Impinging Flame Characteristics in an Opposed Multiburner Gasifier
Impinging Flame Characteristics in an Opposed Multiburner Gasifier
复制标题
对置多燃烧器气化炉中的冲击火焰特性
DOI:
10.1021/ie3027857
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发表时间:
2013-02
期刊:
影响因子:
--
通讯作者:
Guangsuo Yu
中科院分区:
文献类型:
--
作者:
Jie Zhang;Puxing Fan;Qingfeng Liang;Guangsuo Yu
On the basis of the bench-scale opposed multiburner (OMB) gasifier, industrial light field camera and high speed cameras combined with high temperature endoscopes and image processing technology are proposed and applied to study characteristics of impinging flame height including impinging height and pulsation frequency in coal–water slurry (CWS) gasification. The results show that the mean flame height and the max flame height rise with the increase of mole ratio of oxygen to carbon (O/C) while the general increase trends decrease. The restriction of refractory dome to the flow field in impinging stream recirculation region enhance with the increase of O/C. The impinging flame heights calculated by light field camera combined with axial high temperature endoscope are proved to be reliable. Flame pulsation frequency is investigated by correlation coefficients and frequency spectra calculated from lateral high temperature endoscopes of 90° and 45° optical axis-to-target angle combined with high speed camer...
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