONG1, Yuanjun ZUO1, Chengyang CAO2, Hongyun HU2
Affiliations
  • 1.Hunan Province Key Laboratory of Efficient & Clean Thermal Power Generation Technologies, State Grid Hunan Electric Power Corporation Research Institute, Changsha 410007, China
  • 2.State Key Laboratory of Coal Combustion, School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
出版时间: 2023-02-25 doi: 10.19666/j.rlfd.202210253
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熔盐储能耦合污泥热解是一种污泥新型热处理方法,通过构建快速、均匀的热解环境有望同步实现污泥减量处置和热解焦油回收。通过高精度宽升温速率热解实验台架模拟了熔盐储能耦合污泥热解过程高升温速率热解环境,解析了升温速率、CaO掺杂比对污泥快速热解焦油产物生成特性的影响。结果表明:升温速率在低热解温度下对污泥热解焦油产率影响较大,热解温度为350 ℃时,升温速率从60 ℃/min提升到6 000 ℃/min,焦油产率相对增加了约14%;同时,CaO的掺杂会使焦油产率大幅下降,掺杂质量分数10%的CaO会致使焦油产率下降约39%~43%;CaO掺杂比对焦油内多组分相对质量分数影响显著,这主要是由于CaO可以在热解过程中充当催化剂和传热阻滞剂。研究成果有助于熔盐储能耦合污泥热解技术热解工况调控,获取高附加值污泥热解焦油产品。

污泥  /  熔盐储能  /  热解  /  焦油  /  CaO

A sludge pyrolysis system coupled with molten salt storage is an emerging novel thermal treatment technique for sludge disposal, which can simultaneously realize reduction and tar recovery by constructing rapid and homogeneous pyrolysis conditions. The effects of heating rate and calcium oxide (CaO) addition on the production characteristics of tar during sludge pyrolysis coupled with molten salt storage system were investigated via a high-precision optical wide heating rate pyrolysis apparatus. The results show that, the heating rate affected the tar yield at low pyrolysis temperatures. The tar yield increased by 14% at 350 ℃ when the heating rate increased from 60 ℃/min to 6 000 ℃/min. Meanwhile, the CaO addition could result in a sharp decrease in tar yield, an 39%~43% decrease could be observed with 10% CaO addition. Also, the CaO addition significantly affected the relative content of the compounds in tar, which was attributed to the fact that CaO could act as a catalyst and heat transfer retardant. The results are helpful to the pyrolysis condition regulation and high value-added tar obtain for the sludge pyrolysis system coupled with molten salt storage.

sludge  /  molten salt energy storage  /  pyrolysis  /  tar  /  calcium oxide
刘帅, 陈卓, 张文静, 龙彦伯, 左沅君, 曹承阳, 胡红云. CaO掺杂对熔盐储能耦合污泥热解焦油产物生成特性影响研究. 热力发电, 2023 , 52 (2) : 119 -125 . DOI: 10.19666/j.rlfd.202210253
Shuai LIU, Zhuo CHEN, Wenjing ZHANG, Yanbo LONG, Yuanjun ZUO, Chengyang CAO, Hongyun HU. Study on the effect of calcium oxide addition on generation characteristics of tar in sludge pyrolysis system coupled with molten salt energy storage[J]. Thermal Power Generation, 2023 , 52 (2) : 119 -125 . DOI: 10.19666/j.rlfd.202210253
  • 湖南省自然科学基金青年基金项目(2021JJ40008)
2023年第52卷第2期
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doi: 10.19666/j.rlfd.202210253
  • 接收时间:2022-10-14
  • 首发时间:2026-01-23
  • 出版时间:2023-02-25
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  • 收稿日期:2022-10-14
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Youth Fund of Hunan Natural Science Foundation(2021JJ40008)
湖南省自然科学基金青年基金项目(2021JJ40008)
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    1.高效清洁火力发电技术湖南省重点实验室(国网湖南省电力有限公司电力科学研究院),湖南 长沙 410007
    2.华中科技大学煤燃烧国家重点实验室,湖北 武汉 430074
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2种不同金属材料的力学参数

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种数
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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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