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Ash fusibility and compositional data of solid recovered fuels

机译：固体回收燃料的灰烬易熔性和组成数据

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摘要

Several approaches are established to analyse the fouling and slagging propensities of coal ashes, but the same cannot be said of solid recovered fuel (SRF) ashes. This work has been conducted by using some fouling and slagging indicators, which are commonly applicable to coal ashes, on SRF ashes to ascertain their applicability.rnIn this work, laboratory prepared ashes derived from municipal solid waste (MSW), sewage sludge, demolition wood, shredded rubber tyres, and plastic/paper fluff are analysed for their fusibility leading to fouling and slagging using three approaches; the ash fusibility temperatures (AFT), ternary phase diagrams, and fouling/slagging indices. The results from each approach are examined to determine the inclination of the ashes toward fouling and slagging. A subsequent inter-comparison of the methods was conducted to validate the methods which are in agreement and are applicable to SRF ashes. The study showed that ternary equilibrium phase diagram SiO_2-CaO-Al_2O_3, various fouling and slagging indices, and AFT can be used to complement each other to predict ash fusion properties, fouling and slagging propensities of SRF ashes.
机译：建立了几种方法来分析煤灰的结垢和结渣倾向，但对于固体回收燃料（SRF）灰则不能说相同。这项工作是通过在SRF灰上使用一些通常适用于煤灰的结垢和结渣指标来确定其适用性来进行的。rn本项工作中，实验室制备了源自城市固体废物（MSW），污水污泥，拆除木材的灰，切碎的橡胶轮胎和塑料/纸绒毛的易熔性使用三种方法进行了分析，从而导致结垢和结渣。灰熔点温度（AFT），三元相图和结垢/结渣指数。检查每种方法的结果，以确定灰分对结垢和结渣的倾向。随后对这些方法进行了比较，以验证方法一致且适用于SRF骨灰。研究表明，三元平衡相图SiO_2-CaO-Al_2O_3，各种结垢和结渣指数以及AFT可以相互补充，以预测SRF灰烬的熔灰特性，结垢和结渣倾向。

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  • 来源
    《Fuel》 |2010年第7期|p.1534-1540|共7页
  • 作者

    Gregory Dunnu; Joerg Maier; Guenter Scheffknecht;

  • 作者单位

    Institute of Process Engineering and Power Plant Technology, University of Stuttgart, Pfaffenwaldring 23, D-70569 Stuttgart, Germany;

    rnInstitute of Process Engineering and Power Plant Technology, University of Stuttgart, Pfaffenwaldring 23, D-70569 Stuttgart, Germany;

    rnInstitute of Process Engineering and Power Plant Technology, University of Stuttgart, Pfaffenwaldring 23, D-70569 Stuttgart, Germany;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    solid recovered fuels; ash fusibility; ash fusion temperatures; fouling indices; slagging indices;

    机译：固体回收燃料;灰易熔性灰熔融温度;结垢指数;结渣指数;

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