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The proportion of coking fly ash in mixed pulverized coal used in the production with rotary kiln of pellets could reach 15%, production with rotary kiln process is trouble-free and quality of pellets is stable by studying rotary kiln of pellets with coking fly ash. Moreover, the problem of environmental pollution caused by stockpiling of coking fly ash is solved, which provides a new way for effective treatment of coking fly ash. The fuel cost and production cost of pellets are effectively reduced by adding coking fly ash into mixed pulverized coal.
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通过开展球团回转窑使用焦化除尘灰研究,焦化除尘灰在球团回转窑生产使用的混合煤粉中的配比能够达到15%,回转窑工艺生产顺行,球团质量稳定。同时,解决了焦化除尘灰堆存造成的环境污染问题,为焦化除尘灰有效处理提供了新的途径。焦化除尘灰配入混合煤粉有效降低了燃料成本,降低了球团的生产成本。
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付利俊(1972-),男,内蒙古呼和浩特市人,硕士,正高级工程师,现从事炼铁生产配煤配矿工作。
, authorsList=付利俊, 何晓义, 江鑫, 解巍)}, authors=[Author(id=1188503024893837736, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049100047004644, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1188503024969335212, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049100047004644, authorId=1188503024893837736, language=EN, stringName=Li-jun Fu, firstName=Li-jun, middleName=null, lastName=Fu, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=null, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1188503025090970031, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049100047004644, authorId=1188503024893837736, language=CN, stringName=付利俊, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=null, bio={"content":"
付利俊(1972-),男,内蒙古呼和浩特市人,硕士,正高级工程师,现从事炼铁生产配煤配矿工作。
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付利俊(1972-),男,内蒙古呼和浩特市人,硕士,正高级工程师,现从事炼铁生产配煤配矿工作。
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url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=王英杰, journalName=河北冶金, refType=null, unstructuredReference=王英杰. 干熄焦除尘灰配入钒钛矿烧结的研究[J].
河北冶金,
2015(2):16-18., articleTitle=干熄焦除尘灰配入钒钛矿烧结的研究, refAbstract=null), Reference(id=1188503028928758258, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049100047004644, doi=null, pmid=null, pmcid=null, year=2015, volume=34, issue=21, pageStart=177, pageEnd=178, url=null, language=null, rfNumber=[2], rfOrder=1, authorNames=陈琳, journalName=企业技术开发, refType=null, unstructuredReference=陈琳. 浅析开辟除尘灰利用和环保的新途径[J].
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34(21):177-178., articleTitle=浅析开辟除尘灰利用和环保的新途径, refAbstract=null), Reference(id=1188503028983284211, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049100047004644, doi=null, pmid=null, pmcid=null, year=2002, volume=null, issue=3, pageStart=45, pageEnd=47, url=null, language=null, rfNumber=[3], rfOrder=2, authorNames=张燕云, 万继成, 白兆春, journalName=山东冶金, refType=null, unstructuredReference=张燕云, 万继成, 白兆春, 等. 钢铁废料在烧结生产中的研究应用[J].
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| 名称 | Ad/% | Vdaf/% | St,d/% | Fcd/% | Qnet,ar/(MJ·kg-1) | 价格/(元·t-1) |
| 焦化除尘灰 | 12.84 | 4.36 | 0.96 | 82.85 | 21.02 | 291.00 |
