【摘 要】
：
Basing on some researchers'experimental results, the droplet impinging wall model was modified,and We Number and K Number were adopted to determine the mode of
【机 构】
：
Combustion Engineering Research Institute,Wuzhou Engineering Design and Research Institute
【基金项目】
：
国家高技术研究发展计划(863计划);the Key Projects in the National Science & Technology Pillar Program during the Eleventh Five-Year Plan Period
论文部分内容阅读
Basing on some researchers'experimental results, the droplet impinging wall model was modified,and We Number and K Number were adopted to determine the mode of droplet impinging wall.The simulation resuits indicated that the mode of impinging droplet is sticking on the wall in Muti-spout bed.The droplet impinging wall model modified can describe the droplet impinging wall phenomenon accurately in the multistage spouted fluidized flue gas desulfurization reactor.Basing on the study above, the distributions of temperature and relative humidity in the reactor were attained.In atomization region, the distribution of temperature exhibits "M" shape.The relative humidity exhibits "W" shape.The mass concentration of droplet reduces along axis of the reactor.Due to the multi-spouted configuration, droplet concentration increases obviously in the intersection region between the 1st and 2nd stage reaction region.The evaporating intensity reaches its peak value in the ar-ea of 200 mm away from the sprayer, and droplets'are completely evaporated at 1500 mm.
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