化学工程2012，Vol.40Issue(11)：60-63,4.DOI:10.3969/j.issn.1005-9954.2012.11.015
水煤浆气力式静电雾化喷嘴设计及雾化流场形貌
Coal-water slurry electrostatic atomizer design and morphology of charged spray field
摘要
Abstract
An innovative three-Y-type of air-blast electrostatic spray system was designed by drawing on the existing conventional coal-water slurry (CWS) air-blast atomizer research and application results. PIV CCD camera was applied to observe the flow field morphology of the electrostatic atomization, and PDA was used to acquire the slurry flux at the vertical axis and cross section of 150 mm axis of spray field, respectively. The results show that the charged spray flow field stretches while the applied electric field is strengthened, coal-water slurry droplet aggregation level in the vicinity of the spray axis can be decreased corresponsively, which improves the dispersion of the droplets in the spray area. In addition, spray stretched angle varies from 42 to 65 degrees, and the higher charging voltage,the bigger spray angle with index law. The results can be applied to solve the poor oxygen problem of coal-water slurry combustion in the core spray.关键词
水煤浆/喷嘴/静电雾化/流场/透浆率Key words
coal-water slurry/ atomizer/ electrostatic atomization / flow field/ slurry flux分类
矿业与冶金引用本文复制引用
郑捷庆,张军,钟晓龙..水煤浆气力式静电雾化喷嘴设计及雾化流场形貌[J].化学工程,2012,40(11):60-63,4.基金项目
福建省自然科学基金资助项目(2009J01261) （2009J01261）
福建省科技厅高校专项(JK2011028) （JK2011028）
黄慧贞集美大学学科建设基金项目(ZC2010013) （ZC2010013）
集美大学博士科研启动金项目(ZQ2011001) （ZQ2011001）
