Research on Ash Removal for the Water Wall Of Coal Gasifier under Impact Loadings

摘要：

　　Vibration responses of the water wall of coal gasifier under impact loads were investigated.The influences of different diameters of water walls and impact loads on the effectiveness of ash removal were further considered.The results showed that the peak acceleration along the axial direction of the water wall is greater than 80% of the peak acceleration at the impact point when rapping devices are installed at the 1/4, 1/2 and 3/4 heights.Moreover, rapping devices should be staggered 30 degree in the hoop direction at different heights to avoid the dead zone of ash removal.Furthermore, vibration accelerations increase with increasing the diameter of water wall, while the impact time should be as short as possible for higher efficiency of ash removal.

关键词： Gasifier Impact Ash Removal Fatigue Strength

作者: Xiaotao Zheng Jing Jing Jiuyang YU Chenggang Wang Jianmin Xu

作者单位: School of Mechanical Engineering,Wuhan Institute of Technology,693 Xiongchu Avenue,Wuhan 430073,Hubei,P.R.China

会议类型: 国际会议

会议名称: the 2012 International Conference on Vibration, Structural Engineering and Measurement (2012年振动、结构工程与测量国际会议(ICVSEM2012))

会议地点: 上海

会议语种:英文

页码: 227-231

在线出版日期: 2012-10-19（万方平台首次上网日期，不代表论文的发表时间）