Radiotracer measurement of local deposition profiles, friction reentrainment, and impaction reentrainment in an electrostatic precipitator
Radiotracer measurement of local deposition profiles, friction reentrainment, and impaction reentrainment in an electrostatic precipitator
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静电除尘器中局部沉积剖面、摩擦再夹带和撞击再夹带的放射性示踪剂测量
DOI：
10.1002/aic.690310109
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发表时间：
1985
期刊：
影响因子：
3.7
通讯作者：
E. Arce
中科院分区：
文献类型：
--
作者：
R. Felder;E. Arce
一个放射性示踪剂为基础的方法，测量局部粒子的沉积分布和再夹带率在静电除尘器已开发和演示。在中试规模的除尘器上进行的测试中，观察到的差异，在当地的沉积配置文件，并没有一个预沉积层的灰尘在板上。由于气体摩擦（气动阻力）和颗粒的冲击板上的再夹带率分别进行了测量，并与半经验公式。摩擦和冲击的再夹带率被认为是不同的权力之间的差异的气体速度和最小速度所需的再夹带。结果表明，冲击再夹带随入口粉尘负荷的增大而变化。
A radiotracer-based method of measuring local particle deposition profiles and reentrainment rates in an electrostatic precipitator has been developed and demonstrated. In tests performed on a pilot-scale precipitator, differences in local deposition profiles obtained with and without a predeposited layer of dust on the plate were observed. Rates of reentrainment due to gas friction (aerodynamic drag) and to particle impaction on the plate were measured separately, and correlated with a semiempirical formula. Both friction and impaction reentrainment rates were found to vary as powers of the difference between the gas velocity and a minimum velocity required for reentrainment. The impaction reentrainment was found to vary as a power of the inlet dust loading.