Article(id=1198550868040712857, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1198550864987254948, articleNumber=1009-5438(2023)06-0085-04, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1696694400000, receivedDateStr=2023-10-08, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1763686394939, onlineDateStr=2025-11-21, pubDate=1703433600000, pubDateStr=2023-12-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1763686394939, onlineIssueDateStr=2025-11-21, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1763686394939, creator=13701087609, updateTime=1763686394939, updator=13701087609, issue=Issue{id=1198550864987254948, tenantId=1146029695717560320, journalId=1185652524569653253, year='2023', volume='49', issue='6', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1763686394210, creator=13701087609, updateTime=1764231183111, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1200835875295843255, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1198550864987254948, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1200835875300037560, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1198550864987254948, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=85, endPage=88, ext={EN=ArticleExt(id=1198550868309148321, articleId=1198550868040712857, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Analysis and Applications of Heat Balance of Regenerative Heating Furnace, columnId=1198550865733841063, journalTitle=Science & Technology of Baotou Steel, columnName=Special Issue for Manufacturing Dept. of Inner Mongolia Baotou Steel Union Co., Ltd., runingTitle=null, highlight=null, articleAbstract=
In this paper, it is introduced the working principle and technical parameters of regenerative heating furnace in 1# production line of Long Products Plant, analyzed the characteristics of heat input and output of regenerative heating furnace and ordinary heating furnace, obtained heat balance table and heat efficiency by calculation as well as analyzed the factors affecting heat input and output. Such measures as improving temperature of hot charging and hot delivery of billet and hot charging rate, decreasing temperature of billet out of furnace, using optimal air fuel ratio, reasonably setting commutation cycle, strengthening heat exchange effect in furnace, improving heat exchange efficiency and strictly controlling furnace pressure of regenerative heating furnace are proposed, which are with guiding significances for energy saving and consumption reducing of regenerative heating furnace.
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文章介绍了长材厂1#线蓄热式加热炉工作原理和技术参数,分析了蓄热式加热炉与普通加热炉热收入和热支出的特点,计算得出热平衡表及热效率,分析了影响各项热收入和热支出的因素。提出了提高钢坯热装热送温度及热装率、降低坯料的出炉温度、使用最优的空燃比、合理设置换向周期、强化炉内换热效果、提高蓄热体的换热效率、严格控制蓄热式加热炉的炉压等措施,对蓄热式加热炉的节能降耗工作具有指导意义。
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张庆峰(1975-),男,辽宁省黑山市人,高级技师,现从事加热炉操作、维检修管理工作。
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张庆峰(1975-),男,辽宁省黑山市人,高级技师,现从事加热炉操作、维检修管理工作。
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张庆峰(1975-),男,辽宁省黑山市人,高级技师,现从事加热炉操作、维检修管理工作。
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| 名称 | 技术参数 |
| 炉型 | 上、下加热高效蓄热式步进梁加热炉 |
| 加热钢种 | 普碳钢、合金钢、高碳钢等 |
| 钢坯入炉温度 | 常温 |
| 炉子额定产量/(t·h-1) | 120 |
| 燃料及发热量 | 高焦混合煤气,热值为10 464.5 kJ/m3 |
| 预热温度 | 空煤气双蓄热≥900 ℃ |
| 冷却方式 | 水冷 |
| 钢坯规格 | 150 mm×150 mm×12 000 mm |
| 钢坯出炉温度/℃ | 920~1 040 |
炉底钢压强度 /(kg·m-2·h-1) | 625 |
| 设计额定单耗/(GJ·t-1) | 1.18 |
| 排烟温度/℃ | ≤150 |
), ArticleFig(id=1198567065113161820, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198550868040712857, language=CN, label=表1, caption=
长材厂1#线加热炉主要技术指标
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| 名称 | 技术参数 |
| 炉型 | 上、下加热高效蓄热式步进梁加热炉 |
| 加热钢种 | 普碳钢、合金钢、高碳钢等 |
| 钢坯入炉温度 | 常温 |
| 炉子额定产量/(t·h-1) | 120 |
| 燃料及发热量 | 高焦混合煤气,热值为10 464.5 kJ/m3 |
| 预热温度 | 空煤气双蓄热≥900 ℃ |
| 冷却方式 | 水冷 |
| 钢坯规格 | 150 mm×150 mm×12 000 mm |
| 钢坯出炉温度/℃ | 920~1 040 |
炉底钢压强度 /(kg·m-2·h-1) | 625 |
| 设计额定单耗/(GJ·t-1) | 1.18 |
| 排烟温度/℃ | ≤150 |
), ArticleFig(id=1198567065230602338, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198550868040712857, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 热收入项 | 热收入/(kJ·h-1) | 占比/% | 热支出项 | 热支出/(kJ·h-1) | 占比/% |
| 燃料燃烧的化学热 | 86 869 710 | 72.00 | 出炉钢坯带出的物理热 | 68 304 934 | 56.75 |
| 燃料带入的物理热 | 8 487 758 | 7.05 | 烟气带出的物理热, | 15 939 580 | 13.24 |
| 空气带入的物理热 | 15 523 874 | 12.90 | 不完全燃烧热损失 | 3 575 865 | 2.97 |
| 钢坯带入的物理热 | 4 662 690 | 3.87 | 炉体表面散热损失 | 7 615 988 | 6.32 |
| 钢坯氧化的化学热 | 4 817 171 | 4.00 | 冷却水吸收的物理热 | 9 974 188 | 8.30 |
| | | 炉门及孔洞辐射热损失 | 480 538 | 0.40 |
| | | 炉门及孔洞逸气热损失 | 12 865 827 | 10.69 |
| | | 其他热损失 | 1 604 283 | 1.33 |
| 合计 | 120 361 203 | 100 | | 120 361 203 | 100 |
), ArticleFig(id=1198567065352237163, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198550868040712857, language=CN, label=表2, caption=
热平衡表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 热收入项 | 热收入/(kJ·h-1) | 占比/% | 热支出项 | 热支出/(kJ·h-1) | 占比/% |
| 燃料燃烧的化学热 | 86 869 710 | 72.00 | 出炉钢坯带出的物理热 | 68 304 934 | 56.75 |
| 燃料带入的物理热 | 8 487 758 | 7.05 | 烟气带出的物理热, | 15 939 580 | 13.24 |
| 空气带入的物理热 | 15 523 874 | 12.90 | 不完全燃烧热损失 | 3 575 865 | 2.97 |
| 钢坯带入的物理热 | 4 662 690 | 3.87 | 炉体表面散热损失 | 7 615 988 | 6.32 |
| 钢坯氧化的化学热 | 4 817 171 | 4.00 | 冷却水吸收的物理热 | 9 974 188 | 8.30 |
| | | 炉门及孔洞辐射热损失 | 480 538 | 0.40 |
| | | 炉门及孔洞逸气热损失 | 12 865 827 | 10.69 |
| | | 其他热损失 | 1 604 283 | 1.33 |
| 合计 | 120 361 203 | 100 | | 120 361 203 | 100 |
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