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Distribution of Mercury in the Combustion Products of Coal Dust in Boilers with Liquid Slag Removal

机译：去除液体渣的锅炉煤粉燃烧产物中汞的分布

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摘要

The efficiency of trapping of solid particles and mercury compounds in the operation of wet centrifugal scrubbers with a closed-cycle water spray system at a thermal power plant was evaluated. Procedures were proposed for the monitoring of mercury at all of the steps of a process cycle. A balance on mercury in the combustion of coal dust in a TP-87 boiler was calculated. It was found that at least a half of mercury that entered in the firebox of boiler with coal was released as Hg~0 vapor with flue gases into the atmosphere. It was demonstrated that the introduction of chemical oxidizing agents into scrubber spray water dramatically increased the efficiency of mercury trapping from flue gases.
机译：评估了在火力发电厂使用闭环喷水系统的湿式离心洗涤器运行中捕集固体颗粒和汞化合物的效率。提出了在过程周期的所有步骤中监测汞的程序。计算了TP-87锅炉中煤粉燃烧中汞的平衡。结果发现，至少有一半与煤一起进入锅炉燃烧室的汞以Hg〜0蒸气的形式随烟道气释放到大气中。事实证明，将化学氧化剂引入洗涤塔喷雾水中可大大提高从烟道气捕集汞的效率。

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  • 来源
    《Solid Fuel Chemistry》 |2010年第1期|p.50-55|共6页
  • 作者

    S. P. Kolesnikov; T. Ya. Rubinskaya; E. D. Streltsova; M. Yu. Leonova; I. K. Korshevets; A. M. Zykov; S. N. Anichkov;

  • 作者单位

    Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninskii pr. 47, Moscow, 119991 Russia;

    rnZelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninskii pr. 47, Moscow, 119991 Russia;

    rnZelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninskii pr. 47, Moscow, 119991 Russia;

    rnZelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninskii pr. 47, Moscow, 119991 Russia;

    rnZelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninskii pr. 47, Moscow, 119991 Russia;

    rnAll-Russia Heat Engineering Institute, Moscow, Russia;

    All-Russia Heat Engineering Institute, Moscow, Russia;

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