| 烟煤 | 7.58 | 28.75 | 0.25 | 65.85 | 26.61 | 1 020.00 |
| 无烟煤 | 10.85 | 9.50 | 0.96 | 80.68 | 23.74 | 1 682.49 |
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焦化除尘灰、烟煤和无烟煤分析结果
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| 名称 | Ad/% | Vdaf/% | St,d/% | Fcd/% | Qnet,ar/(MJ·kg-1) | 价格/(元·t-1) |
| 焦化除尘灰 | 12.84 | 4.36 | 0.96 | 82.85 | 21.02 | 291.00 |
| 烟煤 | 7.58 | 28.75 | 0.25 | 65.85 | 26.61 | 1 020.00 |
| 无烟煤 | 10.85 | 9.50 | 0.96 | 80.68 | 23.74 | 1 682.49 |
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| 名称 | 变形温度 | 半球温度 | 流动温度 |
| 焦化除尘灰 | 850 | 1 452 | 1 484 |
| 无烟煤 | 1 193 | 1 303 | 1 365 |
| 烟煤 | 1 226 | 1 275 | 1 314 |
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烟煤、无烟煤和焦化除尘灰熔融性能 ℃
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| 名称 | 变形温度 | 半球温度 | 流动温度 |
| 焦化除尘灰 | 850 | 1 452 | 1 484 |
| 无烟煤 | 1 193 | 1 303 | 1 365 |
| 烟煤 | 1 226 | 1 275 | 1 314 |
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| 方案 | 无烟煤 | 烟煤 | 焦化除尘灰 |
| 基础方案 | 70 | 30 | 0 |
| 方案1 | 70 | 20 | 10 |
| 方案2 | 50 | 15 | 35 |
| 方案3 | 60 | 10 | 30 |
| 方案4 | 70 | 0 | 30 |
| 方案5 | 40 | 10 | 50 |
), ArticleFig(id=1188503027930513894, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049100047004644, language=CN, label=表3, caption=
混合煤粉配比(质量分数) %
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| 方案 | 无烟煤 | 烟煤 | 焦化除尘灰 |
| 基础方案 | 70 | 30 | 0 |
| 方案1 | 70 | 20 | 10 |
| 方案2 | 50 | 15 | 35 |
| 方案3 | 60 | 10 | 30 |
| 方案4 | 70 | 0 | 30 |
| 方案5 | 40 | 10 | 50 |
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| 方案 | Ad/% | Vdaf/% | St,d/% | Fcd/% | Qnet,ar/(MJ·kg-1) |
| 基础方案 | 10.85 | 15.21 | 0.76 | 75.59 | 27.11 |
| 方案1 | 11.60 | 13.24 | 0.82 | 76.70 | 27.84 |
| 方案2 | 12.12 | 11.12 | 0.96 | 78.10 | 27.19 |
| 方案3 | 12.82 | 9.61 | 1.08 | 78.80 | 27.64 |
| 方案4 | 13.25 | 8.58 | 1.07 | 79.31 | 27.97 |
| 方案5 | 13.47 | 7.84 | 1.14 | 79.75 | 27.21 |
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混合煤粉分析结果
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| 方案 | Ad/% | Vdaf/% | St,d/% | Fcd/% | Qnet,ar/(MJ·kg-1) |
| 基础方案 | 10.85 | 15.21 | 0.76 | 75.59 | 27.11 |
| 方案1 | 11.60 | 13.24 | 0.82 | 76.70 | 27.84 |
| 方案2 | 12.12 | 11.12 | 0.96 | 78.10 | 27.19 |
| 方案3 | 12.82 | 9.61 | 1.08 | 78.80 | 27.64 |
| 方案4 | 13.25 | 8.58 | 1.07 | 79.31 | 27.97 |
| 方案5 | 13.47 | 7.84 | 1.14 | 79.75 | 27.21 |
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| 日期 | 指标 | 烟煤 | 无烟煤 | 焦化除尘灰 | 混合煤粉 |
| 4月12日 | 灰分 | 10.22 | 12.78 | 14.57 | 12.09 |
| 挥发分 | 29.32 | 8.01 | 6.16 | 14.28 |
| 4月13日 | 灰分 | 5.87 | 11.37 | 13.90 | 10.90 |
| 挥发分 | 27.18 | 8.68 | 5.08 | 14.93 |
| 4月14日 | 灰分 | 8.92 | 10.08 | 15.14 | 11.38 |
| 挥发分 | 31.67 | 7.41 | 7.06 | 14.25 |
| 4月15日 | 灰分 | 5.02 | 12.44 | 15.66 | 11.16 |
| 挥发分 | 21.22 | 5.42 | 2.05 | 13.13 |
| 4月16日 | 灰分 | 5.45 | 12.01 | 13.94 | 11.24 |
| 挥发分 | 28.42 | 7.24 | 3.62 | 13.82 |
| 4月17日 | 灰分 | 7.20 | 11.45 | 13.73 | 10.86 |
| 挥发分 | 31.92 | 8.33 | 4.91 | 14.11 |
), ArticleFig(id=1188503028308001258, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049100047004644, language=CN, label=表5, caption=
单种煤及混合煤粉理化指标(质量分数) %
