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电弧炉粉尘在水泥混凝土领域的研究与应用进展
Research and Application Progress of Electric Arc Furnace Dust in the Field of Cement Concrete
2022年第5期
固体废物;电弧炉粉尘(EAFD);水泥;混凝土;作用机理
Solid waste; Electric arc furnace dust(EAFD); Cement; Concrete; Action mechanism
2022年第5期
10.19761/j.1000-4637.2022.05.100.05
中国建筑材料科学研究总院青年科学基金项目(YD-664)。
岳汉威,王 清
中国建筑材料科学研究总院 中国国检测试控股集团股份有限公司,北京100024

岳汉威,王 清

岳汉威,王清.电弧炉粉尘在水泥混凝土领域的研究与应用进展[J].混凝土与水泥制品,2022(5):100-104.

YUE H W,WANG Q.Research and Application Progress of Electric Arc Furnace Dust in the Field of Cement Concrete[J].China Concrete and Cement Products,2022(5):100-104.

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摘   要:电弧炉粉尘(EAFD)是电弧炉炼钢过程中产生的固体废物,采用水泥对EAFD进行吸收和消耗是理想的处理办法之一。介绍了EAFD的形成过程和化学组成,分析了EAFD在水泥混凝土中的作用机理,综述了EAFD在水泥混凝土领域的研究与应用进展,提出了目前研究中存在的问题,展望了水泥混凝土用EAFD未来的研究方向。 Abstract: Electric arc furnace dust (EAFD) is a solid waste generated in the electric arc furnace steelmaking process. Absorption and consumption of EAFD by cement is one of the alternative treatment methods. The formation process and chemical composition of EAFD are introduced. The mechanism of action of EAFD in cement concrete is analyzed. The research and application progress of EAFD in the field of cement concrete are reviewed. The problems existing in the current research are put forward. The future research direction of EAFD for cement concrete is prospected.
英文名 : Research and Application Progress of Electric Arc Furnace Dust in the Field of Cement Concrete
刊期 : 2022年第5期
关键词 : 固体废物;电弧炉粉尘(EAFD);水泥;混凝土;作用机理
Key words : Solid waste; Electric arc furnace dust(EAFD); Cement; Concrete; Action mechanism
刊期 : 2022年第5期
DOI : 10.19761/j.1000-4637.2022.05.100.05
文章编号 :
基金项目 : 中国建筑材料科学研究总院青年科学基金项目(YD-664)。
作者 : 岳汉威,王 清
单位 : 中国建筑材料科学研究总院 中国国检测试控股集团股份有限公司,北京100024

岳汉威,王 清

岳汉威,王清.电弧炉粉尘在水泥混凝土领域的研究与应用进展[J].混凝土与水泥制品,2022(5):100-104.

YUE H W,WANG Q.Research and Application Progress of Electric Arc Furnace Dust in the Field of Cement Concrete[J].China Concrete and Cement Products,2022(5):100-104.

摘要
参数
结论
参考文献
引用本文

摘   要:电弧炉粉尘(EAFD)是电弧炉炼钢过程中产生的固体废物,采用水泥对EAFD进行吸收和消耗是理想的处理办法之一。介绍了EAFD的形成过程和化学组成,分析了EAFD在水泥混凝土中的作用机理,综述了EAFD在水泥混凝土领域的研究与应用进展,提出了目前研究中存在的问题,展望了水泥混凝土用EAFD未来的研究方向。

Abstract: Electric arc furnace dust (EAFD) is a solid waste generated in the electric arc furnace steelmaking process. Absorption and consumption of EAFD by cement is one of the alternative treatment methods. The formation process and chemical composition of EAFD are introduced. The mechanism of action of EAFD in cement concrete is analyzed. The research and application progress of EAFD in the field of cement concrete are reviewed. The problems existing in the current research are put forward. The future research direction of EAFD for cement concrete is prospected.

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(1)EAFD的消耗和处理已经成为世界性难题,有价金属的二次回收能够解决高回收价值EAFD的处理问题,但是无法处理回收价值偏低的EAFD。鉴于水泥混凝土在工业固废处理领域的贡献,可将有价金属含量低的EAFD应用于水泥混凝土领域。
(2)EAFD中的ZnO对水泥具有明显的缓凝效果,但EAFD中的其他成分是否对水泥水化有影响还需进行深入研究。
(3)EAFD中的重金属是EAFD在水泥混凝土领域应用时需要重点考虑的问题之一。已有研究表明,控制好EAFD中Pb的含量,水泥可以对其他有害金属进行有效地固化。因此,根据EAFD中有价金属的含量,合理选择EAFD的回收处理方式非常必要。
(4)适量的EAFD对水泥混凝土具有缓凝、降低水化热、提升力学性能等优点。需要注意的是:①与粉煤灰、矿渣等材料相比,EAFD的属地化特征明显,其成分受原料和工艺的影响较大,故不同地区的EAFD对水泥混凝土性能的影响效果是否一致还需要进行深入的评价研究;②实际应用时,应根据EFAD中的ZnO含量合理考虑其回收利用方式。

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岳汉威,王清.电弧炉粉尘在水泥混凝土领域的研究与应用进展[J].混凝土与水泥制品,2022(5):100-104.

YUE H W,WANG Q.Research and Application Progress of Electric Arc Furnace Dust in the Field of Cement Concrete[J].China Concrete and Cement Products,2022(5):100-104.

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