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首页> 外文期刊>Thermal engineering >Development of the Technology of Using Mechanically Activated Microgrinded Coals for Firing and Lighting of Coal Boilers of Acting Thermal Power Stations
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Development of the Technology of Using Mechanically Activated Microgrinded Coals for Firing and Lighting of Coal Boilers of Acting Thermal Power Stations

机译：机械活化微粉煤用于代理火力发电厂燃煤锅炉点火的技术发展

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摘要

A new technology of using the microgrinded coals in power boilers as well as the results of experimental studies and numerical modeling of microgrinding processes, preparing the air-dust mixture, and combustion of mechanically activated coals are presented. Pilot combustion of microgrinded coals on a firing stand with a power of 5 MW using disintegrator mills showed the possibility of reaching the stable autothermal combustion mode for coals with various degrees of metamorphism. Using mathematical modeling, the design solution for a two-step burner, which provides a stable high level of temperatures of the air-dust mixture at the output from the second step as well as makes it possible to minimize the cost for the production of mechanically activated coal, is suggested. These results indicate the possibility to develop burners intended for using mechanically activated coal, involving the replacement of the highly reactive liquid fuel used for firing the combustion chambers.
机译：提出了一种在动力锅炉中使用微粉煤的新技术，以及微粉磨过程的实验研究和数值模拟，制备空气粉尘混合物以及机械活化煤燃烧的新技术。使用粉碎机在功率为5 MW的燃烧台上对微粉碎的煤进行先导燃烧，显示出可能对各种变质程度的煤达到稳定的自热燃烧模式。使用数学建模，这是一种用于两步燃烧器的设计解决方案，该解决方案可在第二步的输出处提供稳定的高水平的粉尘混合物温度，并可以最大程度地降低机械生产的成本建议使用活性炭。这些结果表明开发用于使用机械活化煤的燃烧器的可能性，包括更换用于燃烧室的高反应性液体燃料。

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  • 来源
    《Thermal engineering》 |2013年第12期|889-894|共6页
  • 作者

    A. P. Burdukov; V. I. Popov; G. V. Chernova; M. Yu. Chernetskiy; A. A. Dekterev; N. S. Chernetskaya; V. M. Markova; V. N. Churashev; T. S. Yusupov;

  • 作者单位

    Kutateladze Institute of Thermal Physics, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent'eva 1, Novosibirsk, 630090 Russia;

    Kutateladze Institute of Thermal Physics, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent'eva 1, Novosibirsk, 630090 Russia;

    Institute of Economics and Organization of Industrial Production, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent'eva 17, Novosibirsk, 630090 Russia;

    Kutateladze Institute of Thermal Physics, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent'eva 1, Novosibirsk, 630090 Russia,Institute of Economics and Organization of Industrial Production, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent'eva 17, Novosibirsk, 630090 Russia;

    Kutateladze Institute of Thermal Physics, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent'eva 1, Novosibirsk, 630090 Russia,Institute of Economics and Organization of Industrial Production, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent'eva 17, Novosibirsk, 630090 Russia;

    Institute of Economics and Organization of Industrial Production, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent'eva 17, Novosibirsk, 630090 Russia;

    Siberian Federal University, ul. Kirenskogo 26, Krasnoyarsk, 660074 Russia;

    Siberian Federal University, ul. Kirenskogo 26, Krasnoyarsk, 660074 Russia;

    Institute of Geology and Mineralogy, Siberian Branch, Russian Academy of Sciences, pr. Akademika Koptuyga 3, Novosibirsk, 630090 Russia;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    autothermal combustion mode; pulverized coal fuel; mechanical activation; numerical modeling;

    机译：自热燃烧模式煤粉燃料机械激活;数值模拟;

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