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首页> 外文期刊>Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics >The fluidized bed combustion of a heavy liquid fuel
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The fluidized bed combustion of a heavy liquid fuel

机译：重质液体燃料的流化床燃烧

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摘要

Fluidized bed combustion as a flexible facility has been applied to burn liquid fuel. In the present work, a heavy oil (mazut) has been successfully dispersed and efficiently burnt with in situ desulfurization in a fluidized bed combustor. An atmospheric bubbling fluidized bed combustor of 300-mm inner diameter has been used. The liquid fuel has been injected into the bed using a multi-nozzle pneumatic injector. Measurements have been carried out under steady state operation. Results of experiments indicated that the in-bed combustion of fuel has been enhanced with increasing bed temperature, bed height, excess air and mass flow rate of dispersing air. Fortunately, the later trends improved both combustion efficiency and sulfur retention. High combustion efficiency has been obtained up to 99.7%. Sulfur retention up to 90% has been achieved by adding limestone particles. On the other hand, NO, has been slightly promoted with increasing the mentioned operating parameters, however, the obtained NO, emission was usually < 130 ppm. (C) 2002 Elsevier Science Inc. All rights reserved. [References: 14]
机译：流化床燃烧作为一种灵活的设备已被应用于燃烧液体燃料。在目前的工作中，重油（麦芽糖）已经成功地分散并在流化床燃烧器中通过原位脱硫有效燃烧。已经使用内径为300mm的常压鼓泡流化床燃烧器。液体燃料已使用多喷嘴气动喷射器喷射到床中。测量是在稳态操作下进行的。实验结果表明，随着床温，床高，过量空气和分散空气质量流量的增加，燃料在床内燃烧得到了增强。幸运的是，后来的趋势改善了燃烧效率和硫保留。已经获得高达99.7％的高燃烧效率。通过添加石灰石颗粒，硫的保留率高达90％。另一方面，随着上述操作参数的增加，NO略有提高，但是，获得的NO排放通常<130 ppm。 （C）2002 Elsevier Science Inc.保留所有权利。 [参考：14]

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