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| 日期 | 指标 | 烟煤 | 无烟煤 | 焦化除尘灰 | 混合煤粉 |
| 4月12日 | 灰分 | 10.22 | 12.78 | 14.57 | 12.09 |
| 挥发分 | 29.32 | 8.01 | 6.16 | 14.28 |
| 4月13日 | 灰分 | 5.87 | 11.37 | 13.90 | 10.90 |
| 挥发分 | 27.18 | 8.68 | 5.08 | 14.93 |
| 4月14日 | 灰分 | 8.92 | 10.08 | 15.14 | 11.38 |
| 挥发分 | 31.67 | 7.41 | 7.06 | 14.25 |
| 4月15日 | 灰分 | 5.02 | 12.44 | 15.66 | 11.16 |
| 挥发分 | 21.22 | 5.42 | 2.05 | 13.13 |
| 4月16日 | 灰分 | 5.45 | 12.01 | 13.94 | 11.24 |
| 挥发分 | 28.42 | 7.24 | 3.62 | 13.82 |
| 4月17日 | 灰分 | 7.20 | 11.45 | 13.73 | 10.86 |
| 挥发分 | 31.92 | 8.33 | 4.91 | 14.11 |
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| 阶段 | 日期 | 烟罩温度
/℃ | 喷煤量
/(t·h-1) |
| 工业试验前 | 4月1—11日平均值 | 962 | 3.1 |
| 工业试验期间 | 4月12日 | 960 | 3.0 |
| 4月13日 | 966 | 3.1 |
| 4月14日 | 970 | 3.0 |
| 4月15日 | 960 | 3.0 |
| 4月16日 | 965 | 3.1 |
| 4月17日 | 968 | 3.0 |
), ArticleFig(id=1188503028458996204, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049100047004644, language=CN, label=表6, caption=
回转窑生产参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 阶段 | 日期 | 烟罩温度
/℃ | 喷煤量
/(t·h-1) |
| 工业试验前 | 4月1—11日平均值 | 962 | 3.1 |
| 工业试验期间 | 4月12日 | 960 | 3.0 |
| 4月13日 | 966 | 3.1 |
| 4月14日 | 970 | 3.0 |
| 4月15日 | 960 | 3.0 |
| 4月16日 | 965 | 3.1 |
| 4月17日 | 968 | 3.0 |
), ArticleFig(id=1188503028521910765, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049100047004644, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 阶段 | 化学成分(质量分数)/% | | 性能 |
| TFe | FeO | CaO | SiO2 | MgO | S | K2O+Na2O | ZnO | 转鼓指数
(+6.3 mm)/% | 抗压强度
/N |
| 工业试验期间 | 62.24 | 1.18 | 1.43 | 4.85 | 1.21 | 0.003 | 0.267 | 0.045 | | 94.84 | 2 591 |
| 工业试验前 | 61.99 | 0.96 | 1.43 | 4.95 | 1.27 | 0.004 | 0.250 | 0.051 | | 94.70 | 2 568 |
| 对比 | 0.25 | 0.22 | -0.0 | -0.1 | -0.06 | -0.001 | 0.017 | -0.01 | | 0.14 | 23 |
), ArticleFig(id=1188503028580631022, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049100047004644, language=CN, label=表7, caption=
工业试验前和试验期间的球团质量对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 阶段 | 化学成分(质量分数)/% | | 性能 |
| TFe | FeO | CaO | SiO2 | MgO | S | K2O+Na2O | ZnO | 转鼓指数
(+6.3 mm)/% | 抗压强度
/N |
| 工业试验期间 | 62.24 | 1.18 | 1.43 | 4.85 | 1.21 | 0.003 | 0.267 | 0.045 | | 94.84 | 2 591 |
| 工业试验前 | 61.99 | 0.96 | 1.43 | 4.95 | 1.27 | 0.004 | 0.250 | 0.051 | | 94.70 | 2 568 |
| 对比 | 0.25 | 0.22 | -0.0 | -0.1 | -0.06 | -0.001 | 0.017 | -0.01 | | 0.14 | 23 |
), ArticleFig(id=1188503028635156975, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049100047004644, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 无烟煤/% | 烟煤/% | 焦化除尘灰/% | 混合煤粉成本/(元·t-1) | 折算球团成本/(元·t-1) |
| 工业试验前 | 80 | 20 | 0 | 1 549.99 | 43.24 |
| 工业试验期间 | 50 | 35 | 15 | 1 241.90 | 34.65 |
), ArticleFig(id=1188503028714848752, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049100047004644, language=CN, label=表8, caption=
工业试验前和工业试验期间的球团成本对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 无烟煤/% | 烟煤/% | 焦化除尘灰/% | 混合煤粉成本/(元·t-1) | 折算球团成本/(元·t-1) |
| 工业试验前 | 80 | 20 | 0 | 1 549.99 | 43.24 |
| 工业试验期间 | 50 | 35 | 15 | 1 241.90 | 34.65 |
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