化工进展Issue(10)：3809-3813,5.DOI:10.16085/j.issn.1000-6613.2015.10.045
超声波频率对除垢范围及除垢效率的影响
Effects of ultrasonic frequency on descaling scope and descaling efficiency
摘要
Abstract
Fouling has become a problem in many industries and ultrasound technology has been widely used for descaling,which is affected by many factors. In order to study the influences of ultrasonic frequency on descaling performances,three ultrasonic frequencies of 20kHz,28kHz,40kHz were employed in the descaling experiments,and the results were compared and analyzed using MATLAB. The results showed that different ultrasonic frequencies had different the descaling effects. At the same frequency,the highest descaling efficiency occurred in the vertical center of the ultrasound transducer, and the descaling efficiency decreased gradually with the angle diverging to both sides. The descaling efficiency increased with increasing of ultrasonic frequency. The efficiency reached up to 91.11% at the frequency of 40kHz. As the ultrasonic frequency increased, effective descaling scope gradually narrowed down and focused on the area perpendicular to the transducer center. Descaling scope was highest at the frequency of 20kHz. This research provided references for reasonable selection of ultrasonic frequency for descaling in the actual projects.关键词
结垢/超声波频率/除垢/模拟/分布Key words
fouling/ultrasonic frequency/descaling/simulation/distributions分类
能源科技引用本文复制引用
傅俊萍,石沛,何叶从,张玉珍,刘琦,梁昌胜..超声波频率对除垢范围及除垢效率的影响[J].化工进展,2015,(10):3809-3813,5.基金项目
国家自然科学基金（51406015）及湖南省科技厅项目（2013NK3003）。 （）
