Influence of the mass ratio of pulverized-coal in fuel-rich flow to that in fuel-lean flow on the gas/particle flow and particle distribution characteristics in a 600 MWe down-fired boiler

Minhang Song; Lingyan Zeng; Xiuchao Yang; Zhichao Chen; Zhengqi Li

首页> 外文期刊>Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics >Influence of the mass ratio of pulverized-coal in fuel-rich flow to that in fuel-lean flow on the gas/particle flow and particle distribution characteristics in a 600 MWe down-fired boiler

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Influence of the mass ratio of pulverized-coal in fuel-rich flow to that in fuel-lean flow on the gas/particle flow and particle distribution characteristics in a 600 MWe down-fired boiler

机译：粉煤煤中煤粉流量对燃料贫流量的影响，在600 MWE下烧锅炉中燃气/颗粒流动和颗粒分布特性的影响

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?Mass ratio of pulverized-coal in fuel-rich flow to that in fuel-lean flow (MRL).

?On increasing MRL, velocity decay of downward gas/particle flow accelerates.

?Particle volume flux in the hopper zone gradually decreases.

?Location of maximum particle volume flux gradually moves away from the hopper wall.

?An optimal MRL of 9:1 is finally recommended.

Abstract

Fuel rich/lean combustion is an important means of reducing NOx

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？燃料煤中粉煤流动的质量比，以燃料稀盈流动（MRL）。

？在增加MRL时，向下气体的速度衰减，速度衰减粒子FL. ov加速。

？漏斗区中的粒子量通量逐渐减少。

？最大粒子量通量的位置逐渐远离料斗墙壁移动。？最终推荐9：1的最佳MRL。

抽象

燃料丰富/瘦燃烧是减少NO X

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来源
《Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics》 |2018年第2018期|共11页
作者
Minhang Song; Lingyan Zeng; Xiuchao Yang; Zhichao Chen; Zhengqi Li;
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作者单位

School of Energy Science and Engineering Harbin Institute of Technology;

School of Energy Science and Engineering Harbin Institute of Technology;

School of Energy Science and Engineering Harbin Institute of Technology;

School of Energy Science and Engineering Harbin Institute of Technology;

School of Energy Science and Engineering Harbin Institute of Technology;

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原文格式 PDF
正文语种 eng
中图分类流体力学;
关键词
Down-fired boiler; Multi-injection; Multi-staging; Pulverized-coal concentration; Gas/particle flow;

机译：触发锅炉;多注射;多分数;粉煤浓度;气体/颗粒流动;

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1. Influence of the mass ratio of pulverized-coal in fuel-rich flow to that in fuel-lean flow on the gas/particle flow and particle distribution characteristics in a 600 MWe down-fired boiler [J] . Minhang Song, Lingyan Zeng, Xiuchao Yang, Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics . 2018,第期

机译：粉煤煤中煤粉流量对燃料贫流量的影响，在600 MWE下烧锅炉中燃气/颗粒流动和颗粒分布特性的影响
2. Cold experimental investigations into gas/particle flow characteristics of a low-NO _x axial swirl burner in a 600-MWe wall-fired pulverized-coal utility boiler [J] . Li Z., Zeng L., Zhao G., Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics . 2012,第Null期

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Influence of the mass ratio of pulverized-coal in fuel-rich flow to that in fuel-lean flow on the gas/particle flow and particle distribution characteristics in a 600 MWe down-fired boiler

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