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工业、生活污泥与煤混合燃烧的灰熔特性研究

殷立宝 邓昌亚 张成 方庆艳 徐齐胜 陈刚

殷立宝, 邓昌亚, 张成, 方庆艳, 徐齐胜, 陈刚. 工业、生活污泥与煤混合燃烧的灰熔特性研究[J]. 燃料化学学报(中英文), 2014, 42(09): 1068-1076.
引用本文: 殷立宝, 邓昌亚, 张成, 方庆艳, 徐齐胜, 陈刚. 工业、生活污泥与煤混合燃烧的灰熔特性研究[J]. 燃料化学学报(中英文), 2014, 42(09): 1068-1076.
YIN Li-bao, DENG Chang-ya, ZHANG Cheng, FANG Qing-yan, XU Qi-sheng, CHEN Gang. Fusion characteristics in co-combustion of coal with industrial and municipal sludge[J]. Journal of Fuel Chemistry and Technology, 2014, 42(09): 1068-1076.
Citation: YIN Li-bao, DENG Chang-ya, ZHANG Cheng, FANG Qing-yan, XU Qi-sheng, CHEN Gang. Fusion characteristics in co-combustion of coal with industrial and municipal sludge[J]. Journal of Fuel Chemistry and Technology, 2014, 42(09): 1068-1076.

工业、生活污泥与煤混合燃烧的灰熔特性研究

基金项目: 国家自然科学基金(51006042);广东省省部产学研重点项目(2012B091000166);华中科技大学自主创新基金(2013QN082)。
详细信息
    通讯作者:

    张成,E-mail:chengzhang@mail.hust.edu.cn;Tel:027-87542417-8301;Fax:027-87545526。

  • 中图分类号: TK224

Fusion characteristics in co-combustion of coal with industrial and municipal sludge

  • 摘要: 针对煤粉锅炉掺烧污泥后污泥对混合燃料灰熔特性的影响行为,利用矿物三元相图、XRD等分析手段,研究了不同特性污泥(生活污泥、工业污泥)与煤掺混燃烧过程中不同矿物组分的相互作用机制及灰渣的灰熔融特性变化特征。结果表明,三元相图能够有效预测煤和污泥掺混后灰熔融温度的变化趋势;低含量的氧化铁形成低温共熔体以及透辉石、钙长石会降低煤和污泥混合后的灰熔融温度;而钙镁橄榄石、莫来石和单体形式存在的氧化铁能提高煤和污泥混合后的灰熔融温度。工业污泥中的高硫组分在混烧过程中易形成硫酸盐的低温共融体。生活污泥中磷对灰熔点的影响与氧化铝及碱金属的比例有关,当氧化铝的含量占主要成分时,磷的存在趋向于降低灰熔点,而当碱金属占主要成分时,磷的存在趋向于提高灰熔点。
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出版历程
  • 收稿日期:  2014-04-30
  • 修回日期:  2014-07-05
  • 刊出日期:  2014-09-30

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